Tweaked AccelerantDriver to utilize recent DisplayDriver changes

Added a number of new files to server
app_server now included in the build


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@2524 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/servers/app/Jamfile

@@ -1,4 +1,4 @@
 SubDir OBOS_TOP src servers app ;
 
-SubInclude OBOS_TOP src servers app proto7 ;
+SubInclude OBOS_TOP src servers app server ;
 

src/servers/app/server/AccelerantDriver.cpp

@@ -345,7 +345,7 @@ void AccelerantDriver::FillTriangle(BPoint *pts, BRect r, LayerData *d, int8 *pa
 */
 void AccelerantDriver::HideCursor(void)
 {
-	_SetCursorHidden(true);
+//	_SetCursorHidden(true);
 }
 
 /*!
@@ -377,7 +377,7 @@ void AccelerantDriver::InvertRect(BRect r)
 */
 void AccelerantDriver::ShowCursor(void)
 {
-	_SetCursorHidden(false);
+	//_SetCursorHidden(false);
 }
 
 /*!
@@ -389,7 +389,7 @@ void AccelerantDriver::ShowCursor(void)
 */
 void AccelerantDriver::ObscureCursor(void)
 {
-	_SetCursorObscured(true);
+	//_SetCursorObscured(true);
 }
 
 /*!

src/servers/app/server/AppServer.cpp

@@ -0,0 +1,84 @@
+//------------------------------------------------------------------------------
+//	Copyright (c) 2001-2002, OpenBeOS
+//
+//	Permission is hereby granted, free of charge, to any person obtaining a
+//	copy of this software and associated documentation files (the "Software"),
+//	to deal in the Software without restriction, including without limitation
+//	the rights to use, copy, modify, merge, publish, distribute, sublicense,
+//	and/or sell copies of the Software, and to permit persons to whom the
+//	Software is furnished to do so, subject to the following conditions:
+//
+//	The above copyright notice and this permission notice shall be included in
+//	all copies or substantial portions of the Software.
+//
+//	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+//	FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+//	DEALINGS IN THE SOFTWARE.
+//
+//	File Name:		AppServer.cpp
+//	Author:			DarkWyrm <[email protected]>
+//	Description:	main manager object for the app_server
+//  
+//------------------------------------------------------------------------------
+#include "AppServer.h"
+#include "ServerConfig.h"
+
+AppServer::AppServer(void)
+{
+}
+
+AppServer::~AppServer(void)
+{
+}
+
+int32 AppServer::PollerThread(void *data)
+{
+	return 0;
+}
+
+int32 AppServer::PicassoThread(void *data)
+{
+	return 0;
+}
+
+thread_id AppServer::Run(void)
+{
+	return 0;
+}
+
+void AppServer::MainLoop(void)
+{
+}
+
+bool AppServer::LoadDecorator(const char *path)
+{
+	return false;
+}
+
+void AppServer::DispatchMessage(int32 code, int8 *buffer)
+{
+}
+
+void AppServer::Broadcast(int32 code)
+{
+}
+
+void AppServer::HandleKeyMessage(int32 code, int8 *buffer)
+{
+}
+
+int main( int argc, char** argv )
+{
+	// There can be only one....
+	if(find_port(SERVER_PORT_NAME)!=B_NAME_NOT_FOUND)
+		return -1;
+
+	AppServer *app_server = new AppServer();
+	app_server->Run();
+	delete app_server;
+	return 0;
+}

src/servers/app/server/AppServer.h

@@ -0,0 +1,56 @@
+#ifndef	_OPENBEOS_APP_SERVER_H_
+#define	_OPENBEOS_APP_SERVER_H_
+
+#include <OS.h>
+#include <Locker.h>
+#include <List.h>
+#include <Window.h>
+#include "Decorator.h"
+
+class Layer;
+class BMessage;
+class ServerApp;
+class DisplayDriver;
+
+/*!
+	\class AppServer AppServer.h
+	\brief main manager object for the app_server
+	
+	File for the main app_server thread. This particular thread monitors for
+	application start and quit messages. It also starts the housekeeping threads
+	and initializes most of the server's globals.
+*/
+class AppServer
+{
+public:
+	AppServer(void);
+	~AppServer(void);
+	static int32 PollerThread(void *data);
+	static int32 PicassoThread(void *data);
+	thread_id Run(void);
+	void MainLoop(void);
+	bool LoadDecorator(const char *path);
+	void DispatchMessage(int32 code, int8 *buffer);
+	void Broadcast(int32 code);
+	void HandleKeyMessage(int32 code, int8 *buffer);
+
+	create_decorator *make_decorator;	// global function pointer
+private:
+	friend Decorator *instantiate_decorator(Layer *lay, const char *title, uint32 dflags, uint32 wlook);
+
+	port_id	messageport,mouseport;
+	image_id decorator_id;
+	bool quitting_server;
+	BList *applist;
+	int32 active_app;
+//	ServerApp *p_active_app;
+	thread_id poller_id, picasso_id;
+
+	BLocker *active_lock, *applist_lock, *decor_lock;
+	bool exit_poller;
+	DisplayDriver *driver;
+};
+
+Decorator *instantiate_decorator(BRect rect, const char *title, int32 wlook, int32 wfeel,
+	int32 wflags, DisplayDriver *ddriver);
+#endif

