Merge from layout management branch.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@18649 a95241bf-73f2-0310-859d-f6bbb57e9c96

build/jam/HaikuImage

@@ -38,7 +38,7 @@ BEOS_BIN = addattr alert basename beep cat catattr chgrp chmod chop chown clear
 BEOS_APPS = Terminal Expander People ShowImage Clock Pulse ProcessController
 	Playground SoundRecorder BitmapDrawing Magnify DiskProbe AboutHaiku
 	StyledEdit Installer Chart Workspaces $(X86_ONLY)Cortex $(X86_ONLY)CortexAddOnHost $(X86_ONLY)GLTeapot
-	MediaPlayer DeskCalc MidiPlayer
+	MediaPlayer DeskCalc MidiPlayer Icon-O-Matic
 ;
 BEOS_PREFERENCES = Backgrounds DataTranslations FileTypes Fonts Media Menu
 	Mouse Keyboard Keymap Screen ScreenSaver Sounds Time VirtualMemory
@@ -47,7 +47,7 @@ BEOS_SYSTEM_LIB = libbe.so $(HAIKU_LIBSTDC++) libmedia.so libtracker.so
 	libtranslation.so libnetwork.so libdebug.so libbsd.so
 	libtextencoding.so libz.so libfreetype.so libpng.so libmidi.so libmidi2.so
 	libdevice.so libgame.so libscreensaver.so libroot.so $(X86_ONLY)libGL.so
-	libfluidsynth.so
+	libfluidsynth.so libqoca.so
 ;
 BEOS_SYSTEM_SERVERS = registrar debug_server syslog_daemon media_server
 	media_addon_server input_server app_server fake_app_server midi_server

headers/build/HaikuBuildCompatibility.h

@@ -27,10 +27,16 @@ typedef unsigned long haiku_build_addr_t;
 #	define B_CURRENT_TEAM	0
 #endif
 
+
+#ifndef SYMLOOP_MAX
+#	define SYMLOOP_MAX	(16)
+#endif
+
 #ifndef B_FIRST_REAL_TIME_PRIORITY
 #	define B_FIRST_REAL_TIME_PRIORITY B_REAL_TIME_DISPLAY_PRIORITY
 #endif
 
+
 #ifdef __cplusplus
 extern "C" {
 #endif

headers/libs/expat/expat_config.h

@@ -0,0 +1,93 @@
+/* expat_config.h.  Generated by configure.  */
+/* expat_config.h.in.  Generated from configure.in by autoheader.  */
+
+/* 1234 = LIL_ENDIAN, 4321 = BIGENDIAN */
+#define BYTEORDER 1234
+
+/* Define to 1 if you have the `bcopy' function. */
+#define HAVE_BCOPY 1
+
+/* Define to 1 if you have the <check.h> header file. */
+/* #undef HAVE_CHECK_H */
+
+/* Define to 1 if you have the <dlfcn.h> header file. */
+/* #undef HAVE_DLFCN_H */
+
+/* Define to 1 if you have the <fcntl.h> header file. */
+#define HAVE_FCNTL_H 1
+
+/* Define to 1 if you have the `getpagesize' function. */
+/* #undef HAVE_GETPAGESIZE */
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#define HAVE_INTTYPES_H 1
+
+/* Define to 1 if you have the `memmove' function. */
+#define HAVE_MEMMOVE 1
+
+/* Define to 1 if you have the <memory.h> header file. */
+#define HAVE_MEMORY_H 1
+
+/* Define to 1 if you have a working `mmap' system call. */
+/* #undef HAVE_MMAP */
+
+/* Define to 1 if you have the <stdint.h> header file. */
+/* #undef HAVE_STDINT_H */
+
+/* Define to 1 if you have the <stdlib.h> header file. */
+#define HAVE_STDLIB_H 1
+
+/* Define to 1 if you have the <strings.h> header file. */
+#define HAVE_STRINGS_H 1
+
+/* Define to 1 if you have the <string.h> header file. */
+#define HAVE_STRING_H 1
+
+/* Define to 1 if you have the <sys/stat.h> header file. */
+#define HAVE_SYS_STAT_H 1
+
+/* Define to 1 if you have the <sys/types.h> header file. */
+#define HAVE_SYS_TYPES_H 1
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#define HAVE_UNISTD_H 1
+
+/* Define to the address where bug reports for this package should be sent. */
+#define PACKAGE_BUGREPORT "[email protected]"
+
+/* Define to the full name of this package. */
+#define PACKAGE_NAME "expat"
+
+/* Define to the full name and version of this package. */
+#define PACKAGE_STRING "expat 1.95.8"
+
+/* Define to the one symbol short name of this package. */
+#define PACKAGE_TARNAME "expat"
+
+/* Define to the version of this package. */
+#define PACKAGE_VERSION "1.95.8"
+
+/* Define to 1 if you have the ANSI C header files. */
+#define STDC_HEADERS 1
+
+/* whether byteorder is bigendian */
+/* #undef WORDS_BIGENDIAN */
+
+/* Define to specify how much context to retain around the current parse
+   point. */
+#define XML_CONTEXT_BYTES 1024
+
+/* Define to make parameter entity parsing functionality available. */
+#define XML_DTD 1
+
+/* Define to make XML Namespaces functionality available. */
+#define XML_NS 1
+
+/* Define to empty if `const' does not conform to ANSI C. */
+/* #undef const */
+
+/* Define to `long' if <sys/types.h> does not define. */
+/* #undef off_t */
+
+/* Define to `unsigned' if <sys/types.h> does not define. */
+/* #undef size_t */

headers/libs/expat/expat_external.h

@@ -0,0 +1,92 @@
+/* Copyright (c) 1998, 1999, 2000 Thai Open Source Software Center Ltd
+   See the file COPYING for copying permission.
+*/
+
+/* External API definitions */
+
+#if defined(_MSC_EXTENSIONS) && !defined(__BEOS__) && !defined(__CYGWIN__)
+#define XML_USE_MSC_EXTENSIONS 1
+#endif
+
+/* Expat tries very hard to make the API boundary very specifically
+   defined.  There are two macros defined to control this boundary;
+   each of these can be defined before including this header to
+   achieve some different behavior, but doing so it not recommended or
+   tested frequently.
+
+   XMLCALL    - The calling convention to use for all calls across the
+                "library boundary."  This will default to cdecl, and
+                try really hard to tell the compiler that's what we
+                want.
+
+   XMLIMPORT  - Whatever magic is needed to note that a function is
+                to be imported from a dynamically loaded library
+                (.dll, .so, or .sl, depending on your platform).
+
+   The XMLCALL macro was added in Expat 1.95.7.  The only one which is
+   expected to be directly useful in client code is XMLCALL.
+
+   Note that on at least some Unix versions, the Expat library must be
+   compiled with the cdecl calling convention as the default since
+   system headers may assume the cdecl convention.
+*/
+#ifndef XMLCALL
+#if defined(XML_USE_MSC_EXTENSIONS)
+#define XMLCALL __cdecl
+#elif defined(__GNUC__) && defined(__i386)
+#define XMLCALL __attribute__((cdecl))
+#else
+/* For any platform which uses this definition and supports more than
+   one calling convention, we need to extend this definition to
+   declare the convention used on that platform, if it's possible to
+   do so.
+
+   If this is the case for your platform, please file a bug report
+   with information on how to identify your platform via the C
+   pre-processor and how to specify the same calling convention as the
+   platform's malloc() implementation.
+*/
+#define XMLCALL
+#endif
+#endif  /* not defined XMLCALL */
+
+
+#if !defined(XML_STATIC) && !defined(XMLIMPORT)
+#ifndef XML_BUILDING_EXPAT
+/* using Expat from an application */
+
+#ifdef XML_USE_MSC_EXTENSIONS
+#define XMLIMPORT __declspec(dllimport)
+#endif
+
+#endif
+#endif  /* not defined XML_STATIC */
+
+/* If we didn't define it above, define it away: */
+#ifndef XMLIMPORT
+#define XMLIMPORT
+#endif
+
+
+#define XMLPARSEAPI(type) XMLIMPORT type XMLCALL
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef XML_UNICODE_WCHAR_T
+#define XML_UNICODE
+#endif
+
+#ifdef XML_UNICODE     /* Information is UTF-16 encoded. */
+#ifdef XML_UNICODE_WCHAR_T
+typedef wchar_t XML_Char;
+typedef wchar_t XML_LChar;
+#else
+typedef unsigned short XML_Char;
+typedef char XML_LChar;
+#endif /* XML_UNICODE_WCHAR_T */
+#else                  /* Information is UTF-8 encoded. */
+typedef char XML_Char;
+typedef char XML_LChar;
+#endif /* XML_UNICODE */

headers/libs/icon/IconUtils.h

@@ -0,0 +1,80 @@
+/*
+ * Copyright 2006, Haiku. All rights reserved.
+ * Distributed under the terms of the MIT License.
+ *
+ */
+
+#ifndef ICON_UTILS_H
+#define ICON_UTILS_H
+
+#include <Mime.h>
+
+class BBitmap;
+class BNode;
+
+// This class is a little different from many other classes.
+// You don't create an instance of it; you just call its various
+// static member functions for utility-like operations.
+class BIconUtils {
+								BIconUtils();
+								~BIconUtils();
+								BIconUtils(const BIconUtils&);
+			BIconUtils&			operator=(const BIconUtils&);
+
+ public:
+
+	// Utility function to import an icon from the node that
+	// has either of the provided attribute names. Which icon type
+	// is preferred (vector, small or large B_CMAP8 icon) depends
+	// on the colorspace of the provided bitmap. If the colorspace
+	// is B_CMAP8, B_CMAP8 icons are preferred. If no vector icon
+	// is available, the bitmap size must match the provided
+	// icon_size "size"!
+	static	status_t			GetIcon(BNode* node,
+										const char* vectorIconAttrName,
+										const char* smallIconAttrName,
+										const char* largeIconAttrName,
+										icon_size size,
+										BBitmap* result);
+
+	// Utility functions to import a vector icon in "flat icon"
+	// format from a BNode attribute or from a flat buffer in
+	// memory into the preallocated BBitmap "result".
+	// The colorspace of result needs to be B_RGBA32 or at
+	// least B_RGB32 (though that makes less sense). The icon
+	// will be scaled from it's "native" size of 64x64 to the
+	// size of the bitmap, the scale is derived from the bitmap
+	// width, the bitmap should have square dimension, or the
+	// icon will be cut off at the bottom (or have room left).
+	static	status_t			GetVectorIcon(BNode* node,
+											  const char* attrName,
+											  BBitmap* result);
+
+	static	status_t			GetVectorIcon(const uint8* buffer,
+											  size_t size,
+											  BBitmap* result);
+
+	// Utility function to import an "old" BeOS icon in B_CMAP8
+	// colorspace from either the small icon attribute or the
+	// large icon attribute as given in "smallIconAttrName" and
+	// "largeIconAttrName". Which icon is loaded depends on
+	// the given "size".
+	static	status_t			GetCMAP8Icon(BNode* node,
+											 const char* smallIconAttrName,
+											 const char* largeIconAttrName,
+											 icon_size size,
+											 BBitmap* icon);
+
+	// Utility functions to convert from old icon colorspace
+	// into colorspace of BBitmap "result" (should be B_RGBA32
+	// to make any sense).
+	static	status_t			ConvertFromCMAP8(BBitmap* source,
+												 BBitmap* result);
+
+	static	status_t			ConvertFromCMAP8(const uint8* data,
+												 uint32 width, uint32 height,
+												 uint32 bytesPerRow,
+												 BBitmap* result);
+};
+
+#endif // ICON_UTILS_H

headers/os/app/AppDefs.h

@@ -50,6 +50,7 @@ enum {
 	B_KEY_UP 					= '_KYU',
 	B_UNMAPPED_KEY_DOWN 		= '_UKD',
 	B_UNMAPPED_KEY_UP 			= '_UKU',
+	B_LAYOUT_WINDOW				= '_LAY',
 	B_MODIFIERS_CHANGED			= '_MCH',
 	B_MINIMIZE					= '_WMN',
 	B_MOUSE_DOWN 				= '_MDN',

headers/os/interface/AbstractLayoutItem.h

@@ -0,0 +1,40 @@
+/*
+ * Copyright 2006, Haiku Inc.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef	_ABSTRACT_LAYOUT_ITEM_H
+#define	_ABSTRACT_LAYOUT_ITEM_H
+
+#include <Alignment.h>
+#include <LayoutItem.h>
+#include <Size.h>
+
+
+class BAbstractLayoutItem : public BLayoutItem {
+public:
+								BAbstractLayoutItem();
+	virtual						~BAbstractLayoutItem();
+
+	virtual	BSize				MinSize();
+	virtual	BSize				MaxSize();
+	virtual	BSize				PreferredSize();
+	virtual	BAlignment			Alignment();
+
+	virtual	void				SetExplicitMinSize(BSize size);
+	virtual	void				SetExplicitMaxSize(BSize size);
+	virtual	void				SetExplicitPreferredSize(BSize size);
+	virtual	void				SetExplicitAlignment(BAlignment alignment);
+
+	virtual	BSize				BaseMinSize();
+	virtual	BSize				BaseMaxSize();
+	virtual	BSize				BasePreferredSize();
+	virtual	BAlignment			BaseAlignment();
+
+private:
+			BSize				fMinSize;
+			BSize				fMaxSize;
+			BSize				fPreferredSize;
+			BAlignment			fAlignment;
+};
+
+#endif	//	_ABSTRACT_LAYOUT_ITEM_H

headers/os/interface/Alignment.h

@@ -0,0 +1,128 @@
+/*
+ * Copyright 2006, Haiku Inc.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef	_ALIGNMENT_H
+#define	_ALIGNMENT_H
+
+#include <InterfaceDefs.h>
+
+class BAlignment {
+public:
+			alignment			horizontal;
+			vertical_alignment	vertical;
+
+	inline						BAlignment();
+	inline						BAlignment(const BAlignment& other);
+	inline						BAlignment(alignment horizontal,
+									vertical_alignment vertical);
+
+	inline	alignment			Horizontal() const;
+	inline	vertical_alignment	Vertical() const;
+
+			float				RelativeHorizontal() const;
+			float				RelativeVertical() const;
+
+	inline	void				SetHorizontal(alignment horizontal);
+	inline	void				SetVertical(vertical_alignment vertical);
+
+	inline	bool				IsHorizontalSet() const;
+	inline	bool				IsVerticalSet() const;
+
+	inline	bool				operator==(const BAlignment& other) const;
+	inline	bool				operator!=(const BAlignment& other) const;
+
+	inline	BAlignment&			operator=(const BAlignment& other);
+};
+
+
+// constructor
+inline
+BAlignment::BAlignment()
+	: horizontal(B_ALIGN_HORIZONTAL_UNSET),
+	  vertical(B_ALIGN_VERTICAL_UNSET)
+{
+}
+
+// copy constructor
+inline
+BAlignment::BAlignment(const BAlignment& other)
+	: horizontal(other.horizontal),
+	  vertical(other.vertical)
+{
+}
+
+// constructor
+inline
+BAlignment::BAlignment(alignment horizontal, vertical_alignment vertical)
+	: horizontal(horizontal),
+	  vertical(vertical)
+{
+}
+
+// Horizontal
+inline alignment
+BAlignment::Horizontal() const
+{
+	return horizontal;
+}
+
+// Vertical
+inline vertical_alignment
+BAlignment::Vertical() const
+{
+	return vertical;
+}
+
+// SetHorizontal
+inline void
+BAlignment::SetHorizontal(alignment horizontal)
+{
+	this->horizontal = horizontal;
+}
+
+// SetVertical
+inline void
+BAlignment::SetVertical(vertical_alignment vertical)
+{
+	this->vertical = vertical;
+}
+
+// IsHorizontalSet
+inline bool
+BAlignment::IsHorizontalSet() const
+{
+	return (horizontal != B_ALIGN_HORIZONTAL_UNSET);
+}
+
+// IsVerticalSet
+inline bool
+BAlignment::IsVerticalSet() const
+{
+	return (vertical != B_ALIGN_VERTICAL_UNSET);
+}
+
+// ==
+inline bool
+BAlignment::operator==(const BAlignment& other) const
+{
+	return (horizontal == other.horizontal && vertical == other.vertical);
+}
+
+// !=
+inline bool
+BAlignment::operator!=(const BAlignment& other) const
+{
+	return !(*this == other);
+}
+
+// =
+inline BAlignment&
+BAlignment::operator=(const BAlignment& other)
+{
+	horizontal = other.horizontal;
+	vertical = other.vertical;
+	return *this;
+}
+
+#endif	// _ALIGNMENT_H

headers/os/interface/Button.h

@@ -52,6 +52,10 @@ public:
 							BMessage *message,
 							uint32 resizingMode = B_FOLLOW_LEFT | B_FOLLOW_TOP,
 							uint32 flags = B_WILL_DRAW | B_NAVIGABLE); 
+					BButton(const char* name, const char* label,
+							BMessage *message,
+							uint32 flags = B_WILL_DRAW | B_NAVIGABLE);
+					BButton(const char* label, BMessage *message);
 	
 virtual				~BButton();
 
@@ -92,6 +96,9 @@ virtual BHandler	*ResolveSpecifier(BMessage *message,
 virtual	status_t	GetSupportedSuites(BMessage *message);
 virtual status_t	Perform(perform_code d, void *arg);
 
+virtual	BSize		MaxSize();
+
+
 private:
 	
 virtual	void		_ReservedButton1();

headers/os/interface/CardLayout.h

@@ -0,0 +1,47 @@
+/*
+ * Copyright 2006, Haiku Inc.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef	_CARD_LAYOUT_H
+#define	_CARD_LAYOUT_H
+
+#include <Layout.h>
+
+
+class BCardLayout : public BLayout {
+public:
+								BCardLayout();
+	virtual						~BCardLayout();
+
+			BLayoutItem*		VisibleItem() const;
+			int32				VisibleIndex() const;
+			void				SetVisibleItem(int32 index);
+			void				SetVisibleItem(BLayoutItem* item);
+
+	virtual	BSize				MinSize();
+	virtual	BSize				MaxSize();
+	virtual	BSize				PreferredSize();
+	virtual	BAlignment			Alignment();
+
+	virtual	bool				HasHeightForWidth();
+	virtual	void				GetHeightForWidth(float width, float* min,
+									float* max, float* preferred);
+
+	virtual	void				InvalidateLayout();
+	virtual	void				LayoutView();
+
+protected:
+	virtual	void				ItemAdded(BLayoutItem* item);
+	virtual	void				ItemRemoved(BLayoutItem* item);
+
+private:
+			BSize				fMin;
+			BSize				fMax;
+			BSize				fPreferred;
+			BLayoutItem*		fVisibleItem;
+			bool				fMinMaxValid;
+
+			void				_ValidateMinMax();
+};
+
+#endif	// _CARD_LAYOUT_H

headers/os/interface/ColorControl.h

@@ -33,6 +33,8 @@ class BColorControl : public BControl {
 		static BArchivable*	Instantiate(BMessage* archive);
 		virtual status_t	Archive(BMessage* archive, bool deep = true) const;
 
+		virtual void		SetLayout(BLayout* layout);
+
 		virtual void		SetValue(int32 color_value);
 		void				SetValue(rgb_color color);
 		rgb_color			ValueAsColor();

headers/os/interface/GridLayout.h

@@ -0,0 +1,95 @@
+/*
+ * Copyright 2006, Haiku Inc.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef	_GRID_LAYOUT_H
+#define	_GRID_LAYOUT_H
+
+#include <TwoDimensionalLayout.h>
+
+
+
+class BGridLayout : public BTwoDimensionalLayout {
+public:
+								BGridLayout(float horizontal = 0.0f,
+									float vertical = 0.0f);
+	virtual						~BGridLayout();
+
+			float				HorizontalSpacing() const;
+			float				VerticalSpacing() const;
+
+			void				SetHorizontalSpacing(float spacing);
+			void				SetVerticalSpacing(float spacing);
+			void				SetSpacing(float horizontal, float vertical);
+
+			float				ColumnWeight(int32 column) const;
+			void				SetColumnWeight(int32 column, float weight);
+
+			float				MinColumnWidth(int32 column) const;
+			void				SetMinColumnWidth(int32 column, float width);
+
+			float				MaxColumnWidth(int32 column) const;
+			void				SetMaxColumnWidth(int32 column, float width);
+
+			float				RowWeight(int32 row) const;
+			void				SetRowWeight(int32 row, float weight);
+
+			float				MinRowHeight(int row) const;
+			void				SetMinRowHeight(int32 row, float height);
+
+			float				MaxRowHeight(int32 row) const;
+			void				SetMaxRowHeight(int32 row, float height);
+
+	virtual	BLayoutItem*		AddView(BView* child);
+	virtual	BLayoutItem*		AddView(int32 index, BView* child);
+	virtual	BLayoutItem*		AddView(BView* child, int32 column, int32 row,
+									int32 columnCount = 1, int32 rowCount = 1);
+
+	virtual	bool				AddItem(BLayoutItem* item);
+	virtual	bool				AddItem(int32 index, BLayoutItem* item);
+	virtual	bool				AddItem(BLayoutItem* item, int32 column,
+									int32 row, int32 columnCount = 1,
+									int32 rowCount = 1);
+
+protected:	
+	virtual	void				ItemAdded(BLayoutItem* item);
+	virtual	void				ItemRemoved(BLayoutItem* item);
+
+	virtual	bool				HasMultiColumnItems();
+	virtual	bool				HasMultiRowItems();
+	
+	virtual	int32				InternalCountColumns();
+	virtual	int32				InternalCountRows();
+	virtual	void				GetColumnRowConstraints(
+									enum orientation orientation,
+									int32 index,
+									ColumnRowConstraints* constraints);
+	virtual	void	 			GetItemDimensions(BLayoutItem* item,
+									Dimensions* dimensions);
+
+private:	
+			class DummyLayoutItem;
+			class RowInfoArray;
+			struct ItemLayoutData;
+			
+			bool				_IsGridCellEmpty(int32 column, int32 row);
+			bool				_AreGridCellsEmpty(int32 column, int32 row,
+									int32 columnCount, int32 rowCount);
+	
+			bool				_ResizeGrid(int32 columnCount, int32 rowCount);
+
+			ItemLayoutData*		_LayoutDataForItem(BLayoutItem* item) const;
+
+private:
+			BLayoutItem***		fGrid;
+			int32				fColumnCount;
+			int32				fRowCount;
+
+			RowInfoArray*		fRowInfos;
+			RowInfoArray*		fColumnInfos;
+
+			int32				fMultiColumnItems;
+			int32				fMultiRowItems;
+};
+
+#endif	// _GRID_LAYOUT_H

headers/os/interface/GridLayoutBuilder.h

@@ -0,0 +1,38 @@
+/*
+ * Copyright 2006, Haiku Inc.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef	_GRID_LAYOUT_BUILDER_H
+#define	_GRID_LAYOUT_BUILDER_H
+
+#include <GridView.h>
+
+class BGridLayoutBuilder {
+public:
+								BGridLayoutBuilder(
+									float horizontalSpacing = 0.0f,
+									float verticalSpacing = 0.0f);
+								BGridLayoutBuilder(BGridLayout* layout);
+								BGridLayoutBuilder(BGridView* view);
+
+			BGridLayout*		GridLayout() const;
+			BView*				View() const;
+			BGridLayoutBuilder& GetGridLayout(BGridLayout** _layout);
+			BGridLayoutBuilder& GetView(BView** _view);
+
+			BGridLayoutBuilder& Add(BView* view, int32 column, int32 row,
+									int32 columnCount = 1, int32 rowCount = 1);
+			BGridLayoutBuilder& Add(BLayoutItem* item, int32 column, int32 row,
+									int32 columnCount = 1, int32 rowCount = 1);
+
+			BGridLayoutBuilder& SetColumnWeight(int32 column, float weight);
+			BGridLayoutBuilder& SetRowWeight(int32 row, float weight);
+
+								operator BGridLayout*();
+								operator BView*();
+
+private:
+			BGridLayout*		fLayout;
+};
+
+#endif	// _GRID_LAYOUT_BUILDER_H

headers/os/interface/GridView.h

@@ -0,0 +1,24 @@
+/*
+ * Copyright 2006, Haiku Inc.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef	_GRID_VIEW_H
+#define	_GRID_VIEW_H
+
+#include <GridLayout.h>
+#include <View.h>
+
+
+class BGridView : public BView {
+public:
+								BGridView(float horizontalSpacing = 0.0f,
+									float verticalSpacing = 0.0f);
+	virtual						~BGridView();
+
+	virtual	void				SetLayout(BLayout* layout);
+
+			BGridLayout*		GridLayout() const;
+};
+
+
+#endif	// _GRID_VIEW_H

headers/os/interface/GroupLayout.h

@@ -0,0 +1,61 @@
+/*
+ * Copyright 2006, Haiku Inc.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef	_GROUP_LAYOUT_H
+#define	_GROUP_LAYOUT_H
+
+#include <TwoDimensionalLayout.h>
+
+class BGroupLayout : public BTwoDimensionalLayout {
+public:
+								BGroupLayout(enum orientation orientation,
+									float spacing = 0.0f);
+	virtual						~BGroupLayout();
+
+			float				Spacing() const;
+			void				SetSpacing(float spacing);
+
+			orientation			Orientation() const;
+			void				SetOrientation(enum orientation orientation);
+	
+			float				ItemWeight(int32 index) const;
+			void				SetItemWeight(int32 index, float weight);
+
+	virtual	BLayoutItem*		AddView(BView* child);
+	virtual	BLayoutItem*		AddView(int32 index, BView* child);
+	virtual	BLayoutItem*		AddView(BView* child, float weight);
+	virtual	BLayoutItem*		AddView(int32 index, BView* child,
+									float weight);
+
+	virtual	bool				AddItem(BLayoutItem* item);
+	virtual	bool				AddItem(int32 index, BLayoutItem* item);
+	virtual	bool				AddItem(BLayoutItem* item, float weight);
+	virtual	bool				AddItem(int32 index, BLayoutItem* item,
+									float weight);
+
+protected:	
+	virtual	void				ItemAdded(BLayoutItem* item);
+	virtual	void				ItemRemoved(BLayoutItem* item);
+
+	virtual	void				PrepareItems(enum orientation orientation);
+	
+	virtual	int32				InternalCountColumns();
+	virtual	int32				InternalCountRows();
+	virtual	void				GetColumnRowConstraints(
+									enum orientation orientation,
+									int32 index,
+									ColumnRowConstraints* constraints);
+	virtual	void	 			GetItemDimensions(BLayoutItem* item,
+									Dimensions* dimensions);
+
+private:
+			struct ItemLayoutData;
+
+			ItemLayoutData*		_LayoutDataForItem(BLayoutItem* item) const;
+
+			orientation			fOrientation;
+			BList				fVisibleItems;
+};
+
+#endif	// _GROUP_LAYOUT_H

headers/os/interface/GroupLayoutBuilder.h

@@ -0,0 +1,49 @@
+/*
+ * Copyright 2006, Haiku Inc.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef	_GROUP_LAYOUT_BUILDER_H
+#define	_GROUP_LAYOUT_BUILDER_H
+
+#include <GroupLayout.h>
+#include <GroupView.h>
+#include <List.h>
+
+class BGroupLayoutBuilder {
+public:
+								BGroupLayoutBuilder(
+									enum orientation orientation = B_HORIZONTAL,
+									float spacing = 0.0f);
+								BGroupLayoutBuilder(BGroupLayout* layout);
+								BGroupLayoutBuilder(BGroupView* view);
+
+			BGroupLayout*		RootLayout() const;
+			BGroupLayout*		TopLayout() const;
+			BGroupLayoutBuilder& GetTopLayout(BGroupLayout** _layout);
+			BGroupLayoutBuilder& GetTopView(BView** _view);
+
+			BGroupLayoutBuilder& Add(BView* view);
+			BGroupLayoutBuilder& Add(BView* view, float weight);
+			BGroupLayoutBuilder& Add(BLayoutItem* item);
+			BGroupLayoutBuilder& Add(BLayoutItem* item, float weight);
+
+			BGroupLayoutBuilder& AddGroup(enum orientation orientation,
+									float spacing = 0.0f, float weight = 1.0f);
+			BGroupLayoutBuilder& End();
+
+			BGroupLayoutBuilder& AddGlue(float weight = 1.0f);
+			BGroupLayoutBuilder& AddStrut(float size);
+
+								operator BGroupLayout*();
+								operator BView*();
+
+private:
+			bool				_PushLayout(BGroupLayout* layout);
+			void				_PopLayout();
+
+private:
+			BGroupLayout*		fRootLayout;
+			BList				fLayoutStack;
+};
+
+#endif	// _GROUP_LAYOUT_BUILDER_H

headers/os/interface/GroupView.h

@@ -0,0 +1,25 @@
+/*
+ * Copyright 2006, Haiku Inc.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef	_GROUP_VIEW_H
+#define	_GROUP_VIEW_H
+
+#include <GroupLayout.h>
+#include <View.h>
+
+
+class BGroupView : public BView {
+public:
+								BGroupView(
+									enum orientation orientation = B_HORIZONTAL,
+									float spacing = 0.0f);
+	virtual						~BGroupView();
+
+	virtual	void				SetLayout(BLayout* layout);
+
+			BGroupLayout*		GroupLayout() const;
+};
+
+
+#endif	// _GROUP_VIEW_H

headers/os/interface/InterfaceDefs.h

@@ -179,14 +179,24 @@ struct scroll_bar_info {
 enum alignment {
 	B_ALIGN_LEFT,
     B_ALIGN_RIGHT,
-    B_ALIGN_CENTER
+    B_ALIGN_CENTER,
+
+	B_ALIGN_HORIZONTAL_CENTER	= B_ALIGN_CENTER,
+
+	B_ALIGN_HORIZONTAL_UNSET	= -1L,
+	B_ALIGN_USE_FULL_WIDTH		= -2L,
 };
 
 enum vertical_alignment {
 	B_ALIGN_TOP = 0x10L,
 	B_ALIGN_MIDDLE = 0x20,
 	B_ALIGN_BOTTOM = 0x30,
-	B_ALIGN_NO_VERTICAL = -1L
+
+	B_ALIGN_VERTICAL_CENTER		= B_ALIGN_MIDDLE,
+
+	B_ALIGN_VERTICAL_UNSET		= -1L,
+	B_ALIGN_NO_VERTICAL			= B_ALIGN_VERTICAL_UNSET,
+	B_ALIGN_USE_FULL_HEIGHT		= -2L,
 };
 
 /*----------------------------------------------------------------*/

headers/os/interface/Layout.h

@@ -0,0 +1,67 @@
+/*
+ * Copyright 2006, Haiku Inc.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef	_LAYOUT_H
+#define	_LAYOUT_H
+
+#include <Alignment.h>
+#include <List.h>
+#include <Size.h>
+
+class BLayoutItem;
+class BView;
+
+
+class BLayout {
+public:
+								BLayout();
+	virtual						~BLayout();
+
+			BView*				View() const;
+
+	virtual	BLayoutItem*		AddView(BView* child);
+	virtual	BLayoutItem*		AddView(int32 index, BView* child);
+
+	virtual	bool				AddItem(BLayoutItem* item);
+	virtual	bool				AddItem(int32 index, BLayoutItem* item);
+
+	virtual	bool				RemoveView(BView* child);
+	virtual	bool				RemoveItem(BLayoutItem* item);
+	virtual	BLayoutItem*		RemoveItem(int32 index);
+
+			BLayoutItem*		ItemAt(int32 index) const;
+			int32				CountItems() const;
+			int32				IndexOfItem(BLayoutItem* item) const;
+			int32				IndexOfView(BView* child) const;
+
+	virtual	BSize				MinSize() = 0;
+	virtual	BSize				MaxSize() = 0;
+	virtual	BSize				PreferredSize() = 0;
+	virtual	BAlignment			Alignment() = 0;
+
+	virtual	bool				HasHeightForWidth() = 0;
+	virtual	void				GetHeightForWidth(float width, float* min,
+									float* max, float* preferred) = 0;
+
+	virtual	void				InvalidateLayout();
+
+	virtual	void				LayoutView() = 0;
+
+protected:
+// TODO: Since memory allocations can fail, we should return a bool and
+// undo the addition, if false.
+	virtual	void				ItemAdded(BLayoutItem* item);
+	virtual	void				ItemRemoved(BLayoutItem* item);
+
+
+private:
+			friend class BView;
+
+			void				SetView(BView* view);
+
+			BView*				fView;
+			BList				fItems;
+};
+
+#endif	//	_LAYOUT_H

headers/os/interface/LayoutContext.h

@@ -0,0 +1,35 @@
+/*
+ * Copyright 2006, Haiku Inc.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef	_LAYOUT_CONTEXT_H
+#define	_LAYOUT_CONTEXT_H
+
+#include <List.h>
+
+class BLayoutContext;
+
+
+class BLayoutContextListener {
+public:
+								BLayoutContextListener();
+	virtual						~BLayoutContextListener();
+
+	virtual	void				LayoutContextLeft(BLayoutContext* context) = 0;
+};
+
+
+class BLayoutContext {
+public:
+								BLayoutContext();
+								~BLayoutContext();
+
+			void				AddListener(BLayoutContextListener* listener);
+			void				RemoveListener(
+									BLayoutContextListener* listener);
+
+private:
+			BList				fListeners;
+};
+
+#endif	//	_LAYOUT_CONTEXT_H

headers/os/interface/LayoutItem.h

@@ -0,0 +1,60 @@
+/*
+ * Copyright 2006, Haiku Inc.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef	_LAYOUT_ITEM_H
+#define	_LAYOUT_ITEM_H
+
+#include <Alignment.h>
+#include <Rect.h>
+#include <Size.h>
+
+class BLayout;
+class BView;
+
+class BLayoutItem {
+public:
+								BLayoutItem();
+	virtual						~BLayoutItem();
+
+			BLayout*			Layout() const;
+
+	virtual	BSize				MinSize() = 0;
+	virtual	BSize				MaxSize() = 0;
+	virtual	BSize				PreferredSize() = 0;
+	virtual	BAlignment			Alignment() = 0;
+
+	virtual	void				SetExplicitMinSize(BSize size) = 0;
+	virtual	void				SetExplicitMaxSize(BSize size) = 0;
+	virtual	void				SetExplicitPreferredSize(BSize size) = 0;
+	virtual	void				SetExplicitAlignment(BAlignment alignment) = 0;
+
+	virtual	bool				IsVisible() = 0;
+	virtual	void				SetVisible(bool visible) = 0;
+
+	virtual	BRect				Frame() = 0;
+	virtual	void				SetFrame(BRect frame) = 0;
+
+	virtual	bool				HasHeightForWidth();
+	virtual	void				GetHeightForWidth(float width, float* min,
+									float* max, float* preferred);
+
+	virtual	BView*				View();
+
+	virtual	void				InvalidateLayout();
+
+			void*				LayoutData() const;
+			void				SetLayoutData(void* data);
+
+			void				AlignInFrame(BRect frame);
+	
+private:
+			friend class BLayout;
+
+			void				SetLayout(BLayout* layout);
+
+			BLayout*			fLayout;
+			void*				fLayoutData;
+};
+
+#endif	// _LAYOUT_ITEM_H

headers/os/interface/LayoutUtils.h

@@ -0,0 +1,35 @@
+/*
+ * Copyright 2006, Haiku Inc.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef	_LAYOUT_UTILS_H
+#define	_LAYOUT_UTILS_H
+
+#include <Alignment.h>
+#include <Rect.h>
+#include <Size.h>
+
+class BView;
+
+class BLayoutUtils {
+public:
+//	static	float				AddSizesFloat(float a, float b);
+//	static	float				AddSizesFloat(float a, float b, float c);
+	static	float				AddDistances(float a, float b);
+	static	float				AddDistances(float a, float b, float c);
+	static	int32				AddSizesInt32(int32 a, int32 b);
+	static	int32				AddSizesInt32(int32 a, int32 b, int32 c);
+//	static	float				SubtractSizesFloat(float a, float b);
+	static	int32				SubtractSizesInt32(int32 a, int32 b);
+	static	float				SubtractDistances(float a, float b);
+	
+	static	BSize				ComposeSize(BSize size, BSize layoutSize);
+	static	BAlignment			ComposeAlignment(BAlignment alignment,
+									BAlignment layoutAlignment);
+
+	static	BRect				AlignInFrame(BRect frame, BSize maxSize,
+									BAlignment alignment);
+	static	void				AlignInFrame(BView* view, BRect frame);
+};
+
+#endif	//	_LAYOUT_UTILS_H

headers/os/interface/ListView.h

@@ -126,6 +126,9 @@ class BListView : public BView, public BInvoker
 		virtual void		AllAttached();
 		virtual void		AllDetached();
 
+		virtual	BSize		MinSize();
+		virtual	BSize		PreferredSize();
+
 	protected:
 		enum MiscCode { B_NO_OP, B_REPLACE_OP, B_MOVE_OP, B_SWAP_OP };
 		union MiscData {

headers/os/interface/MenuBar.h

@@ -36,82 +36,86 @@ class BMenuField;
 class BMenuBar : public BMenu
 {
 public:
-						BMenuBar(	BRect frame,
+							BMenuBar(	BRect frame,
-									const char *title,
+										const char *title,
-									uint32 resizeMask =
+										uint32 resizeMask =
-										B_FOLLOW_LEFT_RIGHT | B_FOLLOW_TOP,
+											B_FOLLOW_LEFT_RIGHT | B_FOLLOW_TOP,
-									menu_layout layout = B_ITEMS_IN_ROW,
+										menu_layout layout = B_ITEMS_IN_ROW,
-									bool resizeToFit = true);
+										bool resizeToFit = true);
-						BMenuBar(BMessage *data);
+							BMenuBar(BMessage *data);
-virtual					~BMenuBar();
+	virtual					~BMenuBar();
-static	BArchivable		*Instantiate(BMessage *data);
+	static	BArchivable		*Instantiate(BMessage *data);
-virtual	status_t		Archive(BMessage *data, bool deep = true) const;
+	virtual	status_t		Archive(BMessage *data, bool deep = true) const;
 
-virtual	void			SetBorder(menu_bar_border border);
+	virtual	void			SetBorder(menu_bar_border border);
-		menu_bar_border	Border() const;
+			menu_bar_border	Border() const;
-virtual	void			Draw(BRect updateRect);
+	virtual	void			Draw(BRect updateRect);
-virtual void			AttachedToWindow();
+	virtual void			AttachedToWindow();
-virtual	void			DetachedFromWindow();
+	virtual	void			DetachedFromWindow();
-virtual void			MessageReceived(BMessage *msg);
+	virtual void			MessageReceived(BMessage *msg);
-virtual	void			MouseDown(BPoint where);
+	virtual	void			MouseDown(BPoint where);
-virtual void			WindowActivated(bool state);
+	virtual void			WindowActivated(bool state);
-virtual	void			MouseUp(BPoint where);
+	virtual	void			MouseUp(BPoint where);
-virtual	void			FrameMoved(BPoint new_position);
+	virtual	void			FrameMoved(BPoint new_position);
-virtual	void			FrameResized(float new_width, float new_height);
+	virtual	void			FrameResized(float new_width, float new_height);
 
-virtual void			Show();
+	virtual void			Show();
-virtual void			Hide();
+	virtual void			Hide();
 
-virtual BHandler		*ResolveSpecifier(BMessage *msg,
+	virtual BHandler		*ResolveSpecifier(BMessage *msg,
-										int32 index,
+											int32 index,
-										BMessage *specifier,
+											BMessage *specifier,
-										int32 form,
+											int32 form,
-										const char *property);
+											const char *property);
-virtual status_t		GetSupportedSuites(BMessage *data);
+	virtual status_t		GetSupportedSuites(BMessage *data);
 
