Mercurial > sdl-ios-xcode
annotate src/video/x11/SDL_x11video.c @ 1765:c2c6ff414ef5
Fixed bug #45
Improved Xinerama support.
Added support for the SDL_VIDEO_FULLSCREEN_HEAD environment variable, currently supported on X11 Xinerama configurations.
Only use the VidMode extension on the primary head.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Thu, 04 May 2006 16:51:07 +0000 |
| parents | 5cf11b00b900 |
| children | ae9f6be81810 |
| 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 |
| 24 /* X11 based SDL video driver implementation. | |
| 25 Note: This implementation does not currently need X11 thread locking, | |
| 26 since the event thread uses a separate X connection and any | |
| 27 additional locking necessary is handled internally. However, | |
| 28 if full locking is neccessary, take a look at XInitThreads(). | |
| 29 */ | |
| 30 | |
| 31 #include <unistd.h> | |
| 32 #include <sys/ioctl.h> | |
| 33 #ifdef MTRR_SUPPORT | |
| 34 #include <asm/mtrr.h> | |
| 35 #include <sys/fcntl.h> | |
| 36 #endif | |
| 37 | |
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38 #include "SDL_endian.h" |
| 0 | 39 #include "SDL_timer.h" |
| 40 #include "SDL_thread.h" | |
| 41 #include "SDL_video.h" | |
| 42 #include "SDL_mouse.h" | |
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43 #include "../SDL_sysvideo.h" |
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44 #include "../SDL_pixels_c.h" |
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45 #include "../../events/SDL_events_c.h" |
| 0 | 46 #include "SDL_x11video.h" |
| 47 #include "SDL_x11wm_c.h" | |
| 48 #include "SDL_x11mouse_c.h" | |
| 49 #include "SDL_x11events_c.h" | |
| 50 #include "SDL_x11modes_c.h" | |
| 51 #include "SDL_x11image_c.h" | |
| 52 #include "SDL_x11yuv_c.h" | |
| 53 #include "SDL_x11gl_c.h" | |
| 54 #include "SDL_x11gamma_c.h" | |
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55 #include "../blank_cursor.h" |
| 0 | 56 |
| 57 /* Initialization/Query functions */ | |
| 58 static int X11_VideoInit(_THIS, SDL_PixelFormat *vformat); | |
| 59 static SDL_Surface *X11_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags); | |
| 60 static int X11_ToggleFullScreen(_THIS, int on); | |
| 61 static void X11_UpdateMouse(_THIS); | |
| 62 static int X11_SetColors(_THIS, int firstcolor, int ncolors, | |
| 63 SDL_Color *colors); | |
| 64 static int X11_SetGammaRamp(_THIS, Uint16 *ramp); | |
| 65 static void X11_VideoQuit(_THIS); | |
| 66 | |
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67 |
| 0 | 68 /* X11 driver bootstrap functions */ |
| 69 | |
| 70 static int X11_Available(void) | |
| 71 { | |
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72 Display *display = NULL; |
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73 if ( SDL_X11_LoadSymbols() ) { |
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74 display = XOpenDisplay(NULL); |
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75 if ( display != NULL ) { |
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76 XCloseDisplay(display); |
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77 } |
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78 SDL_X11_UnloadSymbols(); |
| 0 | 79 } |
| 80 return(display != NULL); | |
| 81 } | |
| 82 | |
| 83 static void X11_DeleteDevice(SDL_VideoDevice *device) | |
| 84 { | |
| 85 if ( device ) { | |
| 86 if ( device->hidden ) { | |
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87 SDL_free(device->hidden); |
| 0 | 88 } |
| 89 if ( device->gl_data ) { | |
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90 SDL_free(device->gl_data); |
| 0 | 91 } |
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92 SDL_free(device); |
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93 SDL_X11_UnloadSymbols(); |
| 0 | 94 } |
| 95 } | |
| 96 | |
| 97 static SDL_VideoDevice *X11_CreateDevice(int devindex) | |
| 98 { | |
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99 SDL_VideoDevice *device = NULL; |
| 0 | 100 |
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101 if ( SDL_X11_LoadSymbols() ) { |
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102 /* Initialize all variables that we clean on shutdown */ |
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103 device = (SDL_VideoDevice *)SDL_malloc(sizeof(SDL_VideoDevice)); |
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104 if ( device ) { |
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105 SDL_memset(device, 0, (sizeof *device)); |
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106 device->hidden = (struct SDL_PrivateVideoData *) |
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107 SDL_malloc((sizeof *device->hidden)); |
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108 device->gl_data = (struct SDL_PrivateGLData *) |
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109 SDL_malloc((sizeof *device->gl_data)); |
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110 } |
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111 if ( (device == NULL) || (device->hidden == NULL) || |
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112 (device->gl_data == NULL) ) { |
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113 SDL_OutOfMemory(); |
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114 X11_DeleteDevice(device); /* calls SDL_X11_UnloadSymbols(). */ |
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115 return(0); |
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116 } |
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117 SDL_memset(device->hidden, 0, (sizeof *device->hidden)); |
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118 SDL_memset(device->gl_data, 0, (sizeof *device->gl_data)); |
| 0 | 119 |
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120 /* Set the driver flags */ |
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121 device->handles_any_size = 1; |
| 0 | 122 |
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123 /* Set the function pointers */ |
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124 device->VideoInit = X11_VideoInit; |
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125 device->ListModes = X11_ListModes; |
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126 device->SetVideoMode = X11_SetVideoMode; |
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127 device->ToggleFullScreen = X11_ToggleFullScreen; |
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128 device->UpdateMouse = X11_UpdateMouse; |
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129 #if SDL_VIDEO_DRIVER_X11_XV |
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130 device->CreateYUVOverlay = X11_CreateYUVOverlay; |
| 0 | 131 #endif |
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132 device->SetColors = X11_SetColors; |
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133 device->UpdateRects = NULL; |
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134 device->VideoQuit = X11_VideoQuit; |
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135 device->AllocHWSurface = X11_AllocHWSurface; |
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136 device->CheckHWBlit = NULL; |
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137 device->FillHWRect = NULL; |
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138 device->SetHWColorKey = NULL; |
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139 device->SetHWAlpha = NULL; |
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140 device->LockHWSurface = X11_LockHWSurface; |
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141 device->UnlockHWSurface = X11_UnlockHWSurface; |
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142 device->FlipHWSurface = X11_FlipHWSurface; |
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143 device->FreeHWSurface = X11_FreeHWSurface; |
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144 device->SetGamma = X11_SetVidModeGamma; |
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145 device->GetGamma = X11_GetVidModeGamma; |
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146 device->SetGammaRamp = X11_SetGammaRamp; |
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147 device->GetGammaRamp = NULL; |
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148 #if SDL_VIDEO_OPENGL_GLX |
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149 device->GL_LoadLibrary = X11_GL_LoadLibrary; |
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150 device->GL_GetProcAddress = X11_GL_GetProcAddress; |
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151 device->GL_GetAttribute = X11_GL_GetAttribute; |
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152 device->GL_MakeCurrent = X11_GL_MakeCurrent; |
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153 device->GL_SwapBuffers = X11_GL_SwapBuffers; |
| 0 | 154 #endif |
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155 device->SetCaption = X11_SetCaption; |
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156 device->SetIcon = X11_SetIcon; |
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157 device->IconifyWindow = X11_IconifyWindow; |
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158 device->GrabInput = X11_GrabInput; |
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159 device->GetWMInfo = X11_GetWMInfo; |
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160 device->FreeWMCursor = X11_FreeWMCursor; |
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161 device->CreateWMCursor = X11_CreateWMCursor; |
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162 device->ShowWMCursor = X11_ShowWMCursor; |
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163 device->WarpWMCursor = X11_WarpWMCursor; |
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164 device->CheckMouseMode = X11_CheckMouseMode; |
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165 device->InitOSKeymap = X11_InitOSKeymap; |
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166 device->PumpEvents = X11_PumpEvents; |
| 0 | 167 |
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168 device->free = X11_DeleteDevice; |
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169 } |
| 0 | 170 |
| 171 return device; | |
| 172 } | |
| 173 | |
| 174 VideoBootStrap X11_bootstrap = { | |
| 175 "x11", "X Window System", | |
| 176 X11_Available, X11_CreateDevice | |
| 177 }; | |
| 178 | |
| 179 /* Normal X11 error handler routine */ | |
| 180 static int (*X_handler)(Display *, XErrorEvent *) = NULL; | |
| 181 static int x_errhandler(Display *d, XErrorEvent *e) | |
| 182 { | |
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183 #if SDL_VIDEO_DRIVER_X11_VIDMODE |
