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

2 files changed, 11 insertions, 0 deletions

diff --git a/libs/gtkmm2ext/barcontroller.cc b/libs/gtkmm2ext/barcontroller.cc
index 75e5d4e7d6..1b8c210fc9 100644
--- a/libs/gtkmm2ext/barcontroller.cc
+++ b/libs/gtkmm2ext/barcontroller.cc
@@ -398,6 +398,9 @@ BarController::switch_to_bar ()
 	darea.show ();
 
 	switching = false;
+
+	SpinnerActive (false); /* EMIT SIGNAL */
+	
 	return FALSE;
 }
 
@@ -421,6 +424,9 @@ BarController::switch_to_spinner ()
 	spinner.grab_focus ();
 
 	switching = false;
+
+	SpinnerActive (true); /* EMIT SIGNAL */
+
 	return FALSE;
 }
 
diff --git a/libs/gtkmm2ext/gtkmm2ext/barcontroller.h b/libs/gtkmm2ext/gtkmm2ext/barcontroller.h
index f3eb2f41cd..1a0b78dabe 100644
--- a/libs/gtkmm2ext/gtkmm2ext/barcontroller.h
+++ b/libs/gtkmm2ext/gtkmm2ext/barcontroller.h
@@ -61,6 +61,11 @@ class BarController : public Gtk::Frame
 	boost::shared_ptr<PBD::Controllable> get_controllable() { return binding_proxy.get_controllable(); }
 	void set_controllable(boost::shared_ptr<PBD::Controllable> c) { binding_proxy.set_controllable(c); }
 
+	/** Emitted when the adjustment spinner is activated or deactivated;
+	 *  the parameter is true on activation, false on deactivation.
+	 */
+	sigc::signal<void, bool> SpinnerActive;
+
   protected:
 	Gtk::Adjustment&    adjustment;
 	BindingProxy        binding_proxy;