Mercurial > sdl-ios-xcode
annotate src/video/x11/SDL_x11wm.c @ 821:30168104389f
Date: Sat, 14 Feb 2004 14:52:40 +0200
From: "Mike Gorchak"
Subject: Batch of the QNX6 fixes for the SDL
1. Updated readme.QNX
2. Fixed crashes during intensive window updating under fast machines (got over 200 rectangles for update).
3. Fixed double-buffered fullscreen modes, now it works as needed.
4. Fixed Photon detection algorithm.
5. Fixed HWSURFACE update function.
6. Added SDL_PHOTON_FULLSCREEN_REFRESH environment variable support for control refresh rates under Photon.
7. Added 640x400 fullscreen mode emulation via 640x480 (if videodriver not supports original 640x400 mode of course) shifted by 40 vertical pixels from begin, to center it. It's needed for some old DOS games which ran in doubled 320x200 mode.
8. Added available video ram amount support.
8. Added hardware surface allocation/deallocation support if current videomode and videodriver supports it.
9. Added hardware filling support.
10. Added hardware blits support (simple and colorkeyed).
And I've added to testvidinfo test color-keyed blits benchmark (maybe need to add alpha blits benchmark too ?). Currently Photon not supporting any alpha hardware blittings (all drivers lack of alpha blitting code support, only software alpha blitting exist in photon, which is hundreds times slowest than the SDL's one). So I've not added the alpha support. I suppose new QNX 6.3 will have the hardware alpha support, so when it will be done, I'll add alpha support.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sat, 14 Feb 2004 20:22:21 +0000 |
| parents | b8d311d90021 |
| children | a7a8c282d62e |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
|
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3 Copyright (C) 1997-2004 Sam Lantinga |
| 0 | 4 |
| 5 This library is free software; you can redistribute it and/or | |
| 6 modify it under the terms of the GNU Library General Public | |
| 7 License as published by the Free Software Foundation; either | |
| 8 version 2 of the License, or (at your option) any later version. | |
| 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 | |
| 13 Library General Public License for more details. | |
| 14 | |
| 15 You should have received a copy of the GNU Library General Public | |
| 16 License along with this library; if not, write to the Free | |
| 17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 18 | |
| 19 Sam Lantinga | |
|
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20 slouken@libsdl.org |
| 0 | 21 */ |
| 22 | |
| 23 #ifdef SAVE_RCSID | |
| 24 static char rcsid = | |
| 25 "@(#) $Id$"; | |
| 26 #endif | |
| 27 | |
| 28 #include <stdlib.h> | |
| 29 #include <string.h> | |
| 30 #include <X11/Xlib.h> | |
| 31 #include <X11/Xutil.h> | |
| 32 | |
| 33 #include "SDL_version.h" | |
| 34 #include "SDL_error.h" | |
| 35 #include "SDL_timer.h" | |
| 36 #include "SDL_video.h" | |
| 37 #include "SDL_syswm.h" | |
| 38 #include "SDL_events_c.h" | |
| 39 #include "SDL_pixels_c.h" | |
| 40 #include "SDL_x11modes_c.h" | |
| 41 #include "SDL_x11wm_c.h" | |
| 42 | |
|
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43 static Uint8 reverse_byte(Uint8 x) |
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44 { |
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45 x = (x & 0xaa) >> 1 | (x & 0x55) << 1; |
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46 x = (x & 0xcc) >> 2 | (x & 0x33) << 2; |
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47 x = (x & 0xf0) >> 4 | (x & 0x0f) << 4; |
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48 return x; |
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49 } |
| 0 | 50 |
| 51 void X11_SetIcon(_THIS, SDL_Surface *icon, Uint8 *mask) | |
| 52 { | |
| 53 SDL_Surface *sicon; | |
| 54 XWMHints *wmhints; | |
| 55 XImage *icon_image; | |
| 56 Pixmap icon_pixmap; | |
| 57 Pixmap mask_pixmap; | |
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58 Window icon_window = None; |
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59 GC gc; |
| 0 | 60 XGCValues GCvalues; |
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61 int i, dbpp; |
| 0 | 62 SDL_Rect bounds; |
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63 Uint8 *LSBmask; |
| 0 | 64 Visual *dvis; |
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65 char *p; |
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66 int masksize; |
| 0 | 67 |
| 68 SDL_Lock_EventThread(); | |
| 69 | |
| 70 /* The icon must use the default visual, depth and colormap of the | |
| 71 screen, so it might need a conversion */ | |