-virtual void			ResizeToPreferred();
+	virtual void			ResizeToPreferred();
-virtual void			GetPreferredSize(float *width, float *height);
+	virtual void			GetPreferredSize(float *width, float *height);
-virtual void			MakeFocus(bool state = true);
+	virtual void			MakeFocus(bool state = true);
-virtual void			AllAttached();
+	virtual void			AllAttached();
-virtual void			AllDetached();
+	virtual void			AllDetached();
 
 
+
+			// layout related
+	virtual	BSize			MaxSize();
+
 /*----- Private or reserved -----------------------------------------*/
-virtual status_t		Perform(perform_code d, void *arg);
+	virtual status_t		Perform(perform_code d, void *arg);
 
 private:
-friend class BWindow;
+	friend class BWindow;
-friend class BMenuItem;
+	friend class BMenuItem;
-friend class BMenuField;
+	friend class BMenuField;
-friend class BMenu;
+	friend class BMenu;
 
-virtual	void			_ReservedMenuBar1();
+	virtual	void			_ReservedMenuBar1();
-virtual	void			_ReservedMenuBar2();
+	virtual	void			_ReservedMenuBar2();
-virtual	void			_ReservedMenuBar3();
+	virtual	void			_ReservedMenuBar3();
-virtual	void			_ReservedMenuBar4();
+	virtual	void			_ReservedMenuBar4();
 
-		BMenuBar		&operator=(const BMenuBar &);
+			BMenuBar		&operator=(const BMenuBar &);
 
-		void			StartMenuBar(	int32 menuIndex,
+			void			StartMenuBar(	int32 menuIndex,
-										bool sticky = true,
+											bool sticky = true,
-										bool show_menu = false,
+											bool show_menu = false,
-										BRect *special_rect = NULL);
+											BRect *special_rect = NULL);
-static	long			TrackTask(void *arg);
+	static	long			TrackTask(void *arg);
-		BMenuItem		*Track(	int32 *action,
+			BMenuItem		*Track(	int32 *action,
-								int32 startIndex = -1,
+									int32 startIndex = -1,
-								bool showMenu = false);
+									bool showMenu = false);
-		void			StealFocus();
+			void			StealFocus();
-		void			RestoreFocus();
+			void			RestoreFocus();
-		void			InitData(menu_layout layout);
+			void			InitData(menu_layout layout);
 
-		menu_bar_border	fBorder;
+			menu_bar_border	fBorder;
-		thread_id		fTrackingPID;
+			thread_id		fTrackingPID;
-		int32			fPrevFocusToken;
+			int32			fPrevFocusToken;
-		sem_id			fMenuSem;
+			sem_id			fMenuSem;
-		BRect*			fLastBounds;
+			BRect*			fLastBounds;
-		uint32			_reserved[2];	// was 3
+			uint32			_reserved[2];	// was 3
 
-		bool			fTracking;
+			bool			fTracking;
 };
 
 /*-------------------------------------------------------------*/

headers/os/interface/MenuField.h

@@ -1,13 +1,7 @@
-/*******************************************************************************
+/*
-/
+ * Copyright 2006, Haiku, Inc. All Rights Reserved.
-/	File:			MenuField.h
+ * Distributed under the terms of the MIT License.
-/
+ */
-/   Description:    BMenuField displays a labeled pop-up menu.
-/
-/	Copyright 1994-98, Be Incorporated, All Rights Reserved
-/
-*******************************************************************************/
-
 
 #ifndef _MENU_FIELD_H
 #define _MENU_FIELD_H
@@ -18,108 +12,118 @@
 
 class BMenuBar;
 
-/*----------------------------------------------------------------*/
+class BMenuField : public BView {
-/*----- BMenuField class -----------------------------------------*/
+ public:
+							BMenuField(BRect frame, const char* name,
+								const char* label, BMenu* menu,
+								uint32 resize = B_FOLLOW_LEFT|B_FOLLOW_TOP,
+								uint32 flags = B_WILL_DRAW | B_NAVIGABLE); 
+							BMenuField(BRect frame, const char* name,
+								const char* label, BMenu* menu,
+								bool fixed_size,
+								uint32 resize = B_FOLLOW_LEFT|B_FOLLOW_TOP,
+								uint32 flags = B_WILL_DRAW | B_NAVIGABLE); 
+							BMenuField(const char* name,
+								const char* label, BMenu* menu,
+								BMessage* message,
+								uint32 flags = B_WILL_DRAW | B_NAVIGABLE); 
+							BMenuField(const char* label,
+								BMenu* menu, BMessage* message); 
+							BMenuField(BMessage* data);
+	virtual					~BMenuField();
 
-class BMenuField : public BView
+	static	BArchivable*	Instantiate(BMessage* archive);
-{
+	virtual	status_t		Archive(BMessage* archive, bool deep = true) const;
-public:
-						BMenuField(	BRect frame,
-									const char *name,
-									const char *label,
-									BMenu *menu,
-									uint32 resize = B_FOLLOW_LEFT|B_FOLLOW_TOP,
-									uint32 flags = B_WILL_DRAW | B_NAVIGABLE); 
-						BMenuField(	BRect frame,
-									const char *name,
-									const char *label,
-									BMenu *menu,
-									bool fixed_size,
-									uint32 resize = B_FOLLOW_LEFT|B_FOLLOW_TOP,
-									uint32 flags = B_WILL_DRAW | B_NAVIGABLE); 
-						BMenuField(BMessage *data);
-virtual					~BMenuField();
-static	BArchivable		*Instantiate(BMessage *data);
-virtual	status_t		Archive(BMessage *data, bool deep = true) const;
 
-virtual	void			Draw(BRect update);
+	virtual	void			Draw(BRect update);
-virtual	void			AttachedToWindow();
+	virtual	void			AttachedToWindow();
-virtual	void			AllAttached();
+	virtual	void			AllAttached();
-virtual	void			MouseDown(BPoint where);
+	virtual	void			MouseDown(BPoint where);
-virtual	void			KeyDown(const char *bytes, int32 numBytes);
+	virtual	void			KeyDown(const char* bytes, int32 numBytes);
-virtual	void			MakeFocus(bool state);
+	virtual	void			MakeFocus(bool state);
-virtual void			MessageReceived(BMessage *msg);
+	virtual void			MessageReceived(BMessage* message);
-virtual void			WindowActivated(bool state);
+	virtual void			WindowActivated(bool state);
-virtual	void			MouseUp(BPoint pt);
+	virtual	void			MouseUp(BPoint pt);
-virtual	void			MouseMoved(BPoint pt, uint32 code, const BMessage *msg);
+	virtual	void			MouseMoved(BPoint pt, uint32 code,
-virtual	void			DetachedFromWindow();
+								const BMessage* dragMessage);
-virtual	void			AllDetached();
+	virtual	void			DetachedFromWindow();
-virtual	void			FrameMoved(BPoint new_position);
+	virtual	void			AllDetached();
-virtual	void			FrameResized(float new_width, float new_height);
+	virtual	void			FrameMoved(BPoint new_position);
+	virtual	void			FrameResized(float new_width, float new_height);
 
-		BMenu			*Menu() const;
+			BMenu*			Menu() const;
-		BMenuBar		*MenuBar() const;
+			BMenuBar*		MenuBar() const;
-		BMenuItem		*MenuItem() const;
+			BMenuItem*		MenuItem() const;
 
-virtual	void			SetLabel(const char *label);
+	virtual	void			SetLabel(const char* label);
-		const char		*Label() const;
+			const char*		Label() const;
 		
-virtual void			SetEnabled(bool on);
+	virtual void			SetEnabled(bool on);
-		bool			IsEnabled() const;
+			bool			IsEnabled() const;
 
-virtual	void			SetAlignment(alignment label);
+	virtual	void			SetAlignment(alignment label);
-		alignment		Alignment() const;
+			alignment		Alignment() const;
-virtual	void			SetDivider(float dividing_line);
+	virtual	void			SetDivider(float dividing_line);
-		float			Divider() const;
+			float			Divider() const;
 
-		void			ShowPopUpMarker();
+			void			ShowPopUpMarker();
-		void			HidePopUpMarker();
+			void			HidePopUpMarker();
 
-virtual BHandler		*ResolveSpecifier(BMessage *msg,
+	virtual BHandler*		ResolveSpecifier(BMessage* message,
-										int32 index,
+								int32 index, BMessage* specifier,
-										BMessage *specifier,
+								int32 form, const char* property);
-										int32 form,
+	virtual status_t		GetSupportedSuites(BMessage* data);
-										const char *property);
-virtual status_t		GetSupportedSuites(BMessage *data);
 
-virtual void			ResizeToPreferred();
+	virtual void			ResizeToPreferred();
-virtual void			GetPreferredSize(float *width, float *height);
+	virtual void			GetPreferredSize(float* width, float* height);
+
+				BLayoutItem* CreateLabelLayoutItem();
+				BLayoutItem* CreateMenuBarLayoutItem();
+
+	
+	/*----- Private or reserved -----------------------------------------*/
+	virtual status_t		Perform(perform_code d, void* arg);
+
+ private:
+			class LabelLayoutItem;
+			class MenuBarLayoutItem;
+
+			friend class _BMCMenuBar_;
+			friend class LabelLayoutItem;
+			friend class MenuBarLayoutItem;
+
+	virtual	void			_ReservedMenuField1();
+	virtual	void			_ReservedMenuField2();
+	virtual	void			_ReservedMenuField3();
+
+			BMenuField		&operator=(const BMenuField&);
 
 
-/*----- Private or reserved -----------------------------------------*/
+			void			InitObject(const char* label);
-virtual status_t		Perform(perform_code d, void *arg);
+			void			InitObject2();
+			void			DrawLabel(BRect bounds, BRect update);
+	static	void			InitMenu(BMenu* menu);
+	static	long			MenuTask(void* arg);
+			void			_UpdateFrame();
+			void			_InitMenuBar(BMenu* menu,
+								BRect frame, bool fixedSize);
 
-private:
+			char*			fLabel;
-friend class _BMCMenuBar_;
+			BMenu*			fMenu;
+			BMenuBar*		fMenuBar;
+			alignment		fAlign;
+			float			fDivider;
+			float			fStringWidth;
+			bool			fEnabled;
+			bool			fSelected;
+			bool			fTransition;
+			bool			fFixedSizeMB;
+			thread_id		fMenuTaskID;
 
-virtual	void			_ReservedMenuField1();
+			BLayoutItem*	fLabelLayoutItem;
-virtual	void			_ReservedMenuField2();
+			BLayoutItem*	fMenuBarLayoutItem;
-virtual	void			_ReservedMenuField3();
 
-		BMenuField		&operator=(const BMenuField &);
+			uint32			_reserved[1];
-
-
-		void			InitObject(const char *label);
-		void			InitObject2();
-		void			DrawLabel(BRect bounds, BRect update);
-static	void			InitMenu(BMenu *menu);
-static	long			MenuTask(void *arg);
-
-		char			*fLabel;
-		BMenu			*fMenu;
-		BMenuBar		*fMenuBar;
-		alignment		fAlign;
-		float			fDivider;
-		float			fStringWidth;
-		bool			fEnabled;
-		bool			fSelected;
-		bool			fTransition;
-		bool			fFixedSizeMB;
-		thread_id		fMenuTaskID;
-		uint32			_reserved[3];
 };
 
-/*-------------------------------------------------------------*/
+#endif // _MENU_FIELD_H
-/*-------------------------------------------------------------*/
-
-#endif /* _MENU_FIELD_H */

headers/os/interface/RadioButton.h

@@ -54,6 +54,12 @@ public:
 								BMessage *message,
 								uint32 resizMask = B_FOLLOW_LEFT | B_FOLLOW_TOP,
 								uint32 flags = B_WILL_DRAW | B_NAVIGABLE);
+						BRadioButton(const char *name,
+								const char *label,
+								BMessage *message,
+								uint32 flags = B_WILL_DRAW | B_NAVIGABLE);
+						BRadioButton(const char *label,
+								BMessage *message);
 
 						BRadioButton(BMessage *archive);
 virtual					~BRadioButton();
@@ -91,6 +97,9 @@ virtual status_t		GetSupportedSuites(BMessage *message);
 
 virtual status_t		Perform(perform_code d, void *arg);
 
+virtual BSize			MaxSize();
+
+
 private:
 friend	status_t		_init_interface_kit_();
 

headers/os/interface/ScrollView.h

@@ -60,6 +60,9 @@ class BScrollView : public BView {
 		virtual void		MakeFocus(bool state = true);
 		virtual status_t	GetSupportedSuites(BMessage *data);
 
+		virtual	BSize		MinSize();
+		virtual	BSize		PreferredSize();
+
 		// private or reserved methods are following
 
 		virtual status_t	Perform(perform_code d, void *arg);

headers/os/interface/Size.h

@@ -0,0 +1,158 @@
+/*
+ * Copyright 2006, Haiku Inc.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef	_SIZE_H
+#define	_SIZE_H
+
+#include <limits.h>
+
+#include <Rect.h>
+#include <SupportDefs.h>
+
+enum {
+	B_SIZE_UNSET		= -1,
+	B_SIZE_UNLIMITED	= 1024 * 1024 * 1024,
+};
+
+class BSize {
+public:
+			float				width;
+			float				height;
+	
+	inline						BSize();
+	inline						BSize(const BSize& other);
+	inline						BSize(float width, float height);
+	inline						BSize(const BRect& rect);
+
+	inline	float				Width() const;
+	inline	float				Height() const;
+
+	inline	void				SetWidth(float width);
+	inline	void				SetHeight(float height);
+
+	inline	int32				IntegerWidth() const;
+	inline	int32				IntegerHeight() const;
+
+	inline	bool				IsWidthSet() const;
+	inline	bool				IsHeightSet() const;
+
+	inline	bool				operator==(const BSize& other) const;
+	inline	bool				operator!=(const BSize& other) const;
+
+	inline	BSize&				operator=(const BSize& other);
+};
+
+
+// constructor
+inline
+BSize::BSize()
+	: width(B_SIZE_UNSET),
+	  height(B_SIZE_UNSET)
+{
+}
+
+// copy constructor
+inline
+BSize::BSize(const BSize& other)
+	: width(other.width),
+	  height(other.height)
+{
+}
+
+// constructor
+inline
+BSize::BSize(float width, float height)
+	: width(width),
+	  height(height)
+{
+}
+
+// constructor
+inline
+BSize::BSize(const BRect& rect)
+	: width(rect.Width()),
+	  height(rect.Height())
+{
+}
+
+// Width
+inline float
+BSize::Width() const
+{
+	return width;
+}
+
+// Height
+inline float
+BSize::Height() const
+{
+	return height;
+}
+
+// SetWidth
+inline void
+BSize::SetWidth(float width)
+{
+	this->width = width;
+}
+
+// SetHeight
+inline void
+BSize::SetHeight(float height)
+{
+	this->height = height;
+}
+
+// IntegerWidth
+inline int32
+BSize::IntegerWidth() const
+{
+	return (int32)width;
+}
+
+// IntegerHeight
+inline int32
+BSize::IntegerHeight() const
+{
+	return (int32)height;
+}
+
+// IsWidthSet
+inline bool
+BSize::IsWidthSet() const
+{
+	return width != B_SIZE_UNSET;
+}
+
+// IsHeightSet
+inline bool
+BSize::IsHeightSet() const
+{
+	return height != B_SIZE_UNSET;
+}
+
+// ==
+inline bool
+BSize::operator==(const BSize& other) const
+{
+	return (width == other.width && height == other.height);
+}
+
+// !=
+inline bool
+BSize::operator!=(const BSize& other) const
+{
+	return !(*this == other);
+}
+
+// =
+inline BSize&
+BSize::operator=(const BSize& other)
+{
+	width = other.width;
+	height = other.height;
+	return *this;
+}
+
+#endif	// _SIZE_H

headers/os/interface/SpaceLayoutItem.h

@@ -0,0 +1,46 @@
+/*
+ * Copyright 2006, Haiku Inc.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef	_SPACE_LAYOUT_ITEM_H
+#define	_SPACE_LAYOUT_ITEM_H
+
+#include <LayoutItem.h>
+
+
+class BSpaceLayoutItem : public BLayoutItem {
+public:
+								BSpaceLayoutItem(BSize minSize, BSize maxSize,
+									BSize preferredSize, BAlignment alignment);
+	virtual						~BSpaceLayoutItem();
+
+	static	BSpaceLayoutItem*	CreateGlue();
+	static	BSpaceLayoutItem*	CreateHorizontalStrut(float width);
+	static	BSpaceLayoutItem*	CreateVerticalStrut(float height);
+
+	virtual	BSize				MinSize();
+	virtual	BSize				MaxSize();
+	virtual	BSize				PreferredSize();
+	virtual	BAlignment			Alignment();
+
+	virtual	void				SetExplicitMinSize(BSize size);
+	virtual	void				SetExplicitMaxSize(BSize size);
+	virtual	void				SetExplicitPreferredSize(BSize size);
+	virtual	void				SetExplicitAlignment(BAlignment alignment);
+
+	virtual	bool				IsVisible();
+	virtual	void				SetVisible(bool visible);
+
+	virtual	BRect				Frame();
+	virtual	void				SetFrame(BRect frame);
+
+private:
+			BRect				fFrame;
+			BSize				fMinSize;
+			BSize				fMaxSize;
+			BSize				fPreferredSize;
+			BAlignment			fAlignment;
+			bool				fVisible;
+};
+
+#endif	//	_SPACE_LAYOUT_ITEM_H

headers/os/interface/SplitLayoutBuilder.h

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2006, Haiku Inc.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef	_SPLIT_LAYOUT_BUILDER_H
+#define	_SPLIT_LAYOUT_BUILDER_H
+
+#include <SplitView.h>
+
+class BSplitLayoutBuilder {
+public:
+								BSplitLayoutBuilder(
+									enum orientation orientation = B_HORIZONTAL,
+									float spacing = 0.0f);
+								BSplitLayoutBuilder(BSplitView* view);
+
+			BSplitView*			SplitView() const;
+			BSplitLayoutBuilder& GetSplitView(BSplitView** view);
+
+			BSplitLayoutBuilder& Add(BView* view);
+			BSplitLayoutBuilder& Add(BView* view, float weight);
+			BSplitLayoutBuilder& Add(BLayoutItem* item);
+			BSplitLayoutBuilder& Add(BLayoutItem* item, float weight);
+
+			BSplitLayoutBuilder& SetCollapsible(bool collapsible);
+
+								operator BSplitView*();
+
+private:
+			BSplitView*			fView;
+};
+
+#endif	// _SPLIT_LAYOUT_BUILDER_H

headers/os/interface/SplitView.h

@@ -0,0 +1,69 @@
+/*
+ * Copyright 2006, Haiku Inc.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef	_SPLIT_VIEW_H
+#define	_SPLIT_VIEW_H
+
+#include <View.h>
+
+class BSplitLayout;
+
+
+class BSplitView : public BView {
+public:
+								BSplitView(
+									enum orientation orientation = B_HORIZONTAL,
+									float spacing = 0.0f);
+	virtual						~BSplitView();
+
+			float				Spacing() const;
+			void				SetSpacing(float spacing);
+
+			orientation			Orientation() const;
+			void				SetOrientation(enum orientation orientation);
+
+			float				SplitterSize() const;
+			void				SetSplitterSize(float size);
+
+
+			void				SetCollapsible(bool collapsible);
+			void				SetCollapsible(int32 index, bool collapsible);
+			void				SetCollapsible(int32 first, int32 last,
+									bool collapsible);
+
+//			void				AddChild(BView* child);
+			void				AddChild(BView* child, BView* sibling = NULL);
+			bool				AddChild(BView* child, float weight);
+			bool				AddChild(int32 index, BView* child,
+									float weight);
+
+			bool				AddChild(BLayoutItem* child);
+			bool				AddChild(BLayoutItem* child, float weight);
+			bool				AddChild(int32 index, BLayoutItem* child,
+									float weight);
+
+	virtual	void				Draw(BRect updateRect);
+	virtual	void				MouseDown(BPoint where);
+	virtual	void				MouseUp(BPoint where);
+	virtual	void				MouseMoved(BPoint where, uint32 transit,
+									const BMessage* message);
+
+
+	virtual	void				SetLayout(BLayout* layout);
+									// overridden to avoid use
+
+protected:
+	virtual	void				DrawSplitter(BRect frame,
+									enum orientation orientation, bool pressed);
+
+private:
+	static	void				_DrawDefaultSplitter(BView* view, BRect frame,
+									enum orientation orientation, bool pressed);
+
+private:
+			BSplitLayout*		fSplitLayout;
+};
+
+
+#endif	// _SPLIT_VIEW_H

headers/os/interface/StringView.h

@@ -53,6 +53,8 @@ class BStringView : public BView{
 		virtual void		AllDetached();
 		virtual status_t	GetSupportedSuites(BMessage* data);
 
+		virtual	BSize		MaxSize();
+
 	private:
 		virtual status_t	Perform(perform_code d, void* arg);
 		virtual	void		_ReservedStringView1();

headers/os/interface/TextControl.h

@@ -9,6 +9,7 @@
 #include <Control.h>
 #include <TextView.h>
 
+class BLayoutItem;
 class _BTextInput_;
 
 
@@ -19,6 +20,13 @@ class BTextControl : public BControl {
 								BMessage* message,
 								uint32 resizeMode = B_FOLLOW_LEFT | B_FOLLOW_TOP,
 								uint32 flags = B_WILL_DRAW | B_NAVIGABLE); 
+							BTextControl(const char* name,
+								const char* label, const char* initialText,
+								BMessage* message,
+								uint32 flags = B_WILL_DRAW | B_NAVIGABLE); 
+							BTextControl(const char* label,
+								const char* initialText,
+								BMessage* message); 
 		virtual				~BTextControl();
 
 							BTextControl(BMessage* archive);
@@ -68,8 +76,16 @@ class BTextControl : public BControl {
 		virtual status_t	GetSupportedSuites(BMessage* data);
 		virtual void		SetFlags(uint32 flags);
 
+				BLayoutItem* CreateLabelLayoutItem();
+				BLayoutItem* CreateTextViewLayoutItem();
+
 	private:
+		class LabelLayoutItem;
+		class TextViewLayoutItem;
+
 		friend class _BTextInput_;
+		friend class LabelLayoutItem;
+		friend class TextViewLayoutItem;
 
 		virtual status_t	Perform(perform_code d, void* arg);
 
@@ -84,6 +100,8 @@ class BTextControl : public BControl {
 		void				_UpdateTextViewColors(bool enabled);
 		void				_InitData(const char* label, const char* initialText,
 								BMessage* archive = NULL);
+		void				_ValidateLayout();
+		void				_UpdateFrame();
 
 	private:
 		_BTextInput_*		fText;
@@ -93,8 +111,10 @@ class BTextControl : public BControl {
 		float				fDivider;
 		float				fPreviousWidth;
 		float				fPreviousHeight;
+		BLayoutItem*		fLabelLayoutItem;
+		BLayoutItem*		fTextViewLayoutItem;
 
-		uint32				_reserved[6];
+		uint32				_reserved[4];
 
 		bool				fClean;
 		bool				fSkipSetFlags;

headers/os/interface/TwoDimensionalLayout.h

@@ -0,0 +1,93 @@
+/*
+ * Copyright 2006, Haiku Inc.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef	_TWO_DIMENSIONAL_LAYOUT_H
+#define	_TWO_DIMENSIONAL_LAYOUT_H
+
+#include <Layout.h>
+
+class BLayoutContext;
+
+
+class BTwoDimensionalLayout : public BLayout {
+public:
+								BTwoDimensionalLayout();
+	virtual						~BTwoDimensionalLayout();
+
+			void				SetInsets(float left, float top, float right,
+									float bottom);
+			void				GetInsets(float* left, float* top, float* right,
+									float* bottom);
+
+			void				AlignLayoutWith(BTwoDimensionalLayout* other,
+									enum orientation orientation);
+
+	virtual	BSize				MinSize();
+	virtual	BSize				MaxSize();
+	virtual	BSize				PreferredSize();
+	virtual	BAlignment			Alignment();
+
+	virtual	bool				HasHeightForWidth();
+	virtual	void				GetHeightForWidth(float width, float* min,
+									float* max, float* preferred);
+
+	virtual	void				InvalidateLayout();
+
+	virtual	void				LayoutView();
+
+protected:
+			struct ColumnRowConstraints {
+				float	weight;
+				float	min;
+				float	max;
+			};
+
+			struct Dimensions {
+				int32	x;
+				int32	y;
+				int32	width;
+				int32	height;
+			};
+
+			BSize				AddInsets(BSize size);
+			void				AddInsets(float* minHeight, float* maxHeight,
+									float* preferredHeight);
+			BSize				SubtractInsets(BSize size);
+
+	virtual	void				PrepareItems(enum orientation orientation);
+	virtual	bool				HasMultiColumnItems();
+	virtual	bool				HasMultiRowItems();
+	
+	virtual	int32				InternalCountColumns() = 0;
+	virtual	int32				InternalCountRows() = 0;
+	virtual	void				GetColumnRowConstraints(
+									enum orientation orientation,
+									int32 index,
+									ColumnRowConstraints* constraints) = 0;
+	virtual	void	 			GetItemDimensions(BLayoutItem* item,
+									Dimensions* dimensions) = 0;
+
+private:
+			class CompoundLayouter;
+			class LocalLayouter;
+			class VerticalCompoundLayouter;
+
+			friend class LocalLayouter;
+
+			void				_ValidateMinMax();
+			BLayoutContext*		_CurrentLayoutContext();
+
+protected:
+			float				fLeftInset;
+			float				fRightInset;
+			float				fTopInset;
+			float				fBottomInset;
+			float				fHSpacing;
+			float				fVSpacing;
+
+private:
+			LocalLayouter*		fLocalLayouter;
+};
+
+#endif	//	_TWO_DIMENSIONAL_LAYOUT_H

headers/os/interface/View.h

@@ -1,5 +1,5 @@
 /*
- * Copyright 2001-2005, Haiku.
+ * Copyright 2001-2006, Haiku.
  * Distributed under the terms of the MIT License.
  *
  * Authors:
@@ -9,11 +9,13 @@
 #define	_VIEW_H
 
 
+#include <Alignment.h>
 #include <BeBuild.h>
 #include <Font.h>
 #include <Handler.h>
 #include <InterfaceDefs.h>
 #include <Rect.h>
+#include <Size.h>
 
 
 // mouse button
@@ -74,6 +76,8 @@ const uint32 B_SUBPIXEL_PRECISE 		= 0x01000000UL;	/* 24 */
 const uint32 B_DRAW_ON_CHILDREN 		= 0x00800000UL;	/* 23 */
 const uint32 B_INPUT_METHOD_AWARE 		= 0x00400000UL;	/* 23 */
 const uint32 _B_RESERVED7_ 				= 0x00200000UL;	/* 22 */
+const uint32 B_SUPPORTS_LAYOUT			= 0x00100000UL;	/* 21 */
+const uint32 B_INVALIDATE_AFTER_LAYOUT	= 0x00080000UL;	/* 20 */
 
 #define _RESIZE_MASK_ ~(B_FULL_UPDATE_ON_RESIZE | _B_RESERVED1_ | B_WILL_DRAW \
 	| B_PULSE_NEEDED | B_NAVIGABLE_JUMP | B_FRAME_EVENTS | B_NAVIGABLE \
@@ -104,6 +108,9 @@ inline uint32 _rule_(uint32 r1, uint32 r2, uint32 r3, uint32 r4)
 
 class BBitmap;
 class BCursor;
+class BLayout;
+class BLayoutContext;
+class BLayoutItem;
 class BMessage;
 class BPicture;
 class BPolygon;
@@ -125,6 +132,8 @@ namespace BPrivate {
 
 class BView : public BHandler {
 public:
+							BView(const char* name, uint32 flags,
+								BLayout* layout = NULL);
 							BView(BRect frame, const char* name,
 								  uint32 resizeMask, uint32 flags);
 	virtual					~BView();
@@ -141,6 +150,7 @@ public:
 	virtual	void			MessageReceived(BMessage* msg);
 
 			void			AddChild(BView* child, BView* before = NULL);
+			bool			AddChild(BLayoutItem* child);
 			bool			RemoveChild(BView* child);
 			int32			CountChildren() const;
 			BView*			ChildAt(int32 index) const;
@@ -490,31 +500,64 @@ public:
 
 			bool			IsPrinting() const;
 			void			SetScale(float scale) const;
+			float			Scale() const;
+								// new for Haiku
 
-// Private or reserved ---------------------------------------------------------
 	virtual status_t		Perform(perform_code d, void* arg);
 
 	virtual	void			DrawAfterChildren(BRect r);
 
-			float			Scale() const;
+
-								// new for Haiku
+			// layout related
+
+	virtual	BSize			MinSize();
+	virtual	BSize			MaxSize();
+	virtual	BSize			PreferredSize();
+	virtual	BAlignment		Alignment();
+
+			void			SetExplicitMinSize(BSize size);
+			void			SetExplicitMaxSize(BSize size);
+			void			SetExplicitPreferredSize(BSize size);
+			void			SetExplicitAlignment(BAlignment alignment);
+
+			BSize			ExplicitMinSize() const;
+			BSize			ExplicitMaxSize() const;
+			BSize			ExplicitPreferredSize() const;
+			BAlignment		ExplicitAlignment() const;
+
+	virtual	bool			HasHeightForWidth();
+	virtual	void			GetHeightForWidth(float width, float* min,
+								float* max, float* preferred);
+
+	virtual	void			SetLayout(BLayout* layout);
+			BLayout*		GetLayout() const;
+
+			void			InvalidateLayout(bool descendants = false);
+			void			EnableLayoutInvalidation();
+			void			DisableLayoutInvalidation();
+
+			BLayoutContext*	LayoutContext() const;
+
+			void			Layout(bool force);
+			void			Relayout();
+
+protected:
+	virtual	void			DoLayout();
 
 private:
-	friend class BScrollBar;
+			void			_Layout(bool force, BLayoutContext* context);
-	friend class BWindow;
+
+private:
+	struct LayoutData;
+
 	friend class BBitmap;
+	friend class BLayout;
 	friend class BPrintJob;
+	friend class BScrollBar;
 	friend class BShelf;
 	friend class BTabView;
+	friend class BWindow;
 
-	virtual	void			_ReservedView2();
-	virtual	void			_ReservedView3();
-	virtual	void			_ReservedView4();
-	virtual	void			_ReservedView5();
-	virtual	void			_ReservedView6();
-	virtual	void			_ReservedView7();
-	virtual	void			_ReservedView8();
-	virtual	void			_ReservedView9();
 	virtual	void			_ReservedView10();
 	virtual	void			_ReservedView11();
 	virtual	void			_ReservedView12();
@@ -571,6 +614,9 @@ private:
 			bool			_AddChildToList(BView* child, BView* before = NULL);
 			bool			_RemoveChildFromList(BView* child);
 
+			bool			_AddChild(BView *child, BView *before);
+			bool			_RemoveSelf();
+
 			// Debugging methods
 			void 			PrintToStream();
 			void			PrintTree();
@@ -601,7 +647,10 @@ private:
 			BShelf*			fShelf;
 			uint32			fEventMask;
 			uint32			fEventOptions;
-			uint32			_reserved[9];
+
+			LayoutData*		fLayoutData;
+
+			uint32			_reserved[8];
 };
 
 

headers/os/interface/Window.h

@@ -81,6 +81,7 @@ enum {
 	B_ASYNCHRONOUS_CONTROLS		= 0x00080000,
 	B_QUIT_ON_WINDOW_CLOSE		= 0x00100000,
 	B_SAME_POSITION_IN_ALL_WORKSPACES = 0x00200000,
+	B_AUTO_UPDATE_SIZE_LIMITS	= 0x00400000,
 };
 
 #define B_CURRENT_WORKSPACE	0
@@ -257,6 +258,11 @@ public:
 	virtual	bool				QuitRequested();
 	virtual thread_id			Run();
 
+	virtual	void			SetLayout(BLayout* layout);
+			BLayout*		GetLayout() const;
+
+			void			InvalidateLayout(bool descendants = false);
+
 private:
 	typedef BLooper inherited;
 	struct unpack_cookie;

headers/os/support/List.h

@@ -43,8 +43,8 @@ public:
 /* Adding and removing items. */
 	bool AddItem(void *item, int32 index);
 	bool AddItem(void *item);
-	bool AddList(BList *list, int32 index);
+	bool AddList(const BList *list, int32 index);
-	bool AddList(BList *list);
+	bool AddList(const BList *list);
 	bool RemoveItem(void *item);
 	void *RemoveItem(int32 index);
 	bool RemoveItems(int32 index, int32 count);

headers/private/storage/mime/database_support.h

@@ -28,6 +28,7 @@ extern const std::string kApplicationDatabaseDir;
 // Attribute Prefixes
 extern const char *kMiniIconAttrPrefix;
 extern const char *kLargeIconAttrPrefix; 
+extern const char *kIconAttrPrefix; 
 	
 // Attribute names
 extern const char *kFileTypeAttr;
@@ -39,6 +40,7 @@ extern const char *kLongDescriptionAttr;
 extern const char *kFileExtensionsAttr;
 extern const char *kMiniIconAttr;
 extern const char *kLargeIconAttr;
+extern const char *kIconAttr;
 extern const char *kPreferredAppAttr;
 extern const char *kSnifferRuleAttr;
 extern const char *kSupportedTypesAttr;
@@ -53,6 +55,7 @@ extern const int32 kLongDescriptionType;
 extern const int32 kFileExtensionsType;
 extern const int32 kMiniIconType;
 extern const int32 kLargeIconType;
+extern const int32 kIconType;
 extern const int32 kPreferredAppType;
 extern const int32 kSnifferRuleType;
 extern const int32 kSupportedTypesType;

src/kits/Jamfile

@@ -33,6 +33,11 @@ SharedLibrary libbe.so :
 	<libbe>storage_diskdevice_kit.o
 	<libbe>support_kit.o
 
+	libqoca.so
+
+	libicon.a
+	libagg.a
+
 	libroot.so	# make sure it links against our libroot.so
 	$(TARGET_LIBSTDC++)
 ;
@@ -64,6 +69,11 @@ SharedLibrary libbe_haiku.so :
 	<libbe>storage_kit.o
 	<libbe>support_kit.o
 
+	libqoca.so
+
+	libicon.a
+	libagg.a
+
 	libbeadapter.so
 	net
 	$(TARGET_LIBSTDC++)

src/kits/app/DesktopLink.cpp

@@ -7,6 +7,8 @@
  */
 
 
+#include <unistd.h>
+
 #include <DesktopLink.h>
 #include <ServerProtocol.h>
 

src/kits/game/DirectWindow.cpp

@@ -275,8 +275,9 @@ BDirectWindow::SetFullScreen(bool enable)
 		fLink->Attach<bool>(enable);
 
 		if (fLink->FlushWithReply(status) == B_OK
-			&& status == B_OK)
+			&& status == B_OK) {
 			fIsFullScreen = enable;
+		}
 		Unlock();
 	}
 	return status;
@@ -303,6 +304,8 @@ BDirectWindow::SupportsWindowMode(screen_id id)
 	// TODO: Apparently, the above is false for the vesa driver,
 	// but enabling it doesn't do any harm... maybe we should just return always true.
 	// At least, I can't see why window mode shouldn't be supported.
+	// additional NOTE: it probably depends on wether hardware cursor is supported or
+	// not
 	return true;
 }
 

src/kits/interface/AbstractLayoutItem.cpp

@@ -0,0 +1,107 @@
+/*
+ * Copyright 2006, Ingo Weinhold <[email protected]>.
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+
+#include <AbstractLayoutItem.h>
+
+#include <LayoutUtils.h>
+
+
+// constructor
+BAbstractLayoutItem::BAbstractLayoutItem()
+	: fMinSize(),
+	  fMaxSize(),
+	  fPreferredSize(),
+	  fAlignment()
+{
+}
+
+// destructor
+BAbstractLayoutItem::~BAbstractLayoutItem()
+{
+}
+
+// MinSize
+BSize
+BAbstractLayoutItem::MinSize()
+{
+	return BLayoutUtils::ComposeSize(fMinSize, BaseMinSize());
+}
+
+// MaxSize
+BSize
+BAbstractLayoutItem::MaxSize()
+{
+	return BLayoutUtils::ComposeSize(fMaxSize, BaseMaxSize());
+}
+
+// PreferredSize
+BSize
+BAbstractLayoutItem::PreferredSize()
+{
+	return BLayoutUtils::ComposeSize(fMaxSize, BaseMaxSize());
+}
+
+// Alignment
+BAlignment
+BAbstractLayoutItem::Alignment()
+{
+	return BLayoutUtils::ComposeAlignment(fAlignment, BaseAlignment());
+}
+
+// SetExplicitMinSize
+void
+BAbstractLayoutItem::SetExplicitMinSize(BSize size)
+{
+	fMinSize = size;
+}
+
+// SetExplicitMaxSize
+void
+BAbstractLayoutItem::SetExplicitMaxSize(BSize size)
+{
+	fMaxSize = size;
+}
+
+// SetExplicitPreferredSize
+void
+BAbstractLayoutItem::SetExplicitPreferredSize(BSize size)
+{
+	fPreferredSize = size;
+}
+
+// SetExplicitAlignment
+void
+BAbstractLayoutItem::SetExplicitAlignment(BAlignment alignment)
+{
+	fAlignment = alignment;
+}
+
+// BaseMinSize
+BSize
+BAbstractLayoutItem::BaseMinSize()
+{
+	return BSize(0, 0);
+}
+
+// BaseMaxSize
+BSize
+BAbstractLayoutItem::BaseMaxSize()
+{
+	return BSize(B_SIZE_UNLIMITED, B_SIZE_UNLIMITED);
+}
+
+// BasePreferredSize
+BSize
+BAbstractLayoutItem::BasePreferredSize()
+{
+	return BSize(0, 0);
+}
+
+// BaseAlignment
+BAlignment
+BAbstractLayoutItem::BaseAlignment()
+{
+	return BAlignment(B_ALIGN_HORIZONTAL_CENTER, B_ALIGN_VERTICAL_CENTER);
+}

src/kits/interface/Alignment.cpp

@@ -0,0 +1,40 @@
+/*
+ * Copyright 2006, Ingo Weinhold <[email protected]>.
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+
+#include <Alignment.h>
+
+// RelativeHorizontal
+float
+BAlignment::RelativeHorizontal() const
+{
+	switch (horizontal) {
+		case B_ALIGN_LEFT:
+			return 0;
+		case B_ALIGN_RIGHT:
+			return 1;
+		case B_ALIGN_HORIZONTAL_CENTER:
+			return 0.5f;
+
+		default:
+			return (float)horizontal;
+	}
+}
+
+// RelativeVertical
+float
+BAlignment::RelativeVertical() const
+{
+	switch (vertical) {
+		case B_ALIGN_TOP:
+			return 0;
+		case B_ALIGN_BOTTOM:
+			return 1;
+		case B_ALIGN_VERTICAL_CENTER:
+			return 0.5f;
+
+		default:
+			return (float)vertical;
+	}
+}

src/kits/interface/Button.cpp

@@ -12,7 +12,9 @@
 
 
 #include <Button.h>
+
 #include <Font.h>
+#include <LayoutUtils.h>
 #include <String.h>
 #include <Window.h>
 
@@ -31,6 +33,35 @@ BButton::BButton(BRect frame, const char *name, const char *label, BMessage *mes
 }
 
