MIDI cut&paste round two (not done yet); a small region trim fix from lincoln s.

git-svn-id: svn://localhost/ardour2/branches/3.0@5517 d708f5d6-7413-0410-9779-e7cbd77b26cf

11 files changed, 342 insertions, 55 deletions

diff --git a/gtk2_ardour/audio_region_view.cc b/gtk2_ardour/audio_region_view.cc
index f5dd4da3d1..d4e846aec5 100644
--- a/gtk2_ardour/audio_region_view.cc
+++ b/gtk2_ardour/audio_region_view.cc
@@ -614,6 +614,9 @@ AudioRegionView::reset_fade_in_shape_width (nframes_t width)
 	
 	fade_in_shape->property_points() = *points;
 	delete points;
+	
+	/* ensure trim handle stays on top */
+	frame_handle_start->raise_to_top();
 }
 
 void
@@ -702,6 +705,9 @@ AudioRegionView::reset_fade_out_shape_width (nframes_t width)
 
 	fade_out_shape->property_points() = *points;
 	delete points;
+	
+	/* ensure trim handle stays on top */
+	frame_handle_end->raise_to_top();
 }
 
 void
diff --git a/gtk2_ardour/editor_ops.cc b/gtk2_ardour/editor_ops.cc
index 0a7543b214..72a8d7bdf6 100644
--- a/gtk2_ardour/editor_ops.cc
+++ b/gtk2_ardour/editor_ops.cc
@@ -4011,9 +4011,9 @@ Editor::cut_copy_points (CutCopyOp op)
 void
 Editor::cut_copy_midi (CutCopyOp op)
 {
-	cerr << "CCM: there are " << selection->midi.size() << " MRV's to work on\n";
+	cerr << "CCM: there are " << selection->midi_regions.size() << " MRV's to work on\n";
 
-	for (MidiSelection::iterator i = selection->midi.begin(); i != selection->midi.end(); ++i) {
+	for (MidiRegionSelection::iterator i = selection->midi_regions.begin(); i != selection->midi_regions.end(); ++i) {
 		MidiRegionView* mrv = *i;
 		mrv->cut_copy_clear (op);
 	}
@@ -4318,8 +4318,14 @@ Editor::paste_internal (nframes64_t position, float times)
 {
 	bool commit = false;
 
-	if (cut_buffer->empty()) {
-		return;
+	if (internal_editing()) {
+		if (cut_buffer->midi_notes.empty()) {
+			return;
+		} 
+	} else {
+		if (cut_buffer->empty()) {
+			return;
+		}
 	}
 
 	if (position == max_frames) {
@@ -4341,13 +4347,38 @@ Editor::paste_internal (nframes64_t position, float times)
 		ts.push_back (entered_track);
 	}
 
+
+	cerr << "Paste into " << ts.size() << " tracks\n";
+
 	for (nth = 0, i = ts.begin(); i != ts.end(); ++i, ++nth) {
 
-		/* undo/redo is handled by individual tracks */
+		/* undo/redo is handled by individual tracks/regions */
 
-		if ((*i)->paste (position, times, *cut_buffer, nth)) {
-			commit = true;
-		}
+		if (internal_editing()) {
+			
+			RegionSelection rs;
+			RegionSelection::iterator r;
+			MidiNoteSelection::iterator cb;
+
+			get_regions_at (rs, position, ts);
+			
+
+			cerr << " We have " << cut_buffer->midi_notes.size() << " MIDI cut buffers\n";
+
+			for (cb = cut_buffer->midi_notes.begin(), r = rs.begin(); cb != cut_buffer->midi_notes.end() && r != rs.end(); ++r) {
+				MidiRegionView* mrv = dynamic_cast<MidiRegionView*> (*r);
+				if (mrv) {
+					mrv->paste (position, **cb);
+					++cb;
+				}
+			}
+
+		} else {
+
+			if ((*i)->paste (position, times, *cut_buffer, nth)) {
+				commit = true;
+			}
+		} 
 	}
 	