| 0 | 184 extern int vm_error; |
| 185 #endif | |
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186 #if SDL_VIDEO_DRIVER_X11_DGAMOUSE |
| 0 | 187 extern int dga_error; |
| 188 #endif | |
| 189 | |
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190 #if SDL_VIDEO_DRIVER_X11_VIDMODE |
| 0 | 191 /* VidMode errors are non-fatal. :) */ |
| 192 /* Are the errors offset by one from the error base? | |
| 193 e.g. the error base is 143, the code is 148, and the | |
| 194 actual error is XF86VidModeExtensionDisabled (4) ? | |
| 195 */ | |
| 196 if ( (vm_error >= 0) && | |
| 197 (((e->error_code == BadRequest)&&(e->request_code == vm_error)) || | |
| 198 ((e->error_code > vm_error) && | |
| 199 (e->error_code <= (vm_error+XF86VidModeNumberErrors)))) ) { | |
| 1765 | 200 #ifdef X11_DEBUG |
| 0 | 201 { char errmsg[1024]; |
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202 XGetErrorText(d, e->error_code, errmsg, sizeof(errmsg)); |
| 0 | 203 printf("VidMode error: %s\n", errmsg); |
| 204 } | |
| 205 #endif | |
| 206 return(0); | |
| 207 } | |
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208 #endif /* SDL_VIDEO_DRIVER_X11_VIDMODE */ |
| 0 | 209 |
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210 #if SDL_VIDEO_DRIVER_X11_DGAMOUSE |
| 0 | 211 /* DGA errors can be non-fatal. :) */ |
| 212 if ( (dga_error >= 0) && | |
| 213 ((e->error_code > dga_error) && | |
| 214 (e->error_code <= (dga_error+XF86DGANumberErrors))) ) { | |
| 1765 | 215 #ifdef X11_DEBUG |
| 0 | 216 { char errmsg[1024]; |
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217 XGetErrorText(d, e->error_code, errmsg, sizeof(errmsg)); |
| 0 | 218 printf("DGA error: %s\n", errmsg); |
| 219 } | |
| 220 #endif | |
| 221 return(0); | |
| 222 } | |
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223 #endif /* SDL_VIDEO_DRIVER_X11_DGAMOUSE */ |
| 0 | 224 |
| 225 return(X_handler(d,e)); | |
| 226 } | |
| 227 | |
| 228 /* X11 I/O error handler routine */ | |
| 229 static int (*XIO_handler)(Display *) = NULL; | |
| 230 static int xio_errhandler(Display *d) | |
| 231 { | |
| 232 /* Ack! Lost X11 connection! */ | |
| 233 | |
| 234 /* We will crash if we try to clean up our display */ | |
| 235 if ( current_video->hidden->Ximage ) { | |
| 236 SDL_VideoSurface->pixels = NULL; | |
| 237 } | |
| 238 current_video->hidden->X11_Display = NULL; | |
| 239 | |
| 240 /* Continue with the standard X11 error handler */ | |
| 241 return(XIO_handler(d)); | |
| 242 } | |
| 243 | |
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244 static int (*Xext_handler)(Display *, _Xconst char *, _Xconst char *) = NULL; |
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245 static int xext_errhandler(Display *d, _Xconst char *ext, _Xconst char *reason) |
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246 { |
| 1765 | 247 #ifdef X11_DEBUG |
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248 printf("Xext error inside SDL (may be harmless):\n"); |
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249 printf(" Extension \"%s\" %s on display \"%s\".\n", |
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250 ext, reason, XDisplayString(d)); |
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251 #endif |
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252 |
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253 if (SDL_strcmp(reason, "missing") == 0) { |
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254 /* |
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255 * Since the query itself, elsewhere, can handle a missing extension |
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256 * and the default behaviour in Xlib is to write to stderr, which |
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257 * generates unnecessary bug reports, we just ignore these. |
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258 */ |
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259 return 0; |
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260 } |
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261 |
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262 /* Everything else goes to the default handler... */ |
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263 return Xext_handler(d, ext, reason); |
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264 } |
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265 |
| 1325 | 266 /* Find out what class name we should use */ |
| 267 static char *get_classname(char *classname, int maxlen) | |
| 268 { | |
| 269 char *spot; | |
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270 #if defined(__LINUX__) || defined(__FREEBSD__) |
| 1325 | 271 char procfile[1024]; |
| 272 char linkfile[1024]; | |
| 273 int linksize; | |
| 274 #endif | |
| 275 | |
| 276 /* First allow environment variable override */ | |
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277 spot = SDL_getenv("SDL_VIDEO_X11_WMCLASS"); |
| 1325 | 278 if ( spot ) { |
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279 SDL_strlcpy(classname, spot, maxlen); |
| 1325 | 280 return classname; |
| 281 } | |
| 282 | |
| 283 /* Next look at the application's executable name */ | |
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284 #if defined(__LINUX__) || defined(__FREEBSD__) |
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285 #if defined(__LINUX__) |
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286 SDL_snprintf(procfile, SDL_arraysize(procfile), "/proc/%d/exe", getpid()); |
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287 #elif defined(__FREEBSD__) |
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288 SDL_snprintf(procfile, SDL_arraysize(procfile), "/proc/%d/file", getpid()); |
| 1325 | 289 #else |
| 290 #error Where can we find the executable name? | |
| 291 #endif | |
| 292 linksize = readlink(procfile, linkfile, sizeof(linkfile)-1); | |
| 293 if ( linksize > 0 ) { | |
| 294 linkfile[linksize] = '\0'; | |
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295 spot = SDL_strrchr(linkfile, '/'); |
| 1325 | 296 if ( spot ) { |
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297 SDL_strlcpy(classname, spot+1, maxlen); |
| 1325 | 298 } else { |
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299 SDL_strlcpy(classname, linkfile, maxlen); |
| 1325 | 300 } |
| 301 return classname; | |
| 302 } | |
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303 #endif /* __LINUX__ */ |
| 1325 | 304 |
| 305 /* Finally use the default we've used forever */ | |
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306 SDL_strlcpy(classname, "SDL_App", maxlen); |
| 1325 | 307 return classname; |
| 308 } | |
| 309 | |
| 0 | 310 /* Create auxiliary (toplevel) windows with the current visual */ |
| 311 static void create_aux_windows(_THIS) | |
| 312 { | |
| 1765 | 313 int x = 0, y = 0; |
| 1558 | 314 Atom _NET_WM_NAME; |
| 315 Atom _NET_WM_ICON_NAME; | |
| 1325 | 316 char classname[1024]; |
| 0 | 317 XSetWindowAttributes xattr; |
| 318 XWMHints *hints; | |
| 1558 | 319 XTextProperty titleprop, titlepropUTF8, iconprop, iconpropUTF8; |
| 0 | 320 int def_vis = (SDL_Visual == DefaultVisual(SDL_Display, SDL_Screen)); |
| 321 | |
| 1558 | 322 /* Look up some useful Atoms */ |
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323 WM_DELETE_WINDOW = XInternAtom(SDL_Display, "WM_DELETE_WINDOW", False); |
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324 _NET_WM_NAME = XInternAtom(SDL_Display, "_NET_WM_NAME", False); |
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325 _NET_WM_ICON_NAME = XInternAtom(SDL_Display, "_NET_WM_ICON_NAME", False); |
| 1558 | 326 |
| 0 | 327 /* Don't create any extra windows if we are being managed */ |
| 328 if ( SDL_windowid ) { | |
| 329 FSwindow = 0; | |
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330 WMwindow = SDL_strtol(SDL_windowid, NULL, 0); |
| 0 | 331 return; |
| 332 } | |
| 333 | |
| 334 if(FSwindow) | |
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335 XDestroyWindow(SDL_Display, FSwindow); |
| 0 | 336 |
| 1765 | 337 #if SDL_VIDEO_DRIVER_X11_VIDMODE |
| 338 if ( use_xinerama ) { | |
| 339 x = xinerama_info.x_org; | |
| 340 y = xinerama_info.y_org; | |
| 341 } | |
| 342 #endif | |
| 0 | 343 xattr.override_redirect = True; |
| 344 xattr.background_pixel = def_vis ? BlackPixel(SDL_Display, SDL_Screen) : 0; | |
| 345 xattr.border_pixel = 0; | |
| 346 xattr.colormap = SDL_XColorMap; | |
| 347 | |
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348 FSwindow = XCreateWindow(SDL_Display, SDL_Root, |
| 1765 | 349 x, y, 32, 32, 0, |
| 0 | 350 this->hidden->depth, InputOutput, SDL_Visual, |
| 351 CWOverrideRedirect | CWBackPixel | CWBorderPixel | |
| 352 | CWColormap, | |
| 353 &xattr); | |
| 354 | |
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355 XSelectInput(SDL_Display, FSwindow, StructureNotifyMask); |
| 0 | 356 |
| 357 /* Tell KDE to keep the fullscreen window on top */ | |
| 358 { | |
| 359 XEvent ev; | |
| 360 long mask; | |
| 361 | |
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362 SDL_memset(&ev, 0, sizeof(ev)); |
| 0 | 363 ev.xclient.type = ClientMessage; |
| 364 ev.xclient.window = SDL_Root; | |
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365 ev.xclient.message_type = XInternAtom(SDL_Display, |
| 0 | 366 "KWM_KEEP_ON_TOP", False); |
| 367 ev.xclient.format = 32; | |
| 368 ev.xclient.data.l[0] = FSwindow; | |
| 369 ev.xclient.data.l[1] = CurrentTime; | |
| 370 mask = SubstructureRedirectMask; | |
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371 XSendEvent(SDL_Display, SDL_Root, False, mask, &ev); |
| 0 | 372 } |
| 373 | |
| 374 hints = NULL; | |
| 1558 | 375 titleprop.value = titlepropUTF8.value = NULL; |
| 376 iconprop.value = iconpropUTF8.value = NULL; | |
| 0 | 377 if(WMwindow) { |
| 378 /* All window attributes must survive the recreation */ | |
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379 hints = XGetWMHints(SDL_Display, WMwindow); |
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380 XGetTextProperty(SDL_Display, WMwindow, &titleprop, XA_WM_NAME); |
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381 XGetTextProperty(SDL_Display, WMwindow, &titlepropUTF8, _NET_WM_NAME); |
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382 XGetTextProperty(SDL_Display, WMwindow, &iconprop, XA_WM_ICON_NAME); |
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383 XGetTextProperty(SDL_Display, WMwindow, &iconpropUTF8, _NET_WM_ICON_NAME); |
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384 XDestroyWindow(SDL_Display, WMwindow); |
| 0 | 385 } |
| 386 | |
| 387 /* Create the window for windowed management */ | |
