Mercurial > sdl-ios-xcode
annotate src/video/x11/SDL_x11video.c @ 4067:07d621a03a94 SDL-1.2
Use SDL C functions (fixes security warnings on OpenBSD)
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sat, 14 Jul 2007 21:09:54 +0000 |
| parents | 3f93ccc2c01e |
| children | df2f562890a0 |
| 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 |
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57 #ifdef X_HAVE_UTF8_STRING |
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58 #include <locale.h> |
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59 #endif |
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60 |
| 0 | 61 /* Initialization/Query functions */ |
| 62 static int X11_VideoInit(_THIS, SDL_PixelFormat *vformat); | |
| 63 static SDL_Surface *X11_SetVideoMode(_THIS, SDL_Surface *current, int width, int height, int bpp, Uint32 flags); | |
| 64 static int X11_ToggleFullScreen(_THIS, int on); | |
| 65 static void X11_UpdateMouse(_THIS); | |
| 66 static int X11_SetColors(_THIS, int firstcolor, int ncolors, | |
| 67 SDL_Color *colors); | |
| 68 static int X11_SetGammaRamp(_THIS, Uint16 *ramp); | |
| 69 static void X11_VideoQuit(_THIS); | |
| 70 | |
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71 |
| 0 | 72 /* X11 driver bootstrap functions */ |
| 73 | |
| 74 static int X11_Available(void) | |
| 75 { | |
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76 Display *display = NULL; |
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77 if ( SDL_X11_LoadSymbols() ) { |
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78 display = XOpenDisplay(NULL); |
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79 if ( display != NULL ) { |
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80 XCloseDisplay(display); |
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81 } |
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82 SDL_X11_UnloadSymbols(); |
| 0 | 83 } |
| 84 return(display != NULL); | |
| 85 } | |
| 86 | |
| 87 static void X11_DeleteDevice(SDL_VideoDevice *device) | |
| 88 { | |
| 89 if ( device ) { | |
| 90 if ( device->hidden ) { | |
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91 SDL_free(device->hidden); |
| 0 | 92 } |
| 93 if ( device->gl_data ) { | |
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94 SDL_free(device->gl_data); |
| 0 | 95 } |
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96 SDL_free(device); |
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97 SDL_X11_UnloadSymbols(); |
| 0 | 98 } |
| 99 } | |
| 100 | |
| 101 static SDL_VideoDevice *X11_CreateDevice(int devindex) | |
| 102 { | |
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103 SDL_VideoDevice *device = NULL; |
| 0 | 104 |
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105 if ( SDL_X11_LoadSymbols() ) { |
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106 /* Initialize all variables that we clean on shutdown */ |
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107 device = (SDL_VideoDevice *)SDL_malloc(sizeof(SDL_VideoDevice)); |
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108 if ( device ) { |
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109 SDL_memset(device, 0, (sizeof *device)); |
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110 device->hidden = (struct SDL_PrivateVideoData *) |
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111 SDL_malloc((sizeof *device->hidden)); |
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112 SDL_memset(device->hidden, 0, (sizeof *device->hidden)); |
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113 device->gl_data = (struct SDL_PrivateGLData *) |
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114 SDL_malloc((sizeof *device->gl_data)); |
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115 SDL_memset(device->gl_data, 0, (sizeof *device->gl_data)); |
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116 } |
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117 if ( (device == NULL) || (device->hidden == NULL) || |
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118 (device->gl_data == NULL) ) { |
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119 SDL_OutOfMemory(); |
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120 X11_DeleteDevice(device); /* calls SDL_X11_UnloadSymbols(). */ |
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121 return(0); |
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122 } |
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123 SDL_memset(device->hidden, 0, (sizeof *device->hidden)); |
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124 SDL_memset(device->gl_data, 0, (sizeof *device->gl_data)); |
| 0 | 125 |
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126 /* Set the driver flags */ |
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127 device->handles_any_size = 1; |
| 0 | 128 |
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129 /* Set the function pointers */ |
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130 device->VideoInit = X11_VideoInit; |
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131 device->ListModes = X11_ListModes; |
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132 device->SetVideoMode = X11_SetVideoMode; |
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133 device->ToggleFullScreen = X11_ToggleFullScreen; |
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134 device->UpdateMouse = X11_UpdateMouse; |
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135 #if SDL_VIDEO_DRIVER_X11_XV |
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136 device->CreateYUVOverlay = X11_CreateYUVOverlay; |
| 0 | 137 #endif |
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138 device->SetColors = X11_SetColors; |
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139 device->UpdateRects = NULL; |
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140 device->VideoQuit = X11_VideoQuit; |
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141 device->AllocHWSurface = X11_AllocHWSurface; |
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142 device->CheckHWBlit = NULL; |
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143 device->FillHWRect = NULL; |
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144 device->SetHWColorKey = NULL; |
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145 device->SetHWAlpha = NULL; |
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146 device->LockHWSurface = X11_LockHWSurface; |
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147 device->UnlockHWSurface = X11_UnlockHWSurface; |
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148 device->FlipHWSurface = X11_FlipHWSurface; |
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149 device->FreeHWSurface = X11_FreeHWSurface; |
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150 device->SetGamma = X11_SetVidModeGamma; |
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151 device->GetGamma = X11_GetVidModeGamma; |
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152 device->SetGammaRamp = X11_SetGammaRamp; |
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153 device->GetGammaRamp = NULL; |
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154 #if SDL_VIDEO_OPENGL_GLX |
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155 device->GL_LoadLibrary = X11_GL_LoadLibrary; |
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156 device->GL_GetProcAddress = X11_GL_GetProcAddress; |
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157 device->GL_GetAttribute = X11_GL_GetAttribute; |
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158 device->GL_MakeCurrent = X11_GL_MakeCurrent; |
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159 device->GL_SwapBuffers = X11_GL_SwapBuffers; |
| 0 | 160 #endif |
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161 device->SetCaption = X11_SetCaption; |
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162 device->SetIcon = X11_SetIcon; |
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163 device->IconifyWindow = X11_IconifyWindow; |
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164 device->GrabInput = X11_GrabInput; |
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165 device->GetWMInfo = X11_GetWMInfo; |
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166 device->FreeWMCursor = X11_FreeWMCursor; |
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167 device->CreateWMCursor = X11_CreateWMCursor; |
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168 device->ShowWMCursor = X11_ShowWMCursor; |
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169 device->WarpWMCursor = X11_WarpWMCursor; |
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170 device->CheckMouseMode = X11_CheckMouseMode; |
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171 device->InitOSKeymap = X11_InitOSKeymap; |
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172 device->PumpEvents = X11_PumpEvents; |
| 0 | 173 |
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174 device->free = X11_DeleteDevice; |
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175 } |
| 0 | 176 |
| 177 return device; | |
| 178 } | |
| 179 | |
| 180 VideoBootStrap X11_bootstrap = { | |
| 181 "x11", "X Window System", | |
| 182 X11_Available, X11_CreateDevice | |
| 183 }; | |
| 184 | |
| 185 /* Normal X11 error handler routine */ | |
| 186 static int (*X_handler)(Display *, XErrorEvent *) = NULL; | |
| 187 static int x_errhandler(Display *d, XErrorEvent *e) | |
| 188 { | |
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189 #if SDL_VIDEO_DRIVER_X11_VIDMODE |
| 0 | 190 extern int vm_error; |
| 191 #endif | |
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192 #if SDL_VIDEO_DRIVER_X11_DGAMOUSE |
| 0 | 193 extern int dga_error; |
| 194 #endif | |
| 195 | |
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196 #if SDL_VIDEO_DRIVER_X11_VIDMODE |
| 0 | 197 /* VidMode errors are non-fatal. :) */ |
| 198 /* Are the errors offset by one from the error base? | |
| 199 e.g. the error base is 143, the code is 148, and the | |
| 200 actual error is XF86VidModeExtensionDisabled (4) ? | |
| 201 */ | |
| 202 if ( (vm_error >= 0) && | |
| 203 (((e->error_code == BadRequest)&&(e->request_code == vm_error)) || | |
| 204 ((e->error_code > vm_error) && | |
| 205 (e->error_code <= (vm_error+XF86VidModeNumberErrors)))) ) { | |
| 1765 | 206 #ifdef X11_DEBUG |
| 0 | 207 { char errmsg[1024]; |
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208 XGetErrorText(d, e->error_code, errmsg, sizeof(errmsg)); |
| 0 | 209 printf("VidMode error: %s\n", errmsg); |
| 210 } | |
| 211 #endif | |
| 212 return(0); | |
| 213 } | |
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214 #endif /* SDL_VIDEO_DRIVER_X11_VIDMODE */ |
| 0 | 215 |
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216 #if SDL_VIDEO_DRIVER_X11_DGAMOUSE |
| 0 | 217 /* DGA errors can be non-fatal. :) */ |
| 218 if ( (dga_error >= 0) && | |
| 219 ((e->error_code > dga_error) && | |
| 220 (e->error_code <= (dga_error+XF86DGANumberErrors))) ) { | |
| 1765 | 221 #ifdef X11_DEBUG |
| 0 | 222 { char errmsg[1024]; |
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223 XGetErrorText(d, e->error_code, errmsg, sizeof(errmsg)); |
| 0 | 224 printf("DGA error: %s\n", errmsg); |
| 225 } | |
| 226 #endif | |
| 227 return(0); | |
| 228 } | |
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229 #endif /* SDL_VIDEO_DRIVER_X11_DGAMOUSE */ |
| 0 | 230 |
| 231 return(X_handler(d,e)); | |
| 232 } | |
| 233 | |
| 234 /* X11 I/O error handler routine */ | |
| 235 static int (*XIO_handler)(Display *) = NULL; | |
| 236 static int xio_errhandler(Display *d) | |
| 237 { | |
| 238 /* Ack! Lost X11 connection! */ | |
| 239 | |
| 240 /* We will crash if we try to clean up our display */ | |
| 241 if ( current_video->hidden->Ximage ) { | |
| 242 SDL_VideoSurface->pixels = NULL; | |
| 243 } | |
| 244 current_video->hidden->X11_Display = NULL; | |
| 245 | |
| 246 /* Continue with the standard X11 error handler */ | |
| 247 return(XIO_handler(d)); | |
| 248 } | |
| 249 | |
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250 static int (*Xext_handler)(Display *, _Xconst char *, _Xconst char *) = NULL; |
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251 static int xext_errhandler(Display *d, _Xconst char *ext, _Xconst char *reason) |
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252 { |
| 1765 | 253 #ifdef X11_DEBUG |
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254 printf("Xext error inside SDL (may be harmless):\n"); |
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255 printf(" Extension \"%s\" %s on display \"%s\".\n", |
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256 ext, reason, XDisplayString(d)); |
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257 #endif |
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258 |
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259 if (SDL_strcmp(reason, "missing") == 0) { |
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260 /* |
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261 * Since the query itself, elsewhere, can handle a missing extension |
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262 * and the default behaviour in Xlib is to write to stderr, which |
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263 * generates unnecessary bug reports, we just ignore these. |
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264 */ |
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265 return 0; |
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266 } |
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267 |
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268 /* Everything else goes to the default handler... */ |
