From 420a669f214a948bb4e47de1cca7ea02014b5251 Mon Sep 17 00:00:00 2001
From: Drew DeVault <sir@cmpwn.com>
Date: Sun, 22 Apr 2018 19:27:34 +0200
Subject: Updates per swaywm/wlroots#887

---
 sway/desktop/layer_shell.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

(limited to 'sway/desktop/layer_shell.c')

diff --git a/sway/desktop/layer_shell.c b/sway/desktop/layer_shell.c
index f841e5f1..f9a1a8bd 100644
--- a/sway/desktop/layer_shell.c
+++ b/sway/desktop/layer_shell.c
@@ -13,6 +13,7 @@
 #include "sway/output.h"
 #include "sway/server.h"
 #include "sway/tree/layout.h"
+#include "log.h"
 
 static void apply_exclusive(struct wlr_box *usable_area,
 		uint32_t anchor, int32_t exclusive,
@@ -316,6 +317,27 @@ void handle_layer_shell_surface(struct wl_listener *listener, void *data) {
 		return;
 	}
 
+	if (!layer_surface->output) {
+		// Assign last active output
+		struct sway_container *output = NULL;
+		struct sway_seat *seat = input_manager_get_default_seat(input_manager);
+		if (seat) {
+			output = seat_get_focus_inactive(seat, &root_container);
+		}
+		if (!output) {
+			if (!sway_assert(root_container.children->length,
+						"cannot auto-assign output for layer")) {
+				wlr_layer_surface_close(layer_surface);
+				return;
+			}
+			output = root_container.children->items[0];
+		}
+		if (output->type != C_OUTPUT) {
+			output = container_parent(output, C_OUTPUT);
+		}
+		layer_surface->output = output->sway_output->wlr_output;
+	}
+
 	sway_layer->surface_commit.notify = handle_surface_commit;
 	wl_signal_add(&layer_surface->surface->events.commit,
 		&sway_layer->surface_commit);
-- 
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