/* * Cursor and icon support * * Copyright 1995 Alexandre Julliard * 1996 Martin Von Loewis * 1997 Alex Korobka * 1998 Turchanov Sergey * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ /* * Theory: * * http://www.microsoft.com/win32dev/ui/icons.htm * * Cursors and icons are stored in a global heap block, with the * following layout: * * CURSORICONINFO info; * BYTE[] ANDbits; * BYTE[] XORbits; * * The bits structures are in the format of a device-dependent bitmap. * * This layout is very sub-optimal, as the bitmap bits are stored in * the X client instead of in the server like other bitmaps; however, * some programs (notably Paint Brush) expect to be able to manipulate * the bits directly :-( * * FIXME: what are we going to do with animation and color (bpp > 1) cursors ?! */ #include #include #include "windef.h" #include "wingdi.h" #include "wine/winbase16.h" #include "wine/winuser16.h" #include "wine/exception.h" #include "bitmap.h" #include "cursoricon.h" #include "module.h" #include "wine/debug.h" #include "user.h" #include "queue.h" #include "input.h" #include "message.h" #include "winerror.h" #include "msvcrt/excpt.h" WINE_DEFAULT_DEBUG_CHANNEL(cursor); WINE_DECLARE_DEBUG_CHANNEL(icon); WINE_DECLARE_DEBUG_CHANNEL(resource); /* handle conversions */ #define HCURSOR_16(h32) (LOWORD(h32)) #define HGLOBAL_16(h32) (LOWORD(h32)) #define HICON_16(h32) (LOWORD(h32)) #define HINSTANCE_16(h32) (LOWORD(h32)) #define HCURSOR_32(h16) ((HCURSOR)(ULONG_PTR)(h16)) #define HICON_32(h16) ((HICON)(ULONG_PTR)(h16)) #define HINSTANCE_32(h16) ((HINSTANCE)(ULONG_PTR)(h16)) #define HMODULE_32(h16) ((HMODULE)(ULONG_PTR)(h16)) static RECT CURSOR_ClipRect; /* Cursor clipping rect */ static HDC screen_dc; /********************************************************************** * ICONCACHE for cursors/icons loaded with LR_SHARED. * * FIXME: This should not be allocated on the system heap, but on a * subsystem-global heap (i.e. one for all Win16 processes, * and one for each Win32 process). */ typedef struct tagICONCACHE { struct tagICONCACHE *next; HMODULE hModule; HRSRC hRsrc; HRSRC hGroupRsrc; HICON hIcon; INT count; } ICONCACHE; static ICONCACHE *IconAnchor = NULL; static CRITICAL_SECTION IconCrst = CRITICAL_SECTION_INIT("IconCrst"); static WORD ICON_HOTSPOT = 0x4242; /*********************************************************************** * map_fileW * * Helper function to map a file to memory: * name - file name * [RETURN] ptr - pointer to mapped file */ static void *map_fileW( LPCWSTR name ) { HANDLE hFile, hMapping; LPVOID ptr = NULL; hFile = CreateFileW( name, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_FLAG_RANDOM_ACCESS, 0 ); if (hFile != INVALID_HANDLE_VALUE) { hMapping = CreateFileMappingA( hFile, NULL, PAGE_READONLY, 0, 0, NULL ); CloseHandle( hFile ); if (hMapping) { ptr = MapViewOfFile( hMapping, FILE_MAP_READ, 0, 0, 0 ); CloseHandle( hMapping ); } } return ptr; } /*********************************************************************** * get_bitmap_width_bytes * * Return number of bytes taken by a scanline of 16-bit aligned Windows DDB * data. */ static int get_bitmap_width_bytes( int width, int bpp ) { switch(bpp) { case 1: return 2 * ((width+15) / 16); case 4: return 2 * ((width+3) / 4); case 24: width *= 3; /* fall through */ case 8: return width + (width & 1); case 16: case 15: return width * 2; case 32: return width * 4; default: WARN("Unknown depth %d, please report.\n", bpp ); } return -1; } /********************************************************************** * CURSORICON_FindSharedIcon */ static HICON CURSORICON_FindSharedIcon( HMODULE hModule, HRSRC hRsrc ) { HICON hIcon = 0; ICONCACHE *ptr; EnterCriticalSection( &IconCrst ); for ( ptr = IconAnchor; ptr; ptr = ptr->next ) if ( ptr->hModule == hModule && ptr->hRsrc == hRsrc ) { ptr->count++; hIcon = ptr->hIcon; break; } LeaveCriticalSection( &IconCrst ); return hIcon; } /************************************************************************* * CURSORICON_FindCache * * Given a handle, find the corresponding cache element * * PARAMS * Handle [I] handle to an Image * * RETURNS * Success: The cache entry * Failure: NULL * */ static ICONCACHE* CURSORICON_FindCache(HICON hIcon) { ICONCACHE *ptr; ICONCACHE *pRet=NULL; BOOL IsFound = FALSE; int count; EnterCriticalSection( &IconCrst ); for (count = 0, ptr = IconAnchor; ptr != NULL && !IsFound; ptr = ptr->next, count++ ) { if ( hIcon == ptr->hIcon ) { IsFound = TRUE; pRet = ptr; } } LeaveCriticalSection( &IconCrst ); return pRet; } /********************************************************************** * CURSORICON_AddSharedIcon */ static void CURSORICON_AddSharedIcon( HMODULE hModule, HRSRC hRsrc, HRSRC hGroupRsrc, HICON hIcon ) { ICONCACHE *ptr = HeapAlloc( GetProcessHeap(), 0, sizeof(ICONCACHE) ); if ( !ptr ) return; ptr->hModule = hModule; ptr->hRsrc = hRsrc; ptr->hIcon = hIcon; ptr->hGroupRsrc = hGroupRsrc; ptr->count = 1; EnterCriticalSection( &IconCrst ); ptr->next = IconAnchor; IconAnchor = ptr; LeaveCriticalSection( &IconCrst ); } /********************************************************************** * CURSORICON_DelSharedIcon */ static INT CURSORICON_DelSharedIcon( HICON hIcon ) { INT count = -1; ICONCACHE *ptr; EnterCriticalSection( &IconCrst ); for ( ptr = IconAnchor; ptr; ptr = ptr->next ) if ( ptr->hIcon == hIcon ) { if ( ptr->count > 0 ) ptr->count--; count = ptr->count; break; } LeaveCriticalSection( &IconCrst ); return count; } /********************************************************************** * CURSORICON_FreeModuleIcons */ void CURSORICON_FreeModuleIcons( HMODULE hModule ) { ICONCACHE **ptr = &IconAnchor; if ( HIWORD( hModule ) ) hModule = MapHModuleLS( hModule ); else hModule = GetExePtr( hModule ); EnterCriticalSection( &IconCrst ); while ( *ptr ) { if ( (*ptr)->hModule == hModule ) { ICONCACHE *freePtr = *ptr; *ptr = freePtr->next; GlobalFree16(HICON_16(freePtr->hIcon)); HeapFree( GetProcessHeap(), 0, freePtr ); continue; } ptr = &(*ptr)->next; } LeaveCriticalSection( &IconCrst ); } /********************************************************************** * CURSORICON_FindBestIcon * * Find the icon closest to the requested size and number of colors. */ static CURSORICONDIRENTRY *CURSORICON_FindBestIcon( CURSORICONDIR *dir, int width, int height, int colors ) { int i; CURSORICONDIRENTRY *entry, *bestEntry = NULL; UINT iTotalDiff, iXDiff=0, iYDiff=0, iColorDiff; UINT iTempXDiff, iTempYDiff, iTempColorDiff; if (dir->idCount < 1) { WARN_(icon)("Empty directory!