Mercurial > sdl-ios-xcode
annotate src/video/x11/SDL_x11wm.c @ 1379:c0a74f199ecf
Use only safe string functions
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sun, 19 Feb 2006 23:46:34 +0000 |
| parents | 19418e4422cb |
| children | d910939febfa |
| 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 */ |
| 22 | |
| 23 #include <X11/Xlib.h> | |
| 24 #include <X11/Xutil.h> | |
| 25 | |
| 26 #include "SDL_version.h" | |
| 27 #include "SDL_timer.h" | |
| 28 #include "SDL_video.h" | |
| 29 #include "SDL_syswm.h" | |
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30 #include "../SDL_pixels_c.h" |
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31 #include "../../events/SDL_events_c.h" |
| 0 | 32 #include "SDL_x11modes_c.h" |
| 33 #include "SDL_x11wm_c.h" | |
| 34 | |
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35 static Uint8 reverse_byte(Uint8 x) |
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36 { |
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37 x = (x & 0xaa) >> 1 | (x & 0x55) << 1; |
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38 x = (x & 0xcc) >> 2 | (x & 0x33) << 2; |
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39 x = (x & 0xf0) >> 4 | (x & 0x0f) << 4; |
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40 return x; |
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41 } |
| 0 | 42 |
| 43 void X11_SetIcon(_THIS, SDL_Surface *icon, Uint8 *mask) | |
| 44 { | |
| 45 SDL_Surface *sicon; | |
| 46 XWMHints *wmhints; | |
| 47 XImage *icon_image; | |
| 48 Pixmap icon_pixmap; | |
| 49 Pixmap mask_pixmap; | |
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50 Window icon_window = None; |
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51 GC gc; |
| 0 | 52 XGCValues GCvalues; |
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53 int i, dbpp; |
| 0 | 54 SDL_Rect bounds; |
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55 Uint8 *LSBmask; |
| 0 | 56 Visual *dvis; |
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57 char *p; |
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58 int masksize; |
| 0 | 59 |
| 60 SDL_Lock_EventThread(); | |
| 61 | |
| 62 /* The icon must use the default visual, depth and colormap of the | |
| 63 screen, so it might need a conversion */ | |
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64 dvis = DefaultVisual(SDL_Display, SDL_Screen); |
| 0 | 65 dbpp = DefaultDepth(SDL_Display, SDL_Screen); |
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66 for(i = 0; i < this->hidden->nvisuals; i++) { |
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67 if(this->hidden->visuals[i].visual == dvis) { |
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68 dbpp = this->hidden->visuals[i].bpp; |
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69 break; |
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70 } |
| 0 | 71 } |
| 72 | |
| 73 /* The Visual struct is supposed to be opaque but we cheat a little */ | |
| 74 sicon = SDL_CreateRGBSurface(SDL_SWSURFACE, icon->w, icon->h, | |
| 75 dbpp, | |
| 76 dvis->red_mask, dvis->green_mask, | |
| 77 dvis->blue_mask, 0); | |
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78 if ( sicon == NULL ) |
| 0 | 79 goto done; |
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80 |
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81 if(dbpp == 8) { |
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82 /* Default visual is 8bit; we need to allocate colours from |
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83 the default colormap */ |
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84 SDL_Color want[256], got[256]; |
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85 int nwant; |
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86 Colormap dcmap; |
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87 int missing; |
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88 dcmap = DefaultColormap(SDL_Display, SDL_Screen); |
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89 if(icon->format->palette) { |
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90 /* The icon has a palette as well - we just have to |
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91 find those colours */ |
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92 nwant = icon->format->palette->ncolors; |
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93 SDL_memcpy(want, icon->format->palette->colors, |
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94 nwant * sizeof want[0]); |
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95 } else { |
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96 /* try the standard 6x6x6 cube for lack of better |
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97 ideas */ |
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98 int r, g, b, i; |
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99 for(r = i = 0; r < 256; r += 0x33) |
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100 for(g = 0; g < 256; g += 0x33) |
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101 for(b = 0; b < 256; b += 0x33, i++) { |
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102 want[i].r = r; |
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103 want[i].g = g; |
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104 want[i].b = b; |
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105 } |
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106 nwant = 216; |
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107 } |
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108 if(SDL_iconcolors) { |
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109 /* free already allocated colours first */ |
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110 unsigned long freelist[512]; |
