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Flesh out touch events and add demo

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This commit is contained in:
Drew DeVault 2017-06-14 14:50:09 -04:00
parent d6905f86cb
commit 3f24f8a1be
9 changed files with 356 additions and 8 deletions
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15
backend/libinput/events.c
View file

@ -139,6 +139,21 @@ void wlr_libinput_event(struct wlr_backend_state *state,
case LIBINPUT_EVENT_POINTER_AXIS:
handle_pointer_axis(event, device);
break;
case LIBINPUT_EVENT_TOUCH_DOWN:
handle_touch_down(event, device);
break;
case LIBINPUT_EVENT_TOUCH_UP:
handle_touch_up(event, device);
break;
case LIBINPUT_EVENT_TOUCH_MOTION:
handle_touch_motion(event, device);
break;
case LIBINPUT_EVENT_TOUCH_CANCEL:
handle_touch_cancel(event, device);
break;
case LIBINPUT_EVENT_TOUCH_FRAME:
// no-op (at least for now)
break;
default:
wlr_log(L_DEBUG, "Unknown libinput event %d", event_type);
break;

78
backend/libinput/touch.c
View file

@ -13,3 +13,81 @@ struct wlr_touch *wlr_libinput_touch_create(
assert(device);
return wlr_touch_create(NULL, NULL);
}
void handle_touch_down(struct libinput_event *event,
struct libinput_device *device) {
struct wlr_input_device *dev =
get_appropriate_device(WLR_INPUT_DEVICE_TOUCH, device);
if (!dev) {
wlr_log(L_DEBUG, "Got a touch event for a device with no touch?");
return;
}
struct libinput_event_touch *tevent =
libinput_event_get_touch_event(event);
struct wlr_touch_down *wlr_event =
calloc(1, sizeof(struct wlr_touch_down));
wlr_event->time_sec = libinput_event_touch_get_time(tevent);
wlr_event->time_usec = libinput_event_touch_get_time_usec(tevent);
wlr_event->slot = libinput_event_touch_get_slot(tevent);
wlr_event->x_mm = libinput_event_touch_get_x(tevent);
wlr_event->y_mm = libinput_event_touch_get_y(tevent);
libinput_device_get_size(device, &wlr_event->width_mm, &wlr_event->height_mm);
wl_signal_emit(&dev->touch->events.down, wlr_event);
}
void handle_touch_up(struct libinput_event *event,
struct libinput_device *device) {
struct wlr_input_device *dev =
get_appropriate_device(WLR_INPUT_DEVICE_TOUCH, device);
if (!dev) {
wlr_log(L_DEBUG, "Got a touch event for a device with no touch?");
return;
}
struct libinput_event_touch *tevent =
libinput_event_get_touch_event(event);
struct wlr_touch_up *wlr_event =
calloc(1, sizeof(struct wlr_touch_up));
wlr_event->time_sec = libinput_event_touch_get_time(tevent);
wlr_event->time_usec = libinput_event_touch_get_time_usec(tevent);
wlr_event->slot = libinput_event_touch_get_slot(tevent);
wl_signal_emit(&dev->touch->events.up, wlr_event);
}
void handle_touch_motion(struct libinput_event *event,
struct libinput_device *device) {
struct wlr_input_device *dev =
get_appropriate_device(WLR_INPUT_DEVICE_TOUCH, device);
if (!dev) {
wlr_log(L_DEBUG, "Got a touch event for a device with no touch?");
return;
}
struct libinput_event_touch *tevent =
libinput_event_get_touch_event(event);
struct wlr_touch_motion *wlr_event =
calloc(1, sizeof(struct wlr_touch_motion));
wlr_event->time_sec = libinput_event_touch_get_time(tevent);
wlr_event->time_usec = libinput_event_touch_get_time_usec(tevent);
wlr_event->slot = libinput_event_touch_get_slot(tevent);
wlr_event->x_mm = libinput_event_touch_get_x(tevent);
wlr_event->y_mm = libinput_event_touch_get_y(tevent);
libinput_device_get_size(device, &wlr_event->width_mm, &wlr_event->height_mm);
wl_signal_emit(&dev->touch->events.motion, wlr_event);
}
void handle_touch_cancel(struct libinput_event *event,
struct libinput_device *device) {
struct wlr_input_device *dev =
get_appropriate_device(WLR_INPUT_DEVICE_TOUCH, device);
if (!dev) {
wlr_log(L_DEBUG, "Got a touch event for a device with no touch?");
return;
}
struct libinput_event_touch *tevent =
libinput_event_get_touch_event(event);
struct wlr_touch_cancel *wlr_event =
calloc(1, sizeof(struct wlr_touch_cancel));
wlr_event->time_sec = libinput_event_touch_get_time(tevent);
wlr_event->time_usec = libinput_event_touch_get_time_usec(tevent);
wlr_event->slot = libinput_event_touch_get_slot(tevent);
wl_signal_emit(&dev->touch->events.cancel, wlr_event);
}