Mercurial > sdl-ios-xcode
annotate src/video/x11/SDL_x11video.c @ 1641:5cf11b00b900
Fixed bug #197
On servers with the composite extension enabled, visuals with 32-bit depth
have an alpha mask. This is pretty neat, but SDL needs a bit more work to
handle these properly, so for now, we'll just use 24 bit depth visuals.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Mon, 17 Apr 2006 04:54:08 +0000 |
| parents | c3b5d17277d4 |
| children | 0a53c90a37f9 c2c6ff414ef5 |
| 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)))) ) { | |
| 200 #ifdef XFREE86_DEBUG | |
| 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))) ) { | |
| 215 #ifdef XFREE86_DEBUG | |
| 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 { |
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247 #ifdef XFREE86_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 { | |
| 1558 | 313 Atom _NET_WM_NAME; |
| 314 Atom _NET_WM_ICON_NAME; | |
| 1325 | 315 char classname[1024]; |
| 0 | 316 XSetWindowAttributes xattr; |
| 317 XWMHints *hints; | |
| 1558 | 318 XTextProperty titleprop, titlepropUTF8, iconprop, iconpropUTF8; |
| 0 | 319 int def_vis = (SDL_Visual == DefaultVisual(SDL_Display, SDL_Screen)); |
| 320 | |
| 1558 | 321 /* Look up some useful Atoms */ |
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322 WM_DELETE_WINDOW = XInternAtom(SDL_Display, "WM_DELETE_WINDOW", False); |
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323 _NET_WM_NAME = XInternAtom(SDL_Display, "_NET_WM_NAME", False); |
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324 _NET_WM_ICON_NAME = XInternAtom(SDL_Display, "_NET_WM_ICON_NAME", False); |
| 1558 | 325 |
| 0 | 326 /* Don't create any extra windows if we are being managed */ |
| 327 if ( SDL_windowid ) { | |
| 328 FSwindow = 0; | |
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329 WMwindow = SDL_strtol(SDL_windowid, NULL, 0); |
| 0 | 330 return; |
| 331 } | |
| 332 | |
| 333 if(FSwindow) | |
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334 XDestroyWindow(SDL_Display, FSwindow); |
| 0 | 335 |
| 336 xattr.override_redirect = True; | |
| 337 xattr.background_pixel = def_vis ? BlackPixel(SDL_Display, SDL_Screen) : 0; | |
| 338 xattr.border_pixel = 0; | |
| 339 xattr.colormap = SDL_XColorMap; | |
| 340 | |
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341 FSwindow = XCreateWindow(SDL_Display, SDL_Root, |
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342 xinerama_x, xinerama_y, 32, 32, 0, |
| 0 | 343 this->hidden->depth, InputOutput, SDL_Visual, |
| 344 CWOverrideRedirect | CWBackPixel | CWBorderPixel | |
| 345 | CWColormap, | |
| 346 &xattr); | |
| 347 | |
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348 XSelectInput(SDL_Display, FSwindow, StructureNotifyMask); |
| 0 | 349 |
| 350 /* Tell KDE to keep the fullscreen window on top */ | |
| 351 { | |
| 352 XEvent ev; | |
| 353 long mask; | |
| 354 | |
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355 SDL_memset(&ev, 0, sizeof(ev)); |
| 0 | 356 ev.xclient.type = ClientMessage; |
| 357 ev.xclient.window = SDL_Root; | |
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358 ev.xclient.message_type = XInternAtom(SDL_Display, |
| 0 | 359 "KWM_KEEP_ON_TOP", False); |
| 360 ev.xclient.format = 32; | |
| 361 ev.xclient.data.l[0] = FSwindow; | |
| 362 ev.xclient.data.l[1] = CurrentTime; | |
| 363 mask = SubstructureRedirectMask; | |
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364 XSendEvent(SDL_Display, SDL_Root, False, mask, &ev); |
| 0 | 365 } |
| 366 | |
| 367 hints = NULL; | |
| 1558 | 368 titleprop.value = titlepropUTF8.value = NULL; |
| 369 iconprop.value = iconpropUTF8.value = NULL; | |
| 0 | 370 if(WMwindow) { |
| 371 /* All window attributes must survive the recreation */ | |
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372 hints = XGetWMHints(SDL_Display, WMwindow); |
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373 XGetTextProperty(SDL_Display, WMwindow, &titleprop, XA_WM_NAME); |
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374 XGetTextProperty(SDL_Display, WMwindow, &titlepropUTF8, _NET_WM_NAME); |
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375 XGetTextProperty(SDL_Display, WMwindow, &iconprop, XA_WM_ICON_NAME); |
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376 XGetTextProperty(SDL_Display, WMwindow, &iconpropUTF8, _NET_WM_ICON_NAME); |
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377 XDestroyWindow(SDL_Display, WMwindow); |
| 0 | 378 } |
| 379 | |
| 380 /* Create the window for windowed management */ | |
| 381 /* (reusing the xattr structure above) */ | |
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382 WMwindow = XCreateWindow(SDL_Display, SDL_Root, 0, 0, 32, 32, 0, |
| 0 | 383 this->hidden->depth, InputOutput, SDL_Visual, |
| 384 CWBackPixel | CWBorderPixel | CWColormap, | |
| 385 &xattr); | |
| 386 | |
| 387 /* Set the input hints so we get keyboard input */ | |
| 388 if(!hints) { | |
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389 hints = XAllocWMHints(); |
| 0 | 390 hints->input = True; |
| 391 hints->flags = InputHint; | |
| 392 } | |
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393 XSetWMHints(SDL_Display, WMwindow, hints); |
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394 XFree(hints); |
| 0 | 395 if(titleprop.value) { |
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396 XSetTextProperty(SDL_Display, WMwindow, &titleprop, XA_WM_NAME); |
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397 XFree(titleprop.value); |
| 0 | 398 } |
| 1558 | 399 if(titlepropUTF8.value) { |
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400 XSetTextProperty(SDL_Display, WMwindow, &titlepropUTF8, _NET_WM_NAME); |
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401 XFree(titlepropUTF8.value); |
| 1558 | 402 } |
| 0 | 403 if(iconprop.value) { |
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404 XSetTextProperty(SDL_Display, WMwindow, &iconprop, XA_WM_ICON_NAME); |
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405 XFree(iconprop.value); |
| 0 | 406 } |
| 1558 | 407 if(iconpropUTF8.value) { |
|
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408 XSetTextProperty(SDL_Display, WMwindow, &iconpropUTF8, _NET_WM_ICON_NAME); |
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409 XFree(iconpropUTF8.value); |
| 1558 | 410 } |
| 0 | 411 |
|
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412 XSelectInput(SDL_Display, WMwindow, |
| 0 | 413 FocusChangeMask | KeyPressMask | KeyReleaseMask |
| 414 | PropertyChangeMask | StructureNotifyMask | KeymapStateMask); | |
| 415 | |
| 416 /* Set the class hints so we can get an icon (AfterStep) */ | |
| 1325 | 417 get_classname(classname, sizeof(classname)); |
| 0 | 418 { |
| 419 XClassHint *classhints; | |
|
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420 classhints = XAllocClassHint(); |
| 0 | 421 if(classhints != NULL) { |
|
449
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422 classhints->res_name = classname; |