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111 int nfree = 0; |
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112 for(i = 0; i < 256; i++) { |
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113 while(SDL_iconcolors[i]) { |
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114 freelist[nfree++] = i; |
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115 SDL_iconcolors[i]--; |
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116 } |
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117 } |
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118 pXFreeColors(GFX_Display, dcmap, freelist, nfree, 0); |
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119 } |
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120 if(!SDL_iconcolors) |
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121 SDL_iconcolors = SDL_malloc(256 * sizeof *SDL_iconcolors); |
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122 SDL_memset(SDL_iconcolors, 0, 256 * sizeof *SDL_iconcolors); |
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123 |
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124 /* try to allocate the colours */ |
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125 SDL_memset(got, 0, sizeof got); |
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126 missing = 0; |
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127 for(i = 0; i < nwant; i++) { |
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128 XColor c; |
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129 c.red = want[i].r << 8; |
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130 c.green = want[i].g << 8; |
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131 c.blue = want[i].b << 8; |
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132 c.flags = DoRed | DoGreen | DoBlue; |
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133 if(pXAllocColor(GFX_Display, dcmap, &c)) { |
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134 /* got the colour */ |
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135 SDL_iconcolors[c.pixel]++; |
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136 got[c.pixel] = want[i]; |
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137 } else { |
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138 missing = 1; |
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139 } |
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140 } |
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141 if(missing) { |
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142 /* Some colours were apparently missing, so we just |
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143 allocate all the rest as well */ |
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144 XColor cols[256]; |
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145 for(i = 0; i < 256; i++) |
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146 cols[i].pixel = i; |
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147 pXQueryColors(GFX_Display, dcmap, cols, 256); |
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148 for(i = 0; i < 256; i++) { |
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149 got[i].r = cols[i].red >> 8; |
|
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150 got[i].g = cols[i].green >> 8; |
|
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151 got[i].b = cols[i].blue >> 8; |
|
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152 if(!SDL_iconcolors[i]) { |
|
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153 if(pXAllocColor(GFX_Display, dcmap, |
|
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154 cols + i)) { |
|
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155 SDL_iconcolors[i] = 1; |
|
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156 } else { |
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157 /* index not available */ |
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158 got[i].r = 0; |
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159 got[i].g = 0; |
|
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160 got[i].b = 0; |
|
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161 } |
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162 } |
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163 } |
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164 } |
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165 |
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166 SDL_SetColors(sicon, got, 0, 256); |
| 0 | 167 } |
| 168 | |
| 169 bounds.x = 0; | |
| 170 bounds.y = 0; | |
| 171 bounds.w = icon->w; | |
| 172 bounds.h = icon->h; | |
| 173 if ( SDL_LowerBlit(icon, &bounds, sicon, &bounds) < 0 ) | |
| 174 goto done; | |
| 175 | |
|
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176 /* We need the mask as given, except in LSBfirst format instead of |
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177 MSBfirst. Reverse the bits in each byte. */ |
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178 masksize = ((sicon->w + 7) >> 3) * sicon->h; |
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179 LSBmask = SDL_malloc(masksize); |
| 0 | 180 if ( LSBmask == NULL ) { |
| 181 goto done; | |
| 182 } | |
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183 SDL_memset(LSBmask, 0, masksize); |
|
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184 for(i = 0; i < masksize; i++) |
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185 LSBmask[i] = reverse_byte(mask[i]); |
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186 mask_pixmap = pXCreatePixmapFromBitmapData(SDL_Display, WMwindow, |
|
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187 (char *)LSBmask, |
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188 sicon->w, sicon->h, |
