Mercurial > sdl-ios-xcode
annotate src/video/x11/SDL_x11wm.c @ 1505:4d005dfbb7f5
Fixed bug #139
The text in SDL_WM_SetCaption() is in UTF-8 encoding.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Mon, 13 Mar 2006 01:33:58 +0000 |
| parents | d910939febfa |
| children | b46bb79cc197 |
| 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 | |
|
252
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20 slouken@libsdl.org |
| 0 | 21 */ |
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22 #include "SDL_config.h" |
| 0 | 23 |
| 24 #include <X11/Xlib.h> | |
| 25 #include <X11/Xutil.h> | |
| 26 | |
| 27 #include "SDL_version.h" | |
| 28 #include "SDL_timer.h" | |
| 29 #include "SDL_video.h" | |
| 30 #include "SDL_syswm.h" | |
|
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31 #include "../SDL_pixels_c.h" |
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32 #include "../../events/SDL_events_c.h" |
| 0 | 33 #include "SDL_x11modes_c.h" |
| 34 #include "SDL_x11wm_c.h" | |
| 35 | |
|
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36 static Uint8 reverse_byte(Uint8 x) |
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37 { |
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38 x = (x & 0xaa) >> 1 | (x & 0x55) << 1; |
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39 x = (x & 0xcc) >> 2 | (x & 0x33) << 2; |
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40 x = (x & 0xf0) >> 4 | (x & 0x0f) << 4; |
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41 return x; |
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42 } |
| 0 | 43 |
| 44 void X11_SetIcon(_THIS, SDL_Surface *icon, Uint8 *mask) | |
| 45 { | |
| 46 SDL_Surface *sicon; | |
| 47 XWMHints *wmhints; | |
| 48 XImage *icon_image; | |
| 49 Pixmap icon_pixmap; | |
| 50 Pixmap mask_pixmap; | |
|
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51 Window icon_window = None; |
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52 GC gc; |
| 0 | 53 XGCValues GCvalues; |
|
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54 int i, dbpp; |
| 0 | 55 SDL_Rect bounds; |
|
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56 Uint8 *LSBmask; |
| 0 | 57 Visual *dvis; |
|
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58 char *p; |
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59 int masksize; |
| 0 | 60 |
| 61 SDL_Lock_EventThread(); | |
| 62 | |
| 63 /* The icon must use the default visual, depth and colormap of the | |
| 64 screen, so it might need a conversion */ | |
|
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65 dvis = DefaultVisual(SDL_Display, SDL_Screen); |
| 0 | 66 dbpp = DefaultDepth(SDL_Display, SDL_Screen); |
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67 for(i = 0; i < this->hidden->nvisuals; i++) { |
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68 if(this->hidden->visuals[i].visual == dvis) { |
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69 dbpp = this->hidden->visuals[i].bpp; |
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70 break; |
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71 } |
| 0 | 72 } |
| 73 | |
| 74 /* The Visual struct is supposed to be opaque but we cheat a little */ | |
| 75 sicon = SDL_CreateRGBSurface(SDL_SWSURFACE, icon->w, icon->h, | |
| 76 dbpp, | |
| 77 dvis->red_mask, dvis->green_mask, | |
| 78 dvis->blue_mask, 0); | |
|
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79 if ( sicon == NULL ) |
| 0 | 80 goto done; |
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81 |
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82 if(dbpp == 8) { |
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83 /* Default visual is 8bit; we need to allocate colours from |
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84 the default colormap */ |
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85 SDL_Color want[256], got[256]; |
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86 int nwant; |
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87 Colormap dcmap; |
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88 int missing; |
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89 dcmap = DefaultColormap(SDL_Display, SDL_Screen); |
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90 if(icon->format->palette) { |
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91 /* The icon has a palette as well - we just have to |
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92 find those colours */ |
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93 nwant = icon->format->palette->ncolors; |
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94 SDL_memcpy(want, icon->format->palette->colors, |
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95 nwant * sizeof want[0]); |
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96 } else { |
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97 /* try the standard 6x6x6 cube for lack of better |
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98 ideas */ |
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99 int r, g, b, i; |
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100 for(r = i = 0; r < 256; r += 0x33) |
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101 for(g = 0; g < 256; g += 0x33) |
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102 for(b = 0; b < 256; b += 0x33, i++) { |
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103 want[i].r = r; |
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104 want[i].g = g; |
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105 want[i].b = b; |
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106 } |
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107 nwant = 216; |
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108 } |
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109 if(SDL_iconcolors) { |