| 388 /* (reusing the xattr structure above) */ | |
| 1765 | 389 WMwindow = XCreateWindow(SDL_Display, SDL_Root, |
| 390 x, y, 32, 32, 0, | |
| 0 | 391 this->hidden->depth, InputOutput, SDL_Visual, |
| 392 CWBackPixel | CWBorderPixel | CWColormap, | |
| 393 &xattr); | |
| 394 | |
| 395 /* Set the input hints so we get keyboard input */ | |
| 396 if(!hints) { | |
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397 hints = XAllocWMHints(); |
| 0 | 398 hints->input = True; |
| 399 hints->flags = InputHint; | |
| 400 } | |
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401 XSetWMHints(SDL_Display, WMwindow, hints); |
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402 XFree(hints); |
| 0 | 403 if(titleprop.value) { |
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404 XSetTextProperty(SDL_Display, WMwindow, &titleprop, XA_WM_NAME); |
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405 XFree(titleprop.value); |
| 0 | 406 } |
| 1558 | 407 if(titlepropUTF8.value) { |
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408 XSetTextProperty(SDL_Display, WMwindow, &titlepropUTF8, _NET_WM_NAME); |
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409 XFree(titlepropUTF8.value); |
| 1558 | 410 } |
| 0 | 411 if(iconprop.value) { |
|
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412 XSetTextProperty(SDL_Display, WMwindow, &iconprop, XA_WM_ICON_NAME); |
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413 XFree(iconprop.value); |
| 0 | 414 } |
| 1558 | 415 if(iconpropUTF8.value) { |
|
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416 XSetTextProperty(SDL_Display, WMwindow, &iconpropUTF8, _NET_WM_ICON_NAME); |
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417 XFree(iconpropUTF8.value); |
| 1558 | 418 } |
| 0 | 419 |
|
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420 XSelectInput(SDL_Display, WMwindow, |
| 0 | 421 FocusChangeMask | KeyPressMask | KeyReleaseMask |
| 422 | PropertyChangeMask | StructureNotifyMask | KeymapStateMask); | |
| 423 | |
| 424 /* Set the class hints so we can get an icon (AfterStep) */ | |
| 1325 | 425 get_classname(classname, sizeof(classname)); |
| 0 | 426 { |
| 427 XClassHint *classhints; | |
|
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428 classhints = XAllocClassHint(); |
| 0 | 429 if(classhints != NULL) { |
|
449
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430 classhints->res_name = classname; |
|
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431 classhints->res_class = classname; |
|
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432 XSetClassHint(SDL_Display, WMwindow, classhints); |
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433 XFree(classhints); |
| 0 | 434 } |
| 435 } | |
| 436 | |
|
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437 /* Setup the communication with the IM server */ |
|
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438 SDL_IM = NULL; |
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439 SDL_IC = NULL; |
|
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440 |
|
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441 #ifdef X_HAVE_UTF8_STRING |
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442 if (SDL_X11_HAVE_UTF8) { |
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443 SDL_IM = XOpenIM(SDL_Display, NULL, classname, classname); |
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444 if (SDL_IM == NULL) { |
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445 SDL_SetError("no input method could be opened"); |
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446 } else { |
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447 SDL_IC = pXCreateIC(SDL_IM, |
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448 XNClientWindow, WMwindow, |
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449 XNFocusWindow, WMwindow, |
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450 XNInputStyle, XIMPreeditNothing | XIMStatusNothing, |
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451 XNResourceName, classname, |
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452 XNResourceClass, classname, |
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453 NULL); |
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454 |
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455 if (SDL_IC == NULL) { |
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456 SDL_SetError("no input context could be created"); |
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457 XCloseIM(SDL_IM); |
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458 SDL_IM = NULL; |
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459 } |
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460 } |
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461 } |
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462 #endif |
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463 |
|
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464 /* Allow the window to be deleted by the window manager */ |
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465 XSetWMProtocols(SDL_Display, WMwindow, &WM_DELETE_WINDOW, 1); |
| 0 | 466 } |
| 467 | |
| 468 static int X11_VideoInit(_THIS, SDL_PixelFormat *vformat) | |
| 469 { | |
| 470 char *display; | |
| 471 int i; | |
| 472 | |
| 473 /* Open the X11 display */ | |
| 474 display = NULL; /* Get it from DISPLAY environment variable */ | |
| 475 | |
|
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476 if ( (SDL_strncmp(XDisplayName(display), ":", 1) == 0) || |
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477 (SDL_strncmp(XDisplayName(display), "unix:", 5) == 0) ) { |
| 0 | 478 local_X11 = 1; |
| 479 } else { | |
| 480 local_X11 = 0; | |
| 481 } | |
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482 SDL_Display = XOpenDisplay(display); |
|
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483 #if defined(__osf__) && defined(SDL_VIDEO_DRIVER_X11_DYNAMIC) |
|
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Corrects dynamic X11 code on Tru64 systems.
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484 /* On Tru64 if linking without -lX11, it fails and you get following message. |
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485 * Xlib: connection to ":0.0" refused by server |
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486 * Xlib: XDM authorization key matches an existing client! |
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487 * |
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488 * It succeeds if retrying 1 second later |
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489 * or if running xhost +localhost on shell. |
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490 * |
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491 */ |
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492 if ( SDL_Display == NULL ) { |
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493 SDL_Delay(1000); |
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494 SDL_Display = XOpenDisplay(display); |
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495 } |
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496 #endif |
| 0 | 497 if ( SDL_Display == NULL ) { |
| 498 SDL_SetError("Couldn't open X11 display"); | |
| 499 return(-1); | |
| 500 } | |
| 501 #ifdef X11_DEBUG | |
|
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502 XSynchronize(SDL_Display, True); |
| 0 | 503 #endif |
| 504 | |
| 505 /* Create an alternate X display for graphics updates -- allows us | |
| 506 to do graphics updates in a separate thread from event handling. | |
| 507 Thread-safe X11 doesn't seem to exist. | |
| 508 */ | |
|
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509 GFX_Display = XOpenDisplay(display); |
| 0 | 510 if ( GFX_Display == NULL ) { |
| 511 SDL_SetError("Couldn't open X11 display"); | |
| 512 return(-1); | |
| 513 } | |
| 514 | |
| 515 /* Set the normal X error handler */ | |
|
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516 X_handler = XSetErrorHandler(x_errhandler); |
| 0 | 517 |
| 518 /* Set the error handler if we lose the X display */ | |
|
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519 XIO_handler = XSetIOErrorHandler(xio_errhandler); |
| 0 | 520 |
|
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521 /* Set the X extension error handler */ |
|
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522 Xext_handler = XSetExtensionErrorHandler(xext_errhandler); |
|
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523 |
| 0 | 524 /* use default screen (from $DISPLAY) */ |
| 525 SDL_Screen = DefaultScreen(SDL_Display); | |
| 526 | |
| 527 #ifndef NO_SHARED_MEMORY | |
| 528 /* Check for MIT shared memory extension */ | |
|
556
08588ee79a67
Fixed compile error if there is no X11 shared memory support.
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|
529 use_mitshm = 0; |
| 0 | 530 if ( local_X11 ) { |
|
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531 use_mitshm = XShmQueryExtension(SDL_Display); |
| 0 | 532 } |
| 533 #endif /* NO_SHARED_MEMORY */ | |
| 534 | |
| 535 /* Get the available video modes */ | |
| 536 if(X11_GetVideoModes(this) < 0) | |
| 537 return -1; | |
| 538 | |
|
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Added current_w and current_h to the SDL_VideoInfo structure, which is set to the desktop resolution during video intialization, and then set to the current resolution when a video mode is set.
Sam Lantinga <slouken@libsdl.org>
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|
539 /* Determine the current screen size */ |
|
8d9bb0cf2c2a
Added current_w and current_h to the SDL_VideoInfo structure, which is set to the desktop resolution during video intialization, and then set to the current resolution when a video mode is set.
Sam Lantinga <slouken@libsdl.org>
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diff
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|
540 this->info.current_w = DisplayWidth(SDL_Display, SDL_Screen); |
|
8d9bb0cf2c2a
Added current_w and current_h to the SDL_VideoInfo structure, which is set to the desktop resolution during video intialization, and then set to the current resolution when a video mode is set.
Sam Lantinga <slouken@libsdl.org>
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541 this->info.current_h = DisplayHeight(SDL_Display, SDL_Screen); |
|
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Added current_w and current_h to the SDL_VideoInfo structure, which is set to the desktop resolution during video intialization, and then set to the current resolution when a video mode is set.
