X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=gtk2_ardour%2Fautomation_controller.cc;h=c7860c53cb5f5e89179ea8cc96980cc4dbae5731;hb=a79fe239355b8c6f4e86da2eb1eec43c6c4dd052;hp=0b040a30d9f7d283224c7cd5c5cde0135045c135;hpb=1de68d791725ca80da08261676a4edbe96600ed4;p=ardour.git

diff --git a/gtk2_ardour/automation_controller.cc b/gtk2_ardour/automation_controller.cc
index 0b040a30d9..c7860c53cb 100644
--- a/gtk2_ardour/automation_controller.cc
+++ b/gtk2_ardour/automation_controller.cc
@@ -70,6 +70,7 @@ AutomationController::AutomationController(boost::shared_ptr<AutomationControl>
 	, _controllable(ac)
 	, _adjustment(adj)
 	, _ignore_change(false)
+	, _grabbed(false)
 {
 	if (ac->toggled()) {
 		ArdourButton* but = manage(new ArdourButton());
@@ -165,6 +166,13 @@ AutomationController::display_effective_value ()
 {
 	double const interface_value = _controllable->internal_to_interface(_controllable->get_value());
 
+	if (_grabbed) {
+		/* we cannot use _controllable->touching() here
+		 * because that's only set in Write or Touch mode.
+		 * Besides ctrl-surfaces may also set touching()
+		 */
+		return;
+	}
 	if (_adjustment->get_value () != interface_value) {
 		_ignore_change = true;
 		_adjustment->set_value (interface_value);
@@ -197,6 +205,7 @@ AutomationController::value_adjusted ()
 void
 AutomationController::start_touch()
 {
+	_grabbed = true;
 	_controllable->start_touch (_controllable->session().transport_sample());
 }
 
@@ -204,6 +213,10 @@ void
 AutomationController::end_touch ()
 {
 	_controllable->stop_touch (_controllable->session().transport_sample());
+	if (_grabbed) {
+		_grabbed = false;
+		display_effective_value ();
+	}
 }
 
 bool