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269 return Xext_handler(d, ext, reason); |
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270 } |
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271 |
| 1325 | 272 /* Find out what class name we should use */ |
| 273 static char *get_classname(char *classname, int maxlen) | |
| 274 { | |
| 275 char *spot; | |
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276 #if defined(__LINUX__) || defined(__FREEBSD__) |
| 1325 | 277 char procfile[1024]; |
| 278 char linkfile[1024]; | |
| 279 int linksize; | |
| 280 #endif | |
| 281 | |
| 282 /* First allow environment variable override */ | |
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283 spot = SDL_getenv("SDL_VIDEO_X11_WMCLASS"); |
| 1325 | 284 if ( spot ) { |
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285 SDL_strlcpy(classname, spot, maxlen); |
| 1325 | 286 return classname; |
| 287 } | |
| 288 | |
| 289 /* Next look at the application's executable name */ | |
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290 #if defined(__LINUX__) || defined(__FREEBSD__) |
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291 #if defined(__LINUX__) |
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292 SDL_snprintf(procfile, SDL_arraysize(procfile), "/proc/%d/exe", getpid()); |
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293 #elif defined(__FREEBSD__) |
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294 SDL_snprintf(procfile, SDL_arraysize(procfile), "/proc/%d/file", getpid()); |
| 1325 | 295 #else |
| 296 #error Where can we find the executable name? | |
| 297 #endif | |
| 298 linksize = readlink(procfile, linkfile, sizeof(linkfile)-1); | |
| 299 if ( linksize > 0 ) { | |
| 300 linkfile[linksize] = '\0'; | |
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301 spot = SDL_strrchr(linkfile, '/'); |
| 1325 | 302 if ( spot ) { |
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303 SDL_strlcpy(classname, spot+1, maxlen); |
| 1325 | 304 } else { |
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305 SDL_strlcpy(classname, linkfile, maxlen); |
| 1325 | 306 } |
| 307 return classname; | |
| 308 } | |
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309 #endif /* __LINUX__ */ |
| 1325 | 310 |
| 311 /* Finally use the default we've used forever */ | |
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312 SDL_strlcpy(classname, "SDL_App", maxlen); |
| 1325 | 313 return classname; |
| 314 } | |
| 315 | |
| 0 | 316 /* Create auxiliary (toplevel) windows with the current visual */ |
| 317 static void create_aux_windows(_THIS) | |
| 318 { | |
| 1765 | 319 int x = 0, y = 0; |
| 1325 | 320 char classname[1024]; |
| 0 | 321 XSetWindowAttributes xattr; |
| 322 XWMHints *hints; | |
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323 unsigned long app_event_mask; |
| 0 | 324 int def_vis = (SDL_Visual == DefaultVisual(SDL_Display, SDL_Screen)); |
| 325 | |
| 1558 | 326 /* Look up some useful Atoms */ |
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327 WM_DELETE_WINDOW = XInternAtom(SDL_Display, "WM_DELETE_WINDOW", False); |
| 1558 | 328 |
| 0 | 329 /* Don't create any extra windows if we are being managed */ |
| 330 if ( SDL_windowid ) { | |
| 331 FSwindow = 0; | |
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332 WMwindow = SDL_strtol(SDL_windowid, NULL, 0); |
| 0 | 333 return; |
| 334 } | |
| 335 | |
| 336 if(FSwindow) | |
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337 XDestroyWindow(SDL_Display, FSwindow); |
| 0 | 338 |
| 1863 | 339 #if SDL_VIDEO_DRIVER_X11_XINERAMA |
| 1765 | 340 if ( use_xinerama ) { |
| 341 x = xinerama_info.x_org; | |
| 342 y = xinerama_info.y_org; | |
| 343 } | |
| 344 #endif | |
| 0 | 345 xattr.override_redirect = True; |
| 346 xattr.background_pixel = def_vis ? BlackPixel(SDL_Display, SDL_Screen) : 0; | |
| 347 xattr.border_pixel = 0; | |
| 348 xattr.colormap = SDL_XColorMap; | |
| 349 | |
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350 FSwindow = XCreateWindow(SDL_Display, SDL_Root, |
| 1765 | 351 x, y, 32, 32, 0, |
| 0 | 352 this->hidden->depth, InputOutput, SDL_Visual, |
| 353 CWOverrideRedirect | CWBackPixel | CWBorderPixel | |
| 354 | CWColormap, | |
| 355 &xattr); | |
| 356 | |
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357 XSelectInput(SDL_Display, FSwindow, StructureNotifyMask); |
| 0 | 358 |
| 359 /* Tell KDE to keep the fullscreen window on top */ | |
| 360 { | |
| 361 XEvent ev; | |
| 362 long mask; | |
| 363 | |
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364 SDL_memset(&ev, 0, sizeof(ev)); |
| 0 | 365 ev.xclient.type = ClientMessage; |
| 366 ev.xclient.window = SDL_Root; | |
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367 ev.xclient.message_type = XInternAtom(SDL_Display, |
| 0 | 368 "KWM_KEEP_ON_TOP", False); |
| 369 ev.xclient.format = 32; | |
| 370 ev.xclient.data.l[0] = FSwindow; | |
| 371 ev.xclient.data.l[1] = CurrentTime; | |
| 372 mask = SubstructureRedirectMask; | |
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373 XSendEvent(SDL_Display, SDL_Root, False, mask, &ev); |
| 0 | 374 } |
| 375 | |
| 376 hints = NULL; | |
| 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 XDestroyWindow(SDL_Display, WMwindow); |
| 0 | 381 } |
| 382 | |
| 383 /* Create the window for windowed management */ | |
| 384 /* (reusing the xattr structure above) */ | |
| 1765 | 385 WMwindow = XCreateWindow(SDL_Display, SDL_Root, |
| 386 x, y, 32, 32, 0, | |
| 0 | 387 this->hidden->depth, InputOutput, SDL_Visual, |
| 388 CWBackPixel | CWBorderPixel | CWColormap, | |
| 389 &xattr); | |
| 390 | |
| 391 /* Set the input hints so we get keyboard input */ | |
| 392 if(!hints) { | |
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393 hints = XAllocWMHints(); |
| 0 | 394 hints->input = True; |
| 395 hints->flags = InputHint; | |
| 396 } | |
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397 XSetWMHints(SDL_Display, WMwindow, hints); |
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398 XFree(hints); |
| 1767 | 399 X11_SetCaptionNoLock(this, this->wm_title, this->wm_icon); |
| 0 | 400 |
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401 app_event_mask = FocusChangeMask | KeyPressMask | KeyReleaseMask |
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402 | PropertyChangeMask | StructureNotifyMask | KeymapStateMask; |
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403 XSelectInput(SDL_Display, WMwindow, app_event_mask); |
| 0 | 404 |
| 405 /* Set the class hints so we can get an icon (AfterStep) */ | |
| 1325 | 406 get_classname(classname, sizeof(classname)); |
| 0 | 407 { |
| 408 XClassHint *classhints; | |
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409 classhints = XAllocClassHint(); |
| 0 | 410 if(classhints != NULL) { |
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411 classhints->res_name = classname; |
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parents:
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|
412 classhints->res_class = classname; |
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|
413 XSetClassHint(SDL_Display, WMwindow, classhints); |
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|
414 XFree(classhints); |
| 0 | 415 } |
| 416 } | |
| 417 | |
|
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Clean up have-initialized resources in some failing edge cases.
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418 /* Setup the communication with the IM server */ |
|
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419 /* create_aux_windows may be called several times against the same |
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420 Display. We should reuse the SDL_IM if one has been opened for |
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|
421 the Display, so we should not simply reset SDL_IM here. */ |
|
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9867f3d86e44
Real Unicode support for X11. Based on updated version of this patch:
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parents:
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|
422 |
|
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|
423 #ifdef X_HAVE_UTF8_STRING |
|
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Updated dynamic X11 code. See details in Bugzilla #170.
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|
424 if (SDL_X11_HAVE_UTF8) { |
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|
425 /* Discard obsolete resources if any. */ |
|
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426 if (SDL_IM != NULL && SDL_Display != XDisplayOfIM(SDL_IM)) { |
|
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|
427 /* Just a double check. I don't think this |
|
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|
428 code is ever executed. */ |
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|
429 SDL_SetError("display has changed while an IM is kept"); |
|
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430 if (SDL_IC) { |
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|
431 XUnsetICFocus(SDL_IC); |
|
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432 XDestroyIC(SDL_IC); |
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433 SDL_IC = NULL; |
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434 } |
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435 XCloseIM(SDL_IM); |
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436 SDL_IM = NULL; |
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437 } |
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438 |
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|
439 /* Open an input method. */ |
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440 if (SDL_IM == NULL) { |
|
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441 char *old_locale = NULL, *old_modifiers = NULL; |
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442 const char *p; |
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443 size_t n; |
|
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444 /* I'm not comfortable to do locale setup |
|
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|
445 here. However, we need C library locale |
|
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446 (and xlib modifiers) to be set based on the |
|
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447 user's preference to use XIM, and many |
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448 existing game programs doesn't take care of |
|
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449 users' locale preferences, so someone other |
|
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450 than the game program should do it. |
|
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451 Moreover, ones say that some game programs |
|
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452 heavily rely on the C locale behaviour, |
|
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|
453 e.g., strcol()'s, and we can't change the C |
|
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|
454 library locale. Given the situation, I |
|
b966761fef6c
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455 couldn't find better place to do the |
|
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|
456 job... */ |
|
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|
457 |
|
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|
458 /* Save the current (application program's) |
|
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|
459 locale settings. */ |
|
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Use SDL C functions (fixes security warnings on OpenBSD)
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|
460 p = setlocale(LC_ALL, NULL); |
|
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461 if ( p ) { |
|
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462 n = SDL_strlen(p)+1; |
|
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|
463 old_locale = SDL_stack_alloc(char, n); |
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|
464 if ( old_locale ) { |
|
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465 SDL_strlcpy(old_locale, p, n); |
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466 } |
|
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467 } |
|
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|
468 p = XSetLocaleModifiers(NULL); |
|
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|
469 if ( p ) { |
|
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|
470 n = SDL_strlen(p)+1; |
|
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|
471 old_modifiers = SDL_stack_alloc(char, n); |
|
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|
472 if ( old_modifiers ) { |
|
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|
473 SDL_strlcpy(old_modifiers, p, n); |
|
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Sam Lantinga <slouken@libsdl.org>
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|
474 } |
|
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|
475 } |
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|
476 |
|
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changeset
|
477 /* Fetch the user's preferences and open the |
|
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|
478 input method with them. */ |
|
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|
479 setlocale(LC_ALL, ""); |
|
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|
480 XSetLocaleModifiers(""); |
|
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|
481 SDL_IM = XOpenIM(SDL_Display, NULL, classname, classname); |
|
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|
482 |
|
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Significantly improved XIM support.
