Mercurial > sdl-ios-xcode
annotate test/testwm.c @ 4393:9afe12fb4c41 SDL-1.2
Fixed bug #901
Tim Angus 2009-12-11 11:45:46 PST
Disable mouse event generation when state is not SDL_APPMOUSEFOCUS
If a Windows SDL application is minimised by using alt-tab, SDL_APPMOUSEFOCUS
is lost as part of the minimisation. Unfortunately, the directx driver doesn't
pay any attention to this state when generating mouse button events, so
clicking on the Desktop can cause mouse clicks in the SDL application, while
it's still minimised. The attached patch fixes this. It looks much more
complicated than it actually is due to indentation; here it is ignoring
whitespace:
tma@abraxas:~/sources/SDL-1.2-svn$ svn diff -x -b
Index: src/video/windx5/SDL_dx5events.c
===================================================================
--- src/video/windx5/SDL_dx5events.c (revision 5376)
+++ src/video/windx5/SDL_dx5events.c (working copy)
@@ -374,10 +374,9 @@
if ( !(SDL_GetAppState() & SDL_APPMOUSEFOCUS) ) {
mouse_lost = 1;
ClipCursor(NULL);
- }
-
+ } else {
/* If the mouse was lost, regain some sense of mouse state */
- if ( mouse_lost && (SDL_GetAppState() & SDL_APPMOUSEFOCUS) ) {
+ if ( mouse_lost ) {
POINT mouse_pos;
Uint8 old_state;
Uint8 new_state;
@@ -548,6 +547,7 @@
if ( xrel || yrel ) {
post_mouse_motion(1, xrel, yrel);
}
+ }
}
/* The main Win32 event handler */
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Mon, 14 Dec 2009 22:41:31 +0000 |
| parents | 14195cfdb66e |
| children |
| rev | line source |
|---|---|
| 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 quit(int rc) |
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18 { |
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19 SDL_Quit(); |
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20 exit(rc); |
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21 } |
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22 |
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23 int SetVideoMode(int w, int h) |
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24 { |
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25 SDL_Surface *screen; |
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26 int i; |
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27 Uint8 *buffer; |
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28 SDL_Color palette[256]; |
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29 |
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30 screen = SDL_SetVideoMode(w, h, video_bpp, video_flags); |
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31 if ( screen == NULL ) { |
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32 fprintf(stderr, "Couldn't set %dx%dx%d video mode: %s\n", |
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33 w, h, video_bpp, SDL_GetError()); |
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34 return(-1); |
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35 } |
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36 printf("Running in %s mode\n", screen->flags & SDL_FULLSCREEN ? |
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37 "fullscreen" : "windowed"); |
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38 |
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39 /* Set the surface pixels and refresh! */ |
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40 for ( i=0; i<256; ++i ) { |
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41 palette[i].r = 255-i; |
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42 palette[i].g = 255-i; |
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43 palette[i].b = 255-i; |
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44 } |
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45 SDL_SetColors(screen, palette, 0, 256); |
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46 if ( SDL_LockSurface(screen) < 0 ) { |
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47 fprintf(stderr, "Couldn't lock display surface: %s\n", |
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48 SDL_GetError()); |
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49 return(-1); |
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50 } |
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51 buffer = (Uint8 *)screen->pixels; |
