[gnome-break-timer/gtk-4: 3/3] Add libadwaita

[Dylan McCall <dylanmccall src gnome org>]

commit 5874277d66d6d747b9e96a6aef31852bf7043400
Author: Dylan McCall <dylan dylanmccall ca>
Date:   Thu Jul 21 16:05:16 2022 -0500

    Add libadwaita
    
    This commit uses Adw.Application and Adw.ApplicationWindow for the main
    window.

 meson.build                   |  1 +
 src/settings/Application.vala |  2 +-
 src/settings/MainWindow.vala  | 15 ++++++++-------
 src/settings/meson.build      |  1 +
 4 files changed, 11 insertions(+), 8 deletions(-)
---
diff --git a/meson.build b/meson.build
index 7ffd66f..44aca02 100644
--- a/meson.build
+++ b/meson.build
@@ -17,6 +17,7 @@ gobject_dep = dependency('gobject-2.0')
 gsound_dep = dependency('gsound')
 gtk_dep = dependency('gtk4')
 json_glib_dep = dependency('json-glib-1.0')
+libadwaita_dep = dependency('libadwaita-1')
 libcanberra_dep = dependency('libcanberra')
 libnotify_dep = dependency('libnotify')
 
diff --git a/src/settings/Application.vala b/src/settings/Application.vala
index 13da188..5aed44f 100644
--- a/src/settings/Application.vala
+++ b/src/settings/Application.vala
@@ -20,7 +20,7 @@
 
 namespace BreakTimer.Settings {
 
-public class Application : Gtk.Application {
+public class Application : Adw.Application {
     private const string STYLE_DATA =
         """
         ._settings-title {
diff --git a/src/settings/MainWindow.vala b/src/settings/MainWindow.vala
index e018c1c..cd77ea3 100644
--- a/src/settings/MainWindow.vala
+++ b/src/settings/MainWindow.vala
@@ -24,7 +24,7 @@ using BreakTimer.Settings.Panels;
 
 namespace BreakTimer.Settings {
 
-public class MainWindow : Gtk.ApplicationWindow, GLib.Initable {
+public class MainWindow : Adw.ApplicationWindow, GLib.Initable {
     private BreakManager break_manager;
 
     private GLib.DBusConnection dbus_connection;
@@ -33,7 +33,7 @@ public class MainWindow : Gtk.ApplicationWindow, GLib.Initable {
 
     private GLib.Menu app_menu;
 
-    private Gtk.HeaderBar header;
+    private Adw.HeaderBar header;
     private Gtk.Stack main_stack;
     private Gtk.Box messages_box;
 
@@ -129,14 +129,15 @@ public class MainWindow : Gtk.ApplicationWindow, GLib.Initable {
         this.break_settings_dialog.set_transient_for (this);
 
         Gtk.Box content = new Gtk.Box (Gtk.Orientation.VERTICAL, 0);
-        this.set_child (content);
+        this.set_content (content);
         content.set_orientation (Gtk.Orientation.VERTICAL);
         content.set_vexpand (true);
 
-        this.header = new Gtk.HeaderBar ();
-        this.set_titlebar (this.header);
-        this.header.set_show_title_buttons (true);
-        this.header.set_hexpand (true);
+        this.header = new Adw.HeaderBar ();
+        content.append (this.header);
+        // this.set_titlebar (this.header);
+        // this.header.set_show_title_buttons (true);
+        // this.header.set_hexpand (true);
 
         this.master_switch = new Gtk.Switch ();
         master_switch.set_valign (Gtk.Align.CENTER);
diff --git a/src/settings/meson.build b/src/settings/meson.build
index 55ca366..6d3495c 100644
--- a/src/settings/meson.build
+++ b/src/settings/meson.build
@@ -35,6 +35,7 @@ settings_lib_dependencies = [
     gtk_dep,
     json_glib_dep,
     gsound_dep,
+    libadwaita_dep,
     libnotify_dep,
     m_dep,
     posix_dep,