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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 "SDL_version.h"
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29 #include "SDL_error.h"
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30 #include "SDL_timer.h"
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31 #include "SDL_video.h"
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32 #include "SDL_syswm.h"
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33 #include "SDL_events_c.h"
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34 #include "SDL_pixels_c.h"
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35 #include "SDL_cgxmodes_c.h"
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36 #include "SDL_cgxwm_c.h"
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37
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38 /* This is necessary for working properly with Enlightenment, etc. */
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39 #define USE_ICON_WINDOW
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40
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41 void CGX_SetIcon(_THIS, SDL_Surface *icon, Uint8 *mask)
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42 {
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43 #if 0
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44 SDL_Surface *sicon;
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45 XWMHints *wmhints;
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46 XImage *icon_image;
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47 Pixmap icon_pixmap;
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48 Pixmap mask_pixmap;
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49 #ifdef USE_ICON_WINDOW
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50 Window icon_window;
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51 #endif
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52 GC GC;
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53 XGCValues GCvalues;
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54 int i, b, dbpp;
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55 SDL_Rect bounds;
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56 Uint8 *LSBmask, *color_tried;
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57 Visual *dvis;
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58
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59 /* Lock the event thread, in multi-threading environments */
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60 SDL_Lock_EventThread();
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61
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62 /* The icon must use the default visual, depth and colormap of the
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63 screen, so it might need a conversion */
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64 dbpp = DefaultDepth(SDL_Display, SDL_Screen);
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65 switch(dbpp) {
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66 case 15:
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67 dbpp = 16; break;
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68 case 24:
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69 dbpp = 32; break;
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70 }
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71 dvis = DefaultVisual(SDL_Display, SDL_Screen);
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72
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73 /* The Visual struct is supposed to be opaque but we cheat a little */
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74 sicon = SDL_CreateRGBSurface(SDL_SWSURFACE, icon->w, icon->h,
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75 dbpp,
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76 dvis->red_mask, dvis->green_mask,
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77 dvis->blue_mask, 0);
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78
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79 if ( sicon == NULL ) {
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80 goto done;
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81 }
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82 /* If we already have allocated colours from the default colormap,
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83 copy them */
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84 if(SDL_Visual == dvis && SDL_XColorMap == SDL_DisplayColormap
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85 && this->screen->format->palette && sicon->format->palette) {
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86 memcpy(sicon->format->palette->colors,
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87 this->screen->format->palette->colors,
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88 this->screen->format->palette->ncolors * sizeof(SDL_Color));
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89 }
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90
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91 bounds.x = 0;
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92 bounds.y = 0;
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93 bounds.w = icon->w;
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94 bounds.h = icon->h;
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95 if ( SDL_LowerBlit(icon, &bounds, sicon, &bounds) < 0 )
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96 goto done;
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97
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98 /* Lock down the colors used in the colormap */
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99 color_tried = NULL;
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100 if ( sicon->format->BitsPerPixel == 8 ) {
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101 SDL_Palette *palette;
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102 Uint8 *p;
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103 XColor wanted;
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104
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105 palette = sicon->format->palette;
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106 color_tried = malloc(palette->ncolors);
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107 if ( color_tried == NULL ) {
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108 goto done;
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109 }
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110 if ( SDL_iconcolors != NULL ) {
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111 free(SDL_iconcolors);
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112 }
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113 SDL_iconcolors = malloc(palette->ncolors
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114 * sizeof(*SDL_iconcolors));
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115 if ( SDL_iconcolors == NULL ) {
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116 free(color_tried);
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117 goto done;
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118 }
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119 memset(color_tried, 0, palette->ncolors);
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120 memset(SDL_iconcolors, 0,
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121 palette->ncolors * sizeof(*SDL_iconcolors));
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122
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123 p = (Uint8 *)sicon->pixels;
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124 for ( i = sicon->w*sicon->h; i > 0; --i, ++p ) {
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125 if ( ! color_tried[*p] ) {
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126 wanted.pixel = *p;
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127 wanted.red = (palette->colors[*p].r<<8);
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128 wanted.green = (palette->colors[*p].g<<8);
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129 wanted.blue = (palette->colors[*p].b<<8);