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189 1L, 0L, 1); |
| 0 | 190 |
| 191 /* Transfer the image to an X11 pixmap */ | |
|
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192 icon_image = pXCreateImage(SDL_Display, |
|
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193 DefaultVisual(SDL_Display, SDL_Screen), |
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194 DefaultDepth(SDL_Display, SDL_Screen), |
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195 ZPixmap, 0, sicon->pixels, |
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196 sicon->w, sicon->h, |
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197 32, 0); |
|
246
7c09c9e3b0c7
From: "Mattias Engdeg�rd" <f91-men@nada.kth.se>
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198 icon_image->byte_order = (SDL_BYTEORDER == SDL_BIG_ENDIAN) |
|
7c09c9e3b0c7
From: "Mattias Engdeg�rd" <f91-men@nada.kth.se>
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199 ? MSBFirst : LSBFirst; |
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200 icon_pixmap = pXCreatePixmap(SDL_Display, SDL_Root, sicon->w, sicon->h, |
|
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201 DefaultDepth(SDL_Display, SDL_Screen)); |
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202 gc = pXCreateGC(SDL_Display, icon_pixmap, 0, &GCvalues); |
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203 pXPutImage(SDL_Display, icon_pixmap, gc, icon_image, |
|
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204 0, 0, 0, 0, sicon->w, sicon->h); |
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205 pXFreeGC(SDL_Display, gc); |
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206 pXDestroyImage(icon_image); |
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207 SDL_free(LSBmask); |
| 0 | 208 sicon->pixels = NULL; |
| 209 | |
|
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210 /* Some buggy window managers (some versions of Enlightenment, it |
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211 seems) need an icon window *and* icon pixmap to work properly, while |
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212 it screws up others. The default is only to use a pixmap. */ |
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213 p = SDL_getenv("SDL_VIDEO_X11_ICONWIN"); |
|
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214 if(p && *p) { |
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215 icon_window = pXCreateSimpleWindow(SDL_Display, SDL_Root, |
|
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216 0, 0, sicon->w, sicon->h, 0, |
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217 CopyFromParent, |
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218 CopyFromParent); |
|
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219 pXSetWindowBackgroundPixmap(SDL_Display, icon_window, |
|
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220 icon_pixmap); |
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221 pXClearWindow(SDL_Display, icon_window); |
|
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222 } |
| 0 | 223 |
| 224 /* Set the window icon to the icon pixmap (and icon window) */ | |
|
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225 wmhints = pXAllocWMHints(); |
| 0 | 226 wmhints->flags = (IconPixmapHint | IconMaskHint); |
| 227 wmhints->icon_pixmap = icon_pixmap; | |
| 228 wmhints->icon_mask = mask_pixmap; | |
|
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229 if(icon_window != None) { |
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230 wmhints->flags |= IconWindowHint; |
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231 wmhints->icon_window = icon_window; |
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232 } |
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233 pXSetWMHints(SDL_Display, WMwindow, wmhints); |
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234 pXFree(wmhints); |
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235 pXSync(SDL_Display, False); |
| 0 | 236 |
| 237 done: | |
| 238 SDL_Unlock_EventThread(); | |
|
236
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239 SDL_FreeSurface(sicon); |
| 0 | 240 } |
| 241 | |
| 242 void X11_SetCaption(_THIS, const char *title, const char *icon) | |
| 243 { | |
| 244 XTextProperty titleprop, iconprop; | |
| 245 | |
| 246 /* Lock the event thread, in multi-threading environments */ | |
| 247 SDL_Lock_EventThread(); | |
| 248 | |
| 249 if ( title != NULL ) { | |
|
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250 int error = XLocaleNotSupported; |
|
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251 #ifdef X_HAVE_UTF8_STRING |
|
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252 error = pXutf8TextListToTextProperty(SDL_Display, |
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253 (char **)&title, 1, XUTF8StringStyle, |
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254 &titleprop); |
|
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255 #endif |
|
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256 if ( error != Success ) { |
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257 pXStringListToTextProperty((char **)&title, 1, |
|
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258 &titleprop); |
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259 } |
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260 pXSetWMName(SDL_Display, WMwindow, &titleprop); |
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261 pXFree(titleprop.value); |
| 0 | 262 } |
| 263 if ( icon != NULL ) { | |
|
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264 int error = XLocaleNotSupported; |
|
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265 #ifdef X_HAVE_UTF8_STRING |
