[gnome-games/wip/exalm/prefs: 2/5] preferences-page-video: Migrate to HdyPreferencesGroup

[Alexander Mikhaylenko <alexm src gnome org>]

commit eee7dd46881e2f81c93012f3bd41d0cf6a920233
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Tue May 12 22:53:07 2020 +0500

    preferences-page-video: Migrate to HdyPreferencesGroup

 data/ui/preferences-page-video.ui  | 19 ++-----------------
 src/ui/preferences-page-video.vala | 18 ++++++++++--------
 2 files changed, 12 insertions(+), 25 deletions(-)
---
diff --git a/data/ui/preferences-page-video.ui b/data/ui/preferences-page-video.ui
index 27ebfb61..8355108b 100644
--- a/data/ui/preferences-page-video.ui
+++ b/data/ui/preferences-page-video.ui
@@ -4,24 +4,9 @@
   <template class="GamesPreferencesPageVideo" parent="GamesPreferencesPage">
     <property name="visible">True</property>
     <child>
-      <object class="GtkLabel">
+      <object class="HdyPreferencesGroup" id="filter_group">
         <property name="visible">True</property>
-        <property name="halign">start</property>
-        <property name="label" translatable="yes">Filter</property>
-        <attributes>
-          <attribute name="weight" value="bold"/>
-        </attributes>
-      </object>
-    </child>
-    <child>
-      <object class="GtkListBox" id="filter_list_box">
-        <property name="visible">True</property>
-        <property name="selection-mode">none</property>
-        <signal name="row-activated" handler="filter_list_box_row_activated"/>
-        <style>
-          <class name="rounded"/>
-          <class name="separators"/>
-        </style>
+        <property name="title" translatable="yes">Filter</property>
       </object>
     </child>
   </template>
diff --git a/src/ui/preferences-page-video.vala b/src/ui/preferences-page-video.vala
index b77cbcfb..780a9713 100644
--- a/src/ui/preferences-page-video.vala
+++ b/src/ui/preferences-page-video.vala
@@ -16,14 +16,16 @@ private class Games.PreferencesPageVideo : PreferencesPage {
                }
        }
 
+       [GtkChild]
+       private Hdy.PreferencesGroup filter_group;
+
        // same as video-filters in gschema
        /* Translators: These values are video filters applied to the screen. Smooth
        * tries to smoothen the pixels, sharp displays the pixels square, and CRT
        * emulates an old TV */
        private string[] filter_display_names = { _("Smooth"), _("Sharp"), _("CRT") };
        private string[] filter_names = { "smooth", "sharp", "crt" };
-       [GtkChild]
-       private Gtk.ListBox filter_list_box;
+
        private Settings settings;
        private Gtk.RadioButton filter_radios[3];
 
@@ -46,7 +48,12 @@ private class Games.PreferencesPageVideo : PreferencesPage {
                        row.add_prefix (filter_radios[i]);
                        row.activatable_widget = filter_radios[i];
                        row.show_all ();
-                       filter_list_box.add (row);
+
+                       row.activated.connect (() => {
+                               filter_active = filter_names[i];
+                       });
+
+                       filter_group.add (row);
                }
 
                settings = new Settings ("org.gnome.Games");
@@ -54,9 +61,4 @@ private class Games.PreferencesPageVideo : PreferencesPage {
                               SettingsBindFlags.DEFAULT);
                title = _("Video");
        }
-
-       [GtkCallback]
-       private void filter_list_box_row_activated (Gtk.ListBoxRow row_item) {
-               filter_active = filter_names[row_item.get_index ()];
-       }
 }