AbstractLayout.h revision e01de522
1/*
2 * Copyright 2010, Haiku, Inc. All rights reserved.
3 * Distributed under the terms of the MIT License.
4 */
5#ifndef	_ABSTRACT_LAYOUT_H
6#define	_ABSTRACT_LAYOUT_H
7
8#include <Alignment.h>
9#include <Layout.h>
10#include <Size.h>
11
12class BAbstractLayout : public BLayout {
13public:
14								BAbstractLayout();
15								BAbstractLayout(BMessage* from);
16	virtual						~BAbstractLayout();
17
18	virtual	BSize				MinSize();
19	virtual	BSize				MaxSize();
20	virtual	BSize				PreferredSize();
21	virtual	BAlignment			Alignment();
22
23	virtual	void				SetExplicitMinSize(BSize size);
24	virtual	void				SetExplicitMaxSize(BSize size);
25	virtual	void				SetExplicitPreferredSize(BSize size);
26	virtual	void				SetExplicitAlignment(BAlignment alignment);
27
28	virtual	BSize				BaseMinSize();
29	virtual	BSize				BaseMaxSize();
30	virtual	BSize				BasePreferredSize();
31	virtual	BAlignment			BaseAlignment();
32
33	virtual BRect				Frame();
34	virtual	void				SetFrame(BRect frame);
35
36	virtual	bool				IsVisible();
37	virtual	void				SetVisible(bool visible);
38
39	virtual status_t			Archive(BMessage* into, bool deep = true) const;
40
41	virtual	status_t			Perform(perform_code d, void* arg);
42
43protected:
44	// Archiving hook methods
45	virtual	status_t			AllArchived(BMessage* archive) const;
46	virtual	status_t			AllUnarchived(const BMessage* from);
47
48	virtual status_t			ItemArchived(BMessage* into, BLayoutItem* item,
49									int32 index) const;
50	virtual	status_t			ItemUnarchived(const BMessage* from,
51									BLayoutItem* item, int32 index);
52
53	virtual	bool				ItemAdded(BLayoutItem* item, int32 atIndex);
54	virtual	void				ItemRemoved(BLayoutItem* item, int32 fromIndex);
55	virtual	void				LayoutInvalidated(bool children);
56	virtual	void				OwnerChanged(BView* was);
57
58	// BLayoutItem hook methods
59	virtual	void				AttachedToLayout();
60	virtual void				DetachedFromLayout(BLayout* layout);
61	virtual	void				AncestorVisibilityChanged(bool shown);
62
63private:
64	virtual	void				_ReservedAbstractLayout1();
65	virtual	void				_ReservedAbstractLayout2();
66	virtual	void				_ReservedAbstractLayout3();
67	virtual	void				_ReservedAbstractLayout4();
68	virtual	void				_ReservedAbstractLayout5();
69	virtual	void				_ReservedAbstractLayout6();
70	virtual	void				_ReservedAbstractLayout7();
71	virtual	void				_ReservedAbstractLayout8();
72	virtual	void				_ReservedAbstractLayout9();
73	virtual	void				_ReservedAbstractLayout10();
74
75	// forbidden methods
76								BAbstractLayout(const BAbstractLayout&);
77			void				operator =(const BAbstractLayout&);
78
79			struct	Proxy;
80			struct	ViewProxy;
81			struct	DataProxy;
82
83			Proxy*				fExplicitData;
84			uint32				_reserved[4];
85};
86
87#endif	//	_ABSTRACT_LAYOUT_ITEM_H
88