Mercurial > sdl-ios-xcode
annotate src/video/wincommon/SDL_syswm.c @ 3991:7a649501c089 SDL-1.2
Fixed assembly relocation problems, so we can check for NASM on Mac OS X.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Mon, 02 Jul 2007 02:45:52 +0000 |
| parents | d13618a935a2 |
| children | cbe2f23a1c2b |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
|
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3 Copyright (C) 1997-2006 Sam Lantinga |
| 0 | 4 |
| 5 This library is free software; you can redistribute it and/or | |
|
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6 modify it under the terms of the GNU Lesser General Public |
| 0 | 7 License as published by the Free Software Foundation; either |
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8 version 2.1 of the License, or (at your option) any later version. |
| 0 | 9 |
| 10 This library is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
|
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13 Lesser General Public License for more details. |
| 0 | 14 |
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15 You should have received a copy of the GNU Lesser General Public |
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16 License along with this library; if not, write to the Free Software |
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 0 | 18 |
| 19 Sam Lantinga | |
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20 slouken@libsdl.org |
| 0 | 21 */ |
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22 #include "SDL_config.h" |
| 0 | 23 |
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24 #define WIN32_LEAN_AND_MEAN |
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25 #include <windows.h> |
| 0 | 26 |
| 27 #include "SDL_version.h" | |
| 28 #include "SDL_video.h" | |
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29 #include "SDL_loadso.h" |
| 0 | 30 #include "SDL_syswm.h" |
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31 #include "../SDL_pixels_c.h" |
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32 #include "../SDL_cursor_c.h" |
| 0 | 33 #include "SDL_syswm_c.h" |
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34 #include "SDL_wingl_c.h" |
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35 |
| 0 | 36 |
| 37 #ifdef _WIN32_WCE | |
| 38 #define DISABLE_ICON_SUPPORT | |
| 39 #endif | |
| 40 | |
| 41 /* The screen icon -- needs to be freed on SDL_VideoQuit() */ | |
| 42 HICON screen_icn = NULL; | |
| 43 | |
| 44 /* Win32 icon mask semantics are different from those of SDL: | |
| 45 SDL applies the mask to the icon and copies result to desktop. | |
| 46 Win32 applies the mask to the desktop and XORs the icon on. | |
| 47 This means that the SDL mask needs to be applied to the icon and | |
| 48 then inverted and passed to Win32. | |
| 49 */ | |
| 50 void WIN_SetWMIcon(_THIS, SDL_Surface *icon, Uint8 *mask) | |
| 51 { | |
| 52 #ifdef DISABLE_ICON_SUPPORT | |
| 53 return; | |
| 54 #else | |
| 55 SDL_Palette *pal_256; | |
| 56 SDL_Surface *icon_256; | |
| 57 Uint8 *pdata, *pwin32; | |
| 58 Uint8 *mdata, *mwin32, m = 0; | |
| 59 int icon_len; | |
| 60 int icon_plen; | |
| 61 int icon_mlen; | |
| 62 int icon_pitch; | |
| 63 int mask_pitch; | |
| 64 SDL_Rect bounds; | |
| 65 int i, skip; | |
| 66 int row, col; | |
| 67 struct /* quasi-BMP format */ Win32Icon { | |
| 68 Uint32 biSize; | |
| 69 Sint32 biWidth; | |
| 70 Sint32 biHeight; | |
| 71 Uint16 biPlanes; | |
| 72 Uint16 biBitCount; | |
| 73 Uint32 biCompression; | |
| 74 Uint32 biSizeImage; | |
| 75 Sint32 biXPelsPerMeter; | |
| 76 Sint32 biYPelsPerMeter; | |
| 77 Uint32 biClrUsed; | |
| 78 Uint32 biClrImportant; | |
| 79 struct /* RGBQUAD -- note it's BGR ordered */ { | |
| 80 Uint8 rgbBlue; | |
| 81 Uint8 rgbGreen; | |
| 82 Uint8 rgbRed; | |
| 83 Uint8 rgbReserved; | |
