Mercurial > sdl-ios-xcode
annotate src/video/cybergfx/SDL_cgxwm.c @ 1168:045f186426e1
Dynamically load X11 libraries like we currently do for alsa, esd, etc.
This allows you to run an SDL program on a system without Xlib, since it'll
just report the x11 target unavailable at runtime.
| author | Ryan C. Gordon <icculus@icculus.org> |
|---|---|
| date | Sat, 05 Nov 2005 19:53:37 +0000 |
| parents | b8d311d90021 |
| children | c9b51268668f |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
|
769
b8d311d90021
Updated copyright information for 2004 (Happy New Year!)
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
3 Copyright (C) 1997-2004 Sam Lantinga |
| 0 | 4 |
| 5 This library is free software; you can redistribute it and/or | |
| 6 modify it under the terms of the GNU Library General Public | |
| 7 License as published by the Free Software Foundation; either | |
| 8 version 2 of the License, or (at your option) any later version. | |
| 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 | |
| 13 Library General Public License for more details. | |
| 14 | |
| 15 You should have received a copy of the GNU Library General Public | |
| 16 License along with this library; if not, write to the Free | |
| 17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 18 | |
| 19 Sam Lantinga | |
|
252
e8157fcb3114
Updated the source with the correct e-mail address
Sam Lantinga <slouken@libsdl.org>
parents:
0
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changeset
|
20 slouken@libsdl.org |
| 0 | 21 */ |
| 22 | |
| 23 #ifdef SAVE_RCSID | |
| 24 static char rcsid = | |
| 25 "@(#) $Id$"; | |
| 26 #endif | |
| 27 | |
| 28 #include "SDL_version.h" | |
| 29 #include "SDL_error.h" | |
| 30 #include "SDL_timer.h" | |
| 31 #include "SDL_video.h" | |
| 32 #include "SDL_syswm.h" | |
| 33 #include "SDL_events_c.h" | |
| 34 #include "SDL_pixels_c.h" | |
| 35 #include "SDL_cgxmodes_c.h" | |
| 36 #include "SDL_cgxwm_c.h" | |
| 37 | |
| 38 /* This is necessary for working properly with Enlightenment, etc. */ | |
| 39 #define USE_ICON_WINDOW | |
| 40 | |
| 41 void CGX_SetIcon(_THIS, SDL_Surface *icon, Uint8 *mask) | |
| 42 { | |
| 43 #if 0 | |
| 44 SDL_Surface *sicon; | |
| 45 XWMHints *wmhints; | |
| 46 XImage *icon_image; | |
| 47 Pixmap icon_pixmap; | |
| 48 Pixmap mask_pixmap; | |
| 49 #ifdef USE_ICON_WINDOW | |
| 50 Window icon_window; | |
| 51 #endif | |
| 52 GC GC; | |
| 53 XGCValues GCvalues; | |
| 54 int i, b, dbpp; | |
| 55 SDL_Rect bounds; | |
| 56 Uint8 *LSBmask, *color_tried; | |
| 57 Visual *dvis; | |
| 58 | |
| 59 /* Lock the event thread, in multi-threading environments */ | |
| 60 SDL_Lock_EventThread(); | |
| 61 | |
| 62 /* The icon must use the default visual, depth and colormap of the | |
| 63 screen, so it might need a conversion */ | |
| 64 dbpp = DefaultDepth(SDL_Display, SDL_Screen); | |
| 65 switch(dbpp) { | |
| 66 case 15: | |
| 67 dbpp = 16; break; | |
| 68 case 24: | |
| 69 dbpp = 32; break; | |
| 70 } | |
| 71 dvis = DefaultVisual(SDL_Display, SDL_Screen); | |
