1 #include <OS.h> 2 #include <View.h> 3 #include <Region.h> 4 5 class Layer; 6 7 class MyView: public BView 8 { 9 public: 10 MyView(BRect frame, const char *name, uint32 resizingMode, uint32 flags); 11 virtual ~MyView(); 12 13 virtual void Draw(BRect area); 14 virtual void MouseDown(BPoint where); 15 virtual void MouseUp(BPoint where); 16 virtual void MouseMoved(BPoint where, uint32 code, const BMessage *a_message); 17 virtual void MessageReceived(BMessage*); 18 19 void CopyRegion(BRegion *region, int32 xOffset, int32 yOffset); 20 void RequestRedraw(); 21 22 Layer* FindLayer(Layer *lay, BPoint &where) const; 23 24 Layer *topLayer; 25 BRegion fRedrawReg; 26 private: 27 void DrawSubTree(Layer* lay); 28 29 bool fTracking; 30 BPoint fLastPos; 31 Layer *fMovingLayer; 32 bool fIsResize; 33 bool fIs2ndButton; 34 };