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72 dvis = DefaultVisual(SDL_Display, SDL_Screen); |
| 0 | 73 dbpp = DefaultDepth(SDL_Display, SDL_Screen); |
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74 for(i = 0; i < this->hidden->nvisuals; i++) { |
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75 if(this->hidden->visuals[i].visual == dvis) { |
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76 dbpp = this->hidden->visuals[i].bpp; |
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77 break; |
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78 } |
| 0 | 79 } |
| 80 | |
| 81 /* The Visual struct is supposed to be opaque but we cheat a little */ | |
| 82 sicon = SDL_CreateRGBSurface(SDL_SWSURFACE, icon->w, icon->h, | |
| 83 dbpp, | |
| 84 dvis->red_mask, dvis->green_mask, | |
| 85 dvis->blue_mask, 0); | |
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86 if ( sicon == NULL ) |
| 0 | 87 goto done; |
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88 |
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89 if(dbpp == 8) { |
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90 /* Default visual is 8bit; we need to allocate colours from |
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91 the default colormap */ |
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92 SDL_Color want[256], got[256]; |
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93 int nwant; |
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94 Colormap dcmap; |
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95 int missing; |
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96 dcmap = DefaultColormap(SDL_Display, SDL_Screen); |
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97 if(icon->format->palette) { |
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98 /* The icon has a palette as well - we just have to |
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99 find those colours */ |
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100 nwant = icon->format->palette->ncolors; |
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101 memcpy(want, icon->format->palette->colors, |
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102 nwant * sizeof want[0]); |
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103 } else { |
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104 /* try the standard 6x6x6 cube for lack of better |
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105 ideas */ |
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106 int r, g, b, i; |
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107 for(r = i = 0; r < 256; r += 0x33) |
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108 for(g = 0; g < 256; g += 0x33) |
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109 for(b = 0; b < 256; b += 0x33, i++) { |
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110 want[i].r = r; |
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111 want[i].g = g; |
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112 want[i].b = b; |
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113 } |
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114 nwant = 216; |
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115 } |
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116 if(SDL_iconcolors) { |
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117 /* free already allocated colours first */ |
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118 unsigned long freelist[512]; |
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119 int nfree = 0; |
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120 for(i = 0; i < 256; i++) { |
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121 while(SDL_iconcolors[i]) { |
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122 freelist[nfree++] = i; |
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123 SDL_iconcolors[i]--; |
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124 } |
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125 } |
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126 XFreeColors(GFX_Display, dcmap, freelist, nfree, 0); |
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127 } |
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128 if(!SDL_iconcolors) |
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129 SDL_iconcolors = malloc(256 * sizeof *SDL_iconcolors); |
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130 memset(SDL_iconcolors, 0, 256 * sizeof *SDL_iconcolors); |
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131 |