| 84 } biColors[256]; | |
| 85 /* Pixels: | |
| 86 Uint8 pixels[] | |
| 87 */ | |
| 88 /* Mask: | |
| 89 Uint8 mask[] | |
| 90 */ | |
| 91 } *icon_win32; | |
| 92 | |
| 93 /* Allocate the win32 bmp icon and set everything to zero */ | |
| 94 icon_pitch = ((icon->w+3)&~3); | |
| 95 mask_pitch = ((icon->w+7)/8); | |
| 96 icon_plen = icon->h*icon_pitch; | |
| 97 icon_mlen = icon->h*mask_pitch; | |
| 98 icon_len = sizeof(*icon_win32)+icon_plen+icon_mlen; | |
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99 icon_win32 = (struct Win32Icon *)SDL_stack_alloc(Uint8, icon_len); |
| 0 | 100 if ( icon_win32 == NULL ) { |
| 101 return; | |
| 102 } | |
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103 SDL_memset(icon_win32, 0, icon_len); |
| 0 | 104 |
| 105 /* Set the basic BMP parameters */ | |
| 106 icon_win32->biSize = sizeof(*icon_win32)-sizeof(icon_win32->biColors); | |
| 107 icon_win32->biWidth = icon->w; | |
| 108 icon_win32->biHeight = icon->h*2; | |
| 109 icon_win32->biPlanes = 1; | |
| 110 icon_win32->biBitCount = 8; | |
| 111 icon_win32->biSizeImage = icon_plen+icon_mlen; | |
| 112 | |
| 113 /* Allocate a standard 256 color icon surface */ | |
| 114 icon_256 = SDL_CreateRGBSurface(SDL_SWSURFACE, icon->w, icon->h, | |
| 115 icon_win32->biBitCount, 0, 0, 0, 0); | |
| 116 if ( icon_256 == NULL ) { | |
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117 SDL_stack_free(icon_win32); |
| 0 | 118 return; |
| 119 } | |
| 120 pal_256 = icon_256->format->palette; | |
| 121 if (icon->format->palette && | |
| 122 (icon->format->BitsPerPixel == icon_256->format->BitsPerPixel)){ | |
| 123 Uint8 black; | |
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124 SDL_memcpy(pal_256->colors, icon->format->palette->colors, |
| 0 | 125 pal_256->ncolors*sizeof(SDL_Color)); |
| 126 /* Make sure that 0 is black! */ | |
| 127 black = SDL_FindColor(pal_256, 0x00, 0x00, 0x00); | |
| 128 pal_256->colors[black] = pal_256->colors[0]; | |
| 129 pal_256->colors[0].r = 0x00; | |
| 130 pal_256->colors[0].g = 0x00; | |
| 131 pal_256->colors[0].b = 0x00; | |
| 132 } else { | |
| 133 SDL_DitherColors(pal_256->colors, | |
| 134 icon_256->format->BitsPerPixel); | |
| 135 } | |
| 136 | |
| 137 /* Now copy color data to the icon BMP */ | |
| 138 for ( i=0; i<(1<<icon_win32->biBitCount); ++i ) { | |
| 139 icon_win32->biColors[i].rgbRed = pal_256->colors[i].r; | |
| 140 icon_win32->biColors[i].rgbGreen = pal_256->colors[i].g; | |
| 141 icon_win32->biColors[i].rgbBlue = pal_256->colors[i].b; | |
| 142 } | |
| 143 | |
| 144 /* Convert icon to a standard surface format. This may not always | |
| 145 be necessary, as Windows supports a variety of BMP formats, but | |
| 146 it greatly simplifies our code. | |
| 147 */ | |
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148 bounds.x = 0; |
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149 bounds.y = 0; |
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150 bounds.w = icon->w; |
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151 bounds.h = icon->h; |
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152 if ( SDL_LowerBlit(icon, &bounds, icon_256, &bounds) < 0 ) { |
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153 SDL_stack_free(icon_win32); |
| 0 | 154 SDL_FreeSurface(icon_256); |
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155 return; |
| 0 | 156 } |
| 157 | |
| 158 /* Copy pixels upside-down to icon BMP, masked with the icon mask */ | |
| 159 if ( SDL_MUSTLOCK(icon_256) || (icon_256->pitch != icon_pitch) ) { | |
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160 SDL_stack_free(icon_win32); |
| 0 | 161 SDL_FreeSurface(icon_256); |
| 162 SDL_SetError("Warning: Unexpected icon_256 characteristics"); | |
| 163 return; | |
| 164 } | |
| 165 pdata = (Uint8 *)icon_256->pixels; | |
| 166 mdata = mask; | |
