Mercurial > sdl-ios-xcode
annotate test/threadwin.c @ 3341:710139a1692d
Fixed bug #826
Ken Bull 2009-10-04 09:51:30 PDT
2009/10/4 E. Wing <ewmailing@gmail.com>:
> Hi Kenneth,
> I noticed that SDL_SetColorKey and SDL_GetColorKey start with
> /*
> instead of
> /**
> in SDL_Surface.h in SDL 1.3.
>
> I haven't scrutinized the headers and I don't know if you had an
> automated process to add these, but I thought I would let you know in
> case there might be others that have the same problem.
>
> Thanks,
> Eric
>
The attached patch corrects this and other documentation errors in
SDL_surface.h
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Sun, 04 Oct 2009 19:14:30 +0000 |
parents | 40888832d785 |
children | faa9fc8e7f67 |
rev | line source |
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0 | 1 |
2 /* Test out the multi-threaded event handling functions */ | |
3 | |
4 #include <stdlib.h> | |
5 #include <stdio.h> | |
6 #include <string.h> | |
7 | |
8 #include "SDL.h" | |
9 #include "SDL_thread.h" | |
10 | |
11 /* Are we done yet? */ | |
12 static int done = 0; | |
13 | |
14 /* Is the cursor visible? */ | |
15 static int visible = 1; | |
16 | |
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17 /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */ |
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18 static void |
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19 quit(int rc) |
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20 { |
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21 SDL_Quit(); |
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22 exit(rc); |
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23 } |
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24 |
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25 SDL_Surface * |
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26 LoadIconSurface(char *file, Uint8 ** maskp) |
0 | 27 { |
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28 SDL_Surface *icon; |
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29 Uint8 *pixels; |
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30 Uint8 *mask; |
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31 int mlen, i; |
0 | 32 |
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33 *maskp = NULL; |
0 | 34 |
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35 /* Load the icon surface */ |
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36 icon = SDL_LoadBMP(file); |
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37 if (icon == NULL) { |
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38 fprintf(stderr, "Couldn't load %s: %s\n", file, SDL_GetError()); |
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39 return (NULL); |
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40 } |
0 | 41 |
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42 /* Check width and height */ |
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43 if ((icon->w % 8) != 0) { |
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44 fprintf(stderr, "Icon width must be a multiple of 8!\n"); |
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45 SDL_FreeSurface(icon); |
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46 return (NULL); |
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47 } |
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48 if (icon->format->palette == NULL) { |
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49 fprintf(stderr, "Icon must have a palette!\n"); |
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50 SDL_FreeSurface(icon); |
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51 return (NULL); |
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52 } |
0 | 53 |
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54 /* Set the colorkey */ |
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55 SDL_SetColorKey(icon, SDL_SRCCOLORKEY, *((Uint8 *) icon->pixels)); |
0 | 56 |
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57 /* Create the mask */ |
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58 pixels = (Uint8 *) icon->pixels; |
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59 printf("Transparent pixel: (%d,%d,%d)\n", |
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60 icon->format->palette->colors[*pixels].r, |
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61 icon->format->palette->colors[*pixels].g, |
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62 icon->format->palette->colors[*pixels].b); |
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63 mlen = icon->w * icon->h; |
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64 mask = (Uint8 *) malloc(mlen / 8); |
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65 if (mask == NULL) { |
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66 fprintf(stderr, "Out of memory!\n"); |
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67 SDL_FreeSurface(icon); |
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68 return (NULL); |
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69 } |
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70 memset(mask, 0, mlen / 8); |
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71 for (i = 0; i < mlen;) { |
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72 if (pixels[i] != *pixels) |
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73 mask[i / 8] |= 0x01; |
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74 ++i; |
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75 if ((i % 8) != 0) |
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76 mask[i / 8] <<= 1; |
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77 } |
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78 *maskp = mask; |
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79 return (icon); |
0 | 80 } |
81 | |
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82 int SDLCALL |
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83 FilterEvents(void *userdata, SDL_Event * event) |
0 | 84 { |
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85 static int reallyquit = 0; |
0 | 86 |
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87 switch (event->type) { |
0 | 88 |
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89 case SDL_ACTIVEEVENT: |
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90 /* See what happened */ |
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91 printf("App %s ", event->active.gain ? "gained" : "lost"); |
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92 if (event->active.state & SDL_APPACTIVE) |
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93 printf("active "); |
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94 if (event->active.state & SDL_APPMOUSEFOCUS) |
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95 printf("mouse "); |
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96 if (event->active.state & SDL_APPINPUTFOCUS) |
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97 printf("input "); |
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98 printf("focus\n"); |
0 | 99 |
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100 /* See if we are iconified or restored */ |
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101 if (event->active.state & SDL_APPACTIVE) { |
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102 printf("App has been %s\n", |
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103 event->active.gain ? "restored" : "iconified"); |
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104 } |
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105 return (0); |
0 | 106 |
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107 /* This is important! Queue it if we want to quit. */ |
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108 case SDL_QUIT: |
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109 if (!reallyquit) { |
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110 reallyquit = 1; |
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111 printf("Quit requested\n"); |
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112 return (0); |
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113 } |
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114 printf("Quit demanded\n"); |
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115 return (1); |
0 | 116 |
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117 /* Mouse and keyboard events go to threads */ |
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118 case SDL_MOUSEMOTION: |
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119 case SDL_MOUSEBUTTONDOWN: |