 
+BButton::BButton(const char* name, const char* label, BMessage *message,
+				 uint32 flags)
+	:	BControl(BRect(0, 0, -1, -1), name, label, message, B_FOLLOW_NONE,
+			flags | B_WILL_DRAW | B_SUPPORTS_LAYOUT),
+		fDrawAsDefault(false)
+{
+	// Resize to minimum height if needed
+	font_height fh;
+	GetFontHeight(&fh);
+	float minHeight = 12.0f + (float)ceil(fh.ascent + fh.descent);
+	if (Bounds().Height() < minHeight)
+		ResizeTo(Bounds().Width(), minHeight);
+}
+
+
+BButton::BButton(const char* label, BMessage *message)
+	:	BControl(BRect(0, 0, -1, -1), NULL, label, message, B_FOLLOW_NONE,
+			B_WILL_DRAW | B_NAVIGABLE | B_SUPPORTS_LAYOUT),
+		fDrawAsDefault(false)
+{
+	// Resize to minimum height if needed
+	font_height fh;
+	GetFontHeight(&fh);
+	float minHeight = 12.0f + (float)ceil(fh.ascent + fh.descent);
+	if (Bounds().Height() < minHeight)
+		ResizeTo(Bounds().Width(), minHeight);
+}
+
+
 BButton::~BButton()
 {
 }
@@ -690,6 +721,16 @@ BButton::Perform(perform_code d, void *arg)
 }
 
 
+BSize
+BButton::MaxSize()
+{
+	float width, height;
+	GetPreferredSize(&width, &height);
+
+	return BLayoutUtils::ComposeSize(ExplicitMaxSize(), BSize(width, height));
+}
+
+
 void BButton::_ReservedButton1() {}
 void BButton::_ReservedButton2() {}
 void BButton::_ReservedButton3() {}

src/kits/interface/CardLayout.cpp

@@ -0,0 +1,236 @@
+/*
+ * Copyright 2006, Ingo Weinhold <[email protected]>.
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+
+#include <CardLayout.h>
+
+#include <LayoutItem.h>
+#include <View.h>
+
+// constructor
+BCardLayout::BCardLayout()
+	: BLayout(),
+	  fMin(0, 0),
+	  fMax(B_SIZE_UNLIMITED, B_SIZE_UNLIMITED),
+	  fPreferred(0, 0),
+	  fVisibleItem(NULL),
+	  fMinMaxValid(false)
+{
+}
+
+// destructor
+BCardLayout::~BCardLayout()
+{
+}
+
+// VisibleItem
+BLayoutItem*
+BCardLayout::VisibleItem() const
+{
+	return fVisibleItem;
+}
+
+// VisibleIndex
+int32
+BCardLayout::VisibleIndex() const
+{
+	return IndexOfItem(fVisibleItem);
+}
+
+// SetVisibleItem
+void
+BCardLayout::SetVisibleItem(int32 index)
+{
+	SetVisibleItem(ItemAt(index));
+}
+
+// SetVisibleItem
+void
+BCardLayout::SetVisibleItem(BLayoutItem* item)
+{
+	if (item == fVisibleItem)
+		return;
+
+	if (item != NULL && IndexOfItem(item) < 0)
+		return;
+	
+	if (fVisibleItem != NULL)
+		fVisibleItem->SetVisible(false);
+
+	fVisibleItem = item;
+
+	if (fVisibleItem != NULL) {
+		fVisibleItem->SetVisible(true);
+
+		LayoutView();
+	}
+}
+
+// MinSize
+BSize
+BCardLayout::MinSize()
+{
+	_ValidateMinMax();
+	return fMin;
+}
+
+// MaxSize
+BSize
+BCardLayout::MaxSize()
+{
+	_ValidateMinMax();
+	return fMax;
+}
+
+// PreferredSize
+BSize
+BCardLayout::PreferredSize()
+{
+	_ValidateMinMax();
+	return fPreferred;
+}
+
+// Alignment
+BAlignment
+BCardLayout::Alignment()
+{
+	return BAlignment(B_ALIGN_USE_FULL_WIDTH, B_ALIGN_USE_FULL_HEIGHT);
+}
+
+// HasHeightForWidth
+bool
+BCardLayout::HasHeightForWidth()
+{
+	int32 count = CountItems();
+	for (int32 i = 0; i < count; i++) {
+		if (ItemAt(i)->HasHeightForWidth())
+			return true;
+	}
+	
+	return false;
+}
+
+// GetHeightForWidth
+void
+BCardLayout::GetHeightForWidth(float width, float* min, float* max,
+	float* preferred)
+{
+	_ValidateMinMax();
+
+	// init with useful values
+	float minHeight = fMin.height;
+	float maxHeight = fMax.height;
+	float preferredHeight = fPreferred.height;
+
+	// apply the items' constraints
+	int32 count = CountItems();
+	for (int32 i = 0; i < count; i++) {
+		BLayoutItem* item = ItemAt(i);
+		if (item->HasHeightForWidth()) {
+			float itemMinHeight;
+			float itemMaxHeight;
+			float itemPreferredHeight;
+			item->GetHeightForWidth(width, &itemMinHeight, &itemMaxHeight,
+				&itemPreferredHeight);
+			minHeight = max_c(minHeight, itemMinHeight);
+			maxHeight = min_c(maxHeight, itemMaxHeight);
+			preferredHeight = min_c(preferredHeight, itemPreferredHeight);
+		}
+	}
+
+	// adjust max and preferred, if necessary
+	maxHeight = max_c(maxHeight, minHeight);
+	preferredHeight = max_c(preferredHeight, minHeight);
+	preferredHeight = min_c(preferredHeight, maxHeight);
+
+	if (min)
+		*min = minHeight;
+	if (max)
+		*max = maxHeight;
+	if (preferred)
+		*preferred = preferredHeight;
+}
+
+// InvalidateLayout
+void
+BCardLayout::InvalidateLayout()
+{
+	BLayout::InvalidateLayout();
+	
+	fMinMaxValid = false;
+}
+
+// LayoutView
+void
+BCardLayout::LayoutView()
+{
+	_ValidateMinMax();
+
+	BSize size = BSize(View()->Bounds());
+	size.width = max_c(size.width, fMin.width);
+	size.height = max_c(size.height, fMin.height);
+
+	if (fVisibleItem != NULL)
+		fVisibleItem->AlignInFrame(BRect(0, 0, size.width, size.height));
+}
+
+// ItemAdded
+void
+BCardLayout::ItemAdded(BLayoutItem* item)
+{
+	item->SetVisible(false);
+}
+
+// ItemRemoved
+void
+BCardLayout::ItemRemoved(BLayoutItem* item)
+{
+	if (fVisibleItem == item) {
+		BLayoutItem* newVisibleItem = NULL;
+		SetVisibleItem(newVisibleItem);
+	}
+}
+
+// _ValidateMinMax
+void
+BCardLayout::_ValidateMinMax()
+{
+	if (fMinMaxValid)
+		return;
+
+	fMin.width = 0;
+	fMin.height = 0;
+	fMax.width = B_SIZE_UNLIMITED;
+	fMax.height = B_SIZE_UNLIMITED;
+	fPreferred.width = 0;
+	fPreferred.height = 0;
+
+	int32 itemCount = CountItems();
+	for (int32 i = 0; i < itemCount; i++) {
+		BLayoutItem* item = ItemAt(i);
+
+		BSize min = item->MinSize();
+		BSize max = item->MaxSize();
+		BSize preferred = item->PreferredSize();
+
+		fMin.width = max_c(fMin.width, min.width);
+		fMin.height = max_c(fMin.height, min.height);
+
+		fMax.width = min_c(fMax.width, max.width);
+		fMax.height = min_c(fMax.height, max.height);
+
+		fPreferred.width = max_c(fPreferred.width, preferred.width);
+		fPreferred.height = max_c(fPreferred.height, preferred.height);
+	}
+
+	fMax.width = max_c(fMax.width, fMin.width);
+	fMax.height = max_c(fMax.height, fMin.height);
+
+	fPreferred.width = max_c(fPreferred.width, fMin.width);
+	fPreferred.height = max_c(fPreferred.height, fMin.height);
+	fPreferred.width = min_c(fPreferred.width, fMax.width);
+	fPreferred.height = min_c(fPreferred.height, fMax.height);
+	
+	fMinMaxValid = true;
+}

src/kits/interface/ColorControl.cpp

@@ -200,6 +200,15 @@ BColorControl::Archive(BMessage *archive, bool deep) const
 }
 
 
+void
+BColorControl::SetLayout(BLayout* layout)
+{
+	// We need to implement this method, since we have another SetLayout()
+	// method and C++ has this special method hiding "feature".
+	BControl::SetLayout(layout);
+}
+
+
 void
 BColorControl::SetValue(int32 value)
 {

src/kits/interface/Control.cpp

@@ -283,6 +283,7 @@ BControl::SetLabel(const char *label)
 	free(fLabel);
 	fLabel = label ? strdup(label) : NULL;
 
+	InvalidateLayout();
 	Invalidate();
 }
 

src/kits/interface/GridLayout.cpp

@@ -0,0 +1,586 @@
+/*
+ * Copyright 2006, Ingo Weinhold <[email protected]>.
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+
+#include <GridLayout.h>
+
+#include <algorithm>
+#include <new>
+
+#include <LayoutItem.h>
+#include <List.h>
+
+#include "ViewLayoutItem.h"
+
+
+enum {	
+	MAX_COLUMN_ROW_COUNT	= 1024,
+};
+
+// a placeholder we put in our grid array to make a cell occupied
+static BLayoutItem* const OCCUPIED_GRID_CELL = (BLayoutItem*)0x1;
+
+
+// ItemLayoutData
+struct BGridLayout::ItemLayoutData {
+	Dimensions	dimensions;
+
+	ItemLayoutData()
+	{
+		dimensions.x = 0;
+		dimensions.y = 0;
+		dimensions.width = 1;
+		dimensions.height = 1;
+	}
+};
+
+// RowInfoArray
+class BGridLayout::RowInfoArray {
+public:
+
+	RowInfoArray()
+	{
+	}
+
+	~RowInfoArray()
+	{
+		for (int32 i = 0; Info* info = (Info*)fInfos.ItemAt(i); i++)
+			delete info;
+	}
+
+	int32 Count() const
+	{
+		return fInfos.CountItems();
+	}
+
+	float Weight(int32 index) const
+	{
+		if (Info* info = _InfoAt(index))
+			return info->weight;
+		return 1;
+	}
+			
+	void SetWeight(int32 index, float weight)
+	{
+		if (Info* info = _InfoAt(index, true))
+			info->weight = weight;
+	}
+
+	float MinSize(int32 index) const
+	{
+		if (Info* info = _InfoAt(index))
+			return info->minSize;
+		return -1;
+	}
+
+	void SetMinSize(int32 index, float size)
+	{
+		if (Info* info = _InfoAt(index, true))
+			info->minSize = size;
+	}
+
+	float MaxSize(int32 index) const
+	{
+		if (Info* info = _InfoAt(index))
+			return info->maxSize;
+		return B_SIZE_UNLIMITED;
+	}
+
+	void SetMaxSize(int32 index, float size)
+	{
+		if (Info* info = _InfoAt(index, true))
+			info->maxSize = size;
+	}
+
+private:
+	struct Info {
+		float	weight;
+		float	minSize;
+		float	maxSize;
+	};
+
+	Info* _InfoAt(int32 index) const
+	{
+		return (Info*)fInfos.ItemAt(index);
+	}
+
+	Info* _InfoAt(int32 index, bool resize)
+	{
+		if (index < 0 || index >= MAX_COLUMN_ROW_COUNT)
+			return NULL;
+
+		// resize, if necessary and desired
+		int32 count = Count();
+		if (index >= count) {
+			if (!resize)
+				return NULL;
+
+			for (int32 i = count; i <= index; i++) {
+				Info* info = new Info;
+				info->weight = 1;
+				info->minSize = 0;
+				info->maxSize = B_SIZE_UNLIMITED;
+			}
+		}
+	
+		return _InfoAt(index);
+	}
+
+	BList		fInfos;
+};
+
+
+// constructor
+BGridLayout::BGridLayout(float horizontal, float vertical)
+	: fGrid(NULL),
+	  fColumnCount(0),
+	  fRowCount(0),
+	  fRowInfos(new RowInfoArray),
+	  fColumnInfos(new RowInfoArray),
+	  fMultiColumnItems(0),
+	  fMultiRowItems(0)
+{
+	SetSpacing(horizontal, vertical);
+}
+
+// destructor
+BGridLayout::~BGridLayout()
+{
+	delete fRowInfos;
+	delete fColumnInfos;
+}
+
+// HorizontalSpacing
+float
+BGridLayout::HorizontalSpacing() const
+{
+	return fHSpacing;
+}
+
+// VerticalSpacing
+float
+BGridLayout::VerticalSpacing() const
+{
+	return fVSpacing;
+}
+
+// SetHorizontalSpacing
+void
+BGridLayout::SetHorizontalSpacing(float spacing)
+{
+	if (spacing != fHSpacing) {
+		fHSpacing = spacing;
+
+		InvalidateLayout();
+	}
+}
+
+// SetVerticalSpacing
+void
+BGridLayout::SetVerticalSpacing(float spacing)
+{
+	if (spacing != fVSpacing) {
+		fVSpacing = spacing;
+
+		InvalidateLayout();
+	}
+}
+
+// SetSpacing
+void
+BGridLayout::SetSpacing(float horizontal, float vertical)
+{
+	if (horizontal != fHSpacing || vertical != fVSpacing) {
+		fHSpacing = horizontal;
+		fVSpacing = vertical;
+
+		InvalidateLayout();
+	}
+}
+
+// ColumnWeight
+float
+BGridLayout::ColumnWeight(int32 column) const
+{
+	return fColumnInfos->Weight(column);
+}
+
+// SetColumnWeight
+void
+BGridLayout::SetColumnWeight(int32 column, float weight)
+{
+	fColumnInfos->SetWeight(column, weight);
+}
+
+// MinColumnWidth
+float
+BGridLayout::MinColumnWidth(int32 column) const
+{
+	return fColumnInfos->MinSize(column);
+}
+
+// SetMinColumnWidth
+void
+BGridLayout::SetMinColumnWidth(int32 column, float width)
+{
+	fColumnInfos->SetMinSize(column, width);
+}
+
+// MaxColumnWidth
+float
+BGridLayout::MaxColumnWidth(int32 column) const
+{
+	return fColumnInfos->MaxSize(column);
+}
+	
+// SetMaxColumnWidth
+void
+BGridLayout::SetMaxColumnWidth(int32 column, float width)
+{
+	fColumnInfos->SetMaxSize(column, width);
+}
+
+// RowWeight
+float
+BGridLayout::RowWeight(int32 row) const
+{
+	return fRowInfos->Weight(row);
+}
+
+// SetRowWeight
+void
+BGridLayout::SetRowWeight(int32 row, float weight)
+{
+	fRowInfos->SetWeight(row, weight);
+}
+
+// MinRowHeight
+float
+BGridLayout::MinRowHeight(int row) const
+{
+	return fRowInfos->MinSize(row);
+}
+
+// SetMinRowHeight
+void
+BGridLayout::SetMinRowHeight(int32 row, float height)
+{
+	fRowInfos->SetMinSize(row, height);
+}
+
+// MaxRowHeight
+float
+BGridLayout::MaxRowHeight(int32 row) const
+{
+	return fRowInfos->MaxSize(row);
+}
+
+// SetMaxRowHeight
+void
+BGridLayout::SetMaxRowHeight(int32 row, float height)
+{
+	fRowInfos->SetMaxSize(row, height);
+}
+
+// AddView
+BLayoutItem*
+BGridLayout::AddView(BView* child)
+{
+	return BTwoDimensionalLayout::AddView(child);
+}
+
+// AddView
+BLayoutItem*
+BGridLayout::AddView(int32 index, BView* child)
+{
+	return BTwoDimensionalLayout::AddView(index, child);
+}
+
+// AddView
+BLayoutItem*
+BGridLayout::AddView(BView* child, int32 column, int32 row, int32 columnCount,
+	int32 rowCount)
+{
+	if (!child)
+		return NULL;
+
+	BLayoutItem* item = new BViewLayoutItem(child);
+	if (!AddItem(item, column, row, columnCount, rowCount)) {
+		delete item;
+		return NULL;
+	}
+
+	return item;
+}
+
+// AddItem
+bool
+BGridLayout::AddItem(BLayoutItem* item)
+{
+	// find a free spot
+	for (int32 row = 0; row < fRowCount; row++) {
+		for (int32 column = 0; column < fColumnCount; column++) {
+			if (_IsGridCellEmpty(row, column))
+				return AddItem(item, column, row, 1, 1);
+		}
+	}
+
+	// no free spot, start a new column
+	return AddItem(item, fColumnCount, 0, 1, 1);
+}
+
+// AddItem
+bool
+BGridLayout::AddItem(int32 index, BLayoutItem* item)
+{
+	return AddItem(index, item);
+}
+
+// AddItem
+bool
+BGridLayout::AddItem(BLayoutItem* item, int32 column, int32 row,
+	int32 columnCount, int32 rowCount)
+{
+	if (!_AreGridCellsEmpty(column, row, columnCount, rowCount))
+		return false;
+	
+	bool success = BTwoDimensionalLayout::AddItem(-1, item);
+	if (!success)
+		return false;
+
+	// set item dimensions
+	if (ItemLayoutData* data = _LayoutDataForItem(item)) {
+		data->dimensions.x = column;
+		data->dimensions.y = row;
+		data->dimensions.width = columnCount;
+		data->dimensions.height = rowCount;
+	}
+
+	// resize the grid, if necessary
+	int32 newColumnCount = max_c(fColumnCount, column + columnCount);
+	int32 newRowCount = max_c(fRowCount, row + rowCount);
+	if (newColumnCount > fColumnCount || newRowCount > fRowCount) {
+		if (!_ResizeGrid(newColumnCount, newRowCount)) {
+			RemoveItem(item);
+			return false;
+		}
+	}
+
+	// enter the item in the grid
+	for (int32 x = 0; x < columnCount; x++) {
+		for (int32 y = 0; y < rowCount; y++) {
+			if (x == 0 && y == 0)
+				fGrid[column + x][row + y] = item;
+			else
+				fGrid[column + x][row + y] = OCCUPIED_GRID_CELL;
+		}
+	}
+
+	if (columnCount > 1)
+		fMultiColumnItems++;
+	if (rowCount > 1)
+		fMultiRowItems++;
+	
+	return success;
+}
+
+// ItemAdded
+void
+BGridLayout::ItemAdded(BLayoutItem* item)
+{
+	item->SetLayoutData(new ItemLayoutData);
+}
+
+// ItemRemoved
+void
+BGridLayout::ItemRemoved(BLayoutItem* item)
+{
+	ItemLayoutData* data = _LayoutDataForItem(item);
+// TODO: Once ItemAdded() returns a bool, we can remove this check.
+	if (!data)
+		return;
+
+	Dimensions itemDimensions = data->dimensions;
+	item->SetLayoutData(NULL);
+	delete data;
+
+	if (itemDimensions.width > 1)
+		fMultiColumnItems--;
+	if (itemDimensions.height > 1)
+		fMultiRowItems--;
+	
+	// remove the item from the grid
+	for (int x = 0; x < itemDimensions.width; x++) {
+		for (int y = 0; y < itemDimensions.height; y++)
+			fGrid[itemDimensions.x + x][itemDimensions.y + y] = NULL;
+	}
+	
+	// check whether we can shrink the grid
+	if (itemDimensions.x + itemDimensions.width == fColumnCount
+		|| itemDimensions.y + itemDimensions.height == fRowCount) {
+		int32 columnCount = fColumnCount;
+		int32 rowCount = fRowCount;
+
+		// check for empty columns
+		bool empty = false;
+		for (; columnCount > 0; columnCount--) {
+			for (int32 row = 0; empty && row < rowCount; row++)
+				empty &= (fGrid[columnCount - 1][row] == NULL);
+
+			if (!empty)
+				break;
+		}
+
+		// check for empty rows
+		empty = false;
+		for (; rowCount > 0; rowCount--) {
+			for (int32 column = 0; empty && column < columnCount; column++)
+				empty &= (fGrid[column][rowCount - 1] == NULL);
+
+			if (!empty)
+				break;
+		}
+
+		// resize the grid
+		if (columnCount != fColumnCount || rowCount != fRowCount)
+			_ResizeGrid(columnCount, rowCount);
+	}
+}
+
+// HasMultiColumnItems
+bool
+BGridLayout::HasMultiColumnItems()
+{
+	return (fMultiColumnItems > 0);
+}
+
+// HasMultiRowItems
+bool
+BGridLayout::HasMultiRowItems()
+{
+	return (fMultiRowItems > 0);
+}
+
+// InternalCountColumns
+int32
+BGridLayout::InternalCountColumns()
+{
+	return fColumnCount;
+}
+
+// InternalCountRows
+int32
+BGridLayout::InternalCountRows()
+{
+	return fRowCount;
+}
+
+// GetColumnRowConstraints
+void
+BGridLayout::GetColumnRowConstraints(enum orientation orientation, int32 index,
+	ColumnRowConstraints* constraints)
+{
+	if (orientation == B_HORIZONTAL) {
+		constraints->min = MinColumnWidth(index);
+		constraints->max = MaxColumnWidth(index);
+		constraints->weight = ColumnWeight(index);
+	} else {
+		constraints->min = MinRowHeight(index);
+		constraints->max = MaxRowHeight(index);
+		constraints->weight = RowWeight(index);
+	}
+}
+
+// GetItemDimensions
+void
+BGridLayout::GetItemDimensions(BLayoutItem* item, Dimensions* dimensions)
+{
+	if (ItemLayoutData* data = _LayoutDataForItem(item))
+		*dimensions = data->dimensions;
+}
+
+// _IsGridCellEmpty
+bool
+BGridLayout::_IsGridCellEmpty(int32 column, int32 row)
+{
+	if (column < 0 || row < 0)
+		return false;
+	if (column >= fColumnCount || row >= fRowCount)
+		return true;
+
+	return (fGrid[column][row] == NULL);
+}
+
+// _AreGridCellsEmpty
+bool
+BGridLayout::_AreGridCellsEmpty(int32 column, int32 row, int32 columnCount,
+	int32 rowCount)
+{
+	if (column < 0 || row < 0)
+		return false;
+	int32 toColumn = min_c(column + columnCount, fColumnCount);
+	int32 toRow = min_c(row + rowCount, fRowCount);
+
+	for (int32 x = column; x < toColumn; x++) {
+		for (int32 y = row; y < toRow; y++) {
+			if (fGrid[x][y] != NULL)
+				return false;
+		}
+	}
+
+	return true;
+}
+
+// _ResizeGrid
+bool
+BGridLayout::_ResizeGrid(int32 columnCount, int32 rowCount)
+{
+	if (columnCount == fColumnCount && rowCount == fRowCount)
+		return true;
+
+	int32 rowsToKeep = min_c(rowCount, fRowCount);
+
+	// allocate new grid
+	BLayoutItem*** grid = new(nothrow) BLayoutItem**[columnCount];
+	if (!grid)
+		return false;
+	memset(grid, 0, sizeof(BLayoutItem**) * columnCount);
+
+	bool success = true;
+	for (int32 i = 0; i < columnCount; i++) {
+		BLayoutItem** column = new(nothrow) BLayoutItem*[rowCount];
+		if (!column) {
+			success = false;
+			break;
+		}
+		grid[i] = column;
+
+		memset(column, 0, sizeof(BLayoutItem*) * rowCount);
+		if (i < fColumnCount && rowsToKeep > 0)
+			memcpy(column, fGrid[i], sizeof(BLayoutItem*) * rowsToKeep);
+	}
+
+	// if everything went fine, set the new grid
+	if (success) {
+		swap(grid, fGrid);
+		swap(columnCount, fColumnCount);
+		swap(rowCount, fRowCount);
+	}
+
+	// delete the old, respectively on error the partially created grid
+	for (int32 i = 0; i < columnCount; i++)
+		delete grid[i];
+	delete[] grid;
+
+	return success;
+}
+
+// _LayoutDataForItem
+BGridLayout::ItemLayoutData*
+BGridLayout::_LayoutDataForItem(BLayoutItem* item) const
+{
+	if (!item)
+		return NULL;
+	return (ItemLayoutData*)item->LayoutData();
+}

src/kits/interface/GridLayoutBuilder.cpp

@@ -0,0 +1,111 @@
+/*
+ * Copyright 2006, Ingo Weinhold <[email protected]>.
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+
+#include <GridLayoutBuilder.h>
+
+#include <new>
+
+#include <SpaceLayoutItem.h>
+
+
+using std::nothrow;
+
+
+// constructor
+BGridLayoutBuilder::BGridLayoutBuilder(float horizontalSpacing,
+		float verticalSpacing)
+	: fLayout((new BGridView(horizontalSpacing, verticalSpacing))
+					->GridLayout())
+{
+}
+
+// constructor
+BGridLayoutBuilder::BGridLayoutBuilder(BGridLayout* layout)
+	: fLayout(layout)
+{
+}
+
+
+// constructor
+BGridLayoutBuilder::BGridLayoutBuilder(BGridView* view)
+	: fLayout(view->GridLayout())
+{
+}
+
+// GridLayout
+BGridLayout*
+BGridLayoutBuilder::GridLayout() const
+{
+	return fLayout;
+}
+
+// View
+BView*
+BGridLayoutBuilder::View() const
+{
+	return fLayout->View();
+}
+
+// GetGridLayout
+BGridLayoutBuilder&
+BGridLayoutBuilder::GetGridLayout(BGridLayout** _layout)
+{
+	*_layout = fLayout;
+	return *this;
+}
+
+// GetView
+BGridLayoutBuilder&
+BGridLayoutBuilder::GetView(BView** _view)
+{
+	*_view = fLayout->View();
+	return *this;
+}
+
+// Add
+BGridLayoutBuilder&
+BGridLayoutBuilder::Add(BView* view, int32 column, int32 row,
+	int32 columnCount, int32 rowCount)
+{
+	fLayout->AddView(view, column, row, columnCount, rowCount);
+	return *this;
+}
+
+// Add
+BGridLayoutBuilder&
+BGridLayoutBuilder::Add(BLayoutItem* item, int32 column, int32 row,
+	int32 columnCount, int32 rowCount)
+{
+	fLayout->AddItem(item, column, row, columnCount, rowCount);
+	return *this;
+}
+
+// SetColumnWeight
+BGridLayoutBuilder&
+BGridLayoutBuilder::SetColumnWeight(int32 column, float weight)
+{
+	fLayout->SetColumnWeight(column, weight);
+	return *this;
+}
+
+// SetRowWeight
+BGridLayoutBuilder&
+BGridLayoutBuilder::SetRowWeight(int32 row, float weight)
+{
+	fLayout->SetRowWeight(row, weight);
+	return *this;
+}
+
+// cast operator BGridLayout*
+BGridLayoutBuilder::operator BGridLayout*()
+{
+	return fLayout;
+}
+
+// cast operator BView*
+BGridLayoutBuilder::operator BView*()
+{
+	return fLayout->View();
+}

src/kits/interface/GridView.cpp

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2006, Ingo Weinhold <[email protected]>.
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+
+#include <GridView.h>
+
+
+// constructor
+BGridView::BGridView(float horizontalSpacing, float verticalSpacing)
+	: BView(NULL, 0, new BGridLayout(horizontalSpacing, verticalSpacing))
+{
+	SetViewColor(ui_color(B_PANEL_BACKGROUND_COLOR));
+}
+
+// destructor
+BGridView::~BGridView()
+{
+}
+
+// SetLayout
+void
+BGridView::SetLayout(BLayout* layout)
+{
+	// only BGridLayouts are allowed
+	if (!dynamic_cast<BGridLayout*>(layout))
+		return;
+
+	BView::SetLayout(layout);
+}
+
+// GridLayout
+BGridLayout*
+BGridView::GridLayout() const
+{
+	return dynamic_cast<BGridLayout*>(GetLayout());
+}

src/kits/interface/GroupLayout.cpp

@@ -0,0 +1,249 @@
+/*
+ * Copyright 2006, Ingo Weinhold <[email protected]>.
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+
+#include <GroupLayout.h>
+
+#include <LayoutItem.h>
+
+
+// ItemLayoutData
+struct BGroupLayout::ItemLayoutData {
+	float	weight;
+
+	ItemLayoutData()
+		: weight(1)
+	{
+	}
+};
+
+// constructor
+BGroupLayout::BGroupLayout(enum orientation orientation, float spacing)
+	: BTwoDimensionalLayout(),
+	  fOrientation(orientation)
+{
+	SetSpacing(spacing);
+}
+
+// destructor
+BGroupLayout::~BGroupLayout()
+{
+}
+
+// Spacing
+float
+BGroupLayout::Spacing() const
+{
+	return fHSpacing;
+}
+
+// SetSpacing
+void
+BGroupLayout::SetSpacing(float spacing)
+{
+	if (spacing != fHSpacing) {
+		fHSpacing = spacing;
+		fVSpacing = spacing;
+		InvalidateLayout();
+	}
+}
+
+// Orientation
+orientation
+BGroupLayout::Orientation() const
+{
+	return fOrientation;
+}
+
+// SetOrientation
+void
+BGroupLayout::SetOrientation(enum orientation orientation)
+{
+	if (orientation != fOrientation) {
+		fOrientation = orientation;
+
+		InvalidateLayout();
+	}
+}
+
+// ItemWeight
+float
+BGroupLayout::ItemWeight(int32 index) const
+{
+	if (index < 0 || index >= CountItems())
+		return 0;
+
+	ItemLayoutData* data = _LayoutDataForItem(ItemAt(index));
+	return (data ? data->weight : 0);
+}
+
+// SetItemWeight
+void
+BGroupLayout::SetItemWeight(int32 index, float weight)
+{
+	if (index < 0 || index >= CountItems())
+		return;
+
+	if (ItemLayoutData* data = _LayoutDataForItem(ItemAt(index)))
+		data->weight = weight;
+
+	InvalidateLayout();
+}
+
+// AddView	
+BLayoutItem*
+BGroupLayout::AddView(BView* child)
+{
+	return BTwoDimensionalLayout::AddView(child);
+}
+
+// AddView	
+BLayoutItem*
+BGroupLayout::AddView(int32 index, BView* child)
+{
+	return BTwoDimensionalLayout::AddView(index, child);
+}
+
+// AddView	
+BLayoutItem*
+BGroupLayout::AddView(BView* child, float weight)
+{
+	return AddView(-1, child, weight);
+}
+
+// AddView
+BLayoutItem*
+BGroupLayout::AddView(int32 index, BView* child, float weight)
+{
+	BLayoutItem* item = AddView(index, child);
+	if (ItemLayoutData* data = _LayoutDataForItem(item))
+		data->weight = weight;
+
+	return item;
+}
+
+// AddItem
+bool
+BGroupLayout::AddItem(BLayoutItem* item)
+{
+	return BTwoDimensionalLayout::AddItem(item);
+}
+
+// AddItem
+bool
+BGroupLayout::AddItem(int32 index, BLayoutItem* item)
+{
+	return BTwoDimensionalLayout::AddItem(index, item);
+}
+
+// AddItem
+bool
+BGroupLayout::AddItem(BLayoutItem* item, float weight)
+{
+	return AddItem(-1, item, weight);
+}
+
+// AddItem
+bool
+BGroupLayout::AddItem(int32 index, BLayoutItem* item, float weight)
+{
+	bool success = AddItem(index, item);
+	if (success) {
+		if (ItemLayoutData* data = _LayoutDataForItem(item))
+			data->weight = weight;
+	}
+
+	return success;
+}
+
+// ItemAdded
+void
+BGroupLayout::ItemAdded(BLayoutItem* item)
+{
+	item->SetLayoutData(new ItemLayoutData);
+}
+
+// ItemRemoved
+void
+BGroupLayout::ItemRemoved(BLayoutItem* item)
+{
+	if (ItemLayoutData* data = _LayoutDataForItem(item)) {
+		item->SetLayoutData(NULL);
+		delete data;
+	}
+}
+
+// PrepareItems
+void
+BGroupLayout::PrepareItems(enum orientation orientation)
+{
+	// filter the visible items
+	fVisibleItems.MakeEmpty();
+	int32 itemCount = CountItems();
+	for (int i = 0; i < itemCount; i++) {
+		BLayoutItem* item = ItemAt(i);
+		if (item->IsVisible())
+			fVisibleItems.AddItem(item);
+	}
+}
+
+// InternalCountColumns	
+int32
+BGroupLayout::InternalCountColumns()
+{
+	return (fOrientation == B_HORIZONTAL ? fVisibleItems.CountItems() : 1);
+}
+
+// InternalCountRows
+int32
+BGroupLayout::InternalCountRows()
+{
+	return (fOrientation == B_VERTICAL ? fVisibleItems.CountItems() : 1);
+}
+
+// GetColumnRowConstraints
+void
+BGroupLayout::GetColumnRowConstraints(enum orientation orientation, int32 index,
+	ColumnRowConstraints* constraints)
+{
+	if (index >= 0 && index < fVisibleItems.CountItems()) {
+		BLayoutItem* item = (BLayoutItem*)fVisibleItems.ItemAt(index);
+		constraints->min = -1;
+		constraints->max = B_SIZE_UNLIMITED;
+		if (ItemLayoutData* data = _LayoutDataForItem(item))
+			constraints->weight = data->weight;
+		else
+			constraints->weight = 1;
+	}
+}
+
+// ItemDimensions
+void
+BGroupLayout::GetItemDimensions(BLayoutItem* item, Dimensions* dimensions)
+{
+	int32 index = fVisibleItems.IndexOf(item);
+	if (index < 0)
+		return;
+
+	if (fOrientation == B_HORIZONTAL) {
+		dimensions->x = index;
+		dimensions->y = 0;
+		dimensions->width = 1;
+		dimensions->height = 1;
+	} else {
+		dimensions->x = 0;
+		dimensions->y = index;
+		dimensions->width = 1;
+		dimensions->height = 1;
+	}
+}
+
+// _LayoutDataForItem
+BGroupLayout::ItemLayoutData*
+BGroupLayout::_LayoutDataForItem(BLayoutItem* item) const
+{
+	if (!item)
+		return NULL;
+	return (ItemLayoutData*)item->LayoutData();
+}

src/kits/interface/GroupLayoutBuilder.cpp

@@ -0,0 +1,187 @@
+/*
+ * Copyright 2006, Ingo Weinhold <bonefish@cs.tu-berlin.de>.
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+
+#include <GroupLayoutBuilder.h>
+
+#include <new>
+
+#include <SpaceLayoutItem.h>
+
+
+using std::nothrow;
+
+
+// constructor
+BGroupLayoutBuilder::BGroupLayoutBuilder(enum orientation orientation,
+	float spacing)
+	: fRootLayout((new BGroupView(orientation, spacing))->GroupLayout())
+{
+	_PushLayout(fRootLayout);
+}
+
+// constructor
+BGroupLayoutBuilder::BGroupLayoutBuilder(BGroupLayout* layout)
+	: fRootLayout(layout)
+{
+	_PushLayout(fRootLayout);
+}
+
+
+// constructor
+BGroupLayoutBuilder::BGroupLayoutBuilder(BGroupView* view)
+	: fRootLayout(view->GroupLayout())
+{
+	_PushLayout(fRootLayout);
+}
+
+// RootLayout
+BGroupLayout*
+BGroupLayoutBuilder::RootLayout() const
+{
+	return fRootLayout;
+}
+
+// TopLayout
+BGroupLayout*
+BGroupLayoutBuilder::TopLayout() const
+{
+	int32 count = fLayoutStack.CountItems();
+	return (count > 0
+		? (BGroupLayout*)fLayoutStack.ItemAt(count - 1) : NULL);
+}
+
+// GetTopLayout
+BGroupLayoutBuilder&
+BGroupLayoutBuilder::GetTopLayout(BGroupLayout** _layout)
+{
+	*_layout = TopLayout();
+	return *this;
+}
+
+// GetTopView
+BGroupLayoutBuilder&
+BGroupLayoutBuilder::GetTopView(BView** _view)
+{
+	if (BGroupLayout* layout = TopLayout())
+		*_view = layout->View();
+	else
+		*_view = NULL;
+
+	return *this;
+}
+
+// Add
+BGroupLayoutBuilder&
+BGroupLayoutBuilder::Add(BView* view)
+{
+	if (BGroupLayout* layout = TopLayout())
+		layout->AddView(view);
+	return *this;
+}
+
+// Add
+BGroupLayoutBuilder&
+BGroupLayoutBuilder::Add(BView* view, float weight)
+{
+	if (BGroupLayout* layout = TopLayout())
+		layout->AddView(view, weight);
+	return *this;
+}
+
+// Add
+BGroupLayoutBuilder&
+BGroupLayoutBuilder::Add(BLayoutItem* item)
+{
+	if (BGroupLayout* layout = TopLayout())
+		layout->AddItem(item);
+	return *this;
+}
+
+// Add
+BGroupLayoutBuilder&
+BGroupLayoutBuilder::Add(BLayoutItem* item, float weight)
+{
+	if (BGroupLayout* layout = TopLayout())
+		layout->AddItem(item, weight);
+	return *this;
+}
+
+// AddGroup
+BGroupLayoutBuilder&
+BGroupLayoutBuilder::AddGroup(enum orientation orientation,
+	float spacing = 0.0f, float weight = 1.0f)
+{
+	if (BGroupLayout* layout = TopLayout()) {
+		BGroupView* group = new(nothrow) BGroupView(orientation, spacing);
+		if (group) {
+			if (layout->AddView(group, weight))
+				_PushLayout(group->GroupLayout());
+			else
+				delete group;
+		}
+	}
+
+	return *this;
+}
+
+// End
+BGroupLayoutBuilder&
+BGroupLayoutBuilder::End()
+{
+	_PopLayout();
+	return *this;
+}
+
+// AddGlue
+BGroupLayoutBuilder&
+BGroupLayoutBuilder::AddGlue(float weight = 1.0f)
+{
+	if (BGroupLayout* layout = TopLayout())
+		layout->AddItem(BSpaceLayoutItem::CreateGlue(), weight);
+
+	return *this;
+}
+
+// AddStrut
+BGroupLayoutBuilder&
+BGroupLayoutBuilder::AddStrut(float size)
+{
+	if (BGroupLayout* layout = TopLayout()) {
+		if (layout->Orientation() == B_HORIZONTAL)
+			layout->AddItem(BSpaceLayoutItem::CreateHorizontalStrut(size));
+		else
+			layout->AddItem(BSpaceLayoutItem::CreateVerticalStrut(size));
+	}
+
+	return *this;
+}
+
+// cast operator BGroupLayout*
+BGroupLayoutBuilder::operator BGroupLayout*()
+{
+	return fRootLayout;
+}
+
+// cast operator BView*
+BGroupLayoutBuilder::operator BView*()
+{
+	return fRootLayout->View();
+}
+
+// _PushLayout
+bool
+BGroupLayoutBuilder::_PushLayout(BGroupLayout* layout)
+{
+	return fLayoutStack.AddItem(layout);
+}
+
+// _PopLayout
+void
+BGroupLayoutBuilder::_PopLayout()
+{
+	int32 count = fLayoutStack.CountItems();
+	if (count > 0)
+		fLayoutStack.RemoveItem(count - 1);
+}

src/kits/interface/GroupView.cpp

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2006, Ingo Weinhold <bonefish@cs.tu-berlin.de>.
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+
+#include <GroupView.h>
+
+
+// constructor
+BGroupView::BGroupView(enum orientation orientation, float spacing)
+	: BView(NULL, 0, new BGroupLayout(orientation, spacing))
+{
+	SetViewColor(ui_color(B_PANEL_BACKGROUND_COLOR));
+}
+
+// destructor
+BGroupView::~BGroupView()
+{
+}
+
+// SetLayout
+void
+BGroupView::SetLayout(BLayout* layout)
+{
+	// only BGroupLayouts are allowed
+	if (!dynamic_cast<BGroupLayout*>(layout))
+		return;
+
+	BView::SetLayout(layout);
+}
+
+// GroupLayout
+BGroupLayout*
+BGroupView::GroupLayout() const
+{
+	return dynamic_cast<BGroupLayout*>(GetLayout());
+}

src/kits/interface/Jamfile

@@ -27,14 +27,23 @@ SetSubDirSupportedPlatforms haiku libbe_test ;
 