\n" ); return NULL; } if (dir->idCount == 1) return &dir->idEntries[0]; /* No choice... */ /* Find Best Fit */ iTotalDiff = 0xFFFFFFFF; iColorDiff = 0xFFFFFFFF; for (i = 0, entry = &dir->idEntries[0]; i < dir->idCount; i++,entry++) { iTempXDiff = abs(width - entry->ResInfo.icon.bWidth); iTempYDiff = abs(height - entry->ResInfo.icon.bHeight); if(iTotalDiff > (iTempXDiff + iTempYDiff)) { iXDiff = iTempXDiff; iYDiff = iTempYDiff; iTotalDiff = iXDiff + iYDiff; } } /* Find Best Colors for Best Fit */ for (i = 0, entry = &dir->idEntries[0]; i < dir->idCount; i++,entry++) { if(abs(width - entry->ResInfo.icon.bWidth) == iXDiff && abs(height - entry->ResInfo.icon.bHeight) == iYDiff) { iTempColorDiff = abs(colors - entry->ResInfo.icon.bColorCount); if(iColorDiff > iTempColorDiff) { bestEntry = entry; iColorDiff = iTempColorDiff; } } } return bestEntry; } /********************************************************************** * CURSORICON_FindBestCursor * * Find the cursor closest to the requested size. * FIXME: parameter 'color' ignored and entries with more than 1 bpp * ignored too */ static CURSORICONDIRENTRY *CURSORICON_FindBestCursor( CURSORICONDIR *dir, int width, int height, int color) { int i, maxwidth, maxheight; CURSORICONDIRENTRY *entry, *bestEntry = NULL; if (dir->idCount < 1) { WARN_(cursor)("Empty directory!\n" ); return NULL; } if (dir->idCount == 1) return &dir->idEntries[0]; /* No choice... */ /* Double height to account for AND and XOR masks */ height *= 2; /* First find the largest one smaller than or equal to the requested size*/ maxwidth = maxheight = 0; for(i = 0,entry = &dir->idEntries[0]; i < dir->idCount; i++,entry++) if ((entry->ResInfo.cursor.wWidth <= width) && (entry->ResInfo.cursor.wHeight <= height) && (entry->ResInfo.cursor.wWidth > maxwidth) && (entry->ResInfo.cursor.wHeight > maxheight) && (entry->wBitCount == 1)) { bestEntry = entry; maxwidth = entry->ResInfo.cursor.wWidth; maxheight = entry->ResInfo.cursor.wHeight; } if (bestEntry) return bestEntry; /* Now find the smallest one larger than the requested size */ maxwidth = maxheight = 255; for(i = 0,entry = &dir->idEntries[0]; i < dir->idCount; i++,entry++) if ((entry->ResInfo.cursor.wWidth < maxwidth) && (entry->ResInfo.cursor.wHeight < maxheight) && (entry->wBitCount == 1)) { bestEntry = entry; maxwidth = entry->ResInfo.cursor.wWidth; maxheight = entry->ResInfo.cursor.wHeight; } return bestEntry; } /********************************************************************* * The main purpose of this function is to create fake resource directory * and fake resource entries. There are several reasons for this: * - CURSORICONDIR and CURSORICONFILEDIR differ in sizes and their * fields * There are some "bad" cursor files which do not have * bColorCount initialized but instead one must read this info * directly from corresponding DIB sections * Note: wResId is index to array of pointer returned in ptrs (origin is 1) */ static BOOL CURSORICON_SimulateLoadingFromResourceW( LPWSTR filename, BOOL fCursor, CURSORICONDIR **res, LPBYTE **ptr) { LPBYTE _free; CURSORICONFILEDIR *bits; int entries, size, i; *res = NULL; *ptr = NULL; if (!(bits = map_fileW( filename ))) return FALSE; /* FIXME: test for inimated icons * hack to load the first icon from the *.ani file */ if ( *(LPDWORD)bits==0x46464952 ) /* "RIFF" */ { LPBYTE pos = (LPBYTE) bits; FIXME_(cursor)("Animated icons not correctly implemented! %p \n", bits); for (;;) { if (*(LPDWORD)pos==0x6e6f6369) /* "icon" */ { FIXME_(cursor)("icon entry found! %p\n", bits); pos+=4; if ( !*(LPWORD) pos==0x2fe) /* iconsize */ { goto fail; } bits=(CURSORICONFILEDIR*)(pos+4); FIXME_(cursor)("icon size ok. offset=%p \n", bits); break; } pos+=2; if (pos>=(LPBYTE)bits+766) goto fail; } } if (!(entries = bits->idCount)) goto fail; size = sizeof(CURSORICONDIR) + sizeof(CURSORICONDIRENTRY) * (entries - 1); _free = (LPBYTE) size; for (i=0; i < entries; i++) size += bits->idEntries[i].dwDIBSize + (fCursor ? sizeof(POINT16): 0); if (!(*ptr = HeapAlloc( GetProcessHeap(), 0, entries * sizeof (CURSORICONDIRENTRY*)))) goto fail; if (!(*res = HeapAlloc( GetProcessHeap(), 0, size))) goto fail; _free = (LPBYTE)(*res) + (int)_free; memcpy((*res), bits, 6); for (i=0; iidEntries[i].ResInfo.cursor.wWidth=bits->idEntries[i].bWidth; (*res)->idEntries[i].ResInfo.cursor.wHeight=bits->idEntries[i].bHeight; ((LPPOINT16)_free)->x=bits->idEntries[i].xHotspot; ((LPPOINT16)_free)->y=bits->idEntries[i].yHotspot; _free+=sizeof(POINT16); } else { (*res)->idEntries[i].ResInfo.icon.bWidth=bits->idEntries[i].bWidth; (*res)->idEntries[i].ResInfo.icon.bHeight=bits->idEntries[i].bHeight; (*res)->idEntries[i].ResInfo.icon.bColorCount = bits->idEntries[i].bColorCount; } (*res)->idEntries[i].wPlanes=1; (*res)->idEntries[i].wBitCount = ((LPBITMAPINFOHEADER)((LPBYTE)bits + bits->idEntries[i].dwDIBOffset))->biBitCount; (*res)->idEntries[i].dwBytesInRes = bits->idEntries[i].dwDIBSize; (*res)->idEntries[i].wResId=i+1; memcpy(_free,(LPBYTE)bits +bits->idEntries[i].dwDIBOffset, (*res)->idEntries[i].dwBytesInRes); _free += (*res)->idEntries[i].dwBytesInRes; } UnmapViewOfFile( bits ); return TRUE; fail: if (*res) HeapFree( GetProcessHeap(), 0, *res ); if (*ptr) HeapFree( GetProcessHeap(), 0, *ptr ); UnmapViewOfFile( bits ); return FALSE; } /********************************************************************** * CURSORICON_CreateFromResource * * Create a cursor or icon from in-memory resource template. * * FIXME: Convert to mono when cFlag is LR_MONOCHROME. Do something * with cbSize parameter as well. */ static HICON CURSORICON_CreateFromResource( HINSTANCE hInstance, HICON hObject, LPBYTE bits, UINT cbSize, BOOL bIcon, DWORD dwVersion, INT width, INT height, UINT loadflags ) { static HDC hdcMem; int sizeAnd, sizeXor; HBITMAP hAndBits = 0, hXorBits = 0; /* error condition for later */ HGLOBAL16 hObj = HGLOBAL_16(hObject); BITMAP bmpXor, bmpAnd; POINT16 hotspot; BITMAPINFO *bmi; BOOL DoStretch; INT size; hotspot.x = ICON_HOTSPOT; hotspot.y = ICON_HOTSPOT; TRACE_(cursor)("%08x (%u bytes), ver %08x, %ix%i %s %s\n", (unsigned)bits, cbSize, (unsigned)dwVersion, width, height, bIcon ? "icon" : "cursor", (loadflags & LR_MONOCHROME) ? "mono" : "" ); if (dwVersion == 0x00020000) { FIXME_(cursor)("\t2.xx resources are not supported\n"); return 0; } if (bIcon) bmi = (BITMAPINFO *)bits; else /* get the hotspot */ { POINT16 *pt = (POINT16 *)bits; hotspot = *pt; bmi = (BITMAPINFO *)(pt + 1); } size = DIB_BitmapInfoSize( bmi, DIB_RGB_COLORS ); if (!width) width = bmi->bmiHeader.biWidth; if (!height) height = bmi->bmiHeader.biHeight/2; DoStretch = (bmi->bmiHeader.biHeight/2 != height) || (bmi->bmiHeader.biWidth != width); /* Check bitmap header */ if ( (bmi->bmiHeader.biSize != sizeof(BITMAPCOREHEADER)) && (bmi->bmiHeader.biSize != sizeof(BITMAPINFOHEADER) || bmi->bmiHeader.biCompression != BI_RGB) ) { WARN_(cursor)("\tinvalid resource bitmap header.