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110 /* free already allocated colours first */ |
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111 unsigned long freelist[512]; |
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112 int nfree = 0; |
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113 for(i = 0; i < 256; i++) { |
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114 while(SDL_iconcolors[i]) { |
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115 freelist[nfree++] = i; |
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116 SDL_iconcolors[i]--; |
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117 } |
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118 } |
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119 pXFreeColors(GFX_Display, dcmap, freelist, nfree, 0); |
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120 } |
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121 if(!SDL_iconcolors) |
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122 SDL_iconcolors = SDL_malloc(256 * sizeof *SDL_iconcolors); |
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123 SDL_memset(SDL_iconcolors, 0, 256 * sizeof *SDL_iconcolors); |
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124 |
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125 /* try to allocate the colours */ |
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126 SDL_memset(got, 0, sizeof got); |
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127 missing = 0; |
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128 for(i = 0; i < nwant; i++) { |
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129 XColor c; |
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130 c.red = want[i].r << 8; |
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131 c.green = want[i].g << 8; |
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132 c.blue = want[i].b << 8; |
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133 c.flags = DoRed | DoGreen | DoBlue; |
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134 if(pXAllocColor(GFX_Display, dcmap, &c)) { |
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135 /* got the colour */ |
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136 SDL_iconcolors[c.pixel]++; |
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137 got[c.pixel] = want[i]; |
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138 } else { |
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139 missing = 1; |
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140 } |
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141 } |
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142 if(missing) { |
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143 /* Some colours were apparently missing, so we just |
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144 allocate all the rest as well */ |
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145 XColor cols[256]; |
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146 for(i = 0; i < 256; i++) |
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147 cols[i].pixel = i; |
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148 pXQueryColors(GFX_Display, dcmap, cols, 256); |
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149 for(i = 0; i < 256; i++) { |
|
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150 got[i].r = cols[i].red >> 8; |
|
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151 got[i].g = cols[i].green >> 8; |
|
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152 got[i].b = cols[i].blue >> 8; |
|
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153 if(!SDL_iconcolors[i]) { |
|
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154 if(pXAllocColor(GFX_Display, dcmap, |
|
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155 cols + i)) { |
|
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156 SDL_iconcolors[i] = 1; |
|
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157 } else { |
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158 /* index not available */ |
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159 got[i].r = 0; |
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160 got[i].g = 0; |
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161 got[i].b = 0; |
|
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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 |
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167 SDL_SetColors(sicon, got, 0, 256); |
| 0 | 168 } |
| 169 | |
| 170 bounds.x = 0; | |
| 171 bounds.y = 0; | |
| 172 bounds.w = icon->w; | |
| 173 bounds.h = icon->h; | |
| 174 if ( SDL_LowerBlit(icon, &bounds, sicon, &bounds) < 0 ) | |
| 175 goto done; | |
| 176 | |
|
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177 /* We need the mask as given, except in LSBfirst format instead of |
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178 MSBfirst. Reverse the bits in each byte. */ |
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179 masksize = ((sicon->w + 7) >> 3) * sicon->h; |
|
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180 LSBmask = SDL_malloc(masksize); |
| 0 | 181 if ( LSBmask == NULL ) { |
| 182 goto done; | |
| 183 } | |
|
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184 SDL_memset(LSBmask, 0, masksize); |
|
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185 for(i = 0; i < masksize; i++) |
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186 LSBmask[i] = reverse_byte(mask[i]); |
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187 mask_pixmap = pXCreatePixmapFromBitmapData(SDL_Display, WMwindow, |
|
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188 (char *)LSBmask, |
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189 sicon->w, sicon->h, |
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190 1L, 0L, 1); |
