Mercurial > sdl-ios-xcode
annotate src/video/wincommon/SDL_syswm.c @ 1402:d910939febfa
Use consistent identifiers for the various platforms we support.
Make sure every source file includes SDL_config.h, so the proper system
headers are chosen.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Tue, 21 Feb 2006 08:46:50 +0000 |
| parents | 19418e4422cb |
| children | bb6839704ed6 |
| 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 #include "SDL_windows.h" |
| 0 | 25 |
| 26 #include "SDL_version.h" | |
| 27 #include "SDL_video.h" | |
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28 #include "SDL_loadso.h" |
| 0 | 29 #include "SDL_syswm.h" |
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30 #include "../SDL_pixels_c.h" |
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31 #include "../SDL_cursor_c.h" |
| 0 | 32 #include "SDL_syswm_c.h" |
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33 #include "SDL_wingl_c.h" |
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34 |
| 0 | 35 |
| 36 #ifdef _WIN32_WCE | |
| 37 #define DISABLE_ICON_SUPPORT | |
| 38 #endif | |
| 39 | |
| 40 /* The screen icon -- needs to be freed on SDL_VideoQuit() */ | |
| 41 HICON screen_icn = NULL; | |
| 42 | |
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43 #ifdef _WIN32_WCE |
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44 |
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45 BOOL (WINAPI *CoreCatchInput)(int flag) = NULL; |
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46 int input_catched = 0; |
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47 HINSTANCE coredll = NULL; |
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48 |
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49 // the same API call that gx.dll does to catch the input |
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50 void LoadInputCatchFunc() |
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51 { |
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52 coredll = SDL_LoadObject("coredll.dll"); |
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53 if( coredll ) |
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54 { |
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55 CoreCatchInput = (int (WINAPI *)(int)) GetProcAddress(coredll, (const unsigned short *) 1453); |
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56 } |
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57 } |
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58 |
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59 #endif |
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60 |
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61 |
| 0 | 62 /* Win32 icon mask semantics are different from those of SDL: |
| 63 SDL applies the mask to the icon and copies result to desktop. | |
| 64 Win32 applies the mask to the desktop and XORs the icon on. | |
| 65 This means that the SDL mask needs to be applied to the icon and | |
| 66 then inverted and passed to Win32. | |
| 67 */ | |
| 68 void WIN_SetWMIcon(_THIS, SDL_Surface *icon, Uint8 *mask) | |
| 69 { | |
| 70 #ifdef DISABLE_ICON_SUPPORT | |
| 71 return; | |
| 72 #else | |
| 73 SDL_Palette *pal_256; | |
| 74 SDL_Surface *icon_256; | |
| 75 Uint8 *pdata, *pwin32; | |
| 76 Uint8 *mdata, *mwin32, m = 0; | |
| 77 int icon_len; | |
| 78 int icon_plen; | |
| 79 int icon_mlen; | |
| 80 int icon_pitch; | |
| 81 int mask_pitch; | |
| 82 SDL_Rect bounds; | |
| 83 int i, skip; | |
| 84 int row, col; | |
| 85 struct /* quasi-BMP format */ Win32Icon { | |
| 86 Uint32 biSize; | |
| 87 Sint32 biWidth; | |
| 88 Sint32 biHeight; | |
| 89 Uint16 biPlanes; | |
| 90 Uint16 biBitCount; | |
| 91 Uint32 biCompression; | |
| 92 Uint32 biSizeImage; | |
| 93 Sint32 biXPelsPerMeter; | |
| 94 Sint32 biYPelsPerMeter; | |
| 95 Uint32 biClrUsed; | |
| 96 Uint32 biClrImportant; | |
| 97 struct /* RGBQUAD -- note it's BGR ordered */ { | |
| 98 Uint8 rgbBlue; | |
| 99 Uint8 rgbGreen; | |
| 100 Uint8 rgbRed; | |
| 101 Uint8 rgbReserved; | |
| 102 } biColors[256]; | |
| 103 /* Pixels: | |
| 104 Uint8 pixels[] | |
| 105 */ | |
| 106 /* Mask: | |
| 107 Uint8 mask[] | |
| 108 */ | |
| 109 } *icon_win32; | |
| 110 | |
| 111 /* Allocate the win32 bmp icon and set everything to zero */ | |
| 112 icon_pitch = ((icon->w+3)&~3); | |
| 113 mask_pitch = ((icon->w+7)/8); | |
| 114 icon_plen = icon->h*icon_pitch; | |
| 115 icon_mlen = icon->h*mask_pitch; | |
| 116 icon_len = sizeof(*icon_win32)+icon_plen+icon_mlen; | |
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117 icon_win32 = (struct Win32Icon *)SDL_stack_alloc(Uint8, icon_len); |