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120 case SDL_MOUSEBUTTONUP: |
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121 case SDL_KEYDOWN: |
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122 case SDL_KEYUP: |
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123 return (1); |
0 | 124 |
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125 /* Drop all other events */ |
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126 default: |
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127 return (0); |
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128 } |
0 | 129 } |
130 | |
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131 int SDLCALL |
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132 HandleMouse(void *unused) |
0 | 133 { |
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134 SDL_Event events[10]; |
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135 int i, found; |
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136 Uint32 mask; |
0 | 137 |
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138 /* Handle mouse events here */ |
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139 mask = |
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140 (SDL_MOUSEMOTIONMASK | SDL_MOUSEBUTTONDOWNMASK | |
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141 SDL_MOUSEBUTTONUPMASK); |
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142 while (!done) { |
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143 found = SDL_PeepEvents(events, 10, SDL_GETEVENT, mask); |
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144 for (i = 0; i < found; ++i) { |
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145 switch (events[i].type) { |
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146 /* We want to toggle visibility on buttonpress */ |
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147 case SDL_MOUSEBUTTONDOWN: |
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148 case SDL_MOUSEBUTTONUP: |
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149 if (events[i].button.state == SDL_PRESSED) { |
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150 visible = !visible; |
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151 SDL_ShowCursor(visible); |
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152 } |
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153 printf("Mouse button %d has been %s\n", |
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154 events[i].button.button, |
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155 (events[i].button.state == SDL_PRESSED) ? |
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156 "pressed" : "released"); |
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157 break; |
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158 /* Show relative mouse motion */ |
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159 case SDL_MOUSEMOTION: |
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160 printf("Mouse relative motion: {%d,%d}\n", |
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161 events[i].motion.xrel, events[i].motion.yrel); |
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162 break; |
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163 } |
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164 } |
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165 /* Give up some CPU to allow events to arrive */ |
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166 SDL_Delay(20); |
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167 } |
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168 return (0); |
0 | 169 } |
170 | |
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171 int SDLCALL |
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172 HandleKeyboard(void *unused) |
0 | 173 { |
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174 SDL_Event events[10]; |
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175 int i, found; |
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176 Uint32 mask; |
0 | 177 |
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178 /* Handle mouse events here */ |
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179 mask = (SDL_KEYDOWNMASK | SDL_KEYUPMASK); |
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180 while (!done) { |
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181 found = SDL_PeepEvents(events, 10, SDL_GETEVENT, mask); |
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182 for (i = 0; i < found; ++i) { |
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183 switch (events[i].type) { |
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184 /* We want to toggle visibility on buttonpress */ |
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185 case SDL_KEYDOWN: |
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186 case SDL_KEYUP: |
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187 printf("Key '%c' (keysym==%d) has been %s\n", |
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188 events[i].key.keysym.unicode, |
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189 (int) events[i].key.keysym.sym, |
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190 (events[i].key.state == SDL_PRESSED) ? |
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191 "pressed" : "released"); |
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192 |
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193 /* Allow hitting <ESC> to quit the app */ |
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194 if (events[i].key.keysym.sym == SDLK_ESCAPE) { |
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195 done = 1; |
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196 } |
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197 |
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198 /* skip events now that aren't KEYUPs... */ |
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199 if (events[i].key.state == SDL_PRESSED) |
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200 break; |
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201 |
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202 if (events[i].key.keysym.sym == SDLK_f) { |
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203 int rc = 0; |
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204 printf("attempting to toggle fullscreen...\n"); |
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205 rc = SDL_WM_ToggleFullScreen(SDL_GetVideoSurface()); |
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206 printf("SDL_WM_ToggleFullScreen returned %d.\n", rc); |
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207 } |
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208 |
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209 if (events[i].key.keysym.sym == SDLK_g) { |
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210 SDL_GrabMode m; |
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211 m = SDL_WM_GrabInput(SDL_GRAB_QUERY) == |
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212 SDL_GRAB_ON ? SDL_GRAB_OFF : SDL_GRAB_ON; |
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213 printf |
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214 ("attempting to toggle input grab to %s...\n", |
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215 m == SDL_GRAB_ON ? "ON" : "OFF"); |
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216 SDL_WM_GrabInput(m); |
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217 printf("attempt finished.\n"); |
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218 } |
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219 |
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220 break; |
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221 } |
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222 } |
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223 /* Give up some CPU to allow events to arrive */ |
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224 SDL_Delay(20); |
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225 } |
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226 return (0); |
0 | 227 } |
228 | |
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229 int |
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230 main(int argc, char *argv[]) |
0 | 231 { |
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232 SDL_Surface *screen; |
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233 SDL_Surface *icon; |
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234 Uint8 *icon_mask; |
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235 int i, parsed; |
