From f478f4cc6663f9519281f08334f1f27e3182b022 Mon Sep 17 00:00:00 2001
From: Ronan Pigott <rpigott@berkeley.edu>
Date: Thu, 30 Jul 2020 16:31:52 -0700
Subject: [PATCH] view: implement foreign toplevel fullscreen request

---
 include/sway/tree/view.h |  1 +
 sway/tree/view.c         | 30 ++++++++++++++++++++++++++++++
 2 files changed, 31 insertions(+)

diff --git a/include/sway/tree/view.h b/include/sway/tree/view.h
index a32f5907c..58722dbd2 100644
--- a/include/sway/tree/view.h
+++ b/include/sway/tree/view.h
@@ -99,6 +99,7 @@ struct sway_view {
 
 	struct wlr_foreign_toplevel_handle_v1 *foreign_toplevel;
 	struct wl_listener foreign_activate_request;
+	struct wl_listener foreign_fullscreen_request;
 	struct wl_listener foreign_close_request;
 
 	bool destroying;
diff --git a/sway/tree/view.c b/sway/tree/view.c
index 2353feffd..b1837242f 100644
--- a/sway/tree/view.c
+++ b/sway/tree/view.c
@@ -636,6 +636,33 @@ static void handle_foreign_activate_request(
 	}
 }
 
+static void handle_foreign_fullscreen_request(
+		struct wl_listener *listener, void *data) {
+	struct sway_view *view = wl_container_of(
+			listener, view, foreign_fullscreen_request);
+	struct wlr_foreign_toplevel_handle_v1_fullscreen_event *event = data;
+
+	// Match fullscreen command behavior for scratchpad hidden views
+	struct sway_container *container = view->container;
+	if (!container->workspace) {
+		while (container->parent) {
+			container = container->parent;
+		}
+	}
+
+	container_set_fullscreen(container,
+		event->fullscreen ? FULLSCREEN_WORKSPACE : FULLSCREEN_NONE);
+	if (event->fullscreen) {
+		arrange_root();
+	} else {
+		if (container->parent) {
+			arrange_container(container->parent);
+		} else if (container->workspace) {
+			arrange_workspace(container->workspace);
+		}
+	}
+}
+
 static void handle_foreign_close_request(
 		struct wl_listener *listener, void *data) {
 	struct sway_view *view = wl_container_of(
@@ -676,6 +703,9 @@ void view_map(struct sway_view *view, struct wlr_surface *wlr_surface,
 	view->foreign_activate_request.notify = handle_foreign_activate_request;
 	wl_signal_add(&view->foreign_toplevel->events.request_activate,
 			&view->foreign_activate_request);
+	view->foreign_fullscreen_request.notify = handle_foreign_fullscreen_request;
+	wl_signal_add(&view->foreign_toplevel->events.request_fullscreen,
+			&view->foreign_fullscreen_request);
 	view->foreign_close_request.notify = handle_foreign_close_request;
 	wl_signal_add(&view->foreign_toplevel->events.request_close,
 			&view->foreign_close_request);