| /* |
| * Desktop window class. |
| * |
| * Copyright 1994 Alexandre Julliard |
| */ |
| |
| #include <fcntl.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <unistd.h> |
| #include "win.h" |
| #include "desktop.h" |
| #include "directory.h" |
| #include "dos_fs.h" |
| #include "graphics.h" |
| |
| |
| /*********************************************************************** |
| * DESKTOP_LoadBitmap |
| * |
| * Load a bitmap from a file. Used by SetDeskWallPaper(). |
| */ |
| static HBITMAP DESKTOP_LoadBitmap( HDC hdc, const char *filename ) |
| { |
| BITMAPFILEHEADER *fileHeader; |
| BITMAPINFO *bitmapInfo; |
| HBITMAP hbitmap; |
| char *buffer; |
| const char *unixFileName; |
| int file; |
| long size; |
| |
| /* Read all the file into memory */ |
| |
| if (!(unixFileName = DOSFS_GetUnixFileName( filename, TRUE ))) |
| { |
| int len = DIR_GetWindowsUnixDir( NULL, 0 ); |
| if (!(buffer = malloc( len + strlen(filename) + 2 ))) return 0; |
| DIR_GetWindowsUnixDir( buffer, len + 1 ); |
| strcat( buffer, "/" ); |
| strcat( buffer, filename ); |
| unixFileName = DOSFS_GetUnixFileName( buffer, TRUE ); |
| free( buffer ); |
| if (!unixFileName) return 0; |
| } |
| if ((file = open( unixFileName, O_RDONLY )) == -1) return 0; |
| size = lseek( file, 0, SEEK_END ); |
| if (!(buffer = (char *)malloc( size ))) |
| { |
| close( file ); |
| return 0; |
| } |
| lseek( file, 0, SEEK_SET ); |
| size = read( file, buffer, size ); |
| close( file ); |
| fileHeader = (BITMAPFILEHEADER *)buffer; |
| bitmapInfo = (BITMAPINFO *)(buffer + sizeof(BITMAPFILEHEADER)); |
| |
| /* Check header content */ |
| if ((fileHeader->bfType != 0x4d42) || (size < fileHeader->bfSize)) |
| { |
| free( buffer ); |
| return 0; |
| } |
| hbitmap = CreateDIBitmap( hdc, &bitmapInfo->bmiHeader, CBM_INIT, |
| buffer + fileHeader->bfOffBits, |
| bitmapInfo, DIB_RGB_COLORS ); |
| free( buffer ); |
| return hbitmap; |
| } |
| |
| |
| /*********************************************************************** |
| * DESKTOP_DoEraseBkgnd |
| * |
| * Handle the WM_ERASEBKGND message. |
| */ |
| static LONG DESKTOP_DoEraseBkgnd( HWND hwnd, HDC hdc, DESKTOPINFO *infoPtr ) |
| { |
| RECT16 rect; |
| GetClientRect16( hwnd, &rect ); |
| |
| /* Paint desktop pattern (only if wall paper does not cover everything) */ |
| |
| if (!infoPtr->hbitmapWallPaper || |
| (!infoPtr->fTileWallPaper && ((infoPtr->bitmapSize.cx < rect.right) || |
| (infoPtr->bitmapSize.cy < rect.bottom)))) |
| { |
| /* Set colors in case pattern is a monochrome bitmap */ |
| SetBkColor( hdc, RGB(0,0,0) ); |
| SetTextColor( hdc, GetSysColor(COLOR_BACKGROUND) ); |
| FillRect16( hdc, &rect, infoPtr->hbrushPattern ); |
| } |
| |
| /* Paint wall paper */ |
| |
| if (infoPtr->hbitmapWallPaper) |
| { |
| int x, y; |
| |
| if (infoPtr->fTileWallPaper) |
| { |
| for (y = 0; y < rect.bottom; y += infoPtr->bitmapSize.cy) |
| for (x = 0; x < rect.right; x += infoPtr->bitmapSize.cx) |
| GRAPH_DrawBitmap( hdc, infoPtr->hbitmapWallPaper, |
| x, y, 0, 0, |
| infoPtr->bitmapSize.cx, |
| infoPtr->bitmapSize.cy ); |
| } |
| else |
| { |
| x = (rect.left + rect.right - infoPtr->bitmapSize.cx) / 2; |
| y = (rect.top + rect.bottom - infoPtr->bitmapSize.cy) / 2; |
| if (x < 0) x = 0; |
| if (y < 0) y = 0; |
| GRAPH_DrawBitmap( hdc, infoPtr->hbitmapWallPaper, x, y, 0, 0, |
| infoPtr->bitmapSize.cx, infoPtr->bitmapSize.cy ); |
| } |
| } |
| |
| return 1; |
| } |
| |
| |
