annotate test/testwm.c @ 591:9c9598e4b904

Allow icons of any size
author Sam Lantinga <slouken@libsdl.org>
date Sat, 01 Feb 2003 20:32:44 +0000
parents 3ef4bc90c388
children a30b17e09cc0
rev   line source
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1
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2 /* Test out the window manager interaction functions */
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3
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4 #include <stdio.h>
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5 #include <stdlib.h>
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6 #include <string.h>
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7
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8 #include "SDL.h"
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9
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10 /* Is the cursor visible? */
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11 static int visible = 1;
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12
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13 SDL_Surface *LoadIconSurface(char *file, Uint8 **maskp)
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14 {
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15 SDL_Surface *icon;
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16 Uint8 *pixels;
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17 Uint8 *mask;
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18 int mlen, i, j;
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19
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20 *maskp = NULL;
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21
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22 /* Load the icon surface */
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23 icon = SDL_LoadBMP(file);
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24 if ( icon == NULL ) {
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25 fprintf(stderr, "Couldn't load %s: %s\n", file, SDL_GetError());
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26 return(NULL);
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27 }
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28
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29 /* Check width and height
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30 if ( (icon->w%8) != 0 ) {
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31 fprintf(stderr, "Icon width must be a multiple of 8!\n");
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32 SDL_FreeSurface(icon);
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33 return(NULL);
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34 }
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35 */
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36
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37
0
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38 if ( icon->format->palette == NULL ) {
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39 fprintf(stderr, "Icon must have a palette!\n");
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40 SDL_FreeSurface(icon);
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41 return(NULL);
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42 }
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43
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44 /* Set the colorkey */
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45 SDL_SetColorKey(icon, SDL_SRCCOLORKEY, *((Uint8 *)icon->pixels));
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46
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47 /* Create the mask */
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48 pixels = (Uint8 *)icon->pixels;
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49 printf("Transparent pixel: (%d,%d,%d)\n",
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50 icon->format->palette->colors[*pixels].r,
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51 icon->format->palette->colors[*pixels].g,
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52 icon->format->palette->colors[*pixels].b);
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53 mlen = (icon->w*icon->h + 7) / 8;
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54 mask = (Uint8 *)malloc(mlen);
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55 if ( mask == NULL ) {
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56 fprintf(stderr, "Out of memory!\n");
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57 SDL_FreeSurface(icon);
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58 return(NULL);
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59 }
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60 memset(mask, 0, mlen);
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61 for ( i=0; i < icon->h; i++)
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62 for (j=0; j < icon->w; j++) {
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63 int pindex = i * icon->pitch + j;
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64 int mindex = i * icon->w + j;
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65 if ( pixels[pindex] != *pixels )
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66 mask[mindex>>3] |= 1 << (7 - (mindex & 7));
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67 }
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68 *maskp = mask;
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69 return(icon);
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70 }
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71
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72 void HotKey_ToggleFullScreen(void)
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73 {
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74 SDL_Surface *screen;
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75
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76 screen = SDL_GetVideoSurface();
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77 if ( SDL_WM_ToggleFullScreen(screen) ) {
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78 printf("Toggled fullscreen mode - now %s\n",
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79 (screen->flags&SDL_FULLSCREEN) ? "fullscreen" : "windowed");
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80 } else {
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81 printf("Unable to toggle fullscreen mode\n");
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82 }
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83 }
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84
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85 void HotKey_ToggleGrab(void)
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86 {
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87 SDL_GrabMode mode;
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88
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89 printf("Ctrl-G: toggling input grab!\n");
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90 mode = SDL_WM_GrabInput(SDL_GRAB_QUERY);
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91 if ( mode == SDL_GRAB_ON ) {
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92 printf("Grab was on\n");
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93 } else {
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94 printf("Grab was off\n");
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95 }
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96 mode = SDL_WM_GrabInput(!mode);
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97 if ( mode == SDL_GRAB_ON ) {
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98 printf("Grab is now on\n");
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99 } else {
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100 printf("Grab is now off\n");
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101 }
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102 }
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103
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104 void HotKey_Iconify(void)
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105 {
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106 printf("Ctrl-Z: iconifying window!\n");
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107 SDL_WM_IconifyWindow();
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108 }
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109
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110 void HotKey_Quit(void)
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111 {
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112 SDL_Event event;
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113
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114 printf("Posting internal quit request\n");
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115 event.type = SDL_USEREVENT;
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116 SDL_PushEvent(&event);
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117 }
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118
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119 int FilterEvents(const SDL_Event *event)
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120 {
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121 static int reallyquit = 0;
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122
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123 switch (event->type) {
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124
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125 case SDL_ACTIVEEVENT:
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126 /* See what happened */
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127 printf("App %s ",
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128 event->active.gain ? "gained" : "lost");
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129 if ( event->active.state & SDL_APPACTIVE )
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130 printf("active ");
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131 if ( event->active.state & SDL_APPMOUSEFOCUS )
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132 printf("mouse ");
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133 if ( event->active.state & SDL_APPINPUTFOCUS )
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134 printf("input ");
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135 printf("focus\n");
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136
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137 /* See if we are iconified or restored */
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138 if ( event->active.state & SDL_APPACTIVE ) {
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139 printf("App has been %s\n",
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140 event->active.gain ?
