Shortcuts: gtk4 prep (#436)

* Search: focus tree view on activate

* CPUProcessTreeView: handle collapse/expand with event controller

* MainWindow: use search.handle_event

---------

Co-authored-by: Stanisław <[email protected]>

Author: danirabbit

src/MainWindow.vala

@@ -4,9 +4,6 @@
  */
 
 public class Monitor.MainWindow : Hdy.ApplicationWindow {
-    // application reference
-    private Shortcuts shortcuts;
-
     private Resources resources;
 
     // Widgets
@@ -123,8 +120,7 @@ public class Monitor.MainWindow : Hdy.ApplicationWindow {
             this.show_all ();
         });
 
-        shortcuts = new Shortcuts (this);
-        key_press_event.connect ((e) => shortcuts.handle (e));
+        key_press_event.connect (search.handle_event);
 
         this.delete_event.connect (() => {
             int window_width, window_height;

src/Services/Shortcuts.vala

@@ -94,6 +94,18 @@ public class Monitor.CPUProcessTreeView : Gtk.TreeView {
         action_group.add_action (kill_process_action);
 
         insert_action_group ("process", action_group);
+
+        var key_controller = new Gtk.EventControllerKey (this);
+        key_controller.key_released.connect ((keyval, keycode, state) => {
+            switch (keyval) {
+                case Gdk.Key.Left:
+                    collapse ();
+                    break;
+                case Gdk.Key.Right:
+                    expanded ();
+                    break;
+            }
+        });
     }
     public void icon_cell_layout (Gtk.CellLayout cell_layout, Gtk.CellRenderer icon_cell, Gtk.TreeModel model, Gtk.TreeIter iter) {
         Value icon_name;

src/Views/ProcessView/ProcessTreeView/CPUProcessTreeView.vala

@@ -43,6 +43,10 @@ public class Monitor.Search : Gtk.SearchEntry {
                 this.insert_at_cursor ("");
             }
         });
+
+        activate.connect (() => {
+            window.process_view.process_tree_view.focus_on_first_row ();
+        });
     }
 
     private bool filter_func (Gtk.TreeModel model, Gtk.TreeIter iter) {

src/Widgets/Headerbar/Search.vala

@@ -45,7 +45,6 @@ source_app_files = [
     'Managers/ProcessUtils.vala',
 
     # Services
-    'Services/Shortcuts.vala',
     'Services/DBusServer.vala',
     'Services/Appearance.vala',