Factor regions list out of Editor.

git-svn-id: svn://localhost/ardour2/branches/3.0@5312 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 1228 insertions, 0 deletions

diff --git a/gtk2_ardour/editor_regions.cc b/gtk2_ardour/editor_regions.cc
new file mode 100644
index 0000000000..dadeca4b1d
--- /dev/null
+++ b/gtk2_ardour/editor_regions.cc
@@ -0,0 +1,1228 @@
+/*
+    Copyright (C) 2000-2005 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 <cstdlib>
+#include <cmath>
+#include <algorithm>
+#include <string>
+#include <sstream>
+
+#include "pbd/basename.h"
+
+#include "ardour/audioregion.h"
+#include "ardour/audiofilesource.h"
+#include "ardour/silentfilesource.h"
+#include "ardour/session_region.h"
+#include "ardour/profile.h"
+
+#include <gtkmm2ext/stop_signal.h>
+
+#include "editor.h"
+#include "editing.h"
+#include "keyboard.h"
+#include "ardour_ui.h"
+#include "gui_thread.h"
+#include "actions.h"
+#include "region_view.h"
+#include "utils.h"
+#include "editor_regions.h"
+
+#include "i18n.h"
+
+using namespace std;
+using namespace sigc;
+using namespace ARDOUR;
+using namespace PBD;
+using namespace Gtk;
+using namespace Glib;
+using namespace Editing;
+
+EditorRegions::EditorRegions (Editor* e)
+	: EditorComponent (e),
+	  _menu (0),
+	  _show_automatic_regions (true),
+	  _sort_type ((Editing::RegionListSortType) 0),
+	  _no_redisplay (false)
+{
+	_display.set_size_request (100, -1);
+	_display.set_name ("RegionListDisplay");
+	/* Try to prevent single mouse presses from initiating edits.
+	   This relies on a hack in gtktreeview.c:gtk_treeview_button_press()
+	*/
+	_display.set_data ("mouse-edits-require-mod1", (gpointer) 0x1);
+
+	_model = TreeStore::create (_columns);
+	_model->set_sort_func (0, mem_fun (*this, &EditorRegions::sorter));
+	_model->set_sort_column (0, SORT_ASCENDING);
+
+	_display.set_model (_model);
+	_display.append_column (_("Regions"), _columns.name);
+	_display.append_column (_("Start"), _columns.start);
+	_display.append_column (_("End"), _columns.end);
+	_display.append_column (_("Length"), _columns.length);
+	_display.append_column (_("Sync"), _columns.sync);
+	_display.append_column (_("Fade In"), _columns.fadein);
+	_display.append_column (_("Fade Out"), _columns.fadeout);
+	_display.append_column (_("L"), _columns.locked);
+	_display.append_column (_("G"), _columns.glued);
+	_display.append_column (_("M"), _columns.muted);
+	_display.append_column (_("O"), _columns.opaque);
+	_display.append_column (_("Used"), _columns.used);
+	_display.append_column (_("Path"), _columns.path);
+	_display.set_headers_visible (true);
+	//_display.set_grid_lines (TREE_VIEW_GRID_LINES_BOTH);
+	
+	CellRendererText* region_name_cell = dynamic_cast<CellRendererText*>(_display.get_column_cell_renderer (0));
+	region_name_cell->property_editable() = true;
+	region_name_cell->signal_edited().connect (mem_fun (*this, &EditorRegions::name_edit));
+
+	_display.get_selection()->set_select_function (mem_fun (*this, &EditorRegions::selection_filter));
+	
+	TreeViewColumn* tv_col = _display.get_column(0);
+	CellRendererText* renderer = dynamic_cast<CellRendererText*>(_display.get_column_cell_renderer (0));
+	tv_col->add_attribute(renderer->property_text(), _columns.name);
+	tv_col->add_attribute(renderer->property_foreground_gdk(), _columns.color_);
+	
+	_display.get_selection()->set_mode (SELECTION_MULTIPLE);
+	_display.add_object_drag (_columns.region.index(), "regions");
+	
+	/* setup DnD handling */
+	
+	list<TargetEntry> region_list_target_table;
+	
+	region_list_target_table.push_back (TargetEntry ("text/plain"));
+	region_list_target_table.push_back (TargetEntry ("text/uri-list"));
+	region_list_target_table.push_back (TargetEntry ("application/x-rootwin-drop"));
+	
+	_display.add_drop_targets (region_list_target_table);
+	_display.signal_drag_data_received().connect (mem_fun(*this, &EditorRegions::drag_data_received));
+
+	_scroller.add (_display);
+	_scroller.set_policy (POLICY_AUTOMATIC, POLICY_AUTOMATIC);
+	
+	_display.signal_key_press_event().connect (mem_fun(*this, &EditorRegions::key_press));
+	_display.signal_key_release_event().connect (mem_fun(*this, &EditorRegions::key_release));
+	_display.signal_button_press_event().connect (mem_fun(*this, &EditorRegions::button_press), false);
+	_display.signal_button_release_event().connect (mem_fun(*this, &EditorRegions::button_release));
+	_change_connection = _display.get_selection()->signal_changed().connect (mem_fun(*this, &EditorRegions::selection_changed));