|
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423 classhints->res_class = classname; |
|
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424 XSetClassHint(SDL_Display, WMwindow, classhints); |
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425 XFree(classhints); |
| 0 | 426 } |
| 427 } | |
| 428 | |
|
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429 /* Setup the communication with the IM server */ |
|
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430 SDL_IM = NULL; |
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431 SDL_IC = NULL; |
|
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432 |
|
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433 #ifdef X_HAVE_UTF8_STRING |
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434 if (SDL_X11_HAVE_UTF8) { |
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435 SDL_IM = XOpenIM(SDL_Display, NULL, classname, classname); |
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436 if (SDL_IM == NULL) { |
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437 SDL_SetError("no input method could be opened"); |
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438 } else { |
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439 SDL_IC = pXCreateIC(SDL_IM, |
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440 XNClientWindow, WMwindow, |
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441 XNFocusWindow, WMwindow, |
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442 XNInputStyle, XIMPreeditNothing | XIMStatusNothing, |
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443 XNResourceName, classname, |
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444 XNResourceClass, classname, |
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445 NULL); |
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446 |
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447 if (SDL_IC == NULL) { |
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448 SDL_SetError("no input context could be created"); |
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449 XCloseIM(SDL_IM); |
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450 SDL_IM = NULL; |
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451 } |
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452 } |
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453 } |
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454 #endif |
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455 |
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456 /* Allow the window to be deleted by the window manager */ |
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457 XSetWMProtocols(SDL_Display, WMwindow, &WM_DELETE_WINDOW, 1); |
| 0 | 458 } |
| 459 | |
| 460 static int X11_VideoInit(_THIS, SDL_PixelFormat *vformat) | |
| 461 { | |
| 462 char *display; | |
| 463 int i; | |
| 464 | |
| 465 /* Open the X11 display */ | |
| 466 display = NULL; /* Get it from DISPLAY environment variable */ | |
| 467 | |
|
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468 if ( (SDL_strncmp(XDisplayName(display), ":", 1) == 0) || |
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469 (SDL_strncmp(XDisplayName(display), "unix:", 5) == 0) ) { |
| 0 | 470 local_X11 = 1; |
| 471 } else { | |
| 472 local_X11 = 0; | |
| 473 } | |
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474 SDL_Display = XOpenDisplay(display); |
|
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475 #if defined(__osf__) && defined(SDL_VIDEO_DRIVER_X11_DYNAMIC) |
|
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476 /* On Tru64 if linking without -lX11, it fails and you get following message. |
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477 * Xlib: connection to ":0.0" refused by server |
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478 * Xlib: XDM authorization key matches an existing client! |
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479 * |
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480 * It succeeds if retrying 1 second later |
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481 * or if running xhost +localhost on shell. |
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482 * |
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483 */ |
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484 if ( SDL_Display == NULL ) { |
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485 SDL_Delay(1000); |
|
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486 SDL_Display = XOpenDisplay(display); |
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487 } |
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488 #endif |
| 0 | 489 if ( SDL_Display == NULL ) { |
| 490 SDL_SetError("Couldn't open X11 display"); | |
| 491 return(-1); | |
| 492 } | |
| 493 #ifdef X11_DEBUG | |
|
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494 XSynchronize(SDL_Display, True); |
| 0 | 495 #endif |
| 496 | |
| 497 /* Create an alternate X display for graphics updates -- allows us | |
| 498 to do graphics updates in a separate thread from event handling. | |
| 499 Thread-safe X11 doesn't seem to exist. | |
| 500 */ | |
|
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501 GFX_Display = XOpenDisplay(display); |
| 0 | 502 if ( GFX_Display == NULL ) { |
| 503 SDL_SetError("Couldn't open X11 display"); | |
| 504 return(-1); | |
| 505 } | |
| 506 | |
| 507 /* Set the normal X error handler */ | |
|
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508 X_handler = XSetErrorHandler(x_errhandler); |
| 0 | 509 |
| 510 /* Set the error handler if we lose the X display */ | |
|
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511 XIO_handler = XSetIOErrorHandler(xio_errhandler); |
| 0 | 512 |
|
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513 /* Set the X extension error handler */ |
|
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514 Xext_handler = XSetExtensionErrorHandler(xext_errhandler); |
|
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515 |
| 0 | 516 /* use default screen (from $DISPLAY) */ |
| 517 SDL_Screen = DefaultScreen(SDL_Display); | |
| 518 | |
| 519 #ifndef NO_SHARED_MEMORY | |
| 520 /* Check for MIT shared memory extension */ | |
|
556
08588ee79a67
Fixed compile error if there is no X11 shared memory support.
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521 use_mitshm = 0; |
| 0 | 522 if ( local_X11 ) { |
|
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523 use_mitshm = XShmQueryExtension(SDL_Display); |
| 0 | 524 } |
| 525 #endif /* NO_SHARED_MEMORY */ | |
| 526 | |
| 527 /* Get the available video modes */ | |
| 528 if(X11_GetVideoModes(this) < 0) | |
| 529 return -1; | |
| 530 | |
|
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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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|
531 /* 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.
