annotate test/testwm.c @ 217:add626b825bb

Use the sticky focus flag so audio isn't muted when application is switched.
author Sam Lantinga <slouken@libsdl.org>
date Thu, 25 Oct 2001 08:45:17 +0000
parents 3ef4bc90c388
children 9c9598e4b904
rev   line source
0
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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;
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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 if ( icon->format->palette == NULL ) {
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36 fprintf(stderr, "Icon must have a palette!\n");
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37 SDL_FreeSurface(icon);
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38 return(NULL);
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39 }
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40
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41 /* Set the colorkey */
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42 SDL_SetColorKey(icon, SDL_SRCCOLORKEY, *((Uint8 *)icon->pixels));
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43
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44 /* Create the mask */
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45 pixels = (Uint8 *)icon->pixels;
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46 printf("Transparent pixel: (%d,%d,%d)\n",
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47 icon->format->palette->colors[*pixels].r,
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48 icon->format->palette->colors[*pixels].g,
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49 icon->format->palette->colors[*pixels].b);
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50 mlen = icon->w*icon->h;
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51 mask = (Uint8 *)malloc(mlen/8);
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52 if ( mask == NULL ) {
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53 fprintf(stderr, "Out of memory!\n");
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54 SDL_FreeSurface(icon);
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55 return(NULL);
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56 }
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57 memset(mask, 0, mlen/8);
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58 for ( i=0; i<mlen; ) {
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59 if ( pixels[i] != *pixels )
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60 mask[i/8] |= 0x01;
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61 ++i;
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62 if ( (i%8) != 0 )
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63 mask[i/8] <<= 1;
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64 }
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65 *maskp = mask;
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66 return(icon);
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67 }
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68
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69 void HotKey_ToggleFullScreen(void)
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70 {
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71 SDL_Surface *screen;
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72
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73 screen = SDL_GetVideoSurface();
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74 if ( SDL_WM_ToggleFullScreen(screen) ) {
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75 printf("Toggled fullscreen mode - now %s\n",
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76 (screen->flags&SDL_FULLSCREEN) ? "fullscreen" : "windowed");
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77 } else {
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78 printf("Unable to toggle fullscreen mode\n");
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79 }
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80 }
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81
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82 void HotKey_ToggleGrab(void)
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83 {
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84 SDL_GrabMode mode;
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85
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86 printf("Ctrl-G: toggling input grab!\n");
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87 mode = SDL_WM_GrabInput(SDL_GRAB_QUERY);
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88 if ( mode == SDL_GRAB_ON ) {
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89 printf("Grab was on\n");
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90 } else {
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91 printf("Grab was off\n");
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92 }
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93 mode = SDL_WM_GrabInput(!mode);
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94 if ( mode == SDL_GRAB_ON ) {
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95 printf("Grab is now on\n");
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96 } else {
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97 printf("Grab is now off\n");
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98 }
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99 }
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100
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101 void HotKey_Iconify(void)
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102 {
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103 printf("Ctrl-Z: iconifying window!\n");
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104 SDL_WM_IconifyWindow();
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105 }
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106
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107 void HotKey_Quit(void)
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108 {
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109 SDL_Event event;
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110
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111 printf("Posting internal quit request\n");
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112 event.type = SDL_USEREVENT;
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113 SDL_PushEvent(&event);
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114 }
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115
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116 int FilterEvents(const SDL_Event *event)
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117 {
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118 static int reallyquit = 0;
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119
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120 switch (event->type) {
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121
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122 case SDL_ACTIVEEVENT:
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123 /* See what happened */
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124 printf("App %s ",
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125 event->active.gain ? "gained" : "lost");
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126 if ( event->active.state & SDL_APPACTIVE )
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127 printf("active ");
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128 if ( event->active.state & SDL_APPMOUSEFOCUS )
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129 printf("mouse ");
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130 if ( event->active.state & SDL_APPINPUTFOCUS )
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131 printf("input ");
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132 printf("focus\n");
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133
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134 /* See if we are iconified or restored */
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135 if ( event->active.state & SDL_APPACTIVE ) {
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136 printf("App has been %s\n",
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137 event->active.gain ?
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138 "restored" : "iconified");
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139 }
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140 return(0);
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141
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142 /* We want to toggle visibility on buttonpress */
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143 case SDL_MOUSEBUTTONDOWN:
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144 case SDL_MOUSEBUTTONUP:
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145 if ( event->button.state == SDL_PRESSED ) {
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146 visible = !visible;
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147 SDL_ShowCursor(visible);
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148 }
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149 printf("Mouse button %d has been %s\n",
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150 event->button.button,
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151 (event->button.state == SDL_PRESSED) ?
