[krb5-auth-dialog] prefs: Switch to AdwPreferencesDialog

[Guido Günther <guidog src gnome org>]

commit 23ae24499e0c338d1d67fe96dde2951c983263f2
Author: Guido Günther <agx sigxcpu org>
Date:   Thu Oct 20 17:00:12 2022 +0200

    prefs: Switch to AdwPreferencesDialog

 src/ka-preferences.c               | 4 ++--
 src/ka-preferences.h               | 3 ++-
 src/resources/ui/ka-preferences.ui | 5 +++--
 3 files changed, 7 insertions(+), 5 deletions(-)
---
diff --git a/src/ka-preferences.c b/src/ka-preferences.c
index dd16d37..f059193 100644
--- a/src/ka-preferences.c
+++ b/src/ka-preferences.c
@@ -28,7 +28,7 @@
 #define PKINIT_FILE "FILE:"
 
 struct _KaPreferences {
-    GtkDialog parent;
+    AdwPreferencesWindow parent;
     
     GtkWidget *dialog;
     GtkWidget *notebook;
@@ -48,7 +48,7 @@ struct _KaPreferences {
     KaApplet *applet;
 };
 
-G_DEFINE_FINAL_TYPE (KaPreferences, ka_preferences, GTK_TYPE_DIALOG);
+G_DEFINE_FINAL_TYPE (KaPreferences, ka_preferences, ADW_TYPE_PREFERENCES_WINDOW);
 
 enum {
     PROP_0,
diff --git a/src/ka-preferences.h b/src/ka-preferences.h
index 23061d5..3a4dc0f 100644
--- a/src/ka-preferences.h
+++ b/src/ka-preferences.h
@@ -3,6 +3,7 @@
 #ifndef KA_PREFERENCES_H
 #define KA_PREFERENCES_H
 
+#include <adwaita.h>
 #include <glib.h>
 #include <glib-object.h>
 #include <gtk/gtk.h>
@@ -13,7 +14,7 @@
 G_BEGIN_DECLS
 
 #define KA_TYPE_PREFERENCES   (ka_preferences_get_type ())
-G_DECLARE_FINAL_TYPE          (KaPreferences, ka_preferences, KA, PREFERENCES, GtkDialog)
+G_DECLARE_FINAL_TYPE          (KaPreferences, ka_preferences, KA, PREFERENCES, AdwPreferencesWindow)
 
 KaPreferences* ka_preferences_new (KaApplet *applet);
 void ka_preferences_run (KaPreferences *self);
diff --git a/src/resources/ui/ka-preferences.ui b/src/resources/ui/ka-preferences.ui
index ff1eed0..c2fe424 100644
--- a/src/resources/ui/ka-preferences.ui
+++ b/src/resources/ui/ka-preferences.ui
@@ -1,18 +1,19 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <interface>
   <requires lib="gtk" version="4.0"/>
+  <requires lib="libadwaita" version="1.0"/>
   <object class="GtkAdjustment" id="adjustment1">
     <property name="upper">100</property>
     <property name="step_increment">1</property>
     <property name="page_increment">10</property>
   </object>
-  <template class="KaPreferences" parent="GtkDialog">
+  <template class="KaPreferences" parent="AdwPreferencesWindow">
     <property name="hide-on-close">True</property>
     <property name="margin-bottom">5</property>
     <property name="margin-end">5</property>
     <property name="margin-start">5</property>
     <property name="margin-top">5</property>
-    <child internal-child="content_area">
+    <child>
       <object class="GtkBox">
         <property name="orientation">vertical</property>
         <property name="spacing">2</property>