[gnome-clocks/wip/cdavis/about-window] window: Port to AdwAboutWindow

[Christopher Davis <christopherdavis src gnome org>]

commit 51099a5908c24e370ff3ba761ffaee0f24c0d178
Author: Christopher Davis <christopherdavis gnome org>
Date:   Thu Jul 7 17:17:41 2022 -0400

    window: Port to AdwAboutWindow

 meson.build     |  2 +-
 src/window.vala | 30 ++++++++++++++++--------------
 2 files changed, 17 insertions(+), 15 deletions(-)
---
diff --git a/meson.build b/meson.build
index 3596dea0..3fc99aad 100644
--- a/meson.build
+++ b/meson.build
@@ -23,7 +23,7 @@ else
 endif
 gnomedesktop = dependency('gnome-desktop-4')
 libgeoclue = dependency('libgeoclue-2.0', version: '>=2.4')
-libadwaita = dependency ('libadwaita-1', version: '>=1.0')
+libadwaita = dependency ('libadwaita-1', version: '>=1.2.alpha')
 
 cc = meson.get_compiler('c')
 math = cc.find_library('m', required: false)
diff --git a/src/window.vala b/src/window.vala
index ae945225..1a0ebcee 100644
--- a/src/window.vala
+++ b/src/window.vala
@@ -257,9 +257,9 @@ public class Window : Adw.ApplicationWindow {
         const string COPYRIGHT = "Copyright \xc2\xa9 2011 Collabora Ltd.\n" +
                                  "Copyright \xc2\xa9 2012-2013 Collabora Ltd., Seif Lotfy, Emily Gonyer\n" +
                                  "Eslam Mostafa, Paolo Borelli, Volker Sobek\n" +
-                                 "Copyright \xc2\xa9 2019-2020 Bilal Elmoussaoui & Zander Brown et al";
+                                 "Copyright \xc2\xa9 2019-2020 Bilal Elmoussaoui &amp; Zander Brown et al";
 
-        const string? AUTHORS[] = {
+        const string? DEVELOPERS[] = {
             "Alex Anthony",
             "Paolo Borelli",
             "Allan Day",
@@ -278,18 +278,20 @@ public class Window : Adw.ApplicationWindow {
             null
         };
 
-        var program_name = Config.NAME_PREFIX + _("Clocks");
-        Gtk.show_about_dialog (this,
-                               "program-name", program_name,
-                               "logo-icon-name", Config.APP_ID,
-                               "version", Config.VERSION,
-                               "comments", _("Utilities to help you with the time."),
-                               "copyright", COPYRIGHT,
-                               "authors", AUTHORS,
-                               "license-type", Gtk.License.GPL_2_0,
-                               "wrap-license", false,
-                               "translator-credits", _("translator-credits"),
-                               null);
+        var about = new Adw.AboutWindow() {
+            transient_for = this,
+            application_name =  _("Clocks"),
+            application_icon = Config.APP_ID,
+            developer_name = _("The GNOME Project"),
+            version = Config.VERSION,
+            copyright = COPYRIGHT,
+            developers = DEVELOPERS,
+            issue_url = "https://gitlab.gnome.org/GNOME/gnome-clocks/-/issues/new";,
+            license_type = Gtk.License.GPL_2_0,
+            translator_credits =  _("translator-credits")
+        };
+
+        about.present();
     }
 
     [GtkCallback]