 UsePrivateHeaders app input interface shared tracker ;
 
+# qoca headers
+SubDirSysHdrs $(SUBDIR) ;
+SubDirHdrs [ FDirName $(SUBDIR) qoca ] ;
+
+
 SEARCH_SOURCE += [ FDirName $(SUBDIR) BTextView ] ;
+SEARCH_SOURCE += [ FDirName $(SUBDIR) layouter ] ;
 
 MergeObject <libbe>interface_kit.o :
+	AbstractLayoutItem.cpp
 	Alert.cpp
+	Alignment.cpp
 	Bitmap.cpp
 	BMCPrivate.cpp
 	Box.cpp
 	Button.cpp
+	CardLayout.cpp
 	ChannelControl.cpp
 	ChannelSlider.cpp
 	CheckBox.cpp
@@ -48,8 +57,18 @@ MergeObject <libbe>interface_kit.o :
 	Dragger.cpp
 	Font.cpp
 	GraphicsDefs.cpp
+	GridLayout.cpp
+	GridLayoutBuilder.cpp
+	GridView.cpp
+	GroupLayout.cpp
+	GroupLayoutBuilder.cpp
+	GroupView.cpp
 	Input.cpp
 	InterfaceDefs.cpp
+	Layout.cpp
+	LayoutContext.cpp
+	LayoutItem.cpp
+	LayoutUtils.cpp
 	ListItem.cpp
 	ListView.cpp
 	Menu.cpp
@@ -77,14 +96,21 @@ MergeObject <libbe>interface_kit.o :
 	SeparatorItem.cpp
 	Shape.cpp
 	Shelf.cpp
+	Size.cpp
 	Slider.cpp
+	SpaceLayoutItem.cpp
+	SplitLayout.cpp
+	SplitLayoutBuilder.cpp
+	SplitView.cpp
 	StatusBar.cpp
 	StringView.cpp
 	TabView.cpp
 	TextControl.cpp
 	TextInput.cpp
 	TPicture.cpp
+	TwoDimensionalLayout.cpp
 	View.cpp
+	ViewLayoutItem.cpp
 	Window.cpp
 	ZombieReplicantView.cpp
 
@@ -96,4 +122,12 @@ MergeObject <libbe>interface_kit.o :
 	TextView.cpp
 	UndoBuffer.cpp
 	WidthBuffer.cpp
+
+	# layouter
+	ConstraintSolverLayouter.cpp
+	Layouter.cpp
+	OneElementLayouter.cpp
+	SimpleLayouter.cpp
 ;
+
+SubInclude HAIKU_TOP src kits interface qoca ;

src/kits/interface/Layout.cpp

@@ -0,0 +1,204 @@
+/*
+ * Copyright 2006, Ingo Weinhold <bonefish@cs.tu-berlin.de>.
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+
+#include <Layout.h>
+
+#include <new>
+
+#include <View.h>
+
+#include "ViewLayoutItem.h"
+
+using std::nothrow;
+
+
+// constructor
+BLayout::BLayout()
+	: fView(NULL),
+	  fItems(20)
+{
+}
+
+// destructor
+BLayout::~BLayout()
+{
+	// this deletes all items
+	SetView(NULL);
+}
+
+// View
+BView*
+BLayout::View() const
+{
+	return fView;
+}
+
+// AddView
+BLayoutItem*
+BLayout::AddView(BView* child)
+{
+	return AddView(-1, child);
+}
+
+// AddView
+BLayoutItem*
+BLayout::AddView(int32 index, BView* child)
+{
+	if (BViewLayoutItem* item = new(nothrow) BViewLayoutItem(child)) {
+		if (AddItem(index, item))
+			return item;
+		delete item;
+	}
+	return NULL;
+}
+
+// AddItem
+bool
+BLayout::AddItem(BLayoutItem* item)
+{
+	return AddItem(-1, item);
+}
+
+// AddItem
+bool
+BLayout::AddItem(int32 index, BLayoutItem* item)
+{
+	if (!fView || !item || fItems.HasItem(item))
+		return false;
+	
+	// if the item refers to a BView, we make sure, it is added to the parent
+	// view
+	BView* view = item->View();
+	if (view && view->fParent != fView && !fView->_AddChild(view, NULL))
+		return false;
+
+	// validate the index
+	if (index < 0 || index > fItems.CountItems())
+		index = fItems.CountItems();
+
+	fItems.AddItem(item, index);
+	ItemAdded(item);
+	item->SetLayout(this);
+	InvalidateLayout();
+
+	return true;
+}
+
+// RemoveView
+bool
+BLayout::RemoveView(BView* child)
+{
+	int32 index = IndexOfView(child);
+	if (index >= 0) {
+		if (BLayoutItem* item = RemoveItem(index)) {
+			delete item;
+			return true;
+		}
+	}
+
+	return false;
+}
+
+// RemoveItem
+bool
+BLayout::RemoveItem(BLayoutItem* item)
+{
+	int32 index = IndexOfItem(item);
+	return (index >= 0 ? RemoveItem(index) : false);
+}
+
+// RemoveItem
+BLayoutItem*
+BLayout::RemoveItem(int32 index)
+{
+	if (index < 0 || index >= fItems.CountItems())
+		return NULL;
+
+	BLayoutItem* item = (BLayoutItem*)fItems.RemoveItem(index);
+
+	// if the item refers to a BView, we make sure, it is removed from the
+	// parent view
+	BView* view = item->View();
+	if (view && view->fParent == fView)
+		view->_RemoveSelf();
+
+	item->SetLayout(NULL);
+	ItemRemoved(item);
+	InvalidateLayout();
+
+	return item;
+}
+
+// ItemAt
+BLayoutItem*
+BLayout::ItemAt(int32 index) const
+{
+	return (BLayoutItem*)fItems.ItemAt(index);
+}
+
+// CountItems
+int32
+BLayout::CountItems() const
+{
+	return fItems.CountItems();
+}
+
+// IndexOfItem
+int32
+BLayout::IndexOfItem(BLayoutItem* item) const
+{
+	return fItems.IndexOf(item);
+}
+
+// IndexOfView
+int32
+BLayout::IndexOfView(BView* child) const
+{
+	int itemCount = fItems.CountItems();
+	for (int32 i = 0; i < itemCount; i++) {
+		BLayoutItem* item = (BLayoutItem*)fItems.ItemAt(i);
+		if (dynamic_cast<BViewLayoutItem*>(item) && item->View() == child)
+			return i;
+	}
+
+	return -1;
+}
+
+// InvalidateLayout
+void
+BLayout::InvalidateLayout()
+{
+	if (fView)
+		fView->InvalidateLayout();
+}
+
+// ItemAdded
+void
+BLayout::ItemAdded(BLayoutItem* item)
+{
+}
+
+// ItemRemoved
+void
+BLayout::ItemRemoved(BLayoutItem* item)
+{
+}
+
+// SetView
+void
+BLayout::SetView(BView* view)
+{
+	if (view != fView) {
+		fView = NULL;
+
+		// remove and delete all items
+		for (int32 i = CountItems() - 1; i >= 0; i--)
+			delete RemoveItem(i);
+
+		fView = view;
+
+		InvalidateLayout();
+	}
+}

src/kits/interface/LayoutContext.cpp

@@ -0,0 +1,54 @@
+/*
+ * Copyright 2006, Ingo Weinhold <bonefish@cs.tu-berlin.de>.
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+
+#include <LayoutContext.h>
+
+
+// constructor
+BLayoutContextListener::BLayoutContextListener()
+{
+}
+
+// destructor
+BLayoutContextListener::~BLayoutContextListener()
+{
+}
+
+
+// #pragma mark -
+
+
+// constructor
+BLayoutContext::BLayoutContext()
+{
+}
+
+// destructor
+BLayoutContext::~BLayoutContext()
+{
+	// notify the listeners
+	for (int32 i = 0;
+		 BLayoutContextListener* listener
+		 	= (BLayoutContextListener*)fListeners.ItemAt(i);
+		 i++) {
+		listener->LayoutContextLeft(this);
+	}
+}
+
+// AddListener
+void
+BLayoutContext::AddListener(BLayoutContextListener* listener)
+{
+	if (listener)
+		fListeners.AddItem(listener);
+}
+
+// RemoveListener
+void
+BLayoutContext::RemoveListener(BLayoutContextListener* listener)
+{
+	if (listener)
+		fListeners.RemoveItem(listener);
+}

src/kits/interface/LayoutItem.cpp

@@ -0,0 +1,109 @@
+/*
+ * Copyright 2006, Ingo Weinhold <bonefish@cs.tu-berlin.de>.
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+
+#include <LayoutItem.h>
+
+#include <Layout.h>
+#include <LayoutUtils.h>
+
+
+// constructor
+BLayoutItem::BLayoutItem()
+	: fLayout(NULL),
+	  fLayoutData(NULL)
+{
+}
+
+// destructor
+BLayoutItem::~BLayoutItem()
+{
+}
+
+// Layout
+BLayout*
+BLayoutItem::Layout() const
+{
+	return fLayout;
+}
+
+// HasHeightForWidth
+bool
+BLayoutItem::HasHeightForWidth()
+{
+	// no "height for width" by default
+	return false;
+}
+
+// GetHeightForWidth
+void
+BLayoutItem::GetHeightForWidth(float width, float* min, float* max,
+	float* preferred)
+{
+	// no "height for width" by default
+}
+
+// View
+BView*
+BLayoutItem::View()
+{
+	return NULL;
+}
+
+// InvalidateLayout
+void
+BLayoutItem::InvalidateLayout()
+{
+	if (fLayout)
+		fLayout->InvalidateLayout();
+}
+
+// LayoutData
+void*
+BLayoutItem::LayoutData() const
+{
+	return fLayoutData;
+}
+
+// SetLayoutData
+void
+BLayoutItem::SetLayoutData(void* data)
+{
+	fLayoutData = data;
+}
+
+// AlignInFrame
+void
+BLayoutItem::AlignInFrame(BRect frame)
+{
+	BSize maxSize = MaxSize();
+	BAlignment alignment = Alignment();
+
+	if (HasHeightForWidth()) {
+		// The item has height for width, so we do the horizontal alignment
+		// ourselves and restrict the height max constraint respectively.
+		if (maxSize.width < frame.Width()
+			&& alignment.horizontal != B_ALIGN_USE_FULL_WIDTH) {
+			frame.left += (int)((frame.Width() - maxSize.width)
+				* alignment.horizontal);
+			frame.right = frame.left + maxSize.width;
+		}
+		alignment.horizontal = B_ALIGN_USE_FULL_WIDTH;
+
+		float minHeight;
+		GetHeightForWidth(frame.Width(), &minHeight, NULL, NULL);
+		
+		frame.bottom = frame.top + max_c(frame.Height(), minHeight);
+		maxSize.height = minHeight;
+	}
+
+	SetFrame(BLayoutUtils::AlignInFrame(frame, maxSize, alignment));
+}
+
+// SetLayout
+void
+BLayoutItem::SetLayout(BLayout* layout)
+{
+	fLayout = layout;
+}

src/kits/interface/LayoutUtils.cpp

@@ -0,0 +1,167 @@
+/*
+ * Copyright 2006, Ingo Weinhold <bonefish@cs.tu-berlin.de>.
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+
+#include <LayoutUtils.h>
+
+
+// // AddSizesFloat
+// float
+// BLayoutUtils::AddSizesFloat(float a, float b)
+// {
+// 	float sum = a + b + 1;
+// 	if (sum >= B_SIZE_UNLIMITED)
+// 		return B_SIZE_UNLIMITED;
+// 	
+// 	return sum;
+// }
+// 
+// // AddSizesFloat
+// float
+// BLayoutUtils::AddSizesFloat(float a, float b, float c)
+// {
+// 	return AddSizesFloat(AddSizesFloat(a, b), c);
+// }
+
+// AddSizesInt32
+int32
+BLayoutUtils::AddSizesInt32(int32 a, int32 b)
+{
+	if (a >= B_SIZE_UNLIMITED - b)
+		return B_SIZE_UNLIMITED;
+	return a + b;
+}
+
+// AddSizesInt32
+int32
+BLayoutUtils::AddSizesInt32(int32 a, int32 b, int32 c)
+{
+	return AddSizesInt32(AddSizesInt32(a, b), c);
+}
+
+// AddDistances
+float
+BLayoutUtils::AddDistances(float a, float b)
+{
+	float sum = a + b + 1;
+	if (sum >= B_SIZE_UNLIMITED)
+		return B_SIZE_UNLIMITED;
+	
+	return sum;
+}
+
+// AddDistances
+float
+BLayoutUtils::AddDistances(float a, float b, float c)
+{
+	return AddDistances(AddDistances(a, b), c);
+}
+
+// // SubtractSizesFloat
+// float
+// BLayoutUtils::SubtractSizesFloat(float a, float b)
+// {
+// 	if (a < b)
+// 		return -1;
+// 	return a - b - 1;
+// }
+
+// SubtractSizesInt32
+int32
+BLayoutUtils::SubtractSizesInt32(int32 a, int32 b)
+{
+	if (a < b)
+		return 0;
+	return a - b;
+}
+
+// SubtractDistances
+float
+BLayoutUtils::SubtractDistances(float a, float b)
+{
+	if (a < b)
+		return -1;
+	return a - b - 1;
+}
+
+// ComposeSize	
+BSize
+BLayoutUtils::ComposeSize(BSize size, BSize layoutSize)
+{
+	if (!size.IsWidthSet())
+		size.width = layoutSize.width;
+	if (!size.IsHeightSet())
+		size.height = layoutSize.height;
+
+	return size;
+}
+
+// ComposeAlignment
+BAlignment
+BLayoutUtils::ComposeAlignment(BAlignment alignment, BAlignment layoutAlignment)
+{
+	if (!alignment.IsHorizontalSet())
+		alignment.horizontal = layoutAlignment.horizontal;
+	if (!alignment.IsVerticalSet())
+		alignment.vertical = layoutAlignment.vertical;
+
+	return alignment;
+}
+
+// AlignInFrame
+BRect
+BLayoutUtils::AlignInFrame(BRect frame, BSize maxSize, BAlignment alignment)
+{
+	// align according to the given alignment
+	if (maxSize.width < frame.Width()
+		&& alignment.horizontal != B_ALIGN_USE_FULL_WIDTH) {
+		frame.left += (int)((frame.Width() - maxSize.width)
+			* alignment.RelativeHorizontal());
+		frame.right = frame.left + maxSize.width;
+	}
+	if (maxSize.height < frame.Height()
+		&& alignment.vertical != B_ALIGN_USE_FULL_HEIGHT) {
+		frame.top += (int)((frame.Height() - maxSize.height)
+			* alignment.RelativeVertical());
+		frame.bottom = frame.top + maxSize.height;
+	}
+
+	return frame;
+}
+
+// AlignInFrame
+void
+BLayoutUtils::AlignInFrame(BView* view, BRect frame)
+{
+// TODO:...
+// 	BSize maxSize = view->MaxSize();
+// 	BAlignment alignment = view->Alignment();
+// 
+// 	if (view->HasHeightForWidth()) {
+// 		// The view has height for width, so we do the horizontal alignment
+// 		// ourselves and restrict the height max constraint respectively.
+// 
+// 		if (maxSize.width < frame.width
+// 			&& alignment.horizontal != B_ALIGN_USE_FULL_WIDTH) {
+// 			frame.x += (int)((frame.width - maxSize.width)
+// 				* alignment.RelativeHorizontal());
+// 			frame.width = maxSize.width;
+// 		}
+// 		alignment.horizontal = BAlignment.B_ALIGN_USE_FULL_WIDTH;
+// 
+// 		float minHeight;
+// 		float maxHeight;
+// 		float preferredHeight;
+// 		view->GetHeightForWidth(frame.width, &minHeight, &maxHeight,
+// 			&preferredHeight);
+// 		
+// 		frame.height = max_c(frame.height, info.min);
+// 		maxSize.height = minHeight;
+// 	}
+// 
+// 	frame = AlignInFrame(frame, maxSize, alignment);
+// 	view->SetLocation(frame.x, frame.y);
+// 	view->SetSize(frame.getSize());
+}
+

src/kits/interface/ListView.cpp

@@ -13,6 +13,7 @@
 #include <ListView.h>
 
 #include <Autolock.h>
+#include <LayoutUtils.h>
 #include <PropertyInfo.h>
 #include <ScrollBar.h>
 #include <ScrollView.h>
@@ -1092,6 +1093,24 @@ BListView::AllDetached()
 	BView::AllDetached();
 }
 
+BSize
+BListView::MinSize()
+{
+	// We need a stable min size: the BView implementation uses
+	// GetPreferredSize(), which by default just returns the current size.
+	return BLayoutUtils::ComposeSize(ExplicitMinSize(), BSize(10, 10));
+}
+
+
+BSize
+BListView::PreferredSize()
+{
+	// We need a stable preferred size: the BView implementation uses
+	// GetPreferredSize(), which by default just returns the current size.
+	return BLayoutUtils::ComposeSize(ExplicitPreferredSize(), BSize(100, 50));
+}
+
+
 // DoMiscellaneous
 bool
 BListView::DoMiscellaneous(MiscCode code, MiscData *data)

src/kits/interface/MenuBar.cpp

@@ -7,9 +7,11 @@
  *		Stefano Ceccherini (burton666@libero.it)
  */
 
+#include <MenuBar.h>
+
 #include <Application.h>
 #include <Autolock.h>
-#include <MenuBar.h>
+#include <LayoutUtils.h>
 #include <MenuItem.h>
 #include <Window.h>
 
@@ -297,6 +299,21 @@ BMenuBar::Perform(perform_code d, void *arg)
 }
 
 
+BSize
+BMenuBar::MaxSize()
+{
+	// TODO: cache the result
+	float width, height;
+	GetPreferredSize(&width, &height);
+
+	return BLayoutUtils::ComposeSize(ExplicitMaxSize(),
+		BSize(B_SIZE_UNLIMITED, height));
+}
+
+
+// #pragma mark -
+
+
 void BMenuBar::_ReservedMenuBar1() {}
 void BMenuBar::_ReservedMenuBar2() {}
 void BMenuBar::_ReservedMenuBar3() {}

src/kits/interface/MenuField.cpp

@@ -5,11 +5,14 @@
  * Authors:
  *		Marc Flerackers (mflerackers@androme.be)
  *		Stephan Aßmus <superstippi@gmx.de>
+ *		Ingo Weinhold <bonefish@cs.tu-berlin.de>
  */
 
 #include <stdlib.h>
 #include <string.h>
 
+#include <AbstractLayoutItem.h>
+#include <LayoutUtils.h>
 #include <MenuBar.h>
 #include <MenuField.h>
 #include <Message.h>
@@ -17,6 +20,55 @@
 #include <Window.h>
 
 
+class BMenuField::LabelLayoutItem : public BAbstractLayoutItem {
+public:
+								LabelLayoutItem(BMenuField* parent);
+
+	virtual	bool				IsVisible();
+	virtual	void				SetVisible(bool visible);
+
+	virtual	BRect				Frame();
+	virtual	void				SetFrame(BRect frame);
+
+	virtual	BView*				View();
+
+	virtual	BSize				BaseMinSize();
+	virtual	BSize				BaseMaxSize();
+	virtual	BSize				BasePreferredSize();
+	virtual	BAlignment			BaseAlignment();
+
+private:
+			BMenuField*			fParent;
+			BRect				fFrame;
+};
+
+
+class BMenuField::MenuBarLayoutItem : public BAbstractLayoutItem {
+public:
+								MenuBarLayoutItem(BMenuField* parent);
+
+	virtual	bool				IsVisible();
+	virtual	void				SetVisible(bool visible);
+
+	virtual	BRect				Frame();
+	virtual	void				SetFrame(BRect frame);
+
+	virtual	BView*				View();
+
+	virtual	BSize				BaseMinSize();
+	virtual	BSize				BaseMaxSize();
+	virtual	BSize				BasePreferredSize();
+	virtual	BAlignment			BaseAlignment();
+
+private:
+			BMenuField*			fParent;
+			BRect				fFrame;
+};
+
+
+// #pragma mark -
+
+
 static float kVMargin = 2.0f;
 
 
@@ -25,19 +77,9 @@ BMenuField::BMenuField(BRect frame, const char *name, const char *label,
 	: BView(frame, name, resize, flags)
 {
 	InitObject(label);
-	SetFont(be_plain_font);
-	fMenu = menu;
-	InitMenu(menu);
 
 	frame.OffsetTo(B_ORIGIN);
-	fMenuBar = new _BMCMenuBar_(BRect(frame.left + fDivider + 1,
+	_InitMenuBar(menu, frame, false);
-		frame.top + kVMargin, frame.right, frame.bottom - kVMargin),
-		false, this);
-
-	AddChild(fMenuBar);
-	fMenuBar->AddItem(menu);
-
-	fMenuBar->SetFont(be_plain_font);
 
 	InitObject2();
 }
@@ -48,21 +90,37 @@ BMenuField::BMenuField(BRect frame, const char *name, const char *label,
 	: BView(frame, name, resize, flags)
 {
 	InitObject(label);
-	SetFont(be_plain_font);
-	fMenu = menu;
-	InitMenu(menu);
 
 	fFixedSizeMB = fixedSize;
 
 	frame.OffsetTo(B_ORIGIN);
-	fMenuBar = new _BMCMenuBar_(BRect(frame.left + fDivider + 1,
+	_InitMenuBar(menu, frame, fixedSize);
-		frame.top + kVMargin, frame.right, frame.bottom - kVMargin),
-		fixedSize, this);
 
-	AddChild(fMenuBar);
+	InitObject2();
-	fMenuBar->AddItem(menu);
+}
 
-	fMenuBar->SetFont(be_plain_font);
+
+BMenuField::BMenuField(const char* name, const char* label, BMenu* menu,
+					   BMessage* message, uint32 flags)
+	: BView(BRect(0, 0, -1, -1), name, B_FOLLOW_NONE,
+			flags | B_FRAME_EVENTS | B_SUPPORTS_LAYOUT)
+{
+	InitObject(label);
+
+	_InitMenuBar(menu, BRect(0, 0, 100, 15), false);
+
+	InitObject2();
+}
+
+
+BMenuField::BMenuField(const char* label,
+					   BMenu* menu, BMessage* message)
+	: BView(BRect(0, 0, -1, -1), NULL, B_FOLLOW_NONE,
+			B_WILL_DRAW | B_NAVIGABLE | B_FRAME_EVENTS | B_SUPPORTS_LAYOUT)
+{
+	InitObject(label);
+
+	_InitMenuBar(menu, BRect(0, 0, 100, 15), false);
 
 	InitObject2();
 }
@@ -371,6 +429,8 @@ BMenuField::SetLabel(const char *label)
 		if (fLabel)
 			fStringWidth = StringWidth(fLabel);
 	}
+
+	InvalidateLayout();
 }
 
 
@@ -430,8 +490,23 @@ BMenuField::SetDivider(float divider)
 
 	fDivider = divider;
 
-	MenuBar()->MoveBy(-dx, 0.0f);
+	BRect dirty(fMenuBar->Frame());
-	MenuBar()->ResizeBy(dx, 0.0f);
+
+	fMenuBar->MoveTo(fDivider + 1, kVMargin);
+
+	if (fFixedSizeMB) {
+		fMenuBar->ResizeTo(Bounds().Width() - fDivider + 1 - 2,
+						   dirty.Height());
+	}
+
+	dirty = dirty | fMenuBar->Frame();
+
+	dirty.left -= 1;
+	dirty.top -= 1;
+	dirty.right += 2;
+	dirty.bottom += 2;
+
+	Invalidate(dirty);
 }
 
 
@@ -525,6 +600,24 @@ BMenuField::GetPreferredSize(float *_width, float *_height)
 }
 
 
+BLayoutItem*
+BMenuField::CreateLabelLayoutItem()
+{
+	if (!fLabelLayoutItem)
+		fLabelLayoutItem = new LabelLayoutItem(this);
+	return fLabelLayoutItem;
+}
+
+
+BLayoutItem*
+BMenuField::CreateMenuBarLayoutItem()
+{
+	if (!fMenuBarLayoutItem)
+		fMenuBarLayoutItem = new MenuBarLayoutItem(this);
+	return fMenuBarLayoutItem;
+}
+
+
 status_t
 BMenuField::Perform(perform_code d, void *arg)
 {
@@ -557,6 +650,8 @@ BMenuField::InitObject(const char *label)
 	fTransition = false;
 	fFixedSizeMB = false;
 	fMenuTaskID = -1;
+	fLabelLayoutItem = NULL;
+	fMenuBarLayoutItem = NULL;
 
 	SetLabel(label);
 
@@ -662,3 +757,206 @@ BMenuField::MenuTask(void *arg)
 	return 0;
 }
 
+
+void
+BMenuField::_UpdateFrame()
+{
+	if (fLabelLayoutItem && fMenuBarLayoutItem) {
+		BRect labelFrame = fLabelLayoutItem->Frame();
+		BRect menuFrame = fMenuBarLayoutItem->Frame();
+		MoveTo(labelFrame.left, labelFrame.top);
+		ResizeTo(menuFrame.left + menuFrame.Width() - labelFrame.left,
+			menuFrame.top + menuFrame.Height() - labelFrame.top);
+		SetDivider(menuFrame.left - labelFrame.left);
+	}
+}
+
+
+void
+BMenuField::_InitMenuBar(BMenu* menu, BRect frame, bool fixedSize)
+{
+	fMenu = menu;
+	InitMenu(menu);
+
+	fMenuBar = new _BMCMenuBar_(BRect(frame.left + fDivider + 1,
+		frame.top + kVMargin, frame.right, frame.bottom - kVMargin),
+		fixedSize, this);
+
+	AddChild(fMenuBar);
+	fMenuBar->AddItem(menu);
+
+	fMenuBar->SetFont(be_plain_font);
+}
+
+
+// #pragma mark -
+
+
+BMenuField::LabelLayoutItem::LabelLayoutItem(BMenuField* parent)
+	: fParent(parent),
+	  fFrame()
+{
+}
+
+
+bool
+BMenuField::LabelLayoutItem::IsVisible()
+{
+	return !fParent->IsHidden(fParent);
+}
+
+
+void
+BMenuField::LabelLayoutItem::SetVisible(bool visible)
+{
+	// not allowed
+}
+
+
+BRect
+BMenuField::LabelLayoutItem::Frame()
+{
+	return fFrame;
+}
+
+
+void
+BMenuField::LabelLayoutItem::SetFrame(BRect frame)
+{
+	fFrame = frame;
+	fParent->_UpdateFrame();
+}
+
+
+BView*
+BMenuField::LabelLayoutItem::View()
+{
+	return fParent;
+}
+
+
+BSize
+BMenuField::LabelLayoutItem::BaseMinSize()
+{
+// TODO: Cache the info. Might be too expensive for this call.
+	const char* label = fParent->Label();
+	if (!label)
+		return BSize(-1, -1);
+
+	BSize size;
+	fParent->GetPreferredSize(NULL, &size.height);
+
+	size.width = fParent->StringWidth(label) + 2 * 3 - 1;
+
+	return size;
+}
+
+
+BSize
+BMenuField::LabelLayoutItem::BaseMaxSize()
+{
+	return BaseMinSize();
+}
+
+
+BSize
+BMenuField::LabelLayoutItem::BasePreferredSize()
+{
+	return BaseMinSize();
+}
+
+
+BAlignment
+BMenuField::LabelLayoutItem::BaseAlignment()
+{
+	return BAlignment(B_ALIGN_USE_FULL_WIDTH, B_ALIGN_USE_FULL_HEIGHT);
+}
+
+
+// #pragma mark -
+
+
+BMenuField::MenuBarLayoutItem::MenuBarLayoutItem(BMenuField* parent)
+	: fParent(parent),
+	  fFrame()
+{
+}
+
+
+bool
+BMenuField::MenuBarLayoutItem::IsVisible()
+{
+	return !fParent->IsHidden(fParent);
+}
+
+
+void
+BMenuField::MenuBarLayoutItem::SetVisible(bool visible)
+{
+	// not allowed
+}
+
+
+BRect
+BMenuField::MenuBarLayoutItem::Frame()
+{
+	return fFrame;
+}
+
+
+void
+BMenuField::MenuBarLayoutItem::SetFrame(BRect frame)
+{
+	fFrame = frame;
+	fParent->_UpdateFrame();
+}
+
+
+BView*
+BMenuField::MenuBarLayoutItem::View()
+{
+	return fParent;
+}
+
+
+BSize
+BMenuField::MenuBarLayoutItem::BaseMinSize()
+{
+// TODO: Cache the info. Might be too expensive for this call.
+	BSize size;
+	fParent->fMenuBar->GetPreferredSize(&size.width, &size.height);
+
+	// BMenuField draws additional lines around BMenuBar,
+	// one line on left and top side, two on right and bottom
+	size.width += 3;
+	size.height += 3;
+
+	return size;
+}
+
+
+BSize
+BMenuField::MenuBarLayoutItem::BaseMaxSize()
+{
+	BSize size(BaseMinSize());
+	size.width = B_SIZE_UNLIMITED;
+	return size;
+}
+
+
+BSize
+BMenuField::MenuBarLayoutItem::BasePreferredSize()
+{
+	BSize size(BaseMinSize());
+	// puh, no idea...
+	size.width = 100;
+	return size;
+}
+
+
+BAlignment
+BMenuField::MenuBarLayoutItem::BaseAlignment()
+{
+	return BAlignment(B_ALIGN_USE_FULL_WIDTH, B_ALIGN_USE_FULL_HEIGHT);
+}
+

src/kits/interface/RadioButton.cpp

@@ -13,10 +13,11 @@
 	"multiple choice" control.
 */
 
+#include <RadioButton.h>
 
 #include <Debug.h>
 #include <Box.h>
-#include <RadioButton.h>
+#include <LayoutUtils.h>
 #include <Window.h>
 
 
@@ -35,6 +36,35 @@ BRadioButton::BRadioButton(BRect frame, const char *name, const char *label,
 }
 
 
+BRadioButton::BRadioButton(const char *name, const char *label,
+						   BMessage *message, uint32 flags)
+	: BControl(BRect(0, 0, -1, -1), name, label, message, B_FOLLOW_NONE,
+		flags | B_SUPPORTS_LAYOUT),
+	fOutlined(false)
+{
+	// Resize to minimum height if needed
+	font_height fontHeight;
+	GetFontHeight(&fontHeight);
+	float minHeight = ceilf(6.0f + fontHeight.ascent + fontHeight.descent);
+	if (Bounds().Height() < minHeight)
+		ResizeTo(Bounds().Width(), minHeight);
+}
+
+
+BRadioButton::BRadioButton(const char *label, BMessage *message)
+	: BControl(BRect(0, 0, -1, -1), NULL, label, message, B_FOLLOW_NONE,
+		B_WILL_DRAW | B_NAVIGABLE | B_SUPPORTS_LAYOUT),
+	fOutlined(false)
+{
+	// Resize to minimum height if needed
+	font_height fontHeight;
+	GetFontHeight(&fontHeight);
+	float minHeight = ceilf(6.0f + fontHeight.ascent + fontHeight.descent);
+	if (Bounds().Height() < minHeight)
+		ResizeTo(Bounds().Width(), minHeight);
+}
+
+
 BRadioButton::BRadioButton(BMessage *archive)
 	: BControl(archive),
 	fOutlined(false)
@@ -466,6 +496,19 @@ BRadioButton::Perform(perform_code d, void *arg)
 }
 
 
+BSize
+BRadioButton::MaxSize()
+{
+	float width, height;
+	GetPreferredSize(&width, &height);
+
+	return BLayoutUtils::ComposeSize(ExplicitMaxSize(),
+		BSize(B_SIZE_UNLIMITED, height));
+}
+
+
+
+
 void BRadioButton::_ReservedRadioButton1() {}
 void BRadioButton::_ReservedRadioButton2() {}
 

src/kits/interface/ScrollView.cpp

@@ -5,6 +5,7 @@
 
 #include <stdio.h>
 
+#include <LayoutUtils.h>
 #include <ScrollView.h>
 #include <Message.h>
 #include <Window.h>
@@ -594,6 +595,44 @@ BScrollView::GetSupportedSuites(BMessage *data)
 }
 
 
+BSize
+BScrollView::MinSize()
+{
+// TODO: This is not yet correct.
+	BSize size = (fTarget ? fTarget->MinSize() : BSize(-1, -1));
+
+	if (fVerticalScrollBar)
+		size.width += B_V_SCROLL_BAR_WIDTH;
+	if (fHorizontalScrollBar)
+		size.height += B_H_SCROLL_BAR_HEIGHT;
+
+	float borderSize = BorderSize(fBorder);
+	size.width += 2 * borderSize;
+	size.height += 2 * borderSize;
+
+	return BLayoutUtils::ComposeSize(ExplicitMinSize(), size);
+}
+
+
+BSize
+BScrollView::PreferredSize()
+{
+// TODO: This is not yet correct.
+	BSize size = (fTarget ? fTarget->PreferredSize() : BSize(-1, -1));
+
+	if (fVerticalScrollBar)
+		size.width += B_V_SCROLL_BAR_WIDTH;
+	if (fHorizontalScrollBar)
+		size.height += B_H_SCROLL_BAR_HEIGHT;
+
+	float borderSize = BorderSize(fBorder);
+	size.width += 2 * borderSize;
+	size.height += 2 * borderSize;
+
+	return BLayoutUtils::ComposeSize(ExplicitMinSize(), size);
+}
+
+
 status_t
 BScrollView::Perform(perform_code d, void *arg)
 {

src/kits/interface/Size.cpp

@@ -0,0 +1,8 @@
+/*
+ * Copyright 2006, Ingo Weinhold <bonefish@cs.tu-berlin.de>.
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+
+#include <Size.h>
+
+// completely implemented inline

src/kits/interface/SpaceLayoutItem.cpp

@@ -0,0 +1,158 @@
+/*
+ * Copyright 2006, Ingo Weinhold <bonefish@cs.tu-berlin.de>.
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+
+#include <SpaceLayoutItem.h>
+
+
+// constructor
+BSpaceLayoutItem::BSpaceLayoutItem(BSize minSize, BSize maxSize,
+	BSize preferredSize, BAlignment alignment)
+	: fFrame(),
+	  fMinSize(minSize),
+	  fMaxSize(maxSize),
+	  fPreferredSize(preferredSize),
+	  fAlignment(alignment),
+	  fVisible(true)
+{
+}
+
+// destructor
+BSpaceLayoutItem::~BSpaceLayoutItem()
+{
+}
+
+// CreateGlue
+BSpaceLayoutItem*
+BSpaceLayoutItem::CreateGlue() {
+	return new BSpaceLayoutItem(
+		BSize(-1, -1),
+		BSize(B_SIZE_UNLIMITED, B_SIZE_UNLIMITED),
+		BSize(-1, -1),
+		BAlignment(B_ALIGN_HORIZONTAL_CENTER, B_ALIGN_VERTICAL_CENTER));
+}
+
+// CreateHorizontalStrut
+BSpaceLayoutItem*
+BSpaceLayoutItem::CreateHorizontalStrut(float width) {
+	return new BSpaceLayoutItem(
+		BSize(width, -1),
+		BSize(width, B_SIZE_UNLIMITED),
+		BSize(width, -1),
+		BAlignment(B_ALIGN_HORIZONTAL_CENTER, B_ALIGN_VERTICAL_CENTER));
+}
+
+// CreateVerticalStrut
+BSpaceLayoutItem*
+BSpaceLayoutItem::CreateVerticalStrut(float height) {
+	return new BSpaceLayoutItem(
+		BSize(-1, height),
+		BSize(B_SIZE_UNLIMITED, height),
+		BSize(-1, height),
+		BAlignment(B_ALIGN_HORIZONTAL_CENTER, B_ALIGN_VERTICAL_CENTER));
+}
+
+// MinSize
+BSize
+BSpaceLayoutItem::MinSize()
+{
+	return fMinSize;
+}
+
+// MaxSize
+BSize
+BSpaceLayoutItem::MaxSize()
+{
+	return fMaxSize;
+}
+
+// PreferredSize
+BSize
+BSpaceLayoutItem::PreferredSize()
+{
+	return fPreferredSize;
+}
+
+// Alignment
+BAlignment
+BSpaceLayoutItem::Alignment()
+{
+	return fAlignment;
+}
+
+// SetExplicitMinSize
+void
+BSpaceLayoutItem::SetExplicitMinSize(BSize size)
+{
+	if (size.IsWidthSet())
+		fMinSize.width = size.width;
+	if (size.IsHeightSet())
+		fMinSize.height = size.height;
+
+	InvalidateLayout();
+}
+
+// SetExplicitMaxSize
+void
+BSpaceLayoutItem::SetExplicitMaxSize(BSize size)
+{
+	if (size.IsWidthSet())
+		fMaxSize.width = size.width;
+	if (size.IsHeightSet())
+		fMaxSize.height = size.height;
+
+	InvalidateLayout();
+}
+
+// SetExplicitPreferredSize
+void
+BSpaceLayoutItem::SetExplicitPreferredSize(BSize size)
+{
+	if (size.IsWidthSet())
+		fPreferredSize.width = size.width;
+	if (size.IsHeightSet())
+		fPreferredSize.height = size.height;
+
+	InvalidateLayout();
+}
+
+// SetExplicitAlignment
+void
+BSpaceLayoutItem::SetExplicitAlignment(BAlignment alignment)
+{
+	if (alignment.IsHorizontalSet())
+		fAlignment.horizontal = alignment.horizontal;
+	if (alignment.IsVerticalSet())
+		fAlignment.vertical = alignment.vertical;
+
+	InvalidateLayout();
+}
+
+// IsVisible
+bool
+BSpaceLayoutItem::IsVisible()
+{
+	return fVisible;
+}
+
+// SetVisible
+void
+BSpaceLayoutItem::SetVisible(bool visible)
+{
+	fVisible = visible;
+}
+
+// Frame
+BRect
+BSpaceLayoutItem::Frame()
+{
+	return fFrame;
+}
+
+// SetFrame
+void
+BSpaceLayoutItem::SetFrame(BRect frame)
+{
+	fFrame = frame;
+}

