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scene/layer_shell_v1: Add support for exclusive_edge

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The v5 layer shell interface allows the client to specify which edge the
exclusive zone will apply to, instead of deducing it from the anchor
points. Add support for this to the layer shell scene helper.
This commit is contained in:
Kenny Levinsen 2026-02-24 11:52:00 +01:00 • committed by Simon Ser
parent 2367d78c3c
commit 1ce992d7cb
1 changed files with 11 additions and 22 deletions
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33
types/scene/layer_shell_v1.c
View file

@ -1,6 +1,7 @@
#include <stdlib.h>
#include <wlr/types/wlr_scene.h>
#include <wlr/types/wlr_layer_shell_v1.h>
#include <wlr/util/edges.h>
static void scene_layer_surface_handle_tree_destroy(
struct wl_listener *listener, void *data) {
@ -21,36 +22,23 @@ static void scene_layer_surface_handle_layer_surface_destroy(
static void layer_surface_exclusive_zone(
struct wlr_layer_surface_v1_state *state,
enum wlr_edges edge,
struct wlr_box *usable_area) {
switch (state->anchor) {
case ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP:
case (ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP |
ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT |
ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT):
// Anchor top
switch (edge) {
case WLR_EDGE_NONE:
return;
case WLR_EDGE_TOP:
usable_area->y += state->exclusive_zone + state->margin.top;
usable_area->height -= state->exclusive_zone + state->margin.top;
break;
case ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM:
case (ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM |
ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT |
ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT):
// Anchor bottom
case WLR_EDGE_BOTTOM:
usable_area->height -= state->exclusive_zone + state->margin.bottom;
break;
case ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT:
case (ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP |
ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM |
ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT):
// Anchor left
case WLR_EDGE_LEFT:
usable_area->x += state->exclusive_zone + state->margin.left;
usable_area->width -= state->exclusive_zone + state->margin.left;
break;
case ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT:
case (ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP |
ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM |
ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT):
// Anchor right
case WLR_EDGE_RIGHT:
usable_area->width -= state->exclusive_zone + state->margin.right;
break;
}
@ -121,7 +109,8 @@ void wlr_scene_layer_surface_v1_configure(
wlr_layer_surface_v1_configure(layer_surface, box.width, box.height);
if (layer_surface->surface->mapped && state->exclusive_zone > 0) {
layer_surface_exclusive_zone(state, usable_area);
enum wlr_edges edge = wlr_layer_surface_v1_get_exclusive_edge(layer_surface);
layer_surface_exclusive_zone(state, edge, usable_area);
}
}