src/servers/app/server/ColorSet.cpp

@@ -1,3 +1,30 @@
+//------------------------------------------------------------------------------
+//	Copyright (c) 2001-2002, OpenBeOS
+//
+//	Permission is hereby granted, free of charge, to any person obtaining a
+//	copy of this software and associated documentation files (the "Software"),
+//	to deal in the Software without restriction, including without limitation
+//	the rights to use, copy, modify, merge, publish, distribute, sublicense,
+//	and/or sell copies of the Software, and to permit persons to whom the
+//	Software is furnished to do so, subject to the following conditions:
+//
+//	The above copyright notice and this permission notice shall be included in
+//	all copies or substantial portions of the Software.
+//
+//	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+//	FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+//	DEALINGS IN THE SOFTWARE.
+//
+//	File Name:		ColorSet.cpp
+//	Author:			DarkWyrm <[email protected]>
+//	Description:	Class for encapsulating GUI system colors
+//					
+//  
+//------------------------------------------------------------------------------
 #include <stdio.h>
 #include "ColorSet.h"
 

src/servers/app/server/ColorUtils.cc

@@ -0,0 +1,210 @@
+//------------------------------------------------------------------------------
+//	Copyright (c) 2001-2002, OpenBeOS
+//
+//	Permission is hereby granted, free of charge, to any person obtaining a
+//	copy of this software and associated documentation files (the "Software"),
+//	to deal in the Software without restriction, including without limitation
+//	the rights to use, copy, modify, merge, publish, distribute, sublicense,
+//	and/or sell copies of the Software, and to permit persons to whom the
+//	Software is furnished to do so, subject to the following conditions:
+//
+//	The above copyright notice and this permission notice shall be included in
+//	all copies or substantial portions of the Software.
+//
+//	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+//	FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+//	DEALINGS IN THE SOFTWARE.
+//
+//	File Name:		ColorUtils.cc
+//	Author:			DarkWyrm <[email protected]>
+//	Description:	Miscellaneous useful functions for working with colors
+//					
+//  
+//------------------------------------------------------------------------------
+#include "ColorUtils.h"
+#include <stdlib.h>
+
+/*!
+	\brief An approximation of 31/255, which is needed for converting from 32-bit
+		colors to 16-bit.
+*/
+#define RATIO_32_TO_16_BIT .121568627451
+
+/*!
+	\brief An approximation of 255/31, which is needed for converting from 16-bit
+		colors to 32-bit.
+*/
+#define RATIO_16_TO_32_BIT 8.225806451613
+
+/*!
+	\brief Function for easy assignment of values to rgb_color objects
+	\param Pointer to an rgb_color
+	\param red value
+	\param green value
+	\param blue value
+	\param alpha value, defaults to 255
+	
+	This function will do nothing if given a NULL color pointer.
+*/
+void SetRGBColor(rgb_color *col,uint8 r, uint8 g, uint8 b, uint8 a)
+{
+	if(col)
+	{
+		col->red=r;
+		col->green=g;
+		col->blue=b;
+		col->alpha=a;
+	}
+}
+
+/*!
+	\brief Function for easy conversion of 16-bit colors to 32-bit
+	\param Pointer to an rgb_color.
+	\param RGBA16 color
