Merge branch 'master' into xwayland-dnd

1 files changed, 27 insertions, 0 deletions

diff --git a/rootston/layer_shell.c b/rootston/layer_shell.c
index d3a91659..1cd93b3c 100644
--- a/rootston/layer_shell.c
+++ b/rootston/layer_shell.c
@@ -192,6 +192,33 @@ void arrange_layers(struct roots_output *output) {
 	arrange_layer(output->wlr_output,
 			&output->layers[ZWLR_LAYER_SHELL_V1_LAYER_BACKGROUND],
 			&usable_area, false);
+
+	// Find topmost keyboard interactive layer, if such a layer exists
+	uint32_t layers_above_shell[] = {
+		ZWLR_LAYER_SHELL_V1_LAYER_OVERLAY,
+		ZWLR_LAYER_SHELL_V1_LAYER_TOP,
+	};
+	size_t nlayers = sizeof(layers_above_shell) / sizeof(layers_above_shell[0]);
+	struct roots_layer_surface *layer, *topmost = NULL;
+	for (size_t i = 0; i < nlayers; ++i) {
+		wl_list_for_each_reverse(layer,
+				&output->layers[layers_above_shell[i]], link) {
+			if (layer->layer_surface->current.keyboard_interactive) {
+				topmost = layer;
+				break;
+			}
+		}
+		if (topmost != NULL) {
+			break;
+		}
+	}
+
+	struct roots_input *input = output->desktop->server->input;
+	struct roots_seat *seat;
+	wl_list_for_each(seat, &input->seats, link) {
+		roots_seat_set_focus_layer(seat,
+				topmost ? topmost->layer_surface : NULL);
+	}
 }
 
 static void handle_output_destroy(struct wl_listener *listener, void *data) {