\n"); return 0; } if (!screen_dc) screen_dc = CreateDCA( "DISPLAY", NULL, NULL, NULL ); if (screen_dc) { BITMAPINFO* pInfo; /* Make sure we have room for the monochrome bitmap later on. * Note that BITMAPINFOINFO and BITMAPCOREHEADER are the same * up to and including the biBitCount. In-memory icon resource * format is as follows: * * BITMAPINFOHEADER icHeader // DIB header * RGBQUAD icColors[] // Color table * BYTE icXOR[] // DIB bits for XOR mask * BYTE icAND[] // DIB bits for AND mask */ if ((pInfo = (BITMAPINFO *)HeapAlloc( GetProcessHeap(), 0, max(size, sizeof(BITMAPINFOHEADER) + 2*sizeof(RGBQUAD))))) { memcpy( pInfo, bmi, size ); pInfo->bmiHeader.biHeight /= 2; /* Create the XOR bitmap */ if (DoStretch) { if(bIcon) { hXorBits = CreateCompatibleBitmap(screen_dc, width, height); } else { hXorBits = CreateBitmap(width, height, 1, 1, NULL); } if(hXorBits) { HBITMAP hOld; BOOL res = FALSE; if (!hdcMem) hdcMem = CreateCompatibleDC(screen_dc); if (hdcMem) { hOld = SelectObject(hdcMem, hXorBits); res = StretchDIBits(hdcMem, 0, 0, width, height, 0, 0, bmi->bmiHeader.biWidth, bmi->bmiHeader.biHeight/2, (char*)bmi + size, pInfo, DIB_RGB_COLORS, SRCCOPY); SelectObject(hdcMem, hOld); } if (!res) { DeleteObject(hXorBits); hXorBits = 0; } } } else hXorBits = CreateDIBitmap( screen_dc, &pInfo->bmiHeader, CBM_INIT, (char*)bmi + size, pInfo, DIB_RGB_COLORS ); if( hXorBits ) { char* xbits = (char *)bmi + size + DIB_GetDIBImageBytes(bmi->bmiHeader.biWidth, bmi->bmiHeader.biHeight, bmi->bmiHeader.biBitCount) / 2; pInfo->bmiHeader.biBitCount = 1; if (pInfo->bmiHeader.biSize == sizeof(BITMAPINFOHEADER)) { RGBQUAD *rgb = pInfo->bmiColors; pInfo->bmiHeader.biClrUsed = pInfo->bmiHeader.biClrImportant = 2; rgb[0].rgbBlue = rgb[0].rgbGreen = rgb[0].rgbRed = 0x00; rgb[1].rgbBlue = rgb[1].rgbGreen = rgb[1].rgbRed = 0xff; rgb[0].rgbReserved = rgb[1].rgbReserved = 0; } else { RGBTRIPLE *rgb = (RGBTRIPLE *)(((BITMAPCOREHEADER *)pInfo) + 1); rgb[0].rgbtBlue = rgb[0].rgbtGreen = rgb[0].rgbtRed = 0x00; rgb[1].rgbtBlue = rgb[1].rgbtGreen = rgb[1].rgbtRed = 0xff; } /* Create the AND bitmap */ if (DoStretch) { if ((hAndBits = CreateBitmap(width, height, 1, 1, NULL))) { HBITMAP hOld; BOOL res = FALSE; if (!hdcMem) hdcMem = CreateCompatibleDC(screen_dc); if (hdcMem) { hOld = SelectObject(hdcMem, hAndBits); res = StretchDIBits(hdcMem, 0, 0, width, height, 0, 0, pInfo->bmiHeader.biWidth, pInfo->bmiHeader.biHeight, xbits, pInfo, DIB_RGB_COLORS, SRCCOPY); SelectObject(hdcMem, hOld); } if (!res) { DeleteObject(hAndBits); hAndBits = 0; } } } else hAndBits = CreateDIBitmap( screen_dc, &pInfo->bmiHeader, CBM_INIT, xbits, pInfo, DIB_RGB_COLORS ); if( !hAndBits ) DeleteObject( hXorBits ); } HeapFree( GetProcessHeap(), 0, pInfo ); } } if( !hXorBits || !hAndBits ) { WARN_(cursor)("\tunable to create an icon bitmap.\n"); return 0; } /* Now create the CURSORICONINFO structure */ GetObjectA( hXorBits, sizeof(bmpXor), &bmpXor ); GetObjectA( hAndBits, sizeof(bmpAnd), &bmpAnd ); sizeXor = bmpXor.bmHeight * bmpXor.bmWidthBytes; sizeAnd = bmpAnd.bmHeight * bmpAnd.bmWidthBytes; if (hObj) hObj = GlobalReAlloc16( hObj, sizeof(CURSORICONINFO) + sizeXor + sizeAnd, GMEM_MOVEABLE ); if (!hObj) hObj = GlobalAlloc16( GMEM_MOVEABLE, sizeof(CURSORICONINFO) + sizeXor + sizeAnd ); if (hObj) { CURSORICONINFO *info; /* Make it owned by the module */ if (hInstance) hInstance = GetExePtr(hInstance); FarSetOwner16( hObj, hInstance ); info = (CURSORICONINFO *)GlobalLock16( hObj ); info->ptHotSpot.x = hotspot.x; info->ptHotSpot.y = hotspot.y; info->nWidth = bmpXor.bmWidth; info->nHeight = bmpXor.bmHeight; info->nWidthBytes = bmpXor.bmWidthBytes; info->bPlanes = bmpXor.bmPlanes; info->bBitsPerPixel = bmpXor.bmBitsPixel; /* Transfer the bitmap bits to the CURSORICONINFO structure */ GetBitmapBits( hAndBits, sizeAnd, (char *)(info + 1) ); GetBitmapBits( hXorBits, sizeXor, (char *)(info + 1) + sizeAnd ); GlobalUnlock16( hObj ); } DeleteObject( hAndBits ); DeleteObject( hXorBits ); return HICON_32((HICON16)hObj); } /********************************************************************** * CreateIconFromResource (USER32.@) */ HICON WINAPI CreateIconFromResource( LPBYTE bits, UINT cbSize, BOOL bIcon, DWORD dwVersion) { return CreateIconFromResourceEx( bits, cbSize, bIcon, dwVersion, 0,0,0); } /********************************************************************** * CreateIconFromResourceEx (USER32.@) */ HICON WINAPI CreateIconFromResourceEx( LPBYTE bits, UINT cbSize, BOOL bIcon, DWORD dwVersion, INT width, INT height, UINT cFlag ) { return CURSORICON_CreateFromResource( 0, 0, bits, cbSize, bIcon, dwVersion, width, height, cFlag ); } /********************************************************************** * CURSORICON_Load * * Load a cursor or icon from resource or file. */ static HICON CURSORICON_Load(HINSTANCE hInstance, LPCWSTR name, INT width, INT height, INT colors, BOOL fCursor, UINT loadflags) { HANDLE handle = 0; HICON hIcon = 0; HRSRC hRsrc; CURSORICONDIR *dir; CURSORICONDIRENTRY *dirEntry; LPBYTE bits; if ( loadflags & LR_LOADFROMFILE ) /* Load from file */ { LPBYTE *ptr; if (!CURSORICON_SimulateLoadingFromResourceW((LPWSTR)name, fCursor, &dir, &ptr)) return 0; if (fCursor) dirEntry = (CURSORICONDIRENTRY *)CURSORICON_FindBestCursor(dir, width, height, 1); else dirEntry = (CURSORICONDIRENTRY *)CURSORICON_FindBestIcon(dir, width, height, colors); bits = ptr[dirEntry->wResId-1]; hIcon = CURSORICON_CreateFromResource( 0, 0, bits, dirEntry->dwBytesInRes, !fCursor, 0x00030000, width, height, loadflags); HeapFree( GetProcessHeap(), 0, dir ); HeapFree( GetProcessHeap(), 0, ptr ); } else /* Load from resource */ { HRSRC hGroupRsrc; WORD wResId; DWORD dwBytesInRes; if (!hInstance) /* Load OEM cursor/icon */ { if (!(hInstance = GetModuleHandleA( "user32.dll" ))) return 0; } /* Normalize hInstance (must be uniquely represented for icon cache) */ if ( HIWORD( hInstance ) ) hInstance = MapHModuleLS( hInstance ); else hInstance = GetExePtr( hInstance ); /* Get directory resource ID */ if (!(hRsrc = FindResourceW( hInstance, name, fCursor ? RT_GROUP_CURSORW : RT_GROUP_ICONW ))) return 0; hGroupRsrc = hRsrc; /* Find the best entry in the directory */ if (!(handle = LoadResource( hInstance, hRsrc ))) return 0; if (!(dir = (CURSORICONDIR*)LockResource( handle ))) return 0; if (fCursor) dirEntry = (CURSORICONDIRENTRY *)CURSORICON_FindBestCursor( dir, width, height, 1); else dirEntry = (CURSORICONDIRENTRY *)CURSORICON_FindBestIcon( dir, width, height, colors ); if (!dirEntry) return 0; wResId = dirEntry->wResId; dwBytesInRes = dirEntry->dwBytesInRes; FreeResource( handle ); /* Load the resource */ if (!(hRsrc = FindResourceW(hInstance,MAKEINTRESOURCEW(wResId), fCursor ? RT_CURSORW : RT_ICONW ))) return 0; /* If shared icon, check whether it was already loaded */ if ( (loadflags & LR_SHARED) && (hIcon = CURSORICON_FindSharedIcon( hInstance, hRsrc ) ) != 0 ) return hIcon; if (!(handle = LoadResource( hInstance, hRsrc ))) return 0; bits = (LPBYTE)LockResource( handle ); hIcon = CURSORICON_CreateFromResource( 0, 0, bits, dwBytesInRes, !fCursor, 0x00030000, width, height, loadflags); FreeResource( handle ); /* If shared icon, add to icon cache */ if ( hIcon && (loadflags & LR_SHARED) ) CURSORICON_AddSharedIcon( hInstance, hRsrc, hGroupRsrc, hIcon ); } return hIcon; } /*********************************************************************** * CURSORICON_Copy * * Make a copy of a cursor or icon. */ static HICON CURSORICON_Copy( HINSTANCE hInst, HICON hIcon ) { char *ptrOld, *ptrNew; int size; HINSTANCE16 hInst16 = HINSTANCE_16(hInst); HICON16 hOld = HICON_16(hIcon); HICON16 hNew; if (!(ptrOld = (char *)GlobalLock16( hOld ))) return 0; if (hInst16 && !