+	
+	This function will do nothing if passed a NULL 32-bit color.
+*/
+void SetRGBColor(rgb_color *col,uint16 color)
+{
+	if(!col)
+		return;
+	
+	uint16 r16,g16,b16;
+	
+	// alpha's the easy part
+	col->alpha=(color & 0x8000)?255:0;
+
+	r16= (color >> 15) & 31;
+	g16= (color >> 10) & 31;
+	b16= color & 31;
+
+	col->red=uint8(r16 * RATIO_16_TO_32_BIT);
+	col->green=uint8(g16 * RATIO_16_TO_32_BIT);
+	col->blue=uint8(b16 * RATIO_16_TO_32_BIT);
+}
+
+/*!
+	\brief Finds the index of the closest matching color in a rgb_color palette array
+	\param Array of 256 rgb_color objects
+	\param Color to match
+	\return Index of the closest matching color
+	
+	Note that passing a NULL palette will always return 0 and passing an array of less
+	than 256 rgb_colors will cause a crash.
+*/
+uint8 FindClosestColor(rgb_color *palette, rgb_color color)
+{
+	if(!palette)
+		return 0;
+	
+	uint16 cindex=0,cdelta=765,delta=765;
+	rgb_color *c;
+	
+	for(uint16 i=0;i<256;i++)
+	{
+		c=&(palette[i]);
+		delta=abs(c->red-color.red)+abs(c->green-color.green)+
+			abs(c->blue-color.blue);
+
+		if(delta==0)
+		{
+			cindex=i;
+			break;
+		}
+
+		if(delta<cdelta)
+		{
+			cindex=i;
+			cdelta=delta;
+		}
+	}
+
+	return (uint8)cindex;
+}
+
+/*!
+	\brief Constructs a RGBA15 color which best matches a given 32-bit color
+	\param Color to match
+	\return The closest matching color's value
+	
+	Format is ARGB, 1:5:5:5
+*/
+uint16 FindClosestColor16(rgb_color color)
+{
+	uint16 r16,g16,b16;
+	uint16 color16;
+	
+	r16=uint16(color.red * RATIO_32_TO_16_BIT);
+	g16=uint16(color.green * RATIO_32_TO_16_BIT);
+	b16=uint16(color.blue * RATIO_32_TO_16_BIT);
+
+	// start with alpha value
+	color16=(color.alpha>127)?0x8000:0;
+
+	color16 |= r16 << 15;
+	color16 |= g16 << 10;
+	color16 |= b16;
+
+	return color16;
+}
+
+// Function which could be used to . Position is
+//  Any number outside
+// this range will cause the function to fail and return the color (0,0,0,0)
+// Alpha components are included in the calculations. 0 yields color #1
+// and 1 yields color #2.
+
+/*!
+	\brief Function mostly for calculating gradient colors
+	\param Start color
+	\param End color
+	\param A floating point number such that 0.0 <= position <= 1.0. 0.0 results in the
+		start color and 1.0 results in the end color.
+	\return The blended color. If an invalid position was given, {0,0,0,0} is returned.
+*/
+rgb_color MakeBlendColor(rgb_color col, rgb_color col2, float position)
+{
+	rgb_color newcol={0,0,0,0};
+	float mod=0;
+	int16 delta;
+	if(position<0 || position>1)
+		return newcol;
+
+	delta=int16(col2.red)-int16(col.red);
+	mod=col.red + (position * delta);
+	newcol.red=uint8(mod);
+	if(mod>255 )
+		newcol.red=255;
+	if(mod<0 )
+		newcol.red=0;
+
+	delta=int16(col2.green)-int16(col.green);
+	mod=col.green + (position * delta);
+	newcol.green=uint8(mod);
+	if(mod>255 )
+		newcol.green=255;
+	if(mod<0 )
+		newcol.green=0;
+
+	delta=int16(col2.blue)-int16(col.blue);
+	mod=col.blue + (position * delta);
+	newcol.blue=uint8(mod);
+	if(mod>255 )
+		newcol.blue=255;
+	if(mod<0 )
+		newcol.blue=0;
+
+	delta=int8(col2.alpha)-int8(col.alpha);
+	mod=col.alpha + (position * delta);
+	newcol.alpha=uint8(mod);
+	if(mod>255 )
+		newcol.alpha=255;
+	if(mod<0 )
+		newcol.alpha=0;
+
+	return newcol;
+}

