rootston: Let layer_surface_at look at popups

This allows them to receive input as well.

1 files changed, 18 insertions, 5 deletions

diff --git a/rootston/desktop.c b/rootston/desktop.c
index 0949b5db..6ac665bc 100644
--- a/rootston/desktop.c
+++ b/rootston/desktop.c
@@ -641,11 +641,24 @@ static struct wlr_surface *layer_surface_at(struct roots_output *output,
 		struct wl_list *layer, double ox, double oy, double *sx, double *sy) {
 	struct roots_layer_surface *roots_surface;
 	wl_list_for_each_reverse(roots_surface, layer, link) {
-		struct wlr_surface *wlr_surface =
-			roots_surface->layer_surface->surface;
-		double _sx = ox - roots_surface->geo.x;
-		double _sy = oy - roots_surface->geo.y;
-		// TODO: Test popups/subsurfaces
+		struct wlr_surface *wlr_surface;
+		double _sx, _sy;
+		struct wlr_xdg_popup *popup;
+		wl_list_for_each(popup, &roots_surface->layer_surface->popups, link) {
+			wlr_surface = popup->base->surface;
+			 _sx = ox - roots_surface->geo.x - popup->geometry.x;
+			 _sy = oy - roots_surface->geo.y - popup->geometry.y;
+			if (wlr_surface_point_accepts_input(wlr_surface, _sx, _sy)) {
+				*sx = _sx;
+				*sy = _sy;
+				return wlr_surface;
+			}
+			// TODO: popups can have popups
+		}
+		// TODO: Test subsurfaces
+		wlr_surface = roots_surface->layer_surface->surface;
+		 _sx = ox - roots_surface->geo.x;
+		 _sy = oy - roots_surface->geo.y;
 		if (wlr_surface_point_accepts_input(wlr_surface, _sx, _sy)) {
 			*sx = _sx;
 			*sy = _sy;