Mercurial > sdl-ios-xcode
annotate src/video/wincommon/SDL_syswm.c @ 1338:604d73db6802
Removed uses of stdlib.h and string.h
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Tue, 07 Feb 2006 09:29:18 +0000 |
| parents | 3692456e7b0f |
| children | c71e05b4dc2e |
| 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 */ |
| 22 | |
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23 #include "SDL_windows.h" |
| 0 | 24 |
| 25 #include "SDL_version.h" | |
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26 #include "SDL_stdlib.h" |
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27 #include "SDL_string.h" |
| 0 | 28 #include "SDL_error.h" |
| 29 #include "SDL_video.h" | |
| 30 #include "SDL_syswm.h" | |
| 31 #include "SDL_syswm_c.h" | |
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32 #include "SDL_wingl_c.h" |
| 0 | 33 #include "SDL_pixels_c.h" |
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34 #include "SDL_loadso.h" |
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35 |
| 0 | 36 |
| 37 #ifdef _WIN32_WCE | |
| 38 #define DISABLE_ICON_SUPPORT | |
| 39 #endif | |
| 40 | |
| 41 /* RJR: March 28, 2000 | |
| 42 we need "SDL_cursor_c.h" for mods to WIN_GrabInput */ | |
| 43 #include "SDL_cursor_c.h" | |
| 44 | |
| 45 /* The screen icon -- needs to be freed on SDL_VideoQuit() */ | |
| 46 HICON screen_icn = NULL; | |
| 47 | |
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48 #ifdef _WIN32_WCE |
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49 |
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50 BOOL (WINAPI *CoreCatchInput)(int flag) = NULL; |
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51 int input_catched = 0; |
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52 HINSTANCE coredll = NULL; |
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53 |
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54 // the same API call that gx.dll does to catch the input |
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55 void LoadInputCatchFunc() |
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56 { |
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57 coredll = SDL_LoadObject("coredll.dll"); |
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58 if( coredll ) |
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59 { |
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60 CoreCatchInput = (int (WINAPI *)(int)) GetProcAddress(coredll, (const unsigned short *) 1453); |
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61 } |
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62 } |
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63 |
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64 #endif |
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65 |
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66 |
| 0 | 67 /* Win32 icon mask semantics are different from those of SDL: |
| 68 SDL applies the mask to the icon and copies result to desktop. | |
| 69 Win32 applies the mask to the desktop and XORs the icon on. | |
| 70 This means that the SDL mask needs to be applied to the icon and | |
| 71 then inverted and passed to Win32. | |
| 72 */ | |
| 73 void WIN_SetWMIcon(_THIS, SDL_Surface *icon, Uint8 *mask) | |
| 74 { | |
| 75 #ifdef DISABLE_ICON_SUPPORT | |
| 76 return; | |
| 77 #else | |
| 78 SDL_Palette *pal_256; | |
| 79 SDL_Surface *icon_256; | |
| 80 Uint8 *pdata, *pwin32; | |
| 81 Uint8 *mdata, *mwin32, m = 0; | |
| 82 int icon_len; | |
| 83 int icon_plen; | |
| 84 int icon_mlen; | |
| 85 int icon_pitch; | |
| 86 int mask_pitch; | |
| 87 SDL_Rect bounds; | |
| 88 int i, skip; | |
| 89 int row, col; | |
| 90 struct /* quasi-BMP format */ Win32Icon { | |
| 91 Uint32 biSize; | |
| 92 Sint32 biWidth; | |
| 93 Sint32 biHeight; | |
| 94 Uint16 biPlanes; | |
| 95 Uint16 biBitCount; | |
| 96 Uint32 biCompression; | |
| 97 Uint32 biSizeImage; | |
| 98 Sint32 biXPelsPerMeter; | |
| 99 Sint32 biYPelsPerMeter; | |
| 100 Uint32 biClrUsed; | |
| 101 Uint32 biClrImportant; | |
| 102 struct /* RGBQUAD -- note it's BGR ordered */ { | |
| 103 Uint8 rgbBlue; | |
| 104 Uint8 rgbGreen; | |
| 105 Uint8 rgbRed; | |
| 106 Uint8 rgbReserved; | |
| 107 } biColors[256]; | |
| 108 /* Pixels: | |
| 109 Uint8 pixels[] | |
| 110 */ | |
| 111 /* Mask: | |
| 112 Uint8 mask[] | |
| 113 */ | |
| 114 } *icon_win32; | |
| 115 | |
| 116 /* Allocate the win32 bmp icon and set everything to zero */ | |
| 117 icon_pitch = ((icon->w+3)&~3); | |
| 118 mask_pitch = ((icon->w+7)/8); | |
| 119 icon_plen = icon->h*icon_pitch; | |
| 120 icon_mlen = icon->h*mask_pitch; | |
| 121 icon_len = sizeof(*icon_win32)+icon_plen+icon_mlen; | |