src/servers/app/server/Decorator.cpp

@@ -0,0 +1,540 @@
+//------------------------------------------------------------------------------
+//	Copyright (c) 2001-2002, OpenBeOS
+//
+//	Permission is hereby granted, free of charge, to any person obtaining a
+//	copy of this software and associated documentation files (the "Software"),
+//	to deal in the Software without restriction, including without limitation
+//	the rights to use, copy, modify, merge, publish, distribute, sublicense,
+//	and/or sell copies of the Software, and to permit persons to whom the
+//	Software is furnished to do so, subject to the following conditions:
+//
+//	The above copyright notice and this permission notice shall be included in
+//	all copies or substantial portions of the Software.
+//
+//	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+//	FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+//	DEALINGS IN THE SOFTWARE.
+//
+//	File Name:		Decorator.cpp
+//	Author:			DarkWyrm <[email protected]>
+//	Description:	Base class for window decorators
+//  
+//------------------------------------------------------------------------------
+#include <Region.h>
+#include "ColorSet.h"
+#include "Decorator.h"
+#include "DisplayDriver.h"
+
+/*!
+	\brief Constructor
+	\param rect Size of client area
+	\param wlook style of window look. See Window.h
+	\param wfeel style of window feel. See Window.h
+	\param wflags various window flags. See Window.h
+	
+	Does general initialization of internal data members and creates a colorset
+	object. 
+*/
+Decorator::Decorator(BRect rect, int32 wlook, int32 wfeel, int32 wflags)
+{
+	_close_state=false;
+	_minimize_state=false;
+	_zoom_state=false;
+	_title_string=new BString;
+	_driver=NULL;
+
+	_closerect.Set(0,0,1,1);
+	_zoomrect.Set(0,0,1,1);
+	_minimizerect.Set(0,0,1,1);
+	_resizerect.Set(0,0,1,1);
+	_frame=rect;
+	_tabrect.Set(rect.left,rect.top,rect.right, rect.top+((rect.bottom-rect.top)/4));
+
+	_look=wlook;
+	_feel=wfeel;
+	_flags=wflags;
+	
+	_colors=new ColorSet();
+}
+
+/*!
+	\brief Destructor
+	
+	Frees the color set and the title string
+*/
+Decorator::~Decorator(void)
+{
+	if(_colors!=NULL)
+	{
+		delete _colors;
+		_colors=NULL;
+	}
+	if(_title_string)
+		delete _title_string;
+}
+
+/*!
+	\brief Updates the decorator's color set
+	\param cset The color set to update from
+*/
+void Decorator::SetColors(const ColorSet &cset)
+{
+	_colors->SetColors(cset);
+}
+
+/*!
+	\brief Assigns a display driver to the decorator
+	\param driver A valid DisplayDriver object
+*/
+void Decorator::SetDriver(DisplayDriver *driver)
+{
+	// lots of subclasses will depend on the driver for text support, so call
+	// _DoLayout() after this
+	_driver=driver;
+	_DoLayout();
+}
+
+/*!
+	\brief Sets the close button's value.
+	\param is_down Whether the button is down or not
+	
+	Note that this does not update the button's look - it just updates the
+	internal button value
+*/
+void Decorator::SetClose(bool is_down)
+{
+	_close_state=is_down;
+}
+
+/*!
+	\brief Sets the minimize button's value.
+	\param is_down Whether the button is down or not
+	
+	Note that this does not update the button's look - it just updates the
+	internal button value
+*/
+void Decorator::SetMinimize(bool is_down)
+{
+	_zoom_state=is_down;
+}
+
+/*!
+	\brief Sets the zoom button's value.
+	\param is_down Whether the button is down or not
+	
+	Note that this does not update the button's look - it just updates the
+	internal button value
+*/
+void Decorator::SetZoom(bool is_down)
+{
+	_minimize_state=is_down;
+}
+
+/*!
+	\brief Sets the decorator's window flags
+	\param wflags New value for the flags
+	
+	While this call will not update the screen, it will affect how future
+	updates work and immediately affects input handling.
+*/
+void Decorator::SetFlags(int32 wflags)
+{
+	_flags=wflags;
+}
+
+/*!
+	\brief Sets the decorator's window feel
+	\param wflags New value for the feel
+	
+	While this call will not update the screen, it will affect how future
+	updates work and immediately affects input handling.
+*/
+void Decorator::SetFeel(int32 wfeel)
+{
+	_feel=wfeel;
+}
+
+/*!
+	\brief Sets the decorator's window look
+	\param wflags New value for the look
+	
+	While this call will not update the screen, it will affect how future
+	updates work and immediately affects input handling.
+*/
+void Decorator::SetLook(int32 wlook)
+{
+	_look=wlook;
+}
+
+/*!
+	\brief Returns the value of the close button
+	\return true if down, false if up