 	if (commit) {
diff --git a/gtk2_ardour/midi_cut_buffer.cc b/gtk2_ardour/midi_cut_buffer.cc
new file mode 100644
index 0000000000..008597bc84
--- /dev/null
+++ b/gtk2_ardour/midi_cut_buffer.cc
@@ -0,0 +1,44 @@
+/*
+    Copyright (C) 2009 Paul Davis
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "midi_cut_buffer.h"
+
+using namespace ARDOUR;
+
+MidiCutBuffer::MidiCutBuffer (Session& s)
+	: AutomatableSequence<MidiModel::TimeType> (s, 0)
+	, _origin (0)
+{
+
+}
+
+MidiCutBuffer::~MidiCutBuffer ()
+{
+}
+
+void
+MidiCutBuffer::set_origin (MidiCutBuffer::TimeType when)
+{
+	_origin = when;
+}
+
+void
+MidiCutBuffer::set (const Evoral::Sequence<MidiCutBuffer::TimeType>::Notes& notes)
+{
+	set_notes (notes);
+}
diff --git a/gtk2_ardour/midi_cut_buffer.h b/gtk2_ardour/midi_cut_buffer.h
new file mode 100644
index 0000000000..279d34d244
--- /dev/null
+++ b/gtk2_ardour/midi_cut_buffer.h
@@ -0,0 +1,45 @@
+/*
+    Copyright (C) 2009 Paul Davis
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#ifndef __gtk_ardour_midi_cut_buffer_h__
+#define __gtk_ardour_midi_cut_buffer_h__
+
+#include "ardour/midi_model.h"
+
+namespace ARDOUR {
+	class Session;
+}
+
+class MidiCutBuffer : public ARDOUR::AutomatableSequence<ARDOUR::MidiModel::TimeType> 
+{
+  public:
+	typedef ARDOUR::MidiModel::TimeType TimeType;
+
+	MidiCutBuffer (ARDOUR::Session&);
+	~MidiCutBuffer();
+
+	TimeType origin() const { return _origin; }
+	void set_origin (TimeType);
+	
+	void set (const Evoral::Sequence<TimeType>::Notes&);
+
+  private:
+	TimeType _origin;
+};
+
+#endif /* __gtk_ardour_midi_cut_buffer_h__ */
diff --git a/gtk2_ardour/midi_region_view.cc b/gtk2_ardour/midi_region_view.cc
index 9b9be486a3..7482981b71 100644
--- a/gtk2_ardour/midi_region_view.cc
+++ b/gtk2_ardour/midi_region_view.cc
@@ -47,6 +47,7 @@
 #include "ghostregion.h"
 #include "gui_thread.h"
 #include "keyboard.h"
+#include "midi_cut_buffer.h"
 #include "midi_region_view.h"
 #include "midi_streamview.h"
 #include "midi_time_axis.h"
@@ -660,7 +661,6 @@ MidiRegionView::~MidiRegionView ()
 	}
 
 	_selection.clear();
-	_cut_buffer.clear ();
 	clear_events();
 	delete _note_group;
 	delete _delta_command;
@@ -1669,17 +1669,25 @@ MidiRegionView::cut_copy_clear (Editing::CutCopyOp op)
 		return;
 	}
 
-	_cut_buffer.clear ();
+	PublicEditor& editor (trackview.editor());
 
+	switch (op) {
+	case Cut:
+	case Copy:
+		cerr << "Cut/Copy: get selection as CB\n";
+		editor.get_cut_buffer().add (selection_as_cut_buffer());
+		break;
+	default:
+		break;
+	}
+		
 	start_delta_command();
 
 	for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
 		switch (op) {
 		case Copy:
-			_cut_buffer.push_back (NoteType (*((*i)->note().get())));
 			break;
 		case Cut:
-			_cut_buffer.push_back (NoteType (*(*i)->note().get()));
 			command_remove_note (*i);
 			break;
 		case Clear:
@@ -1690,3 +1698,33 @@ MidiRegionView::cut_copy_clear (Editing::CutCopyOp op)
 	apply_command();
 }
 