(hInst16 = GetExePtr( hInst16 ))) return 0; size = GlobalSize16( hOld ); hNew = GlobalAlloc16( GMEM_MOVEABLE, size ); FarSetOwner16( hNew, hInst16 ); ptrNew = (char *)GlobalLock16( hNew ); memcpy( ptrNew, ptrOld, size ); GlobalUnlock16( hOld ); GlobalUnlock16( hNew ); return HICON_32(hNew); } /************************************************************************* * CURSORICON_ExtCopy * * Copies an Image from the Cache if LR_COPYFROMRESOURCE is specified * * PARAMS * Handle [I] handle to an Image * nType [I] Type of Handle (IMAGE_CURSOR | IMAGE_ICON) * iDesiredCX [I] The Desired width of the Image * iDesiredCY [I] The desired height of the Image * nFlags [I] The flags from CopyImage * * RETURNS * Success: The new handle of the Image * * NOTES * LR_COPYDELETEORG and LR_MONOCHROME are currently not implemented. * LR_MONOCHROME should be implemented by CURSORICON_CreateFromResource. * LR_COPYFROMRESOURCE will only work if the Image is in the Cache. * * */ static HICON CURSORICON_ExtCopy(HICON hIcon, UINT nType, INT iDesiredCX, INT iDesiredCY, UINT nFlags) { HICON hNew=0; TRACE_(icon)("hIcon %u, nType %u, iDesiredCX %i, iDesiredCY %i, nFlags %u\n", hIcon, nType, iDesiredCX, iDesiredCY, nFlags); if(hIcon == 0) { return 0; } /* Best Fit or Monochrome */ if( (nFlags & LR_COPYFROMRESOURCE && (iDesiredCX > 0 || iDesiredCY > 0)) || nFlags & LR_MONOCHROME) { ICONCACHE* pIconCache = CURSORICON_FindCache(hIcon); /* Not Found in Cache, then do a straight copy */ if(pIconCache == NULL) { hNew = CURSORICON_Copy(0, hIcon); if(nFlags & LR_COPYFROMRESOURCE) { TRACE_(icon)("LR_COPYFROMRESOURCE: Failed to load from cache\n"); } } else { int iTargetCY = iDesiredCY, iTargetCX = iDesiredCX; LPBYTE pBits; HANDLE hMem; HRSRC hRsrc; DWORD dwBytesInRes; WORD wResId; CURSORICONDIR *pDir; CURSORICONDIRENTRY *pDirEntry; BOOL bIsIcon = (nType == IMAGE_ICON); /* Completing iDesiredCX CY for Monochrome Bitmaps if needed */ if(((nFlags & LR_MONOCHROME) && !(nFlags & LR_COPYFROMRESOURCE)) || (iDesiredCX == 0 && iDesiredCY == 0)) { iDesiredCY = GetSystemMetrics(bIsIcon ? SM_CYICON : SM_CYCURSOR); iDesiredCX = GetSystemMetrics(bIsIcon ? SM_CXICON : SM_CXCURSOR); } /* Retrieve the CURSORICONDIRENTRY */ if (!(hMem = LoadResource( pIconCache->hModule , pIconCache->hGroupRsrc))) { return 0; } if (!(pDir = (CURSORICONDIR*)LockResource( hMem ))) { return 0; } /* Find Best Fit */ if(bIsIcon) { pDirEntry = (CURSORICONDIRENTRY *)CURSORICON_FindBestIcon( pDir, iDesiredCX, iDesiredCY, 256); } else { pDirEntry = (CURSORICONDIRENTRY *)CURSORICON_FindBestCursor( pDir, iDesiredCX, iDesiredCY, 1); } wResId = pDirEntry->wResId; dwBytesInRes = pDirEntry->dwBytesInRes; FreeResource(hMem); TRACE_(icon)("ResID %u, BytesInRes %lu, Width %d, Height %d DX %d, DY %d\n", wResId, dwBytesInRes, pDirEntry->ResInfo.icon.bWidth, pDirEntry->ResInfo.icon.bHeight, iDesiredCX, iDesiredCY); /* Get the Best Fit */ if (!(hRsrc = FindResourceW(pIconCache->hModule , MAKEINTRESOURCEW(wResId), bIsIcon ? RT_ICONW : RT_CURSORW))) { return 0; } if (!(hMem = LoadResource( pIconCache->hModule , hRsrc ))) { return 0; } pBits = (LPBYTE)LockResource( hMem ); if(nFlags & LR_DEFAULTSIZE) { iTargetCY = GetSystemMetrics(SM_CYICON); iTargetCX = GetSystemMetrics(SM_CXICON); } /* Create a New Icon with the proper dimension */ hNew = CURSORICON_CreateFromResource( 0, 0, pBits, dwBytesInRes, bIsIcon, 0x00030000, iTargetCX, iTargetCY, nFlags); FreeResource(hMem); } } else hNew = CURSORICON_Copy(0, hIcon); return hNew; } /*********************************************************************** * CreateCursor (USER32.@) */ HCURSOR WINAPI CreateCursor( HINSTANCE hInstance, INT xHotSpot, INT yHotSpot, INT nWidth, INT nHeight, LPCVOID lpANDbits, LPCVOID lpXORbits ) { CURSORICONINFO info; TRACE_(cursor)("%dx%d spot=%d,%d xor=%p and=%p\n", nWidth, nHeight, xHotSpot, yHotSpot, lpXORbits, lpANDbits); info.ptHotSpot.x = xHotSpot; info.ptHotSpot.y = yHotSpot; info.nWidth = nWidth; info.nHeight = nHeight; info.nWidthBytes = 0; info.bPlanes = 1; info.bBitsPerPixel = 1; return HICON_32(CreateCursorIconIndirect16(HINSTANCE_16(hInstance), &info, lpANDbits, lpXORbits)); } /*********************************************************************** * CreateIcon (USER.407) */ HICON16 WINAPI CreateIcon16( HINSTANCE16 hInstance, INT16 nWidth, INT16 nHeight, BYTE bPlanes, BYTE bBitsPixel, LPCVOID lpANDbits, LPCVOID lpXORbits ) { CURSORICONINFO info; TRACE_(icon)("%dx%dx%d, xor=%p, and=%p\n", nWidth, nHeight, bPlanes * bBitsPixel, lpXORbits, lpANDbits); info.ptHotSpot.x = ICON_HOTSPOT; info.ptHotSpot.y = ICON_HOTSPOT; info.nWidth = nWidth; info.nHeight = nHeight; info.nWidthBytes = 0; info.bPlanes = bPlanes; info.bBitsPerPixel = bBitsPixel; return CreateCursorIconIndirect16( hInstance, &info, lpANDbits, lpXORbits ); } /*********************************************************************** * CreateIcon (USER32.@) * * Creates an icon based on the specified bitmaps. The bitmaps must be * provided in a device dependent format and will be resized to * (SM_CXICON,SM_CYICON) and depth converted to match the screen's color * depth. The provided bitmaps must be top-down bitmaps. * Although Windows does not support 15bpp(*) this API must support it * for Winelib applications. * * (*) Windows does not support 15bpp but it supports the 555 RGB 16bpp * format! * * BUGS * * - The provided bitmaps are not resized! * - The documentation says the lpXORbits bitmap must be in a device * dependent format. But we must still resize it and perform depth * conversions if necessary. * - I'm a bit unsure about the how the 'device dependent format' thing works. * I did some tests on windows and found that if you provide a 16bpp bitmap * in lpXORbits, then its format but be 565 RGB if the screen's bit depth * is 16bpp but it must be 555 RGB if the screen's bit depth is anything * else. I don't know if this is part of the GDI specs or if this is a * quirk of the graphics card driver. * - You may think that we check whether the bit depths match or not * as an optimization. But the truth is that the conversion using * CreateDIBitmap does not work for some bit depth (e.g. 8bpp) and I have * no idea why. * - I'm pretty sure that all the things we do in CreateIcon should * also be done in CreateIconIndirect... */ HICON WINAPI CreateIcon( HINSTANCE hInstance, /* [in] the application's hInstance */ INT nWidth, /* [in] the width of the provided bitmaps */ INT nHeight, /* [in] the height of the provided bitmaps */ BYTE bPlanes, /* [in] the number of planes in the provided bitmaps */ BYTE bBitsPixel, /* [in] the number of bits per pixel of the lpXORbits bitmap */ LPCVOID lpANDbits, /* [in] a monochrome bitmap representing the icon's mask */ LPCVOID lpXORbits) /* [in] the icon's 'color' bitmap */ { HICON hIcon; HDC hdc; TRACE_(icon)("%dx%dx%d, xor=%p, and=%p\n", nWidth, nHeight, bPlanes * bBitsPixel, lpXORbits, lpANDbits); hdc=GetDC(0); if (!hdc) return 0; if (GetDeviceCaps(hdc,BITSPIXEL)==bBitsPixel) { CURSORICONINFO info; info.ptHotSpot.x = ICON_HOTSPOT; info.ptHotSpot.y = ICON_HOTSPOT; info.nWidth = nWidth; info.nHeight = nHeight; info.nWidthBytes = 0; info.bPlanes = bPlanes; info.bBitsPerPixel = bBitsPixel; hIcon=HICON_32(CreateCursorIconIndirect16(HINSTANCE_16(hInstance), &info, lpANDbits, lpXORbits)); } else { ICONINFO iinfo; BITMAPINFO