add a method to cancel a pending play_range. this is needed when we are modifying the range with keyboard commands.

gtk2_ardour/editor_keys.cc

@@ -63,8 +63,8 @@ Editor::keyboard_selection_finish (bool add)
 		selection->set (start, end);
 
 		//if session is playing a range, cancel that
-//		if (_session->get_play_range())
-//			_session->request_cancel_play_range();
+		if (_session->get_play_range())
+			_session->request_cancel_play_range();
 
 	}
 }
@@ -99,61 +99,10 @@ Editor::keyboard_selection_begin ()
 
 		//if session is playing a range, cancel that
 		if (_session->get_play_range())
-			_session->request_transport_speed ( 1.0 );
-
-		//if join playhead, locate to the newly selected start
-//		if ( !_session->transport_rolling() && Config->get_join_play_range() )
-//			_session->request_cancel_play_range();
+			_session->request_cancel_play_range();
 	}
 }
 
-/*
-void
-Editor::keyboard_selection_finish (bool add)
-{
-	if (_session && have_pending_keyboard_selection) {
-
-		framepos_t end;
-		bool ignored;
-
-		if (_session->transport_rolling()) {
-			end = _session->audible_frame();
-		} else {
-			if (!mouse_frame (end, ignored)) {
-				return;
-			}
-		}
-
-		if (add) {
-			selection->add (pending_keyboard_selection_start, end);
-		} else {
-			selection->set (pending_keyboard_selection_start, end);
-		}
-
-		have_pending_keyboard_selection = false;
-	}
-}
-
-void
-Editor::keyboard_selection_begin ()
-{
-	if (_session) {
-		if (_session->transport_rolling()) {
-			pending_keyboard_selection_start = _session->audible_frame();
-			have_pending_keyboard_selection = true;
-		} else {
-			bool ignored;
-			framepos_t where; // XXX fix me
-
-			if (mouse_frame (where, ignored)) {
-				pending_keyboard_selection_start = where;
-				have_pending_keyboard_selection = true;
-			}
-
-		}
-	}
-}*/
-
 void
 Editor::keyboard_paste ()
 {

libs/ardour/ardour/session.h

@@ -763,6 +763,7 @@ class LIBARDOUR_API Session : public PBD::StatefulDestructible, public PBD::Scop
 	/* ranges */
 
 	void request_play_range (std::list<AudioRange>*, bool leave_rolling = false);
+	void request_cancel_play_range ();
 	bool get_play_range () const { return _play_range; }
 
 	void maybe_update_session_range (framepos_t, framepos_t);

libs/ardour/ardour/session_event.h

@@ -54,6 +54,7 @@ public:
 		Audition,
 		InputConfigurationChange,
 		SetPlayAudioRange,
+		CancelPlayAudioRange,
 		RealTimeOperation,
 		AdjustPlaybackBuffering,
 		AdjustCaptureBuffering,

libs/ardour/enums.cc

@@ -369,6 +369,7 @@ setup_enum_writer ()
 	REGISTER_CLASS_ENUM (SessionEvent, Audition);
 	REGISTER_CLASS_ENUM (SessionEvent, InputConfigurationChange);
 	REGISTER_CLASS_ENUM (SessionEvent, SetPlayAudioRange);
+	REGISTER_CLASS_ENUM (SessionEvent, CancelPlayAudioRange);
 	REGISTER_CLASS_ENUM (SessionEvent, StopOnce);
 	REGISTER_CLASS_ENUM (SessionEvent, AutoLoop);
 	REGISTER (_SessionEvent_Type);

libs/ardour/session_process.cc

@@ -1142,6 +1142,10 @@ Session::process_event (SessionEvent* ev)
 		set_play_range (ev->audio_range, (ev->speed == 1.0f));
 		break;
 
+	case SessionEvent::CancelPlayAudioRange:
+		unset_play_range();
+		break;
+
 	case SessionEvent::RealTimeOperation:
 		process_rtop (ev);
 		del = false; // other side of RT request needs to clean up

libs/ardour/session_transport.cc

@@ -227,6 +227,14 @@ Session::request_play_range (list<AudioRange>* range, bool leave_rolling)
 	queue_event (ev);
 }
 
+void
+Session::request_cancel_play_range ()
+{
+	SessionEvent* ev = new SessionEvent (SessionEvent::CancelPlayAudioRange, SessionEvent::Add, SessionEvent::Immediate, 0, 0);
+	queue_event (ev);
+}
+
+
 void
 Session::realtime_stop (bool abort, bool clear_state)
 {