+MidiCutBuffer*
+MidiRegionView::selection_as_cut_buffer () const
+{
+	Evoral::Sequence<MidiModel::TimeType>::Notes notes;
+
+	for (Selection::iterator i = _selection.begin(); i != _selection.end(); ++i) {
+		notes.push_back (boost::shared_ptr<NoteType> (new NoteType (*((*i)->note().get()))));
+	}
+
+	/* sort them into time order */
+
+	sort (notes.begin(), notes.end(), Evoral::Sequence<MidiModel::TimeType>::note_time_comparator);
+
+	MidiCutBuffer* cb = new MidiCutBuffer (trackview.session());
+	cb->set (notes);
+	
+	return cb;
+}
+
+void
+MidiRegionView::paste (nframes64_t pos, const MidiCutBuffer& mcb)
+{
+	MidiModel::DeltaCommand* cmd = _model->new_delta_command("paste");
+	for (Evoral::Sequence<MidiModel::TimeType>::Notes::const_iterator i = mcb.notes().begin(); i != mcb.notes().end(); ++i) {
+		cmd->add (boost::shared_ptr<NoteType> (new NoteType (*((*i).get()))));
+	}
+	_model->apply_command(trackview.session(), cmd);
+	
+
+}
diff --git a/gtk2_ardour/midi_region_view.h b/gtk2_ardour/midi_region_view.h
index 01d5a305cb..1d234e0d1a 100644
--- a/gtk2_ardour/midi_region_view.h
+++ b/gtk2_ardour/midi_region_view.h
@@ -57,6 +57,7 @@ class MidiTimeAxisView;
 class GhostRegion;
 class AutomationTimeAxisView;
 class AutomationRegionView;
+class MidiCutBuffer;
 
 class MidiRegionView : public RegionView
 {
@@ -100,7 +101,8 @@ class MidiRegionView : public RegionView
 	void resolve_note(uint8_t note_num, double end_time);
 
 	void cut_copy_clear (Editing::CutCopyOp);
-	
+	void paste (nframes64_t pos, const MidiCutBuffer&);
+
 	struct PCEvent {
 		PCEvent(double a_time, uint8_t a_value, uint8_t a_channel) 
 			: time(a_time), value(a_value), channel(a_channel) {}
@@ -255,23 +257,26 @@ class MidiRegionView : public RegionView
 	
 	/** Convert a timestamp in frames to beats (both relative to region start) */
 	double frames_to_beats(nframes64_t beats) const;
+
+	/** Return the current selection as a MidiModel or null if there is no selection */
+	ARDOUR::MidiModel* selection_as_model () const;
 	
   protected:
-    /** Allows derived types to specify their visibility requirements
-     * to the TimeAxisViewItem parent class.
-     */
-    MidiRegionView (ArdourCanvas::Group *,
+	/** Allows derived types to specify their visibility requirements
+	 * to the TimeAxisViewItem parent class.
+	 */
+	MidiRegionView (ArdourCanvas::Group *,
 	                RouteTimeAxisView&,
 	                boost::shared_ptr<ARDOUR::MidiRegion>,
 	                double samples_per_unit,
 	                Gdk::Color& basic_color,
 	                TimeAxisViewItem::Visibility);
-
-    void region_resized (ARDOUR::Change);
-
-    void set_flags (XMLNode *);
-    void store_flags ();
-
+	
+	void region_resized (ARDOUR::Change);
+	
+	void set_flags (XMLNode *);
+	void store_flags ();
+	
 	void reset_width_dependent_items (double pixel_width);
 
   private:
@@ -333,9 +338,8 @@ class MidiRegionView : public RegionView
 	typedef std::set<ArdourCanvas::CanvasNoteEvent*> Selection;
 	/// Currently selected CanvasNoteEvents
 	Selection _selection;
-	/// the cut buffer for this region view
-	typedef std::list<NoteType> CutBuffer;
-	CutBuffer _cut_buffer;
+
+	MidiCutBuffer* selection_as_cut_buffer () const;
 
 	/** New notes (created in the current command) which should be selected
 	 * when they appear after the command is applied. */
diff --git a/gtk2_ardour/midi_selection.h b/gtk2_ardour/midi_selection.h
index 27b8ef7352..bd6851870e 100644
--- a/gtk2_ardour/midi_selection.h
+++ b/gtk2_ardour/midi_selection.h
@@ -23,7 +23,9 @@
 #include <list>
 
 class MidiRegionView;
+class MidiCutBuffer;
 
-struct MidiSelection : std::list<MidiRegionView*> {};
+struct MidiRegionSelection : std::list<MidiRegionView*> {};
+struct MidiNoteSelection   : std::list<MidiCutBuffer*> {};
 