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52 for ( i=0; i<screen->h; ++i ) { |
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53 memset(buffer,(i*255)/screen->h, |
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54 screen->w*screen->format->BytesPerPixel); |
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55 buffer += screen->pitch; |
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56 } |
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57 SDL_UnlockSurface(screen); |
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58 SDL_UpdateRect(screen, 0, 0, 0, 0); |
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59 |
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60 return(0); |
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61 } |
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62 |
| 0 | 63 SDL_Surface *LoadIconSurface(char *file, Uint8 **maskp) |
| 64 { | |
| 65 SDL_Surface *icon; | |
| 66 Uint8 *pixels; | |
| 67 Uint8 *mask; | |
| 591 | 68 int mlen, i, j; |
| 0 | 69 |
| 70 *maskp = NULL; | |
| 71 | |
| 72 /* Load the icon surface */ | |
| 73 icon = SDL_LoadBMP(file); | |
| 74 if ( icon == NULL ) { | |
| 75 fprintf(stderr, "Couldn't load %s: %s\n", file, SDL_GetError()); | |
| 76 return(NULL); | |
| 77 } | |
| 78 | |
| 591 | 79 /* Check width and height |
| 0 | 80 if ( (icon->w%8) != 0 ) { |
| 81 fprintf(stderr, "Icon width must be a multiple of 8!\n"); | |
| 82 SDL_FreeSurface(icon); | |
| 83 return(NULL); | |
| 84 } | |
| 591 | 85 */ |
| 86 | |
| 87 | |
| 0 | 88 if ( icon->format->palette == NULL ) { |
| 89 fprintf(stderr, "Icon must have a palette!\n"); | |
| 90 SDL_FreeSurface(icon); | |
| 91 return(NULL); | |
| 92 } | |
| 93 | |
| 94 /* Set the colorkey */ | |
| 95 SDL_SetColorKey(icon, SDL_SRCCOLORKEY, *((Uint8 *)icon->pixels)); | |
| 96 | |
| 97 /* Create the mask */ | |
| 98 pixels = (Uint8 *)icon->pixels; | |
| 99 printf("Transparent pixel: (%d,%d,%d)\n", | |
| 100 icon->format->palette->colors[*pixels].r, | |
| 101 icon->format->palette->colors[*pixels].g, | |
| 102 icon->format->palette->colors[*pixels].b); | |
| 591 | 103 mlen = (icon->w*icon->h + 7) / 8; |
| 104 mask = (Uint8 *)malloc(mlen); | |
| 0 | 105 if ( mask == NULL ) { |
| 106 fprintf(stderr, "Out of memory!\n"); | |
| 107 SDL_FreeSurface(icon); | |
| 108 return(NULL); | |
| 109 } | |
| 591 | 110 memset(mask, 0, mlen); |
| 111 for ( i=0; i < icon->h; i++) | |
| 112 for (j=0; j < icon->w; j++) { | |
| 113 int pindex = i * icon->pitch + j; | |
| 114 int mindex = i * icon->w + j; | |
| 115 if ( pixels[pindex] != *pixels ) | |
| 116 mask[mindex>>3] |= 1 << (7 - (mindex & 7)); | |
| 117 } | |
| 0 | 118 *maskp = mask; |
| 119 return(icon); | |
| 120 } | |
| 121 | |
| 122 void HotKey_ToggleFullScreen(void) | |
| 123 { | |
| 124 SDL_Surface *screen; | |
| 125 | |
| 126 screen = SDL_GetVideoSurface(); | |
| 127 if ( SDL_WM_ToggleFullScreen(screen) ) { | |
| 128 printf("Toggled fullscreen mode - now %s\n", | |
| 129 (screen->flags&SDL_FULLSCREEN) ? "fullscreen" : "windowed"); | |
| 130 } else { | |
| 131 printf("Unable to toggle fullscreen mode\n"); | |
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132 video_flags ^= SDL_FULLSCREEN; |
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133 SetVideoMode(screen->w, screen->h); |
| 0 | 134 } |
| 135 } | |
| 136 | |
| 137 void HotKey_ToggleGrab(void) | |
| 138 { | |
| 139 SDL_GrabMode mode; | |
| 140 | |
| 141 printf("Ctrl-G: toggling input grab!\n"); | |
| 142 mode = SDL_WM_GrabInput(SDL_GRAB_QUERY); | |
| 143 if ( mode == SDL_GRAB_ON ) { | |
| 144 printf("Grab was on\n"); | |
| 145 } else { | |
| 146 printf("Grab was off\n"); | |
| 147 } | |
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148 mode = SDL_WM_GrabInput(mode ? SDL_GRAB_OFF : SDL_GRAB_ON); |
| 0 | 149 if ( mode == SDL_GRAB_ON ) { |
| 150 printf("Grab is now on\n"); | |
| 151 } else { | |
| 152 printf("Grab is now off\n"); | |
| 153 } | |
| 154 } | |
| 155 | |
| 156 void HotKey_Iconify(void) | |
| 157 { | |
| 158 printf("Ctrl-Z: iconifying window!\n"); | |
| 159 SDL_WM_IconifyWindow(); | |
| 160 } | |
| 161 | |
| 162 void HotKey_Quit(void) | |
| 163 { | |
| 164 SDL_Event event; | |
| 165 | |
| 166 printf("Posting internal quit request\n"); | |
| 167 event.type = SDL_USEREVENT; | |
| 168 SDL_PushEvent(&event); | |
| 169 } | |