| 72 | |
| 73 /* The Visual struct is supposed to be opaque but we cheat a little */ | |
| 74 sicon = SDL_CreateRGBSurface(SDL_SWSURFACE, icon->w, icon->h, | |
| 75 dbpp, | |
| 76 dvis->red_mask, dvis->green_mask, | |
| 77 dvis->blue_mask, 0); | |
| 78 | |
| 79 if ( sicon == NULL ) { | |
| 80 goto done; | |
| 81 } | |
| 82 /* If we already have allocated colours from the default colormap, | |
| 83 copy them */ | |
| 84 if(SDL_Visual == dvis && SDL_XColorMap == SDL_DisplayColormap | |
| 85 && this->screen->format->palette && sicon->format->palette) { | |
| 86 memcpy(sicon->format->palette->colors, | |
| 87 this->screen->format->palette->colors, | |
| 88 this->screen->format->palette->ncolors * sizeof(SDL_Color)); | |
| 89 } | |
| 90 | |
| 91 bounds.x = 0; | |
| 92 bounds.y = 0; | |
| 93 bounds.w = icon->w; | |
| 94 bounds.h = icon->h; | |
| 95 if ( SDL_LowerBlit(icon, &bounds, sicon, &bounds) < 0 ) | |
| 96 goto done; | |
| 97 | |
| 98 /* Lock down the colors used in the colormap */ | |
| 99 color_tried = NULL; | |
| 100 if ( sicon->format->BitsPerPixel == 8 ) { | |
| 101 SDL_Palette *palette; | |
| 102 Uint8 *p; | |
| 103 XColor wanted; | |
| 104 | |
| 105 palette = sicon->format->palette; | |
| 106 color_tried = malloc(palette->ncolors); | |
| 107 if ( color_tried == NULL ) { | |
| 108 goto done; | |
| 109 } | |
| 110 if ( SDL_iconcolors != NULL ) { | |
| 111 free(SDL_iconcolors); | |
| 112 } | |
| 113 SDL_iconcolors = malloc(palette->ncolors | |
| 114 * sizeof(*SDL_iconcolors)); | |
| 115 if ( SDL_iconcolors == NULL ) { | |
| 116 free(color_tried); | |
| 117 goto done; | |
| 118 } | |
| 119 memset(color_tried, 0, palette->ncolors); | |
| 120 memset(SDL_iconcolors, 0, | |
| 121 palette->ncolors * sizeof(*SDL_iconcolors)); | |
| 122 | |
| 123 p = (Uint8 *)sicon->pixels; | |
| 124 for ( i = sicon->w*sicon->h; i > 0; --i, ++p ) { | |
| 125 if ( ! color_tried[*p] ) { | |
| 126 wanted.pixel = *p; | |
| 127 wanted.red = (palette->colors[*p].r<<8); | |
| 128 wanted.green = (palette->colors[*p].g<<8); | |
| 129 wanted.blue = (palette->colors[*p].b<<8); | |
| 130 wanted.flags = (DoRed|DoGreen|DoBlue); | |
| 131 if (XAllocColor(SDL_Display, | |
| 132 SDL_DisplayColormap, &wanted)) { | |
| 133 ++SDL_iconcolors[wanted.pixel]; | |
| 134 } | |
| 135 color_tried[*p] = 1; | |
| 136 } | |
| 137 } | |
| 138 } | |
| 139 if ( color_tried != NULL ) { | |
| 140 free(color_tried); | |
| 141 } | |
| 142 | |
| 143 /* Translate mask data to LSB order and set the icon mask */ | |
| 144 i = (sicon->w/8)*sicon->h; | |
| 145 LSBmask = (Uint8 *)malloc(i); | |
| 146 if ( LSBmask == NULL ) { | |
| 147 goto done; | |
| 148 } | |
| 149 memset(LSBmask, 0, i); | |
| 150 while ( --i >= 0 ) { | |
| 151 for ( b=0; b<8; ++b ) | |
| 152 LSBmask[i] |= (((mask[i]>>b)&0x01)<<(7-b)); | |
| 153 } | |
| 154 mask_pixmap = XCreatePixmapFromBitmapData(SDL_Display, WMwindow, | |
| 155 LSBmask, sicon->w, sicon->h, 1L, 0L, 1); | |
| 156 | |
| 157 /* Transfer the image to an X11 pixmap */ | |
