Mercurial > sdl-ios-xcode
annotate test/testwm.c @ 2896:1ef2f1e75ff7
Date: Sat, 20 Dec 2008 23:25:19 +0100
From: Couriersud
Subject: 32 & 16 bit versions of blendrect and blendline
attached are 32, 16 and 15 bit versions of the blendrect and blendline
functionality. There was an issue with the bresenham alg. in drawline
which I also fixed.
author | Sam Lantinga <slouken@libsdl.org> |
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date | Sat, 20 Dec 2008 23:19:20 +0000 |
parents | 2032348afed1 |
children | 6d91cff0ec79 |
rev | line source |
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0 | 1 |
2 /* Test out the window manager interaction functions */ | |
3 | |
4 #include <stdio.h> | |
5 #include <stdlib.h> | |
6 #include <string.h> | |
7 | |
8 #include "SDL.h" | |
9 | |
10 /* Is the cursor visible? */ | |
11 static int visible = 1; | |
12 | |
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13 static Uint8 video_bpp; |
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14 static Uint32 video_flags; |
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15 |
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16 /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */ |
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17 static void |
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18 quit(int rc) |
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19 { |
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20 SDL_Quit(); |
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21 exit(rc); |
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22 } |
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23 |
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24 int |
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25 SetVideoMode(int w, int h) |
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26 { |
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27 SDL_Surface *screen; |
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28 int i; |
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29 Uint8 *buffer; |
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30 SDL_Color palette[256]; |
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31 |
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32 screen = SDL_SetVideoMode(w, h, video_bpp, video_flags); |
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33 if (screen == NULL) { |
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34 fprintf(stderr, "Couldn't set %dx%dx%d video mode: %s\n", |
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35 w, h, video_bpp, SDL_GetError()); |
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36 return (-1); |
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37 } |
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38 printf("Running in %s mode\n", screen->flags & SDL_FULLSCREEN ? |
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39 "fullscreen" : "windowed"); |
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40 |
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41 /* Set the surface pixels and refresh! */ |
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42 for (i = 0; i < 256; ++i) { |
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43 palette[i].r = 255 - i; |
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44 palette[i].g = 255 - i; |
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45 palette[i].b = 255 - i; |
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46 } |
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47 SDL_SetColors(screen, palette, 0, 256); |
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48 if (SDL_LockSurface(screen) < 0) { |
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49 fprintf(stderr, "Couldn't lock display surface: %s\n", |
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50 SDL_GetError()); |
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51 return (-1); |
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52 } |
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53 buffer = (Uint8 *) screen->pixels; |
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54 for (i = 0; i < screen->h; ++i) { |
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55 memset(buffer, (i * 255) / screen->h, |
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56 screen->w * screen->format->BytesPerPixel); |
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57 buffer += screen->pitch; |
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58 } |
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59 SDL_UnlockSurface(screen); |
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60 SDL_UpdateRect(screen, 0, 0, 0, 0); |
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61 |
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62 return (0); |
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63 } |
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64 |
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65 SDL_Surface * |
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66 LoadIconSurface(char *file, Uint8 ** maskp) |
0 | 67 { |
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68 SDL_Surface *icon; |
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69 Uint8 *pixels; |
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70 Uint8 *mask; |
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71 int mlen, i, j; |
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72 |
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73 *maskp = NULL; |
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75 /* Load the icon surface */ |
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76 icon = SDL_LoadBMP(file); |
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77 if (icon == NULL) { |
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78 fprintf(stderr, "Couldn't load %s: %s\n", file, SDL_GetError()); |
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79 return (NULL); |
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80 } |
0 | 81 |
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82 /* Check width and height |
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83 if ( (icon->w%8) != 0 ) { |
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84 fprintf(stderr, "Icon width must be a multiple of 8!\n"); |
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85 SDL_FreeSurface(icon); |
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86 return(NULL); |
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87 } |
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88 */ |
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89 |
0 | 90 |
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91 if (icon->format->palette == NULL) { |
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92 fprintf(stderr, "Icon must have a palette!\n"); |
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93 SDL_FreeSurface(icon); |
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94 return (NULL); |
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95 } |