| 170 | |
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171 static void print_modifiers(void) |
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172 { |
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173 int mod; |
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174 printf(" modifiers:"); |
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175 mod = SDL_GetModState(); |
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176 if(!mod) { |
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177 printf(" (none)"); |
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178 return; |
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179 } |
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180 if(mod & KMOD_LSHIFT) |
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181 printf(" LSHIFT"); |
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182 if(mod & KMOD_RSHIFT) |
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183 printf(" RSHIFT"); |
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184 if(mod & KMOD_LCTRL) |
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185 printf(" LCTRL"); |
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186 if(mod & KMOD_RCTRL) |
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187 printf(" RCTRL"); |
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188 if(mod & KMOD_LALT) |
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189 printf(" LALT"); |
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190 if(mod & KMOD_RALT) |
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191 printf(" RALT"); |
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192 if(mod & KMOD_LMETA) |
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193 printf(" LMETA"); |
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194 if(mod & KMOD_RMETA) |
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195 printf(" RMETA"); |
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196 if(mod & KMOD_NUM) |
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197 printf(" NUM"); |
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198 if(mod & KMOD_CAPS) |
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199 printf(" CAPS"); |
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200 if(mod & KMOD_MODE) |
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201 printf(" MODE"); |
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202 } |
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203 |
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204 static void PrintKey(const SDL_keysym *sym, int pressed) |
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205 { |
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206 /* Print the keycode, name and state */ |
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207 if ( sym->sym ) { |
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208 printf("Key %s: %d-%s ", pressed ? "pressed" : "released", |
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209 sym->sym, SDL_GetKeyName(sym->sym)); |
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210 } else { |
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211 printf("Unknown Key (scancode = %d) %s ", sym->scancode, |
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212 pressed ? "pressed" : "released"); |
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213 } |
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214 |
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215 /* Print the translated character, if one exists */ |
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216 if ( sym->unicode ) { |
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217 /* Is it a control-character? */ |
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218 if ( sym->unicode < ' ' ) { |
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219 printf(" (^%c)", sym->unicode+'@'); |
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220 } else { |
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221 #ifdef UNICODE |
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222 printf(" (%c)", sym->unicode); |
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223 #else |
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224 /* This is a Latin-1 program, so only show 8-bits */ |
