backend/{wayland,x11}: fix pointer coords for transformed outputs

1 files changed, 8 insertions, 2 deletions

diff --git a/backend/x11/input_device.c b/backend/x11/input_device.c
index 6e5ca592..f8b87630 100644
--- a/backend/x11/input_device.c
+++ b/backend/x11/input_device.c
@@ -33,14 +33,20 @@ static void x11_handle_pointer_position(struct wlr_x11_output *output,
 	struct wlr_x11_backend *x11 = output->x11;
 	struct wlr_output *wlr_output = &output->wlr_output;
 
+	struct wlr_box box = { .x = x, .y = y };
+	wlr_box_transform(&box, wlr_output->transform, wlr_output->width,
+		wlr_output->height, &box);
+	box.x /= wlr_output->scale;
+	box.y /= wlr_output->scale;
+
 	int output_width, output_height;
 	wlr_output_effective_resolution(wlr_output, &output_width, &output_height);
 
 	struct wlr_event_pointer_motion_absolute event = {
 		.device = &output->pointer_dev,
 		.time_msec = time,
-		.x = (double)x / output_width,
-		.y = (double)y / output_height,
+		.x = (double)box.x / output_width,
+		.y = (double)box.y / output_height,
 	};
 	wlr_signal_emit_safe(&output->pointer.events.motion_absolute, &event);