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Borland C++ V5.02
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GDIPRINT.PAK
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PALCTRL.H
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C/C++ Source or Header
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1997-05-06
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55 lines
// PalCtrl messages
#define PCM_GETCURSEL WM_USER+1
#define PCM_SETCURSEL WM_USER+2
// PalCtrl notification codes
#define PCN_CHANGE 1
// PalCtrl defines
#define PAL_CBWNDEXTRA (1 * sizeof(HANDLE)) // Size of window extra bytes
#define WL_PAL_HPALCTRLINFO 0 // Handle to PALINFO structure
// PalCtrl internal data structure
typedef struct
{
HPALETTE hPal; // Handle to palette being displayed.
int nEntries; // # of entries in the palette.
int nRows, nCols; // # of Rows/Columns in window.
int cxSquare, cySquare; // Pixel width/height of palette square.
int nEntry; // Currently selected palette square.
} PALCTRLINFO, FAR *LPPALCTRLINFO;
// PalCtrl data structure for passing current selection info
typedef struct
{
int index;
int red;
int green;
int blue;
} PALINFO, FAR *LPPALINFO;
// globals
extern PALINFO palinfo;
// Msg handler prototypes
LRESULT MsgPalCtrlCreate(HWND, UINT, WPARAM, LPARAM);
LRESULT MsgPalCtrlPaint (HWND, UINT, WPARAM, LPARAM);
LRESULT MsgPalCtrlPaint (HWND, UINT, WPARAM, LPARAM);
LRESULT MsgPalCtrlLButtonDown(HWND, UINT, WPARAM, LPARAM);
LRESULT MsgPalCtrlLButtonDblClk(HWND, UINT, WPARAM, LPARAM);
LRESULT MsgPalCtrlDestroy(HWND, UINT, WPARAM, LPARAM);
LRESULT MsgPalCtrlGetDlgCode(HWND, UINT, WPARAM, LPARAM);
LRESULT MsgPalCtrlKeyDown(HWND, UINT, WPARAM, LPARAM);
LRESULT MsgPalCtrlGetCurSel(HWND, UINT, WPARAM, LPARAM);
LRESULT MsgPalCtrlSetCurSel(HWND, UINT, WPARAM, LPARAM);
// Function prototypes.
LRESULT CALLBACK PalCtrlProc(HWND, UINT, WPARAM, LPARAM);
HPALETTE GetSystemPalette(void);
HPALETTE CopyPaletteChangingFlags(HPALETTE, BYTE);
BOOL RegisterPalCtrlClass(HINSTANCE);
void SetPalCtrlPalette(HWND, HPALETTE);
int ColorsInPalette(HPALETTE);
void HighlightSquare(HDC, HPALETTE, int, int, int, int, int);
void UnHighlightSquare(HDC, int, int, int, int);