resize on border

src/absinthe-toplevel.c

@@ -7,22 +7,31 @@
 struct absinthe_toplevel *absinthe_toplevel_at(struct absinthe_server *server, double lx, double ly, struct wlr_surface **surface, double *sx, double *sy)
 {
     struct wlr_scene_node *node = wlr_scene_node_at(&server->scene->tree.node, lx, ly, sx, sy);
-    if (!node || node->type != WLR_SCENE_NODE_BUFFER) {
+    if (!node) {
         return NULL;
     }
 
-    struct wlr_scene_buffer *scene_buffer = wlr_scene_buffer_from_node(node);
+    switch (node->type) {
-    struct wlr_scene_surface *scene_surface = wlr_scene_surface_try_from_buffer(scene_buffer);
+    case WLR_SCENE_NODE_BUFFER:
-    if (!scene_surface) {
+        struct wlr_scene_buffer *scene_buffer = wlr_scene_buffer_from_node(node);
+        struct wlr_scene_surface *scene_surface = wlr_scene_surface_try_from_buffer(scene_buffer);
+        if (!scene_surface) {
+            return NULL;
+        }
+
+        *surface = scene_surface->surface;
+        struct wlr_scene_tree *tree = node->parent;
+        while (tree != NULL && tree->node.data == NULL) {
+            tree = tree->node.parent;
+        }
+        return tree->node.data;
+        break;
+    case WLR_SCENE_NODE_RECT:
+        return node->data;        
+        break;
+    default:
         return NULL;
     }
-
-    *surface = scene_surface->surface;
-    struct wlr_scene_tree *tree = node->parent;
-    while (tree != NULL && tree->node.data == NULL) {
-        tree = tree->node.parent;
-    }
-    return tree->node.data;
 }
 
 void absinthe_toplevel_set_position(struct absinthe_toplevel *toplevel, int32_t x, int32_t y)