bmi; iinfo.fIcon=TRUE; iinfo.xHotspot=ICON_HOTSPOT; iinfo.yHotspot=ICON_HOTSPOT; iinfo.hbmMask=CreateBitmap(nWidth,nHeight,1,1,lpANDbits); bmi.bmiHeader.biSize=sizeof(bmi.bmiHeader); bmi.bmiHeader.biWidth=nWidth; bmi.bmiHeader.biHeight=-nHeight; bmi.bmiHeader.biPlanes=bPlanes; bmi.bmiHeader.biBitCount=bBitsPixel; bmi.bmiHeader.biCompression=BI_RGB; bmi.bmiHeader.biSizeImage=0; bmi.bmiHeader.biXPelsPerMeter=0; bmi.bmiHeader.biYPelsPerMeter=0; bmi.bmiHeader.biClrUsed=0; bmi.bmiHeader.biClrImportant=0; iinfo.hbmColor = CreateDIBitmap( hdc, &bmi.bmiHeader, CBM_INIT, lpXORbits, &bmi, DIB_RGB_COLORS ); hIcon=CreateIconIndirect(&iinfo); DeleteObject(iinfo.hbmMask); DeleteObject(iinfo.hbmColor); } ReleaseDC(0,hdc); return hIcon; } /*********************************************************************** * CreateCursorIconIndirect (USER.408) */ HGLOBAL16 WINAPI CreateCursorIconIndirect16( HINSTANCE16 hInstance, CURSORICONINFO *info, LPCVOID lpANDbits, LPCVOID lpXORbits ) { HGLOBAL16 handle; char *ptr; int sizeAnd, sizeXor; hInstance = GetExePtr( hInstance ); /* Make it a module handle */ if (!lpXORbits || !lpANDbits || info->bPlanes != 1) return 0; info->nWidthBytes = get_bitmap_width_bytes(info->nWidth,info->bBitsPerPixel); sizeXor = info->nHeight * info->nWidthBytes; sizeAnd = info->nHeight * get_bitmap_width_bytes( info->nWidth, 1 ); if (!(handle = GlobalAlloc16( GMEM_MOVEABLE, sizeof(CURSORICONINFO) + sizeXor + sizeAnd))) return 0; FarSetOwner16( handle, hInstance ); ptr = (char *)GlobalLock16( handle ); memcpy( ptr, info, sizeof(*info) ); memcpy( ptr + sizeof(CURSORICONINFO), lpANDbits, sizeAnd ); memcpy( ptr + sizeof(CURSORICONINFO) + sizeAnd, lpXORbits, sizeXor ); GlobalUnlock16( handle ); return handle; } /*********************************************************************** * CopyIcon (USER.368) */ HICON16 WINAPI CopyIcon16( HINSTANCE16 hInstance, HICON16 hIcon ) { TRACE_(icon)("%04x %04x\n", hInstance, hIcon ); return HICON_16(CURSORICON_Copy(HINSTANCE_32(hInstance), HICON_32(hIcon))); } /*********************************************************************** * CopyIcon (USER32.@) */ HICON WINAPI CopyIcon( HICON hIcon ) { TRACE_(icon)("%04x\n", hIcon ); return CURSORICON_Copy( 0, hIcon ); } /*********************************************************************** * CopyCursor (USER.369) */ HCURSOR16 WINAPI CopyCursor16( HINSTANCE16 hInstance, HCURSOR16 hCursor ) { TRACE_(cursor)("%04x %04x\n", hInstance, hCursor ); return HICON_16(CURSORICON_Copy(HINSTANCE_32(hInstance), HCURSOR_32(hCursor))); } /********************************************************************** * DestroyIcon32 (USER.610) * * This routine is actually exported from Win95 USER under the name * DestroyIcon32 ... The behaviour implemented here should mimic * the Win95 one exactly, especially the return values, which * depend on the setting of various flags. */ WORD WINAPI DestroyIcon32( HGLOBAL16 handle, UINT16 flags ) { WORD retv; TRACE_(icon)("(%04x, %04x)\n", handle, flags ); /* Check whether destroying active cursor */ if ( QUEUE_Current()->cursor == HICON_32(handle) ) { WARN_(cursor)("Destroying active cursor!\n" ); SetCursor( 0 ); } /* Try shared cursor/icon first */ if ( !(flags & CID_NONSHARED) ) { INT count = CURSORICON_DelSharedIcon(HICON_32(handle)); if ( count != -1 ) return (flags & CID_WIN32)? TRUE : (count == 0); /* FIXME: OEM cursors/icons should be recognized */ } /* Now assume non-shared cursor/icon */ retv = GlobalFree16( handle ); return (flags & CID_RESOURCE)? retv : TRUE; } /*********************************************************************** * DestroyIcon (USER32.@) */ BOOL WINAPI DestroyIcon( HICON hIcon ) { return DestroyIcon32(HICON_16(hIcon), CID_WIN32); } /*********************************************************************** * DestroyCursor (USER32.@) */ BOOL WINAPI DestroyCursor( HCURSOR hCursor ) { return DestroyIcon32(HCURSOR_16(hCursor), CID_WIN32); } /*********************************************************************** * DrawIcon (USER32.@) */ BOOL WINAPI DrawIcon( HDC hdc, INT x, INT y, HICON hIcon ) { CURSORICONINFO *ptr; HDC hMemDC; HBITMAP hXorBits, hAndBits; COLORREF oldFg, oldBg; if (!(ptr = (CURSORICONINFO *)GlobalLock16(HICON_16(hIcon)))) return FALSE; if (!(hMemDC = CreateCompatibleDC( hdc ))) return FALSE; hAndBits = CreateBitmap( ptr->nWidth, ptr->nHeight, 1, 1, (char *)(ptr+1) ); hXorBits = CreateBitmap( ptr->nWidth, ptr->nHeight, ptr->bPlanes, ptr->bBitsPerPixel, (char *)(ptr + 1) + ptr->nHeight * get_bitmap_width_bytes(ptr->nWidth,1) ); oldFg = SetTextColor( hdc, RGB(0,0,0) ); oldBg = SetBkColor( hdc, RGB(255,255,255) ); if (hXorBits && hAndBits) { HBITMAP hBitTemp = SelectObject( hMemDC, hAndBits ); BitBlt( hdc, x, y, ptr->nWidth, ptr->nHeight, hMemDC, 0, 0, SRCAND ); SelectObject( hMemDC, hXorBits ); BitBlt(hdc, x, y, ptr->nWidth, ptr->nHeight, hMemDC, 0, 0,SRCINVERT); SelectObject( hMemDC, hBitTemp ); } DeleteDC( hMemDC ); if (hXorBits) DeleteObject( hXorBits ); if (hAndBits) DeleteObject( hAndBits ); GlobalUnlock16(HICON_16(hIcon)); SetTextColor( hdc, oldFg ); SetBkColor( hdc, oldBg ); return TRUE; } /*********************************************************************** * DumpIcon (USER.459) */ DWORD WINAPI DumpIcon16( SEGPTR pInfo, WORD *lpLen, SEGPTR *lpXorBits, SEGPTR *lpAndBits ) { CURSORICONINFO *info = MapSL( pInfo ); int sizeAnd, sizeXor; if (!info) return 0; sizeXor = info->nHeight * info->nWidthBytes; sizeAnd = info->nHeight * get_bitmap_width_bytes( info->nWidth, 1 ); if (lpAndBits) *lpAndBits = pInfo + sizeof(CURSORICONINFO); if (lpXorBits) *lpXorBits = pInfo + sizeof(CURSORICONINFO) + sizeAnd; if (lpLen) *lpLen = sizeof(CURSORICONINFO) + sizeAnd + sizeXor; return MAKELONG( sizeXor, sizeXor ); } /*********************************************************************** * SetCursor (USER32.@) * RETURNS: * A handle to the previous cursor shape. */ HCURSOR WINAPI SetCursor( HCURSOR hCursor /* [in] Handle of cursor to show */ ) { MESSAGEQUEUE *queue = QUEUE_Current(); HCURSOR hOldCursor; if (hCursor == queue->cursor) return hCursor; /* No change */ TRACE_(cursor)("%04x\n", hCursor ); hOldCursor = queue->cursor; queue->cursor = hCursor; /* Change the cursor shape only if it is visible */ if (queue->cursor_count >= 0) { USER_Driver.pSetCursor( (CURSORICONINFO*)GlobalLock16(HCURSOR_16(hCursor)) ); GlobalUnlock16(HCURSOR_16(hCursor)); } return hOldCursor; } /*********************************************************************** * ShowCursor (USER32.@) */ INT WINAPI ShowCursor( BOOL bShow ) { MESSAGEQUEUE *queue = QUEUE_Current(); TRACE_(cursor)("%d, count=%d\n", bShow, queue->cursor_count ); if (bShow) { if (++queue->cursor_count == 0) /* Show it */ { USER_Driver.pSetCursor((CURSORICONINFO*)GlobalLock16(HCURSOR_16(queue->cursor))); GlobalUnlock16(HCURSOR_16(queue->cursor)); } } else { if (--queue->cursor_count == -1) /* Hide it */ USER_Driver.pSetCursor( NULL ); } return queue->cursor_count; } /*********************************************************************** * GetCursor (USER32.