| 0 | 118 if ( icon_win32 == NULL ) { |
| 119 return; | |
| 120 } | |
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121 SDL_memset(icon_win32, 0, icon_len); |
| 0 | 122 |
| 123 /* Set the basic BMP parameters */ | |
| 124 icon_win32->biSize = sizeof(*icon_win32)-sizeof(icon_win32->biColors); | |
| 125 icon_win32->biWidth = icon->w; | |
| 126 icon_win32->biHeight = icon->h*2; | |
| 127 icon_win32->biPlanes = 1; | |
| 128 icon_win32->biBitCount = 8; | |
| 129 icon_win32->biSizeImage = icon_plen+icon_mlen; | |
| 130 | |
| 131 /* Allocate a standard 256 color icon surface */ | |
| 132 icon_256 = SDL_CreateRGBSurface(SDL_SWSURFACE, icon->w, icon->h, | |
| 133 icon_win32->biBitCount, 0, 0, 0, 0); | |
| 134 if ( icon_256 == NULL ) { | |
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135 SDL_stack_free(icon_win32); |
| 0 | 136 return; |
| 137 } | |
| 138 pal_256 = icon_256->format->palette; | |
| 139 if (icon->format->palette && | |
| 140 (icon->format->BitsPerPixel == icon_256->format->BitsPerPixel)){ | |
| 141 Uint8 black; | |
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142 SDL_memcpy(pal_256->colors, icon->format->palette->colors, |
| 0 | 143 pal_256->ncolors*sizeof(SDL_Color)); |
| 144 /* Make sure that 0 is black! */ | |
| 145 black = SDL_FindColor(pal_256, 0x00, 0x00, 0x00); | |
| 146 pal_256->colors[black] = pal_256->colors[0]; | |
| 147 pal_256->colors[0].r = 0x00; | |
| 148 pal_256->colors[0].g = 0x00; | |
| 149 pal_256->colors[0].b = 0x00; | |
| 150 } else { | |
| 151 SDL_DitherColors(pal_256->colors, | |
| 152 icon_256->format->BitsPerPixel); | |
| 153 } | |
| 154 | |
| 155 /* Now copy color data to the icon BMP */ | |
| 156 for ( i=0; i<(1<<icon_win32->biBitCount); ++i ) { | |
| 157 icon_win32->biColors[i].rgbRed = pal_256->colors[i].r; | |
| 158 icon_win32->biColors[i].rgbGreen = pal_256->colors[i].g; | |
| 159 icon_win32->biColors[i].rgbBlue = pal_256->colors[i].b; | |
| 160 } | |
| 161 | |
| 162 /* Convert icon to a standard surface format. This may not always | |
| 163 be necessary, as Windows supports a variety of BMP formats, but | |
| 164 it greatly simplifies our code. | |
| 165 */ | |
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166 bounds.x = 0; |
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167 bounds.y = 0; |
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168 bounds.w = icon->w; |
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169 bounds.h = icon->h; |
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170 if ( SDL_LowerBlit(icon, &bounds, icon_256, &bounds) < 0 ) { |
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171 SDL_stack_free(icon_win32); |
| 0 | 172 SDL_FreeSurface(icon_256); |
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173 return; |
| 0 | 174 } |
| 175 | |
| 176 /* Copy pixels upside-down to icon BMP, masked with the icon mask */ | |
| 177 if ( SDL_MUSTLOCK(icon_256) || (icon_256->pitch != icon_pitch) ) { | |
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178 SDL_stack_free(icon_win32); |
| 0 | 179 SDL_FreeSurface(icon_256); |
| 180 SDL_SetError("Warning: Unexpected icon_256 characteristics"); | |
| 181 return; | |
| 182 } | |
| 183 pdata = (Uint8 *)icon_256->pixels; | |
| 184 mdata = mask; | |
| 185 pwin32 = (Uint8 *)icon_win32+sizeof(*icon_win32)+icon_plen-icon_pitch; | |
| 186 skip = icon_pitch - icon->w; | |
| 187 for ( row=0; row<icon->h; ++row ) { | |
| 188 for ( col=0; col<icon->w; ++col ) { | |
| 189 if ( (col%8) == 0 ) { | |
| 190 m = *mdata++; | |
| 191 } | |
| 192 if ( (m&0x80) != 0x00 ) { | |
| 193 *pwin32 = *pdata; | |
| 194 } | |
| 195 m <<= 1; | |
| 196 ++pdata; | |
| 197 ++pwin32; | |
| 198 } | |
| 199 pdata += skip; | |
| 200 pwin32 += skip; | |
| 201 pwin32 -= 2*icon_pitch; | |
| 202 } | |
| 203 SDL_FreeSurface(icon_256); | |
| 204 | |
| 205 /* Copy mask inverted and upside-down to icon BMP */ | |
| 206 mdata = mask; | |
| 207 mwin32 = (Uint8 *)icon_win32 | |
| 208 +sizeof(*icon_win32)+icon_plen+icon_mlen-mask_pitch; | |
| 209 for ( row=0; row<icon->h; ++row ) { | |
| 210 for ( col=0; col<mask_pitch; ++col ) { | |
| 211 *mwin32++ = ~*mdata++; | |
| 212 } | |
| 213 mwin32 -= 2*mask_pitch; | |
| 214 } | |
| 215 | |
| 216 /* Finally, create the icon handle and set the window icon */ | |
| 217 screen_icn = CreateIconFromResourceEx((Uint8 *)icon_win32, icon_len, | |
| 218 TRUE, 0x00030000, icon->w, icon->h, LR_DEFAULTCOLOR); | |
| 219 if ( screen_icn == NULL ) { | |
| 220 SDL_SetError("Couldn't create Win32 icon handle"); | |
| 221 } else { | |
