diff --git a/src/core/linux/SDL_evdev.c b/src/core/linux/SDL_evdev.c index d0b9ae2e2..c164a7bb0 100644 --- a/src/core/linux/SDL_evdev.c +++ b/src/core/linux/SDL_evdev.c @@ -272,6 +272,12 @@ SDL_EVDEV_Poll(void) position is sent in EV_ABS ABS_X/ABS_Y, switching to next finger after earlist is released) */ if (item->is_touchscreen && events[i].code == BTN_TOUCH) { + if (item->touchscreen_data->max_slots == 1) { + if (events[i].value) + item->touchscreen_data->slots[0].delta = EVDEV_TOUCH_SLOTDELTA_DOWN; + else + item->touchscreen_data->slots[0].delta = EVDEV_TOUCH_SLOTDELTA_UP; + } break; } @@ -328,14 +334,20 @@ SDL_EVDEV_Poll(void) } break; case ABS_X: - if (item->is_touchscreen) /* FIXME: temp hack */ - break; - SDL_SendMouseMotion(mouse->focus, mouse->mouseID, SDL_FALSE, events[i].value, mouse->y); + if (item->is_touchscreen) { + if (item->touchscreen_data->max_slots != 1) + break; + item->touchscreen_data->slots[0].x = events[i].value; + } else + SDL_SendMouseMotion(mouse->focus, mouse->mouseID, SDL_FALSE, events[i].value, mouse->y); break; case ABS_Y: - if (item->is_touchscreen) /* FIXME: temp hack */ - break; - SDL_SendMouseMotion(mouse->focus, mouse->mouseID, SDL_FALSE, mouse->x, events[i].value); + if (item->is_touchscreen) { + if (item->touchscreen_data->max_slots != 1) + break; + item->touchscreen_data->slots[0].y = events[i].value; + } else + SDL_SendMouseMotion(mouse->focus, mouse->mouseID, SDL_FALSE, mouse->x, events[i].value); break; default: break; @@ -444,6 +456,7 @@ static int SDL_EVDEV_init_touchscreen(SDL_evdevlist_item* item) { int ret, i; + unsigned long xreq, yreq; char name[64]; struct input_absinfo abs_info; @@ -466,7 +479,24 @@ SDL_EVDEV_init_touchscreen(SDL_evdevlist_item* item) return SDL_OutOfMemory(); } - ret = ioctl(item->fd, EVIOCGABS(ABS_MT_POSITION_X), &abs_info); + ret = ioctl(item->fd, EVIOCGABS(ABS_MT_SLOT), &abs_info); + if (ret < 0) { + SDL_free(item->touchscreen_data->name); + SDL_free(item->touchscreen_data); + return SDL_SetError("Failed to get evdev touchscreen limits"); + } + + if (abs_info.maximum == 0) { + item->touchscreen_data->max_slots = 1; + xreq = EVIOCGABS(ABS_X); + yreq = EVIOCGABS(ABS_Y); + } else { + item->touchscreen_data->max_slots = abs_info.maximum + 1; + xreq = EVIOCGABS(ABS_MT_POSITION_X); + yreq = EVIOCGABS(ABS_MT_POSITION_Y); + } + + ret = ioctl(item->fd, xreq, &abs_info); if (ret < 0) { SDL_free(item->touchscreen_data->name); SDL_free(item->touchscreen_data); @@ -476,7 +506,7 @@ SDL_EVDEV_init_touchscreen(SDL_evdevlist_item* item) item->touchscreen_data->max_x = abs_info.maximum; item->touchscreen_data->range_x = abs_info.maximum - abs_info.minimum; - ret = ioctl(item->fd, EVIOCGABS(ABS_MT_POSITION_Y), &abs_info); + ret = ioctl(item->fd, yreq, &abs_info); if (ret < 0) { SDL_free(item->touchscreen_data->name); SDL_free(item->touchscreen_data); @@ -496,14 +526,6 @@ SDL_EVDEV_init_touchscreen(SDL_evdevlist_item* item) item->touchscreen_data->max_pressure = abs_info.maximum; item->touchscreen_data->range_pressure = abs_info.maximum - abs_info.minimum; - ret = ioctl(item->fd, EVIOCGABS(ABS_MT_SLOT), &abs_info); - if (ret < 0) { - SDL_free(item->touchscreen_data->name); - SDL_free(item->touchscreen_data); - return SDL_SetError("Failed to get evdev touchscreen limits"); - } - item->touchscreen_data->max_slots = abs_info.maximum + 1; - item->touchscreen_data->slots = SDL_calloc( item->touchscreen_data->max_slots, sizeof(*item->touchscreen_data->slots));