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96 |
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97 /* Set the colorkey */ |
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98 SDL_SetColorKey(icon, SDL_SRCCOLORKEY, *((Uint8 *) icon->pixels)); |
0 | 99 |
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100 /* Create the mask */ |
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101 pixels = (Uint8 *) icon->pixels; |
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102 printf("Transparent pixel: (%d,%d,%d)\n", |
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103 icon->format->palette->colors[*pixels].r, |
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104 icon->format->palette->colors[*pixels].g, |
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105 icon->format->palette->colors[*pixels].b); |
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106 mlen = (icon->w * icon->h + 7) / 8; |
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107 mask = (Uint8 *) malloc(mlen); |
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108 if (mask == NULL) { |
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109 fprintf(stderr, "Out of memory!\n"); |
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110 SDL_FreeSurface(icon); |
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111 return (NULL); |
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112 } |
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113 memset(mask, 0, mlen); |
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114 for (i = 0; i < icon->h; i++) |
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115 for (j = 0; j < icon->w; j++) { |
591 | 116 int pindex = i * icon->pitch + j; |
117 int mindex = i * icon->w + j; | |
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118 if (pixels[pindex] != *pixels) |
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119 mask[mindex >> 3] |= 1 << (7 - (mindex & 7)); |
591 | 120 } |
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121 *maskp = mask; |
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122 return (icon); |
0 | 123 } |
124 | |
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125 void |
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126 HotKey_ToggleFullScreen(void) |
0 | 127 { |
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128 SDL_Surface *screen; |
0 | 129 |
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130 screen = SDL_GetVideoSurface(); |
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131 if (SDL_WM_ToggleFullScreen(screen)) { |
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132 printf("Toggled fullscreen mode - now %s\n", |
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133 (screen->flags & SDL_FULLSCREEN) ? "fullscreen" : "windowed"); |
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134 } else { |
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135 printf("Unable to toggle fullscreen mode\n"); |
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136 video_flags ^= SDL_FULLSCREEN; |
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137 SetVideoMode(screen->w, screen->h); |
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138 } |
0 | 139 } |
140 | |
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141 void |
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142 HotKey_ToggleGrab(void) |
0 | 143 { |
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144 SDL_GrabMode mode; |
0 | 145 |
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146 printf("Ctrl-G: toggling input grab!\n"); |
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147 mode = SDL_WM_GrabInput(SDL_GRAB_QUERY); |
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148 if (mode == SDL_GRAB_ON) { |
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149 printf("Grab was on\n"); |
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150 } else { |
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151 printf("Grab was off\n"); |
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152 } |
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153 mode = SDL_WM_GrabInput(mode ? SDL_GRAB_OFF : SDL_GRAB_ON); |
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154 if (mode == SDL_GRAB_ON) { |
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155 printf("Grab is now on\n"); |
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156 } else { |
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157 printf("Grab is now off\n"); |
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158 } |
0 | 159 } |
160 | |
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161 void |
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162 HotKey_Iconify(void) |
0 | 163 { |
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164 printf("Ctrl-Z: iconifying window!\n"); |
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165 SDL_WM_IconifyWindow(); |
0 | 166 } |
167 | |
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168 void |
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169 HotKey_Quit(void) |
0 | 170 { |
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171 SDL_Event event; |
0 | 172 |
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173 printf("Posting internal quit request\n"); |
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174 event.type = SDL_USEREVENT; |
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175 SDL_PushEvent(&event); |
0 | 176 } |
177 | |
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178 static int (SDLCALL * old_filterfunc) (void *, SDL_Event *); |
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179 static void *old_filterdata; |
0 | 180 |
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181 int SDLCALL |
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182 FilterEvents(void *userdata, SDL_Event * event) |
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183 { |
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184 static int reallyquit = 0; |
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185 |
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186 if (old_filterfunc) { |
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187 old_filterfunc(old_filterdata, event); |
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188 } |
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189 |
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190 switch (event->type) { |
0 | 191 |
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192 case SDL_ACTIVEEVENT: |
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193 /* See what happened */ |
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194 printf("App %s ", event->active.gain ? "gained" : "lost"); |
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195 if (event->active.state & SDL_APPACTIVE) |
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196 printf("active "); |
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197 if (event->active.state & SDL_APPINPUTFOCUS) |
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198 printf("input "); |
