[gnome-builder] meson-template: improve style of Vala-Gtk4 Template

[Christian Hergert <chergert src gnome org>]

commit ea57ba7df78ce1d95d7a05cc6cfa9e0bbe98bf0c
Author: Lorenz Wildberg <lorenz wild-fisch de>
Date:   Mon Feb 28 18:30:10 2022 +0000

    meson-template: improve style of Vala-Gtk4 Template

 .../resources/src/application-gtk4.vala            | 60 +++++++++++-----------
 .../meson-templates/resources/src/main-gtk4.vala   |  4 +-
 .../meson-templates/resources/src/window-gtk4.vala | 16 +++---
 3 files changed, 40 insertions(+), 40 deletions(-)
---
diff --git a/src/plugins/meson-templates/resources/src/application-gtk4.vala 
b/src/plugins/meson-templates/resources/src/application-gtk4.vala
index 866f5ebe2..9ac33e639 100644
--- a/src/plugins/meson-templates/resources/src/application-gtk4.vala
+++ b/src/plugins/meson-templates/resources/src/application-gtk4.vala
@@ -1,40 +1,40 @@
 {{include "license.vala"}}
 
 namespace {{PreFix}} {
-       public class Application : {{if is_adwaita}}Adw{{else}}Gtk{{end}}.Application {
-               private ActionEntry[] APP_ACTIONS = {
-                       { "about", on_about_action },
-                       { "preferences", on_preferences_action },
-                       { "quit", quit }
-               };
+    public class Application : {{if is_adwaita}}Adw{{else}}Gtk{{end}}.Application {
+        private ActionEntry[] APP_ACTIONS = {
+            { "about", this.on_about_action },
+            { "preferences", this.on_preferences_action },
+            { "quit", this.quit }
+        };
 
 
-               public Application () {
-                       Object (application_id: "{{appid}}", flags: ApplicationFlags.FLAGS_NONE);
+        public Application () {
+            Object (application_id: "{{appid}}", flags: ApplicationFlags.FLAGS_NONE);
 
-                       this.add_action_entries(this.APP_ACTIONS, this);
-                       this.set_accels_for_action("app.quit", {"<primary>q"});
-               }
+            this.add_action_entries (this.APP_ACTIONS, this);
+            this.set_accels_for_action ("app.quit", {"<primary>q"});
+        }
 
-               public override void activate () {
-                       base.activate();
-                       var win = this.active_window;
-                       if (win == null) {
-                               win = new {{PreFix}}.Window (this);
-                       }
-                       win.present ();
-               }
+        public override void activate () {
+            base.activate ();
+            var win = this.active_window;
+            if (win == null) {
+                win = new {{PreFix}}.Window (this);
+            }
+            win.present ();
+        }
 
-               private void on_about_action () {
-                       string[] authors = {"{{author}}"};
-                       Gtk.show_about_dialog(this.active_window,
-                                                 "program-name", "{{name}}",
-                                                 "authors", authors,
-                                                 "version", "{{project_version}}");
-               }
+        private void on_about_action () {
+            string[] authors = { "{{author}}" };
+            Gtk.show_about_dialog (this.active_window,
+                                   "program-name", "{{name}}",
+                                   "authors", authors,
+                                   "version", "{{project_version}}");
+        }
 
-               private void on_preferences_action () {
-                       message("app.preferences action activated");
-               }
-       }
+        private void on_preferences_action () {
+            message ("app.preferences action activated");
+        }
+    }
 }
diff --git a/src/plugins/meson-templates/resources/src/main-gtk4.vala 
b/src/plugins/meson-templates/resources/src/main-gtk4.vala
index e8a05c989..5083b116f 100644
--- a/src/plugins/meson-templates/resources/src/main-gtk4.vala
+++ b/src/plugins/meson-templates/resources/src/main-gtk4.vala
@@ -1,6 +1,6 @@
 {{include "license.vala"}}
 
 int main (string[] args) {
-       var app = new {{PreFix}}.Application ();
-       return app.run (args);
+    var app = new {{PreFix}}.Application ();
+    return app.run (args);
 }
diff --git a/src/plugins/meson-templates/resources/src/window-gtk4.vala 
b/src/plugins/meson-templates/resources/src/window-gtk4.vala
index 7ef3be410..4cacdb12f 100644
--- a/src/plugins/meson-templates/resources/src/window-gtk4.vala
+++ b/src/plugins/meson-templates/resources/src/window-gtk4.vala
@@ -1,13 +1,13 @@
 {{include "license.vala"}}
 
 namespace {{PreFix}} {
-       [GtkTemplate (ui = "{{appid_path}}/{{ui_file}}")]
-       public class Window : Gtk.ApplicationWindow {
-               [GtkChild]
-               unowned Gtk.Label label;
+    [GtkTemplate (ui = "{{appid_path}}/{{ui_file}}")]
+    public class Window : Gtk.ApplicationWindow {
+        [GtkChild]
+        private unowned Gtk.Label label;
 
-               public Window (Gtk.Application app) {
-                       Object (application: app);
-               }
-       }
+        public Window (Gtk.Application app) {
+            Object (application: app);
+        }
+    }
 }