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141 "restored" : "iconified");
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142 }
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143 return(0);
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144
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145 /* We want to toggle visibility on buttonpress */
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146 case SDL_MOUSEBUTTONDOWN:
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147 case SDL_MOUSEBUTTONUP:
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148 if ( event->button.state == SDL_PRESSED ) {
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149 visible = !visible;
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150 SDL_ShowCursor(visible);
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151 }
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152 printf("Mouse button %d has been %s\n",
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153 event->button.button,
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154 (event->button.state == SDL_PRESSED) ?
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155 "pressed" : "released");
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156 return(0);
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157
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158 /* Show relative mouse motion */
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159 case SDL_MOUSEMOTION:
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160 #if 0
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161 printf("Mouse relative motion: {%d,%d}\n",
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162 event->motion.xrel, event->motion.yrel);
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163 #endif
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164 return(0);
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165
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166 case SDL_KEYDOWN:
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167 if ( event->key.keysym.sym == SDLK_ESCAPE ) {
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168 HotKey_Quit();
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169 }
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170 if ( (event->key.keysym.sym == SDLK_g) &&
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diff changeset
171 (event->key.keysym.mod & KMOD_CTRL) ) {
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172 HotKey_ToggleGrab();
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173 }
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174 if ( (event->key.keysym.sym == SDLK_z) &&
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parents:
diff changeset
175 (event->key.keysym.mod & KMOD_CTRL) ) {
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176 HotKey_Iconify();
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177 }
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178 if ( (event->key.keysym.sym == SDLK_RETURN) &&
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diff changeset
179 (event->key.keysym.mod & KMOD_ALT) ) {
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180 HotKey_ToggleFullScreen();
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181 }
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182 return(0);
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183
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184 /* Pass the video resize event through .. */
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diff changeset
185 case SDL_VIDEORESIZE:
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186 return(1);
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187
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188 /* This is important! Queue it if we want to quit. */
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189 case SDL_QUIT:
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190 if ( ! reallyquit ) {
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191 reallyquit = 1;
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192 printf("Quit requested\n");
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193 return(0);
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194 }
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195 printf("Quit demanded\n");
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196 return(1);
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197
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198 /* This will never happen because events queued directly
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199 to the event queue are not filtered.
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200 */
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201 case SDL_USEREVENT:
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202 return(1);
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203
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204 /* Drop all other events */
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diff changeset
205 default:
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206 return(0);
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parents:
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207 }
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208 }
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209
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210 static Uint8 video_bpp;
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211 static Uint32 video_flags;
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212
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213 int SetVideoMode(int w, int h)
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214 {
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215 SDL_Surface *screen;
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216 int i;
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217 Uint8 *buffer;
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218 SDL_Color palette[256];
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219
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220 screen = SDL_SetVideoMode(w, h, video_bpp, video_flags);
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diff changeset
221 if ( screen == NULL ) {
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diff changeset
222 fprintf(stderr, "Couldn't set %dx%dx%d video mode: %s\n",
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diff changeset
223 w, h, video_bpp, SDL_GetError());
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224 return(-1);
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parents:
diff changeset
225 }
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226 printf("Running in %s mode\n", screen->flags & SDL_FULLSCREEN ?
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227 "fullscreen" : "windowed");
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diff changeset
228
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229 /* Set the surface pixels and refresh! */
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diff changeset
230 for ( i=0; i<256; ++i ) {
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diff changeset
231 palette[i].r = 255-i;
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diff changeset
232 palette[i].g = 255-i;
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diff changeset
233 palette[i].b = 255-i;
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parents:
diff changeset
234 }
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diff changeset
235 SDL_SetColors(screen, palette, 0, 256);
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diff changeset
236 if ( SDL_LockSurface(screen) < 0 ) {
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diff changeset
237 fprintf(stderr, "Couldn't lock display surface: %s\n",
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diff changeset
238 SDL_GetError());
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diff changeset
239 return(-1);
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parents:
diff changeset
240 }
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diff changeset
241 buffer = (Uint8 *)screen->pixels;
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parents:
diff changeset
242 for ( i=0; i<screen->h; ++i ) {
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parents:
diff changeset
243 memset(buffer,(i*255)/screen->h,
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diff changeset
244 screen->w*screen->format->BytesPerPixel);
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diff changeset
245 buffer += screen->pitch;
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parents:
diff changeset
246 }
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diff changeset
247 SDL_UnlockSurface(screen);
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diff changeset
248 SDL_UpdateRect(screen, 0, 0, 0, 0);
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diff changeset
249
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diff changeset
250 return(0);
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parents:
diff changeset
251 }
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diff changeset
252
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diff changeset
253 int main(int argc, char *argv[])
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diff changeset
254 {
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diff changeset
