base

src/absinthe-toplevel.c

@@ -0,0 +1,24 @@
+#include <wayland-server-core.h>
+
+#include "types.h"
+
+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) {
+        return NULL;
+    }
+
+    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;
+}