1 /* 2 * Copyright 2006-2010, Haiku Inc. 3 * Distributed under the terms of the MIT License. 4 */ 5 #ifndef _VIEW_LAYOUT_ITEM_H 6 #define _VIEW_LAYOUT_ITEM_H 7 8 #include <LayoutItem.h> 9 10 11 class BViewLayoutItem : public BLayoutItem { 12 public: 13 BViewLayoutItem(BView* view); 14 BViewLayoutItem(BMessage* from); 15 virtual ~BViewLayoutItem(); 16 17 virtual BSize MinSize(); 18 virtual BSize MaxSize(); 19 virtual BSize PreferredSize(); 20 virtual BAlignment Alignment(); 21 22 virtual void SetExplicitMinSize(BSize size); 23 virtual void SetExplicitMaxSize(BSize size); 24 virtual void SetExplicitPreferredSize(BSize size); 25 virtual void SetExplicitAlignment(BAlignment alignment); 26 27 virtual bool IsVisible(); 28 virtual void SetVisible(bool visible); 29 30 virtual BRect Frame(); 31 virtual void SetFrame(BRect frame); 32 33 virtual bool HasHeightForWidth(); 34 virtual void GetHeightForWidth(float width, float* min, 35 float* max, float* preferred); 36 37 virtual BView* View(); 38 39 virtual void Relayout(bool immediate = false); 40 41 virtual status_t Archive(BMessage* into, bool deep = true) const; 42 virtual status_t AllArchived(BMessage* into) const; 43 virtual status_t AllUnarchived(const BMessage* from); 44 static BArchivable* Instantiate(BMessage* from); 45 46 protected: 47 virtual void LayoutInvalidated(bool children); 48 virtual void AncestorVisibilityChanged(bool shown); 49 50 private: 51 BView* fView; 52 int32 fAncestorsVisible; 53 }; 54 55 #endif // _VIEW_LAYOUT_ITEM_H 56