+*/
+bool Decorator::GetClose(void)
+{
+	return _close_state;
+}
+
+/*!
+	\brief Returns the value of the minimize button
+	\return true if down, false if up
+*/
+bool Decorator::GetMinimize(void)
+{
+	return _minimize_state;
+}
+
+/*!
+	\brief Returns the value of the zoom button
+	\return true if down, false if up
+*/
+bool Decorator::GetZoom(void)
+{
+	return _zoom_state;
+}
+
+/*!
+	\brief Returns the decorator's window look
+	\return the decorator's window look
+*/
+int32 Decorator::GetLook(void)
+{
+	return _look;
+}
+
+/*!
+	\brief Returns the decorator's window feel
+	\return the decorator's window feel
+*/
+int32 Decorator::GetFeel(void)
+{
+	return _feel;
+}
+
+/*!
+	\brief Returns the decorator's window flags
+	\return the decorator's window flags
+*/
+int32 Decorator::GetFlags(void)
+{
+	return _flags;
+}
+
+/*!
+	\brief Updates the value of the decorator title
+	\param string New title value
+*/
+void Decorator::SetTitle(const char *string)
+{
+	_title_string->SetTo(string);
+}
+
+/*!
+	\brief Returns the decorator's title
+	\return the decorator's title
+*/
+const char *Decorator::GetTitle(void)
+{
+	return _title_string->String();
+}
+
+/*!
+	\brief Changes the focus value of the decorator
+	\param is_active True if active, false if not
+	
+	While this call will not update the screen, it will affect how future
+	updates work.
+*/
+void Decorator::SetFocus(bool is_active)
+{
+	_has_focus=is_active;
+	_SetFocus();
+}
+
+/*!
+	\brief Provides the number of characters that will fit in the given width
+	\param width Maximum number of pixels the title can be
+	\return the number of characters that will fit in the given width
+*/
+int32 Decorator::_ClipTitle(float width)
+{
+	if(_driver)
+	{
+		int32 strlength=_title_string->CountChars();
+		float pixwidth=_driver->StringWidth(_title_string->String(),strlength,&_layerdata);
+	
+		while(strlength>=0)
+		{
+			if(pixwidth<width)
+				break;
+			strlength--;
+			pixwidth=_driver->StringWidth(_title_string->String(),strlength,&_layerdata);
+		}
+		
+		return strlength;
+	}
+	return 0;
+}
+
+//-------------------------------------------------------------------------
+//						Virtual Methods
+//-------------------------------------------------------------------------
+
+/*!
+	\brief Moves the decorator frame and all default rectangles
+	\param x X Offset
+	\param y y Offset
+	
+	If a subclass implements this method, be sure to call Decorator::MoveBy
+	to ensure that internal members are also updated. All members of the Decorator
+	class are automatically moved in this method
+*/
+void Decorator::MoveBy(float x, float y)
+{
+	_zoomrect.OffsetBy(x,y);
+	_closerect.OffsetBy(x,y);
+	_minimizerect.OffsetBy(x,y);
+	_minimizerect.OffsetBy(x,y);
+	_tabrect.OffsetBy(x,y);
+	_frame.OffsetBy(x,y);
+	_resizerect.OffsetBy(x,y);
+	_borderrect.OffsetBy(x,y);
+}
+
+/*!
+	\brief Moves the decorator frame and all default rectangles
+	\param pt Point containing the offsets
+	
+	If a subclass implements this method, be sure to call Decorator::MoveBy
+	to ensure that internal members are also updated. All members of the Decorator
+	class are automatically moved in this method
+*/
+void Decorator::MoveBy(BPoint pt)
+{
+	MoveBy(pt.x,pt.y);
+}
+
+/*!
+	\brief Moves the tab by the specified amount
+	\param dx x offset
+	\param dy y offset
+	\return The new tab rectangle.
+	
+	Slides the tab by the x or y value. This function is not required to be 
+	implemented by subclasses. Note that the tab rectangle returned does not 
+	necessarily reflect _tabrect offset by the amount given - few people want to 
+	slide a tab right off the window - that would be a Bad Thing (TM).
+*/
+BRect Decorator::SlideTab(float dx, float dy=0)
+{
+	return BRect(0,0,0,0);
+}
+
+/*!
+	\brief Resizes the decorator frame
+	\param dx x offset
+	\param dy y offset
+	
+	This is a required function for subclasses to implement - the default does nothing.
+	Note that window resize flags should be followed and _frame should be resized
+	accordingly. It would also be a wise idea to ensure that the window's rectangles
+	are not inverted. 
+*/
+void Decorator::ResizeBy(float x, float y)
+{
+}
+
+/*!
+	\brief Resizes the decorator frame
+	\param pt Point containing the offsets
+	
+	This is a required function for subclasses to implement - the default does nothing.
+	Note that window resize flags should be followed and _frame should be resized
+	accordingly. It would also be a wise idea to ensure that the window's rectangles