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532 this->info.current_w = DisplayWidth(SDL_Display, SDL_Screen); |
|
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533 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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534 |
| 0 | 535 /* Determine the default screen depth: |
| 536 Use the default visual (or at least one with the same depth) */ | |
| 537 SDL_DisplayColormap = DefaultColormap(SDL_Display, SDL_Screen); | |
| 538 for(i = 0; i < this->hidden->nvisuals; i++) | |
| 539 if(this->hidden->visuals[i].depth == DefaultDepth(SDL_Display, | |
| 540 SDL_Screen)) | |
| 541 break; | |
| 542 if(i == this->hidden->nvisuals) { | |
| 543 /* default visual was useless, take the deepest one instead */ | |
| 544 i = 0; | |
| 545 } | |
| 546 SDL_Visual = this->hidden->visuals[i].visual; | |
| 547 if ( SDL_Visual == DefaultVisual(SDL_Display, SDL_Screen) ) { | |
| 548 SDL_XColorMap = SDL_DisplayColormap; | |
| 549 } else { | |
|
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550 SDL_XColorMap = XCreateColormap(SDL_Display, SDL_Root, |
| 0 | 551 SDL_Visual, AllocNone); |
| 552 } | |
| 553 this->hidden->depth = this->hidden->visuals[i].depth; | |
| 554 vformat->BitsPerPixel = this->hidden->visuals[i].bpp; | |
| 555 if ( vformat->BitsPerPixel > 8 ) { | |
| 556 vformat->Rmask = SDL_Visual->red_mask; | |
| 557 vformat->Gmask = SDL_Visual->green_mask; | |
| 558 vformat->Bmask = SDL_Visual->blue_mask; | |
| 559 } | |
| 1641 | 560 if ( this->hidden->depth == 32 ) { |
| 561 vformat->Amask = (0xFFFFFFFF & ~(vformat->Rmask|vformat->Gmask|vformat->Bmask)); | |
| 562 } | |
| 0 | 563 X11_SaveVidModeGamma(this); |
| 564 | |
| 565 /* See if we have been passed a window to use */ | |
|
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566 SDL_windowid = SDL_getenv("SDL_WINDOWID"); |
| 0 | 567 |
| 568 /* Create the fullscreen and managed windows */ | |
| 569 create_aux_windows(this); | |
| 570 | |
| 571 /* Create the blank cursor */ | |
| 572 SDL_BlankCursor = this->CreateWMCursor(this, blank_cdata, blank_cmask, | |
| 573 BLANK_CWIDTH, BLANK_CHEIGHT, | |
| 574 BLANK_CHOTX, BLANK_CHOTY); | |
| 575 | |
| 576 /* Fill in some window manager capabilities */ | |
| 577 this->info.wm_available = 1; | |
| 578 | |
| 579 /* We're done! */ | |
|
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580 XFlush(SDL_Display); |
| 0 | 581 return(0); |
| 582 } | |
| 583 | |
| 584 static void X11_DestroyWindow(_THIS, SDL_Surface *screen) | |
| 585 { | |
| 586 /* Clean up OpenGL */ | |
| 587 if ( screen ) { | |
| 588 screen->flags &= ~(SDL_OPENGL|SDL_OPENGLBLIT); | |
| 589 } | |
| 590 X11_GL_Shutdown(this); | |
| 591 | |
| 592 if ( ! SDL_windowid ) { | |
| 593 /* Hide the managed window */ | |
| 594 if ( WMwindow ) { | |
|
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595 XUnmapWindow(SDL_Display, WMwindow); |
| 0 | 596 } |
| 597 if ( screen && (screen->flags & SDL_FULLSCREEN) ) { | |
| 598 screen->flags &= ~SDL_FULLSCREEN; | |
| 599 X11_LeaveFullScreen(this); | |
| 600 } | |
| 601 | |
| 602 /* Destroy the output window */ | |
| 603 if ( SDL_Window ) { | |
|
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604 XDestroyWindow(SDL_Display, SDL_Window); |
| 0 | 605 } |
| 606 | |
| 607 /* Free the colormap entries */ | |
| 608 if ( SDL_XPixels ) { | |
| 609 int numcolors; | |
| 610 unsigned long pixel; | |
| 611 numcolors = SDL_Visual->map_entries; | |
| 612 for ( pixel=0; pixel<numcolors; ++pixel ) { | |
| 613 while ( SDL_XPixels[pixel] > 0 ) { | |
|
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|
614 XFreeColors(GFX_Display, |
| 0 | 615 SDL_DisplayColormap,&pixel,1,0); |
| 616 --SDL_XPixels[pixel]; | |
| 617 } | |
| 618 } | |
|
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|
619 SDL_free(SDL_XPixels); |
| 0 | 620 SDL_XPixels = NULL; |
| 621 } | |
| 622 | |
| 623 /* Free the graphics context */ | |
| 624 if ( SDL_GC ) { | |
|
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625 XFreeGC(SDL_Display, SDL_GC); |
| 0 | 626 SDL_GC = 0; |
| 627 } | |
| 628 } | |
| 629 } | |
| 630 | |
|
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631 static SDL_bool X11_WindowPosition(_THIS, int *x, int *y, int w, int h) |
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632 { |
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633 const char *window = SDL_getenv("SDL_VIDEO_WINDOW_POS"); |
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634 const char *center = SDL_getenv("SDL_VIDEO_CENTERED"); |
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635 if ( window ) { |
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636 if ( SDL_sscanf(window, "%d,%d", x, y) == 2 ) { |
|
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637 return SDL_TRUE; |
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638 } |
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639 if ( SDL_strcmp(window, "center") == 0 ) { |
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640 center = window; |
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641 } |
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642 } |
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643 if ( center ) { |
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644 *x = (DisplayWidth(SDL_Display, SDL_Screen) - w)/2; |
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645 *y = (DisplayHeight(SDL_Display, SDL_Screen) - h)/2; |
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646 return SDL_TRUE; |
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647 } |
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648 return SDL_FALSE; |
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649 } |
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650 |
| 0 | 651 static void X11_SetSizeHints(_THIS, int w, int h, Uint32 flags) |
| 652 { | |
| 653 XSizeHints *hints; | |
| 654 | |
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655 hints = XAllocSizeHints(); |
| 0 | 656 if ( hints ) { |
| 657 if ( flags & SDL_RESIZABLE ) { | |
| 658 hints->min_width = 32; | |
| 659 hints->min_height = 32; | |
| 660 hints->max_height = 4096; | |
| 661 hints->max_width = 4096; | |
| 662 } else { | |
| 663 hints->min_width = hints->max_width = w; | |
| 664 hints->min_height = hints->max_height = h; | |
| 665 } | |
| 666 hints->flags = PMaxSize | PMinSize; | |
| 667 if ( flags & SDL_FULLSCREEN ) { | |
| 668 hints->x = 0; | |
| 669 hints->y = 0; | |
| 670 hints->flags |= USPosition; | |
| 671 } else | |
| 672 /* Center it, if desired */ | |
|