| 167 pwin32 = (Uint8 *)icon_win32+sizeof(*icon_win32)+icon_plen-icon_pitch; | |
| 168 skip = icon_pitch - icon->w; | |
| 169 for ( row=0; row<icon->h; ++row ) { | |
| 170 for ( col=0; col<icon->w; ++col ) { | |
| 171 if ( (col%8) == 0 ) { | |
| 172 m = *mdata++; | |
| 173 } | |
| 174 if ( (m&0x80) != 0x00 ) { | |
| 175 *pwin32 = *pdata; | |
| 176 } | |
| 177 m <<= 1; | |
| 178 ++pdata; | |
| 179 ++pwin32; | |
| 180 } | |
| 181 pdata += skip; | |
| 182 pwin32 += skip; | |
| 183 pwin32 -= 2*icon_pitch; | |
| 184 } | |
| 185 SDL_FreeSurface(icon_256); | |
| 186 | |
| 187 /* Copy mask inverted and upside-down to icon BMP */ | |
| 188 mdata = mask; | |
| 189 mwin32 = (Uint8 *)icon_win32 | |
| 190 +sizeof(*icon_win32)+icon_plen+icon_mlen-mask_pitch; | |
| 191 for ( row=0; row<icon->h; ++row ) { | |
| 192 for ( col=0; col<mask_pitch; ++col ) { | |
| 193 *mwin32++ = ~*mdata++; | |
| 194 } | |
| 195 mwin32 -= 2*mask_pitch; | |
| 196 } | |
| 197 | |
| 198 /* Finally, create the icon handle and set the window icon */ | |
| 199 screen_icn = CreateIconFromResourceEx((Uint8 *)icon_win32, icon_len, | |
| 200 TRUE, 0x00030000, icon->w, icon->h, LR_DEFAULTCOLOR); | |
| 201 if ( screen_icn == NULL ) { | |
| 202 SDL_SetError("Couldn't create Win32 icon handle"); | |
| 203 } else { | |
| 1481 | 204 SetClassLongPtr(SDL_Window, GCLP_HICON, (LONG_PTR)screen_icn); |
| 0 | 205 } |
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206 SDL_stack_free(icon_win32); |
| 0 | 207 #endif /* DISABLE_ICON_SUPPORT */ |
| 208 } | |
| 209 | |
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210 typedef BOOL (WINAPI *PtrSetWindowTextW)(HWND hWnd, LPCWSTR lpString); |
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211 |
| 0 | 212 void WIN_SetWMCaption(_THIS, const char *title, const char *icon) |
| 213 { | |
| 214 #ifdef _WIN32_WCE | |
| 215 /* WinCE uses the UNICODE version */ | |
| 1510 | 216 LPWSTR lpszW = SDL_iconv_utf8_ucs2((char *)title); |
| 0 | 217 SetWindowText(SDL_Window, lpszW); |
| 1505 | 218 SDL_free(lpszW); |
| 0 | 219 #else |
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220 /* |
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221 * Try loading SetWindowTextW from kernel32.dll first, and if it exists, |
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222 * pass the UCS-2 string to it. If it doesn't, use |
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223 * WideCharToMultiByte(CP_ACP) and hope that the codepage can support the |
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224 * string data in question. This lets us keep binary compatibility with |
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225 * Win95/98/ME but still use saner Unicode on NT-based Windows. |
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226 */ |
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227 static int tried_loading = 0; |
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228 static PtrSetWindowTextW swtw = NULL; |
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229 Uint16 *lpsz = SDL_iconv_utf8_ucs2(title); |
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230 if (!tried_loading) { |
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231 HMODULE dll = LoadLibrary("user32.dll"); |
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232 if (dll != NULL) { |
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233 swtw = (PtrSetWindowTextW) GetProcAddress(dll, "SetWindowTextW"); |
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234 if (swtw == NULL) { |
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235 FreeLibrary(dll); |
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236 } |
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237 } |
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238 tried_loading = 1; |