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199 if (event->active.state & SDL_APPMOUSEFOCUS) |
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200 printf("mouse "); |
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201 printf("focus\n"); |
0 | 202 |
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203 /* See if we are iconified or restored */ |
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204 if (event->active.state & SDL_APPACTIVE) { |
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205 printf("App has been %s\n", |
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206 event->active.gain ? "restored" : "iconified"); |
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207 } |
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208 return (0); |
0 | 209 |
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210 /* We want to toggle visibility on buttonpress */ |
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211 case SDL_MOUSEBUTTONDOWN: |
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212 case SDL_MOUSEBUTTONUP: |
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213 if (event->button.state == SDL_PRESSED) { |
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214 visible = !visible; |
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215 SDL_ShowCursor(visible); |
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216 } |
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217 printf("Mouse button %d has been %s\n", |
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218 event->button.button, |
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219 (event->button.state == SDL_PRESSED) ? "pressed" : "released"); |
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220 return (0); |
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221 |
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222 /* Show relative mouse motion */ |
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223 case SDL_MOUSEMOTION: |
0 | 224 #if 0 |
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225 printf("Mouse motion: {%d,%d} (%d,%d)\n", |
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226 event->motion.x, event->motion.y, |
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227 event->motion.xrel, event->motion.yrel); |
0 | 228 #endif |
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229 return (0); |
0 | 230 |
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231 case SDL_KEYDOWN: |
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232 if (event->key.keysym.sym == SDLK_ESCAPE) { |
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233 HotKey_Quit(); |
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234 } |
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235 if ((event->key.keysym.sym == SDLK_g) && |
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236 (event->key.keysym.mod & KMOD_CTRL)) { |
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237 HotKey_ToggleGrab(); |
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238 } |
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239 if ((event->key.keysym.sym == SDLK_z) && |
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240 (event->key.keysym.mod & KMOD_CTRL)) { |
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241 HotKey_Iconify(); |
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242 } |
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243 if ((event->key.keysym.sym == SDLK_RETURN) && |
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244 (event->key.keysym.mod & KMOD_ALT)) { |
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245 HotKey_ToggleFullScreen(); |
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246 } |
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247 return (0); |
0 | 248 |
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249 /* Pass the video resize event through .. */ |
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250 case SDL_VIDEORESIZE: |
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251 return (1); |
0 | 252 |
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253 /* This is important! Queue it if we want to quit. */ |
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254 case SDL_QUIT: |
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255 if (!reallyquit) { |
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256 reallyquit = 1; |
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257 printf("Quit requested\n"); |
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258 return (0); |
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259 } |
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260 printf("Quit demanded\n"); |
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261 return (1); |
0 | 262 |
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263 /* This will never happen because events queued directly |
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264 to the event queue are not filtered. |
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265 */ |
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266 case SDL_USEREVENT: |
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267 return (1); |
0 | 268 |
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269 /* Drop all other events */ |
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270 default: |
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271 return (0); |
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272 } |
0 | 273 } |
274 | |
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275 int |
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276 main(int argc, char *argv[]) |
0 | 277 { |
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278 SDL_Event event; |
2060 | 279 const char *title; |
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280 SDL_Surface *icon; |
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281 Uint8 *icon_mask; |
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282 int parsed; |
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283 int w, h; |
0 | 284 |
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285 if (SDL_Init(SDL_INIT_VIDEO) < 0) { |
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286 fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError()); |
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287 return (1); |
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288 } |
0 | 289 |
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290 /* Check command line arguments */ |
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291 w = 640; |
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292 h = 480; |
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293 video_bpp = 8; |
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294 video_flags = SDL_SWSURFACE; |
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295 parsed = 1; |
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296 while (parsed) { |
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297 if ((argc >= 2) && (strcmp(argv[1], "-fullscreen") == 0)) { |
