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xdg-popup: render above always-on-top

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Johan Malm 2023-05-20 08:58:42 +01:00 • committed by Johan Malm
parent f2c3f83041
commit 78aec7945c
3 changed files with 42 additions and 2 deletions
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9
include/labwc.h
View file

@ -254,7 +254,14 @@ struct server {
/* Tree for all non-layer xdg/xwayland-shell surfaces */
struct wlr_scene_tree *view_tree;
/* Tree for all non-layer xdg/xwayland-shell surfaces with always-on-top */
/*
* 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;
#if HAVE_XWAYLAND
/* Tree for unmanaged xsurfaces without initialized view (usually popups) */

23
src/server.c
View file

@ -285,8 +285,31 @@ server_init(struct server *server)
wlr_log(WLR_ERROR, "unable to create scene");
exit(EXIT_FAILURE);
}
/*
* The order in which the scene-trees below are created determines the
* z-order for nodes which cover the whole work-area. For per-output
* scene-trees, see new_output_notify() in src/output.c
*
* | Type | Scene Tree | Per Output | Example
* | ----------------- | ---------------- | ---------- | -------
* | ext-session | lock-screen | Yes | swaylock
* | layer-shell | layer-popups | Yes |
* | layer-shell | overlay-layer | Yes |
* | layer-shell | top-layer | Yes | waybar
* | server | labwc-menus | No |
* | xwayland-OR | unmanaged | No | dmenu
* | xdg-popups | xdg-popups | No |
* | toplevels windows | always-on-top | No |
* | toplevels windows | normal | No | firefox
* | toplevels windows | always-on-bottom | No | pcmanfm-qt --desktop
* | layer-shell | bottom-layer | Yes | waybar
* | layer-shell | background-layer | Yes | swaybg
*/
server->view_tree = wlr_scene_tree_create(&server->scene->tree);
server->view_tree_always_on_top = wlr_scene_tree_create(&server->scene->tree);
server->xdg_popup_tree = wlr_scene_tree_create(&server->scene->tree);
#if HAVE_XWAYLAND
server->unmanaged_tree = wlr_scene_tree_create(&server->scene->tree);
#endif

12
src/xdg-popup.c
View file

@ -85,8 +85,18 @@ xdg_popup_create(struct view *view, struct wlr_xdg_popup *wlr_popup)
* provide the proper parent scene node of the xdg popup. To enable
* this, we always set the user data field of xdg_surfaces to the
* corresponding scene node.
*
* xdg-popups live in server->xdg_popup_tree so that they can be
* rendered above always-on-top windows
*/
struct wlr_scene_tree *parent_tree = parent->surface->data;
struct wlr_scene_tree *parent_tree = NULL;
if (parent->role == WLR_XDG_SURFACE_ROLE_POPUP) {
parent_tree = parent->surface->data;
} else {
parent_tree = view->server->xdg_popup_tree;
wlr_scene_node_set_position(&view->server->xdg_popup_tree->node,
view->current.x, view->current.y);
}
wlr_popup->base->surface->data =
wlr_scene_xdg_surface_create(parent_tree, wlr_popup->base);
node_descriptor_create(wlr_popup->base->surface->data,