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|
542 |
| 0 | 543 /* Determine the default screen depth: |
| 544 Use the default visual (or at least one with the same depth) */ | |
| 545 SDL_DisplayColormap = DefaultColormap(SDL_Display, SDL_Screen); | |
| 546 for(i = 0; i < this->hidden->nvisuals; i++) | |
| 547 if(this->hidden->visuals[i].depth == DefaultDepth(SDL_Display, | |
| 548 SDL_Screen)) | |
| 549 break; | |
| 550 if(i == this->hidden->nvisuals) { | |
| 551 /* default visual was useless, take the deepest one instead */ | |
| 552 i = 0; | |
| 553 } | |
| 554 SDL_Visual = this->hidden->visuals[i].visual; | |
| 555 if ( SDL_Visual == DefaultVisual(SDL_Display, SDL_Screen) ) { | |
| 556 SDL_XColorMap = SDL_DisplayColormap; | |
| 557 } else { | |
|
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|
558 SDL_XColorMap = XCreateColormap(SDL_Display, SDL_Root, |
| 0 | 559 SDL_Visual, AllocNone); |
| 560 } | |
| 561 this->hidden->depth = this->hidden->visuals[i].depth; | |
| 562 vformat->BitsPerPixel = this->hidden->visuals[i].bpp; | |
| 563 if ( vformat->BitsPerPixel > 8 ) { | |
| 564 vformat->Rmask = SDL_Visual->red_mask; | |
| 565 vformat->Gmask = SDL_Visual->green_mask; | |
| 566 vformat->Bmask = SDL_Visual->blue_mask; | |
| 567 } | |
| 1641 | 568 if ( this->hidden->depth == 32 ) { |
| 569 vformat->Amask = (0xFFFFFFFF & ~(vformat->Rmask|vformat->Gmask|vformat->Bmask)); | |
| 570 } | |
| 0 | 571 X11_SaveVidModeGamma(this); |
| 572 | |
| 573 /* See if we have been passed a window to use */ | |
|
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574 SDL_windowid = SDL_getenv("SDL_WINDOWID"); |
| 0 | 575 |
| 576 /* Create the fullscreen and managed windows */ | |
| 577 create_aux_windows(this); | |
| 578 | |
| 579 /* Create the blank cursor */ | |
| 580 SDL_BlankCursor = this->CreateWMCursor(this, blank_cdata, blank_cmask, | |
| 581 BLANK_CWIDTH, BLANK_CHEIGHT, | |
| 582 BLANK_CHOTX, BLANK_CHOTY); | |
| 583 | |
| 584 /* Fill in some window manager capabilities */ | |
| 585 this->info.wm_available = 1; | |
| 586 | |
| 587 /* We're done! */ | |
|
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588 XFlush(SDL_Display); |
| 0 | 589 return(0); |
| 590 } | |
| 591 | |
| 592 static void X11_DestroyWindow(_THIS, SDL_Surface *screen) | |
| 593 { | |
| 594 /* Clean up OpenGL */ | |
| 595 if ( screen ) { | |
| 596 screen->flags &= ~(SDL_OPENGL|SDL_OPENGLBLIT); | |
| 597 } | |
| 598 X11_GL_Shutdown(this); | |
| 599 | |
| 600 if ( ! SDL_windowid ) { | |
| 601 /* Hide the managed window */ | |
| 602 if ( WMwindow ) { | |
|
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603 XUnmapWindow(SDL_Display, WMwindow); |
| 0 | 604 } |
| 605 if ( screen && (screen->flags & SDL_FULLSCREEN) ) { | |
| 606 screen->flags &= ~SDL_FULLSCREEN; | |
| 607 X11_LeaveFullScreen(this); | |
| 608 } | |
| 609 | |
| 610 /* Destroy the output window */ | |
| 611 if ( SDL_Window ) { | |
|
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|
612 XDestroyWindow(SDL_Display, SDL_Window); |
| 0 | 613 } |
| 614 | |
| 615 /* Free the colormap entries */ | |
| 616 if ( SDL_XPixels ) { | |
| 617 int numcolors; | |
| 618 unsigned long pixel; | |
| 619 numcolors = SDL_Visual->map_entries; | |
| 620 for ( pixel=0; pixel<numcolors; ++pixel ) { | |
| 621 while ( SDL_XPixels[pixel] > 0 ) { | |
|
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|
622 XFreeColors(GFX_Display, |
| 0 | 623 SDL_DisplayColormap,&pixel,1,0); |
| 624 --SDL_XPixels[pixel]; | |
| 625 } | |
| 626 } | |
|
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|
627 SDL_free(SDL_XPixels); |
| 0 | 628 SDL_XPixels = NULL; |
| 629 } | |
| 630 | |
| 631 /* Free the graphics context */ | |
| 632 if ( SDL_GC ) { | |
|
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|
633 XFreeGC(SDL_Display, SDL_GC); |
| 0 | 634 SDL_GC = 0; |
| 635 } | |
| 636 } | |
| 637 } | |
| 638 | |
|
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639 static SDL_bool X11_WindowPosition(_THIS, int *x, int *y, int w, int h) |
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640 { |
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641 const char *window = SDL_getenv("SDL_VIDEO_WINDOW_POS"); |
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642 const char *center = SDL_getenv("SDL_VIDEO_CENTERED"); |
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643 if ( window ) { |
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644 if ( SDL_sscanf(window, "%d,%d", x, y) == 2 ) { |
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645 return SDL_TRUE; |
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646 } |
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647 if ( SDL_strcmp(window, "center") == 0 ) { |
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648 center = window; |
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649 } |
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650 } |
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651 if ( center ) { |
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652 *x = (DisplayWidth(SDL_Display, SDL_Screen) - w)/2; |
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653 *y = (DisplayHeight(SDL_Display, SDL_Screen) - h)/2; |
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654 return SDL_TRUE; |
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655 } |
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656 return SDL_FALSE; |
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657 } |
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658 |
| 0 | 659 static void X11_SetSizeHints(_THIS, int w, int h, Uint32 flags) |
| 660 { | |
| 661 XSizeHints *hints; | |
| 662 | |
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663 hints = XAllocSizeHints(); |
| 0 | 664 if ( hints ) { |
| 665 if ( flags & SDL_RESIZABLE ) { | |
| 666 hints->min_width = 32; | |
| 667 hints->min_height = 32; | |
| 668 hints->max_height = 4096; | |
| 669 hints->max_width = 4096; | |
| 670 } else { | |
| 671 hints->min_width = hints->max_width = w; | |
| 672 hints->min_height = hints->max_height = h; | |
| 673 } | |
| 674 hints->flags = PMaxSize | PMinSize; | |
| 675 if ( flags & SDL_FULLSCREEN ) { | |
| 676 hints->x = 0; | |
| 677 hints->y = 0; | |
| 678 hints->flags |= USPosition; | |
| 679 } else | |
| 680 /* Center it, if desired */ | |
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681 if ( X11_WindowPosition(this, &hints->x, &hints->y, w, h) ) { |
| 0 | 682 hints->flags |= USPosition; |
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683 XMoveWindow(SDL_Display, WMwindow, hints->x, hints->y); |
| 0 | 684 |
| 685 /* Flush the resize event so we don't catch it later */ | |
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686 XSync(SDL_Display, True); |
| 0 | 687 } |
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688 XSetWMNormalHints(SDL_Display, WMwindow, hints); |
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689 XFree(hints); |
| 0 | 690 } |
| 691 | |
| 692 /* Respect the window caption style */ | |
| 693 if ( flags & SDL_NOFRAME ) { | |
| 694 SDL_bool set; | |
| 695 Atom WM_HINTS; | |
| 696 | |
| 697 /* We haven't modified the window manager hints yet */ | |
| 698 set = SDL_FALSE; | |
| 699 | |
| 700 /* First try to set MWM hints */ | |
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701 WM_HINTS = XInternAtom(SDL_Display, "_MOTIF_WM_HINTS", True); |
| 0 | 702 if ( WM_HINTS != None ) { |
| 703 /* Hints used by Motif compliant window managers */ | |
| 704 struct { | |
| 705 unsigned long flags; | |
| 706 unsigned long functions; | |
| 707 unsigned long decorations; | |
| 708 long input_mode; | |
| 709 unsigned long status; | |
| 710 } MWMHints = { (1L << 1), 0, 0, 0, 0 }; | |
| 711 | |
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712 XChangeProperty(SDL_Display, WMwindow, |
| 0 | 713 WM_HINTS, WM_HINTS, 32, |
| 714 PropModeReplace, | |
| 715 (unsigned char *)&MWMHints, | |
| 716 sizeof(MWMHints)/sizeof(long)); | |
| 717 set = SDL_TRUE; | |
| 718 } | |
| 719 /* Now try to set KWM hints */ | |
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720 WM_HINTS = XInternAtom(SDL_Display, "KWM_WIN_DECORATION", True); |
| 0 | 721 if ( WM_HINTS != None ) { |
| 722 long KWMHints = 0; | |
| 723 | |
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724 XChangeProperty(SDL_Display, WMwindow, |
