[gnome-games/wip/exalm/libhandy2: 10/22] ui: Clean up PreferencesPageControllers



commit 59b8936b1ca353c5d1423e19fb4583fa04265ece
Author: Alexander Mikhaylenko <exalm7659 gmail com>
Date:   Wed Sep 12 17:57:38 2018 +0500

    ui: Clean up PreferencesPageControllers
    
    Now that both gamepad and keyboard configurations are independent subpages,
    the controllers page can be a simple box, like other pages.

 data/ui/preferences-page-controllers.ui  | 19 +++-----------
 src/ui/preferences-page-controllers.vala | 44 ++++++++++----------------------
 2 files changed, 16 insertions(+), 47 deletions(-)
---
diff --git a/data/ui/preferences-page-controllers.ui b/data/ui/preferences-page-controllers.ui
index bc39e828..486d9582 100644
--- a/data/ui/preferences-page-controllers.ui
+++ b/data/ui/preferences-page-controllers.ui
@@ -1,19 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <interface>
-  <template class="GamesPreferencesPageControllers" parent="GtkStack">
+  <template class="GamesPreferencesPageControllers" parent="GtkBin">
     <property name="visible">True</property>
-    <property name="visible-child">main_stack_child_holder</property>
-    <property name="transition-type">GTK_STACK_TRANSITION_TYPE_SLIDE_LEFT_RIGHT</property>
     <child>
-      <object class="GtkBox" id="extra_stack_child_holder">
-        <property name="visible">True</property>
-      </object>
-      <packing>
-        <property name="name">extra_stack_child</property>
-      </packing>
-    </child>
-    <child>
-      <object class="GtkScrolledWindow" id="main_stack_child_holder">
+      <object class="GtkScrolledWindow">
         <property name="visible">True</property>
         <child>
           <object class="GtkViewport">
@@ -75,12 +65,9 @@
           </object>
         </child>
       </object>
-      <packing>
-        <property name="name">main_stack_child</property>
-      </packing>
     </child>
   </template>
-  <object class="GtkHeaderBar" id="default_header_bar">
+  <object class="GtkHeaderBar" id="header_bar">
     <property name="visible">True</property>
     <property name="expand">True</property>
     <property name="title" translatable="yes">Controllers</property>
diff --git a/src/ui/preferences-page-controllers.vala b/src/ui/preferences-page-controllers.vala
index dd9b62a0..95daa742 100644
--- a/src/ui/preferences-page-controllers.vala
+++ b/src/ui/preferences-page-controllers.vala
@@ -1,9 +1,19 @@
 // This file is part of GNOME Games. License: GPL-3.0+.
 
 [GtkTemplate (ui = "/org/gnome/Games/ui/preferences-page-controllers.ui")]
-private class Games.PreferencesPageControllers: Gtk.Stack, PreferencesPage {
-       public Gtk.HeaderBar header_bar { get; protected set; }
-       public bool immersive_mode { get; protected set; }
+private class Games.PreferencesPageControllers: Gtk.Bin, PreferencesPage {
+       [GtkChild (name = "header_bar")]
+       private Gtk.HeaderBar _header_bar;
+       public Gtk.HeaderBar header_bar {
+               protected set {}
+               get { return _header_bar; }
+       }
+
+       public bool immersive_mode {
+               protected set {}
+               get { return false; }
+       }
+
        public PreferencesSubpage subpage { get; protected set; }
 
        [GtkChild]
@@ -14,21 +24,12 @@ private class Games.PreferencesPageControllers: Gtk.Stack, PreferencesPage {
        private Gtk.ListBox gamepads_list_box;
        [GtkChild]
        private Gtk.ListBox keyboard_list_box;
-       [GtkChild]
-       private Gtk.Box extra_stack_child_holder;
-       [GtkChild]
-       private Gtk.HeaderBar default_header_bar;
 
        private Manette.Monitor monitor;
 
-       private Binding header_bar_binding;
-       private Binding immersive_mode_binding;
        private ulong back_handler_id;
 
        construct {
-               header_bar = default_header_bar;
-               immersive_mode = false;
-
                monitor = new Manette.Monitor ();
                monitor.device_connected.connect (rebuild_gamepad_list);
                monitor.device_disconnected.connect (rebuild_gamepad_list);
@@ -36,10 +37,6 @@ private class Games.PreferencesPageControllers: Gtk.Stack, PreferencesPage {
                build_keyboard_list ();
        }
 
-       public void visible_page_changed () {
-               on_back_old (null);
-       }
-
        private void rebuild_gamepad_list () {
                clear_gamepad_list ();
                build_gamepad_list ();
@@ -105,19 +102,4 @@ private class Games.PreferencesPageControllers: Gtk.Stack, PreferencesPage {
                subpage.disconnect (back_handler_id);
                subpage = null;
        }
-
-       private void on_back_old (Object? emitter) {
-               header_bar_binding = null;
-               immersive_mode_binding = null;
-               if (back_handler_id != 0) {
-                       if (emitter != null)
-                               emitter.disconnect (back_handler_id);
-                       back_handler_id = 0;
-               }
-
-               header_bar = default_header_bar;
-               immersive_mode = false;
-               visible_child_name = "main_stack_child";
-               extra_stack_child_holder.foreach ((child) => child.destroy ());
-       }
 }


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