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130 wanted.flags = (DoRed|DoGreen|DoBlue);
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131 if (XAllocColor(SDL_Display,
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132 SDL_DisplayColormap, &wanted)) {
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133 ++SDL_iconcolors[wanted.pixel];
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134 }
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135 color_tried[*p] = 1;
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136 }
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137 }
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138 }
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139 if ( color_tried != NULL ) {
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140 free(color_tried);
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141 }
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142
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143 /* Translate mask data to LSB order and set the icon mask */
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144 i = (sicon->w/8)*sicon->h;
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145 LSBmask = (Uint8 *)malloc(i);
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146 if ( LSBmask == NULL ) {
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147 goto done;
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148 }
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149 memset(LSBmask, 0, i);
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150 while ( --i >= 0 ) {
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151 for ( b=0; b<8; ++b )
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152 LSBmask[i] |= (((mask[i]>>b)&0x01)<<(7-b));
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153 }
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154 mask_pixmap = XCreatePixmapFromBitmapData(SDL_Display, WMwindow,
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155 LSBmask, sicon->w, sicon->h, 1L, 0L, 1);
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156
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157 /* Transfer the image to an X11 pixmap */
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158 icon_image = XCreateImage(SDL_Display,
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159 DefaultVisual(SDL_Display, SDL_Screen),
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160 DefaultDepth(SDL_Display, SDL_Screen),
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161 ZPixmap, 0, (char *)sicon->pixels, sicon->w, sicon->h,
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162 ((sicon->format)->BytesPerPixel == 3) ? 32 :
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163 (sicon->format)->BytesPerPixel*8, 0);
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164 icon_pixmap = XCreatePixmap(SDL_Display, SDL_Root, sicon->w, sicon->h,
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165 DefaultDepth(SDL_Display, SDL_Screen));
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166 GC = XCreateGC(SDL_Display, icon_pixmap, 0, &GCvalues);
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167 XPutImage(SDL_Display, icon_pixmap, GC, icon_image,
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168 0, 0, 0, 0, sicon->w, sicon->h);
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169 XFreeGC(SDL_Display, GC);
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170 XDestroyImage(icon_image);
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171 free(LSBmask);
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172 sicon->pixels = NULL;
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173
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174 #ifdef USE_ICON_WINDOW
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175 /* Create an icon window and set the pixmap as its background */
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176 icon_window = XCreateSimpleWindow(SDL_Display, SDL_Root,
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177 0, 0, sicon->w, sicon->h, 0,
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178 CopyFromParent, CopyFromParent);
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179 XSetWindowBackgroundPixmap(SDL_Display, icon_window, icon_pixmap);
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180 XClearWindow(SDL_Display, icon_window);
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181 #endif
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182
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183 /* Set the window icon to the icon pixmap (and icon window) */
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184 wmhints = XAllocWMHints();
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185 wmhints->flags = (IconPixmapHint | IconMaskHint);
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186 wmhints->icon_pixmap = icon_pixmap;
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187 wmhints->icon_mask = mask_pixmap;
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188 #ifdef USE_ICON_WINDOW
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189 wmhints->flags |= IconWindowHint;
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190 wmhints->icon_window = icon_window;
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191 #endif
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192 XSetWMHints(SDL_Display, WMwindow, wmhints);
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193 XFree(wmhints);
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194 XSync(SDL_Display, False);
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195
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196 done:
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197 SDL_Unlock_EventThread();
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198 if ( sicon != NULL ) {
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199 SDL_FreeSurface(sicon);
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200 }
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201 #endif
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202 return;
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203 }
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204
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205 void CGX_SetCaption(_THIS, const char *title, const char *icon)
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206 {
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207 if(SDL_Window)
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208 SetWindowTitles(SDL_Window,(char *)title,NULL);
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209 }
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210
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211 /* Iconify the window */
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212 int CGX_IconifyWindow(_THIS)
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213 {
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214 #if 0
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215 int result;
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216
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217 SDL_Lock_EventThread();
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218 result = XIconifyWindow(SDL_Display, WMwindow, SDL_Screen);
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219 XSync(SDL_Display, False);
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220 SDL_Unlock_EventThread();
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221 return(result);
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222 #else
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223 return 0;
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224 #endif
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225 }
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226
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227 #if 0
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228 SDL_GrabMode X11_GrabInputNoLock(_THIS, SDL_GrabMode mode)
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229 {
