Mercurial > sdl-ios-xcode
annotate test/testwm.c @ 937:1e6366bde299
Date: Tue, 27 Jul 2004 17:14:00 +0200
From: "Eckhard Stolberg"
Subject: Controller names in SDL for Windows
I'm working on an Atari 2600 emulator for different systems that uses
the SDL. Some time ago someone created an adaptor that lets you use
your old Atari controllers with your computer through the USB port.
Some of the Atari controllers require special handling by the emulator,
so it would be nice, if it would be possible to detect if any of the
controllers connected to the computer is this adaptor.
SDL would allow that with the SDL_JoystickName function, but unfortunately
it doesn't work properly on Windows. On Linux and MacOSX this function
returns the name of the controller, but on Windows you'll only get the
name of the joystick driver. Most joysticks nowadays use the generic
Microsoft driver, so they all return the same name.
In an old MSDN article
(http://msdn.microsoft.com/archive/default.asp?url=/archive/en-us/dnarinput/html/msdn_extdirect.asp)
Microsoft describes how to read out the OEM controller names from the registry.
I have implemented this for the SDL controller handler on Windows,
and now reading the joystick name works properly there too.
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sat, 21 Aug 2004 03:45:58 +0000 |
| parents | 3eddf51b649b |
| children | be9c9c8f6d53 |
| 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 int SetVideoMode(int w, int h) |
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17 { |
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18 SDL_Surface *screen; |
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19 int i; |
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20 Uint8 *buffer; |
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21 SDL_Color palette[256]; |
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22 |
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23 screen = SDL_SetVideoMode(w, h, video_bpp, video_flags); |
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24 if ( screen == NULL ) { |
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25 fprintf(stderr, "Couldn't set %dx%dx%d video mode: %s\n", |
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26 w, h, video_bpp, SDL_GetError()); |
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27 return(-1); |
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28 } |
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29 printf("Running in %s mode\n", screen->flags & SDL_FULLSCREEN ? |
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30 "fullscreen" : "windowed"); |
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31 |
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32 /* Set the surface pixels and refresh! */ |
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33 for ( i=0; i<256; ++i ) { |
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34 palette[i].r = 255-i; |
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35 palette[i].g = 255-i; |
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36 palette[i].b = 255-i; |
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37 } |
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38 SDL_SetColors(screen, palette, 0, 256); |
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39 if ( SDL_LockSurface(screen) < 0 ) { |
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40 fprintf(stderr, "Couldn't lock display surface: %s\n", |
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41 SDL_GetError()); |
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42 return(-1); |
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43 } |
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44 buffer = (Uint8 *)screen->pixels; |