| 0 | 725 WM_HINTS, WM_HINTS, 32, |
| 726 PropModeReplace, | |
| 727 (unsigned char *)&KWMHints, | |
| 728 sizeof(KWMHints)/sizeof(long)); | |
| 729 set = SDL_TRUE; | |
| 730 } | |
| 731 /* Now try to set GNOME hints */ | |
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732 WM_HINTS = XInternAtom(SDL_Display, "_WIN_HINTS", True); |
| 0 | 733 if ( WM_HINTS != None ) { |
| 734 long GNOMEHints = 0; | |
| 735 | |
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736 XChangeProperty(SDL_Display, WMwindow, |
| 0 | 737 WM_HINTS, WM_HINTS, 32, |
| 738 PropModeReplace, | |
| 739 (unsigned char *)&GNOMEHints, | |
| 740 sizeof(GNOMEHints)/sizeof(long)); | |
| 741 set = SDL_TRUE; | |
| 742 } | |
| 743 /* Finally set the transient hints if necessary */ | |
| 744 if ( ! set ) { | |
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745 XSetTransientForHint(SDL_Display, WMwindow, SDL_Root); |
| 0 | 746 } |
| 747 } else { | |
| 748 SDL_bool set; | |
| 749 Atom WM_HINTS; | |
| 750 | |
| 751 /* We haven't modified the window manager hints yet */ | |
| 752 set = SDL_FALSE; | |
| 753 | |
| 754 /* First try to unset MWM hints */ | |
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755 WM_HINTS = XInternAtom(SDL_Display, "_MOTIF_WM_HINTS", True); |
| 0 | 756 if ( WM_HINTS != None ) { |
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757 XDeleteProperty(SDL_Display, WMwindow, WM_HINTS); |
| 0 | 758 set = SDL_TRUE; |
| 759 } | |
| 760 /* Now try to unset KWM hints */ | |
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761 WM_HINTS = XInternAtom(SDL_Display, "KWM_WIN_DECORATION", True); |
| 0 | 762 if ( WM_HINTS != None ) { |
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763 XDeleteProperty(SDL_Display, WMwindow, WM_HINTS); |
| 0 | 764 set = SDL_TRUE; |
| 765 } | |
| 766 /* Now try to unset GNOME hints */ | |
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767 WM_HINTS = XInternAtom(SDL_Display, "_WIN_HINTS", True); |
| 0 | 768 if ( WM_HINTS != None ) { |
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769 XDeleteProperty(SDL_Display, WMwindow, WM_HINTS); |
| 0 | 770 set = SDL_TRUE; |
| 771 } | |
| 772 /* Finally unset the transient hints if necessary */ | |
| 773 if ( ! set ) { | |
| 774 /* NOTE: Does this work? */ | |
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775 XSetTransientForHint(SDL_Display, WMwindow, None); |
| 0 | 776 } |
| 777 } | |
| 778 } | |
| 779 | |
| 780 static int X11_CreateWindow(_THIS, SDL_Surface *screen, | |
| 781 int w, int h, int bpp, Uint32 flags) | |
| 782 { | |
| 783 int i, depth; | |
| 784 Visual *vis; | |
| 785 int vis_change; | |
| 1641 | 786 Uint32 Amask; |
| 0 | 787 |
| 788 /* If a window is already present, destroy it and start fresh */ | |
| 789 if ( SDL_Window ) { | |
| 790 X11_DestroyWindow(this, screen); | |
|
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791 switch_waiting = 0; /* Prevent jump back to now-meaningless state. */ |
| 0 | 792 } |
| 793 | |
| 794 /* See if we have been given a window id */ | |
| 795 if ( SDL_windowid ) { | |
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796 SDL_Window = SDL_strtol(SDL_windowid, NULL, 0); |
| 0 | 797 } else { |
| 798 SDL_Window = 0; | |
| 799 } | |
| 800 | |
| 801 /* find out which visual we are going to use */ | |
| 802 if ( flags & SDL_OPENGL ) { | |
| 803 XVisualInfo *vi; | |
| 804 | |
| 805 vi = X11_GL_GetVisual(this); | |
| 806 if( !vi ) { | |
| 807 return -1; | |
| 808 } | |
| 809 vis = vi->visual; | |
| 810 depth = vi->depth; | |
| 811 } else if ( SDL_windowid ) { | |
| 812 XWindowAttributes a; | |
| 813 | |
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814 XGetWindowAttributes(SDL_Display, SDL_Window, &a); |
| 0 | 815 vis = a.visual; |
| 816 depth = a.depth; | |
| 817 } else { | |
| 818 for ( i = 0; i < this->hidden->nvisuals; i++ ) { | |
| 819 if ( this->hidden->visuals[i].bpp == bpp ) | |
| 820 break; | |
| 821 } | |
| 822 if ( i == this->hidden->nvisuals ) { | |
| 823 SDL_SetError("No matching visual for requested depth"); | |
| 824 return -1; /* should never happen */ | |
| 825 } | |
| 826 vis = this->hidden->visuals[i].visual; | |
| 827 depth = this->hidden->visuals[i].depth; | |
| 828 } | |
| 829 #ifdef X11_DEBUG | |
| 830 printf("Choosing %s visual at %d bpp - %d colormap entries\n", vis->class == PseudoColor ? "PseudoColor" : (vis->class == TrueColor ? "TrueColor" : (vis->class == DirectColor ? "DirectColor" : "Unknown")), depth, vis->map_entries); | |
| 831 #endif | |
| 832 vis_change = (vis != SDL_Visual); | |
| 833 SDL_Visual = vis; | |
| 834 this->hidden->depth = depth; | |
| 835 | |
| 836 /* Allocate the new pixel format for this video mode */ | |
| 1641 | 837 if ( this->hidden->depth == 32 ) { |
| 838 Amask = (0xFFFFFFFF & ~(vis->red_mask|vis->green_mask|vis->blue_mask)); | |
| 839 } else { | |
| 840 Amask = 0; | |
| 841 } | |
| 0 | 842 if ( ! SDL_ReallocFormat(screen, bpp, |
| 1641 | 843 vis->red_mask, vis->green_mask, vis->blue_mask, Amask) ) { |
| 0 | 844 return -1; |
| 1641 | 845 } |
| 0 | 846 |
| 847 /* Create the appropriate colormap */ | |
| 848 if ( SDL_XColorMap != SDL_DisplayColormap ) { | |
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849 XFreeColormap(SDL_Display, SDL_XColorMap); |
| 0 | 850 } |
| 851 if ( SDL_Visual->class == PseudoColor ) { | |
| 852 int ncolors; | |
| 853 | |
| 854 /* Allocate the pixel flags */ | |
| 855 ncolors = SDL_Visual->map_entries; | |
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856 SDL_XPixels = SDL_malloc(ncolors * sizeof(int)); |
| 0 | 857 if(SDL_XPixels == NULL) { |
| 858 SDL_OutOfMemory(); | |
| 859 return -1; | |
| 860 } | |
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861 SDL_memset(SDL_XPixels, 0, ncolors * sizeof(*SDL_XPixels)); |
| 0 | 862 |
| 863 /* always allocate a private colormap on non-default visuals */ | |
| 864 if ( SDL_Visual != DefaultVisual(SDL_Display, SDL_Screen) ) { | |
| 865 flags |= SDL_HWPALETTE; | |
| 866 } | |
| 867 if ( flags & SDL_HWPALETTE ) { | |
| 868 screen->flags |= SDL_HWPALETTE; | |
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869 SDL_XColorMap = XCreateColormap(SDL_Display, SDL_Root, |
| 0 | 870 SDL_Visual, AllocAll); |
| 871 } else { | |
| 872 SDL_XColorMap = SDL_DisplayColormap; | |
| 873 } | |
| 874 } else if ( SDL_Visual->class == DirectColor ) { | |
| 875 | |
| 876 /* Create a colormap which we can manipulate for gamma */ | |
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877 SDL_XColorMap = XCreateColormap(SDL_Display, SDL_Root, |
| 0 | 878 SDL_Visual, AllocAll); |
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879 XSync(SDL_Display, False); |
| 0 | 880 |
| 881 /* Initialize the colormap to the identity mapping */ | |
| 882 SDL_GetGammaRamp(0, 0, 0); | |
| 883 this->screen = screen; | |
| 884 X11_SetGammaRamp(this, this->gamma); | |
| 885 this->screen = NULL; | |
| 886 } else { | |
| 887 /* Create a read-only colormap for our window */ | |
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888 SDL_XColorMap = XCreateColormap(SDL_Display, SDL_Root, |
| 0 | 889 SDL_Visual, AllocNone); |
| 890 } | |
| 891 | |
| 892 /* Recreate the auxiliary windows, if needed (required for GL) */ | |
| 893 if ( vis_change ) | |
| 894 create_aux_windows(this); | |
| 895 | |
| 896 if(screen->flags & SDL_HWPALETTE) { | |
| 897 /* Since the full-screen window might have got a nonzero background | |
| 898 colour (0 is white on some displays), we should reset the | |
| 899 background to 0 here since that is what the user expects | |
| 900 with a private colormap */ | |
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901 XSetWindowBackground(SDL_Display, FSwindow, 0); |
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902 XClearWindow(SDL_Display, FSwindow); |
| 0 | 903 } |
| 904 | |
| 905 /* resize the (possibly new) window manager window */ | |
| 906 if( !SDL_windowid ) { | |
| 907 X11_SetSizeHints(this, w, h, flags); | |
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908 window_w = w; |
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909 window_h = h; |
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910 XResizeWindow(SDL_Display, WMwindow, w, h); |
| 0 | 911 } |
| 912 | |
| 913 /* Create (or use) the X11 display window */ | |
| 914 if ( !SDL_windowid ) { | |
| 915 if ( flags & SDL_OPENGL ) { | |
