feature/pgtk 647e4a9 2/2: * src/pgtkmenu.c (show_help_event): Let emacs not show menu tooltips

[Yuuki Harano]

branch: feature/pgtk
commit 647e4a92bbb771e248c640b9ea4737f928ba187e
Author: Yuuki Harano <masm+github@masm11.me>
Commit: Yuuki Harano <masm+github@masm11.me>

    * src/pgtkmenu.c (show_help_event): Let emacs not show menu tooltips
---
 src/pgtkmenu.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/src/pgtkmenu.c b/src/pgtkmenu.c
index 59cc9c2..b8f4619 100644
--- a/src/pgtkmenu.c
+++ b/src/pgtkmenu.c
@@ -162,6 +162,21 @@ popup_deactivate_callback (GtkWidget * widget, gpointer 
client_data)
 static void
 show_help_event (struct frame *f, GtkWidget * widget, Lisp_Object help)
 {
+  /* Don't show this tooltip.
+   * Tooltips are always tied to main widget, so stacking order
+   * on Wayland is:
+   *   (above)
+   *   - menu
+   *   - tooltip
+   *   - main widget
+   *   (below)
+   * This is applicable to tooltips for menu, and menu tooltips
+   * are shown below menus.
+   * As a workaround, I entrust Gtk with menu tooltips, and
+   * let emacs not to show menu tooltips.
+   */
+
+#if 0
   Lisp_Object frame;
 
   if (f)
@@ -171,6 +186,7 @@ show_help_event (struct frame *f, GtkWidget * widget, 
Lisp_Object help)
     }
   else
     show_help_echo (help, Qnil, Qnil, Qnil);
+#endif
 }
 
 /* Callback called when menu items are highlighted/unhighlighted