 #endif /* __ardour_gtk_midi_selection_h__ */
diff --git a/gtk2_ardour/route_time_axis.cc b/gtk2_ardour/route_time_axis.cc
index 87d0d07433..d8cbfbc3ea 100644
--- a/gtk2_ardour/route_time_axis.cc
+++ b/gtk2_ardour/route_time_axis.cc
@@ -1462,8 +1462,9 @@ RouteTimeAxisView::paste (nframes_t pos, float times, Selection& selection, size
 		return false;
 	}
 
-	if (get_diskstream()->speed() != 1.0f)
+	if (get_diskstream()->speed() != 1.0f) {
 		pos = session_frame_to_track_frame(pos, get_diskstream()->speed() );
+	}
 	
 	XMLNode &before = playlist->get_state();
 	playlist->paste (*p, pos, times);
diff --git a/gtk2_ardour/selection.cc b/gtk2_ardour/selection.cc
index be7552b0bd..b5454c4a12 100644
--- a/gtk2_ardour/selection.cc
+++ b/gtk2_ardour/selection.cc
@@ -53,7 +53,8 @@ Selection::operator= (const Selection& other)
 		tracks = other.tracks;
 		time = other.time;
 		lines = other.lines;
-		midi = other.midi;
+		midi_regions = other.midi_regions;
+		midi_notes = other.midi_notes;
 	}
 	return *this;
 }
@@ -68,7 +69,8 @@ operator== (const Selection& a, const Selection& b)
 		a.time == b.time &&
 		a.lines == b.lines &&
 		a.playlists == b.playlists &&
-		a.midi == b.midi;
+		a.midi_notes == b.midi_notes &&
+		a.midi_regions == b.midi_regions;
 }
 
 /** Clear everything from the Selection */
@@ -81,7 +83,8 @@ Selection::clear ()
 	clear_lines();
 	clear_time ();
 	clear_playlists ();
-	clear_midi ();
+	clear_midi_notes ();
+	clear_midi_regions ();
 }
 
 void
@@ -113,11 +116,20 @@ Selection::clear_tracks ()
 }
 
 void
-Selection::clear_midi ()
+Selection::clear_midi_notes ()
 {
-	if (!midi.empty()) {
-		midi.clear ();
-		MidiChanged ();
+	if (!midi_notes.empty()) {
+		midi_notes.clear ();
+		MidiNotesChanged ();
+	}
+}
+
+void
+Selection::clear_midi_regions ()
+{
+	if (!midi_regions.empty()) {
+		midi_regions.clear ();
+		MidiRegionsChanged ();
 	}
 }
 
@@ -185,7 +197,7 @@ void
 Selection::toggle (const list<TimeAxisView*>& track_list)
 {
 	for (list<TimeAxisView*>::const_iterator i = track_list.begin(); i != track_list.end(); ++i) {
-		toggle ( (*i) );
+		toggle ((*i));
 	}
 }
 
@@ -206,6 +218,29 @@ Selection::toggle (TimeAxisView* track)
 }
 
 void
+Selection::toggle (const MidiNoteSelection& midi_note_list)
+{
+	for (MidiNoteSelection::const_iterator i = midi_note_list.begin(); i != midi_note_list.end(); ++i) {
+		toggle ((*i));
+	}
+}
+
+void
+Selection::toggle (MidiCutBuffer* midi)
+{
+	MidiNoteSelection::iterator i;
+	
+	if ((i = find (midi_notes.begin(), midi_notes.end(), midi)) == midi_notes.end()) {
+		midi_notes.push_back (midi);
+	} else {
+		midi_notes.erase (i);
+	}
+	
+	MidiNotesChanged();
+}
+
+
+void
 Selection::toggle (RegionView* r)
 {
 	RegionSelection::iterator i;
@@ -222,15 +257,15 @@ Selection::toggle (RegionView* r)
 void
 Selection::toggle (MidiRegionView* mrv)
 {
-	MidiSelection::iterator i;
+	MidiRegionSelection::iterator i;
 
-	if ((i = find (midi.begin(), midi.end(), mrv)) == midi.end()) {
+	if ((i = find (midi_regions.begin(), midi_regions.end(), mrv)) == midi_regions.end()) {
 		add (mrv);
 	} else {
-		midi.erase (i);
+		midi_regions.erase (i);
 	}
 