| 916 if ( X11_GL_CreateWindow(this, w, h) < 0 ) { | |
| 917 return(-1); | |
| 918 } | |
| 919 } else { | |
| 920 XSetWindowAttributes swa; | |
| 921 | |
| 922 swa.background_pixel = 0; | |
| 923 swa.border_pixel = 0; | |
| 924 swa.colormap = SDL_XColorMap; | |
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925 SDL_Window = XCreateWindow(SDL_Display, WMwindow, |
| 0 | 926 0, 0, w, h, 0, depth, |
| 927 InputOutput, SDL_Visual, | |
| 928 CWBackPixel | CWBorderPixel | |
| 929 | CWColormap, &swa); | |
| 930 } | |
| 931 /* Only manage our input if we own the window */ | |
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diff
changeset
|
932 XSelectInput(SDL_Display, SDL_Window, |
| 0 | 933 ( EnterWindowMask | LeaveWindowMask |
| 934 | ButtonPressMask | ButtonReleaseMask | |
| 935 | PointerMotionMask | ExposureMask )); | |
| 936 } | |
| 937 /* Create the graphics context here, once we have a window */ | |
| 938 if ( flags & SDL_OPENGL ) { | |
| 939 if ( X11_GL_CreateContext(this) < 0 ) { | |
| 940 return(-1); | |
| 941 } else { | |
| 942 screen->flags |= SDL_OPENGL; | |
| 943 } | |
| 944 } else { | |
| 945 XGCValues gcv; | |
| 946 | |
| 947 gcv.graphics_exposures = False; | |
|
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
|
948 SDL_GC = XCreateGC(SDL_Display, SDL_Window, |
| 0 | 949 GCGraphicsExposures, &gcv); |
| 950 if ( ! SDL_GC ) { | |
| 951 SDL_SetError("Couldn't create graphics context"); | |
| 952 return(-1); | |
| 953 } | |
| 954 } | |
| 955 | |
| 956 /* Set our colormaps when not setting a GL mode */ | |
| 957 if ( ! (flags & SDL_OPENGL) ) { | |
|
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
|
958 XSetWindowColormap(SDL_Display, SDL_Window, SDL_XColorMap); |
| 0 | 959 if( !SDL_windowid ) { |
|
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
|
960 XSetWindowColormap(SDL_Display, FSwindow, SDL_XColorMap); |
|
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
|
961 XSetWindowColormap(SDL_Display, WMwindow, SDL_XColorMap); |
| 0 | 962 } |
| 963 } | |
| 964 | |
| 965 #if 0 /* This is an experiment - are the graphics faster now? - nope. */ | |
|
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1327
diff
changeset
|
966 if ( SDL_getenv("SDL_VIDEO_X11_BACKINGSTORE") ) |
| 0 | 967 #endif |
| 968 /* Cache the window in the server, when possible */ | |
| 969 { | |
| 970 Screen *xscreen; | |
| 971 XSetWindowAttributes a; | |
| 972 | |
| 973 xscreen = ScreenOfDisplay(SDL_Display, SDL_Screen); | |
| 974 a.backing_store = DoesBackingStore(xscreen); | |
| 975 if ( a.backing_store != NotUseful ) { | |
|
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
|
976 XChangeWindowAttributes(SDL_Display, SDL_Window, |
| 0 | 977 CWBackingStore, &a); |
| 978 } | |
| 979 } | |
| 980 | |
| 981 /* Update the internal keyboard state */ | |
| 1327 | 982 X11_SetKeyboardState(SDL_Display, NULL); |
| 0 | 983 |
|
444
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
984 /* When the window is first mapped, ignore non-modifier keys */ |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
985 { |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
986 Uint8 *keys = SDL_GetKeyState(NULL); |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
987 for ( i = 0; i < SDLK_LAST; ++i ) { |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
988 switch (i) { |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
989 case SDLK_NUMLOCK: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
990 case SDLK_CAPSLOCK: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
991 case SDLK_LCTRL: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
992 case SDLK_RCTRL: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
993 case SDLK_LSHIFT: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
994 case SDLK_RSHIFT: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
995 case SDLK_LALT: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
996 case SDLK_RALT: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
997 case SDLK_LMETA: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
998 case SDLK_RMETA: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
999 case SDLK_MODE: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1000 break; |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1001 default: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1002 keys[i] = SDL_RELEASED; |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1003 break; |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1004 } |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1005 } |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1006 } |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
1007 |
| 0 | 1008 /* Map them both and go fullscreen, if requested */ |
| 1009 if ( ! SDL_windowid ) { | |
|
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
|
1010 XMapWindow(SDL_Display, SDL_Window); |
|
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
|
1011 XMapWindow(SDL_Display, WMwindow); |
| 160 | 1012 X11_WaitMapped(this, WMwindow); |
| 0 | 1013 if ( flags & SDL_FULLSCREEN ) { |
| 1014 screen->flags |= SDL_FULLSCREEN; | |
| 1015 X11_EnterFullScreen(this); | |
| 1016 } else { | |
| 1017 screen->flags &= ~SDL_FULLSCREEN; | |
| 1018 } | |
| 1019 } | |
|
1178
9867f3d86e44
Real Unicode support for X11. Based on updated version of this patch:
Ryan C. Gordon <icculus@icculus.org>
parents:
1168
diff
changeset
|
1020 |
| 0 | 1021 return(0); |
| 1022 } | |
| 1023 | |
| 1024 static int X11_ResizeWindow(_THIS, | |
| 1025 SDL_Surface *screen, int w, int h, Uint32 flags) | |
| 1026 { | |
| 1027 if ( ! SDL_windowid ) { | |
| 1028 /* Resize the window manager window */ | |
| 1029 X11_SetSizeHints(this, w, h, flags); | |
|
1545
8d9bb0cf2c2a
Added current_w and current_h to the SDL_VideoInfo structure, which is set to the desktop resolution during video intialization, and then set to the current resolution when a video mode is set.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
1030 window_w = w; |
|
8d9bb0cf2c2a
Added current_w and current_h to the SDL_VideoInfo structure, which is set to the desktop resolution during video intialization, and then set to the current resolution when a video mode is set.
Sam Lantinga <slouken@libsdl.org>
parents:
1402
diff
changeset
|
1031 window_h = h; |
|
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
|
1032 XResizeWindow(SDL_Display, WMwindow, w, h); |
| 0 | 1033 |
| 1034 /* Resize the fullscreen and display windows */ | |
| 1035 if ( flags & SDL_FULLSCREEN ) { | |
| 1036 if ( screen->flags & SDL_FULLSCREEN ) { | |
| 1037 X11_ResizeFullScreen(this); | |
| 1038 } else { | |
| 1039 screen->flags |= SDL_FULLSCREEN; | |
| 1040 X11_EnterFullScreen(this); | |
| 1041 } | |
| 1042 } else { | |
| 1043 if ( screen->flags & SDL_FULLSCREEN ) { | |
| 1044 screen->flags &= ~SDL_FULLSCREEN; | |
| 1045 X11_LeaveFullScreen(this); | |
| 1046 } | |
| 1047 } | |
|
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
|
1048 XResizeWindow(SDL_Display, SDL_Window, w, h); |
| 0 | 1049 } |
| 1050 return(0); | |
| 1051 } | |
| 1052 | |
| 1053 SDL_Surface *X11_SetVideoMode(_THIS, SDL_Surface *current, | |
| 1054 int width, int height, int bpp, Uint32 flags) | |
| 1055 { | |
| 1056 Uint32 saved_flags; | |
| 1057 | |
| 1058 /* Lock the event thread, in multi-threading environments */ | |
| 1059 SDL_Lock_EventThread(); | |
| 1060 | |
| 1061 /* Check the combination of flags we were passed */ | |
| 1062 if ( flags & SDL_FULLSCREEN ) { | |
| 1063 /* Clear fullscreen flag if not supported */ | |
| 1064 if ( SDL_windowid ) { | |
| 1065 flags &= ~SDL_FULLSCREEN; | |
| 1066 } | |
| 1067 } | |
| 1068 | |
| 1069 /* Flush any delayed updates */ | |
|
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
|
1070 XSync(GFX_Display, False); |
| 0 | 1071 |
| 1072 /* Set up the X11 window */ | |
| 1073 saved_flags = current->flags; | |
|
867
5c7859610bc4
Force recreation of X11 window if going to or from a SDL_NOFRAME vidmode.
Ryan C. Gordon <icculus@icculus.org>
parents:
860
diff
changeset
|
1074 if ( (SDL_Window) && ((saved_flags&SDL_OPENGL) == (flags&SDL_OPENGL)) |
|
5c7859610bc4
Force recreation of X11 window if going to or from a SDL_NOFRAME vidmode.
Ryan C. Gordon <icculus@icculus.org>
parents:
860
diff
changeset
|
1075 && (bpp == current->format->BitsPerPixel) |
|
5c7859610bc4
Force recreation of X11 window if going to or from a SDL_NOFRAME vidmode.
