From 01d99870ffdefa1a76093c95250f355db11609d1 Mon Sep 17 00:00:00 2001
From: Robin Gareus <robin@gareus.org>
Date: Wed, 21 Jan 2015 22:26:14 +0100
Subject: [PATCH] update selection clock

---
 gtk2_ardour/time_info_box.cc | 28 ++++++++++++++++++++++++++++
 gtk2_ardour/time_info_box.h  |  2 ++
 2 files changed, 30 insertions(+)

diff --git a/gtk2_ardour/time_info_box.cc b/gtk2_ardour/time_info_box.cc
index afd48715b3..a384ae5ed8 100644
--- a/gtk2_ardour/time_info_box.cc
+++ b/gtk2_ardour/time_info_box.cc
@@ -149,6 +149,7 @@ TimeInfoBox::TimeInfoBox ()
 	Editor::instance().get_selection().TimeChanged.connect (sigc::mem_fun (*this, &TimeInfoBox::selection_changed));
 	Editor::instance().get_selection().RegionsChanged.connect (sigc::mem_fun (*this, &TimeInfoBox::selection_changed));
 
+	Region::RegionPropertyChanged.connect (region_property_connections, invalidator (*this), boost::bind (&TimeInfoBox::region_property_change, this, _1, _2), gui_context());
 	Editor::instance().MouseModeChanged.connect (editor_connections, invalidator(*this), boost::bind (&TimeInfoBox::track_mouse_mode, this), gui_context());
 }
 
@@ -168,6 +169,33 @@ TimeInfoBox::track_mouse_mode ()
 	selection_changed ();
 }
 
+void
+TimeInfoBox::region_property_change (boost::shared_ptr<ARDOUR::Region> /* r */, const PBD::PropertyChange& what_changed)
+{
+	Selection& selection (Editor::instance().get_selection());
+
+	if (selection.regions.empty()) {
+		return;
+	}
+
+	PBD::PropertyChange our_interests;
+
+	our_interests.add (ARDOUR::Properties::position);
+	our_interests.add (ARDOUR::Properties::length);
+	our_interests.add (ARDOUR::Properties::start);
+
+	if (!what_changed.contains (our_interests)) {
+		return;
+	}
+
+	/* TODO: check if RegionSelection includes the given region.
+	 * This is not straight foward because RegionSelection is done by
+	 * RegionView (not Region itself).
+	 */
+
+	selection_changed ();
+}
+
 bool
 TimeInfoBox::clock_button_release_event (GdkEventButton* ev, AudioClock* src)
 {
diff --git a/gtk2_ardour/time_info_box.h b/gtk2_ardour/time_info_box.h
index ac4cc98ea5..d0fabae872 100644
--- a/gtk2_ardour/time_info_box.h
+++ b/gtk2_ardour/time_info_box.h
@@ -69,6 +69,7 @@ class TimeInfoBox : public CairoHPacker, public ARDOUR::SessionHandlePtr
     void watch_punch (ARDOUR::Location*);
     PBD::ScopedConnectionList punch_connections;
     PBD::ScopedConnectionList editor_connections;
+    PBD::ScopedConnectionList region_property_connections;
 
     ArdourButton punch_in_button;
     ArdourButton punch_out_button;
@@ -80,6 +81,7 @@ class TimeInfoBox : public CairoHPacker, public ARDOUR::SessionHandlePtr
 
     bool clock_button_release_event (GdkEventButton* ev, AudioClock* src);
     void track_mouse_mode ();
+    void region_property_change (boost::shared_ptr<ARDOUR::Region> r, const PBD::PropertyChange& what_changed);
 };