| 222 SetClassLong(SDL_Window, GCL_HICON, (LONG)screen_icn); | |
| 223 } | |
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224 SDL_stack_free(icon_win32); |
| 0 | 225 #endif /* DISABLE_ICON_SUPPORT */ |
| 226 } | |
| 227 | |
| 228 void WIN_SetWMCaption(_THIS, const char *title, const char *icon) | |
| 229 { | |
| 230 #ifdef _WIN32_WCE | |
| 231 /* WinCE uses the UNICODE version */ | |
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232 int nLen = SDL_strlen(title)+1; |
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233 LPWSTR lpszW = alloca(nLen*2); |
| 0 | 234 MultiByteToWideChar(CP_ACP, 0, title, -1, lpszW, nLen); |
| 235 SetWindowText(SDL_Window, lpszW); | |
| 236 #else | |
| 237 SetWindowText(SDL_Window, title); | |
| 238 #endif | |
| 239 } | |
| 240 | |
| 241 int WIN_IconifyWindow(_THIS) | |
| 242 { | |
| 243 ShowWindow(SDL_Window, SW_MINIMIZE); | |
| 244 return(1); | |
| 245 } | |
| 246 | |
| 247 SDL_GrabMode WIN_GrabInput(_THIS, SDL_GrabMode mode) | |
| 248 { | |
| 249 if ( mode == SDL_GRAB_OFF ) { | |
| 250 ClipCursor(NULL); | |
| 251 if ( !(SDL_cursorstate & CURSOR_VISIBLE) ) { | |
| 252 /* RJR: March 28, 2000 | |
| 253 must be leaving relative mode, move mouse from | |
| 254 center of window to where it belongs ... */ | |
| 255 POINT pt; | |
| 256 int x, y; | |
| 257 SDL_GetMouseState(&x,&y); | |
| 258 pt.x = x; | |
| 259 pt.y = y; | |
| 260 ClientToScreen(SDL_Window, &pt); | |
| 261 SetCursorPos(pt.x,pt.y); | |
| 262 } | |
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263 #ifdef _WIN32_WCE |
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264 if( input_catched ) |
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265 { |
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266 if( !CoreCatchInput ) LoadInputCatchFunc(); |
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267 |
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268 if( CoreCatchInput ) |
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269 CoreCatchInput(0); |
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270 } |
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271 #endif |
| 0 | 272 } else { |
| 273 ClipCursor(&SDL_bounds); | |
| 274 if ( !(SDL_cursorstate & CURSOR_VISIBLE) ) { | |
| 275 /* RJR: March 28, 2000 | |
| 276 must be entering relative mode, get ready by | |
| 277 moving mouse to center of window ... */ | |
| 278 POINT pt; | |
| 279 pt.x = (SDL_VideoSurface->w/2); | |
| 280 pt.y = (SDL_VideoSurface->h/2); | |
| 281 ClientToScreen(SDL_Window, &pt); | |
| 282 SetCursorPos(pt.x, pt.y); | |
| 283 } | |
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284 #ifdef _WIN32_WCE |
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285 if( !input_catched ) |
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286 { |
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287 if( !CoreCatchInput ) LoadInputCatchFunc(); |
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288 |
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289 if( CoreCatchInput ) |
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290 CoreCatchInput(1); |
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291 } |
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292 #endif |
| 0 | 293 } |
| 294 return(mode); | |
| 295 } | |
| 296 | |
| 297 /* If 'info' is the right version, this function fills it and returns 1. | |
| 298 Otherwise, in case of a version mismatch, it returns -1. | |
| 299 */ | |
| 300 int WIN_GetWMInfo(_THIS, SDL_SysWMinfo *info) | |
| 301 { | |
| 302 if ( info->version.major <= SDL_MAJOR_VERSION ) { | |
| 303 info->window = SDL_Window; | |
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304 if ( SDL_VERSIONNUM(info->version.major, |
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305 info->version.minor, |
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306 info->version.patch) >= |
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307 SDL_VERSIONNUM(1, 2, 5) ) { |
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308 #if SDL_VIDEO_OPENGL |
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309 info->hglrc = GL_hrc; |
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310 #else |
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311 info->hglrc = NULL; |
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312 #endif |
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313 } |
| 0 | 314 return(1); |
| 315 } else { | |
| 316 SDL_SetError("Application not compiled with SDL %d.%d\n", | |
| 317 SDL_MAJOR_VERSION, SDL_MINOR_VERSION); | |
| 318 return(-1); | |
| 319 } | |
| 320 } |