@) */ HCURSOR WINAPI GetCursor(void) { return QUEUE_Current()->cursor; } /*********************************************************************** * ClipCursor (USER.16) */ BOOL16 WINAPI ClipCursor16( const RECT16 *rect ) { if (!rect) SetRectEmpty( &CURSOR_ClipRect ); else CONV_RECT16TO32( rect, &CURSOR_ClipRect ); return TRUE; } /*********************************************************************** * ClipCursor (USER32.@) */ BOOL WINAPI ClipCursor( const RECT *rect ) { if (!rect) SetRectEmpty( &CURSOR_ClipRect ); else CopyRect( &CURSOR_ClipRect, rect ); return TRUE; } /*********************************************************************** * GetClipCursor (USER.309) */ void WINAPI GetClipCursor16( RECT16 *rect ) { if (rect) CONV_RECT32TO16( &CURSOR_ClipRect, rect ); } /*********************************************************************** * GetClipCursor (USER32.@) */ BOOL WINAPI GetClipCursor( RECT *rect ) { if (rect) { CopyRect( rect, &CURSOR_ClipRect ); return TRUE; } return FALSE; } /********************************************************************** * LookupIconIdFromDirectoryEx (USER.364) * * FIXME: exact parameter sizes */ INT16 WINAPI LookupIconIdFromDirectoryEx16( LPBYTE xdir, BOOL16 bIcon, INT16 width, INT16 height, UINT16 cFlag ) { CURSORICONDIR *dir = (CURSORICONDIR*)xdir; UINT16 retVal = 0; if( dir && !dir->idReserved && (dir->idType & 3) ) { CURSORICONDIRENTRY* entry; HDC hdc; UINT palEnts; int colors; hdc = GetDC(0); palEnts = GetSystemPaletteEntries(hdc, 0, 0, NULL); if (palEnts == 0) palEnts = 256; colors = (cFlag & LR_MONOCHROME) ? 2 : palEnts; ReleaseDC(0, hdc); if( bIcon ) entry = CURSORICON_FindBestIcon( dir, width, height, colors ); else entry = CURSORICON_FindBestCursor( dir, width, height, 1); if( entry ) retVal = entry->wResId; } else WARN_(cursor)("invalid resource directory\n"); return retVal; } /********************************************************************** * LookupIconIdFromDirectoryEx (USER32.@) */ INT WINAPI LookupIconIdFromDirectoryEx( LPBYTE dir, BOOL bIcon, INT width, INT height, UINT cFlag ) { return LookupIconIdFromDirectoryEx16( dir, bIcon, width, height, cFlag ); } /********************************************************************** * LookupIconIdFromDirectory (USER.?) */ INT16 WINAPI LookupIconIdFromDirectory16( LPBYTE dir, BOOL16 bIcon ) { return LookupIconIdFromDirectoryEx16( dir, bIcon, bIcon ? GetSystemMetrics(SM_CXICON) : GetSystemMetrics(SM_CXCURSOR), bIcon ? GetSystemMetrics(SM_CYICON) : GetSystemMetrics(SM_CYCURSOR), bIcon ? 0 : LR_MONOCHROME ); } /********************************************************************** * LookupIconIdFromDirectory (USER32.@) */ INT WINAPI LookupIconIdFromDirectory( LPBYTE dir, BOOL bIcon ) { return LookupIconIdFromDirectoryEx( dir, bIcon, bIcon ? GetSystemMetrics(SM_CXICON) : GetSystemMetrics(SM_CXCURSOR), bIcon ? GetSystemMetrics(SM_CYICON) : GetSystemMetrics(SM_CYCURSOR), bIcon ? 0 : LR_MONOCHROME ); } /********************************************************************** * GetIconID (USER.455) */ WORD WINAPI GetIconID16( HGLOBAL16 hResource, DWORD resType ) { LPBYTE lpDir = (LPBYTE)GlobalLock16(hResource); TRACE_(cursor)("hRes=%04x, entries=%i\n", hResource, lpDir ? ((CURSORICONDIR*)lpDir)->idCount : 0); switch(resType) { case RT_CURSOR16: return (WORD)LookupIconIdFromDirectoryEx16( lpDir, FALSE, GetSystemMetrics(SM_CXCURSOR), GetSystemMetrics(SM_CYCURSOR), LR_MONOCHROME ); case RT_ICON16: return (WORD)LookupIconIdFromDirectoryEx16( lpDir, TRUE, GetSystemMetrics(SM_CXICON), GetSystemMetrics(SM_CYICON), 0 ); default: WARN_(cursor)("invalid res type %ld\n", resType ); } return 0; } /********************************************************************** * LoadCursorIconHandler (USER.336) * * Supposed to load resources of Windows 2.x applications. */ HGLOBAL16 WINAPI LoadCursorIconHandler16( HGLOBAL16 hResource, HMODULE16 hModule, HRSRC16 hRsrc ) { FIXME_(cursor)("(%04x,%04x,%04x): old 2.x resources are not supported!\n", hResource, hModule, hRsrc); return (HGLOBAL16)0; } /********************************************************************** * LoadDIBIconHandler (USER.357) * * RT_ICON resource loader, installed by USER_SignalProc when module * is initialized. */ HGLOBAL16 WINAPI LoadDIBIconHandler16( HGLOBAL16 hMemObj, HMODULE16 hModule, HRSRC16 hRsrc ) { /* If hResource is zero we must allocate a new memory block, if it's * non-zero but GlobalLock() returns NULL then it was discarded and * we have to recommit some memory, otherwise we just need to check * the block size. See LoadProc() in 16-bit SDK for more. */ hMemObj = NE_DefResourceHandler( hMemObj, hModule, hRsrc ); if( hMemObj ) { LPBYTE bits = (LPBYTE)GlobalLock16( hMemObj ); hMemObj = HICON_16(CURSORICON_CreateFromResource( HMODULE_32(hModule), HICON_32(hMemObj), bits, SizeofResource16(hModule, hRsrc), TRUE, 0x00030000, GetSystemMetrics(SM_CXICON), GetSystemMetrics(SM_CYICON), LR_DEFAULTCOLOR)); } return hMemObj; } /********************************************************************** * LoadDIBCursorHandler (USER.356) * * RT_CURSOR resource loader. Same as above. */ HGLOBAL16 WINAPI LoadDIBCursorHandler16( HGLOBAL16 hMemObj, HMODULE16 hModule, HRSRC16 hRsrc ) { hMemObj = NE_DefResourceHandler( hMemObj, hModule, hRsrc ); if( hMemObj ) { LPBYTE bits = (LPBYTE)GlobalLock16( hMemObj ); hMemObj = HICON_16(CURSORICON_CreateFromResource( HMODULE_32(hModule), HICON_32(hMemObj), bits, SizeofResource16(hModule, hRsrc), FALSE, 0x00030000, GetSystemMetrics(SM_CXCURSOR), GetSystemMetrics(SM_CYCURSOR), LR_MONOCHROME)); } return hMemObj; } /********************************************************************** * LoadIconHandler (USER.456) */ HICON16 WINAPI LoadIconHandler16( HGLOBAL16 hResource, BOOL16 bNew ) { LPBYTE bits = (LPBYTE)LockResource16( hResource ); TRACE_(cursor)("hRes=%04x\n",hResource); return HICON_16(CURSORICON_CreateFromResource(0, 0, bits, 0, TRUE, bNew ? 0x00030000 : 0x00020000, 0, 0, LR_DEFAULTCOLOR)); } /*********************************************************************** * LoadCursorW (USER32.@) */ HCURSOR WINAPI LoadCursorW(HINSTANCE hInstance, LPCWSTR name) { return LoadImageW( hInstance, name, IMAGE_CURSOR, 0, 0, LR_SHARED | LR_DEFAULTSIZE ); } /*********************************************************************** * LoadCursorA (USER32.@) */ HCURSOR WINAPI LoadCursorA(HINSTANCE hInstance, LPCSTR name) { return LoadImageA( hInstance, name, IMAGE_CURSOR, 0, 0, LR_SHARED | LR_DEFAULTSIZE ); } /*********************************************************************** * LoadCursorFromFileW (USER32.@) */ HCURSOR WINAPI LoadCursorFromFileW (LPCWSTR name) { return LoadImageW( 0, name, IMAGE_CURSOR, 0, 0, LR_LOADFROMFILE | LR_DEFAULTSIZE ); } /*********************************************************************** * LoadCursorFromFileA (USER32.@) */ HCURSOR WINAPI LoadCursorFromFileA (LPCSTR name) { return LoadImageA( 0, name, IMAGE_CURSOR, 0, 0, LR_LOADFROMFILE | LR_DEFAULTSIZE ); } /*********************************************************************** * LoadIconW (USER32.@) */ HICON WINAPI LoadIconW(HINSTANCE hInstance, LPCWSTR name) { return LoadImageW( hInstance, name, IMAGE_ICON, 0, 0, LR_SHARED | LR_DEFAULTSIZE ); } /*********************************************************************** * LoadIconA (USER32.