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changeset
|
483 /* Restore the application's locale settings |
|
b966761fef6c
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parents:
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changeset
|
484 so that we don't break the application's |
|
b966761fef6c
Significantly improved XIM support.
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parents:
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diff
changeset
|
485 expected behaviour. */ |
|
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Use SDL C functions (fixes security warnings on OpenBSD)
Sam Lantinga <slouken@libsdl.org>
parents:
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changeset
|
486 if ( old_locale ) { |
|
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diff
changeset
|
487 /* We need to restore the C library |
|
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Significantly improved XIM support.
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diff
changeset
|
488 locale first, since the |
|
b966761fef6c
Significantly improved XIM support.
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diff
changeset
|
489 interpretation of the X modifier |
|
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parents:
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changeset
|
490 may depend on it. */ |
|
b966761fef6c
Significantly improved XIM support.
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changeset
|
491 setlocale(LC_ALL, old_locale); |
|
4067
07d621a03a94
Use SDL C functions (fixes security warnings on OpenBSD)
Sam Lantinga <slouken@libsdl.org>
parents:
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diff
changeset
|
492 SDL_stack_free(old_locale); |
|
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Use SDL C functions (fixes security warnings on OpenBSD)
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|
493 } |
|
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Use SDL C functions (fixes security warnings on OpenBSD)
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changeset
|
494 if ( old_modifiers ) { |
|
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changeset
|
495 XSetLocaleModifiers(old_modifiers); |
|
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Use SDL C functions (fixes security warnings on OpenBSD)
Sam Lantinga <slouken@libsdl.org>
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changeset
|
496 SDL_stack_free(old_modifiers); |
|
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|
497 } |
|
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Significantly improved XIM support.
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|
498 } |
|
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Significantly improved XIM support.
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changeset
|
499 |
|
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diff
changeset
|
500 /* Create a new input context for the new window just created. */ |
|
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
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parents:
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diff
changeset
|
501 if (SDL_IM == NULL) { |
|
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
502 SDL_SetError("no input method could be opened"); |
|
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
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diff
changeset
|
503 } else { |
|
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changeset
|
504 if (SDL_IC != NULL) { |
|
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Significantly improved XIM support.
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diff
changeset
|
505 /* Discard the old IC before creating new one. */ |
|
b966761fef6c
Significantly improved XIM support.
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diff
changeset
|
506 XUnsetICFocus(SDL_IC); |
|
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Significantly improved XIM support.
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changeset
|
507 XDestroyIC(SDL_IC); |
|
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Significantly improved XIM support.
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diff
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|
508 } |
|
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Significantly improved XIM support.
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
509 /* Theoretically we should check the current IM supports |
|
b966761fef6c
Significantly improved XIM support.
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parents:
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diff
changeset
|
510 PreeditNothing+StatusNothing style (i.e., root window method) |
|
b966761fef6c
Significantly improved XIM support.
Ryan C. Gordon <icculus@icculus.org>
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diff
changeset
|
511 before creating the IC. However, it is the bottom line method, |
|
b966761fef6c
Significantly improved XIM support.
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diff
changeset
|
512 and we supports any other options. If the IM didn't support |
|
b966761fef6c
Significantly improved XIM support.
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diff
changeset
|
513 root window method, the following call fails, and SDL falls |
|
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Significantly improved XIM support.
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diff
changeset
|
514 back to pre-XIM keyboard handling. */ |
|
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Updated dynamic X11 code. See details in Bugzilla #170.
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diff
changeset
|
515 SDL_IC = pXCreateIC(SDL_IM, |
|
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Updated dynamic X11 code. See details in Bugzilla #170.
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changeset
|
516 XNClientWindow, WMwindow, |
|
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Updated dynamic X11 code. See details in Bugzilla #170.
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changeset
|
517 XNFocusWindow, WMwindow, |
|
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changeset
|
518 XNInputStyle, XIMPreeditNothing | XIMStatusNothing, |
|
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Updated dynamic X11 code. See details in Bugzilla #170.
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diff
changeset
|
519 XNResourceName, classname, |
|
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Updated dynamic X11 code. See details in Bugzilla #170.
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diff
changeset
|
520 XNResourceClass, classname, |
|
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
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diff
changeset
|
521 NULL); |
|
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Updated dynamic X11 code. See details in Bugzilla #170.
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diff
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|
522 |
|
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
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parents:
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diff
changeset
|
523 if (SDL_IC == NULL) { |
|
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
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diff
changeset
|
524 SDL_SetError("no input context could be created"); |
|
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Updated dynamic X11 code. See details in Bugzilla #170.
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|
525 XCloseIM(SDL_IM); |
|
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Updated dynamic X11 code. See details in Bugzilla #170.
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changeset
|
526 SDL_IM = NULL; |
|
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changeset
|
527 } else { |
|
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Significantly improved XIM support.
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diff
changeset
|
528 /* We need to receive X events that an IM wants and to pass |
|
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Significantly improved XIM support.
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diff
changeset
|
529 them to the IM through XFilterEvent. The set of events may |
|
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Significantly improved XIM support.
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530 vary depending on the IM implementation and the options |
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531 specified through various routes. Although unlikely, the |
|
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532 xlib specification allows IM to change the event requirement |
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533 with its own circumstances, it is safe to call SelectInput |
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534 whenever we re-create an IC. */ |
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535 unsigned long mask = 0; |
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536 char *ret = pXGetICValues(SDL_IC, XNFilterEvents, &mask, NULL); |
|
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537 if (ret != NULL) { |
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538 XUnsetICFocus(SDL_IC); |
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539 XDestroyIC(SDL_IC); |
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540 SDL_IC = NULL; |
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541 SDL_SetError("no input context could be created"); |
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542 XCloseIM(SDL_IM); |
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543 SDL_IM = NULL; |
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544 } else { |
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545 XSelectInput(SDL_Display, WMwindow, app_event_mask | mask); |
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546 XSetICFocus(SDL_IC); |
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547 } |
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548 } |
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549 } |
|
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550 } |
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551 #endif |
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552 |
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553 /* Allow the window to be deleted by the window manager */ |
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554 XSetWMProtocols(SDL_Display, WMwindow, &WM_DELETE_WINDOW, 1); |
| 0 | 555 } |
| 556 | |
| 557 static int X11_VideoInit(_THIS, SDL_PixelFormat *vformat) | |
| 558 { | |
|
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559 const char *env = NULL; |
| 0 | 560 char *display; |
| 561 int i; | |
| 562 | |
| 563 /* Open the X11 display */ | |
| 564 display = NULL; /* Get it from DISPLAY environment variable */ | |
| 565 | |
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566 if ( (SDL_strncmp(XDisplayName(display), ":", 1) == 0) || |
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567 (SDL_strncmp(XDisplayName(display), "unix:", 5) == 0) ) { |
| 0 | 568 local_X11 = 1; |
| 569 } else { | |
| 570 local_X11 = 0; | |
| 571 } | |
|
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572 SDL_Display = XOpenDisplay(display); |
|
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573 #if defined(__osf__) && defined(SDL_VIDEO_DRIVER_X11_DYNAMIC) |
|
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574 /* On Tru64 if linking without -lX11, it fails and you get following message. |
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575 * Xlib: connection to ":0.0" refused by server |
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576 * Xlib: XDM authorization key matches an existing client! |
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577 * |
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578 * It succeeds if retrying 1 second later |
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579 * or if running xhost +localhost on shell. |
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580 * |
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581 */ |
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582 if ( SDL_Display == NULL ) { |
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583 SDL_Delay(1000); |
|
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584 SDL_Display = XOpenDisplay(display); |
|
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585 } |
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586 #endif |
| 0 | 587 if ( SDL_Display == NULL ) { |
| 588 SDL_SetError("Couldn't open X11 display"); | |
| 589 return(-1); | |
| 590 } | |
| 591 #ifdef X11_DEBUG | |
|
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592 XSynchronize(SDL_Display, True); |
| 0 | 593 #endif |
| 594 | |
| 595 /* Create an alternate X display for graphics updates -- allows us | |
| 596 to do graphics updates in a separate thread from event handling. | |
| 597 Thread-safe X11 doesn't seem to exist. | |
| 598 */ | |
|
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599 GFX_Display = XOpenDisplay(display); |
| 0 | 600 if ( GFX_Display == NULL ) { |
|
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601 XCloseDisplay(SDL_Display); |
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602 SDL_Display = NULL; |
| 0 | 603 SDL_SetError("Couldn't open X11 display"); |
| 604 return(-1); | |
| 605 } | |
| 606 | |
| 607 /* Set the normal X error handler */ | |
|
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608 X_handler = XSetErrorHandler(x_errhandler); |
| 0 | 609 |
| 610 /* Set the error handler if we lose the X display */ | |
|
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611 XIO_handler = XSetIOErrorHandler(xio_errhandler); |
| 0 | 612 |
|
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Catch X11 extension errors...since most of these are notifications that we
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613 /* Set the X extension error handler */ |
|
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614 Xext_handler = XSetExtensionErrorHandler(xext_errhandler); |
|
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Catch X11 extension errors...since most of these are notifications that we
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615 |
| 0 | 616 /* use default screen (from $DISPLAY) */ |
| 617 SDL_Screen = DefaultScreen(SDL_Display); | |
| 618 | |
| 619 #ifndef NO_SHARED_MEMORY | |
| 620 /* Check for MIT shared memory extension */ | |
|
556
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Fixed compile error if there is no X11 shared memory support.
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621 use_mitshm = 0; |
| 0 | 622 if ( local_X11 ) { |
|
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623 use_mitshm = XShmQueryExtension(SDL_Display); |
| 0 | 624 } |
| 625 #endif /* NO_SHARED_MEMORY */ | |
| 626 | |
| 627 /* Get the available video modes */ | |
|
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628 if(X11_GetVideoModes(this) < 0) { |
|
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629 XCloseDisplay(GFX_Display); |
|
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630 GFX_Display = NULL; |
|
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|
631 XCloseDisplay(SDL_Display); |
|
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632 SDL_Display = NULL; |
| 0 | 633 return -1; |
|
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634 } |
| 0 | 635 |
|
1545
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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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636 /* 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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637 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.
