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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997, 1998, 1999, 2000, 2001 Sam Lantinga
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4
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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 Library General Public
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7 License as published by the Free Software Foundation; either
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8 version 2 of the License, or (at your option) any later version.
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9
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10 This library is distributed in the hope that it will be useful,
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 Library General Public License for more details.
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14
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15 You should have received a copy of the GNU Library General Public
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16 License along with this library; if not, write to the Free
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18
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19 Sam Lantinga
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20 slouken@devolution.com
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21 */
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22
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23 #ifdef SAVE_RCSID
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24 static char rcsid =
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25 "@(#) $Id$";
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26 #endif
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27
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28 #include <stdlib.h>
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29 #include <string.h>
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30 #include <Ph.h>
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31 #include "SDL_version.h"
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32 #include "SDL_error.h"
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33 #include "SDL_timer.h"
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34 #include "SDL_video.h"
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35 #include "SDL_syswm.h"
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36 #include "SDL_events_c.h"
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37 #include "SDL_pixels_c.h"
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38 #include "SDL_ph_modes_c.h"
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39 #include "SDL_ph_wm_c.h"
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40
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41 /* This is necessary for working properly with Enlightenment, etc. */
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42 #define USE_ICON_WINDOW
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43
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44 void ph_SetIcon(_THIS, SDL_Surface *icon, Uint8 *mask)
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45 {
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46
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47 #if 0 /*big*/
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48 int ncolors;
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49 PhImage_t *image;
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50 PgColor_t* palette;
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51
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52 image = PhCreateImage( image,
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53 icon->w,
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54 icon->h,
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55 Pg_IMAGE_DIRECT_888,
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56 NULL, 0, 0 );
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57
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58 /* ---------------------------------------- */
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59 SDL_Surface *sicon;
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60 // XWMHints *wmhints;
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61 // XImage *icon_image;
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62 // Pixmap icon_pixmap;
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63 // Pixmap mask_pixmap;
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64 // GC GC;
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65 // XGCValues GCvalues;
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66 int i, b, dbpp;
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67 SDL_Rect bounds;
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68 Uint8 *LSBmask, *color_tried;
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69 Visual *dvis;
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70
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71 /* Lock the event thread, in multi-threading environments */
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72 SDL_Lock_EventThread();
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73
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74 /* The icon must use the default visual, depth and colormap of the
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75 screen, so it might need a conversion */
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76 // ? dbpp = DefaultDepth(SDL_Display, SDL_Screen);
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77 switch(dbpp) {
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78 case 15:
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79 dbpp = 16; break;
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80 case 24:
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81 dbpp = 32; break;
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82 }
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83 dvis = DefaultVisual(SDL_Display, SDL_Screen);
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84
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85 /* The Visual struct is supposed to be opaque but we cheat a little */
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86 sicon = SDL_CreateRGBSurface(SDL_SWSURFACE, icon->w, icon->h,
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87 dbpp,
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88 dvis->red_mask, dvis->green_mask,
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89 dvis->blue_mask, 0);
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90
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91 if ( sicon == NULL ) {
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92 goto done;
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93 }
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94 /* If we already have allocated colours from the default colormap,
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95 copy them */
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96 if(SDL_Visual == dvis && SDL_XColorMap == SDL_DisplayColormap
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97 && this->screen->format->palette && sicon->format->palette) {
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98 memcpy(sicon->format->palette->colors,
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99 this->screen->format->palette->colors,
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100 this->screen->format->palette->ncolors * sizeof(SDL_Color));
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101 }
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102
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103 bounds.x = 0;
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104 bounds.y = 0;
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105 bounds.w = icon->w;
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106 bounds.h = icon->h;
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107 if ( SDL_LowerBlit(icon, &bounds, sicon, &bounds) < 0 )
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108 goto done;
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109
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110 /* Lock down the colors used in the colormap */
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111 color_tried = NULL;
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112 if ( sicon->format->BitsPerPixel == 8 ) {
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113 SDL_Palette *palette;
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114 Uint8 *p;
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115 XColor wanted;
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116
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117 palette = sicon->format->palette;
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118 color_tried = malloc(palette->ncolors);
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119 if ( color_tried == NULL ) {
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120 goto done;
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121 }
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122 if ( SDL_iconcolors != NULL ) {
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123 free(SDL_iconcolors);
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124 }
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125 SDL_iconcolors = malloc(palette->ncolors
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126 * sizeof(*SDL_iconcolors));
