HackStudio: Make locator lose focus on close

Make locator lose focus when pressing escape or by clicking in the
editor area.

Userland/DevTools/HackStudio/Locator.cpp

@@ -103,9 +103,12 @@ Locator::Locator(Core::Object* parent)
  m_textbox->on_change = [this] {
  update_suggestions();
  };
+
  m_textbox->on_escape_pressed = [this] {
  m_popup_window->hide();
+ m_textbox->set_focus(false);
  };
+
  m_textbox->on_up_pressed = [this] {
  GUI::ModelIndex new_index = m_suggestion_view->selection().first();
  if (new_index.is_valid())
@@ -138,6 +141,10 @@ Locator::Locator(Core::Object* parent)
  open_suggestion(selected_index);
  };
 
+ m_textbox->on_focusout = [&]() {
+ close();
+ };
+
  m_popup_window = GUI::Window::construct(parent);
  // FIXME: This is obviously not a tooltip window, but it's the closest thing to what we want atm.
  m_popup_window->set_window_type(GUI::WindowType::Tooltip);