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638 this->info.current_h = DisplayHeight(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.
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639 |
| 0 | 640 /* Determine the default screen depth: |
| 641 Use the default visual (or at least one with the same depth) */ | |
| 642 SDL_DisplayColormap = DefaultColormap(SDL_Display, SDL_Screen); | |
| 643 for(i = 0; i < this->hidden->nvisuals; i++) | |
| 644 if(this->hidden->visuals[i].depth == DefaultDepth(SDL_Display, | |
| 645 SDL_Screen)) | |
| 646 break; | |
| 647 if(i == this->hidden->nvisuals) { | |
| 648 /* default visual was useless, take the deepest one instead */ | |
| 649 i = 0; | |
| 650 } | |
| 651 SDL_Visual = this->hidden->visuals[i].visual; | |
| 652 if ( SDL_Visual == DefaultVisual(SDL_Display, SDL_Screen) ) { | |
| 653 SDL_XColorMap = SDL_DisplayColormap; | |
| 654 } else { | |
|
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655 SDL_XColorMap = XCreateColormap(SDL_Display, SDL_Root, |
| 0 | 656 SDL_Visual, AllocNone); |
| 657 } | |
| 658 this->hidden->depth = this->hidden->visuals[i].depth; | |
| 659 vformat->BitsPerPixel = this->hidden->visuals[i].bpp; | |
| 660 if ( vformat->BitsPerPixel > 8 ) { | |
| 661 vformat->Rmask = SDL_Visual->red_mask; | |
| 662 vformat->Gmask = SDL_Visual->green_mask; | |
| 663 vformat->Bmask = SDL_Visual->blue_mask; | |
| 664 } | |
| 1641 | 665 if ( this->hidden->depth == 32 ) { |
| 666 vformat->Amask = (0xFFFFFFFF & ~(vformat->Rmask|vformat->Gmask|vformat->Bmask)); | |
| 667 } | |
| 0 | 668 X11_SaveVidModeGamma(this); |
| 669 | |
| 1783 | 670 /* Save DPMS and screensaver settings */ |
|
1784
45669d4efd02
Disable the screensaver in DGA mode, which is even more important than X11...
Sam Lantinga <slouken@libsdl.org>
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diff
changeset
|
671 X11_SaveScreenSaver(SDL_Display, &screensaver_timeout, &dpms_enabled); |
|
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672 X11_DisableScreenSaver(this, SDL_Display); |
| 1783 | 673 |
| 0 | 674 /* See if we have been passed a window to use */ |
|
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675 SDL_windowid = SDL_getenv("SDL_WINDOWID"); |
| 0 | 676 |
| 677 /* Create the fullscreen and managed windows */ | |
| 678 create_aux_windows(this); | |
| 679 | |
| 680 /* Create the blank cursor */ | |
| 681 SDL_BlankCursor = this->CreateWMCursor(this, blank_cdata, blank_cmask, | |
| 682 BLANK_CWIDTH, BLANK_CHEIGHT, | |
| 683 BLANK_CHOTX, BLANK_CHOTY); | |
| 684 | |
| 685 /* Fill in some window manager capabilities */ | |
| 686 this->info.wm_available = 1; | |
| 687 | |
|
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Let app set SDL_VIDEO_ALLOW_SCREENSAVER environment variable to override SDL's
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|
688 /* Allow environment override of screensaver disable. */ |
|
c5c3c772f5aa
Let app set SDL_VIDEO_ALLOW_SCREENSAVER environment variable to override SDL's
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|
689 env = SDL_getenv("SDL_VIDEO_ALLOW_SCREENSAVER"); |
|
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Let app set SDL_VIDEO_ALLOW_SCREENSAVER environment variable to override SDL's
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690 this->hidden->allow_screensaver = ( (env && SDL_atoi(env)) ? 1 : 0 ); |
|
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Let app set SDL_VIDEO_ALLOW_SCREENSAVER environment variable to override SDL's
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|
691 |
| 0 | 692 /* We're done! */ |
|
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|
693 XFlush(SDL_Display); |
| 0 | 694 return(0); |
| 695 } | |
| 696 | |
| 697 static void X11_DestroyWindow(_THIS, SDL_Surface *screen) | |
| 698 { | |
| 699 /* Clean up OpenGL */ | |
| 700 if ( screen ) { | |
| 701 screen->flags &= ~(SDL_OPENGL|SDL_OPENGLBLIT); | |
| 702 } | |
| 703 X11_GL_Shutdown(this); | |
| 704 | |
| 705 if ( ! SDL_windowid ) { | |
| 706 /* Hide the managed window */ | |
| 707 if ( WMwindow ) { | |
|
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708 XUnmapWindow(SDL_Display, WMwindow); |
| 0 | 709 } |
| 710 if ( screen && (screen->flags & SDL_FULLSCREEN) ) { | |
| 711 screen->flags &= ~SDL_FULLSCREEN; | |
| 712 X11_LeaveFullScreen(this); | |
| 713 } | |
| 714 | |
| 715 /* Destroy the output window */ | |
| 716 if ( SDL_Window ) { | |
|
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|
717 XDestroyWindow(SDL_Display, SDL_Window); |
| 0 | 718 } |
| 719 | |
| 720 /* Free the colormap entries */ | |
| 721 if ( SDL_XPixels ) { | |
| 722 int numcolors; | |
| 723 unsigned long pixel; | |
| 724 numcolors = SDL_Visual->map_entries; | |
| 725 for ( pixel=0; pixel<numcolors; ++pixel ) { | |
| 726 while ( SDL_XPixels[pixel] > 0 ) { | |
|
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|
727 XFreeColors(GFX_Display, |
| 0 | 728 SDL_DisplayColormap,&pixel,1,0); |
| 729 --SDL_XPixels[pixel]; | |
| 730 } | |
| 731 } | |
|
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|
732 SDL_free(SDL_XPixels); |
| 0 | 733 SDL_XPixels = NULL; |
| 734 } | |
| 735 | |
| 736 /* Free the graphics context */ | |
| 737 if ( SDL_GC ) { | |
|
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|
738 XFreeGC(SDL_Display, SDL_GC); |
| 0 | 739 SDL_GC = 0; |
| 740 } | |
| 741 } | |
| 742 } | |
| 743 | |
|
497
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Cleaned up the SDL_VIDEO_WINDOW_POS variable support
Sam Lantinga <slouken@libsdl.org>
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485
diff
changeset
|
744 static SDL_bool X11_WindowPosition(_THIS, int *x, int *y, int w, int h) |
|
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745 { |
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746 const char *window = SDL_getenv("SDL_VIDEO_WINDOW_POS"); |
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747 const char *center = SDL_getenv("SDL_VIDEO_CENTERED"); |
|
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748 if ( window ) { |
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749 if ( SDL_sscanf(window, "%d,%d", x, y) == 2 ) { |
|
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750 return SDL_TRUE; |
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751 } |
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752 if ( SDL_strcmp(window, "center") == 0 ) { |
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753 center = window; |
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754 } |
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755 } |
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756 if ( center ) { |
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757 *x = (DisplayWidth(SDL_Display, SDL_Screen) - w)/2; |
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758 *y = (DisplayHeight(SDL_Display, SDL_Screen) - h)/2; |
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759 return SDL_TRUE; |
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760 } |
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761 return SDL_FALSE; |
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762 } |
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763 |
| 0 | 764 static void X11_SetSizeHints(_THIS, int w, int h, Uint32 flags) |
| 765 { | |
| 766 XSizeHints *hints; | |
| 767 | |
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768 hints = XAllocSizeHints(); |
| 0 | 769 if ( hints ) { |
| 770 if ( flags & SDL_RESIZABLE ) { | |
| 771 hints->min_width = 32; | |
| 772 hints->min_height = 32; | |
| 773 hints->max_height = 4096; | |
| 774 hints->max_width = 4096; | |
| 775 } else { | |
| 776 hints->min_width = hints->max_width = w; | |
| 777 hints->min_height = hints->max_height = h; | |
| 778 } | |
| 779 hints->flags = PMaxSize | PMinSize; | |
| 780 if ( flags & SDL_FULLSCREEN ) { | |
| 781 hints->x = 0; | |
| 782 hints->y = 0; | |
| 783 hints->flags |= USPosition; | |
| 784 } else | |
| 785 /* Center it, if desired */ | |
|
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786 if ( X11_WindowPosition(this, &hints->x, &hints->y, w, h) ) { |
| 0 | 787 hints->flags |= USPosition; |
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788 XMoveWindow(SDL_Display, WMwindow, hints->x, hints->y); |
| 0 | 789 |
| 790 /* Flush the resize event so we don't catch it later */ | |
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791 XSync(SDL_Display, True); |
| 0 | 792 } |
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793 XSetWMNormalHints(SDL_Display, WMwindow, hints); |
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794 XFree(hints); |
| 0 | 795 } |
| 796 | |
| 797 /* Respect the window caption style */ | |
| 798 if ( flags & SDL_NOFRAME ) { | |
| 799 SDL_bool set; | |
| 800 Atom WM_HINTS; | |
| 801 | |