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127 if ( SDL_iconcolors == NULL ) {
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128 free(color_tried);
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129 goto done;
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130 }
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131 memset(color_tried, 0, palette->ncolors);
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132 memset(SDL_iconcolors, 0,
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133 palette->ncolors * sizeof(*SDL_iconcolors));
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134
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135 p = (Uint8 *)sicon->pixels;
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136 for ( i = sicon->w*sicon->h; i > 0; --i, ++p ) {
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137 if ( ! color_tried[*p] ) {
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138 wanted.pixel = *p;
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139 wanted.red = (palette->colors[*p].r<<8);
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140 wanted.green = (palette->colors[*p].g<<8);
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141 wanted.blue = (palette->colors[*p].b<<8);
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142 wanted.flags = (DoRed|DoGreen|DoBlue);
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143 if (XAllocColor(SDL_Display,
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144 SDL_DisplayColormap, &wanted)) {
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145 ++SDL_iconcolors[wanted.pixel];
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146 }
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147 color_tried[*p] = 1;
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148 }
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149 }
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150 }
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151 if ( color_tried != NULL ) {
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152 free(color_tried);
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153 }
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154
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155 /* Translate mask data to LSB order and set the icon mask */
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156 i = (sicon->w/8)*sicon->h;
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157 LSBmask = (Uint8 *)malloc(i);
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158 if ( LSBmask == NULL ) {
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159 goto done;
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160 }
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161 memset(LSBmask, 0, i);
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162 while ( --i >= 0 ) {
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163 for ( b=0; b<8; ++b )
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164 LSBmask[i] |= (((mask[i]>>b)&0x01)<<(7-b));
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165 }
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166 mask_pixmap = XCreatePixmapFromBitmapData(SDL_Display, WMwindow,
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167 LSBmask, sicon->w, sicon->h, 1L, 0L, 1);
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168
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169 /* Transfer the image to an X11 pixmap */
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170 icon_image = XCreateImage(SDL_Display,
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171 DefaultVisual(SDL_Display, SDL_Screen),
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172 DefaultDepth(SDL_Display, SDL_Screen),
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173 ZPixmap, 0, (char *)sicon->pixels, sicon->w, sicon->h,
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174 ((sicon->format)->BytesPerPixel == 3) ? 32 :
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175 (sicon->format)->BytesPerPixel*8, 0);
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176 icon_pixmap = XCreatePixmap(SDL_Display, SDL_Root, sicon->w, sicon->h,
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177 DefaultDepth(SDL_Display, SDL_Screen));
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178 GC = XCreateGC(SDL_Display, icon_pixmap, 0, &GCvalues);
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179 XPutImage(SDL_Display, icon_pixmap, GC, icon_image,
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180 0, 0, 0, 0, sicon->w, sicon->h);
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181 XFreeGC(SDL_Display, GC);
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182 XDestroyImage(icon_image);
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183 free(LSBmask);
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184 sicon->pixels = NULL;
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185
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186 #ifdef USE_ICON_WINDOW
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187 /* Create an icon window and set the pixmap as its background */
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188 icon_window = XCreateSimpleWindow(SDL_Display, SDL_Root,
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189 0, 0, sicon->w, sicon->h, 0,
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190 CopyFromParent, CopyFromParent);
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191 XSetWindowBackgroundPixmap(SDL_Display, icon_window, icon_pixmap);
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192 XClearWindow(SDL_Display, icon_window);
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193 #endif
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194
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195 /* Set the window icon to the icon pixmap (and icon window) */
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196 wmhints = XAllocWMHints();
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197 wmhints->flags = (IconPixmapHint | IconMaskHint);
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198 wmhints->icon_pixmap = icon_pixmap;
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199 wmhints->icon_mask = mask_pixmap;
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200 #ifdef USE_ICON_WINDOW
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201 wmhints->flags |= IconWindowHint;
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202 wmhints->icon_window = icon_window;
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203 #endif
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204 XSetWMHints(SDL_Display, WMwindow, wmhints);
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205 XFree(wmhints);
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206 XSync(SDL_Display, False);
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207
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208 done:
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209 SDL_Unlock_EventThread();
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210 if ( sicon != NULL ) {
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211 SDL_FreeSurface(sicon);
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212 }
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213
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214 #endif /*big*/
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215 return;
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216 }
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217
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218 void ph_SetCaption(_THIS, const char *title, const char *icon)
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219 {
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220
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221 #if 0
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222 XTextProperty titleprop, iconprop;
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223
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224 /* Lock the event thread, in multi-threading environments */
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225 SDL_Lock_EventThread();
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226
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227 if ( title != NULL ) {
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228 XStringListToTextProperty((char **)&title, 1, &titleprop);
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229 XSetWMName(SDL_Display, WMwindow, &titleprop);
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230 XFree(titleprop.value);
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231 }
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232 if ( icon != NULL ) {
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233 XStringListToTextProperty((char **)&icon, 1, &iconprop);
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234 XSetWMIconName(SDL_Display, WMwindow, &iconprop);
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235 XFree(iconprop.value);
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236 }
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237 XSync(SDL_Display, False);
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238
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239 SDL_Unlock_EventThread();
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240 #endif
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241 }
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242
