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comparison src/events/SDL_mouse.c @ 3764:2970fcfbdd54 gsoc2008_manymouse

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Relative mode for tablets. Info on wiki.
author Szymon Wilczek <kazeuser@gmail.com>
date Thu, 03 Jul 2008 22:03:58 +0000
parents 81ea7d9a6624
children ed9b7fe8f902
comparison
equal deleted inserted replaced
3763:81ea7d9a6624 3764:2970fcfbdd54
31 static int SDL_num_mice; 31 static int SDL_num_mice;
32 static int SDL_current_mouse; 32 static int SDL_current_mouse;
33 static SDL_Mouse **SDL_mice; 33 static SDL_Mouse **SDL_mice;
34 int *SDL_IdIndex; 34 int *SDL_IdIndex;
35 int SDL_highestId; 35 int SDL_highestId;
36 36 int last_x, last_y;
37 37 int x_max, y_max;
38 /* Public functions */ 38 /* Public functions */
39 int 39 int
40 SDL_MouseInit(void) 40 SDL_MouseInit(void)
41 { 41 {
42 return (0); 42 return (0);
83 SDL_mice[index]->cur_cursor = NULL; 83 SDL_mice[index]->cur_cursor = NULL;
84 SDL_mice[index]->def_cursor = 84 SDL_mice[index]->def_cursor =
85 SDL_CreateCursor(default_cdata, default_cmask, DEFAULT_CWIDTH, 85 SDL_CreateCursor(default_cdata, default_cmask, DEFAULT_CWIDTH,
86 DEFAULT_CHEIGHT, DEFAULT_CHOTX, DEFAULT_CHOTY); 86 DEFAULT_CHEIGHT, DEFAULT_CHOTX, DEFAULT_CHOTY);
87 SDL_SetCursor(SDL_mice[index]->def_cursor); 87 SDL_SetCursor(SDL_mice[index]->def_cursor);
88 SDL_mice[index]->proximity=SDL_TRUE;
89 SDL_mice[index]->relative_mode=SDL_FALSE;
88 SDL_SelectMouse(selected_mouse); 90 SDL_SelectMouse(selected_mouse);
89 91
90 return index; 92 return index;
91 } 93 }
92 94
178 return 1; 180 return 1;
179 } 181 }
180 } 182 }
181 183
182 int 184 int
183 SDL_SetRelativeMouseMode(SDL_bool enabled) 185 SDL_SetRelativeMouseMode(SDL_bool enabled, int index)
184 { 186 {
185 SDL_Mouse *mouse = SDL_GetMouse(SDL_current_mouse); 187 SDL_Mouse *mouse = SDL_GetMouse(index);
186 188
187 if (!mouse) { 189 if (!mouse) {
188 return -1; 190 return -1;
189 } 191 }
190 192
324 int index=SDL_GetIndexById(id); 326 int index=SDL_GetIndexById(id);
325 int posted=0; 327 int posted=0;
326 if(SDL_ProcessEvents[type]==SDL_ENABLE) 328 if(SDL_ProcessEvents[type]==SDL_ENABLE)
327 { 329 {
328 SDL_Event event; 330 SDL_Event event;
329 event.proximity.which=index; 331 event.proximity.which=(Uint8)index;
330 event.proximity.x=x; 332 event.proximity.x=x;
331 event.proximity.y=y; 333 event.proximity.y=y;
332 event.type=type; 334 event.type=type;
333 event.proximity.type=type; 335 event.proximity.type=type;
334 posted = (SDL_PushEvent(&event) > 0); 336 posted = (SDL_PushEvent(&event) > 0);
337 if(type==SDL_PROXIMITYIN)
338 {
339 SDL_mice[index]->proximity=SDL_TRUE;
340 }
341 else
342 {
343 SDL_mice[index]->proximity=SDL_FALSE;
344 }
335 } 345 }
336 return posted; 346 return posted;
337 } 347 }
338 348
339 int 349 int
346 int yrel; 356 int yrel;
347 357
348 if (!mouse || mouse->flush_motion) { 358 if (!mouse || mouse->flush_motion) {
349 return 0; 359 return 0;
350 } 360 }
351 361 if(mouse->proximity==SDL_FALSE)
352 if (relative) { 362 {
363 last_x=x;
364 last_y=y;
365 return 0;