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673 if ( X11_WindowPosition(this, &hints->x, &hints->y, w, h) ) { |
| 0 | 674 hints->flags |= USPosition; |
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675 XMoveWindow(SDL_Display, WMwindow, hints->x, hints->y); |
| 0 | 676 |
| 677 /* Flush the resize event so we don't catch it later */ | |
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678 XSync(SDL_Display, True); |
| 0 | 679 } |
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680 XSetWMNormalHints(SDL_Display, WMwindow, hints); |
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681 XFree(hints); |
| 0 | 682 } |
| 683 | |
| 684 /* Respect the window caption style */ | |
| 685 if ( flags & SDL_NOFRAME ) { | |
| 686 SDL_bool set; | |
| 687 Atom WM_HINTS; | |
| 688 | |
| 689 /* We haven't modified the window manager hints yet */ | |
| 690 set = SDL_FALSE; | |
| 691 | |
| 692 /* First try to set MWM hints */ | |
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693 WM_HINTS = XInternAtom(SDL_Display, "_MOTIF_WM_HINTS", True); |
| 0 | 694 if ( WM_HINTS != None ) { |
| 695 /* Hints used by Motif compliant window managers */ | |
| 696 struct { | |
| 697 unsigned long flags; | |
| 698 unsigned long functions; | |
| 699 unsigned long decorations; | |
| 700 long input_mode; | |
| 701 unsigned long status; | |
| 702 } MWMHints = { (1L << 1), 0, 0, 0, 0 }; | |
| 703 | |
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704 XChangeProperty(SDL_Display, WMwindow, |
| 0 | 705 WM_HINTS, WM_HINTS, 32, |
| 706 PropModeReplace, | |
| 707 (unsigned char *)&MWMHints, | |
| 708 sizeof(MWMHints)/sizeof(long)); | |
| 709 set = SDL_TRUE; | |
| 710 } | |
| 711 /* Now try to set KWM hints */ | |
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712 WM_HINTS = XInternAtom(SDL_Display, "KWM_WIN_DECORATION", True); |
| 0 | 713 if ( WM_HINTS != None ) { |
| 714 long KWMHints = 0; | |
| 715 | |
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716 XChangeProperty(SDL_Display, WMwindow, |
| 0 | 717 WM_HINTS, WM_HINTS, 32, |
| 718 PropModeReplace, | |
| 719 (unsigned char *)&KWMHints, | |
| 720 sizeof(KWMHints)/sizeof(long)); | |
| 721 set = SDL_TRUE; | |
| 722 } | |
| 723 /* Now try to set GNOME hints */ | |
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724 WM_HINTS = XInternAtom(SDL_Display, "_WIN_HINTS", True); |
| 0 | 725 if ( WM_HINTS != None ) { |
| 726 long GNOMEHints = 0; | |
| 727 | |
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728 XChangeProperty(SDL_Display, WMwindow, |
| 0 | 729 WM_HINTS, WM_HINTS, 32, |
| 730 PropModeReplace, | |
| 731 (unsigned char *)&GNOMEHints, | |
| 732 sizeof(GNOMEHints)/sizeof(long)); | |
| 733 set = SDL_TRUE; | |
| 734 } | |
| 735 /* Finally set the transient hints if necessary */ | |
| 736 if ( ! set ) { | |
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737 XSetTransientForHint(SDL_Display, WMwindow, SDL_Root); |
| 0 | 738 } |
| 739 } else { | |
| 740 SDL_bool set; | |
| 741 Atom WM_HINTS; | |
| 742 | |
| 743 /* We haven't modified the window manager hints yet */ | |
| 744 set = SDL_FALSE; | |
| 745 | |
| 746 /* First try to unset MWM hints */ | |
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747 WM_HINTS = XInternAtom(SDL_Display, "_MOTIF_WM_HINTS", True); |
| 0 | 748 if ( WM_HINTS != None ) { |
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749 XDeleteProperty(SDL_Display, WMwindow, WM_HINTS); |
| 0 | 750 set = SDL_TRUE; |
| 751 } | |
| 752 /* Now try to unset KWM hints */ | |
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753 WM_HINTS = XInternAtom(SDL_Display, "KWM_WIN_DECORATION", True); |
| 0 | 754 if ( WM_HINTS != None ) { |
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755 XDeleteProperty(SDL_Display, WMwindow, WM_HINTS); |
| 0 | 756 set = SDL_TRUE; |
| 757 } | |
| 758 /* Now try to unset GNOME hints */ | |
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759 WM_HINTS = XInternAtom(SDL_Display, "_WIN_HINTS", True); |
| 0 | 760 if ( WM_HINTS != None ) { |
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761 XDeleteProperty(SDL_Display, WMwindow, WM_HINTS); |
| 0 | 762 set = SDL_TRUE; |
| 763 } | |
| 764 /* Finally unset the transient hints if necessary */ | |
| 765 if ( ! set ) { | |
| 766 /* NOTE: Does this work? */ | |
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767 XSetTransientForHint(SDL_Display, WMwindow, None); |
| 0 | 768 } |
| 769 } | |
| 770 } | |
| 771 | |
| 772 static int X11_CreateWindow(_THIS, SDL_Surface *screen, | |
| 773 int w, int h, int bpp, Uint32 flags) | |
| 774 { | |
| 775 int i, depth; | |
| 776 Visual *vis; | |
| 777 int vis_change; | |
| 1641 | 778 Uint32 Amask; |
| 0 | 779 |
| 780 /* If a window is already present, destroy it and start fresh */ | |
| 781 if ( SDL_Window ) { | |
| 782 X11_DestroyWindow(this, screen); | |
|
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783 switch_waiting = 0; /* Prevent jump back to now-meaningless state. */ |
| 0 | 784 } |
| 785 | |
| 786 /* See if we have been given a window id */ | |
| 787 if ( SDL_windowid ) { | |
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788 SDL_Window = SDL_strtol(SDL_windowid, NULL, 0); |
| 0 | 789 } else { |
| 790 SDL_Window = 0; | |
| 791 } | |
| 792 | |
| 793 /* find out which visual we are going to use */ | |
| 794 if ( flags & SDL_OPENGL ) { | |
| 795 XVisualInfo *vi; | |
| 796 | |
| 797 vi = X11_GL_GetVisual(this); | |
| 798 if( !vi ) { | |
| 799 return -1; | |
| 800 } | |
| 801 vis = vi->visual; | |
| 802 depth = vi->depth; | |
| 803 } else if ( SDL_windowid ) { | |
| 804 XWindowAttributes a; | |
| 805 | |
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806 XGetWindowAttributes(SDL_Display, SDL_Window, &a); |
| 0 | 807 vis = a.visual; |
| 808 depth = a.depth; | |
| 809 } else { | |
| 810 for ( i = 0; i < this->hidden->nvisuals; i++ ) { | |
| 811 if ( this->hidden->visuals[i].bpp == bpp ) | |
| 812 break; | |
| 813 } | |
| 814 if ( i == this->hidden->nvisuals ) { | |
| 815 SDL_SetError("No matching visual for requested depth"); | |
| 816 return -1; /* should never happen */ | |
| 817 } | |
| 818 vis = this->hidden->visuals[i].visual; | |
| 819 depth = this->hidden->visuals[i].depth; | |
| 820 } | |
| 821 #ifdef X11_DEBUG | |
| 822 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); | |
| 823 #endif | |
| 824 vis_change = (vis != SDL_Visual); | |
| 825 SDL_Visual = vis; | |
| 826 this->hidden->depth = depth; | |
| 827 | |
| 828 /* Allocate the new pixel format for this video mode */ | |
| 1641 | 829 if ( this->hidden->depth == 32 ) { |
