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 12 class BAbstractLayout : public BLayout { 13 public: 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 virtual status_t AllUnarchived(const BMessage* from); 41 42 protected: 43 virtual void OwnerChanged(BView* was); 44 virtual void AncestorVisibilityChanged(bool shown); 45 46 private: 47 struct Proxy; 48 struct ViewProxy; 49 struct DataProxy; 50 51 Proxy* fExplicitData; 52 }; 53 54 #endif // _ABSTRACT_LAYOUT_ITEM_H 55