mirror of
				https://gitlab.freedesktop.org/wlroots/wlroots.git
				synced 2025-11-03 09:01:40 -05:00 
			
		
		
		
	These aren't super useful without the bus type. Compositors can fish back this information from the libinput device if they want to. Closes: https://gitlab.freedesktop.org/wlroots/wlroots/-/issues/3818
		
			
				
	
	
		
			83 lines
		
	
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			83 lines
		
	
	
	
		
			2.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
#include <assert.h>
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#include <libinput.h>
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#include <wlr/interfaces/wlr_touch.h>
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#include "backend/libinput.h"
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const struct wlr_touch_impl libinput_touch_impl = {
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	.name = "libinput-touch",
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};
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void init_device_touch(struct wlr_libinput_input_device *dev) {
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	const char *name = get_libinput_device_name(dev->handle);
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	struct wlr_touch *wlr_touch = &dev->touch;
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	wlr_touch_init(wlr_touch, &libinput_touch_impl, name);
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	libinput_device_get_size(dev->handle, &wlr_touch->width_mm,
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		&wlr_touch->height_mm);
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}
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struct wlr_libinput_input_device *device_from_touch(
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		struct wlr_touch *wlr_touch) {
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	assert(wlr_touch->impl == &libinput_touch_impl);
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	struct wlr_libinput_input_device *dev =
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		wl_container_of(wlr_touch, dev, touch);
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	return dev;
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}
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void handle_touch_down(struct libinput_event *event,
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		struct wlr_touch *touch) {
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	struct libinput_event_touch *tevent =
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		libinput_event_get_touch_event(event);
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	struct wlr_touch_down_event wlr_event = { 0 };
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	wlr_event.touch = touch;
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	wlr_event.time_msec =
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		usec_to_msec(libinput_event_touch_get_time_usec(tevent));
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	wlr_event.touch_id = libinput_event_touch_get_seat_slot(tevent);
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	wlr_event.x = libinput_event_touch_get_x_transformed(tevent, 1);
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	wlr_event.y = libinput_event_touch_get_y_transformed(tevent, 1);
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	wl_signal_emit_mutable(&touch->events.down, &wlr_event);
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}
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void handle_touch_up(struct libinput_event *event,
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		struct wlr_touch *touch) {
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	struct libinput_event_touch *tevent =
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		libinput_event_get_touch_event(event);
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	struct wlr_touch_up_event wlr_event = {
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		.touch = touch,
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		.time_msec = usec_to_msec(libinput_event_touch_get_time_usec(tevent)),
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		.touch_id = libinput_event_touch_get_seat_slot(tevent),
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	};
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	wl_signal_emit_mutable(&touch->events.up, &wlr_event);
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}
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void handle_touch_motion(struct libinput_event *event,
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		struct wlr_touch *touch) {
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	struct libinput_event_touch *tevent =
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		libinput_event_get_touch_event(event);
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	struct wlr_touch_motion_event wlr_event = {
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		.touch = touch,
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		.time_msec = usec_to_msec(libinput_event_touch_get_time_usec(tevent)),
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		.touch_id = libinput_event_touch_get_seat_slot(tevent),
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		.x = libinput_event_touch_get_x_transformed(tevent, 1),
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		.y = libinput_event_touch_get_y_transformed(tevent, 1),
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	};
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	wl_signal_emit_mutable(&touch->events.motion, &wlr_event);
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}
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void handle_touch_cancel(struct libinput_event *event,
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		struct wlr_touch *touch) {
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	struct libinput_event_touch *tevent =
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		libinput_event_get_touch_event(event);
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	struct wlr_touch_cancel_event wlr_event = {
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		.touch = touch,
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		.time_msec = usec_to_msec(libinput_event_touch_get_time_usec(tevent)),
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		.touch_id = libinput_event_touch_get_seat_slot(tevent),
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	};
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	wl_signal_emit_mutable(&touch->events.cancel, &wlr_event);
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}
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void handle_touch_frame(struct libinput_event *event,
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		struct wlr_touch *touch) {
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	wl_signal_emit_mutable(&touch->events.frame, NULL);
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}
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