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122 icon_win32 = (struct Win32Icon *)SDL_stack_alloc(Uint8, icon_len); |
| 0 | 123 if ( icon_win32 == NULL ) { |
| 124 return; | |
| 125 } | |
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126 SDL_memset(icon_win32, 0, icon_len); |
| 0 | 127 |
| 128 /* Set the basic BMP parameters */ | |
| 129 icon_win32->biSize = sizeof(*icon_win32)-sizeof(icon_win32->biColors); | |
| 130 icon_win32->biWidth = icon->w; | |
| 131 icon_win32->biHeight = icon->h*2; | |
| 132 icon_win32->biPlanes = 1; | |
| 133 icon_win32->biBitCount = 8; | |
| 134 icon_win32->biSizeImage = icon_plen+icon_mlen; | |
| 135 | |
| 136 /* Allocate a standard 256 color icon surface */ | |
| 137 icon_256 = SDL_CreateRGBSurface(SDL_SWSURFACE, icon->w, icon->h, | |
| 138 icon_win32->biBitCount, 0, 0, 0, 0); | |
| 139 if ( icon_256 == NULL ) { | |
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140 SDL_stack_free(icon_win32); |
| 0 | 141 return; |
| 142 } | |
| 143 pal_256 = icon_256->format->palette; | |
| 144 if (icon->format->palette && | |
| 145 (icon->format->BitsPerPixel == icon_256->format->BitsPerPixel)){ | |
| 146 Uint8 black; | |
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147 SDL_memcpy(pal_256->colors, icon->format->palette->colors, |
| 0 | 148 pal_256->ncolors*sizeof(SDL_Color)); |
| 149 /* Make sure that 0 is black! */ | |
| 150 black = SDL_FindColor(pal_256, 0x00, 0x00, 0x00); | |
| 151 pal_256->colors[black] = pal_256->colors[0]; | |
| 152 pal_256->colors[0].r = 0x00; | |
| 153 pal_256->colors[0].g = 0x00; | |
| 154 pal_256->colors[0].b = 0x00; | |
| 155 } else { | |
| 156 SDL_DitherColors(pal_256->colors, | |
| 157 icon_256->format->BitsPerPixel); | |
| 158 } | |
| 159 | |
| 160 /* Now copy color data to the icon BMP */ | |
| 161 for ( i=0; i<(1<<icon_win32->biBitCount); ++i ) { | |
| 162 icon_win32->biColors[i].rgbRed = pal_256->colors[i].r; | |
| 163 icon_win32->biColors[i].rgbGreen = pal_256->colors[i].g; | |
| 164 icon_win32->biColors[i].rgbBlue = pal_256->colors[i].b; | |
| 165 } | |
| 166 | |
| 167 /* Convert icon to a standard surface format. This may not always | |
| 168 be necessary, as Windows supports a variety of BMP formats, but | |
| 169 it greatly simplifies our code. | |
| 170 */ | |
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171 bounds.x = 0; |
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172 bounds.y = 0; |
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173 bounds.w = icon->w; |
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174 bounds.h = icon->h; |
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175 if ( SDL_LowerBlit(icon, &bounds, icon_256, &bounds) < 0 ) { |
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176 SDL_stack_free(icon_win32); |
| 0 | 177 SDL_FreeSurface(icon_256); |
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178 return; |
| 0 | 179 } |
| 180 | |
| 181 /* Copy pixels upside-down to icon BMP, masked with the icon mask */ | |
| 182 if ( SDL_MUSTLOCK(icon_256) || (icon_256->pitch != icon_pitch) ) { | |
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183 SDL_stack_free(icon_win32); |
| 0 | 184 SDL_FreeSurface(icon_256); |
| 185 SDL_SetError("Warning: Unexpected icon_256 characteristics"); | |
| 186 return; | |
| 187 } | |
| 188 pdata = (Uint8 *)icon_256->pixels; | |
| 189 mdata = mask; | |
| 190 pwin32 = (Uint8 *)icon_win32+sizeof(*icon_win32)+icon_plen-icon_pitch; | |
| 191 skip = icon_pitch - icon->w; | |
| 192 for ( row=0; row<icon->h; ++row ) { | |
| 193 for ( col=0; col<icon->w; ++col ) { | |
| 194 if ( (col%8) == 0 ) { | |
| 195 m = *mdata++; | |
| 196 } | |
| 197 if ( (m&0x80) != 0x00 ) { | |
| 198 *pwin32 = *pdata; | |
| 199 } | |
| 200 m <<= 1; | |
| 201 ++pdata; | |
| 202 ++pwin32; | |
| 203 } | |
| 204 pdata += skip; | |
| 205 pwin32 += skip; | |
| 206 pwin32 -= 2*icon_pitch; | |
| 207 } | |
| 208 SDL_FreeSurface(icon_256); | |
| 209 | |
| 210 /* Copy mask inverted and upside-down to icon BMP */ | |
| 211 mdata = mask; | |
| 212 mwin32 = (Uint8 *)icon_win32 | |
| 213 +sizeof(*icon_win32)+icon_plen+icon_mlen-mask_pitch; | |
| 214 for ( row=0; row<icon->h; ++row ) { | |
| 215 for ( col=0; col<mask_pitch; ++col ) { | |
| 216 *mwin32++ = ~*mdata++; | |
| 217 } | |
| 218 mwin32 -= 2*mask_pitch; | |
| 219 } | |
| 220 | |
| 221 /* Finally, create the icon handle and set the window icon */ | |
| 222 screen_icn = CreateIconFromResourceEx((Uint8 *)icon_win32, icon_len, | |
| 223 TRUE, 0x00030000, icon->w, icon->h, LR_DEFAULTCOLOR); | |
| 224 if ( screen_icn == NULL ) { | |
| 225 SDL_SetError("Couldn't create Win32 icon handle"); | |
