reactos/base/applications/clipbrd/cliputils.c

147 lines
4.2 KiB
C

/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS Clipboard Viewer
* FILE: base/applications/clipbrd/cliputils.c
* PURPOSE: Clipboard helper functions.
* PROGRAMMERS: Ricardo Hanke
*/
#include "precomp.h"
static int
GetPredefinedClipboardFormatName(HINSTANCE hInstance,
UINT uFormat,
BOOL Unicode,
PVOID lpszFormat,
UINT cch)
{
static
struct FORMAT_NAME
{
UINT uFormat;
UINT uResID;
} uFormatList[] = {
/* Table sorted in increasing order of CF_xxx values, please keep it this way! */
{CF_TEXT , STRING_CF_TEXT }, // 1
{CF_BITMAP , STRING_CF_BITMAP }, // 2
{CF_METAFILEPICT, STRING_CF_METAFILEPICT}, // 3
{CF_SYLK , STRING_CF_SYLK }, // 4
{CF_DIF , STRING_CF_DIF }, // 5
{CF_TIFF , 0/*STRING_CF_TIFF*/ }, // 6
{CF_OEMTEXT , STRING_CF_OEMTEXT }, // 7
{CF_DIB , STRING_CF_DIB }, // 8
{CF_PALETTE , STRING_CF_PALETTE }, // 9
{CF_PENDATA , 0/*STRING_CF_PENDATA*/ }, // 10
{CF_RIFF , 0/*STRING_CF_RIFF*/ }, // 11
{CF_WAVE , 0/*STRING_CF_WAVE*/ }, // 12
{CF_UNICODETEXT , STRING_CF_UNICODETEXT }, // 13
{CF_ENHMETAFILE , STRING_CF_ENHMETAFILE }, // 14
#if(WINVER >= 0x0400)
{CF_HDROP , STRING_CF_HDROP }, // 15
{CF_LOCALE , STRING_CF_LOCALE }, // 16
#endif
#if(WINVER >= 0x0500)
{CF_DIBV5 , STRING_CF_DIBV5 }, // 17
#endif
};
switch (uFormat)
{
case CF_TEXT: case CF_BITMAP: case CF_METAFILEPICT:
case CF_SYLK: case CF_DIF: // case CF_TIFF:
case CF_OEMTEXT: case CF_DIB: case CF_PALETTE:
// case CF_PENDATA: // case CF_RIFF: // case CF_WAVE:
case CF_UNICODETEXT: case CF_ENHMETAFILE:
#if(WINVER >= 0x0400)
case CF_HDROP: case CF_LOCALE:
#endif
#if(WINVER >= 0x0500)
case CF_DIBV5:
#endif
{
if (Unicode)
return LoadStringW(hInstance, uFormatList[uFormat-1].uResID, (LPWSTR)lpszFormat, cch);
else
return LoadStringA(hInstance, uFormatList[uFormat-1].uResID, (LPSTR)lpszFormat, cch);
}
default:
{
return 0;
}
}
}
void
RetrieveClipboardFormatName(HINSTANCE hInstance,
UINT uFormat,
BOOL Unicode,
PVOID lpszFormat,
UINT cch)
{
if (!GetPredefinedClipboardFormatName(hInstance, uFormat, Unicode, lpszFormat, cch))
{
if (Unicode)
{
if (!GetClipboardFormatNameW(uFormat, (LPWSTR)lpszFormat, cch))
LoadStringW(hInstance, STRING_CF_UNKNOWN, (LPWSTR)lpszFormat, cch);
}
else
{
if (!GetClipboardFormatNameA(uFormat, (LPSTR)lpszFormat, cch))
LoadStringA(hInstance, STRING_CF_UNKNOWN, (LPSTR)lpszFormat, cch);
}
}
}
void DeleteClipboardContent(void)
{
if (!OpenClipboard(Globals.hMainWnd))
{
ShowLastWin32Error(Globals.hMainWnd);
return;
}
if (!EmptyClipboard())
{
ShowLastWin32Error(Globals.hMainWnd);
}
CloseClipboard();
}
UINT GetAutomaticClipboardFormat(void)
{
static UINT uFormatList[] = {
CF_UNICODETEXT,
CF_ENHMETAFILE,
CF_METAFILEPICT,
CF_DIBV5,
CF_DIB,
CF_BITMAP
};
return GetPriorityClipboardFormat(uFormatList, ARRAYSIZE(uFormatList));
}
BOOL IsClipboardFormatSupported(UINT uFormat)
{
switch (uFormat)
{
case CF_UNICODETEXT:
case CF_BITMAP:
case CF_ENHMETAFILE:
case CF_METAFILEPICT:
case CF_DIB:
case CF_DIBV5:
{
return TRUE;
}
default:
{
return FALSE;
}
}
}