src/kits/interface/SplitLayout.h

@@ -0,0 +1,172 @@
+/*
+ * Copyright 2006, Haiku Inc.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef	_SPLIT_LAYOUT_H
+#define	_SPLIT_LAYOUT_H
+
+#include <Layout.h>
+
+namespace BPrivate {
+namespace Layout {
+	class Layouter;
+	class LayoutInfo;
+}
+}
+
+using BPrivate::Layout::Layouter;
+using BPrivate::Layout::LayoutInfo;
+
+
+class BSplitLayout : public BLayout {
+public:
+								BSplitLayout(enum orientation orientation,
+									float spacing = 0.0f);
+	virtual						~BSplitLayout();
+
+			void				SetInsets(float left, float top, float right,
+									float bottom);
+			void				GetInsets(float* left, float* top, float* right,
+									float* bottom);
+
+			float				Spacing() const;
+			void				SetSpacing(float spacing);
+
+			orientation			Orientation() const;
+			void				SetOrientation(enum orientation orientation);
+
+			float				SplitterSize() const;
+			void				SetSplitterSize(float size);
+
+	virtual	BLayoutItem*		AddView(BView* child);
+	virtual	BLayoutItem*		AddView(int32 index, BView* child);
+	virtual	BLayoutItem*		AddView(BView* child, float weight);
+	virtual	BLayoutItem*		AddView(int32 index, BView* child,
+									float weight);
+
+	virtual	bool				AddItem(BLayoutItem* item);
+	virtual	bool				AddItem(int32 index, BLayoutItem* item);
+	virtual	bool				AddItem(BLayoutItem* item, float weight);
+	virtual	bool				AddItem(int32 index, BLayoutItem* item,
+									float weight);
+
+
+			float				ItemWeight(int32 index) const;
+			float				ItemWeight(BLayoutItem* item) const;
+			void				SetItemWeight(int32 index, float weight,
+									bool invalidateLayout);
+			void				SetItemWeight(BLayoutItem* item, float weight);
+
+			void				SetCollapsible(bool collapsible);
+			void				SetCollapsible(int32 index, bool collapsible);
+			void				SetCollapsible(int32 first, int32 last,
+									bool collapsible);
+
+	virtual	BSize				MinSize();
+	virtual	BSize				MaxSize();
+	virtual	BSize				PreferredSize();
+	virtual	BAlignment			Alignment();
+
+	virtual	bool				HasHeightForWidth();
+	virtual	void				GetHeightForWidth(float width, float* min,
+									float* max, float* preferred);
+
+	virtual	void				InvalidateLayout();
+
+	virtual	void				LayoutView();
+
+	// interface for BSplitView
+			BRect				SplitterItemFrame(int32 index) const;
+
+			bool				StartDraggingSplitter(BPoint point);
+			bool				DragSplitter(BPoint point);
+			bool				StopDraggingSplitter();
+			int32				DraggedSplitter() const;
+
+protected:	
+	virtual	void				ItemAdded(BLayoutItem* item);
+	virtual	void				ItemRemoved(BLayoutItem* item);
+
+private:
+			class ItemLayoutInfo;
+			class ValueRange;
+			class SplitterItem;
+
+			void				_InvalidateLayout(bool invalidateView);
+			void				_InvalidateCachedHeightForWidth();
+
+			SplitterItem*		_SplitterItemAt(int32 index) const;
+
+			void				_GetSplitterValueRange(int32 index,
+									ValueRange& range);
+			int32				_SplitterValue(int32 index) const;
+
+			void				_LayoutItem(BLayoutItem* item, BRect frame,
+									bool visible);
+			void				_LayoutItem(BLayoutItem* item,
+									ItemLayoutInfo* info);
+
+			bool				_SetSplitterValue(int32 index, int32 value);
+
+			ItemLayoutInfo*		_ItemLayoutInfo(BLayoutItem* item) const;
+
+
+			void				_UpdateSplitterWeights();
+
+			void				_ValidateMinMax();
+
+			void				 _InternalGetHeightForWidth(float width,
+									bool realLayout, float* minHeight,
+									float* maxHeight, float* preferredHeight);
+
+			float				_SplitterSpace() const;
+
+			BSize				_AddInsets(BSize size);
+			void				_AddInsets(float* minHeight, float* maxHeight,
+									float* preferredHeight);
+			BSize				_SubtractInsets(BSize size);
+
+private:
+			orientation			fOrientation;
+			float				fLeftInset;
+			float				fRightInset;
+			float				fTopInset;
+			float				fBottomInset;
+			float				fSplitterSize;
+			float				fSpacing;
+
+			BList				fSplitterItems;
+			BList				fVisibleItems;
+
+			BSize				fMin;
+			BSize				fMax;
+			BSize				fPreferred;
+
+			Layouter*			fHorizontalLayouter;
+			Layouter*			fVerticalLayouter;
+
+			LayoutInfo*			fHorizontalLayoutInfo;
+			LayoutInfo*			fVerticalLayoutInfo;
+	
+			BList				fHeightForWidthItems;
+			// Incorporates the children's height for width constraints for a
+			// concrete width. Cloned lazily from fVerticalLayout when needed.
+			Layouter*			fHeightForWidthVerticalLayouter;
+			LayoutInfo*			fHeightForWidthHorizontalLayoutInfo;
+				// for computing height for width info
+
+			bool				fLayoutValid;
+
+			float				fCachedHeightForWidthWidth;
+			float				fHeightForWidthVerticalLayouterWidth;
+			float				fCachedMinHeightForWidth;
+			float				fCachedMaxHeightForWidth;
+			float				fCachedPreferredHeightForWidth;
+	
+			BPoint				fDraggingStartPoint;
+			int32				fDraggingStartValue;
+			int32				fDraggingCurrentValue;
+			int32				fDraggingSplitterIndex;
+};
+
+#endif	// _SPLIT_LAYOUT_H

src/kits/interface/SplitLayoutBuilder.cpp

@@ -0,0 +1,89 @@
+/*
+ * Copyright 2006, Ingo Weinhold <bonefish@cs.tu-berlin.de>.
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+
+#include <SplitLayoutBuilder.h>
+
+#include <new>
+
+
+using std::nothrow;
+
+
+// constructor
+BSplitLayoutBuilder::BSplitLayoutBuilder(enum orientation orientation,
+		float spacing)
+	: fView(new BSplitView(orientation, spacing))
+{
+}
+
+// constructor
+BSplitLayoutBuilder::BSplitLayoutBuilder(BSplitView* view)
+	: fView(view)
+{
+}
+
+// SplitView
+BSplitView*
+BSplitLayoutBuilder::SplitView() const
+{
+	return fView;
+}
+
+// GetSplitView
+BSplitLayoutBuilder&
+BSplitLayoutBuilder::GetSplitView(BSplitView** view)
+{
+	*view = fView;
+	return *this;
+}
+
+// Add
+BSplitLayoutBuilder&
+BSplitLayoutBuilder::Add(BView* view)
+{
+	fView->AddChild(view);
+	return *this;
+}
+
+// Add
+BSplitLayoutBuilder&
+BSplitLayoutBuilder::Add(BView* view, float weight)
+{
+	fView->AddChild(view, weight);
+	return *this;
+}
+
+// Add
+BSplitLayoutBuilder&
+BSplitLayoutBuilder::Add(BLayoutItem* item)
+{
+	fView->AddChild(item);
+	return *this;
+}
+
+// Add
+BSplitLayoutBuilder&
+BSplitLayoutBuilder::Add(BLayoutItem* item, float weight)
+{
+	fView->AddChild(item, weight);
+	return *this;
+}
+
+// SetCollapsible
+BSplitLayoutBuilder&
+BSplitLayoutBuilder::SetCollapsible(bool collapsible)
+{
+	int32 count = fView->CountChildren();
+	if (count > 0)
+		fView->SetCollapsible(count - 1, collapsible);
+	return *this;
+}
+
+// cast operator BSplitView*
+BSplitLayoutBuilder::operator BSplitView*()
+{
+	return fView;
+}
+

src/kits/interface/SplitView.cpp

@@ -0,0 +1,195 @@
+/*
+ * Copyright 2006, Ingo Weinhold <bonefish@cs.tu-berlin.de>.
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+
+#include <SplitView.h>
+
+#include "SplitLayout.h"
+
+
+// constructor
+BSplitView::BSplitView(enum orientation orientation, float spacing)
+	: BView(NULL,
+		B_WILL_DRAW | B_FULL_UPDATE_ON_RESIZE | B_INVALIDATE_AFTER_LAYOUT,
+		fSplitLayout = new BSplitLayout(orientation, spacing))
+{
+	SetViewColor(ui_color(B_PANEL_BACKGROUND_COLOR));
+}
+
+// destructor
+BSplitView::~BSplitView()
+{
+}
+
+// Spacing
+float
+BSplitView::Spacing() const
+{
+	return fSplitLayout->Spacing();
+}
+
+// SetSpacing
+void
+BSplitView::SetSpacing(float spacing)
+{
+	fSplitLayout->SetSpacing(spacing);
+}
+
+// Orientation
+orientation
+BSplitView::Orientation() const
+{
+	return fSplitLayout->Orientation();
+}
+
+// SetOrientation
+void
+BSplitView::SetOrientation(enum orientation orientation)
+{
+	fSplitLayout->SetOrientation(orientation);
+}
+
+// SplitterSize
+float
+BSplitView::SplitterSize() const
+{
+	return fSplitLayout->SplitterSize();
+}
+
+// SetSplitterSize
+void
+BSplitView::SetSplitterSize(float size)
+{
+	fSplitLayout->SetSplitterSize(size);
+}
+
+// SetCollapsible
+void
+BSplitView::SetCollapsible(bool collapsible)
+{
+	fSplitLayout->SetCollapsible(collapsible);
+}
+
+// SetCollapsible
+void
+BSplitView::SetCollapsible(int32 index, bool collapsible)
+{
+	fSplitLayout->SetCollapsible(index, collapsible);
+}
+
+// SetCollapsible
+void
+BSplitView::SetCollapsible(int32 first, int32 last, bool collapsible)
+{
+	fSplitLayout->SetCollapsible(first, last, collapsible);
+}
+
+// AddChild
+void
+BSplitView::AddChild(BView* child, BView* sibling)
+{
+	BView::AddChild(child, sibling);
+}
+
+// AddChild
+bool
+BSplitView::AddChild(BView* child, float weight)
+{
+	return fSplitLayout->AddView(child, weight);
+}
+
+// AddChild
+bool
+BSplitView::AddChild(int32 index, BView* child, float weight)
+{
+	return fSplitLayout->AddView(index, child, weight);
+}
+
+// AddChild
+bool
+BSplitView::AddChild(BLayoutItem* child)
+{
+	return fSplitLayout->AddItem(child);
+}
+
+// AddChild
+bool
+BSplitView::AddChild(BLayoutItem* child, float weight)
+{
+	return fSplitLayout->AddItem(child, weight);
+}
+
+// AddChild
+bool
+BSplitView::AddChild(int32 index, BLayoutItem* child, float weight)
+{
+	return fSplitLayout->AddItem(index, child, weight);
+}
+
+// Draw
+void
+BSplitView::Draw(BRect updateRect)
+{
+	// draw the splitters
+	int32 draggedSplitterIndex = fSplitLayout->DraggedSplitter();
+	int32 count = fSplitLayout->CountItems();
+	for (int32 i = 0; i < count - 1; i++) {
+		BRect frame = fSplitLayout->SplitterItemFrame(i);
+		DrawSplitter(frame, Orientation(), draggedSplitterIndex == i);
+	}
+}
+
+// MouseDown
+void
+BSplitView::MouseDown(BPoint where)
+{
+	SetMouseEventMask(B_POINTER_EVENTS, B_LOCK_WINDOW_FOCUS);
+
+	if (fSplitLayout->StartDraggingSplitter(where))
+		Invalidate();
+}
+
+// MouseUp
+void
+BSplitView::MouseUp(BPoint where)
+{
+	if (fSplitLayout->StopDraggingSplitter()) {
+		Relayout();
+		Invalidate();
+	}
+}
+
+// MouseMoved
+void
+BSplitView::MouseMoved(BPoint where, uint32 transit, const BMessage* message)
+{
+	int32 splitterIndex = fSplitLayout->DraggedSplitter();
+	if (splitterIndex >= 0) {
+		BRect oldFrame = fSplitLayout->SplitterItemFrame(splitterIndex);
+		if (fSplitLayout->DragSplitter(where)) {
+			Invalidate(oldFrame);
+			Invalidate(fSplitLayout->SplitterItemFrame(splitterIndex));
+		}
+	}
+}
+
+// SetLayout
+void
+BSplitView::SetLayout(BLayout* layout)
+{
+	// not allowed
+}
+
+// DrawSplitter
+void
+BSplitView::DrawSplitter(BRect frame, enum orientation orientation,
+	bool pressed)
+{
+	rgb_color black = { 0, 0, 0, 255 };
+	rgb_color white = { 255, 255, 255, 255 };
+
+	SetHighColor(pressed ? white : black);
+
+	FillRect(frame);
+}

src/kits/interface/StringView.cpp

@@ -9,8 +9,10 @@
 /**	BStringView draw a non-editable text string */
 
 
-#include <Message.h>
 #include <StringView.h>
+
+#include <LayoutUtils.h>
+#include <Message.h>
 #include <View.h>
 #include <Window.h>
 
@@ -265,6 +267,16 @@ BStringView::GetSupportedSuites(BMessage* message)
 }
 
 
+BSize
+BStringView::MaxSize()
+{
+	float width, height;
+	GetPreferredSize(&width, &height);
+
+	return BLayoutUtils::ComposeSize(ExplicitMaxSize(), BSize(width, height));
+}
+
+
 status_t
 BStringView::Perform(perform_code d, void* arg)
 {

src/kits/interface/TextControl.cpp

@@ -5,6 +5,7 @@
  * Authors:
  *		Frans van Nispen (xlr8@tref.nl)
  *		Stephan Aßmus <superstippi@gmx.de>
+ *		Ingo Weinhold <bonefish@cs.tu-berlin.de>
  */
 
 /**	BTextControl displays text that can act like a control. */
@@ -12,6 +13,8 @@
 
 #include <stdio.h>
 
+#include <AbstractLayoutItem.h>
+#include <LayoutUtils.h>
 #include <Message.h>
 #include <Region.h>
 #include <TextControl.h>
@@ -20,23 +23,83 @@
 #include "TextInput.h"
 
 
+class BTextControl::LabelLayoutItem : public BAbstractLayoutItem {
+public:
+								LabelLayoutItem(BTextControl* parent);
+
+	virtual	bool				IsVisible();
+	virtual	void				SetVisible(bool visible);
+
+	virtual	BRect				Frame();
+	virtual	void				SetFrame(BRect frame);
+
+	virtual	BView*				View();
+
+	virtual	BSize				BaseMinSize();
+	virtual	BSize				BaseMaxSize();
+	virtual	BSize				BasePreferredSize();
+	virtual	BAlignment			BaseAlignment();
+
+private:
+			BTextControl*		fParent;
+			BRect				fFrame;
+};
+
+
+class BTextControl::TextViewLayoutItem : public BAbstractLayoutItem {
+public:
+								TextViewLayoutItem(BTextControl* parent);
+
+	virtual	bool				IsVisible();
+	virtual	void				SetVisible(bool visible);
+
+	virtual	BRect				Frame();
+	virtual	void				SetFrame(BRect frame);
+
+	virtual	BView*				View();
+
+	virtual	BSize				BaseMinSize();
+	virtual	BSize				BaseMaxSize();
+	virtual	BSize				BasePreferredSize();
+	virtual	BAlignment			BaseAlignment();
+
+private:
+			BTextControl*		fParent;
+			BRect				fFrame;
+};
+
+
+// #pragma mark -
+
+
 BTextControl::BTextControl(BRect frame, const char *name, const char *label,
 						   const char *text, BMessage *message, uint32 mask,
 						   uint32 flags)
 	: BControl(frame, name, label, message, mask, flags | B_FRAME_EVENTS)
 {
 	_InitData(label, text);
+	_ValidateLayout();
+}
 
-	float height;
-	BTextControl::GetPreferredSize(NULL, &height);
 
-	ResizeTo(Bounds().Width(), height);
+BTextControl::BTextControl(const char *name, const char *label,
+						   const char *text, BMessage *message,
+						   uint32 flags)
+	: BControl(BRect(0, 0, -1, -1), name, label, message, B_FOLLOW_NONE,
+			flags | B_FRAME_EVENTS | B_SUPPORTS_LAYOUT)
+{
+	_InitData(label, text);
+	_ValidateLayout();
+}
 
-	float lineHeight = ceil(fText->LineHeight(0));
-	fText->ResizeTo(fText->Bounds().Width(), lineHeight);
-	fText->MoveTo(fText->Frame().left, (height - lineHeight) / 2);
 
-	fPreviousHeight = Bounds().Height();
+BTextControl::BTextControl(const char *label,
+						   const char *text, BMessage *message)
+	: BControl(BRect(0, 0, -1, -1), NULL, label, message, B_FOLLOW_NONE,
+			B_WILL_DRAW | B_NAVIGABLE | B_FRAME_EVENTS | B_SUPPORTS_LAYOUT)
+{
+	_InitData(label, text);
+	_ValidateLayout();
 }
 
 
@@ -566,6 +629,24 @@ BTextControl::Perform(perform_code d, void *arg)
 }
 
 
+BLayoutItem*
+BTextControl::CreateLabelLayoutItem()
+{
+	if (!fLabelLayoutItem)
+		fLabelLayoutItem = new LabelLayoutItem(this);
+	return fLabelLayoutItem;
+}
+
+
+BLayoutItem*
+BTextControl::CreateTextViewLayoutItem()
+{
+	if (!fTextViewLayoutItem)
+		fTextViewLayoutItem = new TextViewLayoutItem(this);
+	return fTextViewLayoutItem;
+}
+
+
 void BTextControl::_ReservedTextControl1() {}
 void BTextControl::_ReservedTextControl2() {}
 void BTextControl::_ReservedTextControl3() {}
@@ -627,6 +708,8 @@ BTextControl::_InitData(const char* label, const char* initialText,
 	fDivider = 0.0f;
 	fPreviousWidth = bounds.Width();
 	fPreviousHeight = bounds.Height();
+	fLabelLayoutItem = NULL;
+	fTextViewLayoutItem = NULL;
 	fSkipSetFlags = false;
 
 	int32 flags = 0;
@@ -672,3 +755,204 @@ BTextControl::_InitData(const char* label, const char* initialText,
 		fText->AlignTextRect();
 	}
 }
+
+
+void
+BTextControl::_ValidateLayout()
+{
+	float height;
+	BTextControl::GetPreferredSize(NULL, &height);
+
+	ResizeTo(Bounds().Width(), height);
+
+	float lineHeight = ceil(fText->LineHeight(0));
+	fText->ResizeTo(fText->Bounds().Width(), lineHeight);
+	fText->MoveTo(fText->Frame().left, (height - lineHeight) / 2);
+
+	fPreviousHeight = Bounds().Height();
+}
+
+
+void
+BTextControl::_UpdateFrame()
+{
+	if (fLabelLayoutItem && fTextViewLayoutItem) {
+		BRect labelFrame = fLabelLayoutItem->Frame();
+		BRect textFrame = fTextViewLayoutItem->Frame();
+		MoveTo(labelFrame.left, labelFrame.top);
+		ResizeTo(textFrame.left + textFrame.Width() - labelFrame.left,
+			textFrame.top + textFrame.Height() - labelFrame.top);
+		SetDivider(textFrame.left - labelFrame.left);
+	}
+}
+
+
+// #pragma mark -
+
+
+BTextControl::LabelLayoutItem::LabelLayoutItem(BTextControl* parent)
+	: fParent(parent),
+	  fFrame()
+{
+}
+
+
+bool
+BTextControl::LabelLayoutItem::IsVisible()
+{
+	return !fParent->IsHidden(fParent);
+}
+
+
+void
+BTextControl::LabelLayoutItem::SetVisible(bool visible)
+{
+	// not allowed
+}
+
+
+BRect
+BTextControl::LabelLayoutItem::Frame()
+{
+	return fFrame;
+}
+
+
+void
+BTextControl::LabelLayoutItem::SetFrame(BRect frame)
+{
+	fFrame = frame;
+	fParent->_UpdateFrame();
+}
+
+
+BView*
+BTextControl::LabelLayoutItem::View()
+{
+	return fParent;
+}
+
+
+BSize
+BTextControl::LabelLayoutItem::BaseMinSize()
+{
+// TODO: Cache the info. Might be too expensive for this call.
+	const char* label = fParent->Label();
+	if (!label)
+		return BSize(-1, -1);
+
+	BSize size;
+	fParent->GetPreferredSize(NULL, &size.height);
+
+	size.width = fParent->StringWidth(label) + 2 * 3 - 1;
+
+	return size;
+}
+
+
+BSize
+BTextControl::LabelLayoutItem::BaseMaxSize()
+{
+	return BaseMinSize();
+}
+
+
+BSize
+BTextControl::LabelLayoutItem::BasePreferredSize()
+{
+	return BaseMinSize();
+}
+
+
+BAlignment
+BTextControl::LabelLayoutItem::BaseAlignment()
+{
+	return BAlignment(B_ALIGN_USE_FULL_WIDTH, B_ALIGN_USE_FULL_HEIGHT);
+}
+
+
+// #pragma mark -
+
+
+BTextControl::TextViewLayoutItem::TextViewLayoutItem(BTextControl* parent)
+	: fParent(parent),
+	  fFrame()
+{
+}
+
+
+bool
+BTextControl::TextViewLayoutItem::IsVisible()
+{
+	return !fParent->IsHidden(fParent);
+}
+
+
+void
+BTextControl::TextViewLayoutItem::SetVisible(bool visible)
+{
+	// not allowed
+}
+
+
+BRect
+BTextControl::TextViewLayoutItem::Frame()
+{
+	return fFrame;
+}
+
+
+void
+BTextControl::TextViewLayoutItem::SetFrame(BRect frame)
+{
+	fFrame = frame;
+	fParent->_UpdateFrame();
+}
+
+
+BView*
+BTextControl::TextViewLayoutItem::View()
+{
+	return fParent;
+}
+
+
+BSize
+BTextControl::TextViewLayoutItem::BaseMinSize()
+{
+// TODO: Cache the info. Might be too expensive for this call.
+	BSize size;
+	fParent->GetPreferredSize(NULL, &size.height);
+
+	// mmh, some arbitrary minimal width
+	size.width = 30;
+
+	return size;
+}
+
+
+BSize
+BTextControl::TextViewLayoutItem::BaseMaxSize()
+{
+	BSize size(BaseMinSize());
+	size.width = B_SIZE_UNLIMITED;
+	return size;
+}
+
+
+BSize
+BTextControl::TextViewLayoutItem::BasePreferredSize()
+{
+	BSize size(BaseMinSize());
+	// puh, no idea...
+	size.width = 100;
+	return size;
+}
+
+
+BAlignment
+BTextControl::TextViewLayoutItem::BaseAlignment()
+{
+	return BAlignment(B_ALIGN_USE_FULL_WIDTH, B_ALIGN_USE_FULL_HEIGHT);
+}
+

src/kits/interface/View.cpp

@@ -6,6 +6,7 @@
  *		Adrian Oanca <adioanca@cotty.iren.ro>
  *		Axel Dörfler, axeld@pinc-software.de
  *		Stephan Aßmus <superstippi@gmx.de>
+ *		Ingo Weinhold <bonefish@cs.tu-berlin.de>
  */
 
 
@@ -24,6 +25,9 @@
 #include <Cursor.h>
 #include <File.h>
 #include <InterfaceDefs.h>
+#include <Layout.h>
+#include <LayoutContext.h>
+#include <LayoutUtils.h>
 #include <MenuBar.h>
 #include <Message.h>
 #include <MessageQueue.h>
@@ -310,6 +314,43 @@ ViewState::UpdateFrom(BPrivate::PortLink &link)
 //	#pragma mark -
 
 
+struct BView::LayoutData {
+
+	LayoutData()
+		: fMinSize(),
+		  fMaxSize(),
+		  fPreferredSize(),
+		  fAlignment(),
+		  fLayoutInvalidationDisabled(0),
+		  fLayout(NULL),
+		  fLayoutContext(NULL),
+		  fLayoutValid(true),		// <- TODO: Rethink this!
+		  fLayoutInProgress(false),
+		  fNeedsRelayout(true)
+	{
+	}
+
+	BSize			fMinSize;
+	BSize			fMaxSize;
+	BSize			fPreferredSize;
+	BAlignment		fAlignment;
+	int				fLayoutInvalidationDisabled;
+	BLayout*		fLayout;
+	BLayoutContext*	fLayoutContext;
+	bool			fLayoutValid;
+	bool			fLayoutInProgress;
+	bool			fNeedsRelayout;
+};
+
+
+BView::BView(const char* name, uint32 flags, BLayout* layout)
+{
+	_InitData(BRect(0, 0, 0, 0), name, B_FOLLOW_NONE,
+		flags | B_SUPPORTS_LAYOUT);
+	SetLayout(layout);
+}
+
+
 BView::BView(BRect frame, const char *name, uint32 resizingMode, uint32 flags)
 	: BHandler(name)
 {
@@ -531,7 +572,7 @@ BView::~BView()
 	RemoveSelf();
 
 	// TODO: see about BShelf! must I delete it here? is it deleted by the window?
-	
+
 	// we also delete all our children
 
 	BView *child = fFirstChild;
@@ -542,6 +583,10 @@ BView::~BView()
 		child = nextChild;
 	}
 
+	// delete the layout and the layout data
+	delete fLayoutData->fLayout;
+	delete fLayoutData;
+	
 	if (fVerScroller)
 		fVerScroller->SetTarget((BView*)NULL);
 	if (fHorScroller)
@@ -837,6 +882,9 @@ BView::Hide()
 		fOwner->fLink->StartMessage(AS_LAYER_HIDE);
 	}
 	fShowLevel++;
+
+	if (fShowLevel == 1 && fParent)
+		fParent->InvalidateLayout();
 }
 
 
@@ -848,6 +896,9 @@ BView::Show()
 		check_lock();
 		fOwner->fLink->StartMessage(AS_LAYER_SHOW);
 	}
+
+	if (fShowLevel == 0 && fParent)
+		fParent->InvalidateLayout();
 }
 
 
@@ -3255,11 +3306,34 @@ BView::AddChild(BView *child, BView *before)
  		child && child->Name() ? child->Name(): "NULL",
  		before && before->Name() ? before->Name(): "NULL"));
 
-	if (!child)
+	if (!_AddChild(child, before))
 		return;
 
-	if (child->fParent != NULL)
+	if (fLayoutData->fLayout)
+		fLayoutData->fLayout->AddView(child);
+}
+
+
+bool
+BView::AddChild(BLayoutItem* child)
+{
+	if (!fLayoutData->fLayout)
+		return false;
+	return fLayoutData->fLayout->AddItem(child);
+}
+
+
+bool
+BView::_AddChild(BView *child, BView *before)
+{
+	if (!child)
+		return false;
+
+	if (child->fParent != NULL) {
+printf("BView::_AddChild(): child %p already has parent %p\n", child , child->fParent);
 		debugger("AddChild failed - the view already has a parent.");
+		return false;
+	}
 
 	bool lockedOwner = false;
 	if (fOwner && !fOwner->IsLocked()) {
@@ -3267,8 +3341,12 @@ BView::AddChild(BView *child, BView *before)
 		lockedOwner = true;
 	}
 
-	if (!_AddChildToList(child, before))
+	if (!_AddChildToList(child, before)) {
-		debugger("AddChild failed!");	
+		debugger("AddChild failed!");
+		if (lockedOwner)
+			fOwner->Unlock();
+		return false;
+	}
 
 	if (fOwner) {
 		check_lock();
@@ -3280,6 +3358,10 @@ BView::AddChild(BView *child, BView *before)
 		if (lockedOwner)
 			fOwner->Unlock();
 	}
+
+	InvalidateLayout();
+
+	return true;
 }
 
 
@@ -3294,7 +3376,6 @@ BView::RemoveChild(BView *child)
 	return child->RemoveSelf();
 }
 
-
 int32
 BView::CountChildren() const
 {
@@ -3342,6 +3423,16 @@ BView::PreviousSibling() const
 
 bool
 BView::RemoveSelf()
+{
+	if (fParent && fParent->fLayoutData->fLayout)
+		return fParent->fLayoutData->fLayout->RemoveView(this);
+	else
+		return _RemoveSelf();
+}
+
+
+bool
+BView::_RemoveSelf()
 {
 	STRACE(("BView(%s)::RemoveSelf()...\n", Name()));
 
@@ -3355,7 +3446,8 @@ BView::RemoveSelf()
 		_Detach();
 	}
 
-	if (!fParent || !fParent->_RemoveChildFromList(this))
+	BView* parent = fParent;
+	if (!parent || !parent->_RemoveChildFromList(this))
 		return false;
 
 	if (owner != NULL && !fTopLevelView) {
@@ -3364,6 +3456,8 @@ BView::RemoveSelf()
 		owner->fLink->Attach<int32>(_get_object_token_(this));
 	}
 
+	parent->InvalidateLayout();
+
 	STRACE(("DONE: BView(%s)::RemoveSelf()\n", Name()));
 
 	return true;
@@ -3725,6 +3819,285 @@ BView::Perform(perform_code d, void* arg)
 }
 
 
+// #pragma mark - Layout Functions
+
+
+BSize
+BView::MinSize()
+{
+	// TODO: make sure this works correctly when some methods are overridden
+	float width, height;
+	GetPreferredSize(&width, &height);
+
+	return BLayoutUtils::ComposeSize(fLayoutData->fMinSize,
+		(fLayoutData->fLayout ? fLayoutData->fLayout->MinSize()
+			: BSize(width, height)));
+}
+
+
+BSize
+BView::MaxSize()
+{
+	return BLayoutUtils::ComposeSize(fLayoutData->fMaxSize,
+		(fLayoutData->fLayout ? fLayoutData->fLayout->MaxSize()
+			: BSize(B_SIZE_UNLIMITED, B_SIZE_UNLIMITED)));
+}
+
+
+BSize
+BView::PreferredSize()
+{
+	// TODO: make sure this works correctly when some methods are overridden
+	float width, height;
+	GetPreferredSize(&width, &height);
+
+	return BLayoutUtils::ComposeSize(fLayoutData->fPreferredSize,
+		(fLayoutData->fLayout ? fLayoutData->fLayout->PreferredSize()
+			: BSize(width, height)));
+}
+
+
+BAlignment
+BView::Alignment()
+{
+	return BLayoutUtils::ComposeAlignment(fLayoutData->fAlignment,
+		(fLayoutData->fLayout ? fLayoutData->fLayout->Alignment()
+			: BAlignment(B_ALIGN_HORIZONTAL_CENTER, B_ALIGN_VERTICAL_CENTER)));
+}
+
+
+void
+BView::SetExplicitMinSize(BSize size)
+{
+	fLayoutData->fMinSize = size;
+	InvalidateLayout();
+}
+
+
+void
+BView::SetExplicitMaxSize(BSize size)
+{
+	fLayoutData->fMaxSize = size;
+	InvalidateLayout();
+}
+
+
+void
+BView::SetExplicitPreferredSize(BSize size)
+{
+	fLayoutData->fPreferredSize = size;
+	InvalidateLayout();
+}
+
+
+void
+BView::SetExplicitAlignment(BAlignment alignment)
+{
+	fLayoutData->fAlignment = alignment;
+	InvalidateLayout();
+}
+
+
+BSize
+BView::ExplicitMinSize() const
+{
+	return fLayoutData->fMinSize;
+}
+
+
+BSize
+BView::ExplicitMaxSize() const
+{
+	return fLayoutData->fMaxSize;
+}
+
+
+BSize
+BView::ExplicitPreferredSize() const
+{
+	return fLayoutData->fPreferredSize;
+}
+
+
+BAlignment
+BView::ExplicitAlignment() const
+{
+	return fLayoutData->fAlignment;
+}
+
+
+bool
+BView::HasHeightForWidth()
+{
+	return (fLayoutData->fLayout
+		? fLayoutData->fLayout->HasHeightForWidth() : false);
+}
+
+
+void
+BView::GetHeightForWidth(float width, float* min, float* max, float* preferred)
+{
+	if (fLayoutData->fLayout)
+		fLayoutData->fLayout->GetHeightForWidth(width, min, max, preferred);
+}
+
+
+void
+BView::SetLayout(BLayout* layout)
+{
+	if (layout == fLayoutData->fLayout)
+		return;
+
+	fFlags |= B_SUPPORTS_LAYOUT;
+
+	// unset and delete the old layout
+	if (fLayoutData->fLayout) {
+		fLayoutData->fLayout->SetView(NULL);
+		delete fLayoutData->fLayout;
+	}
+	
+	fLayoutData->fLayout = layout;
+
+	if (fLayoutData->fLayout) {
+		fLayoutData->fLayout->SetView(this);
+
+		// add all children
+		int count = CountChildren();
+		for (int i = 0; i < count; i++)
+			fLayoutData->fLayout->AddView(ChildAt(i));
+	}
+
+	InvalidateLayout();
+}
+
+
+BLayout*
+BView::GetLayout() const
+{
+	return fLayoutData->fLayout;
+}
+
+
+void
+BView::InvalidateLayout(bool descendants)
+{
+	if (fLayoutData->fLayoutValid && !fLayoutData->fLayoutInProgress
+		&& fLayoutData->fLayoutInvalidationDisabled == 0) {
+		if (fParent && fParent->fLayoutData->fLayoutValid)
+			fParent->InvalidateLayout(false);
+
+		fLayoutData->fLayoutValid = false;
+
+		if (fLayoutData->fLayout)
+			fLayoutData->fLayout->InvalidateLayout();
+
+		if (descendants) {
+			int count = CountChildren();
+			for (int i = 0; i < count; i++)
+				ChildAt(i)->InvalidateLayout(descendants);
+		}
+
+		if (fTopLevelView) {
+			// trigger layout process
+			if (fOwner)
+				fOwner->PostMessage(B_LAYOUT_WINDOW);
+		}
+	}
+}
+
+
+void
+BView::EnableLayoutInvalidation()
+{
+	if (fLayoutData->fLayoutInvalidationDisabled > 0)
+		fLayoutData->fLayoutInvalidationDisabled--;
+}
+
+
+void
+BView::DisableLayoutInvalidation()
+{
+	fLayoutData->fLayoutInvalidationDisabled++;
+}
+
+
+BLayoutContext*
+BView::LayoutContext() const
+{
+	return fLayoutData->fLayoutContext;
+}
+
+
+void
+BView::Layout(bool force)
+{
+	BLayoutContext context;
+	_Layout(force, &context);
+}
+
+
+void
+BView::Relayout()
+{
+	if (fLayoutData->fLayoutValid && !fLayoutData->fLayoutInProgress) {
+		fLayoutData->fNeedsRelayout = true;
+
+		// Layout() is recursive, that is if the parent view is currently laid
+		// out, we don't call layout() on this view, but wait for the parent's
+		// Layout() to do that for us.
+		if (!fParent || !fParent->fLayoutData->fLayoutInProgress)
+			Layout(false);
+	}
+}
+
+
+void
+BView::DoLayout()
+{
+	if (fLayoutData->fLayout)
+		fLayoutData->fLayout->LayoutView();
+}
+
+
+void
+BView::_Layout(bool force, BLayoutContext* context)
+{
+//printf("%p->BView::_Layout(%d, %p)\n", this, force, context);
+//printf("  fNeedsRelayout: %d, fLayoutValid: %d, fLayoutInProgress: %d\n",
+//fLayoutData->fNeedsRelayout, fLayoutData->fLayoutValid, fLayoutData->fLayoutInProgress);
+	if (fLayoutData->fNeedsRelayout || !fLayoutData->fLayoutValid || force) {
+		fLayoutData->fLayoutValid = false;
+
+		if (fLayoutData->fLayoutInProgress)
+			return;
+
+		BLayoutContext* oldContext = fLayoutData->fLayoutContext;
+		fLayoutData->fLayoutContext = context;
+			
+		fLayoutData->fLayoutInProgress = true;
+		DoLayout();
+		fLayoutData->fLayoutInProgress = false;
+
+		fLayoutData->fLayoutValid = true;
+		fLayoutData->fNeedsRelayout = false;
+
+		// layout children
+		int32 childCount = CountChildren();
+		for (int32 i = 0; i < childCount; i++) {
+			BView* child = ChildAt(i);
+			if (!child->IsHidden(child))
+				child->_Layout(force, context);
+		}
+
+		fLayoutData->fLayoutContext = oldContext;
+
+		// invalidate the drawn content, if requested
+		if (fFlags & B_INVALIDATE_AFTER_LAYOUT)
+			Invalidate();
+	}
+}
+
+
 //	#pragma mark -
 //	Private Functions
 
@@ -3772,6 +4145,8 @@ BView::_InitData(BRect frame, const char *name, uint32 resizingMode, uint32 flag
 
 	fEventMask = 0;
 	fEventOptions = 0;
+
+	fLayoutData = new LayoutData;
 }
 
 
@@ -4010,8 +4385,12 @@ BView::_ResizeBy(int32 deltaWidth, int32 deltaHeight)
 	}
 
 	// layout the children
-	for (BView* child = fFirstChild; child; child = child->fNextSibling)
+	if (fFlags & B_SUPPORTS_LAYOUT) {
-		child->_ParentResizedBy(deltaWidth, deltaHeight);
+		Relayout();
+	} else {
+		for (BView* child = fFirstChild; child; child = child->fNextSibling)
+			child->_ParentResizedBy(deltaWidth, deltaHeight);
+	}
 
 	if (fFlags & B_FRAME_EVENTS) {
 		BMessage resized(B_VIEW_RESIZED);
@@ -4383,15 +4762,15 @@ BView::do_owner_check_no_pick() const
 	}
 }
 