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45 for ( i=0; i<screen->h; ++i ) { |
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46 memset(buffer,(i*255)/screen->h, |
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47 screen->w*screen->format->BytesPerPixel); |
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48 buffer += screen->pitch; |
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49 } |
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50 SDL_UnlockSurface(screen); |
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51 SDL_UpdateRect(screen, 0, 0, 0, 0); |
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52 |
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53 return(0); |
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54 } |
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55 |
| 0 | 56 SDL_Surface *LoadIconSurface(char *file, Uint8 **maskp) |
| 57 { | |
| 58 SDL_Surface *icon; | |
| 59 Uint8 *pixels; | |
| 60 Uint8 *mask; | |
| 591 | 61 int mlen, i, j; |
| 0 | 62 |
| 63 *maskp = NULL; | |
| 64 | |
| 65 /* Load the icon surface */ | |
| 66 icon = SDL_LoadBMP(file); | |
| 67 if ( icon == NULL ) { | |
| 68 fprintf(stderr, "Couldn't load %s: %s\n", file, SDL_GetError()); | |
| 69 return(NULL); | |
| 70 } | |
| 71 | |
| 591 | 72 /* Check width and height |
| 0 | 73 if ( (icon->w%8) != 0 ) { |
| 74 fprintf(stderr, "Icon width must be a multiple of 8!\n"); | |
| 75 SDL_FreeSurface(icon); | |
| 76 return(NULL); | |
| 77 } | |
| 591 | 78 */ |
| 79 | |
| 80 | |
| 0 | 81 if ( icon->format->palette == NULL ) { |
| 82 fprintf(stderr, "Icon must have a palette!\n"); | |
| 83 SDL_FreeSurface(icon); | |
| 84 return(NULL); | |
| 85 } | |
| 86 | |
| 87 /* Set the colorkey */ | |
| 88 SDL_SetColorKey(icon, SDL_SRCCOLORKEY, *((Uint8 *)icon->pixels)); | |
| 89 | |
| 90 /* Create the mask */ | |
| 91 pixels = (Uint8 *)icon->pixels; | |
| 92 printf("Transparent pixel: (%d,%d,%d)\n", | |
| 93 icon->format->palette->colors[*pixels].r, | |
| 94 icon->format->palette->colors[*pixels].g, | |
| 95 icon->format->palette->colors[*pixels].b); | |
| 591 | 96 mlen = (icon->w*icon->h + 7) / 8; |
| 97 mask = (Uint8 *)malloc(mlen); | |
| 0 | 98 if ( mask == NULL ) { |
| 99 fprintf(stderr, "Out of memory!\n"); | |
| 100 SDL_FreeSurface(icon); | |
| 101 return(NULL); | |
| 102 } | |
| 591 | 103 memset(mask, 0, mlen); |
| 104 for ( i=0; i < icon->h; i++) | |
| 105 for (j=0; j < icon->w; j++) { | |
| 106 int pindex = i * icon->pitch + j; | |
| 107 int mindex = i * icon->w + j; | |
| 108 if ( pixels[pindex] != *pixels ) | |
| 109 mask[mindex>>3] |= 1 << (7 - (mindex & 7)); | |
| 110 } | |
| 0 | 111 *maskp = mask; |
| 112 return(icon); | |
| 113 } | |
| 114 | |
| 115 void HotKey_ToggleFullScreen(void) | |
| 116 { | |
| 117 SDL_Surface *screen; | |
| 118 | |
| 119 screen = SDL_GetVideoSurface(); | |
| 120 if ( SDL_WM_ToggleFullScreen(screen) ) { | |
| 121 printf("Toggled fullscreen mode - now %s\n", | |
| 122 (screen->flags&SDL_FULLSCREEN) ? "fullscreen" : "windowed"); | |
| 123 } else { | |
| 124 printf("Unable to toggle fullscreen mode\n"); | |
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125 video_flags ^= SDL_FULLSCREEN; |
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126 SetVideoMode(screen->w, screen->h); |
| 0 | 127 } |
| 128 } | |
| 129 | |
| 130 void HotKey_ToggleGrab(void) | |
| 131 { | |
| 132 SDL_GrabMode mode; | |
| 133 | |
| 134 printf("Ctrl-G: toggling input grab!\n"); | |
| 135 mode = SDL_WM_GrabInput(SDL_GRAB_QUERY); | |
| 136 if ( mode == SDL_GRAB_ON ) { | |
| 137 printf("Grab was on\n"); | |
| 138 } else { | |
| 139 printf("Grab was off\n"); | |
| 140 } | |
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141 mode = SDL_WM_GrabInput(mode ? SDL_GRAB_OFF : SDL_GRAB_ON); |
| 0 | 142 if ( mode == SDL_GRAB_ON ) { |
| 143 printf("Grab is now on\n"); | |
