Port to Gtk4

.github/workflows/ci.yml

@@ -9,7 +9,7 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
 
     container:
       image: elementary/docker:next-unstable
@@ -19,11 +19,10 @@ jobs:
     - name: Install Dependencies
       run: |
         apt update
-        apt install -y libgranite-dev libgtk-3-dev meson valac
+        apt install -y libgranite-7-dev libgtk-4-dev meson valac
     - name: Build
       run: |
         meson build
-        ninja -C build
         ninja -C build install
 
   lint:

.github/workflows/merge.yml

@@ -8,14 +8,14 @@ on:
 jobs:
   gettext:
     name: Gettext
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
 
     steps:
       - name: Checkout
         uses: actions/checkout@v1
 
       - name: Gettext
-        uses: elementary/actions/gettext-template@master
+        uses: elementary/actions/gettext-template@horus
         env:
           GIT_USER_TOKEN: "${{ secrets.GIT_USER_TOKEN }}"
           GIT_USER_NAME: "elementaryBot"

.github/workflows/release.yml

@@ -10,7 +10,7 @@ on:
 jobs:
   release_deb:
     name: Release (Deb)
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
 
     if: github.event.pull_request.merged == true && true == contains(join(github.event.pull_request.labels.*.name), 'Release')
 
@@ -25,4 +25,4 @@ jobs:
          GIT_USER_NAME: "elementaryBot"
          GIT_USER_EMAIL: "builds@elementary.io"
        with:
-         release_branch: 'odin'
+         release_branch: 'horus'

README.md

@@ -4,9 +4,8 @@
 ## Building, Testing, and Installation
 
 You'll need the following dependencies:
-* libgranite-dev >= 6.0.0
-* libhandy-1
-* libgtk-3.0-dev
+* libgranite-7-dev
+* gtk4
 * libvte-2.91-dev
 * meson
 * valac

meson.build

@@ -12,11 +12,11 @@ systemd_dep = dependency('systemd')
 glib_dep = dependency('glib-2.0')
 gobject_dep = dependency('gobject-2.0')
 gio_dep = dependency('gio-2.0')
-gtk_dep = dependency('gtk+-3.0')
-gdk_dep = [ dependency('gdk-x11-3.0'), dependency('gdk-wayland-3.0') ]
+granite_dep = dependency('granite-7')
+gtk_dep = dependency('gtk4')
+gtk_x11_dep = dependency('gtk4-x11')
+wayland_dep = dependency('gtk4-wayland')
 x11_dep = dependency('x11')
-granite_dep = dependency('granite')
-handy_dep = dependency('libhandy-1')
 
 add_project_arguments(
     '--vapidir', meson.current_source_dir() / 'vapi',

src/Access/Choice.vala

@@ -26,7 +26,7 @@ public class Access.Choice : Gtk.Box {
 
         var label = new Gtk.Label (label);
         bind_property ("label", label, "label", BindingFlags.DEFAULT);
-        add (label);
+        append (label);
 
         if (options.n_children () == 0) {
             var check = new Gtk.CheckButton ();
@@ -42,7 +42,7 @@ public class Access.Choice : Gtk.Box {
                 }
             );
 
-            add (check);
+            append (check);
         } else {
             var combo = new Gtk.ComboBoxText ();
             var iter = options.iterator ();
@@ -53,7 +53,7 @@ public class Access.Choice : Gtk.Box {
             }
 
             bind_property ("selected", combo, "active-id", BindingFlags.BIDIRECTIONAL);
-            add (combo);
+            append (combo);
         }
     }
 }

src/Access/Dialog.vala

@@ -41,7 +41,6 @@ public class Access.Dialog : Granite.MessageDialog {
     private Gtk.Button grant_button;
     private Gtk.Button deny_button;
     private List<Choice> choices;
-    private Gtk.Box box;
 
     public Dialog (ButtonAction action, string app_id, string parent_window, string icon) {
         Object (
@@ -54,60 +53,55 @@ public class Access.Dialog : Granite.MessageDialog {
     }
 
     construct {
-        skip_taskbar_hint = true;
         resizable = false;
         modal = true;
 
         choices = new List<Choice> ();
-        set_role ("AccessDialog"); // used in Gala.CloseDialog
-        set_keep_above (true);
 