| 0 | 191 |
| 192 /* Transfer the image to an X11 pixmap */ | |
|
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193 icon_image = pXCreateImage(SDL_Display, |
|
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194 DefaultVisual(SDL_Display, SDL_Screen), |
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195 DefaultDepth(SDL_Display, SDL_Screen), |
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196 ZPixmap, 0, sicon->pixels, |
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197 sicon->w, sicon->h, |
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198 32, 0); |
|
246
7c09c9e3b0c7
From: "Mattias Engdeg�rd" <f91-men@nada.kth.se>
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199 icon_image->byte_order = (SDL_BYTEORDER == SDL_BIG_ENDIAN) |
|
7c09c9e3b0c7
From: "Mattias Engdeg�rd" <f91-men@nada.kth.se>
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200 ? MSBFirst : LSBFirst; |
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201 icon_pixmap = pXCreatePixmap(SDL_Display, SDL_Root, sicon->w, sicon->h, |
|
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202 DefaultDepth(SDL_Display, SDL_Screen)); |
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203 gc = pXCreateGC(SDL_Display, icon_pixmap, 0, &GCvalues); |
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204 pXPutImage(SDL_Display, icon_pixmap, gc, icon_image, |
|
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205 0, 0, 0, 0, sicon->w, sicon->h); |
|
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206 pXFreeGC(SDL_Display, gc); |
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207 pXDestroyImage(icon_image); |
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208 SDL_free(LSBmask); |
| 0 | 209 sicon->pixels = NULL; |
| 210 | |
|
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211 /* Some buggy window managers (some versions of Enlightenment, it |
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212 seems) need an icon window *and* icon pixmap to work properly, while |
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213 it screws up others. The default is only to use a pixmap. */ |
|
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214 p = SDL_getenv("SDL_VIDEO_X11_ICONWIN"); |
|
236
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215 if(p && *p) { |
|
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216 icon_window = pXCreateSimpleWindow(SDL_Display, SDL_Root, |
|
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217 0, 0, sicon->w, sicon->h, 0, |
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218 CopyFromParent, |
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219 CopyFromParent); |
|
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220 pXSetWindowBackgroundPixmap(SDL_Display, icon_window, |
|
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221 icon_pixmap); |
|
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222 pXClearWindow(SDL_Display, icon_window); |
|
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223 } |
| 0 | 224 |
| 225 /* Set the window icon to the icon pixmap (and icon window) */ | |
|
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226 wmhints = pXAllocWMHints(); |
| 0 | 227 wmhints->flags = (IconPixmapHint | IconMaskHint); |
| 228 wmhints->icon_pixmap = icon_pixmap; | |
| 229 wmhints->icon_mask = mask_pixmap; | |
|
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230 if(icon_window != None) { |
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231 wmhints->flags |= IconWindowHint; |
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232 wmhints->icon_window = icon_window; |
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233 } |
|
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234 pXSetWMHints(SDL_Display, WMwindow, wmhints); |
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235 pXFree(wmhints); |
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236 pXSync(SDL_Display, False); |
| 0 | 237 |
| 238 done: | |
| 239 SDL_Unlock_EventThread(); | |
|
236
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240 SDL_FreeSurface(sicon); |
| 0 | 241 } |
| 242 | |
| 243 void X11_SetCaption(_THIS, const char *title, const char *icon) | |
| 244 { | |
| 245 XTextProperty titleprop, iconprop; | |
| 246 | |
| 247 /* Lock the event thread, in multi-threading environments */ | |
| 248 SDL_Lock_EventThread(); | |
| 249 | |
| 250 if ( title != NULL ) { | |
|
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251 int error = XLocaleNotSupported; |
|
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252 #ifdef X_HAVE_UTF8_STRING |
|
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253 error = pXutf8TextListToTextProperty(SDL_Display, |
|
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254 (char **)&title, 1, XUTF8StringStyle, |
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255 &titleprop); |
|
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256 #endif |
|
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257 if ( error != Success ) { |
| 1505 | 258 char *title_latin1 = SDL_iconv_utf8_latin1((char *)title); |
| 259 if ( !title_latin1 ) { | |
| 260 SDL_OutOfMemory(); | |
| 261 return; | |
| 262 } | |
| 263 pXStringListToTextProperty(&title_latin1, 1, &titleprop); | |
| 264 SDL_free(title_latin1); | |
|
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265 } |
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266 pXSetWMName(SDL_Display, WMwindow, &titleprop); |
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267 pXFree(titleprop.value); |
| 0 | 268 } |
| 269 if ( icon != NULL ) { | |
|
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270 int error = XLocaleNotSupported; |
|
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271 #ifdef X_HAVE_UTF8_STRING |
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272 error = pXutf8TextListToTextProperty(SDL_Display, |
