[gnome-games/wip/exalm/buildable: 2/6] preferences-page: Turn into a class

[Alexander Mikhaylenko <alexm src gnome org>]

commit 641c1a5dcb605fb35ace66d5b382e69a485243a2
Author: Alexander Mikhaylenko <exalm7659 gmail com>
Date:   Sun Oct 14 16:40:06 2018 +0500

    preferences-page: Turn into a class
    
    Make PreferencesPage a class rather than an interface.

 data/ui/preferences-page-controllers.ui  | 2 +-
 data/ui/preferences-page-plugins.ui      | 2 +-
 data/ui/preferences-page-video.ui        | 2 +-
 src/ui/preferences-page-controllers.vala | 4 +---
 src/ui/preferences-page-plugins.vala     | 4 +---
 src/ui/preferences-page-video.vala       | 4 +---
 src/ui/preferences-page.vala             | 4 ++--
 7 files changed, 8 insertions(+), 14 deletions(-)
---
diff --git a/data/ui/preferences-page-controllers.ui b/data/ui/preferences-page-controllers.ui
index a0d8c3ec..256b76e5 100644
--- a/data/ui/preferences-page-controllers.ui
+++ b/data/ui/preferences-page-controllers.ui
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <interface>
-  <template class="GamesPreferencesPageControllers" parent="GtkBin">
+  <template class="GamesPreferencesPageControllers" parent="GamesPreferencesPage">
     <property name="visible">True</property>
     <child>
       <object class="GtkScrolledWindow">
diff --git a/data/ui/preferences-page-plugins.ui b/data/ui/preferences-page-plugins.ui
index f3c1ea5e..d768da1c 100644
--- a/data/ui/preferences-page-plugins.ui
+++ b/data/ui/preferences-page-plugins.ui
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <interface>
   <!-- interface-requires gtk+ 3.16 -->
-  <template class="GamesPreferencesPagePlugins" parent="GtkBin">
+  <template class="GamesPreferencesPagePlugins" parent="GamesPreferencesPage">
     <property name="visible">True</property>
     <child>
       <object class="GtkScrolledWindow" id="plugins">
diff --git a/data/ui/preferences-page-video.ui b/data/ui/preferences-page-video.ui
index be65929d..ccd9b01a 100644
--- a/data/ui/preferences-page-video.ui
+++ b/data/ui/preferences-page-video.ui
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <interface>
-  <template class="GamesPreferencesPageVideo" parent="GtkBin">
+  <template class="GamesPreferencesPageVideo" parent="GamesPreferencesPage">
     <property name="visible">True</property>
     <child>
       <object class="GtkScrolledWindow">
diff --git a/src/ui/preferences-page-controllers.vala b/src/ui/preferences-page-controllers.vala
index 902d1420..b955259a 100644
--- a/src/ui/preferences-page-controllers.vala
+++ b/src/ui/preferences-page-controllers.vala
@@ -1,9 +1,7 @@
 // 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.Bin, PreferencesPage {
-       public PreferencesSubpage subpage { get; protected set; }
-
+private class Games.PreferencesPageControllers: PreferencesPage {
        [GtkChild]
        private Gtk.Label gamepads_label;
        [GtkChild]
diff --git a/src/ui/preferences-page-plugins.vala b/src/ui/preferences-page-plugins.vala
index 091b4021..4df31040 100644
--- a/src/ui/preferences-page-plugins.vala
+++ b/src/ui/preferences-page-plugins.vala
@@ -1,9 +1,7 @@
 // This file is part of GNOME Games. License: GPL-3.0+.
 
 [GtkTemplate (ui = "/org/gnome/Games/ui/preferences-page-plugins.ui")]
-private class Games.PreferencesPagePlugins: Gtk.Bin, PreferencesPage {
-       public PreferencesSubpage subpage { get; protected set; }
-
+private class Games.PreferencesPagePlugins: PreferencesPage {
        [GtkChild]
        private Gtk.ListBox list_box;
 
diff --git a/src/ui/preferences-page-video.vala b/src/ui/preferences-page-video.vala
index 0077428b..ebb249ce 100644
--- a/src/ui/preferences-page-video.vala
+++ b/src/ui/preferences-page-video.vala
@@ -1,9 +1,7 @@
 // This file is part of GNOME Games. License: GPL-3.0+.
 
 [GtkTemplate (ui = "/org/gnome/Games/ui/preferences-page-video.ui")]
-private class Games.PreferencesPageVideo: Gtk.Bin, PreferencesPage {
-       public PreferencesSubpage subpage { get; protected set; }
-
+private class Games.PreferencesPageVideo: PreferencesPage {
        private string _filter_active;
        public string filter_active {
                set {
diff --git a/src/ui/preferences-page.vala b/src/ui/preferences-page.vala
index de44674e..c92b77d8 100644
--- a/src/ui/preferences-page.vala
+++ b/src/ui/preferences-page.vala
@@ -1,5 +1,5 @@
 // This file is part of GNOME Games. License: GPL-3.0+.
 
-private interface Games.PreferencesPage: Gtk.Widget {
-       public abstract PreferencesSubpage subpage { get; protected set; }
+private class Games.PreferencesPage: Gtk.Bin {
+       public PreferencesSubpage subpage { get; protected set; }
 }