Escape key now closes tooltips

src/window.cpp

@@ -2011,8 +2011,11 @@ bool Window::on_key_press_event(GdkEventKey *event) {
     }
   }
 
-  if(event->keyval == GDK_KEY_Escape)
+  if(event->keyval == GDK_KEY_Escape) {
     EntryBox::get().hide();
+    if(auto view = Notebook::get().get_current_view())
+      view->hide_tooltips();
+  }
 #ifdef __APPLE__ // For Apple's Command-left, right, up, down keys
   else if((event->state & GDK_META_MASK) > 0 && (event->state & GDK_MOD1_MASK) == 0) {
     if(event->keyval == GDK_KEY_Left || event->keyval == GDK_KEY_KP_Left) {