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scene: add wlr_scene_node_toggle

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This allows compositors to easily enable or disable a scene-graph node.
This can be used to show/hide a surface when the xdg_surface is
mapped/unmapped.
This commit is contained in:
Simon Ser 2020-05-06 16:16:45 +02:00
parent f686fbd0c6
commit 7e9ad9a67b
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2 changed files with 17 additions and 0 deletions
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7
include/wlr/types/wlr_scene.h
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@ -32,6 +32,7 @@ struct wlr_scene_node_state {
struct wl_list children; // wlr_scene_node_state.link
bool enabled;
int x, y;
};
@ -66,6 +67,12 @@ void wlr_scene_node_destroy(struct wlr_scene_node *node);
* Atomically apply pending changes for this node and all of its children.
*/
void wlr_scene_node_commit(struct wlr_scene_node *node);
/**
* Enable or disable this node. If a node is disabled, all of its children are
* implicitly disabled as well. This state is double-buffered, see
* wlr_scene_node_commit.
*/
void wlr_scene_node_toggle(struct wlr_scene_node *node, bool enabled);
/**
* Set the position of the node relative to its parent. This state is
* double-buffered, see wlr_scene_node_commit.