Merge from layout management branch.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@18649 a95241bf-73f2-0310-859d-f6bbb57e9c96
2006-08-26 16:21:15 +00:00
parent 01595708f3
commit 9ecf9d1c1d
277 changed files with 45889 additions and 747 deletions
@@ -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