-	MidiChanged ();
+	MidiRegionsChanged ();
 }
 
 void
@@ -320,6 +355,27 @@ Selection::add (TimeAxisView* track)
 }
 
 void
+Selection::add (const MidiNoteSelection& midi_list)
+{
+	const MidiNoteSelection::const_iterator b = midi_list.begin();
+	const MidiNoteSelection::const_iterator e = midi_list.end();
+
+	if (!midi_list.empty()) {
+		midi_notes.insert (midi_notes.end(), b, e);
+		MidiNotesChanged ();
+	}
+}
+
+void
+Selection::add (MidiCutBuffer* midi)
+{
+	if (find (midi_notes.begin(), midi_notes.end(), midi) == midi_notes.end()) {
+		midi_notes.push_back (midi);
+		MidiNotesChanged ();
+	}
+}
+
+void
 Selection::add (vector<RegionView*>& v)
 {
 	/* XXX This method or the add (const RegionSelection&) needs to go
@@ -378,15 +434,15 @@ Selection::add (RegionView* r)
 void
 Selection::add (MidiRegionView* mrv)
 {
-	if (find (midi.begin(), midi.end(), mrv) == midi.end()) {
-		midi.push_back (mrv);
+	if (find (midi_regions.begin(), midi_regions.end(), mrv) == midi_regions.end()) {
+		midi_regions.push_back (mrv);
 		/* XXX should we do this? */
 #if 0
 		if (Config->get_link_region_and_track_selection()) {
 			add (&mrv->get_trackview());
 		}
 #endif
-		MidiChanged ();
+		MidiRegionsChanged ();
 	}
 }
 
@@ -473,6 +529,37 @@ Selection::remove (const list<TimeAxisView*>& track_list)
 }
 
 void
+Selection::remove (const MidiNoteSelection& midi_list)
+{
+	bool changed = false;
+
+	for (MidiNoteSelection::const_iterator i = midi_list.begin(); i != midi_list.end(); ++i) {
+
+		MidiNoteSelection::iterator x;
+
+		if ((x = find (midi_notes.begin(), midi_notes.end(), (*i))) != midi_notes.end()) {
+			midi_notes.erase (x);
+			changed = true;
+		}
+	}
+
+	if (changed) {
+		MidiNotesChanged();
+	}
+}
+
+void
+Selection::remove (MidiCutBuffer* midi)
+{
+	MidiNoteSelection::iterator x;
+	
+	if ((x = find (midi_notes.begin(), midi_notes.end(), midi)) != midi_notes.end()) {
+		midi_notes.erase (x);
+		MidiNotesChanged ();
+	}
+}
+
+void
 Selection::remove (boost::shared_ptr<Playlist> track)
 {
 	list<boost::shared_ptr<Playlist> >::iterator i;
@@ -517,11 +604,11 @@ Selection::remove (RegionView* r)
 void
 Selection::remove (MidiRegionView* mrv)
 {
-	MidiSelection::iterator x;
+	MidiRegionSelection::iterator x;
 
-	if ((x = find (midi.begin(), midi.end(), mrv)) != midi.end()) {
-		midi.erase (x);
-		MidiChanged ();
+	if ((x = find (midi_regions.begin(), midi_regions.end(), mrv)) != midi_regions.end()) {
+		midi_regions.erase (x);
+		MidiRegionsChanged ();
 	}
 
 #if 0
@@ -580,6 +667,13 @@ Selection::set (const list<TimeAxisView*>& track_list)
 }
 
 void
+Selection::set (const MidiNoteSelection& midi_list)
+{
+	clear_midi_notes ();
+	add (midi_list);
+}
+
+void
 Selection::set (boost::shared_ptr<Playlist> playlist)
 {
 	clear_playlists ();
@@ -604,7 +698,7 @@ Selection::set (const RegionSelection& rs)
 void
 Selection::set (MidiRegionView* mrv) 
 {
-	clear_midi ();
+	clear_midi_regions ();
 	add (mrv);
 }
 
