[gnome-control-center/gbsneto/panel-headerbar-cleanup: 7/19] panel: Add empty UI template file

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 3d06a71b380f14ec8131384aa7eed74d3275eaa8
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Wed Jan 19 12:00:07 2022 -0300

    panel: Add empty UI template file
    
    The UI file currently has nothing, but we'll increment it soon
    with the headerbar.

 shell/cc-panel.c                         | 4 ++++
 shell/cc-panel.ui                        | 5 +++++
 shell/gnome-control-center.gresource.xml | 1 +
 3 files changed, 10 insertions(+)
---
diff --git a/shell/cc-panel.c b/shell/cc-panel.c
index a72c2a377..bca7178cb 100644
--- a/shell/cc-panel.c
+++ b/shell/cc-panel.c
@@ -170,6 +170,7 @@ static void
 cc_panel_class_init (CcPanelClass *klass)
 {
   GObjectClass *object_class = G_OBJECT_CLASS (klass);
+  GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass);
 
   object_class->get_property = cc_panel_get_property;
   object_class->set_property = cc_panel_set_property;
@@ -203,11 +204,14 @@ cc_panel_class_init (CcPanelClass *klass)
                                                 G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | 
G_PARAM_STATIC_STRINGS);
 
   g_object_class_install_properties (object_class, N_PROPS, properties);
+
+  gtk_widget_class_set_template_from_resource (widget_class, "/org/gnome/ControlCenter/gtk/cc-panel.ui");
 }
 
 static void
 cc_panel_init (CcPanel *panel)
 {
+  gtk_widget_init_template (GTK_WIDGET (panel));
 }
 
 /**
diff --git a/shell/cc-panel.ui b/shell/cc-panel.ui
new file mode 100644
index 000000000..7c38d323c
--- /dev/null
+++ b/shell/cc-panel.ui
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<interface>
+  <template class="CcPanel" parent="AdwBin">
+  </template>
+</interface>
diff --git a/shell/gnome-control-center.gresource.xml b/shell/gnome-control-center.gresource.xml
index 5550440e1..bdd1ec209 100644
--- a/shell/gnome-control-center.gresource.xml
+++ b/shell/gnome-control-center.gresource.xml
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <gresources>
   <gresource prefix="/org/gnome/ControlCenter/gtk">
+    <file preprocess="xml-stripblanks">cc-panel.ui</file>
     <file preprocess="xml-stripblanks">cc-panel-list.ui</file>
     <file preprocess="xml-stripblanks">cc-window.ui</file>
     <file preprocess="xml-stripblanks">help-overlay.ui</file>