| 144 } else { | |
| 145 printf("Grab is now off\n"); | |
| 146 } | |
| 147 } | |
| 148 | |
| 149 void HotKey_Iconify(void) | |
| 150 { | |
| 151 printf("Ctrl-Z: iconifying window!\n"); | |
| 152 SDL_WM_IconifyWindow(); | |
| 153 } | |
| 154 | |
| 155 void HotKey_Quit(void) | |
| 156 { | |
| 157 SDL_Event event; | |
| 158 | |
| 159 printf("Posting internal quit request\n"); | |
| 160 event.type = SDL_USEREVENT; | |
| 161 SDL_PushEvent(&event); | |
| 162 } | |
| 163 | |
| 164 int FilterEvents(const SDL_Event *event) | |
| 165 { | |
| 166 static int reallyquit = 0; | |
| 167 | |
| 168 switch (event->type) { | |
| 169 | |
| 170 case SDL_ACTIVEEVENT: | |
| 171 /* See what happened */ | |
| 172 printf("App %s ", | |
| 173 event->active.gain ? "gained" : "lost"); | |
| 174 if ( event->active.state & SDL_APPACTIVE ) | |
| 175 printf("active "); | |
| 176 if ( event->active.state & SDL_APPMOUSEFOCUS ) | |
| 177 printf("mouse "); | |
| 178 if ( event->active.state & SDL_APPINPUTFOCUS ) | |
| 179 printf("input "); | |
| 180 printf("focus\n"); | |
| 181 | |
| 182 /* See if we are iconified or restored */ | |
| 183 if ( event->active.state & SDL_APPACTIVE ) { | |
| 184 printf("App has been %s\n", | |
| 185 event->active.gain ? | |
| 186 "restored" : "iconified"); | |
| 187 } | |
| 188 return(0); | |
| 189 | |
| 190 /* We want to toggle visibility on buttonpress */ | |
| 191 case SDL_MOUSEBUTTONDOWN: | |
| 192 case SDL_MOUSEBUTTONUP: | |
| 193 if ( event->button.state == SDL_PRESSED ) { | |
| 194 visible = !visible; | |
| 195 SDL_ShowCursor(visible); | |
| 196 } | |
| 197 printf("Mouse button %d has been %s\n", | |
| 198 event->button.button, | |
| 199 (event->button.state == SDL_PRESSED) ? | |
| 200 "pressed" : "released"); | |
| 201 return(0); | |
| 202 | |
| 203 /* Show relative mouse motion */ | |
| 204 case SDL_MOUSEMOTION: | |
| 205 #if 0 | |
| 206 printf("Mouse relative motion: {%d,%d}\n", | |
| 207 event->motion.xrel, event->motion.yrel); | |
| 208 #endif | |
| 209 return(0); | |
| 210 | |
| 211 case SDL_KEYDOWN: | |
| 212 if ( event->key.keysym.sym == SDLK_ESCAPE ) { | |
| 213 HotKey_Quit(); | |
| 214 } | |
| 215 if ( (event->key.keysym.sym == SDLK_g) && | |
| 216 (event->key.keysym.mod & KMOD_CTRL) ) { | |
| 217 HotKey_ToggleGrab(); | |
| 218 } | |
| 219 if ( (event->key.keysym.sym == SDLK_z) && | |
| 220 (event->key.keysym.mod & KMOD_CTRL) ) { | |
| 221 HotKey_Iconify(); | |
| 222 } | |
| 223 if ( (event->key.keysym.sym == SDLK_RETURN) && | |
| 224 (event->key.keysym.mod & KMOD_ALT) ) { | |
| 225 HotKey_ToggleFullScreen(); | |
| 226 } | |
| 227 return(0); | |
| 228 | |
| 229 /* Pass the video resize event through .. */ | |
| 230 case SDL_VIDEORESIZE: | |
| 231 return(1); | |
| 232 | |
| 233 /* This is important! Queue it if we want to quit. */ | |
| 234 case SDL_QUIT: | |
| 235 if ( ! reallyquit ) { | |
| 236 reallyquit = 1; | |
| 237 printf("Quit requested\n"); | |
| 238 return(0); | |
| 239 } | |
| 240 printf("Quit demanded\n"); | |
| 241 return(1); | |
| 242 | |
| 243 /* This will never happen because events queued directly | |
| 244 to the event queue are not filtered. | |
| 245 */ | |
| 246 case SDL_USEREVENT: | |
| 247 return(1); | |
| 248 | |
| 249 /* Drop all other events */ | |
| 250 default: | |
| 251 return(0); | |
| 252 } | |
| 253 } | |
| 254 | |
| 255 int main(int argc, char *argv[]) | |
| 256 { | |
| 257 SDL_Event event; | |
| 258 char *title; | |
| 259 SDL_Surface *icon; | |
| 260 Uint8 *icon_mask; | |
| 261 int parsed; | |
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262 int w, h; |
| 0 | 263 |
| 264 if ( SDL_Init(SDL_INIT_VIDEO) < 0 ) { | |
| 265 fprintf(stderr, | |
| 266 "Couldn't initialize SDL: %s\n", SDL_GetError()); | |
| 267 exit(1); | |
| 268 } | |
| 269 atexit(SDL_Quit); | |
| 270 | |
| 271 /* Check command line arguments */ | |