+	are not inverted. 
+*/
+void Decorator::ResizeBy(BPoint pt)
+{
+}
+
+/*!
+	\brief Updates the decorator's look in the area r
+	\param r The area to update.
+	
+	The default version updates all areas which intersect the frame and tab.
+*/
+void Decorator::Draw(BRect r)
+{
+	_DrawTab(r & _tabrect);
+	_DrawFrame(r & _frame);
+}
+
+//! Forces a complete decorator update
+void Decorator::Draw(void)
+{
+	_DrawTab(_tabrect);
+	_DrawFrame(_frame);
+}
+
+//! Draws the close button
+void Decorator::DrawClose(void)
+{
+	_DrawClose(_closerect);
+}
+
+//! draws the frame
+void Decorator::DrawFrame(void)
+{
+	_DrawFrame(_frame);
+}
+
+//! draws the minimize button
+void Decorator::DrawMinimize(void)
+{
+	_DrawTab(_minimizerect);
+}
+
+//! draws the tab, title, and buttons
+void Decorator::DrawTab(void)
+{
+	_DrawTab(_tabrect);
+	_DrawZoom(_zoomrect);
+	_DrawMinimize(_minimizerect);
+	_DrawTitle(_tabrect);
+	_DrawClose(_closerect);
+}
+
+// draws the title
+void Decorator::DrawTitle(void)
+{
+	_DrawTitle(_tabrect);
+}
+
+//! draws the zoom button
+void Decorator::DrawZoom(void)
+{
+	_DrawZoom(_zoomrect);
+}
+
+/*!
+	\brief Actually draws the close button
+	\param r Area of the button to update
+	
+	Unless a subclass has a particularly large button, it is probably unnecessary
+	to check the update rectangle.
+*/
+void Decorator::_DrawClose(BRect r)
+{
+}
+
+/*!
+	\brief Actually draws the frame
+	\param r Area of the frame to update
+*/
+void Decorator::_DrawFrame(BRect r)
+{
+}
+
+/*!
+	\brief Actually draws the minimize button
+	\param r Area of the button to update
+	
+	Unless a subclass has a particularly large button, it is probably unnecessary
+	to check the update rectangle.
+*/
+void Decorator::_DrawMinimize(BRect r)
+{
+}
+
+/*!
+	\brief Actually draws the tab
+	\param r Area of the tab to update
+	
+	This function is called when the tab itself needs drawn. Other items, like the 
+	window title or buttons, should not be drawn here.
+*/
+void Decorator::_DrawTab(BRect r)
+{
+}
+
+/*!
+	\brief Actually draws the title
+	\param r area of the title to update
+	
+	The main tasks for this function are to ensure that the decorator draws the title
+	only in its own area and drawing the title itself. Using B_OP_COPY for drawing
+	the title is recommended because of the marked performance hit of the other 
+	drawing modes, but it is not a requirement.
+*/
+void Decorator::_DrawTitle(BRect r)
+{
+}
+
+/*!
+	\brief Actually draws the zoom button
+	\param r Area of the button to update
+	
+	Unless a subclass has a particularly large button, it is probably unnecessary
+	to check the update rectangle.
+*/
+void Decorator::_DrawZoom(BRect r)
+{
+}
+
+/*!
+	\brief Returns the "footprint" of the entire window, including decorator
+	\return Region representing the window's screen footprint
+	
+	This function should generate a new BRegion allocated on the heap which represents
+	the entire area occupied by the window decorator on the screen. For example, a BeOS
+	decorator would return _tabrect + _borderrect.
+	
+	This function is required by all subclasses.
+*/
+BRegion *Decorator::GetFootprint(void)
+{
+	return NULL;
+}
+
+/*!
+	\brief Performs hit-testing for the decorator
+	\return The type of area clicked
+
+	Clicked is called whenever it has been determined that the window has received a 
+	mouse click. The default version returns CLICK_NONE. A subclass may use any or all
+	of them.
+	
+	Click type : Action taken by the server
+	
+	- \c CLICK_NONE : Do nothing
+	- \c CLICK_ZOOM : Handles the zoom button (setting states, etc)
+	- \c CLICK_CLOSE : Handles the close button (setting states, etc)
+	- \c CLICK_MINIMIZE : Handles the minimize button (setting states, etc)
+	- \c CLICK_TAB : Currently unused
+	- \c CLICK_DRAG : Moves the window to the front and prepares to move the window
+	- \c CLICK_MOVETOBACK : Moves the window to the back of the stack
+	- \c CLICK_MOVETOFRONT : Moves the window to the front of the stack
+	- \c CLICK_SLIDETAB : Initiates tab-sliding, including calling SlideTab()
+
+	- \c CLICK_RESIZE : Handle window resizing as appropriate
+	- \c CLICK_RESIZE_L
+	- \c CLICK_RESIZE_T
+	- \c CLICK_RESIZE_R
+	- \c CLICK_RESIZE_B
+	- \c CLICK_RESIZE_LT
+	- \c CLICK_RESIZE_RT
+	- \c CLICK_RESIZE_LB
+	- \c CLICK_RESIZE_RB
+
+	This function is required by all subclasses.
+	
+*/
+click_type Decorator::Clicked(BPoint pt, int32 buttons, int32 modifiers)
+{
+	return CLICK_NONE;
+}
+