| 802 /* We haven't modified the window manager hints yet */ | |
| 803 set = SDL_FALSE; | |
| 804 | |
| 805 /* First try to set MWM hints */ | |
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806 WM_HINTS = XInternAtom(SDL_Display, "_MOTIF_WM_HINTS", True); |
| 0 | 807 if ( WM_HINTS != None ) { |
| 808 /* Hints used by Motif compliant window managers */ | |
| 809 struct { | |
| 810 unsigned long flags; | |
| 811 unsigned long functions; | |
| 812 unsigned long decorations; | |
| 813 long input_mode; | |
| 814 unsigned long status; | |
| 815 } MWMHints = { (1L << 1), 0, 0, 0, 0 }; | |
| 816 | |
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817 XChangeProperty(SDL_Display, WMwindow, |
| 0 | 818 WM_HINTS, WM_HINTS, 32, |
| 819 PropModeReplace, | |
| 820 (unsigned char *)&MWMHints, | |
| 821 sizeof(MWMHints)/sizeof(long)); | |
| 822 set = SDL_TRUE; | |
| 823 } | |
| 824 /* Now try to set KWM hints */ | |
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825 WM_HINTS = XInternAtom(SDL_Display, "KWM_WIN_DECORATION", True); |
| 0 | 826 if ( WM_HINTS != None ) { |
| 827 long KWMHints = 0; | |
| 828 | |
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829 XChangeProperty(SDL_Display, WMwindow, |
| 0 | 830 WM_HINTS, WM_HINTS, 32, |
| 831 PropModeReplace, | |
| 832 (unsigned char *)&KWMHints, | |
| 833 sizeof(KWMHints)/sizeof(long)); | |
| 834 set = SDL_TRUE; | |
| 835 } | |
| 836 /* Now try to set GNOME hints */ | |
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837 WM_HINTS = XInternAtom(SDL_Display, "_WIN_HINTS", True); |
| 0 | 838 if ( WM_HINTS != None ) { |
| 839 long GNOMEHints = 0; | |
| 840 | |
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841 XChangeProperty(SDL_Display, WMwindow, |
| 0 | 842 WM_HINTS, WM_HINTS, 32, |
| 843 PropModeReplace, | |
| 844 (unsigned char *)&GNOMEHints, | |
| 845 sizeof(GNOMEHints)/sizeof(long)); | |
| 846 set = SDL_TRUE; | |
| 847 } | |
| 848 /* Finally set the transient hints if necessary */ | |
| 849 if ( ! set ) { | |
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850 XSetTransientForHint(SDL_Display, WMwindow, SDL_Root); |
| 0 | 851 } |
| 852 } else { | |
| 853 SDL_bool set; | |
| 854 Atom WM_HINTS; | |
| 855 | |
| 856 /* We haven't modified the window manager hints yet */ | |
| 857 set = SDL_FALSE; | |
| 858 | |
| 859 /* First try to unset MWM hints */ | |
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860 WM_HINTS = XInternAtom(SDL_Display, "_MOTIF_WM_HINTS", True); |
| 0 | 861 if ( WM_HINTS != None ) { |
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862 XDeleteProperty(SDL_Display, WMwindow, WM_HINTS); |
| 0 | 863 set = SDL_TRUE; |
| 864 } | |
| 865 /* Now try to unset KWM hints */ | |
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866 WM_HINTS = XInternAtom(SDL_Display, "KWM_WIN_DECORATION", True); |
| 0 | 867 if ( WM_HINTS != None ) { |
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868 XDeleteProperty(SDL_Display, WMwindow, WM_HINTS); |
| 0 | 869 set = SDL_TRUE; |
| 870 } | |
| 871 /* Now try to unset GNOME hints */ | |
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872 WM_HINTS = XInternAtom(SDL_Display, "_WIN_HINTS", True); |
| 0 | 873 if ( WM_HINTS != None ) { |
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874 XDeleteProperty(SDL_Display, WMwindow, WM_HINTS); |
| 0 | 875 set = SDL_TRUE; |
| 876 } | |
| 877 /* Finally unset the transient hints if necessary */ | |
| 878 if ( ! set ) { | |
| 879 /* NOTE: Does this work? */ | |
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880 XSetTransientForHint(SDL_Display, WMwindow, None); |
| 0 | 881 } |
| 882 } | |
| 883 } | |
| 884 | |
| 885 static int X11_CreateWindow(_THIS, SDL_Surface *screen, | |
| 886 int w, int h, int bpp, Uint32 flags) | |
| 887 { | |
| 888 int i, depth; | |
| 889 Visual *vis; | |
| 890 int vis_change; | |
| 1641 | 891 Uint32 Amask; |
| 0 | 892 |
| 893 /* If a window is already present, destroy it and start fresh */ | |
| 894 if ( SDL_Window ) { | |
| 895 X11_DestroyWindow(this, screen); | |
|
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896 switch_waiting = 0; /* Prevent jump back to now-meaningless state. */ |
| 0 | 897 } |
| 898 | |
| 899 /* See if we have been given a window id */ | |
| 900 if ( SDL_windowid ) { | |
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901 SDL_Window = SDL_strtol(SDL_windowid, NULL, 0); |
| 0 | 902 } else { |
| 903 SDL_Window = 0; | |
| 904 } | |
| 905 | |
| 906 /* find out which visual we are going to use */ | |
| 907 if ( flags & SDL_OPENGL ) { | |
| 908 XVisualInfo *vi; | |
| 909 | |
| 910 vi = X11_GL_GetVisual(this); | |
| 911 if( !vi ) { | |
| 912 return -1; | |
| 913 } | |
| 914 vis = vi->visual; | |
| 915 depth = vi->depth; | |
| 916 } else if ( SDL_windowid ) { | |
| 917 XWindowAttributes a; | |
| 918 | |
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919 XGetWindowAttributes(SDL_Display, SDL_Window, &a); |
| 0 | 920 vis = a.visual; |
| 921 depth = a.depth; | |
| 922 } else { | |
| 923 for ( i = 0; i < this->hidden->nvisuals; i++ ) { | |
| 924 if ( this->hidden->visuals[i].bpp == bpp ) | |
| 925 break; | |
| 926 } | |
| 927 if ( i == this->hidden->nvisuals ) { | |
| 928 SDL_SetError("No matching visual for requested depth"); | |
| 929 return -1; /* should never happen */ | |
| 930 } | |
| 931 vis = this->hidden->visuals[i].visual; | |
| 932 depth = this->hidden->visuals[i].depth; | |
| 933 } | |
| 934 #ifdef X11_DEBUG | |
| 935 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); | |
| 936 #endif | |
| 937 vis_change = (vis != SDL_Visual); | |
| 938 SDL_Visual = vis; | |
| 939 this->hidden->depth = depth; | |
| 940 | |
| 941 /* Allocate the new pixel format for this video mode */ | |
| 1641 | 942 if ( this->hidden->depth == 32 ) { |
| 943 Amask = (0xFFFFFFFF & ~(vis->red_mask|vis->green_mask|vis->blue_mask)); | |
| 944 } else { | |
| 945 Amask = 0; | |
| 946 } | |
| 0 | 947 if ( ! SDL_ReallocFormat(screen, bpp, |
| 1641 | 948 vis->red_mask, vis->green_mask, vis->blue_mask, Amask) ) { |
| 0 | 949 return -1; |
| 1641 | 950 } |
| 0 | 951 |
| 952 /* Create the appropriate colormap */ | |
| 953 if ( SDL_XColorMap != SDL_DisplayColormap ) { | |
|
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954 XFreeColormap(SDL_Display, SDL_XColorMap); |
| 0 | 955 } |
| 956 if ( SDL_Visual->class == PseudoColor ) { | |
| 957 int ncolors; | |
| 958 | |
| 959 /* Allocate the pixel flags */ | |
| 960 ncolors = SDL_Visual->map_entries; | |
|
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961 SDL_XPixels = SDL_malloc(ncolors * sizeof(int)); |
| 0 | 962 if(SDL_XPixels == NULL) { |
| 963 SDL_OutOfMemory(); | |
| 964 return -1; | |
| 965 } | |
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966 SDL_memset(SDL_XPixels, 0, ncolors * sizeof(*SDL_XPixels)); |
| 0 | 967 |
| 968 /* always allocate a private colormap on non-default visuals */ | |
| 969 if ( SDL_Visual != DefaultVisual(SDL_Display, SDL_Screen) ) { | |
| 970 flags |= SDL_HWPALETTE; | |
| 971 } | |
| 972 if ( flags & SDL_HWPALETTE ) { | |
| 973 screen->flags |= SDL_HWPALETTE; | |
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974 SDL_XColorMap = XCreateColormap(SDL_Display, SDL_Root, |
| 0 | 975 SDL_Visual, AllocAll); |
| 976 } else { | |
| 977 SDL_XColorMap = SDL_DisplayColormap; | |
| 978 } | |
| 979 } else if ( SDL_Visual->class == DirectColor ) { | |
| 980 | |
| 981 /* Create a colormap which we can manipulate for gamma */ | |
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982 SDL_XColorMap = XCreateColormap(SDL_Display, SDL_Root, |
| 0 | 983 SDL_Visual, AllocAll); |
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984 XSync(SDL_Display, False); |
| 0 | 985 |
| 986 /* Initialize the colormap to the identity mapping */ | |
| 987 SDL_GetGammaRamp(0, 0, 0); | |
| 988 this->screen = screen; | |
| 989 X11_SetGammaRamp(this, this->gamma); | |
| 990 this->screen = NULL; | |
| 991 } else { | |
| 992 /* Create a read-only colormap for our window */ | |
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993 SDL_XColorMap = XCreateColormap(SDL_Display, SDL_Root, |
| 0 | 994 SDL_Visual, AllocNone); |
| 995 } | |
| 996 | |
| 997 /* Recreate the auxiliary windows, if needed (required for GL) */ | |
| 998 if ( vis_change ) | |
| 999 create_aux_windows(this); | |
| 1000 | |
| 1001 if(screen->flags & SDL_HWPALETTE) { | |
| 1002 /* Since the full-screen window might have got a nonzero background | |
| 1003 colour (0 is white on some displays), we should reset the | |
| 1004 background to 0 here since that is what the user expects | |
| 1005 with a private colormap */ | |
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1006 XSetWindowBackground(SDL_Display, FSwindow, 0); |
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1007 XClearWindow(SDL_Display, FSwindow); |
| 0 | 1008 } |
| 1009 | |
