Mercurial > sdl-ios-xcode
annotate src/video/wincommon/SDL_syswm.c @ 1743:70a4d819e95e
Future proof C++ code
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Fri, 28 Apr 2006 05:43:58 +0000 |
| parents | 720f8bb49d7d |
| children | 782fd950bd46 c121d94672cb b0955ae208f3 |
| 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 | |
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44 #ifdef _WIN32_WCE |
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45 |
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46 BOOL (WINAPI *CoreCatchInput)(int flag) = NULL; |
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47 int input_catched = 0; |
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48 HINSTANCE coredll = NULL; |
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49 |
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50 // the same API call that gx.dll does to catch the input |
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51 void LoadInputCatchFunc() |
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52 { |
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53 coredll = SDL_LoadObject("coredll.dll"); |
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54 if( coredll ) |
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55 { |
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56 CoreCatchInput = (int (WINAPI *)(int)) GetProcAddress(coredll, (const unsigned short *) 1453); |
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57 } |
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58 } |
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59 |
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60 #endif |
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61 |
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62 |
| 0 | 63 /* Win32 icon mask semantics are different from those of SDL: |
| 64 SDL applies the mask to the icon and copies result to desktop. | |
| 65 Win32 applies the mask to the desktop and XORs the icon on. | |
| 66 This means that the SDL mask needs to be applied to the icon and | |
| 67 then inverted and passed to Win32. | |
| 68 */ | |
| 69 void WIN_SetWMIcon(_THIS, SDL_Surface *icon, Uint8 *mask) | |
| 70 { | |
| 71 #ifdef DISABLE_ICON_SUPPORT | |
| 72 return; | |
| 73 #else | |
| 74 SDL_Palette *pal_256; | |
| 75 SDL_Surface *icon_256; | |
| 76 Uint8 *pdata, *pwin32; | |
| 77 Uint8 *mdata, *mwin32, m = 0; | |
| 78 int icon_len; | |
| 79 int icon_plen; | |
| 80 int icon_mlen; | |
| 81 int icon_pitch; | |
| 82 int mask_pitch; | |
| 83 SDL_Rect bounds; | |
| 84 int i, skip; | |
| 85 int row, col; | |
| 86 struct /* quasi-BMP format */ Win32Icon { | |
| 87 Uint32 biSize; | |
| 88 Sint32 biWidth; | |
| 89 Sint32 biHeight; | |
| 90 Uint16 biPlanes; | |
| 91 Uint16 biBitCount; | |
| 92 Uint32 biCompression; | |
| 93 Uint32 biSizeImage; | |
| 94 Sint32 biXPelsPerMeter; | |
| 95 Sint32 biYPelsPerMeter; | |
| 96 Uint32 biClrUsed; | |
| 97 Uint32 biClrImportant; | |
| 98 struct /* RGBQUAD -- note it's BGR ordered */ { | |
| 99 Uint8 rgbBlue; | |
| 100 Uint8 rgbGreen; | |
| 101 Uint8 rgbRed; | |
| 102 Uint8 rgbReserved; | |
| 103 } biColors[256]; | |
| 104 /* Pixels: | |
| 105 Uint8 pixels[] | |
| 106 */ | |
| 107 /* Mask: | |
| 108 Uint8 mask[] | |
| 109 */ | |
| 110 } *icon_win32; | |
| 111 | |
| 112 /* Allocate the win32 bmp icon and set everything to zero */ | |
| 113 icon_pitch = ((icon->w+3)&~3); | |
| 114 mask_pitch = ((icon->w+7)/8); | |
| 115 icon_plen = icon->h*icon_pitch; | |
| 116 icon_mlen = icon->h*mask_pitch; | |
| 117 icon_len = sizeof(*icon_win32)+icon_plen+icon_mlen; | |
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118 icon_win32 = (struct Win32Icon *)SDL_stack_alloc(Uint8, icon_len); |
| 0 | 119 if ( icon_win32 == NULL ) { |
| 120 return; | |
| 121 } | |
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122 SDL_memset(icon_win32, 0, icon_len); |
| 0 | 123 |
| 124 /* Set the basic BMP parameters */ | |
| 125 icon_win32->biSize = sizeof(*icon_win32)-sizeof(icon_win32->biColors); | |
| 126 icon_win32->biWidth = icon->w; | |
| 127 icon_win32->biHeight = icon->h*2; | |
| 128 icon_win32->biPlanes = 1; | |
| 129 icon_win32->biBitCount = 8; | |
| 130 icon_win32->biSizeImage = icon_plen+icon_mlen; | |
| 131 | |