Ryan C. Gordon <icculus@icculus.org>
parents:
860
diff
changeset
|
1076 && ((saved_flags&SDL_NOFRAME) == (flags&SDL_NOFRAME)) ) { |
| 0 | 1077 if (X11_ResizeWindow(this, current, width, height, flags) < 0) { |
| 1078 current = NULL; | |
| 1079 goto done; | |
| 1080 } | |
| 1081 } else { | |
| 1082 if (X11_CreateWindow(this,current,width,height,bpp,flags) < 0) { | |
| 1083 current = NULL; | |
| 1084 goto done; | |
| 1085 } | |
| 1086 } | |
| 1087 | |
| 1088 /* Set up the new mode framebuffer */ | |
| 1089 if ( ((current->w != width) || (current->h != height)) || | |
| 1090 ((saved_flags&SDL_OPENGL) != (flags&SDL_OPENGL)) ) { | |
| 1091 current->w = width; | |
| 1092 current->h = height; | |
| 1093 current->pitch = SDL_CalculatePitch(current); | |
| 1094 X11_ResizeImage(this, current, flags); | |
| 1095 } | |
| 1096 current->flags |= (flags&(SDL_RESIZABLE|SDL_NOFRAME)); | |
| 1097 | |
| 1098 done: | |
| 1099 /* Release the event thread */ | |
|
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
|
1100 XSync(SDL_Display, False); |
| 0 | 1101 SDL_Unlock_EventThread(); |
| 1102 | |
| 1103 /* We're done! */ | |
| 1104 return(current); | |
| 1105 } | |
| 1106 | |
| 1107 static int X11_ToggleFullScreen(_THIS, int on) | |
| 1108 { | |
| 1109 Uint32 event_thread; | |
| 1110 | |
| 1111 /* Don't switch if we don't own the window */ | |
| 1112 if ( SDL_windowid ) { | |
| 1113 return(0); | |
| 1114 } | |
| 1115 | |
| 1116 /* Don't lock if we are the event thread */ | |
| 1117 event_thread = SDL_EventThreadID(); | |
| 1118 if ( event_thread && (SDL_ThreadID() == event_thread) ) { | |
| 1119 event_thread = 0; | |
| 1120 } | |
| 1121 if ( event_thread ) { | |
| 1122 SDL_Lock_EventThread(); | |
| 1123 } | |
| 1124 if ( on ) { | |
| 1125 this->screen->flags |= SDL_FULLSCREEN; | |
| 1126 X11_EnterFullScreen(this); | |
| 1127 } else { | |
| 1128 this->screen->flags &= ~SDL_FULLSCREEN; | |
| 1129 X11_LeaveFullScreen(this); | |
| 1130 } | |
| 1131 X11_RefreshDisplay(this); | |
| 1132 if ( event_thread ) { | |
| 1133 SDL_Unlock_EventThread(); | |
| 1134 } | |
| 1135 SDL_ResetKeyboard(); | |
| 1136 return(1); | |
| 1137 } | |
| 1138 | |
| 1139 /* Update the current mouse state and position */ | |
| 1140 static void X11_UpdateMouse(_THIS) | |
| 1141 { | |
| 1142 Window u1; int u2; | |
| 1143 Window current_win; | |
| 1144 int x, y; | |
| 1145 unsigned int mask; | |
| 1146 | |
| 1147 /* Lock the event thread, in multi-threading environments */ | |
| 1148 SDL_Lock_EventThread(); | |
|
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
|
1149 if ( XQueryPointer(SDL_Display, SDL_Window, &u1, ¤t_win, |
| 0 | 1150 &u2, &u2, &x, &y, &mask) ) { |
| 1151 if ( (x >= 0) && (x < SDL_VideoSurface->w) && | |
| 1152 (y >= 0) && (y < SDL_VideoSurface->h) ) { | |
| 1153 SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS); | |
| 1154 SDL_PrivateMouseMotion(0, 0, x, y); | |
| 1155 } else { | |
| 1156 SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS); | |
| 1157 } | |
| 1158 } | |
| 1159 SDL_Unlock_EventThread(); | |
| 1160 } | |
| 1161 | |
| 1162 /* simple colour distance metric. Supposed to be better than a plain | |
| 1163 Euclidian distance anyway. */ | |
| 1164 #define COLOUR_FACTOR 3 | |
| 1165 #define LIGHT_FACTOR 1 | |
| 1166 #define COLOUR_DIST(r1, g1, b1, r2, g2, b2) \ | |
| 1167 (COLOUR_FACTOR * (abs(r1 - r2) + abs(g1 - g2) + abs(b1 - b2)) \ | |
| 1168 + LIGHT_FACTOR * abs(r1 + g1 + b1 - (r2 + g2 + b2))) | |
| 1169 | |
| 1170 static void allocate_nearest(_THIS, SDL_Color *colors, | |
| 1171 SDL_Color *want, int nwant) | |
| 1172 { | |
| 1173 /* | |
| 1174 * There is no way to know which ones to choose from, so we retrieve | |
| 1175 * the entire colormap and try the nearest possible, until we find one | |
| 1176 * that is shared. | |
| 1177 */ | |
| 1178 XColor all[256]; | |
| 1179 int i; | |
| 1180 for(i = 0; i < 256; i++) | |
| 1181 all[i].pixel = i; | |
| 1182 /* | |
| 1183 * XQueryColors sets the flags in the XColor struct, so we use | |
| 1184 * that to keep track of which colours are available | |
| 1185 */ | |
|
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
|
1186 XQueryColors(GFX_Display, SDL_XColorMap, all, 256); |
| 0 | 1187 |
| 1188 for(i = 0; i < nwant; i++) { | |
| 1189 XColor *c; | |
| 1190 int j; | |
| 1191 int best = 0; | |
| 1192 int mindist = 0x7fffffff; | |
| 1193 int ri = want[i].r; | |
| 1194 int gi = want[i].g; | |
| 1195 int bi = want[i].b; | |
| 1196 for(j = 0; j < 256; j++) { | |
| 1197 int rj, gj, bj, d2; | |
| 1198 if(!all[j].flags) | |
| 1199 continue; /* unavailable colour cell */ | |
| 1200 rj = all[j].red >> 8; | |
| 1201 gj = all[j].green >> 8; | |
| 1202 bj = all[j].blue >> 8; | |
| 1203 d2 = COLOUR_DIST(ri, gi, bi, rj, gj, bj); | |
| 1204 if(d2 < mindist) { | |
| 1205 mindist = d2; | |
| 1206 best = j; | |
| 1207 } | |
| 1208 } | |
| 1209 if(SDL_XPixels[best]) | |
| 1210 continue; /* already allocated, waste no more time */ | |
| 1211 c = all + best; | |
|
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
|
1212 if(XAllocColor(GFX_Display, SDL_XColorMap, c)) { |
| 0 | 1213 /* got it */ |
|
236
3f09f52ac2cc
Fixed X11 icon color allocation (thanks Mattias!)
Sam Lantinga <slouken@libsdl.org>
parents:
160
diff
changeset
|
1214 colors[c->pixel].r = c->red >> 8; |
|
3f09f52ac2cc
Fixed X11 icon color allocation (thanks Mattias!)
Sam Lantinga <slouken@libsdl.org>
parents:
160
diff
changeset
|
1215 colors[c->pixel].g = c->green >> 8; |
|
3f09f52ac2cc
Fixed X11 icon color allocation (thanks Mattias!)
Sam Lantinga <slouken@libsdl.org>
parents:
160
diff
changeset
|
1216 colors[c->pixel].b = c->blue >> 8; |
|
3f09f52ac2cc
Fixed X11 icon color allocation (thanks Mattias!)