366 }
367 if (mouse->relative_mode==SDL_TRUE && mouse->proximity==SDL_TRUE) {
353 /* Push the cursor around */ 368 /* Push the cursor around */
354 xrel = x; 369 xrel = x - last_x;
355 yrel = y; 370 yrel = y - last_y;
356 x = (mouse->x + xrel); 371 //x = (mouse->x + xrel);
357 y = (mouse->y + yrel); 372 //y = (mouse->y + yrel);
358 } else { 373 } else {
359 xrel = x - mouse->x; 374 xrel = x - last_x;
360 yrel = y - mouse->y; 375 yrel = y - last_y;
361 } 376 }
362 377
363 /* Drop events that don't change state */ 378 /* Drop events that don't change state */
364 if (!xrel && !yrel) { 379 if (!xrel && !yrel) {
365 #if 0 380 #if 0
367 #endif 382 #endif
368 return 0; 383 return 0;
369 } 384 }
370 385
371 /* Update internal mouse state */ 386 /* Update internal mouse state */
372 if (!mouse->relative_mode) { 387 if (mouse->relative_mode==SDL_FALSE) {
373 mouse->x = x; 388 mouse->x = x;
374 mouse->y = y; 389 mouse->y = y;
390 }
391 else
392 {
393 if(mouse->x+xrel>x_max)
394 {
395 mouse->x=x_max;
396 }
397 else if(mouse->x+xrel<0)
398 {
399 mouse->x=0;
400 }
401 else
402 {
403 mouse->x+=xrel;
404 }
405 if(mouse->y+yrel>y_max)
406 {
407 mouse->y=y_max;
408 }
409 else if(mouse->y+yrel<0)
410 {
411 mouse->y=0;
412 }
413 else
414 {
415 mouse->y+=yrel;
416 }
375 } 417 }
376 mouse->xdelta += xrel; 418 mouse->xdelta += xrel;
377 mouse->ydelta += yrel; 419 mouse->ydelta += yrel;
378 mouse->z=z; 420 mouse->z=z;
379 421
383 mouse->MoveCursor(mouse->cur_cursor); 425 mouse->MoveCursor(mouse->cur_cursor);
384 } 426 }
385 427
386 /* Post the event, if desired */ 428 /* Post the event, if desired */
387 posted = 0; 429 posted = 0;
388 if (SDL_ProcessEvents[SDL_MOUSEMOTION] == SDL_ENABLE) { 430 if (SDL_ProcessEvents[SDL_MOUSEMOTION] == SDL_ENABLE && SDL_mice[index]->proximity==SDL_TRUE) {
389 SDL_Event event; 431 SDL_Event event;
390 event.motion.type = SDL_MOUSEMOTION; 432 event.motion.type = SDL_MOUSEMOTION;
391 event.motion.which = (Uint8) index; 433 event.motion.which = (Uint8) index;
392 event.motion.state = mouse->buttonstate; 434 event.motion.state = mouse->buttonstate;
393 event.motion.x = mouse->x; 435 event.motion.x = mouse->x;
394 event.motion.y = mouse->y; 436 event.motion.y = mouse->y;
395 event.motion.z = mouse->z; 437 event.motion.z = mouse->z;
396 event.motion.xrel = xrel; 438 event.motion.xrel = xrel;
397 event.motion.yrel = yrel; 439 event.motion.yrel = yrel;
398 event.motion.windowID = mouse->focus; 440 event.motion.windowID = mouse->focus;
399 posted = (SDL_PushEvent(&event) > 0); 441 posted = (SDL_PushEvent(&event) > 0);
400 } 442 }
443 last_x=x;
444 last_y=y;
401 return posted; 445 return posted;
402 } 446 }
403 447
404 int 448 int
405 SDL_SendMouseButton(int id, Uint8 state, Uint8 button) 449 SDL_SendMouseButton(int id, Uint8 state, Uint8 button)
722 return NULL; 766 return NULL;
723 } 767 }
724 return mouse->name; 768 return mouse->name;
725 } 769 }
726 770
727 771 void SDL_UpdateCoordinates(int x, int y)
772 {
773 x_max=x;
774 y_max=y;
775 }
728 /* vi: set ts=4 sw=4 expandtab: */ 776 /* vi: set ts=4 sw=4 expandtab: */