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152 "pressed" : "released");
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153 return(0);
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154
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155 /* Show relative mouse motion */
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156 case SDL_MOUSEMOTION:
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157 #if 0
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158 printf("Mouse relative motion: {%d,%d}\n",
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159 event->motion.xrel, event->motion.yrel);
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160 #endif
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161 return(0);
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162
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163 case SDL_KEYDOWN:
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164 if ( event->key.keysym.sym == SDLK_ESCAPE ) {
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165 HotKey_Quit();
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166 }
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167 if ( (event->key.keysym.sym == SDLK_g) &&
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168 (event->key.keysym.mod & KMOD_CTRL) ) {
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169 HotKey_ToggleGrab();
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170 }
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171 if ( (event->key.keysym.sym == SDLK_z) &&
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172 (event->key.keysym.mod & KMOD_CTRL) ) {
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173 HotKey_Iconify();
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parents:
diff changeset
174 }
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parents:
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175 if ( (event->key.keysym.sym == SDLK_RETURN) &&
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parents:
diff changeset
176 (event->key.keysym.mod & KMOD_ALT) ) {
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parents:
diff changeset
177 HotKey_ToggleFullScreen();
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parents:
diff changeset
178 }
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parents:
diff changeset
179 return(0);
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parents:
diff changeset
180
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parents:
diff changeset
181 /* Pass the video resize event through .. */
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parents:
diff changeset
182 case SDL_VIDEORESIZE:
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183 return(1);
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parents:
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184
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parents:
diff changeset
185 /* This is important! Queue it if we want to quit. */
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parents:
diff changeset
186 case SDL_QUIT:
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parents:
diff changeset
187 if ( ! reallyquit ) {
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parents:
diff changeset
188 reallyquit = 1;
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parents:
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189 printf("Quit requested\n");
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parents:
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190 return(0);
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parents:
diff changeset
191 }
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parents:
diff changeset
192 printf("Quit demanded\n");
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parents:
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193 return(1);
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parents:
diff changeset
194
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195 /* This will never happen because events queued directly
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parents:
diff changeset
196 to the event queue are not filtered.
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parents:
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197 */
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parents:
diff changeset
198 case SDL_USEREVENT:
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199 return(1);
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parents:
diff changeset
200
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parents:
diff changeset
201 /* Drop all other events */
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parents:
diff changeset
202 default:
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parents:
diff changeset
203 return(0);
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parents:
diff changeset
204 }
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parents:
diff changeset
205 }
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parents:
diff changeset
206
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207 static Uint8 video_bpp;
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208 static Uint32 video_flags;
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parents:
diff changeset
209
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diff changeset
210 int SetVideoMode(int w, int h)
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parents:
diff changeset
211 {
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212 SDL_Surface *screen;
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213 int i;
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parents:
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214 Uint8 *buffer;
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215 SDL_Color palette[256];
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parents:
diff changeset
216
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217 screen = SDL_SetVideoMode(w, h, video_bpp, video_flags);
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parents:
diff changeset
218 if ( screen == NULL ) {
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parents:
diff changeset
219 fprintf(stderr, "Couldn't set %dx%dx%d video mode: %s\n",
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diff changeset
220 w, h, video_bpp, SDL_GetError());
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parents:
diff changeset
221 return(-1);
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parents:
diff changeset
222 }
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parents:
diff changeset
223 printf("Running in %s mode\n", screen->flags & SDL_FULLSCREEN ?
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parents:
diff changeset
224 "fullscreen" : "windowed");
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parents:
diff changeset
225
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parents:
diff changeset
226 /* Set the surface pixels and refresh! */
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parents:
diff changeset
227 for ( i=0; i<256; ++i ) {
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parents:
diff changeset
228 palette[i].r = 255-i;
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parents:
diff changeset
229 palette[i].g = 255-i;
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parents:
diff changeset
230 palette[i].b = 255-i;
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parents:
diff changeset
231 }
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diff changeset
232 SDL_SetColors(screen, palette, 0, 256);
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parents:
diff changeset
233 if ( SDL_LockSurface(screen) < 0 ) {
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parents:
diff changeset
234 fprintf(stderr, "Couldn't lock display surface: %s\n",
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parents:
diff changeset
235 SDL_GetError());
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parents:
diff changeset
236 return(-1);
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
237 }
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parents:
diff changeset
238 buffer = (Uint8 *)screen->pixels;
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parents:
diff changeset
239 for ( i=0; i<screen->h; ++i ) {
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parents:
diff changeset
240 memset(buffer,(i*255)/screen->h,
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
241 screen->w*screen->format->BytesPerPixel);
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
242 buffer += screen->pitch;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
243 }
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
244 SDL_UnlockSurface(screen);
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parents:
diff changeset
245 SDL_UpdateRect(screen, 0, 0, 0, 0);
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
246
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parents:
diff changeset
247 return(0);
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parents:
diff changeset
248 }
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parents:
diff changeset
249
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parents:
diff changeset
250 int main(int argc, char *argv[])
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parents:
diff changeset
251 {
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parents:
diff changeset
252 SDL_Event event;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
253 char *title;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
254 SDL_Surface *icon;
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parents:
diff changeset
255 Uint8 *icon_mask;
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parents:
diff changeset
256 int parsed;
87
3ef4bc90c388 Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
257 int w, h;
0
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parents:
diff changeset
258
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parents:
diff changeset
259 if ( SDL_Init(SDL_INIT_VIDEO) < 0 ) {
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parents:
diff changeset
260 fprintf(stderr,
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
261 "Couldn't initialize SDL: %s\n", SDL_GetError());
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
262 exit(1);
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
263 }
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
264 atexit(SDL_Quit);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
265
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
266 /* Check command line arguments */
87
3ef4bc90c388 Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
267 w = 640;
3ef4bc90c388 Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
268 h = 480;
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
269 video_bpp = 8;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
270 video_flags = SDL_SWSURFACE;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
271 parsed = 1;
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
272 while ( parsed ) {
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Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
273 if ( (argc >= 2) && (strcmp(argv[1], "-fullscreen") == 0) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
274 video_flags |= SDL_FULLSCREEN;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
275 argc -= 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
276 argv += 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
277 } else
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
278 if ( (argc >= 2) && (strcmp(argv[1], "-resize") == 0) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
279 video_flags |= SDL_RESIZABLE;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
280 argc -= 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
281 argv += 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
282 } else
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
283 if ( (argc >= 2) && (strcmp(argv[1], "-noframe") == 0) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
284 video_flags |= SDL_NOFRAME;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
285 argc -= 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
286 argv += 1;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
287 } else
87
3ef4bc90c388 Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
288 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
289 w = atoi(argv[2]);
3ef4bc90c388 Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
290 argc -= 2;
3ef4bc90c388 Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
291 argv += 2;
3ef4bc90c388 Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
292 } else
3ef4bc90c388 Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
293 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
294 h = atoi(argv[2]);
3ef4bc90c388 Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
295 argc -= 2;
3ef4bc90c388 Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
296 argv += 2;
3ef4bc90c388 Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
297 } else
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
298 if ( (argc >= 3) && (strcmp(argv[1], "-bpp") == 0) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
299 video_bpp = atoi(argv[2]);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
300 argc -= 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
301 argv += 2;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
302 } else {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
303 parsed = 0;
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
304 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
305 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
306
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
307 /* Set the icon -- this must be done before the first mode set */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
308 icon = LoadIconSurface("icon.bmp", &icon_mask);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
309 if ( icon != NULL ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
310 SDL_WM_SetIcon(icon, icon_mask);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
311 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
312 if ( icon_mask != NULL )
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
313 free(icon_mask);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
314
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
315 /* Set the title bar */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
316 if ( argv[1] == NULL )
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
317 title = "Testing 1.. 2.. 3...";
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
318 else
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
319 title = argv[1];
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
320 SDL_WM_SetCaption(title, "testwm");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
321
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
322 /* See if it's really set */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
323 SDL_WM_GetCaption(&title, NULL);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
324 if ( title )
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
325 printf("Title was set to: %s\n", title);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
326 else
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
327 printf("No window title was set!\n");
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
328
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
329 /* Initialize the display */
87
3ef4bc90c388 Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents: 0
diff changeset
330 if ( SetVideoMode(w, h) < 0 ) {
0
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
331 return(1);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
332 }
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
333
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
334 /* Set an event filter that discards everything but QUIT */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
335 SDL_SetEventFilter(FilterEvents);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
336
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
337 /* Ignore key up events, they don't even get filtered */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
338 SDL_EventState(SDL_KEYUP, SDL_IGNORE);
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
339
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
340 /* Loop, waiting for QUIT */
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
341 while ( SDL_WaitEvent(&event) ) {
74212992fb08 Initial revision
Sam Lantinga <slouken@lokigames.com>
parents:
diff changeset
342 switch (event.type) {
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343 case SDL_VIDEORESIZE:
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344 printf("Got a resize event: %dx%d\n",
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345 event.resize.w, event.resize.h);
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346 SetVideoMode(event.resize.w, event.resize.h);
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347 break;
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348 case SDL_USEREVENT:
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349 printf("Handling internal quit request\n");
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350 /* Fall through to the quit handler */
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351 case SDL_QUIT:
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352 printf("Bye bye..\n");
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353 return(0);
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354 default:
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355 /* This should never happen */
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356 printf("Warning: Event %d wasn't filtered\n",
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357 event.type);
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358 break;
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359 }
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360 }
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361 printf("SDL_WaitEvent() error: %s\n", SDL_GetError());
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362 return(255);
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363 }