xref: /haiku/headers/os/interface/GroupLayoutBuilder.h (revision 93a78ecaa45114d68952d08c4778f073515102f2)
1 /*
2  * Copyright 2006, Haiku Inc.
3  * Distributed under the terms of the MIT License.
4  */
5 #ifndef	_GROUP_LAYOUT_BUILDER_H
6 #define	_GROUP_LAYOUT_BUILDER_H
7 
8 #include <GroupLayout.h>
9 #include <GroupView.h>
10 #include <List.h>
11 
12 class BGroupLayoutBuilder {
13 public:
14 								BGroupLayoutBuilder(
15 									enum orientation orientation = B_HORIZONTAL,
16 									float spacing = 0.0f);
17 								BGroupLayoutBuilder(BGroupLayout* layout);
18 								BGroupLayoutBuilder(BGroupView* view);
19 
20 			BGroupLayout*		RootLayout() const;
21 			BGroupLayout*		TopLayout() const;
22 			BGroupLayoutBuilder& GetTopLayout(BGroupLayout** _layout);
23 			BGroupLayoutBuilder& GetTopView(BView** _view);
24 
25 			BGroupLayoutBuilder& Add(BView* view);
26 			BGroupLayoutBuilder& Add(BView* view, float weight);
27 			BGroupLayoutBuilder& Add(BLayoutItem* item);
28 			BGroupLayoutBuilder& Add(BLayoutItem* item, float weight);
29 
30 			BGroupLayoutBuilder& AddGroup(enum orientation orientation,
31 									float spacing = 0.0f, float weight = 1.0f);
32 			BGroupLayoutBuilder& End();
33 
34 			BGroupLayoutBuilder& AddGlue(float weight = 1.0f);
35 			BGroupLayoutBuilder& AddStrut(float size);
36 
37 			BGroupLayoutBuilder& SetInsets(float left, float top, float right,
38 									float bottom);
39 
40 								operator BGroupLayout*();
41 								operator BView*();
42 
43 private:
44 			bool				_PushLayout(BGroupLayout* layout);
45 			void				_PopLayout();
46 
47 private:
48 			BGroupLayout*		fRootLayout;
49 			BList				fLayoutStack;
50 };
51 
52 #endif	// _GROUP_LAYOUT_BUILDER_H
53