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266 error = pXutf8TextListToTextProperty(SDL_Display, |
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267 (char **)&icon, 1, XUTF8StringStyle, &iconprop); |
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268 #endif |
|
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269 if ( error != Success ) { |
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270 pXStringListToTextProperty((char **)&icon, 1, &iconprop); |
|
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271 } |
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272 pXSetWMIconName(SDL_Display, WMwindow, &iconprop); |
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273 pXFree(iconprop.value); |
| 0 | 274 } |
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275 pXSync(SDL_Display, False); |
| 0 | 276 |
| 277 SDL_Unlock_EventThread(); | |
| 278 } | |
| 279 | |
| 280 /* Iconify the window */ | |
| 281 int X11_IconifyWindow(_THIS) | |
| 282 { | |
| 283 int result; | |
| 284 | |
| 285 SDL_Lock_EventThread(); | |
|
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286 result = pXIconifyWindow(SDL_Display, WMwindow, SDL_Screen); |
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287 pXSync(SDL_Display, False); |
| 0 | 288 SDL_Unlock_EventThread(); |
| 289 return(result); | |
| 290 } | |
| 291 | |
| 292 SDL_GrabMode X11_GrabInputNoLock(_THIS, SDL_GrabMode mode) | |
| 293 { | |
|
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294 int result; |
| 0 | 295 |
| 296 if ( this->screen == NULL ) { | |
| 297 return(SDL_GRAB_OFF); | |
| 298 } | |
| 299 if ( ! SDL_Window ) { | |
| 300 return(mode); /* Will be set later on mode switch */ | |
| 301 } | |
| 302 if ( mode == SDL_GRAB_OFF ) { | |
|
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303 pXUngrabPointer(SDL_Display, CurrentTime); |
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304 pXUngrabKeyboard(SDL_Display, CurrentTime); |
| 0 | 305 } else { |
| 306 if ( this->screen->flags & SDL_FULLSCREEN ) { | |
| 307 /* Unbind the mouse from the fullscreen window */ | |
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308 pXUngrabPointer(SDL_Display, CurrentTime); |
| 0 | 309 } |
| 310 /* Try to grab the mouse */ | |
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311 #if 0 /* We'll wait here until we actually grab, otherwise behavior undefined */ |
| 0 | 312 for ( numtries = 0; numtries < 10; ++numtries ) { |
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313 #else |
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314 while ( 1 ) { |
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315 #endif |
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316 result = pXGrabPointer(SDL_Display, SDL_Window, True, 0, |
| 0 | 317 GrabModeAsync, GrabModeAsync, |
| 318 SDL_Window, None, CurrentTime); | |
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319 if ( result == GrabSuccess ) { |
| 0 | 320 break; |
| 321 } | |
| 322 SDL_Delay(100); | |
| 323 } | |
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324 if ( result != GrabSuccess ) { |
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325 /* Uh, oh, what do we do here? */ ; |
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326 } |
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327 /* Now grab the keyboard */ |
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328 pXGrabKeyboard(SDL_Display, WMwindow, True, |
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329 GrabModeAsync, GrabModeAsync, CurrentTime); |
| 0 | 330 |
| 331 /* Raise the window if we grab the mouse */ | |
| 332 if ( !(this->screen->flags & SDL_FULLSCREEN) ) | |
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333 pXRaiseWindow(SDL_Display, WMwindow); |
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334 |
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335 /* Make sure we register input focus */ |
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336 SDL_PrivateAppActive(1, SDL_APPINPUTFOCUS); |
| 0 | 337 } |
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338 pXSync(SDL_Display, False); |
| 0 | 339 |
| 340 return(mode); | |
| 341 } | |
| 342 | |
| 343 SDL_GrabMode X11_GrabInput(_THIS, SDL_GrabMode mode) | |
| 344 { | |
| 345 SDL_Lock_EventThread(); | |
| 346 mode = X11_GrabInputNoLock(this, mode); | |
| 347 SDL_Unlock_EventThread(); | |
| 348 | |
| 349 return(mode); | |
| 350 } | |
| 351 | |
| 352 /* If 'info' is the right version, this function fills it and returns 1. | |
| 353 Otherwise, in case of a version mismatch, it returns -1. | |
| 354 */ | |
| 355 static void lock_display(void) | |
| 356 { | |
| 357 SDL_Lock_EventThread(); | |
| 358 } | |
| 359 static void unlock_display(void) | |
| 360 { | |
| 361 /* Make sure any X11 transactions are completed */ | |
| 362 SDL_VideoDevice *this = current_video; | |
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363 pXSync(SDL_Display, False); |
| 0 | 364 SDL_Unlock_EventThread(); |
| 365 } | |
| 366 int X11_GetWMInfo(_THIS, SDL_SysWMinfo *info) | |
| 367 { | |
| 368 if ( info->version.major <= SDL_MAJOR_VERSION ) { | |
| 369 info->subsystem = SDL_SYSWM_X11; | |
| 370 info->info.x11.display = SDL_Display; | |
| 371 info->info.x11.window = SDL_Window; | |
| 372 if ( SDL_VERSIONNUM(info->version.major, | |
| 373 info->version.minor, | |
| 374 info->version.patch) >= 1002 ) { | |
| 375 info->info.x11.fswindow = FSwindow; | |
| 376 info->info.x11.wmwindow = WMwindow; | |
| 377 } | |
| 378 info->info.x11.lock_func = lock_display; | |
| 379 info->info.x11.unlock_func = unlock_display; | |
| 380 return(1); | |
| 381 } else { | |
| 382 SDL_SetError("Application not compiled with SDL %d.%d\n", | |
| 383 SDL_MAJOR_VERSION, SDL_MINOR_VERSION); | |
| 384 return(-1); | |
| 385 } | |
| 386 } |