255 SDL_Event event;
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diff changeset
256 char *title;
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diff changeset
257 SDL_Surface *icon;
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diff changeset
258 Uint8 *icon_mask;
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diff changeset
259 int parsed;
87
3ef4bc90c388 Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
260 int w, h;
0
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diff changeset
261
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diff changeset
262 if ( SDL_Init(SDL_INIT_VIDEO) < 0 ) {
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parents:
diff changeset
263 fprintf(stderr,
74212992fb08 Initial revision
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parents:
diff changeset
264 "Couldn't initialize SDL: %s\n", SDL_GetError());
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parents:
diff changeset
265 exit(1);
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parents:
diff changeset
266 }
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parents:
diff changeset
267 atexit(SDL_Quit);
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diff changeset
268
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parents:
diff changeset
269 /* Check command line arguments */
87
3ef4bc90c388 Added -width and -height command line options
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parents: 0
diff changeset
270 w = 640;
3ef4bc90c388 Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
271 h = 480;
0
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parents:
diff changeset
272 video_bpp = 8;
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Sam Lantinga <slouken@lokigames.com>
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diff changeset
273 video_flags = SDL_SWSURFACE;
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parents:
diff changeset
274 parsed = 1;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
275 while ( parsed ) {
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diff changeset
276 if ( (argc >= 2) && (strcmp(argv[1], "-fullscreen") == 0) ) {
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diff changeset
277 video_flags |= SDL_FULLSCREEN;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
278 argc -= 1;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
279 argv += 1;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
280 } else
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
281 if ( (argc >= 2) && (strcmp(argv[1], "-resize") == 0) ) {
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parents:
diff changeset
282 video_flags |= SDL_RESIZABLE;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
283 argc -= 1;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
284 argv += 1;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
285 } else
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
286 if ( (argc >= 2) && (strcmp(argv[1], "-noframe") == 0) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
287 video_flags |= SDL_NOFRAME;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
288 argc -= 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
289 argv += 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
290 } else
87
3ef4bc90c388 Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
291 if ( (argc >= 3) && (strcmp(argv[1], "-width") == 0) ) {
3ef4bc90c388 Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
292 w = atoi(argv[2]);
3ef4bc90c388 Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
293 argc -= 2;
3ef4bc90c388 Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
294 argv += 2;
3ef4bc90c388 Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
295 } else
3ef4bc90c388 Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
296 if ( (argc >= 3) && (strcmp(argv[1], "-height") == 0) ) {
3ef4bc90c388 Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
297 h = atoi(argv[2]);
3ef4bc90c388 Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
298 argc -= 2;
3ef4bc90c388 Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
299 argv += 2;
3ef4bc90c388 Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
300 } else
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
301 if ( (argc >= 3) && (strcmp(argv[1], "-bpp") == 0) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
302 video_bpp = atoi(argv[2]);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
303 argc -= 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
304 argv += 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
305 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
306 parsed = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
307 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
308 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
309
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
310 /* Set the icon -- this must be done before the first mode set */
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
311 icon = LoadIconSurface("icon.bmp", &icon_mask);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
312 if ( icon != NULL ) {
74212992fb08 Initial revision
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parents:
diff changeset
313 SDL_WM_SetIcon(icon, icon_mask);
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
314 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
315 if ( icon_mask != NULL )
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
316 free(icon_mask);
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
317
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
318 /* Set the title bar */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
319 if ( argv[1] == NULL )
74212992fb08 Initial revision
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parents:
diff changeset
320 title = "Testing 1.. 2.. 3...";
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
321 else
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
322 title = argv[1];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
323 SDL_WM_SetCaption(title, "testwm");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
324
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
325 /* See if it's really set */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
326 SDL_WM_GetCaption(&title, NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
327 if ( title )
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
328 printf("Title was set to: %s\n", title);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
329 else
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
330 printf("No window title was set!\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
331
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
332 /* Initialize the display */
87
3ef4bc90c388 Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
333 if ( SetVideoMode(w, h) < 0 ) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
334 return(1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
335 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
336
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
337 /* Set an event filter that discards everything but QUIT */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
338 SDL_SetEventFilter(FilterEvents);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
339
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
340 /* Ignore key up events, they don't even get filtered */
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341 SDL_EventState(SDL_KEYUP, SDL_IGNORE);
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342
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343 /* Loop, waiting for QUIT */
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344 while ( SDL_WaitEvent(&event) ) {
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345 switch (event.type) {
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346 case SDL_VIDEORESIZE:
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347 printf("Got a resize event: %dx%d\n",
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348 event.resize.w, event.resize.h);
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349 SetVideoMode(event.resize.w, event.resize.h);
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350 break;
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351 case SDL_USEREVENT:
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352 printf("Handling internal quit request\n");
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353 /* Fall through to the quit handler */
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354 case SDL_QUIT:
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355 printf("Bye bye..\n");
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356 return(0);
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357 default:
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358 /* This should never happen */
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359 printf("Warning: Event %d wasn't filtered\n",
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360 event.type);
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361 break;
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362 }
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363 }
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364 printf("SDL_WaitEvent() error: %s\n", SDL_GetError());
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365 return(255);
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366 }