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132 /* try to allocate the colours */ |
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133 memset(got, 0, sizeof got); |
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134 missing = 0; |
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135 for(i = 0; i < nwant; i++) { |
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136 XColor c; |
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137 c.red = want[i].r << 8; |
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138 c.green = want[i].g << 8; |
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139 c.blue = want[i].b << 8; |
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140 c.flags = DoRed | DoGreen | DoBlue; |
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141 if(XAllocColor(GFX_Display, dcmap, &c)) { |
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142 /* got the colour */ |
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143 SDL_iconcolors[c.pixel]++; |
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144 got[c.pixel] = want[i]; |
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145 } else { |
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146 missing = 1; |
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147 } |
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148 } |
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149 if(missing) { |
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150 /* Some colours were apparently missing, so we just |
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151 allocate all the rest as well */ |
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152 XColor cols[256]; |
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153 for(i = 0; i < 256; i++) |
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154 cols[i].pixel = i; |
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155 XQueryColors(GFX_Display, dcmap, cols, 256); |
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156 for(i = 0; i < 256; i++) { |
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157 got[i].r = cols[i].red >> 8; |
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158 got[i].g = cols[i].green >> 8; |
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159 got[i].b = cols[i].blue >> 8; |
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160 if(!SDL_iconcolors[i]) { |
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161 if(XAllocColor(GFX_Display, dcmap, |
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162 cols + i)) { |
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163 SDL_iconcolors[i] = 1; |
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164 } else { |
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165 /* index not available */ |
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166 got[i].r = 0; |
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167 got[i].g = 0; |
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168 got[i].b = 0; |
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169 } |
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170 } |
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171 } |
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172 } |
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173 |
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174 SDL_SetColors(sicon, got, 0, 256); |
| 0 | 175 } |
| 176 | |
| 177 bounds.x = 0; | |
| 178 bounds.y = 0; | |
| 179 bounds.w = icon->w; | |
| 180 bounds.h = icon->h; | |
| 181 if ( SDL_LowerBlit(icon, &bounds, sicon, &bounds) < 0 ) | |
| 182 goto done; | |
| 183 | |
|
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184 /* We need the mask as given, except in LSBfirst format instead of |
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185 MSBfirst. Reverse the bits in each byte. */ |
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186 masksize = ((sicon->w + 7) >> 3) * sicon->h; |
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187 LSBmask = malloc(masksize); |
| 0 | 188 if ( LSBmask == NULL ) { |
| 189 goto done; | |
| 190 } | |
|
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191 memset(LSBmask, 0, masksize); |
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192 for(i = 0; i < masksize; i++) |
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193 LSBmask[i] = reverse_byte(mask[i]); |
| 0 | 194 mask_pixmap = XCreatePixmapFromBitmapData(SDL_Display, WMwindow, |
|
236
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195 (char *)LSBmask, |
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196 sicon->w, sicon->h, |