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243 /* Iconify the window */
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244 int ph_IconifyWindow(_THIS)
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245 {
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246 int result;
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247
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248 #if 0
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249 SDL_Lock_EventThread();
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250 result = XIconifyWindow(SDL_Display, WMwindow, SDL_Screen);
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251 XSync(SDL_Display, False);
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252 SDL_Unlock_EventThread();
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253 #endif
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254 return(result);
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255 }
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256
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257 SDL_GrabMode ph_GrabInputNoLock(_THIS, SDL_GrabMode mode)
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258 {
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259 #if 0 /*big*/
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260 int numtries, result;
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261
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262 if ( this->screen == NULL ) {
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263 return(SDL_GRAB_OFF);
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264 }
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265 if ( ! SDL_Window ) {
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266 return(mode); /* Will be set later on mode switch */
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267 }
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268 if ( mode == SDL_GRAB_OFF ) {
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269 XUngrabPointer(SDL_Display, CurrentTime);
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270 if ( this->screen->flags & SDL_FULLSCREEN ) {
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271 /* Rebind the mouse to the fullscreen window */
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272 for ( numtries = 0; numtries < 10; ++numtries ) {
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273 result = XGrabPointer(SDL_Display, FSwindow,
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274 True, 0,
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275 GrabModeAsync, GrabModeAsync,
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276 FSwindow, None, CurrentTime);
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277 if ( result == AlreadyGrabbed ) {
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278 break;
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279 }
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280 SDL_Delay(100);
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281 }
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282 }
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283 #ifdef GRAB_FULLSCREEN
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284 if ( !(this->screen->flags & SDL_FULLSCREEN) )
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285 #endif
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286 XUngrabKeyboard(SDL_Display, CurrentTime);
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287 } else {
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288 if ( this->screen->flags & SDL_FULLSCREEN ) {
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289 /* Unbind the mouse from the fullscreen window */
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290 XUngrabPointer(SDL_Display, CurrentTime);
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291 }
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292 /* Try to grab the mouse */
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293 for ( numtries = 0; numtries < 10; ++numtries ) {
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294 result = XGrabPointer(SDL_Display, SDL_Window, True, 0,
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295 GrabModeAsync, GrabModeAsync,
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296 SDL_Window, None, CurrentTime);
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297 if ( result != AlreadyGrabbed ) {
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298 break;
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299 }
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300 SDL_Delay(100);
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301 }
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302 #ifdef GRAB_FULLSCREEN
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303 if ( !(this->screen->flags & SDL_FULLSCREEN) )
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304 #endif
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305 XGrabKeyboard(SDL_Display, WMwindow, True,
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306 GrabModeAsync, GrabModeAsync, CurrentTime);
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307 }
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308 XSync(SDL_Display, False);
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309
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310
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311 #endif /*big*/
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312 return(mode);
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313 }
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314
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315 SDL_GrabMode ph_GrabInput(_THIS, SDL_GrabMode mode)
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316 {
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317 #if 0
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318 SDL_Lock_EventThread();
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319 mode = X11_GrabInputNoLock(this, mode);
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320 SDL_Unlock_EventThread();
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321 #endif
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322 return(mode);
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323 }
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324
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325 /* If 'info' is the right version, this function fills it and returns 1.
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326 Otherwise, in case of a version mismatch, it returns -1.
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327 */
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328 static void lock_display(void)
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329 {
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330 SDL_Lock_EventThread();
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331 }
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332 static void unlock_display(void)
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333 {
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334 #if 0
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335 /* Make sure any X11 transactions are completed */
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336 SDL_VideoDevice *this = current_video;
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337 XSync(SDL_Display, False);
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338 SDL_Unlock_EventThread();
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339 #endif
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340 }
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341 int ph_GetWMInfo(_THIS, SDL_SysWMinfo *info)
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342 {
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343 #if 0
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344 if ( info->version.major <= SDL_MAJOR_VERSION ) {
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345 info->subsystem = SDL_SYSWM_X11;
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346 info->info.x11.display = SDL_Display;
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347 info->info.x11.window = SDL_Window;
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348 if ( SDL_VERSIONNUM(info->version.major,
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349 info->version.minor,
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350 info->version.patch) >= 1002 ) {
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351 info->info.x11.fswindow = FSwindow;
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352 info->info.x11.wmwindow = WMwindow;
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353 }
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354 info->info.x11.lock_func = lock_display;
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355 info->info.x11.unlock_func = unlock_display;
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356 return(1);
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357 } else {
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358 SDL_SetError("Application not compiled with SDL %d.%d\n",
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359 SDL_MAJOR_VERSION, SDL_MINOR_VERSION);
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360 return(-1);
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361 }
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362 #endif
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363 }
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