src/servers/app/server/Decorator.h

@@ -0,0 +1,124 @@
+//------------------------------------------------------------------------------
+//	Copyright (c) 2001-2002, OpenBeOS
+//
+//	Permission is hereby granted, free of charge, to any person obtaining a
+//	copy of this software and associated documentation files (the "Software"),
+//	to deal in the Software without restriction, including without limitation
+//	the rights to use, copy, modify, merge, publish, distribute, sublicense,
+//	and/or sell copies of the Software, and to permit persons to whom the
+//	Software is furnished to do so, subject to the following conditions:
+//
+//	The above copyright notice and this permission notice shall be included in
+//	all copies or substantial portions of the Software.
+//
+//	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+//	FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+//	DEALINGS IN THE SOFTWARE.
+//
+//	File Name:		Decorator.h
+//	Author:			DarkWyrm <[email protected]>
+//	Description:	Base class for window decorators
+//  
+//------------------------------------------------------------------------------
+#ifndef _DECORATOR_H_
+#define _DECORATOR_H_
+
+#include <SupportDefs.h>
+#include <Rect.h>
+#include <String.h>
+#include <Window.h>
+#include "LayerData.h"
+#include "ColorSet.h"
+
+class DisplayDriver;
+
+typedef enum { CLICK_NONE=0, CLICK_ZOOM, CLICK_CLOSE, CLICK_MINIMIZE,
+	CLICK_TAB, CLICK_DRAG, CLICK_MOVETOBACK, CLICK_MOVETOFRONT, CLICK_SLIDETAB,
+	
+	CLICK_RESIZE, CLICK_RESIZE_L, CLICK_RESIZE_T, 
+	CLICK_RESIZE_R, CLICK_RESIZE_B, CLICK_RESIZE_LT, CLICK_RESIZE_RT, 
+	CLICK_RESIZE_LB, CLICK_RESIZE_RB } click_type;
+
+class Decorator
+{
+public:
+	Decorator(BRect rect, int32 wlook, int32 wfeel, int32 wflags);
+	virtual ~Decorator(void);
+
+	void SetColors(const ColorSet &cset);
+	void SetDriver(DisplayDriver *driver);
+	void SetFlags(int32 wflags);
+	void SetFeel(int32 wfeel);
+	void SetLook(int32 wlook);
+	
+	void SetClose(bool is_down);
+	void SetMinimize(bool is_down);
+	void SetZoom(bool is_down);
+	virtual void SetTitle(const char *string);
+
+	int32 GetLook(void);
+	int32 GetFeel(void);
+	int32 GetFlags(void);
+	const char *GetTitle(void);
+
+	bool GetClose(void);
+	bool GetMinimize(void);
+	bool GetZoom(void);
+
+
+	void SetFocus(bool is_active);
+	bool GetFocus(void) { return _has_focus; };
+	ColorSet GetColors(void) { return (_colors)?*_colors:ColorSet(); }
+	
+	virtual BRect SlideTab(float dx, float dy=0);
+	virtual BRegion *GetFootprint(void);
+	virtual click_type Clicked(BPoint pt, int32 buttons, int32 modifiers);
+
+	virtual void MoveBy(float x, float y);
+	virtual void MoveBy(BPoint pt);
+	virtual void ResizeBy(float x, float y);
+	virtual void ResizeBy(BPoint pt);
+
+	virtual void Draw(BRect r);
+	virtual void Draw(void);
+	virtual void DrawClose(void);
+	virtual void DrawFrame(void);
+	virtual void DrawMinimize(void);
+	virtual void DrawTab(void);
+	virtual void DrawTitle(void);
+	virtual void DrawZoom(void);
+	
+protected:
+	int32 _ClipTitle(float width);
+	int32 _TitleWidth(void) { return (_title_string)?_title_string->CountChars():0; }
+	
+	virtual void _DrawClose(BRect r);
+	virtual void _DrawFrame(BRect r);
+	virtual void _DrawMinimize(BRect r);
+	virtual void _DrawTab(BRect r);
+	virtual void _DrawTitle(BRect r);
+	virtual void _DrawZoom(BRect r);
+	virtual void _SetFocus(void)=0;
+	virtual void _DoLayout(void)=0;
+	
+	ColorSet *_colors;
+	DisplayDriver *_driver;
+	LayerData _layerdata;
+	int32 _look, _feel, _flags;
+	BRect _zoomrect,_closerect,_minimizerect,_tabrect,_frame,
+		_resizerect,_borderrect;
+
+private:
+	bool _close_state, _zoom_state, _minimize_state;
+	bool _has_focus;
+	BString *_title_string;
+};
+
+typedef float get_version(void);
+typedef Decorator *create_decorator(BRect rect, int32 wlook, int32 wfeel, int32 wflags);
+
+#endif

src/servers/app/server/Jamfile

@@ -0,0 +1,35 @@
+SubDir OBOS_TOP src servers app server ;
+
+AddResources app_server : app_server.rsrc ;
+
+UseFreeTypeHeaders ;
+
+Server app_server :
+	# Misc. Sources
+	Angle.cpp
+	# ColorUtils will disappear as soon as I can figure out how to link the server
+	# against libopenbeos
+	ColorUtils.cc
+	ColorSet.cpp
+	Decorator.cpp
+	SystemPalette.cpp
+	RGBColor.cpp
+	RectUtils.cpp
+
+	# Operating Classes
+	AppServer.cpp
+	ServerBitmap.cpp
+	ServerCursor.cpp
+
+	# Font Classes
+	FontFamily.cpp
+	FontServer.cpp
+	ServerFont.cpp
+
+	# Display Modules
+	DisplayDriver.cpp
+	AccelerantDriver.cpp
+;
+LinkSharedOSLibs app_server : be root game translation 
+							   <boot!home!config!lib>libfreetype.so ;
+