| 158 icon_image = XCreateImage(SDL_Display, | |
| 159 DefaultVisual(SDL_Display, SDL_Screen), | |
| 160 DefaultDepth(SDL_Display, SDL_Screen), | |
| 161 ZPixmap, 0, (char *)sicon->pixels, sicon->w, sicon->h, | |
| 162 ((sicon->format)->BytesPerPixel == 3) ? 32 : | |
| 163 (sicon->format)->BytesPerPixel*8, 0); | |
| 164 icon_pixmap = XCreatePixmap(SDL_Display, SDL_Root, sicon->w, sicon->h, | |
| 165 DefaultDepth(SDL_Display, SDL_Screen)); | |
| 166 GC = XCreateGC(SDL_Display, icon_pixmap, 0, &GCvalues); | |
| 167 XPutImage(SDL_Display, icon_pixmap, GC, icon_image, | |
| 168 0, 0, 0, 0, sicon->w, sicon->h); | |
| 169 XFreeGC(SDL_Display, GC); | |
| 170 XDestroyImage(icon_image); | |
| 171 free(LSBmask); | |
| 172 sicon->pixels = NULL; | |
| 173 | |
| 174 #ifdef USE_ICON_WINDOW | |
| 175 /* Create an icon window and set the pixmap as its background */ | |
| 176 icon_window = XCreateSimpleWindow(SDL_Display, SDL_Root, | |
| 177 0, 0, sicon->w, sicon->h, 0, | |
| 178 CopyFromParent, CopyFromParent); | |
| 179 XSetWindowBackgroundPixmap(SDL_Display, icon_window, icon_pixmap); | |
| 180 XClearWindow(SDL_Display, icon_window); | |
| 181 #endif | |
| 182 | |
| 183 /* Set the window icon to the icon pixmap (and icon window) */ | |
| 184 wmhints = XAllocWMHints(); | |
| 185 wmhints->flags = (IconPixmapHint | IconMaskHint); | |
| 186 wmhints->icon_pixmap = icon_pixmap; | |
| 187 wmhints->icon_mask = mask_pixmap; | |
| 188 #ifdef USE_ICON_WINDOW | |
| 189 wmhints->flags |= IconWindowHint; | |
| 190 wmhints->icon_window = icon_window; | |
| 191 #endif | |
| 192 XSetWMHints(SDL_Display, WMwindow, wmhints); | |
| 193 XFree(wmhints); | |
| 194 XSync(SDL_Display, False); | |
| 195 | |
| 196 done: | |
| 197 SDL_Unlock_EventThread(); | |
| 198 if ( sicon != NULL ) { | |
| 199 SDL_FreeSurface(sicon); | |
| 200 } | |
| 201 #endif | |
| 202 return; | |
| 203 } | |
| 204 | |
| 205 void CGX_SetCaption(_THIS, const char *title, const char *icon) | |
| 206 { | |
| 207 if(SDL_Window) | |
| 208 SetWindowTitles(SDL_Window,(char *)title,NULL); | |
| 209 } | |
| 210 | |
| 211 /* Iconify the window */ | |
| 212 int CGX_IconifyWindow(_THIS) | |
| 213 { | |
| 214 #if 0 | |
| 215 int result; | |
| 216 | |
| 217 SDL_Lock_EventThread(); | |
| 218 result = XIconifyWindow(SDL_Display, WMwindow, SDL_Screen); | |
| 219 XSync(SDL_Display, False); | |
| 220 SDL_Unlock_EventThread(); | |
| 221 return(result); | |
| 222 #else | |
| 223 return 0; | |
| 224 #endif | |
| 225 } | |
| 226 | |
| 227 #if 0 | |
| 228 SDL_GrabMode X11_GrabInputNoLock(_THIS, SDL_GrabMode mode) | |
| 229 { | |
| 230 int numtries, result; | |
| 231 | |
| 232 if ( this->screen == NULL ) { | |
| 233 return(SDL_GRAB_OFF); | |
| 234 } | |
| 235 if ( ! SDL_Window ) { | |
| 236 return(mode); /* Will be set later on mode switch */ | |
| 237 } | |
| 238 if ( mode == SDL_GRAB_OFF ) { | |
| 239 XUngrabPointer(SDL_Display, CurrentTime); | |
| 240 if ( this->screen->flags & SDL_FULLSCREEN ) { | |
| 241 /* Rebind the mouse to the fullscreen window */ | |