Sam Lantinga <slouken@libsdl.org>
parents:
160
diff
changeset
|
1217 ++SDL_XPixels[c->pixel]; |
| 0 | 1218 } else { |
| 1219 /* | |
| 1220 * The colour couldn't be allocated, probably being | |
| 1221 * owned as a r/w cell by another client. Flag it as | |
| 1222 * unavailable and try again. The termination of the | |
| 1223 * loop is guaranteed since at least black and white | |
| 1224 * are always there. | |
| 1225 */ | |
| 1226 c->flags = 0; | |
| 1227 i--; | |
| 1228 } | |
| 1229 } | |
| 1230 } | |
| 1231 | |
| 1232 int X11_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) | |
| 1233 { | |
| 1234 int nrej = 0; | |
| 1235 | |
| 1236 /* Check to make sure we have a colormap allocated */ | |
| 1237 if ( SDL_XPixels == NULL ) { | |
| 1238 return(0); | |
| 1239 } | |
| 1240 if ( (this->screen->flags & SDL_HWPALETTE) == SDL_HWPALETTE ) { | |
| 1241 /* private writable colormap: just set the colours we need */ | |
| 1242 XColor *xcmap; | |
| 1243 int i; | |
|
1338
604d73db6802
Removed uses of stdlib.h and string.h
Sam Lantinga <slouken@libsdl.org>
parents:
1336
diff
changeset
|
1244 xcmap = SDL_stack_alloc(XColor, ncolors); |
| 0 | 1245 if(xcmap == NULL) |
| 1246 return 0; | |
| 1247 for ( i=0; i<ncolors; ++i ) { | |
| 1248 xcmap[i].pixel = i + firstcolor; | |
| 1249 xcmap[i].red = (colors[i].r<<8)|colors[i].r; | |
| 1250 xcmap[i].green = (colors[i].g<<8)|colors[i].g; | |
| 1251 xcmap[i].blue = (colors[i].b<<8)|colors[i].b; | |
| 1252 xcmap[i].flags = (DoRed|DoGreen|DoBlue); | |
| 1253 } | |
|
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
|
1254 XStoreColors(GFX_Display, SDL_XColorMap, xcmap, ncolors); |
|
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
|
1255 XSync(GFX_Display, False); |
|
1338
604d73db6802
Removed uses of stdlib.h and string.h
Sam Lantinga <slouken@libsdl.org>
parents:
1336
diff
changeset
|
1256 SDL_stack_free(xcmap); |
| 0 | 1257 } else { |
| 1258 /* | |
| 1259 * Shared colormap: We only allocate read-only cells, which | |
| 1260 * increases the likelyhood of colour sharing with other | |
| 1261 * clients. The pixel values will almost certainly be | |
| 1262 * different from the requested ones, so the user has to | |
| 1263 * walk the colormap and see which index got what colour. | |
| 1264 * | |
| 1265 * We can work directly with the logical palette since it | |
| 1266 * has already been set when we get here. | |
| 1267 */ | |
| 1268 SDL_Color *want, *reject; | |
| 1269 unsigned long *freelist; | |
| 1270 int i; | |
| 1271 int nfree = 0; | |
| 1272 int nc = this->screen->format->palette->ncolors; | |
| 1273 colors = this->screen->format->palette->colors; | |
|
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1274 freelist = SDL_stack_alloc(unsigned long, nc); |
| 0 | 1275 /* make sure multiple allocations of the same cell are freed */ |
| 1276 for(i = 0; i < ncolors; i++) { | |
| 1277 int pixel = firstcolor + i; | |
| 1278 while(SDL_XPixels[pixel]) { | |
| 1279 freelist[nfree++] = pixel; | |
| 1280 --SDL_XPixels[pixel]; | |
| 1281 } | |
| 1282 } | |
|
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1283 XFreeColors(GFX_Display, SDL_XColorMap, freelist, nfree, 0); |
|
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1284 SDL_stack_free(freelist); |
| 0 | 1285 |
|
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1286 want = SDL_stack_alloc(SDL_Color, ncolors); |
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1287 reject = SDL_stack_alloc(SDL_Color, ncolors); |
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1288 SDL_memcpy(want, colors + firstcolor, ncolors * sizeof(SDL_Color)); |
| 0 | 1289 /* make sure the user isn't fooled by her own wishes |
| 1290 (black is safe, always available in the default colormap) */ | |
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1291 SDL_memset(colors + firstcolor, 0, ncolors * sizeof(SDL_Color)); |
| 0 | 1292 |
| 1293 /* now try to allocate the colours */ | |
| 1294 for(i = 0; i < ncolors; i++) { | |
| 1295 XColor col; | |
| 1296 col.red = want[i].r << 8; | |
| 1297 col.green = want[i].g << 8; | |
| 1298 col.blue = want[i].b << 8; | |
| 1299 col.flags = DoRed | DoGreen | DoBlue; | |
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1300 if(XAllocColor(GFX_Display, SDL_XColorMap, &col)) { |
| 0 | 1301 /* We got the colour, or at least the nearest |
| 1302 the hardware could get. */ | |
| 1303 colors[col.pixel].r = col.red >> 8; | |
| 1304 colors[col.pixel].g = col.green >> 8; | |
| 1305 colors[col.pixel].b = col.blue >> 8; | |
| 1306 ++SDL_XPixels[col.pixel]; | |
| 1307 } else { | |
| 1308 /* | |
| 1309 * no more free cells, add it to the list | |
| 1310 * of rejected colours | |
| 1311 */ | |
| 1312 reject[nrej++] = want[i]; | |
| 1313 } | |
| 1314 } | |
| 1315 if(nrej) | |
| 1316 allocate_nearest(this, colors, reject, nrej); | |
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1317 SDL_stack_free(reject); |
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1318 SDL_stack_free(want); |
| 0 | 1319 } |
| 1320 return nrej == 0; | |
| 1321 } | |
| 1322 | |
| 1323 int X11_SetGammaRamp(_THIS, Uint16 *ramp) | |
| 1324 { | |
| 1325 int i, ncolors; | |
| 1326 XColor xcmap[256]; | |
| 1327 | |
| 1328 /* See if actually setting the gamma is supported */ | |
| 1329 if ( SDL_Visual->class != DirectColor ) { | |
| 1330 SDL_SetError("Gamma correction not supported on this visual"); | |
| 1331 return(-1); | |
| 1332 } | |
| 1333 | |
| 1334 /* Calculate the appropriate palette for the given gamma ramp */ | |
| 1335 ncolors = SDL_Visual->map_entries; | |
| 1336 for ( i=0; i<ncolors; ++i ) { | |
| 1337 Uint8 c = (256 * i / ncolors); | |
| 1338 xcmap[i].pixel = SDL_MapRGB(this->screen->format, c, c, c); | |
| 1339 xcmap[i].red = ramp[0*256+c]; | |
| 1340 xcmap[i].green = ramp[1*256+c]; | |
| 1341 xcmap[i].blue = ramp[2*256+c]; | |
| 1342 xcmap[i].flags = (DoRed|DoGreen|DoBlue); | |
| 1343 } | |
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1344 XStoreColors(GFX_Display, SDL_XColorMap, xcmap, ncolors); |
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1345 XSync(GFX_Display, False); |
| 0 | 1346 return(0); |
| 1347 } | |
| 1348 | |
| 1349 /* Note: If we are terminated, this could be called in the middle of | |
| 1350 another SDL video routine -- notably UpdateRects. | |
| 1351 */ | |
| 1352 void X11_VideoQuit(_THIS) | |
| 1353 { | |
| 1354 /* Shutdown everything that's still up */ | |
| 1355 /* The event thread should be done, so we can touch SDL_Display */ | |
| 1356 if ( SDL_Display != NULL ) { | |
| 1357 /* Flush any delayed updates */ | |
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1358 XSync(GFX_Display, False); |
| 0 | 1359 |
|
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1360 /* Close the connection with the IM server */ |
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1361 #ifdef X_HAVE_UTF8_STRING |
|
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1362 if (SDL_IC != NULL) { |
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1363 XDestroyIC(SDL_IC); |
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1364 SDL_IC = NULL; |
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1365 } |
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1366 if (SDL_IM != NULL) { |
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1367 XCloseIM(SDL_IM); |
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1368 SDL_IM = NULL; |
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1369 } |
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1370 #endif |
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1371 |
| 0 | 1372 /* Start shutting down the windows */ |
| 1373 X11_DestroyImage(this, this->screen); | |
| 1374 X11_DestroyWindow(this, this->screen); | |
| 1375 X11_FreeVideoModes(this); | |
| 1376 if ( SDL_XColorMap != SDL_DisplayColormap ) { | |
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1377 XFreeColormap(SDL_Display, SDL_XColorMap); |
| 0 | 1378 } |
| 1379 if ( SDL_iconcolors ) { | |
| 1380 unsigned long pixel; | |
|
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1381 Colormap dcmap = DefaultColormap(SDL_Display, |
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1382 SDL_Screen); |
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1383 for(pixel = 0; pixel < 256; ++pixel) { |
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1384 while(SDL_iconcolors[pixel] > 0) { |
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1385 XFreeColors(GFX_Display, |
|
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1386 dcmap, &pixel, 1, 0); |
| 0 | 1387 --SDL_iconcolors[pixel]; |
| 1388 } | |
| 1389 } | |
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1390 SDL_free(SDL_iconcolors); |
| 0 | 1391 SDL_iconcolors = NULL; |
| 1392 } | |
| 1393 /* Restore gamma settings if they've changed */ | |
| 1394 if ( SDL_GetAppState() & SDL_APPACTIVE ) { | |
| 1395 X11_SwapVidModeGamma(this); | |
| 1396 } | |
| 1397 | |
| 1398 /* Free that blank cursor */ | |
| 1399 if ( SDL_BlankCursor != NULL ) { | |
| 1400 this->FreeWMCursor(this, SDL_BlankCursor); | |
| 1401 SDL_BlankCursor = NULL; | |
| 1402 } | |
| 1403 | |
| 1404 /* Close the X11 graphics connection */ | |
| 1405 if ( GFX_Display != NULL ) { | |
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1406 XCloseDisplay(GFX_Display); |
| 0 | 1407 GFX_Display = NULL; |
| 1408 } | |
| 1409 | |
| 1410 /* Close the X11 display connection */ | |
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1411 XCloseDisplay(SDL_Display); |
| 0 | 1412 SDL_Display = NULL; |
| 1413 | |
| 1414 /* Reset the X11 error handlers */ | |
| 1415 if ( XIO_handler ) { | |
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1416 XSetIOErrorHandler(XIO_handler); |
| 0 | 1417 } |
| 1418 if ( X_handler ) { | |
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1419 XSetErrorHandler(X_handler); |
| 0 | 1420 } |
| 1421 | |
| 1422 /* Unload GL library after X11 shuts down */ | |
| 1423 X11_GL_UnloadLibrary(this); | |
| 1424 } | |
| 1425 if ( this->screen && (this->screen->flags & SDL_HWSURFACE) ) { | |
| 1426 /* Direct screen access, no memory buffer */ | |
| 1427 this->screen->pixels = NULL; | |
| 1428 } | |
| 1429 } | |
| 1430 |