src/servers/app/server/LayerData.h

@@ -0,0 +1,52 @@
+#ifndef LAYERDATA_H_
+#define LAYERDATA_H_
+
+#include <Point.h>
+#include <Font.h>
+#include "RGBColor.h"
+#include "FontServer.h"
+#include "ServerFont.h"
+
+class ServerBitmap;
+
+class LayerData
+{
+public:
+	LayerData(void)
+		{
+			pensize=1.0;
+			penlocation.Set(0,0);
+			draw_mode=B_OP_COPY;
+			blending_mode=B_ALPHA_OVERLAY;
+			alpha_mode=B_CONSTANT_ALPHA;
+			background=NULL;
+			overlay=NULL;
+			highcolor.SetColor(0,0,0,255);
+			lowcolor.SetColor(255,255,255,255);
+			font=fontserver->GetSystemPlain();
+			scale=1.0;
+			edelta.space=0;
+			edelta.nonspace=0;
+		}
+	~LayerData(void)
+		{
+			if(font)
+			{
+				delete font;
+				font=NULL;
+			}
+		}
+
+	float pensize;
+	BPoint penlocation;
+	drawing_mode draw_mode;
+	source_alpha alpha_mode;
+	alpha_function blending_mode;
+	ServerBitmap *background;
+	ServerBitmap *overlay;
+	RGBColor highcolor, lowcolor;
+	ServerFont *font;
+	float scale;
+	escapement_delta edelta;
+};
+#endif

src/servers/app/server/RectUtils.cpp

@@ -0,0 +1,63 @@
+#include "RectUtils.h"
+
+bool TestRectIntersection(const BRect &r,const BRect &r2)
+{
+	return	TestLineIntersection(r, r2.left, r2.top, r2.left, r2.bottom)		||
+			TestLineIntersection(r, r2.left, r2.top, r2.right, r2.top, false)	||
+			TestLineIntersection(r, r2.right, r2.top, r2.right, r2.bottom)		||
+			TestLineIntersection(r, r2.left, r2.bottom, r2.right, r2.bottom, false) ||
+			r.Contains(r2) ||
+			r2.Contains(r);
+}
+
+bool TestRegionIntersection(BRegion *r,const BRect &r2)
+{
+	for(int32 i=0; i<r->CountRects(); i++)
+		if(TestRectIntersection(r->RectAt(i),r2));
+			return true;
+	return false;
+}
+
+void IntersectRegionWith(BRegion *r,const BRect &r2)
+{
+	// We have three conditions:
+	// 1) Region frame contains rect. Action: call Include()
+	// 2) Rect intersects region frame. Action: call IntersectWith
+	// 3) Region frame does not intersect rectangle. Make the region empty
+	if(r->Frame().Contains(r2))
+		r->Include(r2);
+	if(r->Frame().Intersects(r2))
+	{
+		BRegion reg(r2);
+		r->IntersectWith(&reg);
+	}
+	else
+		r->MakeEmpty();
+}
+
+bool TestLineIntersection(const BRect& r, float x1, float y1, float x2, float y2,
+					   bool vertical)
+{
+	if (vertical)
+	{
+		return	(x1 >= r.left && x1 <= r.right) &&
+				((y1 >= r.top && y1 <= r.bottom) ||
+				 (y2 >= r.top && y2 <= r.bottom));
+	}
+	else
+	{
+		return	(y1 >= r.top && y1 <= r.bottom) &&
+				((x1 >= r.left && x1 <= r.right) ||
+				 (x2 >= r.left && x2 <= r.right));
+	}
+}
+
+void ValidateRect(BRect *rect)
+{
+	float l,r,t,b;
+	l=(rect->left<rect->right)?rect->left:rect->right;
+	r=(rect->left>rect->right)?rect->left:rect->right;
+	t=(rect->top<rect->bottom)?rect->top:rect->bottom;
+	b=(rect->top>rect->bottom)?rect->top:rect->bottom;
+	rect->Set(l,t,r,b);
+}

src/servers/app/server/RectUtils.h

@@ -0,0 +1,12 @@
+#ifndef RECTUTILS_H_
+#define RECTUTILS_H_
+
+#include <Rect.h>
+#include <Region.h>
+
+bool TestLineIntersection(const BRect&r, float x1, float y1, float x2, float y2,bool vertical=true);
+bool TestRectIntersection(const BRect &r,const BRect &r2);
+bool TestRegionIntersection(BRegion *r,const BRect &r2);
+void IntersectRegionWith(BRegion *r,const BRect &r2);
+void ValidateRect(BRect *r);
+#endif