Mercurial > sdl-ios-xcode
annotate src/video/x11/SDL_x11wm.c @ 1558:b46bb79cc197
Fixed bug #113:
Date: Sat, 16 Apr 2005 08:39:22 +1000
From: "Eric Mangold"
Subject: [SDL] Window manager does not show SDL window titles
Hello,
I have an issue with SDL-using applications and the sawfish window manager.
The problem is that SDL windows do not show the window caption. My gnome
panel *does* show the window name, but the actual sawfish window frame
shows no caption at all. All other non-SDL applications that I use work
fine.
I tried a couple other window managers, and they *were* able to show the
SDL window captions correctly. Though there many be other WMs that can't.
I believe the problem is that SDL is using the UTF8_STRING type for the
window's WM_NAME and WM_ICON properties. In fact, WM_NAME and WM_ICON are
supposed to set to a TEXT type, usually STRING (ISO 8859-1).
The property names _NET_WM_NAME and _NET_WM_ICON_NAME should be used to
store the UTF8_STRING versions of the window title and icon name.
You can see the properties I refer to with a command like this:
xprop|grep -e "WM.*NAME"
Please note the freedesktop.org standard:
http://standards.freedesktop.org/wm-spec/wm-spec-1.3.html#id2506954
This page talks a little bit about the history of these properties. Just
search down the page for "WM_NAME".
http://www.cl.cam.ac.uk/~mgk25/unicode.html
Please let me know if I can be of any assistance in resolving this issue.
Thanks,
Eric Mangold
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Mon, 20 Mar 2006 07:31:36 +0000 |
| parents | 4d005dfbb7f5 |
| children | 3ba88cb7eb1b |
| 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 #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
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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"); |
|
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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(); | |
|
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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; | |
| 1558 | 246 Status status; |
| 247 | |
| 248 #ifdef X_HAVE_UTF8_STRING | |
| 249 Atom _NET_WM_NAME; | |
| 250 Atom _NET_WM_ICON_NAME; | |
| 251 | |
| 252 /* Look up some useful Atoms */ | |
| 253 _NET_WM_NAME = pXInternAtom(SDL_Display, "_NET_WM_NAME", False); | |
| 254 _NET_WM_ICON_NAME = pXInternAtom(SDL_Display, "_NET_WM_ICON_NAME", False); | |
| 255 #endif | |
| 0 | 256 |
| 257 /* Lock the event thread, in multi-threading environments */ | |
| 258 SDL_Lock_EventThread(); | |
| 259 | |
| 260 if ( title != NULL ) { | |
| 1558 | 261 char *title_latin1 = SDL_iconv_utf8_latin1((char *)title); |
| 262 if ( !title_latin1 ) { | |
| 263 SDL_OutOfMemory(); | |
| 264 return; | |
| 265 } | |
| 266 status = pXStringListToTextProperty(&title_latin1, 1, &titleprop); | |
| 267 SDL_free(title_latin1); | |
| 268 if ( status ) { | |
| 269 pXSetTextProperty(SDL_Display, WMwindow, &titleprop, XA_WM_NAME); | |
| 270 pXFree(titleprop.value); | |
| 271 } | |
|
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272 #ifdef X_HAVE_UTF8_STRING |
| 1558 | 273 status = pXutf8TextListToTextProperty(SDL_Display, |
| 274 (char **)&title, 1, XUTF8StringStyle, &titleprop); | |
| 275 if ( status == Success ) { | |
| 276 pXSetTextProperty(SDL_Display, WMwindow, &titleprop, _NET_WM_NAME); | |
| 277 pXFree(titleprop.value); | |
| 278 } | |
|
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279 #endif |
| 0 | 280 } |
| 281 if ( icon != NULL ) { | |
| 1558 | 282 char *icon_latin1 = SDL_iconv_utf8_latin1((char *)icon); |
| 283 if ( !icon_latin1 ) { | |
| 284 SDL_OutOfMemory(); | |
| 285 return; | |
| 286 } | |
| 287 status = pXStringListToTextProperty(&icon_latin1, 1, &iconprop); | |
| 288 SDL_free(icon_latin1); | |
| 289 if ( status ) { | |
| 290 pXSetTextProperty(SDL_Display, WMwindow, &iconprop, XA_WM_ICON_NAME); | |
| 291 pXFree(iconprop.value); | |
| 292 } | |
|
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293 #ifdef X_HAVE_UTF8_STRING |
| 1558 | 294 status = pXutf8TextListToTextProperty(SDL_Display, |
|
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295 (char **)&icon, 1, XUTF8StringStyle, &iconprop); |
| 1558 | 296 if ( status == Success ) { |
| 297 pXSetTextProperty(SDL_Display, WMwindow, &iconprop, _NET_WM_ICON_NAME); | |
| 298 pXFree(iconprop.value); | |
| 299 } | |
|
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300 #endif |
| 0 | 301 } |
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302 pXSync(SDL_Display, False); |
| 0 | 303 |
| 304 SDL_Unlock_EventThread(); | |
| 305 } | |
| 306 | |
| 307 /* Iconify the window */ | |
| 308 int X11_IconifyWindow(_THIS) | |
| 309 { | |
| 310 int result; | |
| 311 | |
| 312 SDL_Lock_EventThread(); | |
|
