change output layout coords to double type

examples/output-layout.c

@@ -49,8 +49,8 @@ static void handle_output_frame(struct output_state *output, struct timespec *ts
 		float matrix[16];
 
 		// transform global coordinates to local coordinates
-		int local_x = sample->x_offs;
+		double local_x = sample->x_offs;
-		int local_y = sample->y_offs;
+		double local_y = sample->y_offs;
 		wlr_output_layout_output_coords(sample->layout, output->output, &local_x,
 				&local_y);
 

include/wlr/types/wlr_output_layout.h

@@ -38,7 +38,7 @@ void wlr_output_layout_remove(struct wlr_output_layout *layout,
  * coordinates relative to the given reference output.
  */
 void wlr_output_layout_output_coords(struct wlr_output_layout *layout,
-		struct wlr_output *reference, int *x, int *y);
+		struct wlr_output *reference, double *x, double *y);
 
 bool wlr_output_layout_contains_point(struct wlr_output_layout *layout,
 		struct wlr_output *reference, int x, int y);

types/wlr_cursor.c

@@ -82,10 +82,9 @@ bool wlr_cursor_warp(struct wlr_cursor *cur, double x, double y) {
 
 	struct wlr_output_layout_output *l_output;
 	wl_list_for_each(l_output, &cur->state->layout->outputs, link) {
-		int output_x = x;
+		double output_x = x;
-		int output_y = y;
+		double output_y = y;
 
-		// TODO fix double to int rounding issues
 		wlr_output_layout_output_coords(cur->state->layout,
 			l_output->output, &output_x, &output_y);
 		wlr_output_move_cursor(l_output->output, output_x - hotspot_x,

types/wlr_output_layout.c

@@ -113,16 +113,16 @@ void wlr_output_layout_remove(struct wlr_output_layout *layout,
 }
 
 void wlr_output_layout_output_coords(struct wlr_output_layout *layout,
-		struct wlr_output *reference, int *x, int *y) {
+		struct wlr_output *reference, double *x, double *y) {
 	assert(layout && reference);
-	int src_x = *x;
+	double src_x = *x;
-	int src_y = *y;
+	double src_y = *y;
 
 	struct wlr_output_layout_output *_output;
 	wl_list_for_each(_output, &layout->outputs, link) {
 		if (_output->output == reference) {
-			*x = src_x - _output->x;
+			*x = src_x - (double)_output->x;
-			*y = src_y - _output->y;
+			*y = src_y - (double)_output->y;
 			return;
 		}
 	}