| 830 Amask = (0xFFFFFFFF & ~(vis->red_mask|vis->green_mask|vis->blue_mask)); | |
| 831 } else { | |
| 832 Amask = 0; | |
| 833 } | |
| 0 | 834 if ( ! SDL_ReallocFormat(screen, bpp, |
| 1641 | 835 vis->red_mask, vis->green_mask, vis->blue_mask, Amask) ) { |
| 0 | 836 return -1; |
| 1641 | 837 } |
| 0 | 838 |
| 839 /* Create the appropriate colormap */ | |
| 840 if ( SDL_XColorMap != SDL_DisplayColormap ) { | |
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841 XFreeColormap(SDL_Display, SDL_XColorMap); |
| 0 | 842 } |
| 843 if ( SDL_Visual->class == PseudoColor ) { | |
| 844 int ncolors; | |
| 845 | |
| 846 /* Allocate the pixel flags */ | |
| 847 ncolors = SDL_Visual->map_entries; | |
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848 SDL_XPixels = SDL_malloc(ncolors * sizeof(int)); |
| 0 | 849 if(SDL_XPixels == NULL) { |
| 850 SDL_OutOfMemory(); | |
| 851 return -1; | |
| 852 } | |
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853 SDL_memset(SDL_XPixels, 0, ncolors * sizeof(*SDL_XPixels)); |
| 0 | 854 |
| 855 /* always allocate a private colormap on non-default visuals */ | |
| 856 if ( SDL_Visual != DefaultVisual(SDL_Display, SDL_Screen) ) { | |
| 857 flags |= SDL_HWPALETTE; | |
| 858 } | |
| 859 if ( flags & SDL_HWPALETTE ) { | |
| 860 screen->flags |= SDL_HWPALETTE; | |
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861 SDL_XColorMap = XCreateColormap(SDL_Display, SDL_Root, |
| 0 | 862 SDL_Visual, AllocAll); |
| 863 } else { | |
| 864 SDL_XColorMap = SDL_DisplayColormap; | |
| 865 } | |
| 866 } else if ( SDL_Visual->class == DirectColor ) { | |
| 867 | |
| 868 /* Create a colormap which we can manipulate for gamma */ | |
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869 SDL_XColorMap = XCreateColormap(SDL_Display, SDL_Root, |
| 0 | 870 SDL_Visual, AllocAll); |
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871 XSync(SDL_Display, False); |
| 0 | 872 |
| 873 /* Initialize the colormap to the identity mapping */ | |
| 874 SDL_GetGammaRamp(0, 0, 0); | |
| 875 this->screen = screen; | |
| 876 X11_SetGammaRamp(this, this->gamma); | |
| 877 this->screen = NULL; | |
| 878 } else { | |
| 879 /* Create a read-only colormap for our window */ | |
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880 SDL_XColorMap = XCreateColormap(SDL_Display, SDL_Root, |
| 0 | 881 SDL_Visual, AllocNone); |
| 882 } | |
| 883 | |
| 884 /* Recreate the auxiliary windows, if needed (required for GL) */ | |
| 885 if ( vis_change ) | |
| 886 create_aux_windows(this); | |
| 887 | |
| 888 if(screen->flags & SDL_HWPALETTE) { | |
| 889 /* Since the full-screen window might have got a nonzero background | |
| 890 colour (0 is white on some displays), we should reset the | |
| 891 background to 0 here since that is what the user expects | |
| 892 with a private colormap */ | |
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893 XSetWindowBackground(SDL_Display, FSwindow, 0); |
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894 XClearWindow(SDL_Display, FSwindow); |
| 0 | 895 } |
| 896 | |
| 897 /* resize the (possibly new) window manager window */ | |
| 898 if( !SDL_windowid ) { | |
| 899 X11_SetSizeHints(this, w, h, flags); | |
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900 window_w = w; |
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901 window_h = h; |
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902 XResizeWindow(SDL_Display, WMwindow, w, h); |
| 0 | 903 } |
| 904 | |
| 905 /* Create (or use) the X11 display window */ | |
| 906 if ( !SDL_windowid ) { | |
| 907 if ( flags & SDL_OPENGL ) { | |
| 908 if ( X11_GL_CreateWindow(this, w, h) < 0 ) { | |
| 909 return(-1); | |
| 910 } | |
| 911 } else { | |
| 912 XSetWindowAttributes swa; | |
| 913 | |
| 914 swa.background_pixel = 0; | |
| 915 swa.border_pixel = 0; | |
| 916 swa.colormap = SDL_XColorMap; | |
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917 SDL_Window = XCreateWindow(SDL_Display, WMwindow, |
| 0 | 918 0, 0, w, h, 0, depth, |
| 919 InputOutput, SDL_Visual, | |
| 920 CWBackPixel | CWBorderPixel | |
| 921 | CWColormap, &swa); | |
| 922 } | |
| 923 /* Only manage our input if we own the window */ | |
|
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
|
924 XSelectInput(SDL_Display, SDL_Window, |
| 0 | 925 ( EnterWindowMask | LeaveWindowMask |
| 926 | ButtonPressMask | ButtonReleaseMask | |
| 927 | PointerMotionMask | ExposureMask )); | |
| 928 } | |
| 929 /* Create the graphics context here, once we have a window */ | |
| 930 if ( flags & SDL_OPENGL ) { | |
| 931 if ( X11_GL_CreateContext(this) < 0 ) { | |
| 932 return(-1); | |
| 933 } else { | |
| 934 screen->flags |= SDL_OPENGL; | |
| 935 } | |
| 936 } else { | |
| 937 XGCValues gcv; | |
| 938 | |
| 939 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
|
940 SDL_GC = XCreateGC(SDL_Display, SDL_Window, |
| 0 | 941 GCGraphicsExposures, &gcv); |
| 942 if ( ! SDL_GC ) { | |
| 943 SDL_SetError("Couldn't create graphics context"); | |
| 944 return(-1); | |
| 945 } | |
| 946 } | |
| 947 | |
| 948 /* Set our colormaps when not setting a GL mode */ | |
| 949 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
|
950 XSetWindowColormap(SDL_Display, SDL_Window, SDL_XColorMap); |
| 0 | 951 if( !SDL_windowid ) { |
|
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
|
952 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
|
953 XSetWindowColormap(SDL_Display, WMwindow, SDL_XColorMap); |
| 0 | 954 } |
| 955 } | |
| 956 | |
| 957 #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
|
958 if ( SDL_getenv("SDL_VIDEO_X11_BACKINGSTORE") ) |
| 0 | 959 #endif |
| 960 /* Cache the window in the server, when possible */ | |
| 961 { | |
| 962 Screen *xscreen; | |
| 963 XSetWindowAttributes a; | |
| 964 | |
| 965 xscreen = ScreenOfDisplay(SDL_Display, SDL_Screen); | |
| 966 a.backing_store = DoesBackingStore(xscreen); | |
| 967 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
|
968 XChangeWindowAttributes(SDL_Display, SDL_Window, |
| 0 | 969 CWBackingStore, &a); |
| 970 } | |
| 971 } | |
| 972 | |
| 973 /* Update the internal keyboard state */ | |
| 1327 | 974 X11_SetKeyboardState(SDL_Display, NULL); |
| 0 | 975 |
|
444
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
976 /* 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
|
977 { |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
978 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
|
979 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
|
980 switch (i) { |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
981 case SDLK_NUMLOCK: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