| 1010 /* resize the (possibly new) window manager window */ | |
| 1011 if( !SDL_windowid ) { | |
| 1012 X11_SetSizeHints(this, w, h, flags); | |
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1013 window_w = w; |
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1014 window_h = h; |
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1015 XResizeWindow(SDL_Display, WMwindow, w, h); |
| 0 | 1016 } |
| 1017 | |
| 1018 /* Create (or use) the X11 display window */ | |
| 1019 if ( !SDL_windowid ) { | |
| 1020 if ( flags & SDL_OPENGL ) { | |
| 1021 if ( X11_GL_CreateWindow(this, w, h) < 0 ) { | |
| 1022 return(-1); | |
| 1023 } | |
| 1024 } else { | |
| 1025 XSetWindowAttributes swa; | |
| 1026 | |
| 1027 swa.background_pixel = 0; | |
| 1028 swa.border_pixel = 0; | |
| 1029 swa.colormap = SDL_XColorMap; | |
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1030 SDL_Window = XCreateWindow(SDL_Display, WMwindow, |
| 0 | 1031 0, 0, w, h, 0, depth, |
| 1032 InputOutput, SDL_Visual, | |
| 1033 CWBackPixel | CWBorderPixel | |
| 1034 | CWColormap, &swa); | |
| 1035 } | |
| 1036 /* Only manage our input if we own the window */ | |
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1037 XSelectInput(SDL_Display, SDL_Window, |
| 0 | 1038 ( EnterWindowMask | LeaveWindowMask |
| 1039 | ButtonPressMask | ButtonReleaseMask | |
| 1040 | PointerMotionMask | ExposureMask )); | |
| 1041 } | |
| 1042 /* Create the graphics context here, once we have a window */ | |
| 1043 if ( flags & SDL_OPENGL ) { | |
| 1044 if ( X11_GL_CreateContext(this) < 0 ) { | |
| 1045 return(-1); | |
| 1046 } else { | |
| 1047 screen->flags |= SDL_OPENGL; | |
| 1048 } | |
| 1049 } else { | |
| 1050 XGCValues gcv; | |
| 1051 | |
| 1052 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
|
1053 SDL_GC = XCreateGC(SDL_Display, SDL_Window, |
| 0 | 1054 GCGraphicsExposures, &gcv); |
| 1055 if ( ! SDL_GC ) { | |
| 1056 SDL_SetError("Couldn't create graphics context"); | |
| 1057 return(-1); | |
| 1058 } | |
| 1059 } | |
| 1060 | |
| 1061 /* Set our colormaps when not setting a GL mode */ | |
| 1062 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
|
1063 XSetWindowColormap(SDL_Display, SDL_Window, SDL_XColorMap); |
| 0 | 1064 if( !SDL_windowid ) { |
|
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
|
1065 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
|
1066 XSetWindowColormap(SDL_Display, WMwindow, SDL_XColorMap); |
| 0 | 1067 } |
| 1068 } | |
| 1069 | |
| 1070 #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
|
1071 if ( SDL_getenv("SDL_VIDEO_X11_BACKINGSTORE") ) |
| 0 | 1072 #endif |
| 1073 /* Cache the window in the server, when possible */ | |
| 1074 { | |
| 1075 Screen *xscreen; | |
| 1076 XSetWindowAttributes a; | |
| 1077 | |
| 1078 xscreen = ScreenOfDisplay(SDL_Display, SDL_Screen); | |
| 1079 a.backing_store = DoesBackingStore(xscreen); | |
| 1080 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
|
1081 XChangeWindowAttributes(SDL_Display, SDL_Window, |
| 0 | 1082 CWBackingStore, &a); |
| 1083 } | |
| 1084 } | |
| 1085 | |
| 1086 /* Map them both and go fullscreen, if requested */ | |
| 1087 if ( ! SDL_windowid ) { | |
|
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
|
1088 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
|
1089 XMapWindow(SDL_Display, WMwindow); |
| 160 | 1090 X11_WaitMapped(this, WMwindow); |
| 0 | 1091 if ( flags & SDL_FULLSCREEN ) { |
| 1092 screen->flags |= SDL_FULLSCREEN; | |
| 1093 X11_EnterFullScreen(this); | |
| 1094 } else { | |
| 1095 screen->flags &= ~SDL_FULLSCREEN; | |
| 1096 } | |
| 1097 } | |
|
1178
9867f3d86e44
Real Unicode support for X11. Based on updated version of this patch:
Ryan C. Gordon <icculus@icculus.org>
parents:
1168
diff
changeset
|
1098 |
| 0 | 1099 return(0); |
| 1100 } | |
| 1101 | |
| 1102 static int X11_ResizeWindow(_THIS, | |
| 1103 SDL_Surface *screen, int w, int h, Uint32 flags) | |
| 1104 { | |
| 1105 if ( ! SDL_windowid ) { | |
| 1106 /* Resize the window manager window */ | |
| 1107 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
|
1108 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
|
1109 window_h = h; |
|
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
|
1110 XResizeWindow(SDL_Display, WMwindow, w, h); |
| 0 | 1111 |
| 1112 /* Resize the fullscreen and display windows */ | |
| 1113 if ( flags & SDL_FULLSCREEN ) { | |
| 1114 if ( screen->flags & SDL_FULLSCREEN ) { | |
| 1115 X11_ResizeFullScreen(this); | |
| 1116 } else { | |
| 1117 screen->flags |= SDL_FULLSCREEN; | |
| 1118 X11_EnterFullScreen(this); | |
| 1119 } | |
| 1120 } else { | |
| 1121 if ( screen->flags & SDL_FULLSCREEN ) { | |
| 1122 screen->flags &= ~SDL_FULLSCREEN; | |
| 1123 X11_LeaveFullScreen(this); | |
| 1124 } | |
| 1125 } | |
|
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
|
1126 XResizeWindow(SDL_Display, SDL_Window, w, h); |
| 0 | 1127 } |
| 1128 return(0); | |
| 1129 } | |
| 1130 | |
| 1131 SDL_Surface *X11_SetVideoMode(_THIS, SDL_Surface *current, | |
| 1132 int width, int height, int bpp, Uint32 flags) | |
| 1133 { | |
| 1134 Uint32 saved_flags; | |
| 1135 | |
| 1136 /* Lock the event thread, in multi-threading environments */ | |
| 1137 SDL_Lock_EventThread(); | |
| 1138 | |
| 1139 /* Check the combination of flags we were passed */ | |
| 1140 if ( flags & SDL_FULLSCREEN ) { | |
| 1141 /* Clear fullscreen flag if not supported */ | |
| 1142 if ( SDL_windowid ) { | |
| 1143 flags &= ~SDL_FULLSCREEN; | |
| 1144 } | |
| 1145 } | |
| 1146 | |
| 1147 /* 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
|
1148 XSync(GFX_Display, False); |
| 0 | 1149 |
| 1150 /* Set up the X11 window */ | |
| 1151 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
|
1152 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
|
1153 && (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
|
1154 && ((saved_flags&SDL_NOFRAME) == (flags&SDL_NOFRAME)) ) { |
| 0 | 1155 if (X11_ResizeWindow(this, current, width, height, flags) < 0) { |
| 1156 current = NULL; | |
| 1157 goto done; | |
| 1158 } | |
| 1159 } else { | |
| 1160 if (X11_CreateWindow(this,current,width,height,bpp,flags) < 0) { | |
| 1161 current = NULL; | |
| 1162 goto done; | |
| 1163 } | |
| 1164 } | |
| 1165 | |
| 4008 | 1166 /* Update the internal keyboard state */ |
| 1167 X11_SetKeyboardState(SDL_Display, NULL); | |
| 1168 | |
| 1169 /* When the window is first mapped, ignore non-modifier keys */ | |
| 1170 if ( !current->w && !current->h ) { | |
| 1171 Uint8 *keys = SDL_GetKeyState(NULL); | |
| 1172 int i; | |
| 1173 for ( i = 0; i < SDLK_LAST; ++i ) { | |
| 1174 switch (i) { | |
| 1175 case SDLK_NUMLOCK: | |
| 1176 case SDLK_CAPSLOCK: | |
| 1177 case SDLK_LCTRL: | |
| 1178 case SDLK_RCTRL: | |
| 1179 case SDLK_LSHIFT: | |
| 1180 case SDLK_RSHIFT: | |
| 1181 case SDLK_LALT: | |
| 1182 case SDLK_RALT: | |
| 1183 case SDLK_LMETA: | |
| 1184 case SDLK_RMETA: | |
| 1185 case SDLK_MODE: | |
| 1186 break; | |
| 1187 default: | |
| 1188 keys[i] = SDL_RELEASED; | |
| 1189 break; | |
| 1190 } | |
| 1191 } | |
| 1192 } | |
| 1193 | |
| 0 | 1194 /* Set up the new mode framebuffer */ |
| 1195 if ( ((current->w != width) || (current->h != height)) || | |
| 1196 ((saved_flags&SDL_OPENGL) != (flags&SDL_OPENGL)) ) { | |
| 1197 current->w = width; | |
| 1198 current->h = height; | |
| 1199 current->pitch = SDL_CalculatePitch(current); | |
| 1200 X11_ResizeImage(this, current, flags); | |
| 1201 } | |
|
4016
3f93ccc2c01e
Clear the NOFRAME and RESIZABLE flags in the X11 target before setting their
Ryan C. Gordon <icculus@icculus.org>
parents:
4014
diff
changeset
|
1202 |
|
3f93ccc2c01e
Clear the NOFRAME and RESIZABLE flags in the X11 target before setting their
Ryan C. Gordon <icculus@icculus.org>
parents:
4014
diff
changeset
|
1203 /* Clear these flags and set them only if they are in the new set. */ |
|
3f93ccc2c01e
Clear the NOFRAME and RESIZABLE flags in the X11 target before setting their
Ryan C. Gordon <icculus@icculus.org>
parents:
4014
diff
changeset
|
1204 current->flags &= ~(SDL_RESIZABLE|SDL_NOFRAME); |
| 0 | 1205 current->flags |= (flags&(SDL_RESIZABLE|SDL_NOFRAME)); |
| 1206 | |
| 1207 done: | |
| 1208 /* 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
|
1209 XSync(SDL_Display, False); |
| 0 | 1210 SDL_Unlock_EventThread(); |
| 1211 | |
| 1212 /* We're done! */ | |
| 1213 return(current); | |
| 1214 } | |
| 1215 | |
| 1216 static int X11_ToggleFullScreen(_THIS, int on) | |
| 1217 { | |
| 1218 Uint32 event_thread; | |
| 1219 | |
| 1220 /* Don't switch if we don't own the window */ | |
| 1221 if ( SDL_windowid ) { | |
| 1222 return(0); | |
| 1223 } | |
| 1224 | |
| 1225 /* Don't lock if we are the event thread */ | |
| 1226 event_thread = SDL_EventThreadID(); | |
| 1227 if ( event_thread && (SDL_ThreadID() == event_thread) ) { | |
| 1228 event_thread = 0; | |
| 1229 } | |
| 1230 if ( event_thread ) { | |
