[Wayland-bugs] [Bug 720256] New: GtkScaleButton popup appears positioned randomly on the screen

[gtk+ (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=720256
  gtk+ | wayland | unspecified

           Summary: GtkScaleButton popup appears positioned randomly on
                    the screen
    Classification: Platform
           Product: gtk+
           Version: unspecified
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: wayland
        AssignedTo: gtk-bugs at gtk.org
        ReportedBy: pochu27 at gmail.com
         QAContact: gtk-bugs at gtk.org
                CC: rob at robster.org.uk, wayland-bugs at lists.freedesktop.org
     GNOME version: ---


On wayland, GtkScaleButton's popup doesn't appear on top of the button, but
randomly on the screen. This is because gtk_window_move() has no effect for
normal toplevel windows or windows that are not transient. Indeed, making the
pop transient with something like:

--- a/gtk/gtkscalebutton.c
+++ b/gtk/gtkscalebutton.c
@@ -911,6 +911,9 @@ gtk_scale_popup (GtkWidget *widget,
   x += allocation.x;
   y += allocation.y;

+  gtk_window_set_transient_for (GTK_WINDOW (priv->dock),
+                                GTK_WINDOW (gtk_widget_get_toplevel
(widget)));
+
   if (priv->orientation == GTK_ORIENTATION_VERTICAL)
     gtk_window_move (GTK_WINDOW (priv->dock), x, y - (SCALE_SIZE / 2));
   else

makes the popup properly positioned. This works with gtk+-3.10 but may not work
with gtk+ 3.11/master because of the switch to the xdg-shell protocol. I
haven't tested that.

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