reactos/base/applications/games/solitaire/cardlib/dropzone.h

   1 #ifndef DROPZONE_INCLUDED
   2 #define DROPZONE_INCLUDED
   3
   4 //
   5 //      define a drop-zone, which can be used to over-ride
   6 //      drop-behaviour for any card stacks which fall under it
   7 //
   8
   9 class CardStack;
  10
  11 class DropZone
  12 {
  13         friend class CardWindow;
  14
  15         DropZone(int Id, RECT *rect, pDropZoneProc proc) :
  16           id(Id), DropZoneCallback(proc) { CopyRect(&zone, rect); }
  17
  18 public:
  19
  20         void SetZone(RECT *rect) { CopyRect(&zone, rect); }
  21         void GetZone(RECT *rect) { CopyRect(rect, &zone); }
  22         void SetCallback(pDropZoneProc callback) { DropZoneCallback = callback; }
  23
  24         int  DropCards(CardStack &cardstack)
  25         {
  26                 if(DropZoneCallback)
  27                         return DropZoneCallback(id, cardstack);
  28                 else
  29                         return -1;
  30         }
  31
  32 private:
  33
  34         int  id;
  35         RECT zone;
  36         pDropZoneProc DropZoneCallback;
  37 };
  38
  39 #endif