-
+extern "C" void _ReservedView1__5BView() {}
-void BView::_ReservedView2(){}
+extern "C" void _ReservedView2__5BView() {}
-void BView::_ReservedView3(){}
+extern "C" void _ReservedView3__5BView() {}
-void BView::_ReservedView4(){}
+extern "C" void _ReservedView4__5BView() {}
-void BView::_ReservedView5(){}
+extern "C" void _ReservedView5__5BView() {}
-void BView::_ReservedView6(){}
+extern "C" void _ReservedView6__5BView() {}
-void BView::_ReservedView7(){}
+extern "C" void _ReservedView7__5BView() {}
-void BView::_ReservedView8(){}
+extern "C" void _ReservedView8__5BView() {}
-void BView::_ReservedView9(){}
+extern "C" void _ReservedView9__5BView() {}
 void BView::_ReservedView10(){}
 void BView::_ReservedView11(){}
 void BView::_ReservedView12(){}

src/kits/interface/ViewLayoutItem.cpp

@@ -0,0 +1,139 @@
+/*
+ * Copyright 2006, Ingo Weinhold <bonefish@cs.tu-berlin.de>.
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+
+#include "ViewLayoutItem.h"
+
+#include <View.h>
+
+
+// constructor
+BViewLayoutItem::BViewLayoutItem(BView* view)
+	: fView(view)
+{
+}
+
+// destructor
+BViewLayoutItem::~BViewLayoutItem()
+{
+}
+
+// MinSize
+BSize
+BViewLayoutItem::MinSize()
+{
+	return fView->MinSize();
+}
+
+// MaxSize
+BSize
+BViewLayoutItem::MaxSize()
+{
+	return fView->MaxSize();
+}
+
+// PreferredSize
+BSize
+BViewLayoutItem::PreferredSize()
+{
+	return fView->PreferredSize();
+}
+
+// Alignment
+BAlignment
+BViewLayoutItem::Alignment()
+{
+	return fView->Alignment();
+}
+
+// SetExplicitMinSize
+void
+BViewLayoutItem::SetExplicitMinSize(BSize size)
+{
+	fView->SetExplicitMinSize(size);
+}
+
+// SetExplicitMaxSize
+void
+BViewLayoutItem::SetExplicitMaxSize(BSize size)
+{
+	fView->SetExplicitMaxSize(size);
+}
+
+// SetExplicitPreferredSize
+void
+BViewLayoutItem::SetExplicitPreferredSize(BSize size)
+{
+	fView->SetExplicitPreferredSize(size);
+}
+
+// SetExplicitAlignment
+void
+BViewLayoutItem::SetExplicitAlignment(BAlignment alignment)
+{
+	fView->SetExplicitAlignment(alignment);
+}
+
+// IsVisible
+bool
+BViewLayoutItem::IsVisible()
+{
+	return !fView->IsHidden(fView);
+}
+
+// SetVisible
+void
+BViewLayoutItem::SetVisible(bool visible)
+{
+	if (visible != IsVisible()) {
+		if (visible)
+			fView->Show();
+		else
+			fView->Hide();
+	}
+}
+
+// Frame
+BRect
+BViewLayoutItem::Frame()
+{
+	return fView->Frame();
+}
+
+// SetFrame
+void
+BViewLayoutItem::SetFrame(BRect frame)
+{
+	fView->MoveTo(frame.LeftTop());
+	fView->ResizeTo(frame.Width(), frame.Height());
+}
+
+// HasHeightForWidth
+bool
+BViewLayoutItem::HasHeightForWidth()
+{
+	return fView->HasHeightForWidth();
+}
+
+// GetHeightForWidth
+void
+BViewLayoutItem::GetHeightForWidth(float width, float* min, float* max,
+	float* preferred)
+{
+	fView->GetHeightForWidth(width, min, max, preferred);
+}
+
+// View
+BView*
+BViewLayoutItem::View()
+{
+	return fView;
+}
+
+// InvalidateLayout
+void
+BViewLayoutItem::InvalidateLayout()
+{
+	fView->InvalidateLayout();
+}

src/kits/interface/ViewLayoutItem.h

@@ -0,0 +1,44 @@
+/*
+ * Copyright 2006, Haiku Inc.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef	_VIEW_LAYOUT_ITEM_H
+#define	_VIEW_LAYOUT_ITEM_H
+
+#include <LayoutItem.h>
+
+
+class BViewLayoutItem : public BLayoutItem {
+public:
+								BViewLayoutItem(BView* view);
+	virtual						~BViewLayoutItem();
+
+	virtual	BSize				MinSize();
+	virtual	BSize				MaxSize();
+	virtual	BSize				PreferredSize();
+	virtual	BAlignment			Alignment();
+
+	virtual	void				SetExplicitMinSize(BSize size);
+	virtual	void				SetExplicitMaxSize(BSize size);
+	virtual	void				SetExplicitPreferredSize(BSize size);
+	virtual	void				SetExplicitAlignment(BAlignment alignment);
+
+	virtual	bool				IsVisible();
+	virtual	void				SetVisible(bool visible);
+
+	virtual	BRect				Frame();
+	virtual	void				SetFrame(BRect frame);
+
+	virtual	bool				HasHeightForWidth();
+	virtual	void				GetHeightForWidth(float width, float* min,
+									float* max, float* preferred);
+
+	virtual	BView*				View();
+
+	virtual	void				InvalidateLayout();
+
+private:
+			BView*				fView;
+};
+
+#endif	//	_VIEW_LAYOUT_ITEM_H

src/kits/interface/Window.cpp

@@ -1150,6 +1150,23 @@ FrameMoved(origin);
 			break;
 		}
 
+		case B_LAYOUT_WINDOW:
+		{
+			if (fFlags & B_AUTO_UPDATE_SIZE_LIMITS) {
+				// Get min/max constraints of the top view and enforce window
+				// size limits respectively.
+				BSize minSize = fTopView->MinSize();
+				BSize maxSize = fTopView->MaxSize();
+				SetSizeLimits(minSize.width, maxSize.width,
+					minSize.height, maxSize.height);
+			}
+
+			// do the actual layout
+			fTopView->Layout(false);
+
+			break;
+		}
+
 		default:
 			BLooper::DispatchMessage(msg, target); 
 			break;
@@ -2214,6 +2231,27 @@ BWindow::Run()
 }
 
 
+void
+BWindow::SetLayout(BLayout* layout)
+{
+	fTopView->SetLayout(layout);
+}
+
+
+BLayout*
+BWindow::GetLayout() const
+{
+	return fTopView->GetLayout();
+}
+
+
+void
+BWindow::InvalidateLayout(bool descendants)
+{
+	fTopView->InvalidateLayout(descendants);
+}
+
+
 status_t
 BWindow::GetSupportedSuites(BMessage *data)
 {

src/kits/interface/layouter/ConstraintSolverLayouter.h

@@ -0,0 +1,144 @@
+/*
+ * Copyright 2006, Haiku Inc.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef	CONSTRAINT_SOLVER_LAYOUTER_H
+#define	CONSTRAINT_SOLVER_LAYOUTER_H
+
+#include "Layouter.h"
+
+#include <List.h>
+
+class QcLinInEqSolver;
+class QcConstraint;
+class QcConstraint;
+
+namespace BPrivate {
+namespace Layout {
+
+class ConstraintSolverLayouter : public Layouter {
+public:
+								ConstraintSolverLayouter(int32 elementCount,
+									int32 spacing);
+	virtual						~ConstraintSolverLayouter();
+
+	virtual	void				AddConstraints(int32 element, int32 length,
+									float min, float max, float preferred);
+	virtual	void				SetWeight(int32 element, float weight);
+
+	virtual	float				MinSize();
+	virtual	float				MaxSize();
+	virtual	float				PreferredSize();
+
+	virtual	LayoutInfo*			CreateLayoutInfo();
+	
+	virtual	void				Layout(LayoutInfo* layoutInfo, float size);
+
+	virtual	Layouter*			CloneLayouter();
+
+private:
+			class Set;
+
+			class Variable;
+			class Constraint;
+			class MinConstraint;
+			class MaxConstraint;
+			class MinMaxEntry;
+			class MinMaxMatrix;
+			class MyLayoutInfo;
+
+			friend class Constraint;
+
+			enum {
+				MIN_CONSTRAINT = 0,
+				MAX_CONSTRAINT = 1,
+			};
+
+
+			void				_ValidateMinMax();
+
+			void				_AddMinConstraint(int32 first, int32 last,
+									int32 value);
+			void				_AddMaxConstraint(int32 first, int32 last,
+									int32 value);
+
+			int32				_ComputeMin();
+			int32				_ComputeMax();
+			bool				_ComputeSolution(int32 size);
+
+			bool				_FindIntegerSolution(int32 size);
+			bool				_FindIntegerSolution(const Set& nonIntVariables,
+									const BList& minConstraints,
+									const BList& maxConstraints,
+									int32 sizeDiff);
+
+			Constraint*			_CreateConstraint(int32 type, int32 first,
+									int32 last, int32 value);
+			void				_SetConstraint(int32 type,
+									Constraint** constraints,
+									int32 element, int32 value, bool restrict);
+			void				_SetConstraint(int32 type,
+									BList& constraints,
+									int32 first, int32 last, int32 value,
+									bool restrict);
+			int					_IndexOfConstraint(BList& constraints,
+									int32 first, int32 last);
+			bool				_AddSetSizeConstraint(int32 size);
+
+			void				_AddConstraints();
+			void				_AddConstraints(const BList& constraints);
+			void				_RemoveSetSizeConstraint();
+			void				_RemoveConstraints();
+			void				_RemoveConstraint(Constraint* constraint);
+			void				_GetInvolvedConstraints(
+									const BList& constraints,
+									const BList& variables,
+									BList& filteredConstraints);
+			void				_GetViolatedConstraints(
+									const BList& constraints,
+									BList& violatedConstraints);
+			void				_FilterVariablesByMaxConstraints(
+									const BList& variables,
+									const BList& constraints,
+									Set& filteredVars);
+
+	static	int					_CompareVariables(const void* a, const void* b);
+	static	int					_CompareConstraintsByLength(const void* a,
+									const void* b);
+	static	int					_CompareConstraintsBySatisfactionDistance(
+									const void* a, const void* b);
+
+private:
+			int32				fElementCount;
+			float*				fWeights;
+	
+			Constraint**		fBasicMinConstraints;
+			Constraint**		fBasicMaxConstraints;
+
+			BList				fComplexMinConstraints;
+			BList				fComplexMaxConstraints;
+
+			Variable*			fVariables;
+			Variable*			fSizeVariable;
+
+			QcLinInEqSolver*	fSolver;
+			QcConstraint*		fSizeSumConstraint;
+			QcConstraint*		fSetSizeConstraint;
+
+			bool				fConstraintsAdded;
+			bool				fSetSizeConstraintAdded;
+
+			int32				fSpacing;
+			int32				fMin;
+			int32				fMax;
+			bool				fMinMaxValid;
+
+			MyLayoutInfo*		fLayoutInfo;
+};
+
+}	// namespace Layout
+}	// namespace BPrivate
+
+using BPrivate::Layout::ConstraintSolverLayouter;
+
+#endif	// CONSTRAINT_SOLVER_LAYOUTER_H

src/kits/interface/layouter/Layouter.cpp

@@ -0,0 +1,43 @@
+/*
+ * Copyright 2006, Ingo Weinhold <bonefish@cs.tu-berlin.de>.
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+
+#include "Layouter.h"
+
+
+// constructor
+LayoutInfo::LayoutInfo()
+{
+}
+
+// destructor
+LayoutInfo::~LayoutInfo()
+{
+}
+
+// ElementRangeSize
+float
+LayoutInfo::ElementRangeSize(int32 position, int32 length)
+{
+	if (length == 1)
+		return ElementSize(position);
+
+	int lastIndex = position + length - 1;
+	return ElementLocation(lastIndex) + ElementSize(lastIndex)
+		- ElementLocation(position);
+}
+
+
+// #pragma mark -
+
+
+// constructor
+Layouter::Layouter()
+{
+}
+
+// destructor
+Layouter::~Layouter()
+{
+}

src/kits/interface/layouter/Layouter.h

@@ -0,0 +1,52 @@
+/*
+ * Copyright 2006, Haiku Inc.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef	LAYOUTER_H
+#define	LAYOUTER_H
+
+#include <SupportDefs.h>
+
+namespace BPrivate {
+namespace Layout {
+
+class LayoutInfo {
+public:
+								LayoutInfo();
+	virtual						~LayoutInfo();
+
+	virtual	float				ElementLocation(int32 element) = 0;
+	virtual	float				ElementSize(int32 element) = 0;
+
+	virtual	float				ElementRangeSize(int32 position, int32 length);
+};
+
+
+class Layouter {
+public:
+								Layouter();
+	virtual						~Layouter();
+
+	virtual	void				AddConstraints(int32 element, int32 length,
+									float min, float max, float preferred) = 0;
+	virtual	void				SetWeight(int32 element, float weight) = 0;
+
+	virtual	float				MinSize() = 0;
+	virtual	float				MaxSize() = 0;
+	virtual	float				PreferredSize() = 0;
+
+	virtual	LayoutInfo*			CreateLayoutInfo() = 0;
+	
+	virtual	void				Layout(LayoutInfo* layoutInfo, float size) = 0;
+
+	virtual	Layouter*			CloneLayouter() = 0;
+};
+
+
+}	// namespace Layout
+}	// namespace BPrivate
+
+using BPrivate::Layout::LayoutInfo;
+using BPrivate::Layout::Layouter;
+
+#endif	// LAYOUTER_H

src/kits/interface/layouter/OneElementLayouter.cpp

@@ -0,0 +1,110 @@
+/*
+ * Copyright 2006, Ingo Weinhold <bonefish@cs.tu-berlin.de>.
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+
+#include "OneElementLayouter.h"
+
+#include <Size.h>
+
+
+class OneElementLayouter::MyLayoutInfo : public LayoutInfo {
+public:
+	float	fSize;
+
+	MyLayoutInfo()
+		: fSize(0)
+	{
+	}
+	
+	virtual float ElementLocation(int32 element)
+	{
+		return 0;
+	}
+
+	virtual float ElementSize(int32 element)
+	{
+		return fSize;
+	}
+};
+
+
+// constructor
+OneElementLayouter::OneElementLayouter()
+	: fMin(-1),
+	  fMax(B_SIZE_UNLIMITED),
+	  fPreferred(-1)
+{
+}
+
+// destructor
+OneElementLayouter::~OneElementLayouter()
+{
+}
+
+// AddConstraints
+void
+OneElementLayouter::AddConstraints(int32 element, int32 length,
+	float min, float max, float preferred)
+{
+	fMin = max_c(fMin, min);
+	fMax = min_c(fMax, max);
+	fMax = max_c(fMax, fMin);
+	fPreferred = max_c(fPreferred, preferred);
+	fPreferred = max_c(fPreferred, fMin);
+	fPreferred = min_c(fPreferred, fMax);
+}
+
+// SetWeight
+void
+OneElementLayouter::SetWeight(int32 element, float weight)
+{
+	// not needed
+}
+
+// MinSize
+float
+OneElementLayouter::MinSize()
+{
+	return fMin;
+}
+
+// MaxSize
+float
+OneElementLayouter::MaxSize()
+{
+	return fMax;
+}
+
+// PreferredSize
+float
+OneElementLayouter::PreferredSize()
+{
+	return fPreferred;
+}
+
+// CreateLayoutInfo
+LayoutInfo*
+OneElementLayouter::CreateLayoutInfo()
+{
+	return new MyLayoutInfo;
+}
+
+// Layout
+void
+OneElementLayouter::Layout(LayoutInfo* layoutInfo, float size)
+{
+	((MyLayoutInfo*)layoutInfo)->fSize = max_c(size, fMin);
+}
+
+// CloneLayouter
+Layouter*
+OneElementLayouter::CloneLayouter()
+{
+	OneElementLayouter* layouter = new OneElementLayouter;
+	layouter->fMin = fMin;
+	layouter->fMax = fMax;
+	layouter->fPreferred = fPreferred;
+
+	return layouter;
+}

src/kits/interface/layouter/OneElementLayouter.h

@@ -0,0 +1,45 @@
+/*
+ * Copyright 2006, Haiku Inc.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef	ONE_ELEMENT_LAYOUTER_H
+#define	ONE_ELEMENT_LAYOUTER_H
+
+#include "Layouter.h"
+
+namespace BPrivate {
+namespace Layout {
+
+class OneElementLayouter : public Layouter {
+public:
+								OneElementLayouter();
+	virtual						~OneElementLayouter();
+
+	virtual	void				AddConstraints(int32 element, int32 length,
+									float min, float max, float preferred);
+	virtual	void				SetWeight(int32 element, float weight);
+
+	virtual	float				MinSize();
+	virtual	float				MaxSize();
+	virtual	float				PreferredSize();
+
+	virtual	LayoutInfo*			CreateLayoutInfo();
+	
+	virtual	void				Layout(LayoutInfo* layoutInfo, float size);
+
+	virtual	Layouter*			CloneLayouter();
+
+private:
+			class MyLayoutInfo;
+
+			float				fMin;
+			float				fMax;
+			float				fPreferred;
+};
+
+}	// namespace Layout
+}	// namespace BPrivate
+
+using BPrivate::Layout::OneElementLayouter;
+
+#endif	// ONE_ELEMENT_LAYOUTER_H

src/kits/interface/layouter/SimpleLayouter.cpp

@@ -0,0 +1,457 @@
+/*
+ * Copyright 2006, Ingo Weinhold <bonefish@cs.tu-berlin.de>.
+ * All rights reserved. Distributed under the terms of the MIT License.
+ */
+
+#include "SimpleLayouter.h"
+
+#include <math.h>
+
+#include <LayoutUtils.h>
+#include <List.h>
+#include <Size.h>
+
+
+// no lround() under BeOS R5 x86
+#ifdef HAIKU_TARGET_PLATFORM_LIBBE_TEST
+#	define lround(x)	(long)floor((x) + 0.5)
+#endif
+
+
+// ElementLayoutInfo
+class SimpleLayouter::ElementLayoutInfo {
+public:
+	int32	size;
+	int32	location;
+
+	ElementLayoutInfo()
+		: size(0),
+		  location(0)
+	{
+	}
+};
+
+// ElementInfo
+class SimpleLayouter::ElementInfo {
+public:
+	int32	index;
+	int32	min;
+	int32	max;
+	int32	preferred;
+	float	weight;
+	int64	tempWeight;
+
+	ElementInfo()
+		: index(0),
+		  min(0),
+		  max(B_SIZE_UNLIMITED),
+		  preferred(0),
+		  weight(1),
+		  tempWeight(0)
+	{		
+	}
+	
+	ElementInfo(int index)
+		: index(index),
+		  min(0),
+		  max(B_SIZE_UNLIMITED),
+		  preferred(0),
+		  weight(1),
+		  tempWeight(0)
+	{		
+	}
+	
+	void Assign(const ElementInfo& info)
+	{
+		min = info.min;
+		max = info.max;
+		preferred = info.preferred;
+		weight = info.weight;
+		tempWeight = info.tempWeight;
+	}
+};
+
+// MyLayoutInfo
+class SimpleLayouter::MyLayoutInfo : public LayoutInfo {
+public:
+	int32				fSize;
+	ElementLayoutInfo*	fElements;
+	int32				fElementCount;
+
+	MyLayoutInfo(int32 elementCount)
+		: fSize(0),
+		  fElementCount(elementCount)
+	{
+		fElements = new ElementLayoutInfo[elementCount];
+	}
+
+	virtual ~MyLayoutInfo()
+	{
+		delete[] fElements;
+	}
+	
+	virtual float ElementLocation(int32 element)
+	{
+		if (element < 0 || element >= fElementCount) {
+			// error
+			return 0;
+		}
+
+		return fElements[element].location;
+	}
+
+	virtual float ElementSize(int32 element)
+	{
+		if (element < 0 || element >= fElementCount) {
+			// error
+			return -1;
+		}
+
+		return fElements[element].size - 1;
+	}
+};
+
+
+// constructor
+SimpleLayouter::SimpleLayouter(int32 elementCount, int32 spacing)
+	: fElementCount(elementCount),
+	  fSpacing(spacing),
+	  fMin(0),
+	  fMax(B_SIZE_UNLIMITED),
+	  fPreferred(0),
+	  fMinMaxValid(false),
+	  fLayoutInfo(NULL)
+{
+	fElements = new ElementInfo[elementCount];
+	for (int i = 0; i < elementCount; i++)
+		fElements[i].index = i;
+}
+
+// destructor
+SimpleLayouter::~SimpleLayouter()
+{
+	delete[] fElements;
+}
+
+// AddConstraints
+void
+SimpleLayouter::AddConstraints(int32 element, int32 length,
+	float _min, float _max, float _preferred)
+{
+	if (element < 0 || element >= fElementCount) {
+		// error
+		return;
+	}
+	if (length != 1) {
+		// error
+		return;
+	}
+
+	int32 min = (int32)_min + 1;
+	int32 max = (int32)_max + 1;
+//	int32 preferred = (int32)_preferred + 1;
+	
+	ElementInfo& info = fElements[element];
+	info.min = max_c(info.min, min);
+	info.max = min_c(info.max, max);
+	info.preferred = max_c(info.min, min);
+
+	fMinMaxValid = false;
+}
+
+// SetWeight
+void
+SimpleLayouter::SetWeight(int32 element, float weight)
+{
+	if (element < 0 || element >= fElementCount) {
+		// error
+		return;
+	}
+
+	fElements[element].weight = weight;
+}
+
+// MinSize
+float
+SimpleLayouter::MinSize()
+{
+	_ValidateMinMax();
+	return fMin - 1;
+}
+
+// MaxSize
+float
+SimpleLayouter::MaxSize()
+{
+	_ValidateMinMax();
+	return fMax - 1;
+}
+
+// PreferredSize
+float
+SimpleLayouter::PreferredSize()
+{
+	_ValidateMinMax();
+	return fPreferred - 1;
+}
+
+// CreateLayoutInfo
+LayoutInfo*
+SimpleLayouter::CreateLayoutInfo()
+{
+	return new MyLayoutInfo(fElementCount);
+}
+
+// Layout
+void
+SimpleLayouter::Layout(LayoutInfo* layoutInfo, float _size)
+{
+	int32 size = int32(_size + 1);
+
+	fLayoutInfo = (MyLayoutInfo*)layoutInfo;
+	
+	_ValidateMinMax();
+
+	if (fElementCount == 0)
+		return;
+
+	fLayoutInfo->fSize = max_c(size, fMin);
+
+	// layout the elements
+	if (fLayoutInfo->fSize >= fMax)
+		_LayoutMax();
+	else
+		_LayoutStandard();
+
+	// set locations
+	int location = 0;
+	for (int i = 0; i < fElementCount; i++) {
+		fLayoutInfo->fElements[i].location = location;
+		location += fSpacing + fLayoutInfo->fElements[i].size;
+	}
+}
+
+// CloneLayouter
+Layouter*
+SimpleLayouter::CloneLayouter()
+{
+	SimpleLayouter* layouter = new SimpleLayouter(fElementCount, fSpacing);
+
+	for (int i = 0; i < fElementCount; i++)
+		layouter->fElements[i].Assign(fElements[i]);
+
+	layouter->fMin = fMin;
+	layouter->fMax = fMax;
+	layouter->fPreferred = fPreferred;
+
+	return layouter;
+}
+
+// DistributeSize
+void
+SimpleLayouter::DistributeSize(int32 size, float weights[], int32 sizes[],
+	int32 count)
+{
+	// create element infos
+	BList elementInfos(count);
+	for (int32 i = 0; i < count; i++) {
+		ElementInfo* info = new ElementInfo(i);
+		info->weight = weights[i];
+		elementInfos.AddItem(info);
+	}
+
+	// compute integer weights
+	int64 sumWeight = _CalculateSumWeight(elementInfos);
+
+	// distribute the size
+	int64 weight = 0;
+	int32 sumSize = 0;
+	for (int32 i = 0; i < count; i++) {
+		ElementInfo* info = (ElementInfo*)elementInfos.ItemAt(i);
+		weight += info->tempWeight;
+		int32 oldSumSize = sumSize;
+		sumSize = (int32)(size * weight / sumWeight);
+		sizes[i] = sumSize - oldSumSize;
+
+		delete info;
+	}
+}
+
+// _CalculateSumWeight
+long
+SimpleLayouter::_CalculateSumWeight(BList& elementInfos)
+{
+	if (elementInfos.IsEmpty())
+		return 0;
+	int32 count = elementInfos.CountItems();
+	
+	// sum up the floating point weight, so we get a scale
+	double scale = 0;
+	for (int32 i = 0; i < count; i++) {
+		ElementInfo* info = (ElementInfo*)elementInfos.ItemAt(i);
+		scale += info->weight;
+	}
+
+	int64 weight = 0;
+
+	if (scale == 0) {
+		// The weight sum is 0: We assign each info a temporary weight of 1.
+		for (int32 i = 0; i < count; i++) {
+			ElementInfo* info = (ElementInfo*)elementInfos.ItemAt(i);
+			info->tempWeight = 1;
+			weight += info->tempWeight;
+		}
+	} else {
+		// We scale the weights so that their sum is about 100000. This should
+		// give us ample resolution. If possible make the scale integer, so that
+		// integer weights will produce exact results.
+		if (scale >= 1 && scale <= 100000)
+			scale = lround(100000 / scale);
+		else
+			scale = 100000 / scale;
+
+		for (int32 i = 0; i < count; i++) {
+			ElementInfo* info = (ElementInfo*)elementInfos.ItemAt(i);
+			info->tempWeight = (int64)(info->weight * scale);
+			weight += info->tempWeight;
+		}
+	}
+	
+	return weight;
+}
+
+// _ValidateMinMax	
+void
+SimpleLayouter::_ValidateMinMax()
+{
+	if (fMinMaxValid)
+		return;
+
+	fMinMaxValid = true;
+
+	if (fElementCount == 0) {
+		fMin = 0;
+		fMax = B_SIZE_UNLIMITED;
+		fPreferred = 0;
+		return;
+	}
+	
+	int spacing = (fElementCount - 1) * fSpacing;
+	fMin = spacing;
+	fMax = spacing;
+	fPreferred = spacing;
+
+	for (int i = 0; i < fElementCount; i++) {
+		ElementInfo& info = fElements[i];
+
+		// correct the preferred and maximum sizes
+		if (info.max < info.min)
+			info.max = info.min;
+		if (info.preferred < info.min)
+			info.preferred = info.min;
+		else if (info.preferred > info.max)
+			info.preferred = info.max;
+
+		// sum up
+		fMin += info.min;
+		fMax = BLayoutUtils::AddSizesInt32(fMax, info.max);
+		fPreferred = BLayoutUtils::AddSizesInt32(fPreferred, info.preferred);
+	}
+}
+
+// _LayoutMax
+void
+SimpleLayouter::_LayoutMax()
+{
+	ElementInfo* infos = fElements;
+	int32 count = fElementCount;
+	if (count == 0)
+		return;
+
+	int32 additionalSpace = fLayoutInfo->fSize - fMax;
+
+	// layout to the maximum first
+	for (int i = 0; i < count; i++)
+		fLayoutInfo->fElements[infos[i].index].size = infos[i].max;
+
+// Mmh, distributing according to the weights doesn't look that good.
+//	// Now distribute the additional space according to the weights.
+//	int64 sumWeight = calculateSumWeight(Arrays.asList(infos));
+//	int64 weight = 0;
+//	int64 sumSize = 0;
+//	for (int i = 0; i < infos.length; i++) {
+//		weight += infos[i].tempWeight;
+//		int64 oldSumSize = sumSize;
+//		sumSize = (int)(additionalSpace * weight / sumWeight);
+//		fLayoutInfo.fElements[infos[i].index].size += sumSize - oldSumSize;
+//	}
+
+	// distribute the additional space equally
+	int64 sumSize = 0;
+	for (int i = 0; i < count; i++) {
+		int64 oldSumSize = sumSize;
+		sumSize = additionalSpace * (i + 1) / count;
+		fLayoutInfo->fElements[infos[i].index].size
+			+= int32(sumSize - oldSumSize);
+	}
+}
+
+// _LayoutStandard
+void
+SimpleLayouter::_LayoutStandard()
+{
+	int32 space = fLayoutInfo->fSize - (fElementCount - 1) * fSpacing;
+
+	BList infosToLayout(fElementCount);
+	for (int i = 0; i < fElementCount; i++) {
+		infosToLayout.AddItem(&fElements[i]);
+		fLayoutInfo->fElements[i].size = 0;
+	}
+
+	BList infosUnderMax(fElementCount);
+	BList infosOverMin(fElementCount);
+	while (infosToLayout.CountItems() > 0) {
+		int32 remainingSpace = 0;
+		int32 infoCount = infosToLayout.CountItems();
+		int64 sumWeight = _CalculateSumWeight(infosToLayout);
+		int64 assignedWeight = 0;
+		int32 assignedSize = 0;
+
+		for (int32 i = 0; i < infoCount; i++) {
+			ElementInfo* info = (ElementInfo*)infosToLayout.ItemAt(i);
+			ElementLayoutInfo& layoutInfo = fLayoutInfo->fElements[info->index];
+			// The simple algorithm is this:
+			// info.size += (int)(space * info.tempWeight / sumWeight);
+			// I.e. we simply assign space according to the weight. To avoid the
+			// rounding problematic, we make it a bit more complicated. We
+			// assign the difference of total assignment for all infos including
+			// the current one minus the total excluding the current one.
+			assignedWeight += info->tempWeight;
+			int32 oldAssignedSize = assignedSize;
+			assignedSize = (int32)(space * assignedWeight / sumWeight);
+			layoutInfo.size += assignedSize - oldAssignedSize;
+
+			if (layoutInfo.size < info->min) {
+				remainingSpace += layoutInfo.size - info->min;
+				layoutInfo.size = info->min;
+			} else if (layoutInfo.size > info->max) {
+				remainingSpace += layoutInfo.size - info->max;
+				layoutInfo.size = info->max;
+			}
+
+			if (layoutInfo.size > info->min)
+				infosOverMin.AddItem(info);
+			if (layoutInfo.size < info->max)
+				infosUnderMax.AddItem(info);
+		}
+
+		infosToLayout.MakeEmpty();
+		if (remainingSpace > 0)
+			infosToLayout.AddList(&infosUnderMax);
+		else if (remainingSpace < 0)
+			infosToLayout.AddList(&infosOverMin);
+		infosUnderMax.MakeEmpty();
+		infosOverMin.MakeEmpty();
+		space = remainingSpace;
+	}
+}

src/kits/interface/layouter/SimpleLayouter.h

@@ -0,0 +1,68 @@
+/*
+ * Copyright 2006, Haiku Inc.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef	SIMPLE_LAYOUTER_H
+#define	SIMPLE_LAYOUTER_H
+
+#include "Layouter.h"
+
+class BList;
+
+namespace BPrivate {
+namespace Layout {
+
+class SimpleLayouter : public Layouter {
+public:
+								SimpleLayouter(int32 elementCount,
+									int32 spacing);
+	virtual						~SimpleLayouter();
+
+	virtual	void				AddConstraints(int32 element, int32 length,
+									float min, float max, float preferred);
+	virtual	void				SetWeight(int32 element, float weight);
+
+	virtual	float				MinSize();
+	virtual	float				MaxSize();
+	virtual	float				PreferredSize();
+
+	virtual	LayoutInfo*			CreateLayoutInfo();
+	
+	virtual	void				Layout(LayoutInfo* layoutInfo, float size);
+
+	virtual	Layouter*			CloneLayouter();
+
+	static	void				DistributeSize(int32 size, float weights[],
+									int32 sizes[], int32 count);
+
+private:
+	static	long				_CalculateSumWeight(BList& elementInfos);
+	
+			void				_ValidateMinMax();
+			void				_LayoutMax();
+			void				_LayoutStandard();
+
+private:
+			class ElementLayoutInfo;
+			class ElementInfo;
+			class MyLayoutInfo;
+
+			int32				fElementCount;
+			int32				fSpacing;
+			ElementInfo*		fElements;
+
+			int32				fMin;
+			int32				fMax;
+			int32				fPreferred;
+
+			bool				fMinMaxValid;
+
+			MyLayoutInfo*		fLayoutInfo;
+};
+
+}	// namespace Layout
+}	// namespace BPrivate
+
+using BPrivate::Layout::SimpleLayouter;
+
+#endif	// SIMPLE_LAYOUTER_H

src/kits/interface/qoca/ChangeLog

@@ -0,0 +1,17 @@
+2000-10-16  Peter Moulder  <[email protected]>
+
+	* QcConstraintRep.hh (isSatisfied): Compile in unconditionally.
+
+2000-08-14  Peter Moulder  <[email protected]>
+
+
+	* QcBiMap.hh (class QcBiMap): Remove unused methods ChangeIndex, EraseByIdentifier.
+	* QcBiMapNotifier.hh (class QcBiMapNotifier): Remove unused method ChangeConstraint.
+
+	* QcSolver and all derived classes (EndAddConstraint): return a
+	bool indicating success.
+
+2000-07-21  Peter Moulder  <[email protected]>
+
+	* QcFloat.hh (GetValue): New method.
+

src/kits/interface/qoca/Jamfile

@@ -0,0 +1,60 @@
+SubDir HAIKU_TOP src kits interface qoca ;
+
+# Don't compile qoca with debugging. Debug/non-debug versions are
+# incompatible.
+DEBUG = 0 ;
+
+SetSubDirSupportedPlatforms haiku libbe_test ;
+
+{
+	local defines = [ FDefines HAVE_RINT=1 QOCA_INTERNALS ] ;
+	SubDirCcFlags $(defines) ;
+	SubDirC++Flags $(defines) ;
+}
+
+SubDirSysHdrs [ FDirName $(SUBDIR) $(DOTDOT) ] ;
+
+SharedLibrary libqoca.so :
+	QcCassSolver.cc
+	QcCompPivotSystem.cc
+	QcCompPivotTableau.cc
+	QcConstraintRep.cc
+	QcCoreTableau.cc
+	QcDelCoreTableau.cc
+	QcDelLinEqTableau.cc
+	QcDelLinInEqTableau.cc
+	QcDenseMatrix.cc
+	QcFixedFloatRep.cc
+	QcFloatRep.cc
+	QcIneqSolverBase.cc
+	QcLinEqSolver.cc
+	QcLinEqSystem.cc
+	QcLinEqTableau.cc
+	QcLinInEqSolver.cc
+	QcLinInEqSystem.cc
+	QcLinInEqTableau.cc
+	QcLinPoly.cc
+	QcLinEqColStateVector.cc
+	QcLinEqRowStateVector.cc
+	QcLinInEqColStateVector.cc
+	QcLinInEqRowColStateVector.cc
+	QcNlpSolver.cc
+	QcNomadicFloatRep.cc
+	QcOrigRowStateVector.cc
+	QcQuasiRowColStateVector.cc
+	QcQuasiRowStateVector.cc
+	QcSolver.cc
+	QcSparseMatrix.cc
+	QcVarStow.cc
+	QcVariableBiMap.cc
+	:
+	$(TARGET_LIBSTDC++)
+;
+
+
+# also install in app_server test environment
+if ( $(TARGET_PLATFORM) = libbe_test ) {
+	HaikuInstall install-test-apps : $(HAIKU_APP_TEST_LIB_DIR)
+		: libqoca.so
+		: tests!apps ;
+}

src/kits/interface/qoca/KeyIterator.hh

@@ -0,0 +1,25 @@
+#ifndef KeyIteratorHH
+#define KeyIteratorHH
+
+template <class Iterator, class Key>
+class KeyIterator
+  : public Iterator
+{
+public:
+  KeyIterator (Iterator i)
+    : Iterator (i)
+    {
+    }
+
+  Key const & operator* () const
+    {
+      return (*((Iterator const *) this))->first;
+    }
+
+  Key const * operator->() const
+    {
+      return &(*((Iterator const *) this))->first;
+    }
+};
+
+#endif /* !KeyIteratorHH */

