From f2e542afe7de8487eafeb38d9e5f10724840ce31 Mon Sep 17 00:00:00 2001
From: Paul Davis <paul@linuxaudiosystems.com>
Date: Wed, 25 Jan 2012 19:39:20 +0000
Subject: [PATCH] in non-note-edit mouse object mode, single click on midi
 track creates a region if nothing is selected (because said click would then
 clear the selection, as before). this makes getting started with hand-edited
 MIDI regions massively easier

git-svn-id: svn://localhost/ardour2/branches/3.0@11350 d708f5d6-7413-0410-9779-e7cbd77b26cf
---
 gtk2_ardour/editor_drag.cc | 53 +++++++++++++++++++++++++-------------
 gtk2_ardour/editor_drag.h  |  3 ++-
 2 files changed, 37 insertions(+), 19 deletions(-)

diff --git a/gtk2_ardour/editor_drag.cc b/gtk2_ardour/editor_drag.cc
index dd4249f597..269539dd72 100644
--- a/gtk2_ardour/editor_drag.cc
+++ b/gtk2_ardour/editor_drag.cc
@@ -396,6 +396,22 @@ Drag::show_verbose_cursor_text (string const & text)
 		);
 }
 
+boost::shared_ptr<Region>
+Drag::add_midi_region (MidiTimeAxisView* view)
+{
+	if (_editor->session()) {
+		const TempoMap& map (_editor->session()->tempo_map());
+		framecnt_t pos = grab_frame();
+		const Meter& m = map.meter_at (pos);
+		/* not that the frame rate used here can be affected by pull up/down which
+		   might be wrong.
+		*/
+		framecnt_t len = m.frames_per_bar (map.tempo_at (pos), _editor->session()->frame_rate());
+		return view->add_region (grab_frame(), len, true);
+	}
+
+	return boost::shared_ptr<Region>();
+}
 
 struct EditorOrderTimeAxisViewSorter {
     bool operator() (TimeAxisView* a, TimeAxisView* b) {
@@ -1443,7 +1459,7 @@ void
 RegionCreateDrag::motion (GdkEvent* event, bool first_move)
 {
 	if (first_move) {
-		add_region();
+		_region = add_midi_region (_view);
 		_view->playlist()->freeze ();
 	} else {
 		if (_region) {
@@ -1469,7 +1485,7 @@ void
 RegionCreateDrag::finished (GdkEvent*, bool movement_occurred)
 {
 	if (!movement_occurred) {
-		add_region ();
+		add_midi_region (_view);
 	} else {
 		_view->playlist()->thaw ();
 	}
@@ -1479,21 +1495,6 @@ RegionCreateDrag::finished (GdkEvent*, bool movement_occurred)
 	}
 }
 
-void
-RegionCreateDrag::add_region ()
-{
-	if (_editor->session()) {
-		const TempoMap& map (_editor->session()->tempo_map());
-		framecnt_t pos = grab_frame();
-		const Meter& m = map.meter_at (pos);
-		/* not that the frame rate used here can be affected by pull up/down which
-		   might be wrong.
-		*/
-		framecnt_t len = m.frames_per_bar (map.tempo_at (pos), _editor->session()->frame_rate());
-		_region = _view->add_region (grab_frame(), len, false);
-	}
-}
-
 void
 RegionCreateDrag::aborted (bool)
 {
@@ -3221,7 +3222,23 @@ RubberbandSelectDrag::finished (GdkEvent* event, bool movement_occurred)
 
 	} else {
 
-		deselect_things ();
+		/* just a click */
+
+		bool do_deselect = true;
+		MidiTimeAxisView* mtv;
+
+		if ((mtv = dynamic_cast<MidiTimeAxisView*>(_editor->clicked_axisview)) != 0) {
+			/* MIDI track */
+			if (_editor->selection->empty()) {
+				/* nothing selected */
+				add_midi_region (mtv);
+				do_deselect = false;
+			}
+		} 
+
+		if (do_deselect) {
+			deselect_things ();
+		}
 
 	}
 
diff --git a/gtk2_ardour/editor_drag.h b/gtk2_ardour/editor_drag.h
index e4270b9d9d..c6679af065 100644
--- a/gtk2_ardour/editor_drag.h
+++ b/gtk2_ardour/editor_drag.h
@@ -212,6 +212,8 @@ protected:
 		return _last_pointer_frame;
 	}
 
+	boost::shared_ptr<ARDOUR::Region> add_midi_region (MidiTimeAxisView*);
+
 	void show_verbose_cursor_time (framepos_t);
 	void show_verbose_cursor_duration (framepos_t, framepos_t, double xoffset = 0);
 	void show_verbose_cursor_text (std::string const &);
@@ -417,7 +419,6 @@ public:
 private:
 	MidiTimeAxisView* _view;
 	boost::shared_ptr<ARDOUR::Region> _region;
-        void add_region ();
 };
 
 /** Drags to resize MIDI notes */