|
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273 (char **)&icon, 1, XUTF8StringStyle, &iconprop); |
|
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274 #endif |
|
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275 if ( error != Success ) { |
| 1505 | 276 char *icon_latin1 = SDL_iconv_utf8_latin1((char *)title); |
| 277 if ( !icon_latin1 ) { | |
| 278 SDL_OutOfMemory(); | |
| 279 return; | |
| 280 } | |
| 281 pXStringListToTextProperty(&icon_latin1, 1, &iconprop); | |
| 282 SDL_free(icon_latin1); | |
|
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283 } |
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284 pXSetWMIconName(SDL_Display, WMwindow, &iconprop); |
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285 pXFree(iconprop.value); |
| 0 | 286 } |
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287 pXSync(SDL_Display, False); |
| 0 | 288 |
| 289 SDL_Unlock_EventThread(); | |
| 290 } | |
| 291 | |
| 292 /* Iconify the window */ | |
| 293 int X11_IconifyWindow(_THIS) | |
| 294 { | |
| 295 int result; | |
| 296 | |
| 297 SDL_Lock_EventThread(); | |
|
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298 result = pXIconifyWindow(SDL_Display, WMwindow, SDL_Screen); |
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299 pXSync(SDL_Display, False); |
| 0 | 300 SDL_Unlock_EventThread(); |
| 301 return(result); | |
| 302 } | |
| 303 | |
| 304 SDL_GrabMode X11_GrabInputNoLock(_THIS, SDL_GrabMode mode) | |
| 305 { | |
|
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306 int result; |
| 0 | 307 |
| 308 if ( this->screen == NULL ) { | |
| 309 return(SDL_GRAB_OFF); | |
| 310 } | |
| 311 if ( ! SDL_Window ) { | |
| 312 return(mode); /* Will be set later on mode switch */ | |
| 313 } | |
| 314 if ( mode == SDL_GRAB_OFF ) { | |
|
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315 pXUngrabPointer(SDL_Display, CurrentTime); |
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316 pXUngrabKeyboard(SDL_Display, CurrentTime); |
| 0 | 317 } else { |
| 318 if ( this->screen->flags & SDL_FULLSCREEN ) { | |
| 319 /* Unbind the mouse from the fullscreen window */ | |
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320 pXUngrabPointer(SDL_Display, CurrentTime); |
| 0 | 321 } |
| 322 /* Try to grab the mouse */ | |
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323 #if 0 /* We'll wait here until we actually grab, otherwise behavior undefined */ |
| 0 | 324 for ( numtries = 0; numtries < 10; ++numtries ) { |
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325 #else |
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326 while ( 1 ) { |
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327 #endif |
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328 result = pXGrabPointer(SDL_Display, SDL_Window, True, 0, |
| 0 | 329 GrabModeAsync, GrabModeAsync, |
| 330 SDL_Window, None, CurrentTime); | |
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331 if ( result == GrabSuccess ) { |
| 0 | 332 break; |
| 333 } | |
| 334 SDL_Delay(100); | |
| 335 } | |
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336 if ( result != GrabSuccess ) { |
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337 /* Uh, oh, what do we do here? */ ; |
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338 } |
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339 /* Now grab the keyboard */ |
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340 pXGrabKeyboard(SDL_Display, WMwindow, True, |
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341 GrabModeAsync, GrabModeAsync, CurrentTime); |
| 0 | 342 |
| 343 /* Raise the window if we grab the mouse */ | |
| 344 if ( !(this->screen->flags & SDL_FULLSCREEN) ) | |
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345 pXRaiseWindow(SDL_Display, WMwindow); |
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346 |
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347 /* Make sure we register input focus */ |
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348 SDL_PrivateAppActive(1, SDL_APPINPUTFOCUS); |
| 0 | 349 } |
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350 pXSync(SDL_Display, False); |
| 0 | 351 |
| 352 return(mode); | |
| 353 } | |
| 354 | |
| 355 SDL_GrabMode X11_GrabInput(_THIS, SDL_GrabMode mode) | |
| 356 { | |
| 357 SDL_Lock_EventThread(); | |
| 358 mode = X11_GrabInputNoLock(this, mode); | |
| 359 SDL_Unlock_EventThread(); | |
| 360 | |
| 361 return(mode); | |
| 362 } | |
| 363 | |
| 364 /* If 'info' is the right version, this function fills it and returns 1. | |
| 365 Otherwise, in case of a version mismatch, it returns -1. | |
| 366 */ | |
| 367 static void lock_display(void) | |
| 368 { | |
| 369 SDL_Lock_EventThread(); | |
| 370 } | |
| 371 static void unlock_display(void) | |
| 372 { | |
| 373 /* Make sure any X11 transactions are completed */ | |
| 374 SDL_VideoDevice *this = current_video; | |
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375 pXSync(SDL_Display, False); |
| 0 | 376 SDL_Unlock_EventThread(); |
| 377 } | |
| 378 int X11_GetWMInfo(_THIS, SDL_SysWMinfo *info) | |
| 379 { | |
| 380 if ( info->version.major <= SDL_MAJOR_VERSION ) { | |
| 381 info->subsystem = SDL_SYSWM_X11; | |
| 382 info->info.x11.display = SDL_Display; | |
| 383 info->info.x11.window = SDL_Window; | |
| 384 if ( SDL_VERSIONNUM(info->version.major, | |
| 385 info->version.minor, | |
| 386 info->version.patch) >= 1002 ) { | |
| 387 info->info.x11.fswindow = FSwindow; | |
| 388 info->info.x11.wmwindow = WMwindow; | |
| 389 } | |
| 390 info->info.x11.lock_func = lock_display; | |
| 391 info->info.x11.unlock_func = unlock_display; | |
| 392 return(1); | |
| 393 } else { | |
| 394 SDL_SetError("Application not compiled with SDL %d.%d\n", | |
| 395 SDL_MAJOR_VERSION, SDL_MINOR_VERSION); | |
| 396 return(-1); | |
| 397 } | |
| 398 } |