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comparison src/video/x11/SDL_x11events.c @ 4642:057e8762d2a1

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Added reading of event* for touch events.
author Jim Grandpre <jim.tla@gmail.com>
date Fri, 28 May 2010 01:26:52 -0400
parents f068a6dfc858
children 8806b78988f7
comparison
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4641:49a97daea6ec 4642:057e8762d2a1
26 #include <unistd.h> 26 #include <unistd.h>
27 27
28 #include "SDL_x11video.h" 28 #include "SDL_x11video.h"
29 #include "../../events/SDL_events_c.h" 29 #include "../../events/SDL_events_c.h"
30 #include "../../events/SDL_mouse_c.h" 30 #include "../../events/SDL_mouse_c.h"
31 #include "../../events/SDL_touch_c.h"
31 32
32 #include "SDL_syswm.h" 33 #include "SDL_syswm.h"
34
35 #include <stdio.h>
36
37 //Touch Input/event* includes
38 #include <linux/input.h>
39 #include <fcntl.h>
33 40
34 static void 41 static void
35 X11_DispatchEvent(_THIS) 42 X11_DispatchEvent(_THIS)
36 { 43 {
37 SDL_VideoData *videodata = (SDL_VideoData *) _this->driverdata; 44 SDL_VideoData *videodata = (SDL_VideoData *) _this->driverdata;
408 while (X11_Pending(data->display)) { 415 while (X11_Pending(data->display)) {
409 X11_DispatchEvent(_this); 416 X11_DispatchEvent(_this);
410 } 417 }
411 418
412 419
413 /* Process Touch events - TODO When X gets touch support, REMOVE THIS*/ 420 /* Process Touch events - TODO When X gets touch support, use that instead*/
414 421 int i = 0,rd;
422 char * name[256];
423 struct input_event ev[64];
424 int size = sizeof (struct input_event);
425 static int initd = 0; //TODO - HACK!
426 for(i = 0;i < SDL_GetNumTouch();++i) {
427 SDL_Touch* touch = SDL_GetTouchIndex(i);
428 if(!touch) printf("Touch %i/%i DNE\n",i,SDL_GetNumTouch());
429 EventTouchData* data;
430 if(!initd){//data->eventStream <= 0) {
431 touch->driverdata = SDL_malloc(sizeof(EventTouchData));
432 data = (EventTouchData*)(touch->driverdata);
433 printf("Openning device...\n");
434 data->eventStream = open("/dev/input/wacom-touch",
435 O_RDONLY | O_NONBLOCK);
436 ioctl (data->eventStream, EVIOCGNAME (sizeof (name)), name);
437 printf ("Reading From : %s\n", name);
438 initd = 1;
439 }
440 else
441 data = (EventTouchData*)(touch->driverdata);
442 if(data->eventStream <= 0)
443 printf("Error: Couldn't open stream\n");
444 rd = read(data->eventStream, ev, size * 64);
445 //printf("Got %i/%i bytes\n",rd,size);
446 if(rd >= size) {
447 for (i = 0; i < rd / sizeof(struct input_event); i++) {
448 switch (ev[i].type) {
449 case EV_ABS:
450 //printf("Got position x: %i!\n",data->x);
451 if(ev[i].code == ABS_X)
452 data->x = ev[i].value;
453 else if (ev[i].code == ABS_Y)
454 data->y = ev[i].value;
455 break;
456 case EV_MSC:
457 if(ev[i].code == MSC_SERIAL)
458 data->finger = ev[i].value;
459 break;
460 case EV_SYN:
461 data->finger -= 1; /*Wacom indexes fingers from 1,
462 I index from 0*/
463 if(data->x >= 0 || data->y >= 0)
464 SDL_SendTouchMotion(touch->id,data->finger,
465 SDL_FALSE,data->x,data->y,
466 data->pressure);
467
468 //printf("Synched: %i tx: %i, ty: %i\n",
469 // data->finger,data->x,data->y);
470 data->x = -1;
471 data->y = -1;
472 data->pressure = -1;
473
474 break;
475 }
476 }
477 }
478 }
415 } 479 }
416 480
417 /* This is so wrong it hurts */ 481 /* This is so wrong it hurts */
418 #define GNOME_SCREENSAVER_HACK 482 #define GNOME_SCREENSAVER_HACK
419 #ifdef GNOME_SCREENSAVER_HACK 483 #ifdef GNOME_SCREENSAVER_HACK