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225 if ( !(sym->unicode & 0xFF00) ) |
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226 printf(" (%c)", sym->unicode); |
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227 else |
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228 printf(" (0x%X)", sym->unicode); |
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229 #endif |
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230 } |
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231 } |
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232 print_modifiers(); |
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233 printf("\n"); |
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234 } |
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235 |
| 1769 | 236 int SDLCALL FilterEvents(const SDL_Event *event) |
| 0 | 237 { |
| 238 static int reallyquit = 0; | |
| 239 | |
| 240 switch (event->type) { | |
| 241 | |
| 242 case SDL_ACTIVEEVENT: | |
| 243 /* See what happened */ | |
| 244 printf("App %s ", | |
| 245 event->active.gain ? "gained" : "lost"); | |
| 246 if ( event->active.state & SDL_APPACTIVE ) | |
| 247 printf("active "); | |
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248 if ( event->active.state & SDL_APPINPUTFOCUS ) |
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249 printf("input "); |
| 0 | 250 if ( event->active.state & SDL_APPMOUSEFOCUS ) |
| 251 printf("mouse "); | |
| 252 printf("focus\n"); | |
| 253 | |
| 254 /* See if we are iconified or restored */ | |
| 255 if ( event->active.state & SDL_APPACTIVE ) { | |
| 256 printf("App has been %s\n", | |
| 257 event->active.gain ? | |
| 258 "restored" : "iconified"); | |
| 259 } | |
| 260 return(0); | |
| 261 | |
| 262 /* We want to toggle visibility on buttonpress */ | |
| 263 case SDL_MOUSEBUTTONDOWN: | |
| 264 case SDL_MOUSEBUTTONUP: | |
| 265 if ( event->button.state == SDL_PRESSED ) { | |
| 266 visible = !visible; | |
| 267 SDL_ShowCursor(visible); | |
| 268 } | |
| 269 printf("Mouse button %d has been %s\n", | |
| 270 event->button.button, | |
| 271 (event->button.state == SDL_PRESSED) ? | |
| 272 "pressed" : "released"); | |
| 273 return(0); | |
| 274 | |
| 275 /* Show relative mouse motion */ | |
| 276 case SDL_MOUSEMOTION: | |
| 277 #if 0 | |
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278 printf("Mouse motion: {%d,%d} (%d,%d)\n", |
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279 event->motion.x, event->motion.y, |
| 0 | 280 event->motion.xrel, event->motion.yrel); |
| 281 #endif | |
| 282 return(0); | |
| 283 | |
| 284 case SDL_KEYDOWN: | |
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285 PrintKey(&event->key.keysym, 1); |
| 0 | 286 if ( event->key.keysym.sym == SDLK_ESCAPE ) { |
| 287 HotKey_Quit(); | |
| 288 } | |
| 289 if ( (event->key.keysym.sym == SDLK_g) && | |
| 290 (event->key.keysym.mod & KMOD_CTRL) ) { | |
| 291 HotKey_ToggleGrab(); | |
| 292 } | |
| 293 if ( (event->key.keysym.sym == SDLK_z) && | |
| 294 (event->key.keysym.mod & KMOD_CTRL) ) { | |
| 295 HotKey_Iconify(); | |
| 296 } | |
| 297 if ( (event->key.keysym.sym == SDLK_RETURN) && | |
| 298 (event->key.keysym.mod & KMOD_ALT) ) { | |
| 299 HotKey_ToggleFullScreen(); | |
| 300 } | |
| 301 return(0); | |
| 302 | |
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303 case SDL_KEYUP: |
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304 PrintKey(&event->key.keysym, 0); |
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305 return(0); |
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306 |
| 0 | 307 /* Pass the video resize event through .. */ |
| 308 case SDL_VIDEORESIZE: | |
| 309 return(1); | |
| 310 | |
| 311 /* This is important! Queue it if we want to quit. */ | |
| 312 case SDL_QUIT: | |
| 313 if ( ! reallyquit ) { | |
| 314 reallyquit = 1; | |
| 315 printf("Quit requested\n"); | |
| 316 return(0); | |
| 317 } | |
| 318 printf("Quit demanded\n"); | |
| 319 return(1); | |
| 320 | |
| 321 /* This will never happen because events queued directly | |
| 322 to the event queue are not filtered. | |
| 323 */ | |
| 324 case SDL_USEREVENT: | |
| 325 return(1); | |
| 326 | |
| 327 /* Drop all other events */ | |
| 328 default: | |
| 329 return(0); | |
| 330 } | |
| 331 } | |