src/kits/interface/qoca/Makefile.am

@@ -0,0 +1,138 @@
+$(srcdir)/Makefile.am: Makefile.am.m4
+	rm -f $(srcdir)/$(@F)
+	m4 -P $(srcdir)/$(<F) > $(srcdir)/$(@F)
+# AFAIK, this has to be in srcdir (as opposed to bsrcdir).
+
+
+
+
+
+
+##bsrcdir = $(srcdir)
+bsrcdir = .
+
+
+
+.ch.cc: $(CH2XX)
+	@rm -f $(bsrcdir)/$(*F).cc && if echo "$(CH2XX) -c $< > $(bsrcdir)/$(*F).cc" \
+	  && $(CH2XX) -c $< > $(bsrcdir)/$(*F).cc; \
+	then :; \
+	else echo "rm -f $(bsrcdir)/$(*F).cc; exit 1" \
+	  && rm -f $(bsrcdir)/$(*F).cc; exit 1; fi
+
+.ch.hh: $(CH2XX)
+	@rm -f $(bsrcdir)/$(*F).hh && if echo "$(CH2XX) -i $< > $(bsrcdir)/$(*F).hh" \
+	  && $(CH2XX) -i $< > $(bsrcdir)/$(*F).hh; \
+	then :; \
+	else echo "rm -f $(bsrcdir)/$(*F).hh; exit 1" \
+	  && rm -f $(bsrcdir)/$(*F).hh; exit 1; fi
+
+.ch.H: $(CH2XX)
+	@rm -f $(bsrcdir)/$(*F).H && if echo "$(CH2XX) -d $< > $(bsrcdir)/$(*F).H" \
+	  && $(CH2XX) -d $< > $(bsrcdir)/$(*F).H; \
+	then :; \
+	else echo "rm -f $(bsrcdir)/$(*F).H; exit 1" \
+	  && rm -f $(bsrcdir)/$(*F).H; exit 1; fi
+
+DEPS_MAGIC := $(shell mkdir .deps > /dev/null 2>&1 || :)
+
+
+
+
+DEP_FILES =  .deps/QcCassSolver.P .deps/QcCompPivotSystem.P .deps/QcCompPivotTableau.P .deps/QcConstraintRep.P .deps/QcCoreTableau.P .deps/QcDelCoreTableau.P .deps/QcDelLinEqTableau.P .deps/QcDelLinInEqTableau.P .deps/QcDenseMatrix.P .deps/QcFixedFloatRep.P .deps/QcFloatRep.P .deps/QcIneqSolverBase.P .deps/QcLinEqSolver.P .deps/QcLinEqSystem.P .deps/QcLinEqTableau.P .deps/QcLinInEqSolver.P .deps/QcLinInEqSystem.P .deps/QcLinInEqTableau.P .deps/QcLinPoly.P .deps/QcLinEqColStateVector.P .deps/QcLinEqRowStateVector.P .deps/QcLinInEqColStateVector.P .deps/QcLinInEqRowColStateVector.P .deps/QcNlpSolver.P .deps/QcNomadicFloatRep.P .deps/QcOrigRowStateVector.P .deps/QcQuasiRowColStateVector.P .deps/QcQuasiRowStateVector.P .deps/QcSolver.P .deps/QcSparseMatrix.P .deps/QcVarStow.P .deps/QcVariableBiMap.P
+
+
+-include $(DEP_FILES)
+
+.cc.ii0:
+	@rm -f $(bsrcdir)/$(@F) && if echo "$(CXXCPP) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) -Wp,-MD,.deps/$(*F).pp $< > $(bsrcdir)/$(@F)" \
+	  && $(CXXCPP) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) -Wp,-MD,.deps/$(*F).pp $< > $(bsrcdir)/$(@F); \
+	then :; \
+	else echo "rm -f $(bsrcdir)/$(@F); exit 1" \
+	  && rm -f $(bsrcdir)/$(@F); exit 1; fi
+	@rm -f .deps/$(*F).P
+	@-sed 's/\.o/.ii0/g' < .deps/$(*F).pp > .deps/$(*F).P; \
+	tr ' ' '\012' < .deps/$(*F).pp \
+	  | sed -e 's/^\\$$//' -e '/^$$/ d' -e '/:$$/ d' -e 's/$$/ :/' \
+	    >> .deps/$(*F).P; \
+	rm .deps/$(*F).pp
+
+
+CXXFLAGS = @CXXFLAGS@
+CXXLD = $(CXX)
+CXXLINK = $(LIBTOOL) --mode=link $(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) $(LDFLAGS) -o $@
+CXXCOMPILE = $(CXX) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS)
+LTCXXCOMPILE = $(LIBTOOL) --mode=compile $(CXX) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS)
+
+libqoca_la_myOBJECTS =  QcCassSolver.lo QcCompPivotSystem.lo QcCompPivotTableau.lo QcConstraintRep.lo QcCoreTableau.lo QcDelCoreTableau.lo QcDelLinEqTableau.lo QcDelLinInEqTableau.lo QcDenseMatrix.lo QcFixedFloatRep.lo QcFloatRep.lo QcIneqSolverBase.lo QcLinEqSolver.lo QcLinEqSystem.lo QcLinEqTableau.lo QcLinInEqSolver.lo QcLinInEqSystem.lo QcLinInEqTableau.lo QcLinPoly.lo QcLinEqColStateVector.lo QcLinEqRowStateVector.lo QcLinInEqColStateVector.lo QcLinInEqRowColStateVector.lo QcNlpSolver.lo QcNomadicFloatRep.lo QcOrigRowStateVector.lo QcQuasiRowColStateVector.lo QcQuasiRowStateVector.lo QcSolver.lo QcSparseMatrix.lo QcVarStow.lo QcVariableBiMap.lo
+
+ii0_files =  QcCassSolver.ii0 QcCompPivotSystem.ii0 QcCompPivotTableau.ii0 QcConstraintRep.ii0 QcCoreTableau.ii0 QcDelCoreTableau.ii0 QcDelLinEqTableau.ii0 QcDelLinInEqTableau.ii0 QcDenseMatrix.ii0 QcFixedFloatRep.ii0 QcFloatRep.ii0 QcIneqSolverBase.ii0 QcLinEqSolver.ii0 QcLinEqSystem.ii0 QcLinEqTableau.ii0 QcLinInEqSolver.ii0 QcLinInEqSystem.ii0 QcLinInEqTableau.ii0 QcLinPoly.ii0 QcLinEqColStateVector.ii0 QcLinEqRowStateVector.ii0 QcLinInEqColStateVector.ii0 QcLinInEqRowColStateVector.ii0 QcNlpSolver.ii0 QcNomadicFloatRep.ii0 QcOrigRowStateVector.ii0 QcQuasiRowColStateVector.ii0 QcQuasiRowStateVector.ii0 QcSolver.ii0 QcSparseMatrix.ii0 QcVarStow.ii0 QcVariableBiMap.ii0
+
+libqoca.la: $(ii0_files) $(libqoca_la_myOBJECTS) $(libqoca_la_DEPENDENCIES)
+	$(CXXLINK) -rpath $(libdir) $(libqoca_la_LDFLAGS) $(libqoca_la_myOBJECTS) $(libqoca_la_LIBADD) $(LIBS)
+
+
+.ii0.o:
+	@if test -f $@ && cmp -s $(bsrcdir)/$(<F) $(bsrcdir)/$(*F).ii 2>/dev/null; then :; else \
+	 echo "cp $(bsrcdir)/$(<F) $(bsrcdir)/$(*F).ii" \
+	  && cp $(bsrcdir)/$(<F) $(bsrcdir)/$(*F).ii && \
+	 echo "$(CXXCOMPILE) -c $(bsrcdir)/$(*F).ii" \
+	  && $(CXXCOMPILE) -c $(bsrcdir)/$(*F).ii; \
+	fi
+
+.ii0.lo:
+	@if test -f $@ && cmp -s $(bsrcdir)/$(<F) $(bsrcdir)/$(*F).ii 2>/dev/null; then :; else \
+	 echo "cp $(bsrcdir)/$(<F) $(bsrcdir)/$(*F).ii" \
+	  && cp $(bsrcdir)/$(<F) $(bsrcdir)/$(*F).ii && \
+	 echo "$(LTCXXCOMPILE) -c $(bsrcdir)/$(*F).ii" \
+	  && $(LTCXXCOMPILE) -c $(bsrcdir)/$(*F).ii; \
+	fi
+
+
+# Note that we must start off with no .deps files.
+
+
+
+
+cc = cc
+BUILT_SOURCES =  arith.H QcAliasedBiMap.H QcAliasedBiMap.hh QcASetSolver.H QcASetSolver.hh QcASetSolver.$(cc) QcBiMap.H QcBiMap.hh QcFloatRep.H QcFloatRep.hh QcFloatRep.$(cc) QcFixedFloatRep.H QcFixedFloatRep.hh QcFixedFloatRep.$(cc) QcIneqSolverBase.H QcIneqSolverBase.hh QcIneqSolverBase.$(cc) QcLinEqColStateVector.H QcLinEqColStateVector.hh QcLinEqColStateVector.$(cc) QcLinEqRowStateVector.H QcLinEqRowStateVector.hh QcLinEqRowStateVector.$(cc) QcLinInEqColStateVector.H QcLinInEqColStateVector.hh QcLinInEqColStateVector.$(cc) QcLinInEqRowColStateVector.H QcLinInEqRowColStateVector.hh QcLinInEqRowColStateVector.$(cc) QcNlpSolver.H QcNlpSolver.hh QcNlpSolver.$(cc) QcNomadicFloatRep.H QcNomadicFloatRep.hh QcNomadicFloatRep.$(cc) QcNullIterator.H QcOrigRowStateVector.H QcOrigRowStateVector.hh QcOrigRowStateVector.$(cc) QcQuasiRowColStateVector.H QcQuasiRowColStateVector.hh QcQuasiRowColStateVector.$(cc) QcQuasiRowStateVector.H QcQuasiRowStateVector.hh QcQuasiRowStateVector.$(cc) QcSolver.H QcSolver.hh QcSolver.$(cc) QcVarStow.H QcVarStow.hh QcVarStow.$(cc) QcVariableBiMap.H QcVariableBiMap.hh QcVariableBiMap.$(cc) 
+
+SUFFIXES = .ch .cc .hh .H .ii0
+
+lib_LTLIBRARIES = libqoca.la
+# Version info is `CURRENT[:REVISION[:AGE]]': *see (libtool)Versioning,
+# in the libtool info page.
+libqoca_la_LDFLAGS = -version-info 0:0:0
+libqoca_la_LIBADD = -lstdc++ $(lwn) $(lgmp)
+
+# Package visibility is implemented in C++ as `#ifdef QOCA_INTERNALS'.
+# N.B. This is only for methods; for vars, make the var itself private
+# and provide package-visible inline access methods.
+# N.B.2: Also be careful of the needs of inline functions.
+INCLUDES = -DQOCA_INTERNALS -I.. -I$(top_srcdir)/cxx
+
+# Things needed by user programs.  User programs #include only Qc.h, but Qc.h
+# #includes the rest of these.
+pkginclude_HEADERS =  arith.H KeyIterator.hh QcASetSolver.H QcAliasedBiMap.H QcAliasedBiMap.hh QcFloat.hh QcFixedFloat.hh QcConstraint.hh QcBasicnessVarIndexIterator.hh QcBiMap.H QcBiMap.hh QcCassSolver.hh QcLinEqSolver.hh QcLinInEqSolver.hh QcUtility.hh QcDefines.hh QcEnables.H QcFixedFloatRep.H QcFixedFloatRep.hh QcFloatRep.H QcFloatRep.hh QcCassConstraint.hh QcDelLinEqSystem.hh QcDesireValueStore.hh QcCompPivotSystem.hh QcCompPivotTableau.hh QcConstraintRep.hh QcDelLinEqTableau.hh QcDelLinInEqSystem.hh QcException.hh QcIneqSolverBase.H QcLinEqSystem.hh QcLinInEqSystem.hh QcLinPoly.hh QcBiMapNotifier.hh QcDelLinInEqTableau.hh QcLinEqTableau.hh QcLinInEqTableau.hh QcLinPolyTerm.hh QcSolver.H QcSolver.hh QcSparseCoeff.hh QcConstraintBiMap.hh QcDelCoreTableau.hh QcLinEqRowColStateVector.hh QcLinInEqRowColStateVector.H QcLinInEqRowColStateVector.hh QcRowAdaptor.hh QcTableau.hh QcVariableBiMap.H QcVariableBiMap.hh QcCoreTableau.hh QcDenseMatrix.hh QcLinEqColStateVector.H QcLinEqColStateVector.hh QcLinEqRowStateVector.H QcLinEqRowStateVector.hh QcLinInEqColStateVector.H QcLinInEqColStateVector.hh QcNullableConstraint.hh QcNullableElement.hh QcNullableFloat.hh QcQuasiRowColStateVector.H QcQuasiRowColStateVector.hh QcSparseMatrixColIterator.hh QcTableauRowIterator.hh QcLinEqColState.hh QcLinEqRowState.hh QcLinInEqColState.hh QcMatrix.hh QcNlpSolver.H QcNlpSolver.hh QcNomadicFloatRep.H QcNomadicFloatRep.hh QcOrigRowStateVector.H QcOrigRowStateVector.hh QcQuasiColStateVector.hh QcQuasiRowStateVector.H QcQuasiRowStateVector.hh QcSolvedFormMatrix.hh QcSparseMatrixIterator.hh QcSparseMatrixRowIterator.hh QcMatrixIterator.hh QcOrigRowState.hh QcQuasiColState.hh QcQuasiRowState.hh QcSparseMatrix.hh QcStateVector.hh QcIterator.hh QcSparseMatrixElement.hh QcState.hh QcUnsortedListSet.hh QcVarStow.H 
+
+dist_libqoca_sources =  QcASetSolver.H QcASetSolver.hh QcASetSolver.$(cc) QcCassSolver.cc QcCompPivotSystem.cc QcCompPivotTableau.cc QcConstraintRep.cc QcCoreTableau.cc QcDelCoreTableau.cc QcDelLinEqTableau.cc QcDelLinInEqTableau.cc QcDenseMatrix.cc QcFloatRep.cc QcIneqSolverBase.H QcIneqSolverBase.hh QcIneqSolverBase.$(cc) QcLinEqSolver.cc QcLinEqSystem.cc QcLinEqTableau.cc QcLinInEqSolver.cc QcLinInEqSystem.cc QcLinInEqTableau.cc QcLinPoly.cc QcSolver.cc QcSparseMatrix.cc KeyIterator.hh QcAliasedBiMap.H QcAliasedBiMap.hh QcBasicnessVarIndexIterator.hh QcBasicVarIndexIterator.hh QcBiMap.H QcBiMap.hh QcBiMapNotifier.hh QcCassConstraint.hh QcCassSolver.hh QcCompPivotSystem.hh QcCompPivotTableau.hh QcConstraint.hh QcConstraintBiMap.hh QcConstraintIndexIterator.hh QcConstraintRep.hh QcCoreTableau.hh QcDefines.hh QcDelCoreTableau.hh QcDelLinEqSystem.hh QcDelLinEqTableau.hh QcDelLinInEqSystem.hh QcDelLinInEqTableau.hh QcDenseMatrix.hh QcDenseMatrixColIterator.hh QcDenseMatrixIterator.hh QcDenseMatrixRowIterator.hh QcDenseTableauColIterator.hh QcDenseTableauIterator.hh QcDenseTableauRowIterator.hh QcDesireValueStore.hh QcException.hh QcFixedFloat.hh QcFixedFloatRep.cc QcFixedFloatRep.hh QcFloat.hh QcFloatRep.hh QcIterator.hh QcLinEqColState.hh QcLinEqColStateVector.H QcLinEqColStateVector.hh QcLinEqColStateVector.$(cc) QcLinEqRowColStateVector.hh QcLinEqRowState.hh QcLinEqRowStateVector.H QcLinEqRowStateVector.hh QcLinEqRowStateVector.$(cc) QcLinEqSolver.hh QcLinEqSystem.hh QcLinEqTableau.hh QcLinInEqColState.hh QcLinInEqColStateVector.H QcLinInEqColStateVector.hh QcLinInEqColStateVector.$(cc) QcLinInEqRowColStateVector.H QcLinInEqRowColStateVector.hh QcLinInEqRowColStateVector.$(cc) QcLinInEqSolver.hh QcLinInEqSystem.hh QcLinInEqTableau.hh QcLinPoly.hh QcLinPolyTerm.hh QcMatrix.hh QcMatrixIterator.hh QcOrigRowState.hh QcNlpSolver.H QcNlpSolver.hh QcNlpSolver.$(cc) QcNomadicFloatRep.cc QcNomadicFloatRep.hh QcNullIterator.H QcNullableConstraint.hh QcNullableElement.hh QcNullableFloat.hh QcOrigRowStateVector.H QcOrigRowStateVector.hh QcOrigRowStateVector.cc QcParamVarIndexIterator.hh QcQuasiColState.hh QcQuasiColStateVector.hh QcQuasiRowColStateVector.H QcQuasiRowColStateVector.hh QcQuasiRowColStateVector.$(cc) QcRowAdaptor.hh QcQuasiRowStateVector.H QcQuasiRowStateVector.hh QcQuasiRowStateVector.cc QcQuasiRowState.hh QcSolvedFormMatrix.hh QcSolver.hh QcSparseCoeff.hh QcSparseMatrix.hh QcSparseMatrixColIterator.hh QcSparseMatrixElement.hh QcSparseMatrixIterator.hh QcSparseMatrixRowIterator.hh QcState.hh QcStateVector.hh QcStructVarIndexIterator.hh QcTableau.hh QcTableauColIterator.hh QcTableauRowIterator.hh QcUnsortedListSet.hh QcUtility.hh QcVarStow.H QcVarStow.hh QcVarStow.$(cc) QcVariableBiMap.H QcVariableBiMap.hh QcVariableBiMap.$(cc) QcVariableIndexIterator.hh arith.H 
+
+ch_files =  QcAliasedBiMap.ch QcASetSolver.ch QcBiMap.ch QcFixedFloatRep.ch QcFloatRep.ch QcIneqSolverBase.ch QcLinEqColStateVector.ch QcLinEqRowStateVector.ch QcLinInEqColStateVector.ch QcLinInEqRowColStateVector.ch QcNlpSolver.ch QcNomadicFloatRep.ch QcNullIterator.ch QcOrigRowStateVector.ch QcQuasiRowColStateVector.ch QcQuasiRowStateVector.ch QcSolver.ch QcVariableBiMap.ch QcVarStow.ch arith.ch 
+
+libqoca_la_SOURCES =
+# Rationale for emptiness: If it has any .cc files, then automake
+# produces .cc.o rules, which stuffs things up (because make sometimes
+# tries to use them directly instead of using the .ii0.o rule).  If it
+# had .ii0 files, then the .ii0 files would be put into distdir, which
+# is wrong because .ii0 files contain system header file contents.
+
+EXTRA_DIST = $(dist_libqoca_sources) Makefile.am.m4 $(ch_files)
+
+CLEANFILES = *.ii *.ii0
+
+DISTCLEANFILES = -r .deps
+
+dist-hook:
+	@rm -f $(distdir)/Makefile.tmp
+	grep -v '^-include ' < $(distdir)/Makefile.in > $(distdir)/Makefile.tmp
+	mv $(distdir)/Makefile.tmp $(distdir)/Makefile.in

src/kits/interface/qoca/Makefile.am.m4

@@ -0,0 +1,286 @@
+$(srcdir)/Makefile.am: Makefile.am.m4
+	rm -f $(srcdir)/$(@F)
+	m4 -P $(srcdir)/$(<F) > $(srcdir)/$(@F)
+# AFAIK, this has to be in srcdir (as opposed to bsrcdir).
+
+m4_changequote([[, ]])m4_dnl
+
+m4_define([[m4_echodo]], [[echo "m4_patsubst([[$1]], [[["\\`]\|\$\$]], [[\\\&]])" \
+	  && $1]])
+
+m4_define([[m4_outputas]],
+	[[@rm -f $2 && if m4_echodo([[$1 > $2]]); \
+	then :; \
+	else m4_echodo([[rm -f $2; exit 1]]); fi]])
+
+##bsrcdir = $(srcdir)
+bsrcdir = .
+
+m4_define([[m4_ch2xx_rule]],
+[[.ch.$2: $(CH2XX)
+	m4_outputas([[$(CH2XX) $1 $<]], [[$(bsrcdir)/$(*F).$2]])]])
+
+m4_ch2xx_rule(-c, cc)
+
+m4_ch2xx_rule(-i, hh)
+
+m4_ch2xx_rule(-d, H)
+
+DEPS_MAGIC := $(shell mkdir .deps > /dev/null 2>&1 || :)
+
+m4_dnl Like:  tr -s ' \t\n'  ' '
+m4_define([[m4u_white]], [[m4_patsubst([[$1]], [[[ 	
+]+]], [[ ]])]])
+
+m4_define(m4_libqoca_la_OBJECTS, m4u_white([[
+	QcCassSolver.lo QcCompPivotSystem.lo QcCompPivotTableau.lo
+	QcConstraintRep.lo QcCoreTableau.lo QcDelCoreTableau.lo
+	QcDelLinEqTableau.lo QcDelLinInEqTableau.lo QcDenseMatrix.lo
+	QcFixedFloatRep.lo
+	QcFloatRep.lo
+	QcIneqSolverBase.lo
+	QcLinEqSolver.lo QcLinEqSystem.lo QcLinEqTableau.lo
+	QcLinInEqSolver.lo QcLinInEqSystem.lo QcLinInEqTableau.lo
+	QcLinPoly.lo
+	QcLinEqColStateVector.lo
+	QcLinEqRowStateVector.lo
+	QcLinInEqColStateVector.lo
+	QcLinInEqRowColStateVector.lo
+	QcNlpSolver.lo
+	QcNomadicFloatRep.lo
+	QcOrigRowStateVector.lo
+	QcQuasiRowColStateVector.lo
+	QcQuasiRowStateVector.lo
+	QcSolver.lo QcSparseMatrix.lo
+	QcVarStow.lo
+	QcVariableBiMap.lo]]))m4_dnl
+
+DEP_FILES = m4_patsubst(m4_libqoca_la_OBJECTS, [[\(\w*\)\.lo]], [[.deps/\1.P]])
+
+
+-include $(DEP_FILES)
+
+.cc.ii0:
+	m4_outputas([[$(CXXCPP) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) -Wp,-MD,.deps/$(*F).pp $<]],
+		    [[$(bsrcdir)/$(@F)]])
+	@rm -f .deps/$(*F).P
+	@-sed 's/\.o/.ii0/g' < .deps/$(*F).pp > .deps/$(*F).P; \
+	tr ' ' '\012' < .deps/$(*F).pp \
+	  | sed -e 's/^\\$$//' -e '/^$$/ d' -e '/:$$/ d' -e 's/$$/ :/' \
+	    >> .deps/$(*F).P; \
+	rm .deps/$(*F).pp
+
+
+CXXFLAGS = @CXXFLAGS@
+CXXLD = $(CXX)
+CXXLINK = $(LIBTOOL) --mode=link $(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) $(LDFLAGS) -o $@
+CXXCOMPILE = $(CXX) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS)
+LTCXXCOMPILE = $(LIBTOOL) --mode=compile $(CXX) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS)
+
+libqoca_la_myOBJECTS = m4_libqoca_la_OBJECTS
+
+ii0_files = m4_patsubst(m4_libqoca_la_OBJECTS, \.lo, .ii0)
+
+libqoca.la: $(ii0_files) $(libqoca_la_myOBJECTS) $(libqoca_la_DEPENDENCIES)
+	$(CXXLINK) -rpath $(libdir) $(libqoca_la_LDFLAGS) $(libqoca_la_myOBJECTS) $(libqoca_la_LIBADD) $(LIBS)
+
+m4_define([[m4_compile]],
+[[.ii0.$1:
+	@if test -f [[$]]@ && cmp -s $(bsrcdir)/$(<F) $(bsrcdir)/$(*F).ii 2>/dev/null; then :; else \
+	 m4_echodo([[cp $(bsrcdir)/$(<F) $(bsrcdir)/$(*F).ii]]) && \
+	 m4_echodo([[$($2[[]]CXXCOMPILE) -c $(bsrcdir)/$(*F).ii]]); \
+	fi
+]])m4_dnl
+
+m4_compile(o,)
+m4_compile(lo,LT)
+
+# Note that we must start off with no .deps files.
+
+m4_dnl Expand `foo' to `foo.H foo.hh foo.$(cc)'.
+m4_define([[m4u_Hhc]], [[m4_patsubst(.H .hh .$(cc), \., $1.)]])
+m4_define([[m4u_Hh]], [[m4_patsubst(.H .hh, \., $1.)]])
+
+cc = cc
+BUILT_SOURCES = m4u_white([[
+	arith.H
+	m4u_Hh(QcAliasedBiMap)
+	m4u_Hhc(QcASetSolver)
+	m4u_Hh(QcBiMap)
+	m4u_Hhc(QcFloatRep)
+	m4u_Hhc(QcFixedFloatRep)
+	m4u_Hhc(QcIneqSolverBase)
+	m4u_Hhc(QcLinEqColStateVector)
+	m4u_Hhc(QcLinEqRowStateVector)
+	m4u_Hhc(QcLinInEqColStateVector)
+	m4u_Hhc(QcLinInEqRowColStateVector)
+	m4u_Hhc(QcNlpSolver)
+	m4u_Hhc(QcNomadicFloatRep)
+	QcNullIterator.H
+	m4u_Hhc(QcOrigRowStateVector)
+	m4u_Hhc(QcQuasiRowColStateVector)
+	m4u_Hhc(QcQuasiRowStateVector)
+	m4u_Hhc(QcSolver)
+	m4u_Hhc(QcVarStow)
+	m4u_Hhc(QcVariableBiMap)
+	]])
+m4_dnl	m4_patsubst(m4_libqoca_la_OBJECTS, \.lo, .ii0)
+
+SUFFIXES = .ch .cc .hh .H .ii0
+
+lib_LTLIBRARIES = libqoca.la
+# Version info is `CURRENT[:REVISION[:AGE]]': *see (libtool)Versioning,
+# in the libtool info page.
+libqoca_la_LDFLAGS = -version-info 0:0:0
+libqoca_la_LIBADD = -lstdc++ $(lwn) $(lgmp)
+
+# Package visibility is implemented in C++ as `#ifdef QOCA_INTERNALS'.
+# N.B. This is only for methods; for vars, make the var itself private
+# and provide package-visible inline access methods.
+# N.B.2: Also be careful of the needs of inline functions.
+INCLUDES = -DQOCA_INTERNALS -I.. -I$(top_srcdir)/cxx
+
+# Things needed by user programs.  User programs #include only Qc.h, but Qc.h
+# #includes the rest of these.
+pkginclude_HEADERS = m4u_white([[
+	arith.H KeyIterator.hh
+	QcASetSolver.H
+	m4u_Hh(QcAliasedBiMap)
+	QcFloat.hh QcFixedFloat.hh QcConstraint.hh
+	QcBasicnessVarIndexIterator.hh
+	m4u_Hh(QcBiMap)
+	QcCassSolver.hh QcLinEqSolver.hh QcLinInEqSolver.hh
+	QcUtility.hh QcDefines.hh
+	QcEnables.H
+	QcFixedFloatRep.H QcFixedFloatRep.hh
+	QcFloatRep.H QcFloatRep.hh
+	QcCassConstraint.hh QcDelLinEqSystem.hh QcDesireValueStore.hh
+	QcCompPivotSystem.hh QcCompPivotTableau.hh QcConstraintRep.hh
+	QcDelLinEqTableau.hh QcDelLinInEqSystem.hh QcException.hh
+	QcIneqSolverBase.H
+	QcLinEqSystem.hh QcLinInEqSystem.hh QcLinPoly.hh
+	QcBiMapNotifier.hh QcDelLinInEqTableau.hh QcLinEqTableau.hh
+	QcLinInEqTableau.hh QcLinPolyTerm.hh QcSolver.H QcSolver.hh
+	QcSparseCoeff.hh QcConstraintBiMap.hh QcDelCoreTableau.hh
+	QcLinEqRowColStateVector.hh
+	QcLinInEqRowColStateVector.H QcLinInEqRowColStateVector.hh
+	QcRowAdaptor.hh QcTableau.hh
+	m4u_Hh(QcVariableBiMap)
+	QcCoreTableau.hh QcDenseMatrix.hh
+	QcLinEqColStateVector.H QcLinEqColStateVector.hh
+	QcLinEqRowStateVector.H QcLinEqRowStateVector.hh
+	QcLinInEqColStateVector.H QcLinInEqColStateVector.hh
+	QcNullableConstraint.hh QcNullableElement.hh QcNullableFloat.hh
+	QcQuasiRowColStateVector.H QcQuasiRowColStateVector.hh
+	QcSparseMatrixColIterator.hh
+	QcTableauRowIterator.hh QcLinEqColState.hh QcLinEqRowState.hh
+	QcLinInEqColState.hh QcMatrix.hh
+	QcNlpSolver.H QcNlpSolver.hh
+	QcNomadicFloatRep.H QcNomadicFloatRep.hh
+	QcOrigRowStateVector.H QcOrigRowStateVector.hh
+	QcQuasiColStateVector.hh
+	QcQuasiRowStateVector.H QcQuasiRowStateVector.hh
+	QcSolvedFormMatrix.hh QcSparseMatrixIterator.hh
+	QcSparseMatrixRowIterator.hh QcMatrixIterator.hh
+	QcOrigRowState.hh QcQuasiColState.hh QcQuasiRowState.hh
+	QcSparseMatrix.hh QcStateVector.hh QcIterator.hh
+	QcSparseMatrixElement.hh QcState.hh QcUnsortedListSet.hh
+	QcVarStow.H
+	]])
+
+dist_libqoca_sources = m4u_white([[
+	m4u_Hhc(QcASetSolver)
+	QcCassSolver.cc QcCompPivotSystem.cc QcCompPivotTableau.cc
+	QcConstraintRep.cc QcCoreTableau.cc QcDelCoreTableau.cc
+	QcDelLinEqTableau.cc QcDelLinInEqTableau.cc QcDenseMatrix.cc
+	QcFloatRep.cc
+	m4u_Hhc(QcIneqSolverBase)
+	QcLinEqSolver.cc QcLinEqSystem.cc QcLinEqTableau.cc
+	QcLinInEqSolver.cc QcLinInEqSystem.cc QcLinInEqTableau.cc
+	QcLinPoly.cc QcSolver.cc QcSparseMatrix.cc
+	KeyIterator.hh
+	m4u_Hh(QcAliasedBiMap)
+	QcBasicnessVarIndexIterator.hh
+	QcBasicVarIndexIterator.hh
+	m4u_Hh(QcBiMap)
+	QcBiMapNotifier.hh
+	QcCassConstraint.hh QcCassSolver.hh QcCompPivotSystem.hh
+	QcCompPivotTableau.hh QcConstraint.hh QcConstraintBiMap.hh
+	QcConstraintIndexIterator.hh QcConstraintRep.hh QcCoreTableau.hh
+	QcDefines.hh QcDelCoreTableau.hh QcDelLinEqSystem.hh QcDelLinEqTableau.hh
+	QcDelLinInEqSystem.hh QcDelLinInEqTableau.hh QcDenseMatrix.hh
+	QcDenseMatrixColIterator.hh QcDenseMatrixIterator.hh
+	QcDenseMatrixRowIterator.hh QcDenseTableauColIterator.hh
+	QcDenseTableauIterator.hh QcDenseTableauRowIterator.hh
+	QcDesireValueStore.hh QcException.hh QcFixedFloat.hh
+	QcFixedFloatRep.cc QcFixedFloatRep.hh
+	QcFloat.hh QcFloatRep.hh QcIterator.hh
+	QcLinEqColState.hh
+	m4u_Hhc(QcLinEqColStateVector)
+	QcLinEqRowColStateVector.hh
+	QcLinEqRowState.hh
+	m4u_Hhc(QcLinEqRowStateVector)
+	QcLinEqSolver.hh
+	QcLinEqSystem.hh QcLinEqTableau.hh QcLinInEqColState.hh
+	m4u_Hhc(QcLinInEqColStateVector)
+	m4u_Hhc(QcLinInEqRowColStateVector)
+	QcLinInEqSolver.hh QcLinInEqSystem.hh QcLinInEqTableau.hh QcLinPoly.hh
+	QcLinPolyTerm.hh QcMatrix.hh QcMatrixIterator.hh QcOrigRowState.hh
+	m4u_Hhc(QcNlpSolver)
+	QcNomadicFloatRep.cc QcNomadicFloatRep.hh
+	QcNullIterator.H
+	QcNullableConstraint.hh QcNullableElement.hh QcNullableFloat.hh
+	QcOrigRowStateVector.H QcOrigRowStateVector.hh QcOrigRowStateVector.cc
+	QcParamVarIndexIterator.hh QcQuasiColState.hh
+	QcQuasiColStateVector.hh
+	m4u_Hhc(QcQuasiRowColStateVector)
+	QcRowAdaptor.hh
+	QcQuasiRowStateVector.H QcQuasiRowStateVector.hh QcQuasiRowStateVector.cc
+	QcQuasiRowState.hh
+	QcSolvedFormMatrix.hh QcSolver.hh
+	QcSparseCoeff.hh QcSparseMatrix.hh QcSparseMatrixColIterator.hh
+	QcSparseMatrixElement.hh QcSparseMatrixIterator.hh
+	QcSparseMatrixRowIterator.hh QcState.hh QcStateVector.hh
+	QcStructVarIndexIterator.hh QcTableau.hh QcTableauColIterator.hh
+	QcTableauRowIterator.hh QcUnsortedListSet.hh QcUtility.hh
+	m4u_Hhc(QcVarStow)
+	m4u_Hhc(QcVariableBiMap)
+	QcVariableIndexIterator.hh
+	arith.H
+	]])
+
+ch_files = m4u_white([[
+	QcAliasedBiMap.ch
+	QcASetSolver.ch
+	QcBiMap.ch
+	QcFixedFloatRep.ch QcFloatRep.ch
+	QcIneqSolverBase.ch
+	QcLinEqColStateVector.ch
+	QcLinEqRowStateVector.ch QcLinInEqColStateVector.ch
+	QcLinInEqRowColStateVector.ch
+	QcNlpSolver.ch
+	QcNomadicFloatRep.ch QcNullIterator.ch
+	QcOrigRowStateVector.ch QcQuasiRowColStateVector.ch
+	QcQuasiRowStateVector.ch QcSolver.ch
+	QcVariableBiMap.ch
+	QcVarStow.ch
+	arith.ch
+	]])
+
+libqoca_la_SOURCES =
+# Rationale for emptiness: If it has any .cc files, then automake
+# produces .cc.o rules, which stuffs things up (because make sometimes
+# tries to use them directly instead of using the .ii0.o rule).  If it
+# had .ii0 files, then the .ii0 files would be put into distdir, which
+# is wrong because .ii0 files contain system header file contents.
+
+EXTRA_DIST = $(dist_libqoca_sources) Makefile.am.m4 $(ch_files)
+
+CLEANFILES = *.ii *.ii0
+
+DISTCLEANFILES = -r .deps
+
+dist-hook:
+	@rm -f $(distdir)/Makefile.tmp
+	grep -v '^-include ' < $(distdir)/Makefile.in > $(distdir)/Makefile.tmp
+	mv $(distdir)/Makefile.tmp $(distdir)/Makefile.in