982 case SDLK_CAPSLOCK: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
983 case SDLK_LCTRL: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
984 case SDLK_RCTRL: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
985 case SDLK_LSHIFT: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
986 case SDLK_RSHIFT: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
987 case SDLK_LALT: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
988 case SDLK_RALT: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
989 case SDLK_LMETA: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
990 case SDLK_RMETA: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
991 case SDLK_MODE: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
992 break; |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
993 default: |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
994 keys[i] = SDL_RELEASED; |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
995 break; |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
996 } |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
997 } |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
998 } |
|
406b12a17b15
Only modifier key state is noted when X11 window opens
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
999 |
| 0 | 1000 /* Map them both and go fullscreen, if requested */ |
| 1001 if ( ! SDL_windowid ) { | |
|
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
|
1002 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
|
1003 XMapWindow(SDL_Display, WMwindow); |
| 160 | 1004 X11_WaitMapped(this, WMwindow); |
| 0 | 1005 if ( flags & SDL_FULLSCREEN ) { |
| 1006 screen->flags |= SDL_FULLSCREEN; | |
| 1007 X11_EnterFullScreen(this); | |
| 1008 } else { | |
| 1009 screen->flags &= ~SDL_FULLSCREEN; | |
| 1010 } | |
| 1011 } | |
|
1178
9867f3d86e44
Real Unicode support for X11. Based on updated version of this patch:
Ryan C. Gordon <icculus@icculus.org>
parents:
1168
diff
changeset
|
1012 |
| 0 | 1013 return(0); |
| 1014 } | |
| 1015 | |
| 1016 static int X11_ResizeWindow(_THIS, | |
| 1017 SDL_Surface *screen, int w, int h, Uint32 flags) | |
| 1018 { | |
| 1019 if ( ! SDL_windowid ) { | |
| 1020 /* Resize the window manager window */ | |
| 1021 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
|
1022 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
|
1023 window_h = h; |
|
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
|
1024 XResizeWindow(SDL_Display, WMwindow, w, h); |
| 0 | 1025 |
| 1026 /* Resize the fullscreen and display windows */ | |
| 1027 if ( flags & SDL_FULLSCREEN ) { | |
| 1028 if ( screen->flags & SDL_FULLSCREEN ) { | |
| 1029 X11_ResizeFullScreen(this); | |
| 1030 } else { | |
| 1031 screen->flags |= SDL_FULLSCREEN; | |
| 1032 X11_EnterFullScreen(this); | |
| 1033 } | |
| 1034 } else { | |
| 1035 if ( screen->flags & SDL_FULLSCREEN ) { | |
| 1036 screen->flags &= ~SDL_FULLSCREEN; | |
| 1037 X11_LeaveFullScreen(this); | |
| 1038 } | |
| 1039 } | |
|
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
|
1040 XResizeWindow(SDL_Display, SDL_Window, w, h); |
| 0 | 1041 } |
| 1042 return(0); | |
| 1043 } | |
| 1044 | |
| 1045 SDL_Surface *X11_SetVideoMode(_THIS, SDL_Surface *current, | |
| 1046 int width, int height, int bpp, Uint32 flags) | |
| 1047 { | |
| 1048 Uint32 saved_flags; | |
| 1049 | |
| 1050 /* Lock the event thread, in multi-threading environments */ | |
| 1051 SDL_Lock_EventThread(); | |
| 1052 | |
| 1053 /* Check the combination of flags we were passed */ | |
| 1054 if ( flags & SDL_FULLSCREEN ) { | |
| 1055 /* Clear fullscreen flag if not supported */ | |
| 1056 if ( SDL_windowid ) { | |
| 1057 flags &= ~SDL_FULLSCREEN; | |
| 1058 } | |
| 1059 } | |
| 1060 | |
| 1061 /* 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
|
1062 XSync(GFX_Display, False); |
| 0 | 1063 |
| 1064 /* Set up the X11 window */ | |
| 1065 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
|
1066 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
|
1067 && (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
|
1068 && ((saved_flags&SDL_NOFRAME) == (flags&SDL_NOFRAME)) ) { |
| 0 | 1069 if (X11_ResizeWindow(this, current, width, height, flags) < 0) { |
| 1070 current = NULL; | |
| 1071 goto done; | |
| 1072 } | |
| 1073 } else { | |
| 1074 if (X11_CreateWindow(this,current,width,height,bpp,flags) < 0) { | |
| 1075 current = NULL; | |
| 1076 goto done; | |
| 1077 } | |
| 1078 } | |
| 1079 | |
| 1080 /* Set up the new mode framebuffer */ | |
| 1081 if ( ((current->w != width) || (current->h != height)) || | |
| 1082 ((saved_flags&SDL_OPENGL) != (flags&SDL_OPENGL)) ) { | |
| 1083 current->w = width; | |
| 1084 current->h = height; | |
| 1085 current->pitch = SDL_CalculatePitch(current); | |
| 1086 X11_ResizeImage(this, current, flags); | |
| 1087 } | |
| 1088 current->flags |= (flags&(SDL_RESIZABLE|SDL_NOFRAME)); | |
| 1089 | |
| 1090 done: | |
| 1091 /* 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
|
1092 XSync(SDL_Display, False); |
| 0 | 1093 SDL_Unlock_EventThread(); |
| 1094 | |
| 1095 /* We're done! */ | |
| 1096 return(current); | |
| 1097 } | |
| 1098 | |
| 1099 static int X11_ToggleFullScreen(_THIS, int on) | |
| 1100 { | |
| 1101 Uint32 event_thread; | |
| 1102 | |
| 1103 /* Don't switch if we don't own the window */ | |
| 1104 if ( SDL_windowid ) { | |
| 1105 return(0); | |
| 1106 } | |
| 1107 | |
| 1108 /* Don't lock if we are the event thread */ | |
| 1109 event_thread = SDL_EventThreadID(); | |
| 1110 if ( event_thread && (SDL_ThreadID() == event_thread) ) { | |
| 1111 event_thread = 0; | |
| 1112 } | |
| 1113 if ( event_thread ) { | |
| 1114 SDL_Lock_EventThread(); | |
| 1115 } | |
| 1116 if ( on ) { | |
| 1117 this->screen->flags |= SDL_FULLSCREEN; | |
| 1118 X11_EnterFullScreen(this); | |
| 1119 } else { | |
| 1120 this->screen->flags &= ~SDL_FULLSCREEN; | |
| 1121 X11_LeaveFullScreen(this); | |
| 1122 } | |
| 1123 X11_RefreshDisplay(this); | |
| 1124 if ( event_thread ) { | |
| 1125 SDL_Unlock_EventThread(); | |
| 1126 } | |
| 1127 SDL_ResetKeyboard(); | |
| 1128 return(1); | |
| 1129 } | |
| 1130 | |
| 1131 /* Update the current mouse state and position */ | |
| 1132 static void X11_UpdateMouse(_THIS) | |
| 1133 { | |
| 1134 Window u1; int u2; | |
| 1135 Window current_win; | |
| 1136 int x, y; | |
| 1137 unsigned int mask; | |
| 1138 | |
| 1139 /* Lock the event thread, in multi-threading environments */ | |
| 1140 SDL_Lock_EventThread(); | |
|
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
|
1141 if ( XQueryPointer(SDL_Display, SDL_Window, &u1, ¤t_win, |