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298 video_flags |= SDL_FULLSCREEN; |
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299 argc -= 1; |
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300 argv += 1; |
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301 } else if ((argc >= 2) && (strcmp(argv[1], "-resize") == 0)) { |
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302 video_flags |= SDL_RESIZABLE; |
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303 argc -= 1; |
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304 argv += 1; |
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305 } else if ((argc >= 2) && (strcmp(argv[1], "-noframe") == 0)) { |
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306 video_flags |= SDL_NOFRAME; |
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307 argc -= 1; |
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308 argv += 1; |
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309 } else if ((argc >= 3) && (strcmp(argv[1], "-width") == 0)) { |
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310 w = atoi(argv[2]); |
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311 argc -= 2; |
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312 argv += 2; |
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313 } else if ((argc >= 3) && (strcmp(argv[1], "-height") == 0)) { |
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314 h = atoi(argv[2]); |
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315 argc -= 2; |
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316 argv += 2; |
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317 } else if ((argc >= 3) && (strcmp(argv[1], "-bpp") == 0)) { |
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318 video_bpp = atoi(argv[2]); |
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319 argc -= 2; |
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320 argv += 2; |
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321 } else { |
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322 parsed = 0; |
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323 } |
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324 } |
0 | 325 |
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326 /* Set the icon -- this must be done before the first mode set */ |
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327 icon = LoadIconSurface("icon.bmp", &icon_mask); |
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328 if (icon != NULL) { |
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329 SDL_WM_SetIcon(icon, icon_mask); |
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330 } |
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331 if (icon_mask != NULL) |
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332 free(icon_mask); |
0 | 333 |
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334 /* Set the title bar */ |
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335 if (argv[1] == NULL) |
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336 title = "Testing 1.. 2.. 3..."; |
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337 else |
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338 title = argv[1]; |
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339 SDL_WM_SetCaption(title, "testwm"); |
0 | 340 |
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341 /* See if it's really set */ |
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342 SDL_WM_GetCaption(&title, NULL); |
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343 if (title) |
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344 printf("Title was set to: %s\n", title); |
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345 else |
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346 printf("No window title was set!\n"); |
0 | 347 |
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348 /* Initialize the display */ |
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349 if (SetVideoMode(w, h) < 0) { |
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350 quit(1); |
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351 } |
0 | 352 |
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353 /* Set an event filter that discards everything but QUIT */ |
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354 SDL_GetEventFilter(&old_filterfunc, &old_filterdata); |
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355 SDL_SetEventFilter(FilterEvents, NULL); |
0 | 356 |
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357 /* Ignore key up events, they don't even get filtered */ |
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358 SDL_EventState(SDL_KEYUP, SDL_IGNORE); |
0 | 359 |
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360 /* Loop, waiting for QUIT */ |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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361 while (SDL_WaitEvent(&event)) { |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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362 switch (event.type) { |
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363 case SDL_VIDEORESIZE: |
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364 printf("Got a resize event: %dx%d\n", |
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365 event.resize.w, event.resize.h); |
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366 SetVideoMode(event.resize.w, event.resize.h); |
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367 break; |
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368 case SDL_USEREVENT: |
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369 printf("Handling internal quit request\n"); |
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370 /* Fall through to the quit handler */ |
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371 case SDL_QUIT: |
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372 printf("Bye bye..\n"); |
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373 quit(0); |
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374 default: |
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375 /* This should never happen */ |
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376 printf("Warning: Event %d wasn't filtered\n", event.type); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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377 break; |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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378 } |
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379 } |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
Sam Lantinga <slouken@libsdl.org>
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380 printf("SDL_WaitEvent() error: %s\n", SDL_GetError()); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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381 SDL_Quit(); |
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SDL 1.2 is moving to a branch, and SDL 1.3 is becoming the head.
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382 return (255); |
0 | 383 } |