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layer-shell: Restore interactive layer focus code

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Commit 188811f808 ("scene_graph: Port layer_shell") accidentally
removed code in `arrange_layers` to handle focus on layer shell
surfaces with keyboard interactivity.

Due to this, layer shell surfaces requesting exclusive keyboard
interactivity may not get automatically focused, and layer shell
surfaces giving up exclusive keyboard interactivity can remain focused.

Add the previous code back to fix the problem.

Note the non-rename change included in b4d7e84d38 ("desktop: Rename
layers to shell_layers") is not included as it also seems accidental.

Fixes: #7936
(cherry picked from commit 4d4c88f0a7)
This commit is contained in:
Joan Bruguera Micó 2024-07-20 22:34:01 +00:00 committed by Simon Ser
parent 19ca790a9f
commit 100f92a189
1 changed files with 37 additions and 0 deletions
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37
sway/desktop/layer_shell.c
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@ -90,6 +90,43 @@ void arrange_layers(struct sway_output *output) {
} else {
arrange_popups(root->layers.popup);
}
// Find topmost keyboard interactive layer, if such a layer exists
struct wlr_scene_tree *layers_above_shell[] = {
output->layers.shell_overlay,
output->layers.shell_top,
};
size_t nlayers = sizeof(layers_above_shell) / sizeof(layers_above_shell[0]);
struct wlr_scene_node *node;
struct sway_layer_surface *topmost = NULL;
for (size_t i = 0; i < nlayers; ++i) {
wl_list_for_each_reverse(node,
&layers_above_shell[i]->children, link) {
struct sway_layer_surface *surface = scene_descriptor_try_get(node,
SWAY_SCENE_DESC_LAYER_SHELL);
if (surface && surface->layer_surface->current.keyboard_interactive
== ZWLR_LAYER_SURFACE_V1_KEYBOARD_INTERACTIVITY_EXCLUSIVE &&
surface->layer_surface->surface->mapped) {
topmost = surface;
break;
}
}
if (topmost != NULL) {
break;
}
}
struct sway_seat *seat;
wl_list_for_each(seat, &server.input->seats, link) {
seat->has_exclusive_layer = false;
if (topmost != NULL) {
seat_set_focus_layer(seat, topmost->layer_surface);
} else if (seat->focused_layer &&
seat->focused_layer->current.keyboard_interactive
!= ZWLR_LAYER_SURFACE_V1_KEYBOARD_INTERACTIVITY_EXCLUSIVE) {
seat_set_focus_layer(seat, NULL);
}
}
}
static struct wlr_scene_tree *sway_layer_get_scene(struct sway_output *output,