| 0 | 1142 &u2, &u2, &x, &y, &mask) ) { |
| 1143 if ( (x >= 0) && (x < SDL_VideoSurface->w) && | |
| 1144 (y >= 0) && (y < SDL_VideoSurface->h) ) { | |
| 1145 SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS); | |
| 1146 SDL_PrivateMouseMotion(0, 0, x, y); | |
| 1147 } else { | |
| 1148 SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS); | |
| 1149 } | |
| 1150 } | |
| 1151 SDL_Unlock_EventThread(); | |
| 1152 } | |
| 1153 | |
| 1154 /* simple colour distance metric. Supposed to be better than a plain | |
| 1155 Euclidian distance anyway. */ | |
| 1156 #define COLOUR_FACTOR 3 | |
| 1157 #define LIGHT_FACTOR 1 | |
| 1158 #define COLOUR_DIST(r1, g1, b1, r2, g2, b2) \ | |
| 1159 (COLOUR_FACTOR * (abs(r1 - r2) + abs(g1 - g2) + abs(b1 - b2)) \ | |
| 1160 + LIGHT_FACTOR * abs(r1 + g1 + b1 - (r2 + g2 + b2))) | |
| 1161 | |
| 1162 static void allocate_nearest(_THIS, SDL_Color *colors, | |
| 1163 SDL_Color *want, int nwant) | |
| 1164 { | |
| 1165 /* | |
| 1166 * There is no way to know which ones to choose from, so we retrieve | |
| 1167 * the entire colormap and try the nearest possible, until we find one | |
| 1168 * that is shared. | |
| 1169 */ | |
| 1170 XColor all[256]; | |
| 1171 int i; | |
| 1172 for(i = 0; i < 256; i++) | |
| 1173 all[i].pixel = i; | |
| 1174 /* | |
| 1175 * XQueryColors sets the flags in the XColor struct, so we use | |
| 1176 * that to keep track of which colours are available | |
| 1177 */ | |
|
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
|
1178 XQueryColors(GFX_Display, SDL_XColorMap, all, 256); |
| 0 | 1179 |
| 1180 for(i = 0; i < nwant; i++) { | |
| 1181 XColor *c; | |
| 1182 int j; | |
| 1183 int best = 0; | |
| 1184 int mindist = 0x7fffffff; | |
| 1185 int ri = want[i].r; | |
| 1186 int gi = want[i].g; | |
| 1187 int bi = want[i].b; | |
| 1188 for(j = 0; j < 256; j++) { | |
| 1189 int rj, gj, bj, d2; | |
| 1190 if(!all[j].flags) | |
| 1191 continue; /* unavailable colour cell */ | |
| 1192 rj = all[j].red >> 8; | |
| 1193 gj = all[j].green >> 8; | |
| 1194 bj = all[j].blue >> 8; | |
| 1195 d2 = COLOUR_DIST(ri, gi, bi, rj, gj, bj); | |
| 1196 if(d2 < mindist) { | |
| 1197 mindist = d2; | |
| 1198 best = j; | |
| 1199 } | |
| 1200 } | |
| 1201 if(SDL_XPixels[best]) | |
| 1202 continue; /* already allocated, waste no more time */ | |
| 1203 c = all + best; | |
|
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
|
1204 if(XAllocColor(GFX_Display, SDL_XColorMap, c)) { |
| 0 | 1205 /* got it */ |
|
236
3f09f52ac2cc
Fixed X11 icon color allocation (thanks Mattias!)
Sam Lantinga <slouken@libsdl.org>
parents:
160
diff
changeset
|
1206 colors[c->pixel].r = c->red >> 8; |
|
3f09f52ac2cc
Fixed X11 icon color allocation (thanks Mattias!)
Sam Lantinga <slouken@libsdl.org>
parents:
160
diff
changeset
|
1207 colors[c->pixel].g = c->green >> 8; |
|
3f09f52ac2cc
Fixed X11 icon color allocation (thanks Mattias!)
Sam Lantinga <slouken@libsdl.org>
parents:
160
diff
changeset
|
1208 colors[c->pixel].b = c->blue >> 8; |
|
3f09f52ac2cc
Fixed X11 icon color allocation (thanks Mattias!)
Sam Lantinga <slouken@libsdl.org>
parents:
160
diff
changeset
|
1209 ++SDL_XPixels[c->pixel]; |
| 0 | 1210 } else { |
| 1211 /* | |
| 1212 * The colour couldn't be allocated, probably being | |
| 1213 * owned as a r/w cell by another client. Flag it as | |
| 1214 * unavailable and try again. The termination of the | |
| 1215 * loop is guaranteed since at least black and white | |
| 1216 * are always there. | |
| 1217 */ | |
| 1218 c->flags = 0; | |
| 1219 i--; | |
| 1220 } | |
| 1221 } | |
| 1222 } | |
| 1223 | |
| 1224 int X11_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) | |
| 1225 { | |
| 1226 int nrej = 0; | |
| 1227 | |
| 1228 /* Check to make sure we have a colormap allocated */ | |
| 1229 if ( SDL_XPixels == NULL ) { | |
| 1230 return(0); | |
| 1231 } | |
| 1232 if ( (this->screen->flags & SDL_HWPALETTE) == SDL_HWPALETTE ) { | |
| 1233 /* private writable colormap: just set the colours we need */ | |
| 1234 XColor *xcmap; | |
| 1235 int i; | |
|
1338
604d73db6802
Removed uses of stdlib.h and string.h
Sam Lantinga <slouken@libsdl.org>
parents:
1336
diff
changeset
|
1236 xcmap = SDL_stack_alloc(XColor, ncolors); |
| 0 | 1237 if(xcmap == NULL) |
| 1238 return 0; | |
| 1239 for ( i=0; i<ncolors; ++i ) { | |
| 1240 xcmap[i].pixel = i + firstcolor; | |
| 1241 xcmap[i].red = (colors[i].r<<8)|colors[i].r; | |
| 1242 xcmap[i].green = (colors[i].g<<8)|colors[i].g; | |
| 1243 xcmap[i].blue = (colors[i].b<<8)|colors[i].b; | |
| 1244 xcmap[i].flags = (DoRed|DoGreen|DoBlue); | |
| 1245 } | |
|
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
|
1246 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
|
1247 XSync(GFX_Display, False); |
|
1338
604d73db6802
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1248 SDL_stack_free(xcmap); |
| 0 | 1249 } else { |
| 1250 /* | |
| 1251 * Shared colormap: We only allocate read-only cells, which | |
| 1252 * increases the likelyhood of colour sharing with other | |
| 1253 * clients. The pixel values will almost certainly be | |
| 1254 * different from the requested ones, so the user has to | |
| 1255 * walk the colormap and see which index got what colour. | |
| 1256 * | |
| 1257 * We can work directly with the logical palette since it | |
| 1258 * has already been set when we get here. | |
| 1259 */ | |
| 1260 SDL_Color *want, *reject; | |
| 1261 unsigned long *freelist; | |
| 1262 int i; | |
| 1263 int nfree = 0; | |
| 1264 int nc = this->screen->format->palette->ncolors; | |
| 1265 colors = this->screen->format->palette->colors; | |
|
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1266 freelist = SDL_stack_alloc(unsigned long, nc); |
| 0 | 1267 /* make sure multiple allocations of the same cell are freed */ |
| 1268 for(i = 0; i < ncolors; i++) { | |
| 1269 int pixel = firstcolor + i; | |
| 1270 while(SDL_XPixels[pixel]) { | |
| 1271 freelist[nfree++] = pixel; | |
| 1272 --SDL_XPixels[pixel]; | |
| 1273 } | |
| 1274 } | |
|
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1275 XFreeColors(GFX_Display, SDL_XColorMap, freelist, nfree, 0); |
|
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1276 SDL_stack_free(freelist); |
| 0 | 1277 |
|
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1278 want = SDL_stack_alloc(SDL_Color, ncolors); |
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1279 reject = SDL_stack_alloc(SDL_Color, ncolors); |
|
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1280 SDL_memcpy(want, colors + firstcolor, ncolors * sizeof(SDL_Color)); |