| 242 for ( numtries = 0; numtries < 10; ++numtries ) { | |
| 243 result = XGrabPointer(SDL_Display, FSwindow, | |
| 244 True, 0, | |
| 245 GrabModeAsync, GrabModeAsync, | |
| 246 FSwindow, None, CurrentTime); | |
| 247 if ( result == AlreadyGrabbed ) { | |
| 248 break; | |
| 249 } | |
| 250 SDL_Delay(100); | |
| 251 } | |
| 252 } | |
| 253 #ifdef GRAB_FULLSCREEN | |
| 254 if ( !(this->screen->flags & SDL_FULLSCREEN) ) | |
| 255 #endif | |
| 256 XUngrabKeyboard(SDL_Display, CurrentTime); | |
| 257 } else { | |
| 258 if ( this->screen->flags & SDL_FULLSCREEN ) { | |
| 259 /* Unbind the mouse from the fullscreen window */ | |
| 260 XUngrabPointer(SDL_Display, CurrentTime); | |
| 261 } | |
| 262 /* Try to grab the mouse */ | |
| 263 for ( numtries = 0; numtries < 10; ++numtries ) { | |
| 264 result = XGrabPointer(SDL_Display, SDL_Window, True, 0, | |
| 265 GrabModeAsync, GrabModeAsync, | |
| 266 SDL_Window, None, CurrentTime); | |
| 267 if ( result != AlreadyGrabbed ) { | |
| 268 break; | |
| 269 } | |
| 270 SDL_Delay(100); | |
| 271 } | |
| 272 #ifdef GRAB_FULLSCREEN | |
| 273 if ( !(this->screen->flags & SDL_FULLSCREEN) ) | |
| 274 #endif | |
| 275 XGrabKeyboard(SDL_Display, WMwindow, True, | |
| 276 GrabModeAsync, GrabModeAsync, CurrentTime); | |
| 277 } | |
| 278 XSync(SDL_Display, False); | |
| 279 | |
| 280 return(mode); | |
| 281 } | |
| 282 | |
| 283 SDL_GrabMode X11_GrabInput(_THIS, SDL_GrabMode mode) | |
| 284 { | |
| 285 SDL_Lock_EventThread(); | |
| 286 mode = X11_GrabInputNoLock(this, mode); | |
| 287 SDL_Unlock_EventThread(); | |
| 288 | |
| 289 return(mode); | |
| 290 } | |
| 291 | |
| 292 /* If 'info' is the right version, this function fills it and returns 1. | |
| 293 Otherwise, in case of a version mismatch, it returns -1. | |
| 294 */ | |
| 295 static void lock_display(void) | |
| 296 { | |
| 297 SDL_Lock_EventThread(); | |
| 298 } | |
| 299 static void unlock_display(void) | |
| 300 { | |
| 301 /* Make sure any X11 transactions are completed */ | |
| 302 SDL_VideoDevice *this = current_video; | |
| 303 XSync(SDL_Display, False); | |
| 304 SDL_Unlock_EventThread(); | |
| 305 } | |
| 306 | |
| 307 #endif | |
| 308 | |
| 309 int CGX_GetWMInfo(_THIS, SDL_SysWMinfo *info) | |
| 310 { | |
| 311 if ( info->version.major <= SDL_MAJOR_VERSION ) { | |
| 312 #if 0 | |
| 313 info->subsystem = SDL_SYSWM_X11; | |
| 314 info->info.x11.display = SDL_Display; | |
| 315 info->info.x11.window = SDL_Window; | |
| 316 if ( SDL_VERSIONNUM(info->version.major, | |
| 317 info->version.minor, | |
| 318 info->version.patch) >= 1002 ) { | |
| 319 info->info.x11.fswindow = FSwindow; | |
| 320 info->info.x11.wmwindow = WMwindow; | |
| 321 } | |
| 322 info->info.x11.lock_func = lock_display; | |
| 323 info->info.x11.unlock_func = unlock_display; | |
| 324 #endif | |
| 325 return(1); | |
| 326 } else { | |
| 327 SDL_SetError("Application not compiled with SDL %d.%d\n", | |
| 328 SDL_MAJOR_VERSION, SDL_MINOR_VERSION); | |
| 329 return(-1); | |
| 330 } | |
| 331 } |