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197 1L, 0L, 1); |
| 0 | 198 |
| 199 /* Transfer the image to an X11 pixmap */ | |
| 200 icon_image = XCreateImage(SDL_Display, | |
|
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201 DefaultVisual(SDL_Display, SDL_Screen), |
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202 DefaultDepth(SDL_Display, SDL_Screen), |
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203 ZPixmap, 0, sicon->pixels, |
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204 sicon->w, sicon->h, |
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205 32, 0); |
|
246
7c09c9e3b0c7
From: "Mattias Engdeg�rd" <f91-men@nada.kth.se>
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206 icon_image->byte_order = (SDL_BYTEORDER == SDL_BIG_ENDIAN) |
|
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From: "Mattias Engdeg�rd" <f91-men@nada.kth.se>
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207 ? MSBFirst : LSBFirst; |
| 0 | 208 icon_pixmap = XCreatePixmap(SDL_Display, SDL_Root, sicon->w, sicon->h, |
|
236
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209 DefaultDepth(SDL_Display, SDL_Screen)); |
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210 gc = XCreateGC(SDL_Display, icon_pixmap, 0, &GCvalues); |
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211 XPutImage(SDL_Display, icon_pixmap, gc, icon_image, |
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212 0, 0, 0, 0, sicon->w, sicon->h); |
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213 XFreeGC(SDL_Display, gc); |
| 0 | 214 XDestroyImage(icon_image); |
| 215 free(LSBmask); | |
| 216 sicon->pixels = NULL; | |
| 217 | |
|
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218 /* Some buggy window managers (some versions of Enlightenment, it |
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219 seems) need an icon window *and* icon pixmap to work properly, while |
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220 it screws up others. The default is only to use a pixmap. */ |
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221 p = getenv("SDL_VIDEO_X11_ICONWIN"); |
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222 if(p && *p) { |
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223 icon_window = XCreateSimpleWindow(SDL_Display, SDL_Root, |
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224 0, 0, sicon->w, sicon->h, 0, |
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225 CopyFromParent, |
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226 CopyFromParent); |
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227 XSetWindowBackgroundPixmap(SDL_Display, icon_window, |
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228 icon_pixmap); |
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229 XClearWindow(SDL_Display, icon_window); |
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230 } |
| 0 | 231 |
| 232 /* Set the window icon to the icon pixmap (and icon window) */ | |
| 233 wmhints = XAllocWMHints(); | |
| 234 wmhints->flags = (IconPixmapHint | IconMaskHint); | |
| 235 wmhints->icon_pixmap = icon_pixmap; | |
| 236 wmhints->icon_mask = mask_pixmap; | |
|
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237 if(icon_window != None) { |
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238 wmhints->flags |= IconWindowHint; |
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239 wmhints->icon_window = icon_window; |
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240 } |
| 0 | 241 XSetWMHints(SDL_Display, WMwindow, wmhints); |
| 242 XFree(wmhints); | |
| 243 XSync(SDL_Display, False); | |
| 244 | |
| 245 done: | |
| 246 SDL_Unlock_EventThread(); | |
|
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247 SDL_FreeSurface(sicon); |
| 0 | 248 } |
| 249 | |
| 250 void X11_SetCaption(_THIS, const char *title, const char *icon) | |
| 251 { | |
| 252 XTextProperty titleprop, iconprop; | |
| 253 | |
| 254 /* Lock the event thread, in multi-threading environments */ | |
| 255 SDL_Lock_EventThread(); | |
| 256 | |
| 257 if ( title != NULL ) { | |
| 258 XStringListToTextProperty((char **)&title, 1, &titleprop); | |
| 259 XSetWMName(SDL_Display, WMwindow, &titleprop); | |
| 260 XFree(titleprop.value); | |
| 261 } | |
| 262 if ( icon != NULL ) { | |
| 263 XStringListToTextProperty((char **)&icon, 1, &iconprop); | |
| 264 XSetWMIconName(SDL_Display, WMwindow, &iconprop); | |
| 265 XFree(iconprop.value); | |
| 266 } | |
| 267 XSync(SDL_Display, False); | |
| 268 | |
| 269 SDL_Unlock_EventThread(); | |
| 270 } | |
