MainWindow: center and keep above with Pantheon protocol (#158)

Author: danirabbit

.github/workflows/main.yml

@@ -23,7 +23,7 @@ jobs:
     - name: Install Dependencies
       run: |
         apt update
-        apt install -y libgee-0.8-dev libgranite-7-dev libgtk-4-dev meson valac
+        apt install -y libgee-0.8-dev libgranite-7-dev libgtk-4-dev libpantheon-wayland-1-dev meson valac
     - name: Build
       env:
         DESTDIR: out

README.md

@@ -21,6 +21,7 @@ You'll need the following dependencies:
 * libgee-0.8-dev
 * libgranite-7-dev >= 7.3.0
 * libgtk-4-dev
+* libpantheon-wayland-1-dev
 * meson
 * valac
 

meson.build

@@ -38,6 +38,7 @@ executable(
         dependency('granite-7', version: '>= 7.3.0'),
         dependency('gtk4'),
         dependency('gee-0.8'),
+        dependency('pantheon-wayland-1'),
         meson.get_compiler('vala').find_library('posix'),
     ],
     install : true

src/MainWindow.vala

@@ -15,7 +15,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-public class ShortcutOverlay.MainWindow : Gtk.Window {
+public class ShortcutOverlay.MainWindow : Gtk.Window, PantheonWayland.ExtendedBehavior {
     public MainWindow (Gtk.Application application) {
         Object (
             application: application,
@@ -41,5 +41,11 @@ public class ShortcutOverlay.MainWindow : Gtk.Window {
         titlebar.add_css_class (Granite.STYLE_CLASS_DEFAULT_DECORATION);
 
         set_titlebar (titlebar);
+
+        child.realize.connect (() => {
+            connect_to_shell ();
+            set_keep_above ();
+            make_centered ();
+        });
     }
 }