| 132 /* Allocate a standard 256 color icon surface */ | |
| 133 icon_256 = SDL_CreateRGBSurface(SDL_SWSURFACE, icon->w, icon->h, | |
| 134 icon_win32->biBitCount, 0, 0, 0, 0); | |
| 135 if ( icon_256 == NULL ) { | |
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136 SDL_stack_free(icon_win32); |
| 0 | 137 return; |
| 138 } | |
| 139 pal_256 = icon_256->format->palette; | |
| 140 if (icon->format->palette && | |
| 141 (icon->format->BitsPerPixel == icon_256->format->BitsPerPixel)){ | |
| 142 Uint8 black; | |
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143 SDL_memcpy(pal_256->colors, icon->format->palette->colors, |
| 0 | 144 pal_256->ncolors*sizeof(SDL_Color)); |
| 145 /* Make sure that 0 is black! */ | |
| 146 black = SDL_FindColor(pal_256, 0x00, 0x00, 0x00); | |
| 147 pal_256->colors[black] = pal_256->colors[0]; | |
| 148 pal_256->colors[0].r = 0x00; | |
| 149 pal_256->colors[0].g = 0x00; | |
| 150 pal_256->colors[0].b = 0x00; | |
| 151 } else { | |
| 152 SDL_DitherColors(pal_256->colors, | |
| 153 icon_256->format->BitsPerPixel); | |
| 154 } | |
| 155 | |
| 156 /* Now copy color data to the icon BMP */ | |
| 157 for ( i=0; i<(1<<icon_win32->biBitCount); ++i ) { | |
| 158 icon_win32->biColors[i].rgbRed = pal_256->colors[i].r; | |
| 159 icon_win32->biColors[i].rgbGreen = pal_256->colors[i].g; | |
| 160 icon_win32->biColors[i].rgbBlue = pal_256->colors[i].b; | |
| 161 } | |
| 162 | |
| 163 /* Convert icon to a standard surface format. This may not always | |
| 164 be necessary, as Windows supports a variety of BMP formats, but | |
| 165 it greatly simplifies our code. | |
| 166 */ | |
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167 bounds.x = 0; |
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168 bounds.y = 0; |
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169 bounds.w = icon->w; |
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170 bounds.h = icon->h; |
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171 if ( SDL_LowerBlit(icon, &bounds, icon_256, &bounds) < 0 ) { |
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172 SDL_stack_free(icon_win32); |
| 0 | 173 SDL_FreeSurface(icon_256); |
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174 return; |
| 0 | 175 } |
| 176 | |
| 177 /* Copy pixels upside-down to icon BMP, masked with the icon mask */ | |
| 178 if ( SDL_MUSTLOCK(icon_256) || (icon_256->pitch != icon_pitch) ) { | |
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179 SDL_stack_free(icon_win32); |
| 0 | 180 SDL_FreeSurface(icon_256); |
| 181 SDL_SetError("Warning: Unexpected icon_256 characteristics"); | |
| 182 return; | |
| 183 } | |
| 184 pdata = (Uint8 *)icon_256->pixels; | |
| 185 mdata = mask; | |
| 186 pwin32 = (Uint8 *)icon_win32+sizeof(*icon_win32)+icon_plen-icon_pitch; | |
| 187 skip = icon_pitch - icon->w; | |
| 188 for ( row=0; row<icon->h; ++row ) { | |
| 189 for ( col=0; col<icon->w; ++col ) { | |
| 190 if ( (col%8) == 0 ) { | |
| 191 m = *mdata++; | |
| 192 } | |
| 193 if ( (m&0x80) != 0x00 ) { | |
| 194 *pwin32 = *pdata; | |
| 195 } | |
| 196 m <<= 1; | |
| 197 ++pdata; | |
| 198 ++pwin32; | |
| 199 } | |
| 200 pdata += skip; | |
| 201 pwin32 += skip; | |
| 202 pwin32 -= 2*icon_pitch; | |
| 203 } | |
| 204 SDL_FreeSurface(icon_256); | |
| 205 | |
| 206 /* Copy mask inverted and upside-down to icon BMP */ | |
| 207 mdata = mask; | |
| 208 mwin32 = (Uint8 *)icon_win32 | |
| 209 +sizeof(*icon_win32)+icon_plen+icon_mlen-mask_pitch; | |
| 210 for ( row=0; row<icon->h; ++row ) { | |
| 211 for ( col=0; col<mask_pitch; ++col ) { | |
| 212 *mwin32++ = ~*mdata++; | |
| 213 } | |
| 214 mwin32 -= 2*mask_pitch; | |
| 215 } | |
| 216 | |
| 217 /* Finally, create the icon handle and set the window icon */ | |
| 218 screen_icn = CreateIconFromResourceEx((Uint8 *)icon_win32, icon_len, | |
| 219 TRUE, 0x00030000, icon->w, icon->h, LR_DEFAULTCOLOR); | |
| 220 if ( screen_icn == NULL ) { | |
| 221 SDL_SetError("Couldn't create Win32 icon handle"); | |
| 222 } else { | |
| 1481 | 223 SetClassLongPtr(SDL_Window, GCLP_HICON, (LONG_PTR)screen_icn); |
| 0 | 224 } |
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225 SDL_stack_free(icon_win32); |
| 0 | 226 #endif /* DISABLE_ICON_SUPPORT */ |
| 227 } | |
| 228 | |
| 229 void WIN_SetWMCaption(_THIS, const char *title, const char *icon) | |