| 0 | 1281 /* make sure the user isn't fooled by her own wishes |
| 1282 (black is safe, always available in the default colormap) */ | |
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1283 SDL_memset(colors + firstcolor, 0, ncolors * sizeof(SDL_Color)); |
| 0 | 1284 |
| 1285 /* now try to allocate the colours */ | |
| 1286 for(i = 0; i < ncolors; i++) { | |
| 1287 XColor col; | |
| 1288 col.red = want[i].r << 8; | |
| 1289 col.green = want[i].g << 8; | |
| 1290 col.blue = want[i].b << 8; | |
| 1291 col.flags = DoRed | DoGreen | DoBlue; | |
|
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1292 if(XAllocColor(GFX_Display, SDL_XColorMap, &col)) { |
| 0 | 1293 /* We got the colour, or at least the nearest |
| 1294 the hardware could get. */ | |
| 1295 colors[col.pixel].r = col.red >> 8; | |
| 1296 colors[col.pixel].g = col.green >> 8; | |
| 1297 colors[col.pixel].b = col.blue >> 8; | |
| 1298 ++SDL_XPixels[col.pixel]; | |
| 1299 } else { | |
| 1300 /* | |
| 1301 * no more free cells, add it to the list | |
| 1302 * of rejected colours | |
| 1303 */ | |
| 1304 reject[nrej++] = want[i]; | |
| 1305 } | |
| 1306 } | |
| 1307 if(nrej) | |
| 1308 allocate_nearest(this, colors, reject, nrej); | |
|
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1309 SDL_stack_free(reject); |
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1310 SDL_stack_free(want); |
| 0 | 1311 } |
| 1312 return nrej == 0; | |
| 1313 } | |
| 1314 | |
| 1315 int X11_SetGammaRamp(_THIS, Uint16 *ramp) | |
| 1316 { | |
| 1317 int i, ncolors; | |
| 1318 XColor xcmap[256]; | |
| 1319 | |
| 1320 /* See if actually setting the gamma is supported */ | |
| 1321 if ( SDL_Visual->class != DirectColor ) { | |
| 1322 SDL_SetError("Gamma correction not supported on this visual"); | |
| 1323 return(-1); | |
| 1324 } | |
| 1325 | |
| 1326 /* Calculate the appropriate palette for the given gamma ramp */ | |
| 1327 ncolors = SDL_Visual->map_entries; | |
| 1328 for ( i=0; i<ncolors; ++i ) { | |
| 1329 Uint8 c = (256 * i / ncolors); | |
| 1330 xcmap[i].pixel = SDL_MapRGB(this->screen->format, c, c, c); | |
| 1331 xcmap[i].red = ramp[0*256+c]; | |
| 1332 xcmap[i].green = ramp[1*256+c]; | |
| 1333 xcmap[i].blue = ramp[2*256+c]; | |
| 1334 xcmap[i].flags = (DoRed|DoGreen|DoBlue); | |
| 1335 } | |
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1336 XStoreColors(GFX_Display, SDL_XColorMap, xcmap, ncolors); |
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1337 XSync(GFX_Display, False); |
| 0 | 1338 return(0); |
| 1339 } | |
| 1340 | |
| 1341 /* Note: If we are terminated, this could be called in the middle of | |
| 1342 another SDL video routine -- notably UpdateRects. | |
| 1343 */ | |
| 1344 void X11_VideoQuit(_THIS) | |
| 1345 { | |
| 1346 /* Shutdown everything that's still up */ | |
| 1347 /* The event thread should be done, so we can touch SDL_Display */ | |
| 1348 if ( SDL_Display != NULL ) { | |
| 1349 /* Flush any delayed updates */ | |
|
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1350 XSync(GFX_Display, False); |
| 0 | 1351 |
|
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1352 /* Close the connection with the IM server */ |
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1353 #ifdef X_HAVE_UTF8_STRING |
|
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1354 if (SDL_IC != NULL) { |
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1355 XDestroyIC(SDL_IC); |
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1356 SDL_IC = NULL; |
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1357 } |
|
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1358 if (SDL_IM != NULL) { |
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1359 XCloseIM(SDL_IM); |
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1360 SDL_IM = NULL; |
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1361 } |
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1362 #endif |
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1363 |
| 0 | 1364 /* Start shutting down the windows */ |
| 1365 X11_DestroyImage(this, this->screen); | |
| 1366 X11_DestroyWindow(this, this->screen); | |
| 1367 X11_FreeVideoModes(this); | |
| 1368 if ( SDL_XColorMap != SDL_DisplayColormap ) { | |
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1369 XFreeColormap(SDL_Display, SDL_XColorMap); |
| 0 | 1370 } |
| 1371 if ( SDL_iconcolors ) { | |
| 1372 unsigned long pixel; | |
|
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1373 Colormap dcmap = DefaultColormap(SDL_Display, |
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1374 SDL_Screen); |
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1375 for(pixel = 0; pixel < 256; ++pixel) { |
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1376 while(SDL_iconcolors[pixel] > 0) { |
|
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1377 XFreeColors(GFX_Display, |
|
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1378 dcmap, &pixel, 1, 0); |
| 0 | 1379 --SDL_iconcolors[pixel]; |
| 1380 } | |
| 1381 } | |
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1382 SDL_free(SDL_iconcolors); |
| 0 | 1383 SDL_iconcolors = NULL; |
| 1384 } | |
| 1385 /* Restore gamma settings if they've changed */ | |
| 1386 if ( SDL_GetAppState() & SDL_APPACTIVE ) { | |
| 1387 X11_SwapVidModeGamma(this); | |
| 1388 } | |
| 1389 | |
| 1390 /* Free that blank cursor */ | |
| 1391 if ( SDL_BlankCursor != NULL ) { | |
| 1392 this->FreeWMCursor(this, SDL_BlankCursor); | |
| 1393 SDL_BlankCursor = NULL; | |
| 1394 } | |
| 1395 | |
| 1396 /* Close the X11 graphics connection */ | |
| 1397 if ( GFX_Display != NULL ) { | |
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1398 XCloseDisplay(GFX_Display); |
| 0 | 1399 GFX_Display = NULL; |
| 1400 } | |
| 1401 | |
| 1402 /* Close the X11 display connection */ | |
|
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1403 XCloseDisplay(SDL_Display); |
| 0 | 1404 SDL_Display = NULL; |
| 1405 | |
| 1406 /* Reset the X11 error handlers */ | |
| 1407 if ( XIO_handler ) { | |
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1408 XSetIOErrorHandler(XIO_handler); |
| 0 | 1409 } |
| 1410 if ( X_handler ) { | |
|
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1411 XSetErrorHandler(X_handler); |
| 0 | 1412 } |
| 1413 | |
| 1414 /* Unload GL library after X11 shuts down */ | |
| 1415 X11_GL_UnloadLibrary(this); | |
| 1416 } | |
| 1417 if ( this->screen && (this->screen->flags & SDL_HWSURFACE) ) { | |
| 1418 /* Direct screen access, no memory buffer */ | |
| 1419 this->screen->pixels = NULL; | |
| 1420 } | |
| 1421 } | |
| 1422 |