From 28e52e079c63abdcc1a10a263d9b5401822c725c Mon Sep 17 00:00:00 2001
From: Consolatis <35009135+Consolatis@users.noreply.github.com>
Date: Sun, 29 Jan 2023 07:23:44 +0100
Subject: [PATCH] ToggleShowDesktop: add implementation

Fixes #455
---
 include/labwc.h |  1 +
 src/desktop.c   | 31 +++++++++++++++++++++++++++++++
 2 files changed, 32 insertions(+)

diff --git a/include/labwc.h b/include/labwc.h
index 6a68514e..80995d37 100644
--- a/include/labwc.h
+++ b/include/labwc.h
@@ -363,6 +363,7 @@ void desktop_move_to_front(struct view *view);
 void desktop_move_to_back(struct view *view);
 void desktop_focus_and_activate_view(struct seat *seat, struct view *view);
 void desktop_arrange_all_views(struct server *server);
+void desktop_toggle(struct server *server);
 
 enum lab_cycle_dir {
 	LAB_CYCLE_DIR_NONE,
diff --git a/src/desktop.c b/src/desktop.c
index ce17d8d3..dc9eb545 100644
--- a/src/desktop.c
+++ b/src/desktop.c
@@ -20,6 +20,8 @@ move_to_front(struct view *view)
 	wlr_scene_node_raise_to_top(&view->scene_tree->node);
 }
 
+static void desktop_hide_windows(struct server *server, bool hide);
+
 void
 desktop_move_to_front(struct view *view)
 {
@@ -30,6 +32,7 @@ desktop_move_to_front(struct view *view)
 #if HAVE_XWAYLAND
 	xwayland_move_sub_views_to_front(view, move_to_front);
 #endif
+	desktop_hide_windows(view->server, false);
 	cursor_update_focus(view->server);
 }
 
@@ -99,6 +102,34 @@ desktop_focus_and_activate_view(struct seat *seat, struct view *view)
 	seat_focus_surface(seat, view->surface);
 }
 
+static void
+desktop_hide_windows(struct server *server, bool hide)
+{
+	struct wlr_scene_node *view_tree, *view_tree_on_top;
+	view_tree = &server->view_tree->node;
+	view_tree_on_top = &server->view_tree_always_on_top->node;
+
+	if (hide == !view_tree->enabled) {
+		return;
+	}
+
+	if (hide) {
+		wlr_scene_node_set_enabled(view_tree, false);
+		wlr_scene_node_set_enabled(view_tree_on_top, false);
+		seat_focus_surface(&server->seat, NULL);
+	} else {
+		wlr_scene_node_set_enabled(view_tree, true);
+		wlr_scene_node_set_enabled(view_tree_on_top, true);
+		desktop_focus_topmost_mapped_view(server);
+	}
+}
+
+void
+desktop_toggle(struct server *server)
+{
+	desktop_hide_windows(server, server->view_tree->node.enabled);
+}
+
 /*
  * Some xwayland apps produce unmapped surfaces on startup and also leave
  * some unmapped surfaces kicking around on 'close' (for example leafpad's