| 332 | |
| 333 int main(int argc, char *argv[]) | |
| 334 { | |
| 335 SDL_Event event; | |
| 336 char *title; | |
| 337 SDL_Surface *icon; | |
| 338 Uint8 *icon_mask; | |
| 339 int parsed; | |
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340 int w, h; |
| 0 | 341 |
| 342 if ( SDL_Init(SDL_INIT_VIDEO) < 0 ) { | |
| 343 fprintf(stderr, | |
| 344 "Couldn't initialize SDL: %s\n", SDL_GetError()); | |
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345 return(1); |
| 0 | 346 } |
| 347 | |
| 348 /* Check command line arguments */ | |
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349 w = 640; |
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350 h = 480; |
| 0 | 351 video_bpp = 8; |
| 352 video_flags = SDL_SWSURFACE; | |
| 353 parsed = 1; | |
| 354 while ( parsed ) { | |
| 355 if ( (argc >= 2) && (strcmp(argv[1], "-fullscreen") == 0) ) { | |
| 356 video_flags |= SDL_FULLSCREEN; | |
| 357 argc -= 1; | |
| 358 argv += 1; | |
| 359 } else | |
| 360 if ( (argc >= 2) && (strcmp(argv[1], "-resize") == 0) ) { | |
| 361 video_flags |= SDL_RESIZABLE; | |
| 362 argc -= 1; | |
| 363 argv += 1; | |
| 364 } else | |
| 365 if ( (argc >= 2) && (strcmp(argv[1], "-noframe") == 0) ) { | |
| 366 video_flags |= SDL_NOFRAME; | |
| 367 argc -= 1; | |
| 368 argv += 1; | |
| 369 } else | |
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370 if ( (argc >= 3) && (strcmp(argv[1], "-width") == 0) ) { |
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371 w = atoi(argv[2]); |
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372 argc -= 2; |
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373 argv += 2; |
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374 } else |
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375 if ( (argc >= 3) && (strcmp(argv[1], "-height") == 0) ) { |
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376 h = atoi(argv[2]); |
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377 argc -= 2; |
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378 argv += 2; |
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379 } else |
| 0 | 380 if ( (argc >= 3) && (strcmp(argv[1], "-bpp") == 0) ) { |
| 381 video_bpp = atoi(argv[2]); | |
| 382 argc -= 2; | |
| 383 argv += 2; | |
| 384 } else { | |
| 385 parsed = 0; | |
| 386 } | |
| 387 } | |
| 388 | |
| 389 /* Set the icon -- this must be done before the first mode set */ | |
| 390 icon = LoadIconSurface("icon.bmp", &icon_mask); | |
| 391 if ( icon != NULL ) { | |
| 392 SDL_WM_SetIcon(icon, icon_mask); | |
| 393 } | |
| 394 if ( icon_mask != NULL ) | |
| 395 free(icon_mask); | |
| 396 | |
| 397 /* Set the title bar */ | |
| 398 if ( argv[1] == NULL ) | |
| 399 title = "Testing 1.. 2.. 3..."; | |
| 400 else | |
| 401 title = argv[1]; | |
| 402 SDL_WM_SetCaption(title, "testwm"); | |
| 403 | |
| 404 /* See if it's really set */ | |
| 405 SDL_WM_GetCaption(&title, NULL); | |
| 406 if ( title ) | |
| 407 printf("Title was set to: %s\n", title); | |
| 408 else | |
| 409 printf("No window title was set!\n"); | |
| 410 | |
| 411 /* Initialize the display */ | |
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412 if ( SetVideoMode(w, h) < 0 ) { |
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413 quit(1); |
| 0 | 414 } |
| 415 | |
| 416 /* Set an event filter that discards everything but QUIT */ | |
| 417 SDL_SetEventFilter(FilterEvents); | |
| 418 | |
| 419 /* Loop, waiting for QUIT */ | |
| 420 while ( SDL_WaitEvent(&event) ) { | |
| 421 switch (event.type) { | |
| 422 case SDL_VIDEORESIZE: | |
| 423 printf("Got a resize event: %dx%d\n", | |
| 424 event.resize.w, event.resize.h); | |
| 425 SetVideoMode(event.resize.w, event.resize.h); | |
| 426 break; | |
| 427 case SDL_USEREVENT: | |
| 428 printf("Handling internal quit request\n"); | |
| 429 /* Fall through to the quit handler */ | |
| 430 case SDL_QUIT: | |
| 431 printf("Bye bye..\n"); | |
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432 quit(0); |
| 0 | 433 default: |
| 434 /* This should never happen */ | |
| 435 printf("Warning: Event %d wasn't filtered\n", | |
| 436 event.type); | |
| 437 break; | |
| 438 } | |
| 439 } | |
| 440 printf("SDL_WaitEvent() error: %s\n", SDL_GetError()); | |
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441 SDL_Quit(); |
| 0 | 442 return(255); |
| 443 } |