| 1231 SDL_Lock_EventThread(); | |
| 1232 } | |
| 1233 if ( on ) { | |
| 1234 this->screen->flags |= SDL_FULLSCREEN; | |
| 1235 X11_EnterFullScreen(this); | |
| 1236 } else { | |
| 1237 this->screen->flags &= ~SDL_FULLSCREEN; | |
| 1238 X11_LeaveFullScreen(this); | |
| 1239 } | |
| 1240 X11_RefreshDisplay(this); | |
| 1241 if ( event_thread ) { | |
| 1242 SDL_Unlock_EventThread(); | |
| 1243 } | |
| 1244 SDL_ResetKeyboard(); | |
| 1245 return(1); | |
| 1246 } | |
| 1247 | |
| 1248 /* Update the current mouse state and position */ | |
| 1249 static void X11_UpdateMouse(_THIS) | |
| 1250 { | |
| 1251 Window u1; int u2; | |
| 1252 Window current_win; | |
| 1253 int x, y; | |
| 1254 unsigned int mask; | |
| 1255 | |
| 1256 /* Lock the event thread, in multi-threading environments */ | |
| 1257 SDL_Lock_EventThread(); | |
|
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
|
1258 if ( XQueryPointer(SDL_Display, SDL_Window, &u1, ¤t_win, |
| 0 | 1259 &u2, &u2, &x, &y, &mask) ) { |
| 1260 if ( (x >= 0) && (x < SDL_VideoSurface->w) && | |
| 1261 (y >= 0) && (y < SDL_VideoSurface->h) ) { | |
| 1262 SDL_PrivateAppActive(1, SDL_APPMOUSEFOCUS); | |
| 1263 SDL_PrivateMouseMotion(0, 0, x, y); | |
| 1264 } else { | |
| 1265 SDL_PrivateAppActive(0, SDL_APPMOUSEFOCUS); | |
| 1266 } | |
| 1267 } | |
| 1268 SDL_Unlock_EventThread(); | |
| 1269 } | |
| 1270 | |
| 1271 /* simple colour distance metric. Supposed to be better than a plain | |
| 1272 Euclidian distance anyway. */ | |
| 1273 #define COLOUR_FACTOR 3 | |
| 1274 #define LIGHT_FACTOR 1 | |
| 1275 #define COLOUR_DIST(r1, g1, b1, r2, g2, b2) \ | |
| 1276 (COLOUR_FACTOR * (abs(r1 - r2) + abs(g1 - g2) + abs(b1 - b2)) \ | |
| 1277 + LIGHT_FACTOR * abs(r1 + g1 + b1 - (r2 + g2 + b2))) | |
| 1278 | |
| 1279 static void allocate_nearest(_THIS, SDL_Color *colors, | |
| 1280 SDL_Color *want, int nwant) | |
| 1281 { | |
| 1282 /* | |
| 1283 * There is no way to know which ones to choose from, so we retrieve | |
| 1284 * the entire colormap and try the nearest possible, until we find one | |
| 1285 * that is shared. | |
| 1286 */ | |
| 1287 XColor all[256]; | |
| 1288 int i; | |
| 1289 for(i = 0; i < 256; i++) | |
| 1290 all[i].pixel = i; | |
| 1291 /* | |
| 1292 * XQueryColors sets the flags in the XColor struct, so we use | |
| 1293 * that to keep track of which colours are available | |
| 1294 */ | |
|
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
|
1295 XQueryColors(GFX_Display, SDL_XColorMap, all, 256); |
| 0 | 1296 |
| 1297 for(i = 0; i < nwant; i++) { | |
| 1298 XColor *c; | |
| 1299 int j; | |
| 1300 int best = 0; | |
| 1301 int mindist = 0x7fffffff; | |
| 1302 int ri = want[i].r; | |
| 1303 int gi = want[i].g; | |
| 1304 int bi = want[i].b; | |
| 1305 for(j = 0; j < 256; j++) { | |
| 1306 int rj, gj, bj, d2; | |
| 1307 if(!all[j].flags) | |
| 1308 continue; /* unavailable colour cell */ | |
| 1309 rj = all[j].red >> 8; | |
| 1310 gj = all[j].green >> 8; | |
| 1311 bj = all[j].blue >> 8; | |
| 1312 d2 = COLOUR_DIST(ri, gi, bi, rj, gj, bj); | |
| 1313 if(d2 < mindist) { | |
| 1314 mindist = d2; | |
| 1315 best = j; | |
| 1316 } | |
| 1317 } | |
| 1318 if(SDL_XPixels[best]) | |
| 1319 continue; /* already allocated, waste no more time */ | |
| 1320 c = all + best; | |
|
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
|
1321 if(XAllocColor(GFX_Display, SDL_XColorMap, c)) { |
| 0 | 1322 /* got it */ |
|
236
3f09f52ac2cc
Fixed X11 icon color allocation (thanks Mattias!)
Sam Lantinga <slouken@libsdl.org>
parents:
160
diff
changeset
|
1323 colors[c->pixel].r = c->red >> 8; |
|
3f09f52ac2cc
Fixed X11 icon color allocation (thanks Mattias!)
Sam Lantinga <slouken@libsdl.org>
parents:
160
diff
changeset
|
1324 colors[c->pixel].g = c->green >> 8; |
|
3f09f52ac2cc
Fixed X11 icon color allocation (thanks Mattias!)
Sam Lantinga <slouken@libsdl.org>
parents:
160
diff
changeset
|
1325 colors[c->pixel].b = c->blue >> 8; |
|
3f09f52ac2cc
Fixed X11 icon color allocation (thanks Mattias!)
Sam Lantinga <slouken@libsdl.org>
parents:
160
diff
changeset
|
1326 ++SDL_XPixels[c->pixel]; |
| 0 | 1327 } else { |
| 1328 /* | |
| 1329 * The colour couldn't be allocated, probably being | |
| 1330 * owned as a r/w cell by another client. Flag it as | |
| 1331 * unavailable and try again. The termination of the | |
| 1332 * loop is guaranteed since at least black and white | |
| 1333 * are always there. | |
| 1334 */ | |
| 1335 c->flags = 0; | |
| 1336 i--; | |
| 1337 } | |
| 1338 } | |
| 1339 } | |
| 1340 | |
| 1341 int X11_SetColors(_THIS, int firstcolor, int ncolors, SDL_Color *colors) | |
| 1342 { | |
| 1343 int nrej = 0; | |
| 1344 | |
| 1345 /* Check to make sure we have a colormap allocated */ | |
| 1346 if ( SDL_XPixels == NULL ) { | |
| 1347 return(0); | |
| 1348 } | |
| 1349 if ( (this->screen->flags & SDL_HWPALETTE) == SDL_HWPALETTE ) { | |
| 1350 /* private writable colormap: just set the colours we need */ | |
| 1351 XColor *xcmap; | |
| 1352 int i; | |
|
1338
604d73db6802
Removed uses of stdlib.h and string.h
Sam Lantinga <slouken@libsdl.org>
parents:
1336
diff
changeset
|
1353 xcmap = SDL_stack_alloc(XColor, ncolors); |
| 0 | 1354 if(xcmap == NULL) |
| 1355 return 0; | |
| 1356 for ( i=0; i<ncolors; ++i ) { | |
| 1357 xcmap[i].pixel = i + firstcolor; | |
| 1358 xcmap[i].red = (colors[i].r<<8)|colors[i].r; | |
| 1359 xcmap[i].green = (colors[i].g<<8)|colors[i].g; | |
| 1360 xcmap[i].blue = (colors[i].b<<8)|colors[i].b; | |
| 1361 xcmap[i].flags = (DoRed|DoGreen|DoBlue); | |
| 1362 } | |
|
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
|
1363 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
|
1364 XSync(GFX_Display, False); |
|
1338
604d73db6802
Removed uses of stdlib.h and string.h
Sam Lantinga <slouken@libsdl.org>
parents:
1336
diff
changeset
|
1365 SDL_stack_free(xcmap); |
| 0 | 1366 } else { |
| 1367 /* | |
| 1368 * Shared colormap: We only allocate read-only cells, which | |
| 1369 * increases the likelyhood of colour sharing with other | |
| 1370 * clients. The pixel values will almost certainly be | |
| 1371 * different from the requested ones, so the user has to | |
| 1372 * walk the colormap and see which index got what colour. | |
| 1373 * | |
| 1374 * We can work directly with the logical palette since it | |
| 1375 * has already been set when we get here. | |
| 1376 */ | |
| 1377 SDL_Color *want, *reject; | |
| 1378 unsigned long *freelist; | |
| 1379 int i; | |
| 1380 int nfree = 0; | |
| 1381 int nc = this->screen->format->palette->ncolors; | |
| 1382 colors = this->screen->format->palette->colors; | |
|
1338
604d73db6802
Removed uses of stdlib.h and string.h
Sam Lantinga <slouken@libsdl.org>
parents:
1336
diff
changeset
|
1383 freelist = SDL_stack_alloc(unsigned long, nc); |
| 0 | 1384 /* make sure multiple allocations of the same cell are freed */ |
| 1385 for(i = 0; i < ncolors; i++) { | |
| 1386 int pixel = firstcolor + i; | |
| 1387 while(SDL_XPixels[pixel]) { | |
| 1388 freelist[nfree++] = pixel; | |
| 1389 --SDL_XPixels[pixel]; | |
| 1390 } | |
| 1391 } | |
|
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
|
1392 XFreeColors(GFX_Display, SDL_XColorMap, freelist, nfree, 0); |
|
1338
604d73db6802
Removed uses of stdlib.h and string.h
Sam Lantinga <slouken@libsdl.org>
parents:
1336
diff
changeset
|
1393 SDL_stack_free(freelist); |
| 0 | 1394 |
|
1338
604d73db6802
Removed uses of stdlib.h and string.h
Sam Lantinga <slouken@libsdl.org>
parents:
1336
diff
changeset
|
1395 want = SDL_stack_alloc(SDL_Color, ncolors); |
|
604d73db6802
Removed uses of stdlib.h and string.h
Sam Lantinga <slouken@libsdl.org>
parents:
1336
diff
changeset
|
1396 reject = SDL_stack_alloc(SDL_Color, ncolors); |
|
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1327
diff
changeset
|
1397 SDL_memcpy(want, colors + firstcolor, ncolors * sizeof(SDL_Color)); |
| 0 | 1398 /* make sure the user isn't fooled by her own wishes |
| 1399 (black is safe, always available in the default colormap) */ | |
|
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1327
diff
changeset
|
1400 SDL_memset(colors + firstcolor, 0, ncolors * sizeof(SDL_Color)); |
| 0 | 1401 |
| 1402 /* now try to allocate the colours */ | |
| 1403 for(i = 0; i < ncolors; i++) { | |
| 1404 XColor col; | |
| 1405 col.red = want[i].r << 8; | |
| 1406 col.green = want[i].g << 8; | |
| 1407 col.blue = want[i].b << 8; | |
| 1408 col.flags = DoRed | DoGreen | DoBlue; | |
|
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Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
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1409 if(XAllocColor(GFX_Display, SDL_XColorMap, &col)) { |
| 0 | 1410 /* We got the colour, or at least the nearest |
| 1411 the hardware could get. */ | |
| 1412 colors[col.pixel].r = col.red >> 8; | |
| 1413 colors[col.pixel].g = col.green >> 8; | |
