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				https://gitlab.freedesktop.org/wlroots/wlroots.git
				synced 2025-11-02 09:01:38 -05:00 
			
		
		
		
	All instances of libinput_event_touch_get_slot need to be converted to libinput_event_touch_get_seat_slot for things to work.
		
			
				
	
	
		
			97 lines
		
	
	
	
		
			3.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			97 lines
		
	
	
	
		
			3.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
#include <assert.h>
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#include <libinput.h>
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#include <stdlib.h>
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#include <wlr/backend/session.h>
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#include <wlr/interfaces/wlr_touch.h>
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#include <wlr/types/wlr_input_device.h>
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#include <wlr/util/log.h>
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#include "backend/libinput.h"
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#include "util/signal.h"
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struct wlr_touch *create_libinput_touch(
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		struct libinput_device *libinput_dev) {
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	assert(libinput_dev);
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	struct wlr_touch *wlr_touch = calloc(1, sizeof(struct wlr_touch));
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	if (!wlr_touch) {
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		wlr_log(WLR_ERROR, "Unable to allocate wlr_touch");
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		return NULL;
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	}
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	wlr_touch_init(wlr_touch, NULL);
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	return wlr_touch;
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}
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void handle_touch_down(struct libinput_event *event,
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		struct libinput_device *libinput_dev) {
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	struct wlr_input_device *wlr_dev =
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		get_appropriate_device(WLR_INPUT_DEVICE_TOUCH, libinput_dev);
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	if (!wlr_dev) {
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		wlr_log(WLR_DEBUG, "Got a touch event for a device with no touch?");
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		return;
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	}
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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_event_touch_down wlr_event = { 0 };
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	wlr_event.device = wlr_dev;
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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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	wlr_signal_emit_safe(&wlr_dev->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 libinput_device *libinput_dev) {
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	struct wlr_input_device *wlr_dev =
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		get_appropriate_device(WLR_INPUT_DEVICE_TOUCH, libinput_dev);
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	if (!wlr_dev) {
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		wlr_log(WLR_DEBUG, "Got a touch event for a device with no touch?");
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		return;
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	}
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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_event_touch_up wlr_event = { 0 };
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	wlr_event.device = wlr_dev;
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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_signal_emit_safe(&wlr_dev->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 libinput_device *libinput_dev) {
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	struct wlr_input_device *wlr_dev =
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		get_appropriate_device(WLR_INPUT_DEVICE_TOUCH, libinput_dev);
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	if (!wlr_dev) {
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		wlr_log(WLR_DEBUG, "Got a touch event for a device with no touch?");
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		return;
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	}
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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_event_touch_motion wlr_event = { 0 };
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	wlr_event.device = wlr_dev;
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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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	wlr_signal_emit_safe(&wlr_dev->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 libinput_device *libinput_dev) {
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	struct wlr_input_device *wlr_dev =
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		get_appropriate_device(WLR_INPUT_DEVICE_TOUCH, libinput_dev);
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	if (!wlr_dev) {
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		wlr_log(WLR_DEBUG, "Got a touch event for a device with no touch?");
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		return;
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	}
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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_event_touch_cancel wlr_event = { 0 };
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	wlr_event.device = wlr_dev;
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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_signal_emit_safe(&wlr_dev->touch->events.cancel, &wlr_event);
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}
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