         if (app_id != "") {
             badge_icon = new DesktopAppInfo (app_id + ".desktop").get_icon ();
         }
 
         deny_button = add_button (_("Deny Access"), Gtk.ResponseType.CANCEL) as Gtk.Button;
         grant_button = add_button (_("Grant Access"), Gtk.ResponseType.OK) as Gtk.Button;
-        unowned var grant_context = grant_button.get_style_context ();
 
         if (action == ButtonAction.SUGGESTED) {
-            grant_context.add_class (Gtk.STYLE_CLASS_SUGGESTED_ACTION);
-            set_default (grant_button);
+            grant_button.add_css_class (Granite.STYLE_CLASS_SUGGESTED_ACTION);
+            default_widget = grant_button;
         } else {
-            grant_context.add_class (Gtk.STYLE_CLASS_DESTRUCTIVE_ACTION);
-            set_default (deny_button);
+            grant_button.add_css_class (Granite.STYLE_CLASS_DESTRUCTIVE_ACTION);
+            default_widget = deny_button;
         }
 
-        box = new Gtk.Box (Gtk.Orientation.VERTICAL, 6);
-        custom_bin.child = box;
-        box.show ();
+        custom_bin.orientation = Gtk.Orientation.VERTICAL;
+        custom_bin.spacing = 6;
 
         if (parent_window != "") {
-            realize.connect (() => {
+            ((Gtk.Widget) this).realize.connect (() => {
+                unowned var surface = get_surface ();
+
+                if (surface is Gdk.X11.Surface) {
+                    unowned var x11_surface = (Gdk.X11.Surface) surface;
+                    x11_surface.set_skip_taskbar_hint (true);
+                }
+
                 try {
-                    ExternalWindow.from_handle (parent_window).set_parent_of (get_window ());
+                    ExternalWindow.from_handle (parent_window).set_parent_of (surface);
                 } catch (Error e) {
                     warning ("Failed to associate portal window with parent %s: %s", parent_window, e.message);
                 }
             });
         }
 
         show.connect (() => {
-            var window = get_window ();
-            if (window == null) {
-                return;
-            }
-
-            window.focus (Gdk.CURRENT_TIME);
+            present_with_time (Gdk.CURRENT_TIME);
         });
-
-        response.connect_after (destroy);
     }
 
     [DBus (visible = false)]
     public void add_choice (Choice choice) {
         choices.append (choice);
-        box.add (choice);
+        custom_bin.append (choice);
     }
 
     [DBus (visible = false)]

src/Access/Portal.vala

@@ -70,13 +70,6 @@ public class Access.Portal : Object {
         var _results = new HashTable<string, Variant> (str_hash, str_equal);
         uint _response = 2;
 
-        dialog.destroy.connect (() => {
-            if (dialog.register_id != 0) {
-                connection.unregister_object (dialog.register_id);
-                dialog.register_id = 0;
-            }
-        });
-
         dialog.response.connect ((id) => {
             switch (id) {
                 case Gtk.ResponseType.OK:
@@ -100,9 +93,12 @@ public class Access.Portal : Object {
             access_dialog.callback ();
         });
 
-        dialog.show_all ();
+        dialog.present ();
         yield;
 
+        connection.unregister_object (dialog.register_id);
+        dialog.destroy ();
+
         results = _results;
         response = _response;
     }

src/AppChooser/AppButton.vala

@@ -15,22 +15,17 @@ public class AppChooser.AppButton : Gtk.ListBoxRow {
 
         var icon = new Gtk.Image () {
             gicon = app_info.get_icon () ?? new ThemedIcon ("application-default-icon"),
-            icon_size = Gtk.IconSize.DND
+            icon_size = Gtk.IconSize.LARGE
         };
 
         var name = new Gtk.Label (app_info.get_display_name ()) {
             ellipsize = Pango.EllipsizeMode.END
         };
 
-        var grid = new Gtk.Grid () {
-            column_spacing = 6,
-            margin = 3,
-            margin_start = 6,
-            margin_end = 6
-        };
-        grid.add (icon);
-        grid.add (name);
+        var box = new Gtk.Box (Gtk.Orientation.HORIZONTAL, 6);
+        box.append (icon);
+        box.append (name);
 
-        add (grid);
+        child = box;
     }
 }