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239 } |
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240 |
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241 if (swtw != NULL) { |
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242 swtw(SDL_Window, lpsz); |
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243 } else { |
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244 size_t len = WideCharToMultiByte(CP_ACP, 0, lpsz, -1, NULL, 0, NULL, NULL); |
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245 char *cvt = SDL_malloc(len + 1); |
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246 WideCharToMultiByte(CP_ACP, 0, lpsz, -1, cvt, len, NULL, NULL); |
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247 SetWindowText(SDL_Window, cvt); |
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248 SDL_free(cvt); |
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249 } |
| 1505 | 250 SDL_free(lpsz); |
| 0 | 251 #endif |
| 252 } | |
| 253 | |
| 254 int WIN_IconifyWindow(_THIS) | |
| 255 { | |
| 256 ShowWindow(SDL_Window, SW_MINIMIZE); | |
| 257 return(1); | |
| 258 } | |
| 259 | |
| 260 SDL_GrabMode WIN_GrabInput(_THIS, SDL_GrabMode mode) | |
| 261 { | |
| 262 if ( mode == SDL_GRAB_OFF ) { | |
| 263 ClipCursor(NULL); | |
| 264 if ( !(SDL_cursorstate & CURSOR_VISIBLE) ) { | |
| 265 /* RJR: March 28, 2000 | |
| 266 must be leaving relative mode, move mouse from | |
| 267 center of window to where it belongs ... */ | |
| 268 POINT pt; | |
| 269 int x, y; | |
| 270 SDL_GetMouseState(&x,&y); | |
| 271 pt.x = x; | |
| 272 pt.y = y; | |
| 273 ClientToScreen(SDL_Window, &pt); | |
| 274 SetCursorPos(pt.x,pt.y); | |
| 275 } | |
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276 #ifdef _WIN32_WCE |
| 3869 | 277 AllKeys(0); |
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278 #endif |
| 0 | 279 } else { |
| 280 ClipCursor(&SDL_bounds); | |
| 281 if ( !(SDL_cursorstate & CURSOR_VISIBLE) ) { | |
| 282 /* RJR: March 28, 2000 | |
| 283 must be entering relative mode, get ready by | |
| 284 moving mouse to center of window ... */ | |
| 285 POINT pt; | |
| 286 pt.x = (SDL_VideoSurface->w/2); | |
| 287 pt.y = (SDL_VideoSurface->h/2); | |
| 288 ClientToScreen(SDL_Window, &pt); | |
| 289 SetCursorPos(pt.x, pt.y); | |
| 290 } | |
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291 #ifdef _WIN32_WCE |
| 3869 | 292 AllKeys(1); |
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293 #endif |
| 0 | 294 } |
| 295 return(mode); | |
| 296 } | |
| 297 | |
| 298 /* If 'info' is the right version, this function fills it and returns 1. | |
| 299 Otherwise, in case of a version mismatch, it returns -1. | |
| 300 */ | |
| 301 int WIN_GetWMInfo(_THIS, SDL_SysWMinfo *info) | |
| 302 { | |
| 303 if ( info->version.major <= SDL_MAJOR_VERSION ) { | |
| 304 info->window = SDL_Window; | |
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305 if ( SDL_VERSIONNUM(info->version.major, |
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306 info->version.minor, |
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307 info->version.patch) >= |
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308 SDL_VERSIONNUM(1, 2, 5) ) { |
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309 #if SDL_VIDEO_OPENGL |
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310 info->hglrc = GL_hrc; |
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311 #else |
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312 info->hglrc = NULL; |
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313 #endif |
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314 } |
| 0 | 315 return(1); |
| 316 } else { | |
| 317 SDL_SetError("Application not compiled with SDL %d.%d\n", | |
| 318 SDL_MAJOR_VERSION, SDL_MINOR_VERSION); | |
| 319 return(-1); | |
| 320 } | |
| 321 } |