@) */ HICON WINAPI LoadIconA(HINSTANCE hInstance, LPCSTR name) { return LoadImageA( hInstance, name, IMAGE_ICON, 0, 0, LR_SHARED | LR_DEFAULTSIZE ); } /********************************************************************** * GetIconInfo (USER32.@) */ BOOL WINAPI GetIconInfo(HICON hIcon,PICONINFO iconinfo) { CURSORICONINFO *ciconinfo; ciconinfo = GlobalLock16(HICON_16(hIcon)); if (!ciconinfo) return FALSE; if ( (ciconinfo->ptHotSpot.x == ICON_HOTSPOT) && (ciconinfo->ptHotSpot.y == ICON_HOTSPOT) ) { iconinfo->fIcon = TRUE; iconinfo->xHotspot = ciconinfo->nWidth / 2; iconinfo->yHotspot = ciconinfo->nHeight / 2; } else { iconinfo->fIcon = FALSE; iconinfo->xHotspot = ciconinfo->ptHotSpot.x; iconinfo->yHotspot = ciconinfo->ptHotSpot.y; } iconinfo->hbmColor = CreateBitmap ( ciconinfo->nWidth, ciconinfo->nHeight, ciconinfo->bPlanes, ciconinfo->bBitsPerPixel, (char *)(ciconinfo + 1) + ciconinfo->nHeight * get_bitmap_width_bytes (ciconinfo->nWidth,1) ); iconinfo->hbmMask = CreateBitmap ( ciconinfo->nWidth, ciconinfo->nHeight, 1, 1, (char *)(ciconinfo + 1)); GlobalUnlock16(HICON_16(hIcon)); return TRUE; } /********************************************************************** * CreateIconIndirect (USER32.@) */ HICON WINAPI CreateIconIndirect(PICONINFO iconinfo) { BITMAP bmpXor,bmpAnd; HICON16 hObj; int sizeXor,sizeAnd; GetObjectA( iconinfo->hbmColor, sizeof(bmpXor), &bmpXor ); GetObjectA( iconinfo->hbmMask, sizeof(bmpAnd), &bmpAnd ); sizeXor = bmpXor.bmHeight * bmpXor.bmWidthBytes; sizeAnd = bmpAnd.bmHeight * bmpAnd.bmWidthBytes; hObj = GlobalAlloc16( GMEM_MOVEABLE, sizeof(CURSORICONINFO) + sizeXor + sizeAnd ); if (hObj) { CURSORICONINFO *info; info = (CURSORICONINFO *)GlobalLock16( hObj ); /* If we are creating an icon, the hotspot is unused */ if (iconinfo->fIcon) { info->ptHotSpot.x = ICON_HOTSPOT; info->ptHotSpot.y = ICON_HOTSPOT; } else { info->ptHotSpot.x = iconinfo->xHotspot; info->ptHotSpot.y = iconinfo->yHotspot; } info->nWidth = bmpXor.bmWidth; info->nHeight = bmpXor.bmHeight; info->nWidthBytes = bmpXor.bmWidthBytes; info->bPlanes = bmpXor.bmPlanes; info->bBitsPerPixel = bmpXor.bmBitsPixel; /* Transfer the bitmap bits to the CURSORICONINFO structure */ GetBitmapBits( iconinfo->hbmMask ,sizeAnd,(char*)(info + 1) ); GetBitmapBits( iconinfo->hbmColor,sizeXor,(char*)(info + 1) +sizeAnd); GlobalUnlock16( hObj ); } return HICON_32(hObj); } /****************************************************************************** * DrawIconEx (USER32.@) Draws an icon or cursor on device context * * NOTES * Why is this using SM_CXICON instead of SM_CXCURSOR? * * PARAMS * hdc [I] Handle to device context * x0 [I] X coordinate of upper left corner * y0 [I] Y coordinate of upper left corner * hIcon [I] Handle to icon to draw * cxWidth [I] Width of icon * cyWidth [I] Height of icon * istep [I] Index of frame in animated cursor * hbr [I] Handle to background brush * flags [I] Icon-drawing flags * * RETURNS * Success: TRUE * Failure: FALSE */ BOOL WINAPI DrawIconEx( HDC hdc, INT x0, INT y0, HICON hIcon, INT cxWidth, INT cyWidth, UINT istep, HBRUSH hbr, UINT flags ) { CURSORICONINFO *ptr = (CURSORICONINFO *)GlobalLock16(HICON_16(hIcon)); HDC hDC_off = 0, hMemDC = CreateCompatibleDC (hdc); BOOL result = FALSE, DoOffscreen; HBITMAP hB_off = 0, hOld = 0; if (!ptr) return FALSE; TRACE_(icon)("(hdc=%x,pos=%d.%d,hicon=%x,extend=%d.%d,istep=%d,br=%x,flags=0x%08x)\n", hdc,x0,y0,hIcon,cxWidth,cyWidth,istep,hbr,flags ); if (istep) FIXME_(icon)("Ignoring istep=%d\n", istep); if (flags & DI_COMPAT) FIXME_(icon)("Ignoring flag DI_COMPAT\n"); if (!flags) { FIXME_(icon)("no flags set? setting to DI_NORMAL\n"); flags = DI_NORMAL; } /* Calculate the size of the destination image. */ if (cxWidth == 0) { if (flags & DI_DEFAULTSIZE) cxWidth = GetSystemMetrics (SM_CXICON); else cxWidth = ptr->nWidth; } if (cyWidth == 0) { if (flags & DI_DEFAULTSIZE) cyWidth = GetSystemMetrics (SM_CYICON); else cyWidth = ptr->nHeight; } DoOffscreen = (GetObjectType( hbr ) == OBJ_BRUSH); if (DoOffscreen) { RECT r; r.left = 0; r.top = 0; r.right = cxWidth; r.bottom = cxWidth; hDC_off = CreateCompatibleDC(hdc); hB_off = CreateCompatibleBitmap(hdc, cxWidth, cyWidth); if (hDC_off && hB_off) { hOld = SelectObject(hDC_off, hB_off); FillRect(hDC_off, &r, hbr); } } if (hMemDC && (!DoOffscreen || (hDC_off && hB_off))) { HBITMAP hXorBits, hAndBits; COLORREF oldFg, oldBg; INT nStretchMode; nStretchMode = SetStretchBltMode (hdc, STRETCH_DELETESCANS); hXorBits = CreateBitmap ( ptr->nWidth, ptr->nHeight, ptr->bPlanes, ptr->bBitsPerPixel, (char *)(ptr + 1) + ptr->nHeight * get_bitmap_width_bytes(ptr->nWidth,1) ); hAndBits = CreateBitmap ( ptr->nWidth, ptr->nHeight, 1, 1, (char *)(ptr+1) ); oldFg = SetTextColor( hdc, RGB(0,0,0) ); oldBg = SetBkColor( hdc, RGB(255,255,255) ); if (hXorBits && hAndBits) { HBITMAP hBitTemp = SelectObject( hMemDC, hAndBits ); if (flags & DI_MASK) { if (DoOffscreen) StretchBlt (hDC_off, 0, 0, cxWidth, cyWidth, hMemDC, 0, 0, ptr->nWidth, ptr->nHeight, SRCAND); else StretchBlt (hdc, x0, y0, cxWidth, cyWidth, hMemDC, 0, 0, ptr->nWidth, ptr->nHeight, SRCAND); } SelectObject( hMemDC, hXorBits ); if (flags & DI_IMAGE) { if (DoOffscreen) StretchBlt (hDC_off, 0, 0, cxWidth, cyWidth, hMemDC, 0, 0, ptr->nWidth, ptr->nHeight, SRCPAINT); else StretchBlt (hdc, x0, y0, cxWidth, cyWidth, hMemDC, 0, 0, ptr->nWidth, ptr->nHeight, SRCPAINT); } SelectObject( hMemDC, hBitTemp ); result = TRUE; } SetTextColor( hdc, oldFg ); SetBkColor( hdc, oldBg ); if (hXorBits) DeleteObject( hXorBits ); if (hAndBits) DeleteObject( hAndBits ); SetStretchBltMode (hdc, nStretchMode); if (DoOffscreen) { BitBlt(hdc, x0, y0, cxWidth, cyWidth, hDC_off, 0, 0, SRCCOPY); SelectObject(hDC_off, hOld); } } if (hMemDC) DeleteDC( hMemDC ); if (hDC_off) DeleteDC(hDC_off); if (hB_off) DeleteObject(hB_off); GlobalUnlock16(HICON_16(hIcon)); return result; } /*********************************************************************** * DIB_FixColorsToLoadflags * * Change color table entries when LR_LOADTRANSPARENT or LR_LOADMAP3DCOLORS * are in loadflags */ static void DIB_FixColorsToLoadflags(BITMAPINFO * bmi, UINT loadflags, BYTE pix) { int colors; COLORREF c_W, c_S, c_F, c_L, c_C; int incr,i; RGBQUAD *ptr; if (bmi->bmiHeader.biBitCount > 8) return; if (bmi->bmiHeader.biSize == sizeof(BITMAPINFOHEADER)) incr = 4; else if (bmi->bmiHeader.biSize == sizeof(BITMAPCOREHEADER)) incr = 3; else { WARN_(resource)("Wrong bitmap header size!\n"); return; } colors = bmi->bmiHeader.biClrUsed; if (!colors && (bmi->bmiHeader.biBitCount <= 8)) colors = 1 << bmi->bmiHeader.biBitCount; c_W = GetSysColor(COLOR_WINDOW); c_S = GetSysColor(COLOR_3DSHADOW); c_F = GetSysColor(COLOR_3DFACE); c_L = GetSysColor(COLOR_3DLIGHT); if (loadflags & LR_LOADTRANSPARENT) { switch (bmi->bmiHeader.biBitCount) { case 1: pix = pix >> 7; break; case 4: pix = pix >> 4; break; case 8: break; default: WARN_(resource)("(%d): Unsupported depth\n", bmi->bmiHeader.biBitCount); return; } if (pix >= colors) { WARN_(resource)("pixel has color index greater than biClrUsed!