| /*********************************************************************** |
| * DesktopWndProc |
| * |
| * Window procedure for the desktop window. |
| */ |
| LRESULT DesktopWndProc( HWND32 hwnd, UINT32 message, |
| WPARAM32 wParam, LPARAM lParam ) |
| { |
| WND *wndPtr = WIN_FindWndPtr( hwnd ); |
| DESKTOPINFO *infoPtr = (DESKTOPINFO *)wndPtr->wExtra; |
| |
| /* Most messages are ignored (we DON'T call DefWindowProc) */ |
| |
| switch(message) |
| { |
| /* Warning: this message is sent directly by */ |
| /* WIN_CreateDesktopWindow() and does not contain a valid lParam */ |
| case WM_NCCREATE: |
| infoPtr->hbrushPattern = 0; |
| infoPtr->hbitmapWallPaper = 0; |
| SetDeskPattern(); |
| SetDeskWallPaper( (LPSTR)-1 ); |
| break; |
| |
| case WM_ERASEBKGND: |
| if (rootWindow == DefaultRootWindow(display)) return 1; |
| return DESKTOP_DoEraseBkgnd( hwnd, (HDC)wParam, infoPtr ); |
| |
| case WM_SYSCOMMAND: |
| if ((wParam & 0xfff0) != SC_CLOSE) return 0; |
| ExitWindows( 0, 0 ); |
| |
| case WM_SETCURSOR: |
| return (LRESULT)SetCursor( LoadCursor( 0, IDC_ARROW ) ); |
| } |
| |
| return 0; |
| } |
| |
| |
| /*********************************************************************** |
| * SetDeskPattern (USER.279) |
| */ |
| BOOL SetDeskPattern(void) |
| { |
| char buffer[100]; |
| GetProfileString( "desktop", "Pattern", "(None)", buffer, 100 ); |
| return DESKTOP_SetPattern( buffer ); |
| } |
| |
| |
| /*********************************************************************** |
| * SetDeskWallPaper (USER.285) |
| */ |
| BOOL SetDeskWallPaper( LPCSTR filename ) |
| { |
| HBITMAP hbitmap; |
| HDC hdc; |
| char buffer[256]; |
| WND *wndPtr = WIN_FindWndPtr( GetDesktopWindow() ); |
| DESKTOPINFO *infoPtr = (DESKTOPINFO *)wndPtr->wExtra; |
| |
| if (filename == (LPSTR)-1) |
| { |
| GetProfileString( "desktop", "WallPaper", "(None)", buffer, 256 ); |
| filename = buffer; |
| } |
| hdc = GetDC( 0 ); |
| hbitmap = DESKTOP_LoadBitmap( hdc, filename ); |
| ReleaseDC( 0, hdc ); |
| if (infoPtr->hbitmapWallPaper) DeleteObject( infoPtr->hbitmapWallPaper ); |
| infoPtr->hbitmapWallPaper = hbitmap; |
| infoPtr->fTileWallPaper = GetProfileInt( "desktop", "TileWallPaper", 0 ); |
| if (hbitmap) |
| { |
| BITMAP16 bmp; |
| GetObject16( hbitmap, sizeof(bmp), &bmp ); |
| infoPtr->bitmapSize.cx = (bmp.bmWidth != 0) ? bmp.bmWidth : 1; |
| infoPtr->bitmapSize.cy = (bmp.bmHeight != 0) ? bmp.bmHeight : 1; |
| } |
| return TRUE; |
| } |
| |
| |
| /*********************************************************************** |
| * DESKTOP_SetPattern |
| * |
| * Set the desktop pattern. |
| */ |
| BOOL DESKTOP_SetPattern(char *pattern ) |
| { |
| WND *wndPtr = WIN_FindWndPtr( GetDesktopWindow() ); |
| DESKTOPINFO *infoPtr = (DESKTOPINFO *)wndPtr->wExtra; |
| int pat[8]; |
| |
| if (infoPtr->hbrushPattern) DeleteObject( infoPtr->hbrushPattern ); |
| memset( pat, 0, sizeof(pat) ); |
| if (pattern && sscanf( pattern, " %d %d %d %d %d %d %d %d", |
| &pat[0], &pat[1], &pat[2], &pat[3], |
| &pat[4], &pat[5], &pat[6], &pat[7] )) |
| { |
| WORD pattern[8]; |
| HBITMAP hbitmap; |
| int i; |
| |
| for (i = 0; i < 8; i++) pattern[i] = pat[i] & 0xffff; |
| hbitmap = CreateBitmap( 8, 8, 1, 1, (LPSTR)pattern ); |
| infoPtr->hbrushPattern = CreatePatternBrush( hbitmap ); |
| DeleteObject( hbitmap ); |
| } |
| else infoPtr->hbrushPattern = CreateSolidBrush( GetSysColor(COLOR_BACKGROUND) ); |
| return TRUE; |
| } |
| |