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272 w = 640; |
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273 h = 480; |
| 0 | 274 video_bpp = 8; |
| 275 video_flags = SDL_SWSURFACE; | |
| 276 parsed = 1; | |
| 277 while ( parsed ) { | |
| 278 if ( (argc >= 2) && (strcmp(argv[1], "-fullscreen") == 0) ) { | |
| 279 video_flags |= SDL_FULLSCREEN; | |
| 280 argc -= 1; | |
| 281 argv += 1; | |
| 282 } else | |
| 283 if ( (argc >= 2) && (strcmp(argv[1], "-resize") == 0) ) { | |
| 284 video_flags |= SDL_RESIZABLE; | |
| 285 argc -= 1; | |
| 286 argv += 1; | |
| 287 } else | |
| 288 if ( (argc >= 2) && (strcmp(argv[1], "-noframe") == 0) ) { | |
| 289 video_flags |= SDL_NOFRAME; | |
| 290 argc -= 1; | |
| 291 argv += 1; | |
| 292 } else | |
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293 if ( (argc >= 3) && (strcmp(argv[1], "-width") == 0) ) { |
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294 w = atoi(argv[2]); |
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295 argc -= 2; |
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296 argv += 2; |
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297 } else |
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298 if ( (argc >= 3) && (strcmp(argv[1], "-height") == 0) ) { |
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299 h = atoi(argv[2]); |
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300 argc -= 2; |
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301 argv += 2; |
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302 } else |
| 0 | 303 if ( (argc >= 3) && (strcmp(argv[1], "-bpp") == 0) ) { |
| 304 video_bpp = atoi(argv[2]); | |
| 305 argc -= 2; | |
| 306 argv += 2; | |
| 307 } else { | |
| 308 parsed = 0; | |
| 309 } | |
| 310 } | |
| 311 | |
| 312 /* Set the icon -- this must be done before the first mode set */ | |
| 313 icon = LoadIconSurface("icon.bmp", &icon_mask); | |
| 314 if ( icon != NULL ) { | |
| 315 SDL_WM_SetIcon(icon, icon_mask); | |
| 316 } | |
| 317 if ( icon_mask != NULL ) | |
| 318 free(icon_mask); | |
| 319 | |
| 320 /* Set the title bar */ | |
| 321 if ( argv[1] == NULL ) | |
| 322 title = "Testing 1.. 2.. 3..."; | |
| 323 else | |
| 324 title = argv[1]; | |
| 325 SDL_WM_SetCaption(title, "testwm"); | |
| 326 | |
| 327 /* See if it's really set */ | |
| 328 SDL_WM_GetCaption(&title, NULL); | |
| 329 if ( title ) | |
| 330 printf("Title was set to: %s\n", title); | |
| 331 else | |
| 332 printf("No window title was set!\n"); | |
| 333 | |
| 334 /* Initialize the display */ | |
|
87
3ef4bc90c388
Added -width and -height command line options
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
335 if ( SetVideoMode(w, h) < 0 ) { |
| 0 | 336 return(1); |
| 337 } | |
| 338 | |
| 339 /* Set an event filter that discards everything but QUIT */ | |
| 340 SDL_SetEventFilter(FilterEvents); | |
| 341 | |
| 342 /* Ignore key up events, they don't even get filtered */ | |
| 343 SDL_EventState(SDL_KEYUP, SDL_IGNORE); | |
| 344 | |
| 345 /* Loop, waiting for QUIT */ | |
| 346 while ( SDL_WaitEvent(&event) ) { | |
| 347 switch (event.type) { | |
| 348 case SDL_VIDEORESIZE: | |
| 349 printf("Got a resize event: %dx%d\n", | |
| 350 event.resize.w, event.resize.h); | |
| 351 SetVideoMode(event.resize.w, event.resize.h); | |
| 352 break; | |
| 353 case SDL_USEREVENT: | |
| 354 printf("Handling internal quit request\n"); | |
| 355 /* Fall through to the quit handler */ | |
| 356 case SDL_QUIT: | |
| 357 printf("Bye bye..\n"); | |
| 358 return(0); | |
| 359 default: | |
| 360 /* This should never happen */ | |
| 361 printf("Warning: Event %d wasn't filtered\n", | |
| 362 event.type); | |
| 363 break; | |
| 364 } | |
| 365 } | |
| 366 printf("SDL_WaitEvent() error: %s\n", SDL_GetError()); | |
| 367 return(255); | |
| 368 } |