src/kits/interface/qoca/Makefile.in

@@ -0,0 +1,455 @@
+# Makefile.in generated automatically by automake 1.4 from Makefile.am
+
+# Copyright (C) 1994, 1995-8, 1999 Free Software Foundation, Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+
+SHELL = @SHELL@
+
+srcdir = @srcdir@
+top_srcdir = @top_srcdir@
+VPATH = @srcdir@
+prefix = @prefix@
+exec_prefix = @exec_prefix@
+
+bindir = @bindir@
+sbindir = @sbindir@
+libexecdir = @libexecdir@
+datadir = @datadir@
+sysconfdir = @sysconfdir@
+sharedstatedir = @sharedstatedir@
+localstatedir = @localstatedir@
+libdir = @libdir@
+infodir = @infodir@
+mandir = @mandir@
+includedir = @includedir@
+oldincludedir = /usr/include
+
+DESTDIR =
+
+pkgdatadir = $(datadir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+
+top_builddir = ../..
+
+ACLOCAL = @ACLOCAL@
+AUTOCONF = @AUTOCONF@
+AUTOMAKE = @AUTOMAKE@
+AUTOHEADER = @AUTOHEADER@
+
+INSTALL = @INSTALL@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@ $(AM_INSTALL_PROGRAM_FLAGS)
+INSTALL_DATA = @INSTALL_DATA@
+INSTALL_SCRIPT = @INSTALL_SCRIPT@
+transform = @program_transform_name@
+
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+host_alias = @host_alias@
+host_triplet = @host@
+AS = @AS@
+CC = @CC@
+CH2XX = @CH2XX@
+CXX = @CXX@
+CXXCPP = @CXXCPP@
+DLLTOOL = @DLLTOOL@
+DOCXX = @DOCXX@
+JAVA = @JAVA@
+JAVAC = @JAVAC@
+JAVACDEFINES = @JAVACDEFINES@
+JAVADOC = @JAVADOC@
+JCOM = @JCOM@
+LIBTOOL = @LIBTOOL@
+LN_S = @LN_S@
+MAKEINFO = @MAKEINFO@
+MINUSDEPEND = @MINUSDEPEND@
+NLPSOLVER_COM = @NLPSOLVER_COM@
+NLPSOLVER_HASH = @NLPSOLVER_HASH@
+OBJDUMP = @OBJDUMP@
+PACKAGE = @PACKAGE@
+QC_NDEBUG_COM = @QC_NDEBUG_COM@
+RANLIB = @RANLIB@
+VERSION = @VERSION@
+lgmp = @lgmp@
+lwn = @lwn@
+# AFAIK, this has to be in srcdir (as opposed to bsrcdir).
+
+bsrcdir = .
+
+DEPS_MAGIC := $(shell mkdir .deps > /dev/null 2>&1 || :)
+
+DEP_FILES = .deps/QcCassSolver.P .deps/QcCompPivotSystem.P .deps/QcCompPivotTableau.P .deps/QcConstraintRep.P .deps/QcCoreTableau.P .deps/QcDelCoreTableau.P .deps/QcDelLinEqTableau.P .deps/QcDelLinInEqTableau.P .deps/QcDenseMatrix.P .deps/QcFixedFloatRep.P .deps/QcFloatRep.P .deps/QcIneqSolverBase.P .deps/QcLinEqSolver.P .deps/QcLinEqSystem.P .deps/QcLinEqTableau.P .deps/QcLinInEqSolver.P .deps/QcLinInEqSystem.P .deps/QcLinInEqTableau.P .deps/QcLinPoly.P .deps/QcLinEqColStateVector.P .deps/QcLinEqRowStateVector.P .deps/QcLinInEqColStateVector.P .deps/QcLinInEqRowColStateVector.P .deps/QcNlpSolver.P .deps/QcNomadicFloatRep.P .deps/QcOrigRowStateVector.P .deps/QcQuasiRowColStateVector.P .deps/QcQuasiRowStateVector.P .deps/QcSolver.P .deps/QcSparseMatrix.P .deps/QcVarStow.P .deps/QcVariableBiMap.P
+
+CXXFLAGS = @CXXFLAGS@
+CXXLD = $(CXX)
+CXXLINK = $(LIBTOOL) --mode=link $(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) $(LDFLAGS) -o $@
+CXXCOMPILE = $(CXX) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS)
+LTCXXCOMPILE = $(LIBTOOL) --mode=compile $(CXX) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS)
+
+libqoca_la_myOBJECTS = QcCassSolver.lo QcCompPivotSystem.lo QcCompPivotTableau.lo QcConstraintRep.lo QcCoreTableau.lo QcDelCoreTableau.lo QcDelLinEqTableau.lo QcDelLinInEqTableau.lo QcDenseMatrix.lo QcFixedFloatRep.lo QcFloatRep.lo QcIneqSolverBase.lo QcLinEqSolver.lo QcLinEqSystem.lo QcLinEqTableau.lo QcLinInEqSolver.lo QcLinInEqSystem.lo QcLinInEqTableau.lo QcLinPoly.lo QcLinEqColStateVector.lo QcLinEqRowStateVector.lo QcLinInEqColStateVector.lo QcLinInEqRowColStateVector.lo QcNlpSolver.lo QcNomadicFloatRep.lo QcOrigRowStateVector.lo QcQuasiRowColStateVector.lo QcQuasiRowStateVector.lo QcSolver.lo QcSparseMatrix.lo QcVarStow.lo QcVariableBiMap.lo
+
+ii0_files = QcCassSolver.ii0 QcCompPivotSystem.ii0 QcCompPivotTableau.ii0 QcConstraintRep.ii0 QcCoreTableau.ii0 QcDelCoreTableau.ii0 QcDelLinEqTableau.ii0 QcDelLinInEqTableau.ii0 QcDenseMatrix.ii0 QcFixedFloatRep.ii0 QcFloatRep.ii0 QcIneqSolverBase.ii0 QcLinEqSolver.ii0 QcLinEqSystem.ii0 QcLinEqTableau.ii0 QcLinInEqSolver.ii0 QcLinInEqSystem.ii0 QcLinInEqTableau.ii0 QcLinPoly.ii0 QcLinEqColStateVector.ii0 QcLinEqRowStateVector.ii0 QcLinInEqColStateVector.ii0 QcLinInEqRowColStateVector.ii0 QcNlpSolver.ii0 QcNomadicFloatRep.ii0 QcOrigRowStateVector.ii0 QcQuasiRowColStateVector.ii0 QcQuasiRowStateVector.ii0 QcSolver.ii0 QcSparseMatrix.ii0 QcVarStow.ii0 QcVariableBiMap.ii0
+
+# Note that we must start off with no .deps files.
+
+cc = cc
+BUILT_SOURCES = arith.H QcAliasedBiMap.H QcAliasedBiMap.hh QcASetSolver.H QcASetSolver.hh QcASetSolver.$(cc) QcBiMap.H QcBiMap.hh QcFloatRep.H QcFloatRep.hh QcFloatRep.$(cc) QcFixedFloatRep.H QcFixedFloatRep.hh QcFixedFloatRep.$(cc) QcIneqSolverBase.H QcIneqSolverBase.hh QcIneqSolverBase.$(cc) QcLinEqColStateVector.H QcLinEqColStateVector.hh QcLinEqColStateVector.$(cc) QcLinEqRowStateVector.H QcLinEqRowStateVector.hh QcLinEqRowStateVector.$(cc) QcLinInEqColStateVector.H QcLinInEqColStateVector.hh QcLinInEqColStateVector.$(cc) QcLinInEqRowColStateVector.H QcLinInEqRowColStateVector.hh QcLinInEqRowColStateVector.$(cc) QcNlpSolver.H QcNlpSolver.hh QcNlpSolver.$(cc) QcNomadicFloatRep.H QcNomadicFloatRep.hh QcNomadicFloatRep.$(cc) QcNullIterator.H QcOrigRowStateVector.H QcOrigRowStateVector.hh QcOrigRowStateVector.$(cc) QcQuasiRowColStateVector.H QcQuasiRowColStateVector.hh QcQuasiRowColStateVector.$(cc) QcQuasiRowStateVector.H QcQuasiRowStateVector.hh QcQuasiRowStateVector.$(cc) QcSolver.H QcSolver.hh QcSolver.$(cc) QcVarStow.H QcVarStow.hh QcVarStow.$(cc) QcVariableBiMap.H QcVariableBiMap.hh QcVariableBiMap.$(cc) 
+
+SUFFIXES = .ch .cc .hh .H .ii0
+
+lib_LTLIBRARIES = libqoca.la
+# Version info is `CURRENT[:REVISION[:AGE]]': *see (libtool)Versioning,
+# in the libtool info page.
+libqoca_la_LDFLAGS = -version-info 0:0:0
+libqoca_la_LIBADD = -lstdc++ $(lwn) $(lgmp)
+
+# Package visibility is implemented in C++ as `#ifdef QOCA_INTERNALS'.
+# N.B. This is only for methods; for vars, make the var itself private
+# and provide package-visible inline access methods.
+# N.B.2: Also be careful of the needs of inline functions.
+INCLUDES = -DQOCA_INTERNALS -I.. -I$(top_srcdir)/cxx
+
+# Things needed by user programs.  User programs #include only Qc.h, but Qc.h
+# #includes the rest of these.
+pkginclude_HEADERS = arith.H KeyIterator.hh QcASetSolver.H QcAliasedBiMap.H QcAliasedBiMap.hh QcFloat.hh QcFixedFloat.hh QcConstraint.hh QcBasicnessVarIndexIterator.hh QcBiMap.H QcBiMap.hh QcCassSolver.hh QcLinEqSolver.hh QcLinInEqSolver.hh QcUtility.hh QcDefines.hh QcEnables.H QcFixedFloatRep.H QcFixedFloatRep.hh QcFloatRep.H QcFloatRep.hh QcCassConstraint.hh QcDelLinEqSystem.hh QcDesireValueStore.hh QcCompPivotSystem.hh QcCompPivotTableau.hh QcConstraintRep.hh QcDelLinEqTableau.hh QcDelLinInEqSystem.hh QcException.hh QcIneqSolverBase.H QcLinEqSystem.hh QcLinInEqSystem.hh QcLinPoly.hh QcBiMapNotifier.hh QcDelLinInEqTableau.hh QcLinEqTableau.hh QcLinInEqTableau.hh QcLinPolyTerm.hh QcSolver.H QcSolver.hh QcSparseCoeff.hh QcConstraintBiMap.hh QcDelCoreTableau.hh QcLinEqRowColStateVector.hh QcLinInEqRowColStateVector.H QcLinInEqRowColStateVector.hh QcRowAdaptor.hh QcTableau.hh QcVariableBiMap.H QcVariableBiMap.hh QcCoreTableau.hh QcDenseMatrix.hh QcLinEqColStateVector.H QcLinEqColStateVector.hh QcLinEqRowStateVector.H QcLinEqRowStateVector.hh QcLinInEqColStateVector.H QcLinInEqColStateVector.hh QcNullableConstraint.hh QcNullableElement.hh QcNullableFloat.hh QcQuasiRowColStateVector.H QcQuasiRowColStateVector.hh QcSparseMatrixColIterator.hh QcTableauRowIterator.hh QcLinEqColState.hh QcLinEqRowState.hh QcLinInEqColState.hh QcMatrix.hh QcNlpSolver.H QcNlpSolver.hh QcNomadicFloatRep.H QcNomadicFloatRep.hh QcOrigRowStateVector.H QcOrigRowStateVector.hh QcQuasiColStateVector.hh QcQuasiRowStateVector.H QcQuasiRowStateVector.hh QcSolvedFormMatrix.hh QcSparseMatrixIterator.hh QcSparseMatrixRowIterator.hh QcMatrixIterator.hh QcOrigRowState.hh QcQuasiColState.hh QcQuasiRowState.hh QcSparseMatrix.hh QcStateVector.hh QcIterator.hh QcSparseMatrixElement.hh QcState.hh QcUnsortedListSet.hh QcVarStow.H 
+
+dist_libqoca_sources = QcASetSolver.H QcASetSolver.hh QcASetSolver.$(cc) QcCassSolver.cc QcCompPivotSystem.cc QcCompPivotTableau.cc QcConstraintRep.cc QcCoreTableau.cc QcDelCoreTableau.cc QcDelLinEqTableau.cc QcDelLinInEqTableau.cc QcDenseMatrix.cc QcFloatRep.cc QcIneqSolverBase.H QcIneqSolverBase.hh QcIneqSolverBase.$(cc) QcLinEqSolver.cc QcLinEqSystem.cc QcLinEqTableau.cc QcLinInEqSolver.cc QcLinInEqSystem.cc QcLinInEqTableau.cc QcLinPoly.cc QcSolver.cc QcSparseMatrix.cc KeyIterator.hh QcAliasedBiMap.H QcAliasedBiMap.hh QcBasicnessVarIndexIterator.hh QcBasicVarIndexIterator.hh QcBiMap.H QcBiMap.hh QcBiMapNotifier.hh QcCassConstraint.hh QcCassSolver.hh QcCompPivotSystem.hh QcCompPivotTableau.hh QcConstraint.hh QcConstraintBiMap.hh QcConstraintIndexIterator.hh QcConstraintRep.hh QcCoreTableau.hh QcDefines.hh QcDelCoreTableau.hh QcDelLinEqSystem.hh QcDelLinEqTableau.hh QcDelLinInEqSystem.hh QcDelLinInEqTableau.hh QcDenseMatrix.hh QcDenseMatrixColIterator.hh QcDenseMatrixIterator.hh QcDenseMatrixRowIterator.hh QcDenseTableauColIterator.hh QcDenseTableauIterator.hh QcDenseTableauRowIterator.hh QcDesireValueStore.hh QcException.hh QcFixedFloat.hh QcFixedFloatRep.cc QcFixedFloatRep.hh QcFloat.hh QcFloatRep.hh QcIterator.hh QcLinEqColState.hh QcLinEqColStateVector.H QcLinEqColStateVector.hh QcLinEqColStateVector.$(cc) QcLinEqRowColStateVector.hh QcLinEqRowState.hh QcLinEqRowStateVector.H QcLinEqRowStateVector.hh QcLinEqRowStateVector.$(cc) QcLinEqSolver.hh QcLinEqSystem.hh QcLinEqTableau.hh QcLinInEqColState.hh QcLinInEqColStateVector.H QcLinInEqColStateVector.hh QcLinInEqColStateVector.$(cc) QcLinInEqRowColStateVector.H QcLinInEqRowColStateVector.hh QcLinInEqRowColStateVector.$(cc) QcLinInEqSolver.hh QcLinInEqSystem.hh QcLinInEqTableau.hh QcLinPoly.hh QcLinPolyTerm.hh QcMatrix.hh QcMatrixIterator.hh QcOrigRowState.hh QcNlpSolver.H QcNlpSolver.hh QcNlpSolver.$(cc) QcNomadicFloatRep.cc QcNomadicFloatRep.hh QcNullIterator.H QcNullableConstraint.hh QcNullableElement.hh QcNullableFloat.hh QcOrigRowStateVector.H QcOrigRowStateVector.hh QcOrigRowStateVector.cc QcParamVarIndexIterator.hh QcQuasiColState.hh QcQuasiColStateVector.hh QcQuasiRowColStateVector.H QcQuasiRowColStateVector.hh QcQuasiRowColStateVector.$(cc) QcRowAdaptor.hh QcQuasiRowStateVector.H QcQuasiRowStateVector.hh QcQuasiRowStateVector.cc QcQuasiRowState.hh QcSolvedFormMatrix.hh QcSolver.hh QcSparseCoeff.hh QcSparseMatrix.hh QcSparseMatrixColIterator.hh QcSparseMatrixElement.hh QcSparseMatrixIterator.hh QcSparseMatrixRowIterator.hh QcState.hh QcStateVector.hh QcStructVarIndexIterator.hh QcTableau.hh QcTableauColIterator.hh QcTableauRowIterator.hh QcUnsortedListSet.hh QcUtility.hh QcVarStow.H QcVarStow.hh QcVarStow.$(cc) QcVariableBiMap.H QcVariableBiMap.hh QcVariableBiMap.$(cc) QcVariableIndexIterator.hh arith.H 
+
+ch_files = QcAliasedBiMap.ch QcASetSolver.ch QcBiMap.ch QcFixedFloatRep.ch QcFloatRep.ch QcIneqSolverBase.ch QcLinEqColStateVector.ch QcLinEqRowStateVector.ch QcLinInEqColStateVector.ch QcLinInEqRowColStateVector.ch QcNlpSolver.ch QcNomadicFloatRep.ch QcNullIterator.ch QcOrigRowStateVector.ch QcQuasiRowColStateVector.ch QcQuasiRowStateVector.ch QcSolver.ch QcVariableBiMap.ch QcVarStow.ch arith.ch 
+
+libqoca_la_SOURCES = 
+# Rationale for emptiness: If it has any .cc files, then automake
+# produces .cc.o rules, which stuffs things up (because make sometimes
+# tries to use them directly instead of using the .ii0.o rule).  If it
+# had .ii0 files, then the .ii0 files would be put into distdir, which
+# is wrong because .ii0 files contain system header file contents.
+
+EXTRA_DIST = $(dist_libqoca_sources) Makefile.am.m4 $(ch_files)
+
+CLEANFILES = *.ii *.ii0
+
+DISTCLEANFILES = -r .deps
+mkinstalldirs = $(SHELL) $(top_srcdir)/mkinstalldirs
+CONFIG_CLEAN_FILES =  QcEnables.H
+LTLIBRARIES =  $(lib_LTLIBRARIES)
+
+
+DEFS = @DEFS@ -I. -I$(srcdir) 
+CPPFLAGS = @CPPFLAGS@
+LDFLAGS = @LDFLAGS@
+LIBS = @LIBS@
+libqoca_la_DEPENDENCIES = 
+libqoca_la_OBJECTS = 
+CFLAGS = @CFLAGS@
+COMPILE = $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+LTCOMPILE = $(LIBTOOL) --mode=compile $(CC) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+CCLD = $(CC)
+LINK = $(LIBTOOL) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(LDFLAGS) -o $@
+HEADERS =  $(pkginclude_HEADERS)
+
+DIST_COMMON =  ChangeLog Makefile.am Makefile.in QcEnables.H.in
+
+
+DISTFILES = $(DIST_COMMON) $(SOURCES) $(HEADERS) $(TEXINFOS) $(EXTRA_DIST)
+
+TAR = gtar
+GZIP_ENV = --best
+SOURCES = $(libqoca_la_SOURCES)
+OBJECTS = $(libqoca_la_OBJECTS)
+
+all: all-redirect
+.SUFFIXES:
+.SUFFIXES: .H .S .c .cc .ch .hh .ii0 .lo .o .s
+$(srcdir)/Makefile.in: Makefile.am $(top_srcdir)/configure.in $(ACLOCAL_M4) 
+	cd $(top_srcdir) && $(AUTOMAKE) --gnu --include-deps cxx/qoca/Makefile
+
+Makefile: $(srcdir)/Makefile.in  $(top_builddir)/config.status
+	cd $(top_builddir) \
+	  && CONFIG_FILES=$(subdir)/$@ CONFIG_HEADERS= $(SHELL) ./config.status
+
+QcEnables.H: $(top_builddir)/config.status QcEnables.H.in
+	cd $(top_builddir) && CONFIG_FILES=$(subdir)/$@ CONFIG_HEADERS= $(SHELL) ./config.status
+
+mostlyclean-libLTLIBRARIES:
+
+clean-libLTLIBRARIES:
+	-test -z "$(lib_LTLIBRARIES)" || rm -f $(lib_LTLIBRARIES)
+
+distclean-libLTLIBRARIES:
+
+maintainer-clean-libLTLIBRARIES:
+
+install-libLTLIBRARIES: $(lib_LTLIBRARIES)
+	@$(NORMAL_INSTALL)
+	$(mkinstalldirs) $(DESTDIR)$(libdir)
+	@list='$(lib_LTLIBRARIES)'; for p in $$list; do \
+	  if test -f $$p; then \
+	    echo "$(LIBTOOL)  --mode=install $(INSTALL) $$p $(DESTDIR)$(libdir)/$$p"; \
+	    $(LIBTOOL)  --mode=install $(INSTALL) $$p $(DESTDIR)$(libdir)/$$p; \
+	  else :; fi; \
+	done
+
+uninstall-libLTLIBRARIES:
+	@$(NORMAL_UNINSTALL)
+	list='$(lib_LTLIBRARIES)'; for p in $$list; do \
+	  $(LIBTOOL)  --mode=uninstall rm -f $(DESTDIR)$(libdir)/$$p; \
+	done
+
+.c.o:
+	$(COMPILE) -c $<
+
+.s.o:
+	$(COMPILE) -c $<
+
+.S.o:
+	$(COMPILE) -c $<
+
+mostlyclean-compile:
+	-rm -f *.o core *.core
+
+clean-compile:
+
+distclean-compile:
+	-rm -f *.tab.c
+
+maintainer-clean-compile:
+
+.c.lo:
+	$(LIBTOOL) --mode=compile $(COMPILE) -c $<
+
+.s.lo:
+	$(LIBTOOL) --mode=compile $(COMPILE) -c $<
+
+.S.lo:
+	$(LIBTOOL) --mode=compile $(COMPILE) -c $<
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+
+distclean-libtool:
+
+maintainer-clean-libtool:
+
+install-pkgincludeHEADERS: $(pkginclude_HEADERS)
+	@$(NORMAL_INSTALL)
+	$(mkinstalldirs) $(DESTDIR)$(pkgincludedir)
+	@list='$(pkginclude_HEADERS)'; for p in $$list; do \
+	  if test -f "$$p"; then d= ; else d="$(srcdir)/"; fi; \
+	  echo " $(INSTALL_DATA) $$d$$p $(DESTDIR)$(pkgincludedir)/$$p"; \
+	  $(INSTALL_DATA) $$d$$p $(DESTDIR)$(pkgincludedir)/$$p; \
+	done
+
+uninstall-pkgincludeHEADERS:
+	@$(NORMAL_UNINSTALL)
+	list='$(pkginclude_HEADERS)'; for p in $$list; do \
+	  rm -f $(DESTDIR)$(pkgincludedir)/$$p; \
+	done
+
+tags: TAGS
+
+ID: $(HEADERS) $(SOURCES) $(LISP)
+	list='$(SOURCES) $(HEADERS)'; \
+	unique=`for i in $$list; do echo $$i; done | \
+	  awk '    { files[$$0] = 1; } \
+	       END { for (i in files) print i; }'`; \
+	here=`pwd` && cd $(srcdir) \
+	  && mkid -f$$here/ID $$unique $(LISP)
+
+TAGS:  $(HEADERS) $(SOURCES)  $(TAGS_DEPENDENCIES) $(LISP)
+	tags=; \
+	here=`pwd`; \
+	list='$(SOURCES) $(HEADERS)'; \
+	unique=`for i in $$list; do echo $$i; done | \
+	  awk '    { files[$$0] = 1; } \
+	       END { for (i in files) print i; }'`; \
+	test -z "$(ETAGS_ARGS)$$unique$(LISP)$$tags" \
+	  || (cd $(srcdir) && etags $(ETAGS_ARGS) $$tags  $$unique $(LISP) -o $$here/TAGS)
+
+mostlyclean-tags:
+
+clean-tags:
+
+distclean-tags:
+	-rm -f TAGS ID
+
+maintainer-clean-tags:
+
+distdir = $(top_builddir)/$(PACKAGE)-$(VERSION)/$(subdir)
+
+subdir = cxx/qoca
+
+distdir: $(DISTFILES)
+	@for file in $(DISTFILES); do \
+	  d=$(srcdir); \
+	  if test -d $$d/$$file; then \
+	    cp -pr $$d/$$file $(distdir)/$$file; \
+	  else \
+	    test -f $(distdir)/$$file \
+	    || ln $$d/$$file $(distdir)/$$file 2> /dev/null \
+	    || cp -p $$d/$$file $(distdir)/$$file || :; \
+	  fi; \
+	done
+	$(MAKE) $(AM_MAKEFLAGS) top_distdir="$(top_distdir)" distdir="$(distdir)" dist-hook
+
+info-am:
+info: info-am
+dvi-am:
+dvi: dvi-am
+check-am: all-am
+check: check-am
+installcheck-am:
+installcheck: installcheck-am
+install-exec-am: install-libLTLIBRARIES
+install-exec: install-exec-am
+
+install-data-am: install-pkgincludeHEADERS
+install-data: install-data-am
+
+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
+install: install-am
+uninstall-am: uninstall-libLTLIBRARIES uninstall-pkgincludeHEADERS
+uninstall: uninstall-am
+all-am: Makefile $(LTLIBRARIES) $(HEADERS)
+all-redirect: all-am
+install-strip:
+	$(MAKE) $(AM_MAKEFLAGS) AM_INSTALL_PROGRAM_FLAGS=-s install
+installdirs:
+	$(mkinstalldirs)  $(DESTDIR)$(libdir) $(DESTDIR)$(pkgincludedir)
+
+
+mostlyclean-generic:
+
+clean-generic:
+	-test -z "$(CLEANFILES)" || rm -f $(CLEANFILES)
+
+distclean-generic:
+	-rm -f Makefile $(CONFIG_CLEAN_FILES)
+	-rm -f config.cache config.log stamp-h stamp-h[0-9]*
+	-test -z "$(DISTCLEANFILES)" || rm -f $(DISTCLEANFILES)
+
+maintainer-clean-generic:
+	-test -z "$(BUILT_SOURCES)" || rm -f $(BUILT_SOURCES)
+mostlyclean-am:  mostlyclean-libLTLIBRARIES mostlyclean-compile \
+		mostlyclean-libtool mostlyclean-tags \
+		mostlyclean-generic
+
+mostlyclean: mostlyclean-am
+
+clean-am:  clean-libLTLIBRARIES clean-compile clean-libtool clean-tags \
+		clean-generic mostlyclean-am
+
+clean: clean-am
+
+distclean-am:  distclean-libLTLIBRARIES distclean-compile \
+		distclean-libtool distclean-tags distclean-generic \
+		clean-am
+	-rm -f libtool
+
+distclean: distclean-am
+
+maintainer-clean-am:  maintainer-clean-libLTLIBRARIES \
+		maintainer-clean-compile maintainer-clean-libtool \
+		maintainer-clean-tags maintainer-clean-generic \
+		distclean-am
+	@echo "This command is intended for maintainers to use;"
+	@echo "it deletes files that may require special tools to rebuild."
+
+maintainer-clean: maintainer-clean-am
+
+.PHONY: mostlyclean-libLTLIBRARIES distclean-libLTLIBRARIES \
+clean-libLTLIBRARIES maintainer-clean-libLTLIBRARIES \
+uninstall-libLTLIBRARIES install-libLTLIBRARIES mostlyclean-compile \
+distclean-compile clean-compile maintainer-clean-compile \
+mostlyclean-libtool distclean-libtool clean-libtool \
+maintainer-clean-libtool uninstall-pkgincludeHEADERS \
+install-pkgincludeHEADERS tags mostlyclean-tags distclean-tags \
+clean-tags maintainer-clean-tags distdir info-am info dvi-am dvi check \
+check-am installcheck-am installcheck install-exec-am install-exec \
+install-data-am install-data install-am install uninstall-am uninstall \
+all-redirect all-am all installdirs mostlyclean-generic \
+distclean-generic clean-generic maintainer-clean-generic clean \
+mostlyclean distclean maintainer-clean
+
+
+$(srcdir)/Makefile.am: Makefile.am.m4
+	rm -f $(srcdir)/$(@F)
+	m4 -P $(srcdir)/$(<F) > $(srcdir)/$(@F)
+
+.ch.cc: $(CH2XX)
+	@rm -f $(bsrcdir)/$(*F).cc && if echo "$(CH2XX) -c $< > $(bsrcdir)/$(*F).cc" \
+	  && $(CH2XX) -c $< > $(bsrcdir)/$(*F).cc; \
+	then :; \
+	else echo "rm -f $(bsrcdir)/$(*F).cc; exit 1" \
+	  && rm -f $(bsrcdir)/$(*F).cc; exit 1; fi
+
+.ch.hh: $(CH2XX)
+	@rm -f $(bsrcdir)/$(*F).hh && if echo "$(CH2XX) -i $< > $(bsrcdir)/$(*F).hh" \
+	  && $(CH2XX) -i $< > $(bsrcdir)/$(*F).hh; \
+	then :; \
+	else echo "rm -f $(bsrcdir)/$(*F).hh; exit 1" \
+	  && rm -f $(bsrcdir)/$(*F).hh; exit 1; fi
+
+.ch.H: $(CH2XX)
+	@rm -f $(bsrcdir)/$(*F).H && if echo "$(CH2XX) -d $< > $(bsrcdir)/$(*F).H" \
+	  && $(CH2XX) -d $< > $(bsrcdir)/$(*F).H; \
+	then :; \
+	else echo "rm -f $(bsrcdir)/$(*F).H; exit 1" \
+	  && rm -f $(bsrcdir)/$(*F).H; exit 1; fi
+
+
+.cc.ii0:
+	@rm -f $(bsrcdir)/$(@F) && if echo "$(CXXCPP) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) -Wp,-MD,.deps/$(*F).pp $< > $(bsrcdir)/$(@F)" \
+	  && $(CXXCPP) $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) -Wp,-MD,.deps/$(*F).pp $< > $(bsrcdir)/$(@F); \
+	then :; \
+	else echo "rm -f $(bsrcdir)/$(@F); exit 1" \
+	  && rm -f $(bsrcdir)/$(@F); exit 1; fi
+	@rm -f .deps/$(*F).P
+	@-sed 's/\.o/.ii0/g' < .deps/$(*F).pp > .deps/$(*F).P; \
+	tr ' ' '\012' < .deps/$(*F).pp \
+	  | sed -e 's/^\\$$//' -e '/^$$/ d' -e '/:$$/ d' -e 's/$$/ :/' \
+	    >> .deps/$(*F).P; \
+	rm .deps/$(*F).pp
+
+libqoca.la: $(ii0_files) $(libqoca_la_myOBJECTS) $(libqoca_la_DEPENDENCIES)
+	$(CXXLINK) -rpath $(libdir) $(libqoca_la_LDFLAGS) $(libqoca_la_myOBJECTS) $(libqoca_la_LIBADD) $(LIBS)
+
+.ii0.o:
+	@if test -f $@ && cmp -s $(bsrcdir)/$(<F) $(bsrcdir)/$(*F).ii 2>/dev/null; then :; else \
+	 echo "cp $(bsrcdir)/$(<F) $(bsrcdir)/$(*F).ii" \
+	  && cp $(bsrcdir)/$(<F) $(bsrcdir)/$(*F).ii && \
+	 echo "$(CXXCOMPILE) -c $(bsrcdir)/$(*F).ii" \
+	  && $(CXXCOMPILE) -c $(bsrcdir)/$(*F).ii; \
+	fi
+
+.ii0.lo:
+	@if test -f $@ && cmp -s $(bsrcdir)/$(<F) $(bsrcdir)/$(*F).ii 2>/dev/null; then :; else \
+	 echo "cp $(bsrcdir)/$(<F) $(bsrcdir)/$(*F).ii" \
+	  && cp $(bsrcdir)/$(<F) $(bsrcdir)/$(*F).ii && \
+	 echo "$(LTCXXCOMPILE) -c $(bsrcdir)/$(*F).ii" \
+	  && $(LTCXXCOMPILE) -c $(bsrcdir)/$(*F).ii; \
+	fi
+
+dist-hook:
+	@rm -f $(distdir)/Makefile.tmp
+	grep -v '^-include ' < $(distdir)/Makefile.in > $(distdir)/Makefile.tmp
+	mv $(distdir)/Makefile.tmp $(distdir)/Makefile.in
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:

src/kits/interface/qoca/QcASetSolver.H

@@ -0,0 +1,35 @@
+// Generated automatically from QcASetSolver.ch by /home/pmoulder/usr/local/bin/ch2xx.
+#ifndef QcASetSolverDCL
+#define QcASetSolverDCL
+#line 1 "QcASetSolver.ch"
+#include <qoca/QcSolver.H>
+
+
+class QcASetSolver
+  : public QcSolver
+{
+public:
+
+inline
+QcASetSolver();
+#line 15 "QcASetSolver.ch"
+inline
+QcASetSolver(unsigned hintNumConstraints, unsigned hintNumVariables);
+#line 22 "QcASetSolver.ch"
+virtual ~QcASetSolver()
+{
+}
+
+
+};
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"gnu"
+  fill-column:80
+  End:
+  vim: set filetype=c++ :
+*/
+
+#endif /* !QcASetSolverDCL */

src/kits/interface/qoca/QcASetSolver.cc

@@ -0,0 +1,20 @@
+// Generated automatically from QcASetSolver.ch by /home/pmoulder/usr/local/bin/ch2xx.
+#include "QcASetSolver.hh"
+#line 1 "QcASetSolver.ch"
+
+#include <qoca/QcSolver.hh>
+
+
+
+
+
+
+#line 29 "QcASetSolver.ch"
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"gnu"
+  fill-column:80
+  End:
+  vim: set filetype=c++ :
+*/

src/kits/interface/qoca/QcASetSolver.ch

@@ -0,0 +1,36 @@
+//o[d] #include <qoca/QcSolver.H>
+//o[ci] #include <qoca/QcSolver.hh>
+
+//ho class QcASetSolver
+//ho   : public QcSolver
+//ho {
+//ho public:
+
+inline
+QcASetSolver()
+  : QcSolver()
+{
+}
+
+inline
+QcASetSolver(unsigned hintNumConstraints, unsigned hintNumVariables)
+  : QcSolver()
+{
+}
+
+//begin ho
+virtual ~QcASetSolver()
+{
+}
+//end ho
+
+//ho };
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"gnu"
+  fill-column:80
+  End:
+  vim: set filetype=c++ :
+*/

src/kits/interface/qoca/QcASetSolver.hh

@@ -0,0 +1,37 @@
+// Generated automatically from QcASetSolver.ch by /home/pmoulder/usr/local/bin/ch2xx.
+#include "QcASetSolver.H"
+#ifndef QcASetSolverIFN
+#define QcASetSolverIFN
+#line 1 "QcASetSolver.ch"
+
+#include <qoca/QcSolver.hh>
+
+
+
+
+
+
+inline
+QcASetSolver::QcASetSolver()
+  : QcSolver()
+{
+}
+
+inline
+QcASetSolver::QcASetSolver(unsigned hintNumConstraints, unsigned hintNumVariables)
+  : QcSolver()
+{
+}
+
+
+#line 29 "QcASetSolver.ch"
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"gnu"
+  fill-column:80
+  End:
+  vim: set filetype=c++ :
+*/
+
+#endif /* !QcASetSolverIFN */

src/kits/interface/qoca/QcAliasedBiMap.H

@@ -0,0 +1,72 @@
+// Generated automatically from QcAliasedBiMap.ch by /home/pmoulder/usr/local/bin/ch2xx.
+#ifndef QcAliasedBiMapDCL
+#define QcAliasedBiMapDCL
+#line 1 "QcAliasedBiMap.ch"
+
+#include <qoca/QcBiMap.H>
+
+
+#line 11 "QcAliasedBiMap.ch"
+#define TMPL template<class NullableT, class ExternalT, class PointedToT>
+TMPL
+class QcAliasedBiMap
+  : public QcBiMap<NullableT>
+{
+
+
+
+
+public:
+  QcAliasedBiMap() { }
+
+
+
+inline void
+Update(ExternalT const &ident, int index);
+#line 33 "QcAliasedBiMap.ch"
+inline void
+Update(PointedToT *ident, int index);
+#line 41 "QcAliasedBiMap.ch"
+inline bool
+IdentifierPresent(ExternalT const &ident) const;
+#line 48 "QcAliasedBiMap.ch"
+inline bool
+IdentifierPtrPresent(PointedToT *ident) const;
+#line 55 "QcAliasedBiMap.ch"
+inline ExternalT &
+Identifier(int index);
+#line 67 "QcAliasedBiMap.ch"
+inline ExternalT &
+Identifier(char const *n);
+#line 79 "QcAliasedBiMap.ch"
+inline PointedToT *
+getIdentifierPtr(int index);
+#line 87 "QcAliasedBiMap.ch"
+inline int
+Index(ExternalT const &ident) const;
+#line 94 "QcAliasedBiMap.ch"
+inline int
+Index(PointedToT *ident) const;
+#line 101 "QcAliasedBiMap.ch"
+inline int
+safeIndex(ExternalT const &ident) const;
+#line 108 "QcAliasedBiMap.ch"
+inline int
+safeIndex(PointedToT *ident) const;
+#line 114 "QcAliasedBiMap.ch"
+};
+
+#undef TMPL
+#undef A2E
+#undef const_E2A
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"gnu"
+  fill-column:80
+  End:
+  vim: set filetype=c++ :
+*/
+
+#endif /* !QcAliasedBiMapDCL */

src/kits/interface/qoca/QcAliasedBiMap.ch

@@ -0,0 +1,127 @@
+//begin o[d]
+#include <qoca/QcBiMap.H>
+//end o[d]
+//begin o[i]
+#include <qoca/QcBiMap.hh>
+
+#define A2E(_nkey) *((ExternalT *)((void *)&(_nkey)))
+#define const_E2A(_ekey) reinterpret_cast<NullableT const &>(_ekey)
+//end o[i]
+
+#define TMPL template<class NullableT, class ExternalT, class PointedToT>
+//o[d] TMPL
+//o[d] class QcAliasedBiMap
+//o[d]   : public QcBiMap<NullableT>
+//o[d] {
+
+//$class_prefix = QcAliasedBiMap<NullableT, ExternalT, PointedToT>::
+
+//begin o[d]
+public:
+  QcAliasedBiMap() { }
+//end o[d]
+
+//o[i] TMPL
+inline void
+Update(ExternalT const &ident, int index)
+{
+  qcAssertPre( ident.pointer() != 0);
+  QcBiMap<NullableT>::Update(const_E2A(ident), index);
+}
+
+//o[i] TMPL
+inline void
+Update(PointedToT *ident, int index)
+{
+  qcAssertPre( ident != 0);
+  QcBiMap<NullableT>::Update( NullableT( ident), index);
+}
+
+//o[i] TMPL
+inline bool
+IdentifierPresent(ExternalT const &ident) const
+{
+  return QcBiMap<NullableT>::IdentifierPresent(const_E2A(ident));
+}
+
+//o[i] TMPL
+inline bool
+IdentifierPtrPresent(PointedToT *ident) const
+{
+  return QcBiMap<NullableT>::IdentifierPresent( NullableT( ident));
+}
+
+//o[i] TMPL
+inline ExternalT &
+Identifier(int index)
+{
+  NullableT &nid = QcBiMap<NullableT>::Identifier( index);
+  NullableT *nidp = &nid;
+  void *vp = nidp;
+  ExternalT *ep = (ExternalT *) vp;
+  ExternalT &eid = *ep;
+  return eid;
+}
+
+//o[i] TMPL
+inline ExternalT &
+Identifier(char const *n)
+{
+  NullableT &nid = QcBiMap<NullableT>::Identifier( n);
+  NullableT *nidp = &nid;
+  void *vp = nidp;
+  ExternalT *ep = (ExternalT *) vp;
+  ExternalT &eid = *ep;
+  return eid;
+}
+
+//o[i] TMPL
+inline PointedToT *
+getIdentifierPtr(int index)
+{
+  NullableT &nid = QcBiMap<NullableT>::Identifier( index);
+  return nid.pointer();
+}
+
+//o[i] TMPL
+inline int
+Index(ExternalT const &ident) const
+{
+  return QcBiMap<NullableT>::Index(const_E2A(ident));
+}
+
+//o[i] TMPL
+inline int
+Index(PointedToT *ident) const
+{
+  return QcBiMap<NullableT>::Index( NullableT( ident));
+}
+
+//o[i] TMPL
+inline int
+safeIndex(ExternalT const &ident) const
+{
+  return QcBiMap<NullableT>::safeIndex(const_E2A(ident));
+}
+
+//o[i] TMPL
+inline int
+safeIndex(PointedToT *ident) const
+{
+  return QcBiMap<NullableT>::safeIndex( NullableT( ident));
+}
+
+//o[d] };
+
+#undef TMPL
+#undef A2E
+#undef const_E2A
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"gnu"
+  fill-column:80
+  End:
+  vim: set filetype=c++ :
+*/

src/kits/interface/qoca/QcAliasedBiMap.hh

@@ -0,0 +1,129 @@
+// Generated automatically from QcAliasedBiMap.ch by /home/pmoulder/usr/local/bin/ch2xx.
+#include "QcAliasedBiMap.H"
+#ifndef QcAliasedBiMapIFN
+#define QcAliasedBiMapIFN
+#line 1 "QcAliasedBiMap.ch"
+
+#line 5 "QcAliasedBiMap.ch"
+#include <qoca/QcBiMap.hh>
+
+#define A2E(_nkey) *((ExternalT *)((void *)&(_nkey)))
+#define const_E2A(_ekey) reinterpret_cast<NullableT const &>(_ekey)
+
+
+#define TMPL template<class NullableT, class ExternalT, class PointedToT>
+
+
+
+
+
+
+
+
+#line 24 "QcAliasedBiMap.ch"
+TMPL
+inline void
+QcAliasedBiMap<NullableT, ExternalT, PointedToT>::Update(ExternalT const &ident, int index)
+{
+  qcAssertPre( ident.pointer() != 0);
+  QcBiMap<NullableT>::Update(const_E2A(ident), index);
+}
+
+TMPL
+inline void
+QcAliasedBiMap<NullableT, ExternalT, PointedToT>::Update(PointedToT *ident, int index)
+{
+  qcAssertPre( ident != 0);
+  QcBiMap<NullableT>::Update( NullableT( ident), index);
+}
+
+TMPL
+inline bool
+QcAliasedBiMap<NullableT, ExternalT, PointedToT>::IdentifierPresent(ExternalT const &ident) const
+{
+  return QcBiMap<NullableT>::IdentifierPresent(const_E2A(ident));
+}
+
+TMPL
+inline bool
+QcAliasedBiMap<NullableT, ExternalT, PointedToT>::IdentifierPtrPresent(PointedToT *ident) const
+{
+  return QcBiMap<NullableT>::IdentifierPresent( NullableT( ident));
+}
+
+TMPL
+inline ExternalT &
+QcAliasedBiMap<NullableT, ExternalT, PointedToT>::Identifier(int index)
+{
+  NullableT &nid = QcBiMap<NullableT>::Identifier( index);
+  NullableT *nidp = &nid;
+  void *vp = nidp;
+  ExternalT *ep = (ExternalT *) vp;
+  ExternalT &eid = *ep;
+  return eid;
+}
+
+TMPL
+inline ExternalT &
+QcAliasedBiMap<NullableT, ExternalT, PointedToT>::Identifier(char const *n)
+{
+  NullableT &nid = QcBiMap<NullableT>::Identifier( n);
+  NullableT *nidp = &nid;
+  void *vp = nidp;
+  ExternalT *ep = (ExternalT *) vp;
+  ExternalT &eid = *ep;
+  return eid;
+}
+
+TMPL
+inline PointedToT *
+QcAliasedBiMap<NullableT, ExternalT, PointedToT>::getIdentifierPtr(int index)
+{
+  NullableT &nid = QcBiMap<NullableT>::Identifier( index);
+  return nid.pointer();
+}
+
+TMPL
+inline int
+QcAliasedBiMap<NullableT, ExternalT, PointedToT>::Index(ExternalT const &ident) const
+{
+  return QcBiMap<NullableT>::Index(const_E2A(ident));
+}
+
+TMPL
+inline int
+QcAliasedBiMap<NullableT, ExternalT, PointedToT>::Index(PointedToT *ident) const
+{
+  return QcBiMap<NullableT>::Index( NullableT( ident));
+}
+
+TMPL
+inline int
+QcAliasedBiMap<NullableT, ExternalT, PointedToT>::safeIndex(ExternalT const &ident) const
+{
+  return QcBiMap<NullableT>::safeIndex(const_E2A(ident));
+}
+
+TMPL
+inline int
+QcAliasedBiMap<NullableT, ExternalT, PointedToT>::safeIndex(PointedToT *ident) const
+{
+  return QcBiMap<NullableT>::safeIndex( NullableT( ident));
+}
+
+
+
+#undef TMPL
+#undef A2E
+#undef const_E2A
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"gnu"
+  fill-column:80
+  End:
+  vim: set filetype=c++ :
+*/
+
+#endif /* !QcAliasedBiMapIFN */

src/kits/interface/qoca/QcBasicVarIndexIterator.hh

@@ -0,0 +1,69 @@
+// $Id: QcBasicVarIndexIterator.hh,v 1.5 2000/11/29 01:58:42 pmoulder Exp $
+
+//============================================================================//
+// Written by Sitt Sen Chok                                                   //
+//----------------------------------------------------------------------------//
+// The QOCA implementation is free software, but it is Copyright (C)          //
+// 1994-1999 Monash University.  It is distributed under the terms of the GNU //
+// General Public License.  See the file COPYING for copying permission.      //
+//                                                                            //
+// The QOCA toolkit and runtime are distributed under the terms of the GNU    //
+// Library General Public License.  See the file COPYING.LIB for copying      //
+// permissions for those files.                                               //
+//                                                                            //
+// If those licencing arrangements are not satisfactory, please contact us!   //
+// We are willing to offer alternative arrangements, if the need should arise.//
+//                                                                            //
+// THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED OR  //
+// IMPLIED.  ANY USE IS AT YOUR OWN RISK.                                     //
+//                                                                            //
+// Permission is hereby granted to use or copy this program for any purpose,  //
+// provided the above notices are retained on all copies.  Permission to      //
+// modify the code and to distribute modified code is granted, provided the   //
+// above notices are retained, and a notice that the code was modified is     //
+// included with the above copyright notice.                                  //
+//============================================================================//
+
+#ifndef __QcBasicVarIndexIteratorH
+#define __QcBasicVarIndexIteratorH
+
+#include <qoca/QcBasicnessVarIndexIterator.hh>
+
+class QcBasicVarIndexIterator
+  : public QcBasicnessVarIndexIterator
+{
+public:
+
+  //------------------------------------------------------------------------//
+  // Constructor.                                                           //
+  //------------------------------------------------------------------------//
+  QcBasicVarIndexIterator( const QcLinEqTableau &tab)
+    : QcBasicnessVarIndexIterator( &tab.GetColState().fBasicHead)
+  {
+  }
+
+  void Reset()
+  {
+    QcBasicnessVarIndexIterator::Reset();
+    qcAssertPost( fCurrent->isBasic());
+  }
+
+  void Increment()
+  {
+    QcBasicnessVarIndexIterator::Increment();
+    qcAssertPost( fCurrent->isBasic());
+  }
+
+  /** @precondition <tt>!AtEnd()</tt>
+      @postcondition <tt>(int) ret</tt> &ge; 0
+  **/
+  unsigned getConstraintBasicIn() const
+  {
+    qcAssertPre (!AtEnd());
+    int ret = fCurrent->getConstraintBasicIn();
+    qcAssertPost (ret >= 0);
+    return (unsigned) ret;
+  }
+};
+
+#endif /* !__QcBasicVarIndexIteratorH */

src/kits/interface/qoca/QcBasicnessVarIndexIterator.hh

@@ -0,0 +1,86 @@
+// $Id: QcBasicnessVarIndexIterator.hh,v 1.1 2000/11/29 01:58:42 pmoulder Exp $
+
+//============================================================================//
+// Written by Sitt Sen Chok                                                   //
+//----------------------------------------------------------------------------//
+// The QOCA implementation is free software, but it is Copyright (C)          //
+// 1994-1999 Monash University.  It is distributed under the terms of the GNU //
+// General Public License.  See the file COPYING for copying permission.      //
+//                                                                            //
+// The QOCA toolkit and runtime are distributed under the terms of the GNU    //
+// Library General Public License.  See the file COPYING.LIB for copying      //
+// permissions for those files.                                               //
+//                                                                            //
+// If those licencing arrangements are not satisfactory, please contact us!   //
+// We are willing to offer alternative arrangements, if the need should arise.//
+//                                                                            //
+// THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED OR  //
+// IMPLIED.  ANY USE IS AT YOUR OWN RISK.                                     //
+//                                                                            //
+// Permission is hereby granted to use or copy this program for any purpose,  //
+// provided the above notices are retained on all copies.  Permission to      //
+// modify the code and to distribute modified code is granted, provided the   //
+// above notices are retained, and a notice that the code was modified is     //
+// included with the above copyright notice.                                  //
+//============================================================================//
+
+#ifndef __QcBasicnessVarIndexIteratorH
+#define __QcBasicnessVarIndexIteratorH
+
+class QcBasicnessVarIndexIterator
+{
+public:
+
+  //------------------------------------------------------------------------//
+  // Constructor.                                                           //
+  //------------------------------------------------------------------------//
+  QcBasicnessVarIndexIterator (QcLinEqColState const *head);
+
+  //------------------------------------------------------------------------//
+  // Iteration functions.                                                   //
+  //------------------------------------------------------------------------//
+  bool AtEnd() const
+  {
+    return (fCurrent == fHead);
+  }
+
+  /** @precondition <tt>!AtEnd()</tt>
+      @postcondition <tt>(int) ret</tt> &ge; 0
+  **/
+  unsigned getIndex() const
+  {
+    qcAssertPre (!AtEnd());
+    unsigned ret = fCurrent->fIndex;
+    qcAssertPost ((int) ret >= 0);
+    return ret;
+  }
+
+
+  void Increment()
+  {
+    qcAssertPre (!AtEnd());
+
+    fCurrent = fCurrent->getNextBasicnessCol();
+  }
+
+
+  void Reset()
+  {
+    fCurrent = fHead->getNextBasicnessCol();
+  }
+
+protected:
+  QcLinEqColState const *fCurrent;
+private:
+  QcLinEqColState const *fHead;
+};
+
+
+inline
+QcBasicnessVarIndexIterator::QcBasicnessVarIndexIterator (QcLinEqColState const *head)
+  : fHead (head)
+{
+  Reset();
+}
+
+#endif /* !__QcBasicnessVarIndexIteratorH */