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313 result = pXIconifyWindow(SDL_Display, WMwindow, SDL_Screen); |
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314 pXSync(SDL_Display, False); |
| 0 | 315 SDL_Unlock_EventThread(); |
| 316 return(result); | |
| 317 } | |
| 318 | |
| 319 SDL_GrabMode X11_GrabInputNoLock(_THIS, SDL_GrabMode mode) | |
| 320 { | |
|
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321 int result; |
| 0 | 322 |
| 323 if ( this->screen == NULL ) { | |
| 324 return(SDL_GRAB_OFF); | |
| 325 } | |
| 326 if ( ! SDL_Window ) { | |
| 327 return(mode); /* Will be set later on mode switch */ | |
| 328 } | |
| 329 if ( mode == SDL_GRAB_OFF ) { | |
|
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330 pXUngrabPointer(SDL_Display, CurrentTime); |
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331 pXUngrabKeyboard(SDL_Display, CurrentTime); |
| 0 | 332 } else { |
| 333 if ( this->screen->flags & SDL_FULLSCREEN ) { | |
| 334 /* Unbind the mouse from the fullscreen window */ | |
|
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335 pXUngrabPointer(SDL_Display, CurrentTime); |
| 0 | 336 } |
| 337 /* Try to grab the mouse */ | |
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338 #if 0 /* We'll wait here until we actually grab, otherwise behavior undefined */ |
| 0 | 339 for ( numtries = 0; numtries < 10; ++numtries ) { |
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340 #else |
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341 while ( 1 ) { |
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342 #endif |
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343 result = pXGrabPointer(SDL_Display, SDL_Window, True, 0, |
| 0 | 344 GrabModeAsync, GrabModeAsync, |
| 345 SDL_Window, None, CurrentTime); | |
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346 if ( result == GrabSuccess ) { |
| 0 | 347 break; |
| 348 } | |
| 349 SDL_Delay(100); | |
| 350 } | |
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351 if ( result != GrabSuccess ) { |
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352 /* Uh, oh, what do we do here? */ ; |
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353 } |
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354 /* Now grab the keyboard */ |
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355 pXGrabKeyboard(SDL_Display, WMwindow, True, |
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356 GrabModeAsync, GrabModeAsync, CurrentTime); |
| 0 | 357 |
| 358 /* Raise the window if we grab the mouse */ | |
| 359 if ( !(this->screen->flags & SDL_FULLSCREEN) ) | |
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360 pXRaiseWindow(SDL_Display, WMwindow); |
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361 |
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362 /* Make sure we register input focus */ |
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363 SDL_PrivateAppActive(1, SDL_APPINPUTFOCUS); |
| 0 | 364 } |
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365 pXSync(SDL_Display, False); |
| 0 | 366 |
| 367 return(mode); | |
| 368 } | |
| 369 | |
| 370 SDL_GrabMode X11_GrabInput(_THIS, SDL_GrabMode mode) | |
| 371 { | |
| 372 SDL_Lock_EventThread(); | |
| 373 mode = X11_GrabInputNoLock(this, mode); | |
| 374 SDL_Unlock_EventThread(); | |
| 375 | |
| 376 return(mode); | |
| 377 } | |
| 378 | |
| 379 /* If 'info' is the right version, this function fills it and returns 1. | |
| 380 Otherwise, in case of a version mismatch, it returns -1. | |
| 381 */ | |
| 382 static void lock_display(void) | |
| 383 { | |
| 384 SDL_Lock_EventThread(); | |
| 385 } | |
| 386 static void unlock_display(void) | |
| 387 { | |
| 388 /* Make sure any X11 transactions are completed */ | |
| 389 SDL_VideoDevice *this = current_video; | |
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390 pXSync(SDL_Display, False); |
| 0 | 391 SDL_Unlock_EventThread(); |
| 392 } | |
| 393 int X11_GetWMInfo(_THIS, SDL_SysWMinfo *info) | |
| 394 { | |
| 395 if ( info->version.major <= SDL_MAJOR_VERSION ) { | |
| 396 info->subsystem = SDL_SYSWM_X11; | |
| 397 info->info.x11.display = SDL_Display; | |
| 398 info->info.x11.window = SDL_Window; | |
| 399 if ( SDL_VERSIONNUM(info->version.major, | |
| 400 info->version.minor, | |
| 401 info->version.patch) >= 1002 ) { | |
| 402 info->info.x11.fswindow = FSwindow; | |
| 403 info->info.x11.wmwindow = WMwindow; | |
| 404 } | |
| 405 info->info.x11.lock_func = lock_display; | |
| 406 info->info.x11.unlock_func = unlock_display; | |
| 407 return(1); | |
| 408 } else { | |
| 409 SDL_SetError("Application not compiled with SDL %d.%d\n", | |
| 410 SDL_MAJOR_VERSION, SDL_MINOR_VERSION); | |
| 411 return(-1); | |
| 412 } | |
| 413 } |