cardwindow.h

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#ifndef CARDBOARD_INCLUDED
#define CARDBOARD_INCLUDED
 
#define MAXBUTTONS      32
#define MAXCARDSTACKS   32
#define MAXDROPZONES    8
 
class CardRegion;
class CardButton;
 
LRESULT CALLBACK CardWndProc(HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam);
 
class CardWindow
{
    friend class CardRegion;
    friend class CardButton;
 
    friend void RegisterCardWindow();
 
public:
 
    CardWindow();
    ~CardWindow();
 
    //
    //  Basic windowing support
    //
    BOOL Create(HWND hwndParent, DWORD dwExStyle, DWORD dwStyle, int x, int y, int width, int height);
    BOOL Destroy();
 
    operator HWND() { return m_hWnd; }
 
    CardButton *CreateButton (int id, TCHAR *szText, UINT uStyle, bool fVisible, int x, int y, int width, int height);
    CardRegion *CreateRegion (int id, bool fVisible, int x, int y, int xoffset, int yoffset);
 
    CardButton *CardButtonFromId(int id);
    CardRegion *CardRegionFromId(int id);
 
    bool DeleteButton(CardButton *pButton);
    bool DeleteRegion(CardRegion *pRegion);
    bool DeleteAll();
 
    void     SetBackColor(COLORREF cr);
    COLORREF GetBackColor();
    void     SetBackCardIdx(UINT uBackIdx);
    UINT     GetBackCardIdx();
    void     SetBackImage(HBITMAP hBitmap);
 
    void EmptyStacks(void);
    void Redraw(void);
    void Update(void);
 
    bool DistributeStacks(int nIdFrom, int nNumStacks, UINT xJustify, int xSpacing, int nStartX);
    void SetResizeProc(pResizeWndProc proc);
    int  GetWidth() { return nWidth; }
    int  GetHeight() { return nHeight; }
 
    //
    //  Dropzone support
    //
    bool      RegisterDropZone(int id, RECT *rect, pDropZoneProc proc);
    bool      DeleteDropZone(int id);
 
private:
 
    int       GetNumDropZones() { return nNumDropZones; }
    DropZone* GetDropZoneFromRect(RECT *rect);
 
    //
    //  Window procedure - don't call
    //
       LRESULT CALLBACK WndProc    (HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam);
static LRESULT CALLBACK CardWndProc(HWND hwnd, UINT iMsg, WPARAM wParam, LPARAM lParam);
 
    //
    //  Private functions
    //
    void Paint(HDC hdc);
    void PaintCardRgn(HDC hdc, int dx, int dy, int width, int height, int sx, int sy);
 
    HPALETTE CreateCardPalette();
 
    CardButton *CardButtonFromPoint(int x, int y);
    CardRegion *CardRegionFromPoint(int x, int y);
    CardRegion *GetBestStack(int x, int y, int w, int h);
 
    //
    //  Private members
    //
 
    HWND m_hWnd;            //window handle!
    int  nWidth, nHeight;
 
    UINT    nBackCardIdx;   //all stacks share this card index by default
 
    HBITMAP hbmBackImage;
    HDC     hdcBackImage;
 
 
    CardButton  * Buttons[MAXBUTTONS];
    int           nNumButtons;
 
    CardRegion  * Regions[MAXCARDSTACKS];
    int           nNumCardRegions;
 
    DropZone    * dropzone[MAXDROPZONES];
    int           nNumDropZones;
 
    COLORREF  crBackgnd;
 
    pResizeWndProc  ResizeWndCallback;
 
 
};
 
#endif /* CARDBOARD_INCLUDED */