| 230 { | |
| 231 #ifdef _WIN32_WCE | |
| 232 /* WinCE uses the UNICODE version */ | |
| 1510 | 233 LPWSTR lpszW = SDL_iconv_utf8_ucs2((char *)title); |
| 0 | 234 SetWindowText(SDL_Window, lpszW); |
| 1505 | 235 SDL_free(lpszW); |
| 0 | 236 #else |
| 1510 | 237 char *lpsz = SDL_iconv_utf8_latin1((char *)title); |
| 1505 | 238 SetWindowText(SDL_Window, lpsz); |
| 239 SDL_free(lpsz); | |
| 0 | 240 #endif |
| 241 } | |
| 242 | |
| 243 int WIN_IconifyWindow(_THIS) | |
| 244 { | |
| 245 ShowWindow(SDL_Window, SW_MINIMIZE); | |
| 246 return(1); | |
| 247 } | |
| 248 | |
| 249 SDL_GrabMode WIN_GrabInput(_THIS, SDL_GrabMode mode) | |
| 250 { | |
| 251 if ( mode == SDL_GRAB_OFF ) { | |
| 252 ClipCursor(NULL); | |
| 253 if ( !(SDL_cursorstate & CURSOR_VISIBLE) ) { | |
| 254 /* RJR: March 28, 2000 | |
| 255 must be leaving relative mode, move mouse from | |
| 256 center of window to where it belongs ... */ | |
| 257 POINT pt; | |
| 258 int x, y; | |
| 259 SDL_GetMouseState(&x,&y); | |
| 260 pt.x = x; | |
| 261 pt.y = y; | |
| 262 ClientToScreen(SDL_Window, &pt); | |
| 263 SetCursorPos(pt.x,pt.y); | |
| 264 } | |
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265 #ifdef _WIN32_WCE |
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266 if( input_catched ) |
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267 { |
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268 if( !CoreCatchInput ) LoadInputCatchFunc(); |
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269 |
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270 if( CoreCatchInput ) |
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271 CoreCatchInput(0); |
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272 } |
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273 #endif |
| 0 | 274 } else { |
| 275 ClipCursor(&SDL_bounds); | |
| 276 if ( !(SDL_cursorstate & CURSOR_VISIBLE) ) { | |
| 277 /* RJR: March 28, 2000 | |
| 278 must be entering relative mode, get ready by | |
| 279 moving mouse to center of window ... */ | |
| 280 POINT pt; | |
| 281 pt.x = (SDL_VideoSurface->w/2); | |
| 282 pt.y = (SDL_VideoSurface->h/2); | |
| 283 ClientToScreen(SDL_Window, &pt); | |
| 284 SetCursorPos(pt.x, pt.y); | |
| 285 } | |
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286 #ifdef _WIN32_WCE |
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287 if( !input_catched ) |
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288 { |
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289 if( !CoreCatchInput ) LoadInputCatchFunc(); |
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290 |
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291 if( CoreCatchInput ) |
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292 CoreCatchInput(1); |
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293 } |
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294 #endif |
| 0 | 295 } |
| 296 return(mode); | |
| 297 } | |
| 298 | |
| 299 /* If 'info' is the right version, this function fills it and returns 1. | |
| 300 Otherwise, in case of a version mismatch, it returns -1. | |
| 301 */ | |
| 302 int WIN_GetWMInfo(_THIS, SDL_SysWMinfo *info) | |
| 303 { | |
| 304 if ( info->version.major <= SDL_MAJOR_VERSION ) { | |
| 305 info->window = SDL_Window; | |
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306 if ( SDL_VERSIONNUM(info->version.major, |
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307 info->version.minor, |
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308 info->version.patch) >= |
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309 SDL_VERSIONNUM(1, 2, 5) ) { |
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310 #if SDL_VIDEO_OPENGL |
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311 info->hglrc = GL_hrc; |
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312 #else |
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313 info->hglrc = NULL; |
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314 #endif |
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315 } |
| 0 | 316 return(1); |
| 317 } else { | |
| 318 SDL_SetError("Application not compiled with SDL %d.%d\n", | |
| 319 SDL_MAJOR_VERSION, SDL_MINOR_VERSION); | |
| 320 return(-1); | |
| 321 } | |
| 322 } |