Add suggestions to the osk

Author: leolost2605

daemon/IBus/IBusCandidateWindow.vala

@@ -8,6 +8,8 @@
 public class Gala.Daemon.IBusCandidateWindow : Gtk.Window {
     public IBus.PanelService service { get; construct; }
 
+    public bool disabled { get; set; default = false; }
+
     private Gtk.Label preedit_text;
     private Gtk.Label auxiliary_text;
     private CandidateArea candidate_area;
@@ -61,7 +63,7 @@ public class Gala.Daemon.IBusCandidateWindow : Gtk.Window {
     }
 
     private void update_visibility () {
-        var is_visible = preedit_text.visible || auxiliary_text.visible || candidate_area.visible;
+        var is_visible = !disabled && (preedit_text.visible || auxiliary_text.visible || candidate_area.visible);
 
         if (is_visible) {
             present ();

daemon/IBus/IBusService.vala

@@ -6,11 +6,18 @@
  */
 
 public class Gala.Daemon.IBusService : Object {
+    private ListStore _candidates;
+    public ListModel candidates { get { return _candidates; } }
+
+    public bool disable_popup { get; set; default = false; }
+    public IBus.PanelService service { get; private set; }
+
     private IBus.Bus bus;
-    private IBus.PanelService service;
     private IBusCandidateWindow candidate_window;
 
     construct {
+        _candidates = new ListStore (typeof (Candidate));
+
         bus = new IBus.Bus.async ();
         bus.connected.connect (on_connected);
     }
@@ -33,5 +40,34 @@ public class Gala.Daemon.IBusService : Object {
         /* We need to go via Object.new because we need to pass construct properties */
         service = (IBus.PanelService) Object.@new (typeof (IBus.PanelService), "connection", bus.get_connection (), "object-path", IBus.PATH_PANEL);
         candidate_window = new IBusCandidateWindow (service);
+        bind_property ("disable-popup", candidate_window, "disabled", SYNC_CREATE);
+
+        service.update_lookup_table.connect (on_update_lookup_table);
+    }
+
+    private void on_update_lookup_table (IBus.LookupTable table) {
+        _candidates.remove_all ();
+
+        var n_candidates = table.get_number_of_candidates ();
+        var page_size = table.get_page_size ();
+
+        if (page_size == 0) {
+            /* I don't think 0 is intended to happen so print a warning */
+            warning ("LookupTable page size is 0, using 5");
+            page_size = 5;
+        }
+
+        var cursor_pos = table.get_cursor_pos ();
+        var page = (uint) (cursor_pos / page_size);
+
+        var start_index = page * page_size;
+        var end_index = uint.min (start_index + page_size, n_candidates);
+
+        for (uint i = start_index; i < end_index; i++) {
+            var label = table.get_label (i)?.text;
+            var candidate = table.get_candidate (i)?.text;
+
+            _candidates.append (new Candidate (label, candidate));
+        }
     }
 }

daemon/OSK/Window/Suggestions.vala

@@ -0,0 +1,41 @@
+/*
+ * Copyright 2026 elementary, Inc. (https://elementary.io)
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ *
+ * Authored by: Leonhard Kargl <leo.kargl@proton.me>
+ */
+
+public class Gala.Daemon.Suggestions : Granite.Bin {
+    public IBusService ibus_service { private get; construct; }
+
+    public Suggestions (IBusService ibus_service) {
+        Object (ibus_service: ibus_service);
+    }
+
+    construct {
+        var selection_model = new Gtk.NoSelection (ibus_service.candidates);
+
+        var factory = new Gtk.SignalListItemFactory ();
+        factory.setup.connect (on_setup);
+        factory.bind.connect (on_bind);
+
+        var list_view = new Gtk.ListView (selection_model, factory) {
+            orientation = HORIZONTAL,
+        };
+        child = list_view;
+        halign = CENTER;
+    }
+
+    private void on_setup (Object obj) {
+        var item = (Gtk.ListItem) obj;
+        item.child = new CandidateBox (ibus_service.service, item);
+    }
+
+    private void on_bind (Object obj) {
+        var item = (Gtk.ListItem) obj;
+        var candidate = (Candidate) item.item;
+
+        var box = (CandidateBox) item.child;
+        box.set_candidate (candidate);
+    }
+}

daemon/meson.build

@@ -20,6 +20,7 @@ gala_daemon_sources = files(
     'OSK' / 'KeyboardModel' / 'KeyboardView.vala',
     'OSK' / 'Parsers' / 'GnomeOSKParser.vala',
     'OSK' / 'Window' / 'OSKWindow.vala',
+    'OSK' / 'Window' / 'Suggestions.vala',
     'OSK' / 'Window' / 'Keyboard' / 'Keyboard.vala',
     'OSK' / 'Window' / 'Keyboard' / 'KeyButton.vala',
     'OSK' / 'Window' / 'Keyboard' / 'ViewContainer.vala',