[gnome-sudoku/arnaudb/improve-code: 5/5] Handle fullscreen as maximization.

[Arnaud B. <arnaudb src gnome org>]

commit f34b91556876a881399301ce62ba6a06ad400bd9
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Mon Apr 13 14:49:09 2020 +0200

    Handle fullscreen as maximization.

 src/gnome-sudoku.vala | 26 +++++++++++++++++++-------
 1 file changed, 19 insertions(+), 7 deletions(-)
---
diff --git a/src/gnome-sudoku.vala b/src/gnome-sudoku.vala
index 5969881..0c13ecd 100644
--- a/src/gnome-sudoku.vala
+++ b/src/gnome-sudoku.vala
@@ -24,8 +24,9 @@ using Gtk;
 public class Sudoku : Gtk.Application
 {
     private GLib.Settings settings;
-    private bool is_maximized;
-    private bool is_tiled;
+    private bool window_is_maximized;
+    private bool window_is_fullscreen;
+    private bool window_is_tiled;
     private int window_width;
     private int window_height;
     private Button play_custom_game_button;
@@ -224,7 +225,7 @@ public class Sudoku : Gtk.Application
         settings.delay ();
         settings.set_int ("window-width", window_width);
         settings.set_int ("window-height", window_height);
-        settings.set_boolean ("window-is-maximized", is_maximized);
+        settings.set_boolean ("window-is-maximized", window_is_maximized || window_is_fullscreen);
         settings.apply ();
 
         base.shutdown ();
@@ -232,18 +233,29 @@ public class Sudoku : Gtk.Application
 
     private void size_allocate_cb (Allocation allocation)
     {
-        if (is_maximized || is_tiled)
+        if (window_is_maximized || window_is_fullscreen || window_is_tiled)
             return;
         window.get_size (out window_width, out window_height);
     }
 
+    private const Gdk.WindowState tiled_state = Gdk.WindowState.TILED
+                                              | Gdk.WindowState.TOP_TILED
+                                              | Gdk.WindowState.BOTTOM_TILED
+                                              | Gdk.WindowState.LEFT_TILED
+                                              | Gdk.WindowState.RIGHT_TILED;
     private bool window_state_event_cb (Gdk.EventWindowState event)
     {
         if ((event.changed_mask & Gdk.WindowState.MAXIMIZED) != 0)
-            is_maximized = (event.new_window_state & Gdk.WindowState.MAXIMIZED) != 0;
+            window_is_maximized = (event.new_window_state & Gdk.WindowState.MAXIMIZED) != 0;
+
+        /* fullscreen: saved as maximized */
+        if ((event.changed_mask & Gdk.WindowState.FULLSCREEN) != 0)
+            window_is_fullscreen = (event.new_window_state & Gdk.WindowState.FULLSCREEN) != 0;
+
         /* We don’t save this state, but track it for saving size allocation */
-        if ((event.changed_mask & Gdk.WindowState.TILED) != 0)
-            is_tiled = (event.new_window_state & Gdk.WindowState.TILED) != 0;
+        if ((event.changed_mask & tiled_state) != 0)
+            window_is_tiled = (event.new_window_state & tiled_state) != 0;
+
         return false;
     }