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				synced 2025-11-03 09:01:40 -05:00 
			
		
		
		
	Fix pointer events with multiple outputs in wayland backend
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					 3 changed files with 48 additions and 7 deletions
				
			
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					@ -1,6 +1,7 @@
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#include <stdlib.h>
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					#include <stdlib.h>
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#include <stdint.h>
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					#include <stdint.h>
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#include <assert.h>
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					#include <assert.h>
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					#include <limits.h>
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#include <EGL/egl.h>
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					#include <EGL/egl.h>
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#include <EGL/eglext.h>
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					#include <EGL/eglext.h>
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#include <wayland-server.h>
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					#include <wayland-server.h>
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					@ -117,6 +118,38 @@ struct wlr_wl_backend_output *wlr_wl_output_for_surface(
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	return NULL;
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						return NULL;
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}
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					}
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					void wlr_wl_output_layout_get_box(struct wlr_wl_backend *backend,
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							struct wlr_box *box) {
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						int min_x = INT_MAX, min_y = INT_MAX;
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						int max_x = INT_MIN, max_y = INT_MIN;
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						struct wlr_wl_backend_output *output;
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						wl_list_for_each(output, &backend->outputs, link) {
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							struct wlr_output *wlr_output = &output->wlr_output;
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							int width, height;
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							wlr_output_effective_resolution(wlr_output, &width, &height);
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							if (wlr_output->lx < min_x) {
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								min_x = wlr_output->lx;
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							}
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							if (wlr_output->ly < min_y) {
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								min_y = wlr_output->ly;
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							}
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							if (wlr_output->lx + width > max_x) {
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								max_x = wlr_output->lx + width;
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							}
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							if (wlr_output->ly + height > max_y) {
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								max_y = wlr_output->ly + height;
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							}
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						}
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						box->x = min_x;
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						box->y = min_y;
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						box->width = max_x - min_x;
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						box->height = max_y - min_y;
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					}
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struct wlr_backend *wlr_wl_backend_create(struct wl_display *display) {
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					struct wlr_backend *wlr_wl_backend_create(struct wl_display *display) {
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	wlr_log(L_INFO, "Creating wayland backend");
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						wlr_log(L_INFO, "Creating wayland backend");
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					@ -52,23 +52,28 @@ static void pointer_handle_motion(void *data, struct wl_pointer *wl_pointer,
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		return;
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							return;
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	}
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						}
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						struct wlr_output *wlr_output = &wlr_wl_pointer->current_output->wlr_output;
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	struct wlr_box box;
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						struct wlr_box box;
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	wl_egl_window_get_attached_size(wlr_wl_pointer->current_output->egl_window,
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						wl_egl_window_get_attached_size(wlr_wl_pointer->current_output->egl_window,
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		&box.width, &box.height);
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							&box.width, &box.height);
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	box.x = wl_fixed_to_int(surface_x);
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						box.x = wl_fixed_to_int(surface_x);
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	box.y = wl_fixed_to_int(surface_y);
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						box.y = wl_fixed_to_int(surface_y);
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	struct wlr_box transformed;
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						struct wlr_box transformed;
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	wlr_output_transform_apply_to_box(
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						wlr_output_transform_apply_to_box(wlr_output->transform, &box, &transformed);
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		wlr_wl_pointer->current_output->wlr_output.transform, &box,
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						box.x /= wlr_output->scale;
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		&transformed);
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						box.y /= wlr_output->scale;
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						struct wlr_box layout_box;
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						wlr_wl_output_layout_get_box(wlr_wl_pointer->current_output->backend, &layout_box);
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	struct wlr_event_pointer_motion_absolute wlr_event;
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						struct wlr_event_pointer_motion_absolute wlr_event;
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	wlr_event.device = dev;
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						wlr_event.device = dev;
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	wlr_event.time_msec = time;
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						wlr_event.time_msec = time;
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	wlr_event.width_mm = transformed.width;
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						wlr_event.width_mm = layout_box.width;
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	wlr_event.height_mm = transformed.height;
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						wlr_event.height_mm = layout_box.height;
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	wlr_event.x_mm = transformed.x;
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						wlr_event.x_mm = transformed.x + wlr_output->lx + layout_box.x;
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	wlr_event.y_mm = transformed.y;
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						wlr_event.y_mm = transformed.y + wlr_output->ly + layout_box.y;
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	wl_signal_emit(&dev->pointer->events.motion_absolute, &wlr_event);
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						wl_signal_emit(&dev->pointer->events.motion_absolute, &wlr_event);
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}
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					}
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					@ -7,6 +7,7 @@
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#include <wayland-egl.h>
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					#include <wayland-egl.h>
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#include <wlr/render/egl.h>
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					#include <wlr/render/egl.h>
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#include <wlr/backend/wayland.h>
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					#include <wlr/backend/wayland.h>
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					#include <wlr/types/wlr_box.h>
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#include <wlr/types/wlr_output.h>
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					#include <wlr/types/wlr_output.h>
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#include <wlr/types/wlr_input_device.h>
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					#include <wlr/types/wlr_input_device.h>
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#include <wayland-util.h>
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					#include <wayland-util.h>
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					@ -75,6 +76,8 @@ void wlr_wl_registry_poll(struct wlr_wl_backend *backend);
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void wlr_wl_output_update_cursor(struct wlr_wl_backend_output *output);
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					void wlr_wl_output_update_cursor(struct wlr_wl_backend_output *output);
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struct wlr_wl_backend_output *wlr_wl_output_for_surface(
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					struct wlr_wl_backend_output *wlr_wl_output_for_surface(
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		struct wlr_wl_backend *backend, struct wl_surface *surface);
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							struct wlr_wl_backend *backend, struct wl_surface *surface);
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					void wlr_wl_output_layout_get_box(struct wlr_wl_backend *backend,
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							struct wlr_box *box);
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extern const struct wl_seat_listener seat_listener;
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					extern const struct wl_seat_listener seat_listener;
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