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230 int numtries, result;
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231
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232 if ( this->screen == NULL ) {
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233 return(SDL_GRAB_OFF);
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234 }
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235 if ( ! SDL_Window ) {
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236 return(mode); /* Will be set later on mode switch */
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237 }
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238 if ( mode == SDL_GRAB_OFF ) {
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239 XUngrabPointer(SDL_Display, CurrentTime);
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240 if ( this->screen->flags & SDL_FULLSCREEN ) {
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241 /* Rebind the mouse to the fullscreen window */
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242 for ( numtries = 0; numtries < 10; ++numtries ) {
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243 result = XGrabPointer(SDL_Display, FSwindow,
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244 True, 0,
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245 GrabModeAsync, GrabModeAsync,
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246 FSwindow, None, CurrentTime);
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247 if ( result == AlreadyGrabbed ) {
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248 break;
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249 }
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250 SDL_Delay(100);
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251 }
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252 }
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253 #ifdef GRAB_FULLSCREEN
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254 if ( !(this->screen->flags & SDL_FULLSCREEN) )
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255 #endif
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256 XUngrabKeyboard(SDL_Display, CurrentTime);
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257 } else {
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258 if ( this->screen->flags & SDL_FULLSCREEN ) {
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259 /* Unbind the mouse from the fullscreen window */
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260 XUngrabPointer(SDL_Display, CurrentTime);
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261 }
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262 /* Try to grab the mouse */
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263 for ( numtries = 0; numtries < 10; ++numtries ) {
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264 result = XGrabPointer(SDL_Display, SDL_Window, True, 0,
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265 GrabModeAsync, GrabModeAsync,
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266 SDL_Window, None, CurrentTime);
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267 if ( result != AlreadyGrabbed ) {
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268 break;
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269 }
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270 SDL_Delay(100);
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271 }
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272 #ifdef GRAB_FULLSCREEN
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273 if ( !(this->screen->flags & SDL_FULLSCREEN) )
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274 #endif
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275 XGrabKeyboard(SDL_Display, WMwindow, True,
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276 GrabModeAsync, GrabModeAsync, CurrentTime);
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277 }
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278 XSync(SDL_Display, False);
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279
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280 return(mode);
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281 }
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282
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283 SDL_GrabMode X11_GrabInput(_THIS, SDL_GrabMode mode)
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284 {
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285 SDL_Lock_EventThread();
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286 mode = X11_GrabInputNoLock(this, mode);
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287 SDL_Unlock_EventThread();
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288
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289 return(mode);
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290 }
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291
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292 /* If 'info' is the right version, this function fills it and returns 1.
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293 Otherwise, in case of a version mismatch, it returns -1.
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294 */
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295 static void lock_display(void)
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296 {
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297 SDL_Lock_EventThread();
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298 }
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299 static void unlock_display(void)
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300 {
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301 /* Make sure any X11 transactions are completed */
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302 SDL_VideoDevice *this = current_video;
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303 XSync(SDL_Display, False);
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304 SDL_Unlock_EventThread();
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305 }
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306
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307 #endif
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308
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309 int CGX_GetWMInfo(_THIS, SDL_SysWMinfo *info)
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310 {
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311 if ( info->version.major <= SDL_MAJOR_VERSION ) {
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312 #if 0
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313 info->subsystem = SDL_SYSWM_X11;
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314 info->info.x11.display = SDL_Display;
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315 info->info.x11.window = SDL_Window;
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316 if ( SDL_VERSIONNUM(info->version.major,
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317 info->version.minor,
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318 info->version.patch) >= 1002 ) {
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319 info->info.x11.fswindow = FSwindow;
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320 info->info.x11.wmwindow = WMwindow;
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321 }
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322 info->info.x11.lock_func = lock_display;
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323 info->info.x11.unlock_func = unlock_display;
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324 #endif
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325 return(1);
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326 } else {
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327 SDL_SetError("Application not compiled with SDL %d.%d\n",
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328 SDL_MAJOR_VERSION, SDL_MINOR_VERSION);
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329 return(-1);
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330 }
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331 }
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