@@ -690,17 +784,28 @@ Selection::selected (RegionView* rv)
 }
 
 bool
-Selection::empty ()
+Selection::empty (bool internal_selection)
 {
-	return regions.empty () &&
+	bool object_level_empty =  regions.empty () &&
 		tracks.empty () &&
 		points.empty () && 
 		playlists.empty () && 
 		lines.empty () &&
 		time.empty () &&
 		playlists.empty () &&
-		markers.empty()
+		markers.empty() &&
+		midi_regions.empty()
 		;
+
+	if (!internal_selection) {
+		return object_level_empty;
+	}
+
+	/* this is intended to really only apply when using a Selection
+	   as a cut buffer.
+	*/
+
+	return object_level_empty && midi_notes.empty();
 }
 
 void
diff --git a/gtk2_ardour/selection.h b/gtk2_ardour/selection.h
index 9278935e31..288c832178 100644
--- a/gtk2_ardour/selection.h
+++ b/gtk2_ardour/selection.h
@@ -79,7 +79,8 @@ class Selection : public sigc::trackable
 	PlaylistSelection    playlists;
 	PointSelection       points;
 	MarkerSelection      markers;
-	MidiSelection        midi;
+	MidiRegionSelection  midi_regions;
+	MidiNoteSelection    midi_notes;
 
 	Selection (PublicEditor const * e) : editor (e), next_time_id (0) {
 		clear();
@@ -94,10 +95,11 @@ class Selection : public sigc::trackable
 	sigc::signal<void> PlaylistsChanged;
 	sigc::signal<void> PointsChanged;
 	sigc::signal<void> MarkersChanged;
-	sigc::signal<void> MidiChanged;
+	sigc::signal<void> MidiNotesChanged;
+	sigc::signal<void> MidiRegionsChanged;
 
 	void clear ();
-	bool empty();
+	bool empty (bool internal_selection = false);
 
 	void dump_region_layers();
 
@@ -111,6 +113,7 @@ class Selection : public sigc::trackable
 	
 	void set (TimeAxisView*);
 	void set (const std::list<TimeAxisView*>&);
+	void set (const MidiNoteSelection&);
 	void set (RegionView*, bool also_clear_tracks = true);
 	void set (MidiRegionView*);
 	void set (std::vector<RegionView*>&);
@@ -124,8 +127,10 @@ class Selection : public sigc::trackable
 
 	void toggle (TimeAxisView*);
 	void toggle (const std::list<TimeAxisView*>&);
+	void toggle (const MidiNoteSelection&);
 	void toggle (RegionView*);
 	void toggle (MidiRegionView*);
+	void toggle (MidiCutBuffer*);
 	void toggle (std::vector<RegionView*>&);
 	long toggle (nframes_t, nframes_t);
 	void toggle (ARDOUR::AutomationList*);
@@ -136,8 +141,10 @@ class Selection : public sigc::trackable
 
 	void add (TimeAxisView*);
 	void add (const std::list<TimeAxisView*>&);
+	void add (const MidiNoteSelection&);
 	void add (RegionView*);
 	void add (MidiRegionView*);
+	void add (MidiCutBuffer*);
 	void add (std::vector<RegionView*>&);
 	long add (nframes_t, nframes_t);
 	void add (boost::shared_ptr<Evoral::ControlList>);
@@ -148,8 +155,10 @@ class Selection : public sigc::trackable
 	void add (const RegionSelection&);
 	void remove (TimeAxisView*);
 	void remove (const std::list<TimeAxisView*>&);
+	void remove (const MidiNoteSelection&);
 	void remove (RegionView*);
 	void remove (MidiRegionView*);
+	void remove (MidiCutBuffer*);
 	void remove (uint32_t selection_id);
 	void remove (nframes_t, nframes_t);
 	void remove (boost::shared_ptr<ARDOUR::AutomationList>);
@@ -167,7 +176,8 @@ class Selection : public sigc::trackable
 	void clear_playlists ();
 	void clear_points ();
 	void clear_markers ();
-	void clear_midi ();
+	void clear_midi_notes ();
+	void clear_midi_regions ();
 
 	void foreach_region (void (ARDOUR::Region::*method)(void));
 	void foreach_regionview (void (RegionView::*method)(void));
diff --git a/gtk2_ardour/wscript b/gtk2_ardour/wscript
index 592b48efd0..87503ff2d3 100644
--- a/gtk2_ardour/wscript
+++ b/gtk2_ardour/wscript
@@ -126,6 +126,7 @@ gtk2_ardour_sources = [
 	'main.cc',
 	'marker.cc',
 	'midi_channel_selector.cc',
+	'midi_cut_buffer.cc',
 	'midi_port_dialog.cc',
 	'midi_region_view.cc',
 	'midi_scroomer.cc',