| 226 } else { | |
| 227 SetClassLong(SDL_Window, GCL_HICON, (LONG)screen_icn); | |
| 228 } | |
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229 SDL_stack_free(icon_win32); |
| 0 | 230 #endif /* DISABLE_ICON_SUPPORT */ |
| 231 } | |
| 232 | |
| 233 void WIN_SetWMCaption(_THIS, const char *title, const char *icon) | |
| 234 { | |
| 235 #ifdef _WIN32_WCE | |
| 236 /* WinCE uses the UNICODE version */ | |
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237 int nLen = SDL_strlen(title)+1; |
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238 LPWSTR lpszW = alloca(nLen*2); |
| 0 | 239 MultiByteToWideChar(CP_ACP, 0, title, -1, lpszW, nLen); |
| 240 SetWindowText(SDL_Window, lpszW); | |
| 241 #else | |
| 242 SetWindowText(SDL_Window, title); | |
| 243 #endif | |
| 244 } | |
| 245 | |
| 246 int WIN_IconifyWindow(_THIS) | |
| 247 { | |
| 248 ShowWindow(SDL_Window, SW_MINIMIZE); | |
| 249 return(1); | |
| 250 } | |
| 251 | |
| 252 SDL_GrabMode WIN_GrabInput(_THIS, SDL_GrabMode mode) | |
| 253 { | |
| 254 if ( mode == SDL_GRAB_OFF ) { | |
| 255 ClipCursor(NULL); | |
| 256 if ( !(SDL_cursorstate & CURSOR_VISIBLE) ) { | |
| 257 /* RJR: March 28, 2000 | |
| 258 must be leaving relative mode, move mouse from | |
| 259 center of window to where it belongs ... */ | |
| 260 POINT pt; | |
| 261 int x, y; | |
| 262 SDL_GetMouseState(&x,&y); | |
| 263 pt.x = x; | |
| 264 pt.y = y; | |
| 265 ClientToScreen(SDL_Window, &pt); | |
| 266 SetCursorPos(pt.x,pt.y); | |
| 267 } | |
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268 #ifdef _WIN32_WCE |
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269 if( input_catched ) |
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270 { |
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271 if( !CoreCatchInput ) LoadInputCatchFunc(); |
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272 |
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273 if( CoreCatchInput ) |
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274 CoreCatchInput(0); |
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275 } |
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276 #endif |
| 0 | 277 } else { |
| 278 ClipCursor(&SDL_bounds); | |
| 279 if ( !(SDL_cursorstate & CURSOR_VISIBLE) ) { | |
| 280 /* RJR: March 28, 2000 | |
| 281 must be entering relative mode, get ready by | |
| 282 moving mouse to center of window ... */ | |
| 283 POINT pt; | |
| 284 pt.x = (SDL_VideoSurface->w/2); | |
| 285 pt.y = (SDL_VideoSurface->h/2); | |
| 286 ClientToScreen(SDL_Window, &pt); | |
| 287 SetCursorPos(pt.x, pt.y); | |
| 288 } | |
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289 #ifdef _WIN32_WCE |
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290 if( !input_catched ) |
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291 { |
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292 if( !CoreCatchInput ) LoadInputCatchFunc(); |
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293 |
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294 if( CoreCatchInput ) |
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295 CoreCatchInput(1); |
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296 } |
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297 #endif |
| 0 | 298 } |
| 299 return(mode); | |
| 300 } | |
| 301 | |
| 302 /* If 'info' is the right version, this function fills it and returns 1. | |
| 303 Otherwise, in case of a version mismatch, it returns -1. | |
| 304 */ | |
| 305 int WIN_GetWMInfo(_THIS, SDL_SysWMinfo *info) | |
| 306 { | |
| 307 if ( info->version.major <= SDL_MAJOR_VERSION ) { | |
| 308 info->window = SDL_Window; | |
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309 if ( SDL_VERSIONNUM(info->version.major, |
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310 info->version.minor, |
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311 info->version.patch) >= |
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312 SDL_VERSIONNUM(1, 2, 5) ) { |
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313 #ifdef HAVE_OPENGL |
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314 info->hglrc = GL_hrc; |
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315 #else |
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316 info->hglrc = NULL; |
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317 #endif |
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318 } |
| 0 | 319 return(1); |
| 320 } else { | |
| 321 SDL_SetError("Application not compiled with SDL %d.%d\n", | |
| 322 SDL_MAJOR_VERSION, SDL_MINOR_VERSION); | |
| 323 return(-1); | |
| 324 } | |
| 325 } |