\n"); return; } if (loadflags & LR_LOADMAP3DCOLORS) c_W = c_F; ptr = (RGBQUAD*)((char*)bmi->bmiColors+pix*incr); ptr->rgbBlue = GetBValue(c_W); ptr->rgbGreen = GetGValue(c_W); ptr->rgbRed = GetRValue(c_W); } if (loadflags & LR_LOADMAP3DCOLORS) for (i=0; ibmiColors+i*incr); c_C = RGB(ptr->rgbRed, ptr->rgbGreen, ptr->rgbBlue); if (c_C == RGB(128, 128, 128)) { ptr->rgbRed = GetRValue(c_S); ptr->rgbGreen = GetGValue(c_S); ptr->rgbBlue = GetBValue(c_S); } else if (c_C == RGB(192, 192, 192)) { ptr->rgbRed = GetRValue(c_F); ptr->rgbGreen = GetGValue(c_F); ptr->rgbBlue = GetBValue(c_F); } else if (c_C == RGB(223, 223, 223)) { ptr->rgbRed = GetRValue(c_L); ptr->rgbGreen = GetGValue(c_L); ptr->rgbBlue = GetBValue(c_L); } } } /********************************************************************** * BITMAP_Load */ static HBITMAP BITMAP_Load( HINSTANCE instance,LPCWSTR name, UINT loadflags ) { HBITMAP hbitmap = 0; HRSRC hRsrc; HGLOBAL handle; char *ptr = NULL; BITMAPINFO *info, *fix_info=NULL; HGLOBAL hFix; int size; if (!(loadflags & LR_LOADFROMFILE)) { if (!instance) { /* OEM bitmap: try to load the resource from user32.dll */ if (HIWORD(name)) return 0; if (!(instance = GetModuleHandleA("user32.dll"))) return 0; } if (!(hRsrc = FindResourceW( instance, name, RT_BITMAPW ))) return 0; if (!(handle = LoadResource( instance, hRsrc ))) return 0; if ((info = (BITMAPINFO *)LockResource( handle )) == NULL) return 0; } else { if (!(ptr = map_fileW( name ))) return 0; info = (BITMAPINFO *)(ptr + sizeof(BITMAPFILEHEADER)); } size = DIB_BitmapInfoSize(info, DIB_RGB_COLORS); if ((hFix = GlobalAlloc(0, size))) fix_info=GlobalLock(hFix); if (fix_info) { BYTE pix; memcpy(fix_info, info, size); pix = *((LPBYTE)info+DIB_BitmapInfoSize(info, DIB_RGB_COLORS)); DIB_FixColorsToLoadflags(fix_info, loadflags, pix); if (!screen_dc) screen_dc = CreateDCA( "DISPLAY", NULL, NULL, NULL ); if (screen_dc) { char *bits = (char *)info + size; if (loadflags & LR_CREATEDIBSECTION) { DIBSECTION dib; hbitmap = CreateDIBSection(screen_dc, fix_info, DIB_RGB_COLORS, NULL, 0, 0); GetObjectA(hbitmap, sizeof(DIBSECTION), &dib); SetDIBits(screen_dc, hbitmap, 0, dib.dsBm.bmHeight, bits, info, DIB_RGB_COLORS); } else { hbitmap = CreateDIBitmap( screen_dc, &fix_info->bmiHeader, CBM_INIT, bits, fix_info, DIB_RGB_COLORS ); } } GlobalUnlock(hFix); GlobalFree(hFix); } if (loadflags & LR_LOADFROMFILE) UnmapViewOfFile( ptr ); return hbitmap; } /********************************************************************** * LoadImageA (USER32.@) * * FIXME: implementation lacks some features, see LR_ defines in winuser.h */ /* filter for page-fault exceptions */ static WINE_EXCEPTION_FILTER(page_fault) { if (GetExceptionCode() == EXCEPTION_ACCESS_VIOLATION) return EXCEPTION_EXECUTE_HANDLER; return EXCEPTION_CONTINUE_SEARCH; } /*********************************************************************/ HANDLE WINAPI LoadImageA( HINSTANCE hinst, LPCSTR name, UINT type, INT desiredx, INT desiredy, UINT loadflags) { HANDLE res; LPWSTR u_name; if (!HIWORD(name)) return LoadImageW(hinst, (LPWSTR)name, type, desiredx, desiredy, loadflags); __TRY { DWORD len = MultiByteToWideChar( CP_ACP, 0, name, -1, NULL, 0 ); u_name = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) ); MultiByteToWideChar( CP_ACP, 0, name, -1, u_name, len ); } __EXCEPT(page_fault) { SetLastError( ERROR_INVALID_PARAMETER ); return 0; } __ENDTRY res = LoadImageW(hinst, u_name, type, desiredx, desiredy, loadflags); HeapFree(GetProcessHeap(), 0, u_name); return res; } /****************************************************************************** * LoadImageW (USER32.@) Loads an icon, cursor, or bitmap * * PARAMS * hinst [I] Handle of instance that contains image * name [I] Name of image * type [I] Type of image * desiredx [I] Desired width * desiredy [I] Desired height * loadflags [I] Load flags * * RETURNS * Success: Handle to newly loaded image * Failure: NULL * * FIXME: Implementation lacks some features, see LR_ defines in winuser.h */ HANDLE WINAPI LoadImageW( HINSTANCE hinst, LPCWSTR name, UINT type, INT desiredx, INT desiredy, UINT loadflags ) { if (HIWORD(name)) { TRACE_(resource)("(0x%04x,%p,%d,%d,%d,0x%08x)\n", hinst,name,type,desiredx,desiredy,loadflags); } else { TRACE_(resource)("(0x%04x,%p,%d,%d,%d,0x%08x)\n", hinst,name,type,desiredx,desiredy,loadflags); } if (loadflags & LR_DEFAULTSIZE) { if (type == IMAGE_ICON) { if (!desiredx) desiredx = GetSystemMetrics(SM_CXICON); if (!desiredy) desiredy = GetSystemMetrics(SM_CYICON); } else if (type == IMAGE_CURSOR) { if (!desiredx) desiredx = GetSystemMetrics(SM_CXCURSOR); if (!desiredy) desiredy = GetSystemMetrics(SM_CYCURSOR); } } if (loadflags & LR_LOADFROMFILE) loadflags &= ~LR_SHARED; switch (type) { case IMAGE_BITMAP: return BITMAP_Load( hinst, name, loadflags ); case IMAGE_ICON: if (!screen_dc) screen_dc = CreateDCA( "DISPLAY", NULL, NULL, NULL ); if (screen_dc) { UINT palEnts = GetSystemPaletteEntries(screen_dc, 0, 0, NULL); if (palEnts == 0) palEnts = 256; return CURSORICON_Load(hinst, name, desiredx, desiredy, palEnts, FALSE, loadflags); } break; case IMAGE_CURSOR: return CURSORICON_Load(hinst, name, desiredx, desiredy, 1, TRUE, loadflags); } return 0; } /****************************************************************************** * CopyImage (USER32.@) Creates new image and copies attributes to it * * PARAMS * hnd [I] Handle to image to copy * type [I] Type of image to copy * desiredx [I] Desired width of new image * desiredy [I] Desired height of new image * flags [I] Copy flags * * RETURNS * Success: Handle to newly created image * Failure: NULL * * FIXME: implementation still lacks nearly all features, see LR_* * defines in winuser.h */ HICON WINAPI CopyImage( HANDLE hnd, UINT type, INT desiredx, INT desiredy, UINT flags ) { switch (type) { case IMAGE_BITMAP: { HBITMAP res; BITMAP bm; if (!GetObjectW( hnd, sizeof(bm), &bm )) return 0; bm.bmBits = NULL; if ((res = CreateBitmapIndirect(&bm))) { char *buf = HeapAlloc( GetProcessHeap(), 0, bm.bmWidthBytes * bm.bmHeight ); GetBitmapBits( hnd, bm.bmWidthBytes * bm.bmHeight, buf ); SetBitmapBits( res, bm.bmWidthBytes * bm.bmHeight, buf ); HeapFree( GetProcessHeap(), 0, buf ); } return (HICON)res; } case IMAGE_ICON: return CURSORICON_ExtCopy(hnd,type, desiredx, desiredy, flags); case IMAGE_CURSOR: /* Should call CURSORICON_ExtCopy but more testing * needs to be done before we change this */ return CopyCursor(hnd); } return 0; } /****************************************************************************** * LoadBitmapW (USER32.@) Loads bitmap from the executable file * * RETURNS * Success: Handle to specified bitmap * Failure: NULL */ HBITMAP WINAPI LoadBitmapW( HINSTANCE instance, /* [in] Handle to application instance */ LPCWSTR name) /* [in] Address of bitmap resource name */ { return LoadImageW( instance, name, IMAGE_BITMAP, 0, 0, 0 ); } /********************************************************************** * LoadBitmapA (USER32.@) */ HBITMAP WINAPI LoadBitmapA( HINSTANCE instance, LPCSTR name ) { return LoadImageA( instance, name, IMAGE_BITMAP, 0, 0, 0 ); }