From aa739b6a833370263d721ec89a7fa203e19f690d Mon Sep 17 00:00:00 2001 From: Isaac Freund Date: Wed, 13 Oct 2021 16:11:54 +0200 Subject: scene: add functions to place node on top/bottom These are very common operations for compositors (including tinywl) to perform. --- wlr_scene.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/wlr_scene.c b/wlr_scene.c index 2dc2924..be44bcc 100644 --- a/wlr_scene.c +++ b/wlr_scene.c @@ -470,6 +470,24 @@ void wlr_scene_node_place_below(struct wlr_scene_node *node, scene_node_damage_whole(sibling); } +void wlr_scene_node_raise_to_top(struct wlr_scene_node *node) { + struct wlr_scene_node *current_top = wl_container_of( + node->parent->state.children.prev, current_top, state.link); + if (node == current_top) { + return; + } + wlr_scene_node_place_above(node, current_top); +} + +void wlr_scene_node_lower_to_bottom(struct wlr_scene_node *node) { + struct wlr_scene_node *current_bottom = wl_container_of( + node->parent->state.children.prev, current_bottom, state.link); + if (node == current_bottom) { + return; + } + wlr_scene_node_place_below(node, current_bottom); +} + void wlr_scene_node_reparent(struct wlr_scene_node *node, struct wlr_scene_node *new_parent) { assert(node->type != WLR_SCENE_NODE_ROOT && new_parent != NULL); -- cgit v1.2.3