| 1414 colors[col.pixel].b = col.blue >> 8; | |
| 1415 ++SDL_XPixels[col.pixel]; | |
| 1416 } else { | |
| 1417 /* | |
| 1418 * no more free cells, add it to the list | |
| 1419 * of rejected colours | |
| 1420 */ | |
| 1421 reject[nrej++] = want[i]; | |
| 1422 } | |
| 1423 } | |
| 1424 if(nrej) | |
| 1425 allocate_nearest(this, colors, reject, nrej); | |
|
1338
604d73db6802
Removed uses of stdlib.h and string.h
Sam Lantinga <slouken@libsdl.org>
parents:
1336
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changeset
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1426 SDL_stack_free(reject); |
|
604d73db6802
Removed uses of stdlib.h and string.h
Sam Lantinga <slouken@libsdl.org>
parents:
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1427 SDL_stack_free(want); |
| 0 | 1428 } |
| 1429 return nrej == 0; | |
| 1430 } | |
| 1431 | |
| 1432 int X11_SetGammaRamp(_THIS, Uint16 *ramp) | |
| 1433 { | |
| 1434 int i, ncolors; | |
| 1435 XColor xcmap[256]; | |
| 1436 | |
| 1437 /* See if actually setting the gamma is supported */ | |
| 1438 if ( SDL_Visual->class != DirectColor ) { | |
| 1439 SDL_SetError("Gamma correction not supported on this visual"); | |
| 1440 return(-1); | |
| 1441 } | |
| 1442 | |
| 1443 /* Calculate the appropriate palette for the given gamma ramp */ | |
| 1444 ncolors = SDL_Visual->map_entries; | |
| 1445 for ( i=0; i<ncolors; ++i ) { | |
| 1446 Uint8 c = (256 * i / ncolors); | |
| 1447 xcmap[i].pixel = SDL_MapRGB(this->screen->format, c, c, c); | |
| 1448 xcmap[i].red = ramp[0*256+c]; | |
| 1449 xcmap[i].green = ramp[1*256+c]; | |
| 1450 xcmap[i].blue = ramp[2*256+c]; | |
| 1451 xcmap[i].flags = (DoRed|DoGreen|DoBlue); | |
| 1452 } | |
|
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Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
|
1453 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
|
1454 XSync(GFX_Display, False); |
| 0 | 1455 return(0); |
| 1456 } | |
| 1457 | |
| 1458 /* Note: If we are terminated, this could be called in the middle of | |
| 1459 another SDL video routine -- notably UpdateRects. | |
| 1460 */ | |
| 1461 void X11_VideoQuit(_THIS) | |
| 1462 { | |
| 1463 /* Shutdown everything that's still up */ | |
| 1464 /* The event thread should be done, so we can touch SDL_Display */ | |
| 1465 if ( SDL_Display != NULL ) { | |
| 1466 /* Flush any delayed updates */ | |
|
1575
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Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
|
1467 XSync(GFX_Display, False); |
| 0 | 1468 |
|
1178
9867f3d86e44
Real Unicode support for X11. Based on updated version of this patch:
Ryan C. Gordon <icculus@icculus.org>
parents:
1168
diff
changeset
|
1469 /* Close the connection with the IM server */ |
|
9867f3d86e44
Real Unicode support for X11. Based on updated version of this patch:
Ryan C. Gordon <icculus@icculus.org>
parents:
1168
diff
changeset
|
1470 #ifdef X_HAVE_UTF8_STRING |
|
1319
66f6c64c2c69
Logic bug in X11 Unicode input shutdown...was checking for == NULL
Ryan C. Gordon <icculus@icculus.org>
parents:
1312
diff
changeset
|
1471 if (SDL_IC != NULL) { |
|
3978
b966761fef6c
Significantly improved XIM support.
Ryan C. Gordon <icculus@icculus.org>
parents:
3964
diff
changeset
|
1472 XUnsetICFocus(SDL_IC); |
|
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
|
1473 XDestroyIC(SDL_IC); |
|
1178
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Real Unicode support for X11. Based on updated version of this patch:
Ryan C. Gordon <icculus@icculus.org>
parents:
1168
diff
changeset
|
1474 SDL_IC = NULL; |
|
9867f3d86e44
Real Unicode support for X11. Based on updated version of this patch:
Ryan C. Gordon <icculus@icculus.org>
parents:
1168
diff
changeset
|
1475 } |
|
1319
66f6c64c2c69
Logic bug in X11 Unicode input shutdown...was checking for == NULL
Ryan C. Gordon <icculus@icculus.org>
parents:
1312
diff
changeset
|
1476 if (SDL_IM != NULL) { |
|
1575
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Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
|
1477 XCloseIM(SDL_IM); |
|
1178
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Real Unicode support for X11. Based on updated version of this patch:
Ryan C. Gordon <icculus@icculus.org>
parents:
1168
diff
changeset
|
1478 SDL_IM = NULL; |
|
9867f3d86e44
Real Unicode support for X11. Based on updated version of this patch:
Ryan C. Gordon <icculus@icculus.org>
parents:
1168
diff
changeset
|
1479 } |
|
9867f3d86e44
Real Unicode support for X11. Based on updated version of this patch:
Ryan C. Gordon <icculus@icculus.org>
parents:
1168
diff
changeset
|
1480 #endif |
|
9867f3d86e44
Real Unicode support for X11. Based on updated version of this patch:
Ryan C. Gordon <icculus@icculus.org>
parents:
1168
diff
changeset
|
1481 |
| 0 | 1482 /* Start shutting down the windows */ |
| 1483 X11_DestroyImage(this, this->screen); | |
| 1484 X11_DestroyWindow(this, this->screen); | |
| 1485 X11_FreeVideoModes(this); | |
| 1486 if ( SDL_XColorMap != SDL_DisplayColormap ) { | |
|
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
|
1487 XFreeColormap(SDL_Display, SDL_XColorMap); |
| 0 | 1488 } |
| 1489 if ( SDL_iconcolors ) { | |
| 1490 unsigned long pixel; | |
|
236
3f09f52ac2cc
Fixed X11 icon color allocation (thanks Mattias!)
Sam Lantinga <slouken@libsdl.org>
parents:
160
diff
changeset
|
1491 Colormap dcmap = DefaultColormap(SDL_Display, |
|
3f09f52ac2cc
Fixed X11 icon color allocation (thanks Mattias!)
Sam Lantinga <slouken@libsdl.org>
parents:
160
diff
changeset
|
1492 SDL_Screen); |
|
3f09f52ac2cc
Fixed X11 icon color allocation (thanks Mattias!)
Sam Lantinga <slouken@libsdl.org>
parents:
160
diff
changeset
|
1493 for(pixel = 0; pixel < 256; ++pixel) { |
|
3f09f52ac2cc
Fixed X11 icon color allocation (thanks Mattias!)
Sam Lantinga <slouken@libsdl.org>
parents:
160
diff
changeset
|
1494 while(SDL_iconcolors[pixel] > 0) { |
|
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
|
1495 XFreeColors(GFX_Display, |
|
236
3f09f52ac2cc
Fixed X11 icon color allocation (thanks Mattias!)
Sam Lantinga <slouken@libsdl.org>
parents:
160
diff
changeset
|
1496 dcmap, &pixel, 1, 0); |
| 0 | 1497 --SDL_iconcolors[pixel]; |
| 1498 } | |
| 1499 } | |
|
1336
3692456e7b0f
Use SDL_ prefixed versions of C library functions.
Sam Lantinga <slouken@libsdl.org>
parents:
1327
diff
changeset
|
1500 SDL_free(SDL_iconcolors); |
| 0 | 1501 SDL_iconcolors = NULL; |
| 1502 } | |
| 1783 | 1503 |
| 0 | 1504 /* Restore gamma settings if they've changed */ |
| 1505 if ( SDL_GetAppState() & SDL_APPACTIVE ) { | |
| 1506 X11_SwapVidModeGamma(this); | |
| 1507 } | |
| 1508 | |
| 1783 | 1509 /* Restore DPMS and screensaver settings */ |
|
3936
c5c3c772f5aa
Let app set SDL_VIDEO_ALLOW_SCREENSAVER environment variable to override SDL's
Ryan C. Gordon <icculus@icculus.org>
parents:
3885
diff
changeset
|
1510 X11_RestoreScreenSaver(this, SDL_Display, screensaver_timeout, dpms_enabled); |
| 1783 | 1511 |
| 0 | 1512 /* Free that blank cursor */ |
| 1513 if ( SDL_BlankCursor != NULL ) { | |
| 1514 this->FreeWMCursor(this, SDL_BlankCursor); | |
| 1515 SDL_BlankCursor = NULL; | |
| 1516 } | |
| 1517 | |
| 1518 /* Close the X11 graphics connection */ | |
| 1519 if ( GFX_Display != NULL ) { | |
|
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
|
1520 XCloseDisplay(GFX_Display); |
| 0 | 1521 GFX_Display = NULL; |
| 1522 } | |
| 1523 | |
| 1524 /* Close the X11 display connection */ | |
|
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
|
1525 XCloseDisplay(SDL_Display); |
| 0 | 1526 SDL_Display = NULL; |
| 1527 | |
| 1528 /* Reset the X11 error handlers */ | |
| 1529 if ( XIO_handler ) { | |
|
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
|
1530 XSetIOErrorHandler(XIO_handler); |
| 0 | 1531 } |
| 1532 if ( X_handler ) { | |
|
1575
3ba88cb7eb1b
Updated dynamic X11 code. See details in Bugzilla #170.
Ryan C. Gordon <icculus@icculus.org>
parents:
1558
diff
changeset
|
1533 XSetErrorHandler(X_handler); |
| 0 | 1534 } |
| 1535 | |
| 1536 /* Unload GL library after X11 shuts down */ | |
| 1537 X11_GL_UnloadLibrary(this); | |
| 1538 } | |
| 1539 if ( this->screen && (this->screen->flags & SDL_HWSURFACE) ) { | |
| 1540 /* Direct screen access, no memory buffer */ | |
| 1541 this->screen->pixels = NULL; | |
| 1542 } | |
|
3885
a10bddfdc40f
Closing minor memory leak in XME code.
Ryan C. Gordon <icculus@icculus.org>
parents:
1863
diff
changeset
|
1543 |
|
a10bddfdc40f
Closing minor memory leak in XME code.
Ryan C. Gordon <icculus@icculus.org>
parents:
1863
diff
changeset
|
1544 #if SDL_VIDEO_DRIVER_X11_XME |
|
a10bddfdc40f
Closing minor memory leak in XME code.
Ryan C. Gordon <icculus@icculus.org>
parents:
1863
diff
changeset
|
1545 XiGMiscDestroy(); |
|
a10bddfdc40f
Closing minor memory leak in XME code.
Ryan C. Gordon <icculus@icculus.org>
parents:
1863
diff
changeset
|
1546 #endif |
| 0 | 1547 } |
| 1548 |