| 271 | |
| 272 /* Iconify the window */ | |
| 273 int X11_IconifyWindow(_THIS) | |
| 274 { | |
| 275 int result; | |
| 276 | |
| 277 SDL_Lock_EventThread(); | |
| 278 result = XIconifyWindow(SDL_Display, WMwindow, SDL_Screen); | |
| 279 XSync(SDL_Display, False); | |
| 280 SDL_Unlock_EventThread(); | |
| 281 return(result); | |
| 282 } | |
| 283 | |
| 284 SDL_GrabMode X11_GrabInputNoLock(_THIS, SDL_GrabMode mode) | |
| 285 { | |
|
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286 int result; |
| 0 | 287 |
| 288 if ( this->screen == NULL ) { | |
| 289 return(SDL_GRAB_OFF); | |
| 290 } | |
| 291 if ( ! SDL_Window ) { | |
| 292 return(mode); /* Will be set later on mode switch */ | |
| 293 } | |
| 294 if ( mode == SDL_GRAB_OFF ) { | |
| 295 XUngrabPointer(SDL_Display, CurrentTime); | |
|
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296 XUngrabKeyboard(SDL_Display, CurrentTime); |
| 0 | 297 } else { |
| 298 if ( this->screen->flags & SDL_FULLSCREEN ) { | |
| 299 /* Unbind the mouse from the fullscreen window */ | |
| 300 XUngrabPointer(SDL_Display, CurrentTime); | |
| 301 } | |
| 302 /* Try to grab the mouse */ | |
|
98
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303 #if 0 /* We'll wait here until we actually grab, otherwise behavior undefined */ |
| 0 | 304 for ( numtries = 0; numtries < 10; ++numtries ) { |
|
98
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305 #else |
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306 while ( 1 ) { |
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307 #endif |
| 0 | 308 result = XGrabPointer(SDL_Display, SDL_Window, True, 0, |
| 309 GrabModeAsync, GrabModeAsync, | |
| 310 SDL_Window, None, CurrentTime); | |
|
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311 if ( result == GrabSuccess ) { |
| 0 | 312 break; |
| 313 } | |
| 314 SDL_Delay(100); | |
| 315 } | |
|
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Hopefully fixed the fullscreen mode code for KDE
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316 if ( result != GrabSuccess ) { |
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317 /* Uh, oh, what do we do here? */ ; |
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318 } |
|
98
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319 /* Now grab the keyboard */ |
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320 XGrabKeyboard(SDL_Display, WMwindow, True, |
|
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321 GrabModeAsync, GrabModeAsync, CurrentTime); |
| 0 | 322 |
| 323 /* Raise the window if we grab the mouse */ | |
| 324 if ( !(this->screen->flags & SDL_FULLSCREEN) ) | |
| 325 XRaiseWindow(SDL_Display, WMwindow); | |
|
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326 |
|
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327 /* Make sure we register input focus */ |
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328 SDL_PrivateAppActive(1, SDL_APPINPUTFOCUS); |
| 0 | 329 } |
| 330 XSync(SDL_Display, False); | |
| 331 | |
| 332 return(mode); | |
| 333 } | |
| 334 | |
| 335 SDL_GrabMode X11_GrabInput(_THIS, SDL_GrabMode mode) | |
| 336 { | |
| 337 SDL_Lock_EventThread(); | |
| 338 mode = X11_GrabInputNoLock(this, mode); | |
| 339 SDL_Unlock_EventThread(); | |
| 340 | |
| 341 return(mode); | |
| 342 } | |
| 343 | |
| 344 /* If 'info' is the right version, this function fills it and returns 1. | |
| 345 Otherwise, in case of a version mismatch, it returns -1. | |
| 346 */ | |
| 347 static void lock_display(void) | |
| 348 { | |
| 349 SDL_Lock_EventThread(); | |
| 350 } | |
| 351 static void unlock_display(void) | |
| 352 { | |
| 353 /* Make sure any X11 transactions are completed */ | |
| 354 SDL_VideoDevice *this = current_video; | |
| 355 XSync(SDL_Display, False); | |
| 356 SDL_Unlock_EventThread(); | |
| 357 } | |
| 358 int X11_GetWMInfo(_THIS, SDL_SysWMinfo *info) | |
| 359 { | |
| 360 if ( info->version.major <= SDL_MAJOR_VERSION ) { | |
| 361 info->subsystem = SDL_SYSWM_X11; | |
| 362 info->info.x11.display = SDL_Display; | |
| 363 info->info.x11.window = SDL_Window; | |
| 364 if ( SDL_VERSIONNUM(info->version.major, | |
| 365 info->version.minor, | |
| 366 info->version.patch) >= 1002 ) { | |
| 367 info->info.x11.fswindow = FSwindow; | |
| 368 info->info.x11.wmwindow = WMwindow; | |
| 369 } | |
| 370 info->info.x11.lock_func = lock_display; | |
| 371 info->info.x11.unlock_func = unlock_display; | |
| 372 return(1); | |
| 373 } else { | |
| 374 SDL_SetError("Application not compiled with SDL %d.%d\n", | |
| 375 SDL_MAJOR_VERSION, SDL_MINOR_VERSION); | |
| 376 return(-1); | |
| 377 } | |
| 378 } |