[dconf] editor: Only write window state settings on exit and support fullscreen state

[Robert Ancell <rancell src gnome org>]

commit bc450e8e3c236ff25a4a1a8e5cd4b28d616438ae
Author: Robert Ancell <robert ancell canonical com>
Date:   Mon Oct 1 09:14:35 2012 +1300

    editor: Only write window state settings on exit and support fullscreen state
    
    https://bugzilla.gnome.org/show_bug.cgi?id=655046

 editor/ca.desrt.dconf-editor.gschema.xml |   11 +++++++--
 editor/dconf-editor.vala                 |   32 +++++++++++++++++++++--------
 2 files changed, 31 insertions(+), 12 deletions(-)
---
diff --git a/editor/ca.desrt.dconf-editor.gschema.xml b/editor/ca.desrt.dconf-editor.gschema.xml
index b44ad13..80822b7 100644
--- a/editor/ca.desrt.dconf-editor.gschema.xml
+++ b/editor/ca.desrt.dconf-editor.gschema.xml
@@ -1,20 +1,25 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <schemalist gettext-domain='dconf'>
   <schema id="ca.desrt.dconf-editor.Settings" path="/ca/desrt/dconf-editor/">
-    <key name="width" type="i">
+    <key name="window-width" type="i">
       <default>800</default>
       <summary>The width of the window</summary>
       <description>The width of the main window in pixels.</description>
     </key>
-    <key name="height" type="i">
+    <key name="window-height" type="i">
       <default>600</default>
       <summary>The height of the window</summary>
       <description>The height of the main window in pixels.</description>
     </key>
-    <key name="maximized" type="b">
+    <key name="window-is-maximized" type="b">
       <default>false</default>
       <summary>A flag to enable maximized mode</summary>
       <description>A flag to enable maximized mode</description>
     </key>
+    <key name="window-is-fullscreen" type="b">
+      <default>false</default>
+      <summary>A flag to enable fullscreen mode</summary>
+      <description>A flag to enable fullscreen mode</description>
+    </key>
   </schema>
 </schemalist>
diff --git a/editor/dconf-editor.vala b/editor/dconf-editor.vala
index 0a114fd..55745f0 100644
--- a/editor/dconf-editor.vala
+++ b/editor/dconf-editor.vala
@@ -5,6 +5,10 @@ class ConfigurationEditor : Gtk.Application
     private Settings settings;
     private Gtk.Builder ui;
     private Gtk.ApplicationWindow window;
+    private int window_width = 0;
+    private int window_height = 0;
+    private bool window_is_maximized = false;
+    private bool window_is_fullscreen = false;
     private Gtk.TreeView dir_tree_view;
     private Gtk.TreeView key_tree_view;
     private Gtk.Grid key_info_grid;
@@ -72,8 +76,10 @@ class ConfigurationEditor : Gtk.Application
         }
         set_app_menu((MenuModel)menu_ui.get_object("menu"));
 
-        window.set_default_size (settings.get_int ("width"), settings.get_int ("height"));
-        if (settings.get_boolean ("maximized"))
+        window.set_default_size (settings.get_int ("window-width"), settings.get_int ("window-height"));
+        if (settings.get_boolean ("window-is-fullscreen"))
+            window.fullscreen ();
+        else if (settings.get_boolean ("window-is-maximized"))
             window.maximize ();
 
         dir_tree_view = new DConfDirView();
@@ -124,6 +130,15 @@ class ConfigurationEditor : Gtk.Application
         window.present();
     }
 
+    protected override void shutdown ()
+    {
+        base.shutdown();
+        settings.set_int ("window-width", window_width);
+        settings.set_int ("window-height", window_height);
+        settings.set_boolean ("window-is-maximized", window_is_maximized);
+        settings.set_boolean ("window-is-fullscreen", window_is_fullscreen);
+    }
+
     private void dir_selected_cb()
     {
         KeyModel? key_model = null;
@@ -236,10 +251,10 @@ class ConfigurationEditor : Gtk.Application
 
     private bool main_window_configure_event_cb (Gtk.Widget widget, Gdk.EventConfigure event)
     {
-        if (!settings.get_boolean ("maximized"))
+        if (!window_is_maximized && !window_is_fullscreen)
         {
-            settings.set_int ("width", event.width);
-            settings.set_int ("height", event.height);
+            window_width = event.width;
+            window_height = event.height;
         }
 
         return false;
@@ -248,10 +263,9 @@ class ConfigurationEditor : Gtk.Application
     private bool main_window_window_state_event_cb (Gtk.Widget widget, Gdk.EventWindowState event)
     {
         if ((event.changed_mask & Gdk.WindowState.MAXIMIZED) != 0)
-        {
-            var is_maximized = (event.new_window_state & Gdk.WindowState.MAXIMIZED) != 0;
-            settings.set_boolean ("maximized", is_maximized);
-        }
+            window_is_maximized = (event.new_window_state & Gdk.WindowState.MAXIMIZED) != 0;
+        if ((event.changed_mask & Gdk.WindowState.FULLSCREEN) != 0)
+            window_is_fullscreen = (event.new_window_state & Gdk.WindowState.FULLSCREEN) != 0;
 
         return false;
     }