Somewhat distasteful hack to fix #3469 (broken keyboard-entry of pan values)

git-svn-id: svn://localhost/ardour2/branches/3.0@8090 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 10 insertions, 1 deletions

diff --git a/gtk2_ardour/mixer_strip.cc b/gtk2_ardour/mixer_strip.cc
index f5ed9d8618..dc788dd35e 100644
--- a/gtk2_ardour/mixer_strip.cc
+++ b/gtk2_ardour/mixer_strip.cc
@@ -1912,7 +1912,16 @@ bool
 MixerStrip::on_enter_notify_event (GdkEventCrossing*)
 {
 	Keyboard::magic_widget_grab_focus ();
-	grab_focus ();
+
+	if (!panners._bar_spinner_active) {
+		/* This next grab_focus() causes a focus-out event to be sent to, amongst
+		 * other things, panner BarControllers.  When they receive it, they abort
+		 * the use of any SpinButton that might be in use to change pan settings.
+		 * Hence we have this horrific hack which stops the grab_focus () call
+		 * happening if a bar spinner is active.
+		 */
+		grab_focus ();
+	}
 	return false;
 }