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236 Uint8 *buffer; |
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237 SDL_Color palette[256]; |
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238 Uint32 init_flags; |
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239 Uint8 video_bpp; |
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240 Uint32 video_flags; |
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241 SDL_Thread *mouse_thread; |
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242 SDL_Thread *keybd_thread; |
0 | 243 |
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244 /* Set the options, based on command line arguments */ |
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245 init_flags = SDL_INIT_VIDEO; |
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246 video_bpp = 8; |
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247 video_flags = SDL_SWSURFACE; |
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248 parsed = 1; |
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249 while (parsed) { |
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250 /* If the threaded option is enabled, and the SDL library hasn't |
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251 been compiled with threaded events enabled, then the mouse and |
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252 keyboard won't respond. |
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253 */ |
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254 if ((argc >= 2) && (strcmp(argv[1], "-threaded") == 0)) { |
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255 init_flags |= SDL_INIT_EVENTTHREAD; |
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256 argc -= 1; |
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257 argv += 1; |
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258 printf("Running with threaded events\n"); |
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259 } else if ((argc >= 2) && (strcmp(argv[1], "-fullscreen") == 0)) { |
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260 video_flags |= SDL_FULLSCREEN; |
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261 argc -= 1; |
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262 argv += 1; |
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263 } else if ((argc >= 3) && (strcmp(argv[1], "-bpp") == 0)) { |
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264 video_bpp = atoi(argv[2]); |
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265 argc -= 2; |
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266 argv += 2; |
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267 } else { |
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268 parsed = 0; |
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269 } |
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270 } |
0 | 271 |
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272 /* Initialize SDL with the requested flags */ |
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273 if (SDL_Init(init_flags) < 0) { |
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274 fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError()); |
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275 return (1); |
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276 } |
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277 |
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278 /* Set the icon -- this must be done before the first mode set */ |
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279 icon = LoadIconSurface("icon.bmp", &icon_mask); |
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280 if (icon != NULL) { |
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281 SDL_WM_SetIcon(icon, icon_mask); |
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282 } |
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283 if (icon_mask != NULL) |
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284 free(icon_mask); |
0 | 285 |
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286 /* Initialize the display */ |
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287 screen = SDL_SetVideoMode(640, 480, video_bpp, video_flags); |
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288 if (screen == NULL) { |
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289 fprintf(stderr, "Couldn't set 640x480x%d video mode: %s\n", |
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290 video_bpp, SDL_GetError()); |
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291 quit(1); |
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292 } |
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293 printf("Running in %s mode\n", screen->flags & SDL_FULLSCREEN ? |
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294 "fullscreen" : "windowed"); |
0 | 295 |
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296 /* Enable printable characters */ |
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297 SDL_EnableUNICODE(1); |
0 | 298 |
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299 /* Set an event filter that discards everything but QUIT */ |
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300 SDL_SetEventFilter(FilterEvents, NULL); |
0 | 301 |
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302 /* Create the event handling threads */ |
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303 mouse_thread = SDL_CreateThread(HandleMouse, NULL); |
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304 keybd_thread = SDL_CreateThread(HandleKeyboard, NULL); |
0 | 305 |
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306 /* Set the surface pixels and refresh! */ |
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307 for (i = 0; i < 256; ++i) { |
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308 palette[i].r = 255 - i; |
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309 palette[i].g = 255 - i; |
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310 palette[i].b = 255 - i; |
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311 } |
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312 SDL_SetColors(screen, palette, 0, 256); |
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313 if (SDL_LockSurface(screen) < 0) { |
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314 fprintf(stderr, "Couldn't lock display surface: %s\n", |
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315 SDL_GetError()); |
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316 quit(2); |
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317 } |
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318 buffer = (Uint8 *) screen->pixels; |
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319 for (i = 0; i < screen->h; ++i) { |
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320 memset(buffer, (i * 255) / screen->h, |
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321 screen->w * screen->format->BytesPerPixel); |
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322 buffer += screen->pitch; |
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323 } |
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324 SDL_UnlockSurface(screen); |
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325 SDL_UpdateRect(screen, 0, 0, 0, 0); |
0 | 326 |
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327 /* Loop, waiting for QUIT */ |
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328 while (!done) { |
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329 if (!(init_flags & SDL_INIT_EVENTTHREAD)) { |
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330 SDL_PumpEvents(); /* Needed when event thread is off */ |
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331 } |
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332 if (SDL_PeepEvents(NULL, 0, SDL_PEEKEVENT, SDL_QUITMASK)) { |
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333 done = 1; |
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334 } |
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335 /* Give up some CPU so the events can accumulate */ |
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336 SDL_Delay(20); |
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337 } |
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338 SDL_WaitThread(mouse_thread, NULL); |
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339 SDL_WaitThread(keybd_thread, NULL); |
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340 SDL_Quit(); |
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341 return (0); |
0 | 342 } |