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view: decouple always-on-top windows from the omnipresent state

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Before this commit, always-on-{top,bottom} windows were always visible
on all workspaces (omnipresent) because the they were not in
per-workspace trees like normal windows.

This commit fixes this by introducing per-layer trees in
`struct workspace`.

I also added `enum view_layer` and `view->layer` for simplicity.
This commit is contained in:
tokyo4j 2026-02-03 19:18:53 +09:00 • committed by Hiroaki Yamamoto
parent 155c153658
commit a2eae22fc2
11 changed files with 85 additions and 96 deletions
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6
include/labwc.h
View file

@ -224,17 +224,13 @@ struct server {
struct ssd_button *hovered_button;
/* Tree for all non-layer xdg/xwayland-shell surfaces */
struct wlr_scene_tree *view_tree;
struct wlr_scene_tree *workspace_tree;
/*
* Popups need to be rendered above always-on-top views, so we reparent
* them to this dedicated tree
*/
struct wlr_scene_tree *xdg_popup_tree;
/* Tree for all non-layer xdg/xwayland-shell surfaces with always-on-top/below */
struct wlr_scene_tree *view_tree_always_on_top;
struct wlr_scene_tree *view_tree_always_on_bottom;
#if HAVE_XWAYLAND
/* Tree for unmanaged xsurfaces without initialized view (usually popups) */
struct wlr_scene_tree *unmanaged_tree;