+	// _display.signal_popup_menu().connect (bind (mem_fun (*this, &Editor::show__display_context_menu), 1, 0));
+	
+	//ARDOUR_UI::instance()->secondary_clock.mode_changed.connect (mem_fun(*this, &Editor::redisplay_regions));
+	ARDOUR_UI::instance()->secondary_clock.mode_changed.connect (mem_fun(*this, &EditorRegions::update_all_rows));
+	ARDOUR::Region::RegionPropertyChanged.connect (mem_fun(*this, &EditorRegions::update_row));
+	
+}
+
+void
+EditorRegions::connect_to_session (ARDOUR::Session* s)
+{
+	EditorComponent::connect_to_session (s);
+	
+	_session_connections.push_back (_session->RegionsAdded.connect (mem_fun(*this, &EditorRegions::handle_new_regions)));
+	_session_connections.push_back (_session->RegionRemoved.connect (mem_fun(*this, &EditorRegions::handle_region_removed)));
+	_session_connections.push_back (_session->RegionHiddenChange.connect (mem_fun(*this, &EditorRegions::region_hidden)));
+
+	redisplay ();
+}
+
+void
+EditorRegions::handle_region_removed (boost::weak_ptr<Region> wregion)
+{
+	ENSURE_GUI_THREAD (bind (mem_fun (*this, &EditorRegions::handle_region_removed), wregion));
+	
+	redisplay ();
+}
+
+void
+EditorRegions::handle_new_regions (vector<boost::weak_ptr<Region> >& v)
+{
+	ENSURE_GUI_THREAD (bind (mem_fun (*this, &EditorRegions::handle_new_regions), v));
+	add_regions (v);
+}
+
+void
+EditorRegions::region_hidden (boost::shared_ptr<Region> r)
+{
+	ENSURE_GUI_THREAD(bind (mem_fun(*this, &EditorRegions::region_hidden), r));	
+	redisplay ();
+}
+
+void
+EditorRegions::add_regions (vector<boost::weak_ptr<Region> >& regions)
+{
+	for (vector<boost::weak_ptr<Region> >::iterator x = regions.begin(); x != regions.end(); ++x) {
+		boost::shared_ptr<Region> region ((*x).lock());
+		if (region) {
+			add_region (region);
+		}
+	}
+}
+
+void
+EditorRegions::add_region (boost::shared_ptr<Region> region)
+{
+	if (!region || !_session) {
+		return;
+	}
+	
+	string str;
+	TreeModel::Row row;
+	Gdk::Color c;
+	bool missing_source = boost::dynamic_pointer_cast<SilentFileSource>(region->source());
+
+	if (!_show_automatic_regions && region->automatic()) {
+		return;
+	}
+
+	if (region->hidden()) {
+		TreeModel::iterator iter = _model->get_iter ("0");
+		TreeModel::Row parent;
+		TreeModel::Row child;
+
+		if (!iter) {
+			parent = *(_model->append());
+			parent[_columns.name] = _("Hidden");
+			boost::shared_ptr<Region> proxy = parent[_columns.region];
+			proxy.reset ();
+		} else {
+			if ((*iter)[_columns.name] != _("Hidden")) {
+				parent = *(_model->insert(iter));
+				parent[_columns.name] = _("Hidden");
+				boost::shared_ptr<Region> proxy = parent[_columns.region];
+				proxy.reset ();
+			} else {
+				parent = *iter;
+			}
+		}
+
+		row = *(_model->append (parent.children()));
+
+	} else if (region->whole_file()) {
+
+		TreeModel::iterator i;
+		TreeModel::Children rows = _model->children();
+
+		for (i = rows.begin(); i != rows.end(); ++i) {
+			boost::shared_ptr<Region> rr = (*i)[_columns.region];
+			
+			if (rr && region->region_list_equivalent (rr)) {
+				return;
+			}
+		}
+
+		row = *(_model->append());
+		
+		if (missing_source) {
+			c.set_rgb(65535,0,0);     // FIXME: error color from style
+		
+		} else if (region->automatic()){
+			c.set_rgb(0,65535,0);     // FIXME: error color from style
+		
+		} else {
+			set_color(c, rgba_from_style ("RegionListWholeFile", 0xff, 0, 0, 0, "fg", Gtk::STATE_NORMAL, false ));
+		
+		}
+		
+		row[_columns.color_] = c;
+
+		if (region->source()->name()[0] == '/') { // external file
+			
+			if (region->whole_file()) {
+				
+				boost::shared_ptr<AudioFileSource> afs = boost::dynamic_pointer_cast<AudioFileSource>(region->source());
+				str = ".../";
+
+				if (afs) {
+					str = region_name_from_path (afs->path(), region->n_channels() > 1);
+				} else {
+					str += region->source()->name();
+				}
+
+			} else {
+				str = region->name();
+			}
+
+		} else {
+			str = region->name();
+		}
+
+		if (region->n_channels() > 1) {
+			std::stringstream foo;
+			foo << region->n_channels ();
+			str += " [";
+			str += foo.str();
+			str += "]";
+		}
+
+		row[_columns.name] = str;
+		row[_columns.region] = region;
+		
+		if (missing_source) {
+			row[_columns.path] = _("(MISSING) ") + region->source()->name();
+		
+		} else {
+			row[_columns.path] = region->source()->name();
+		
+		} 
+		
+		if (region->automatic()) {
+			return;
+		}
+			
+	} else {
+
+		/* find parent node, add as new child */
+		
+		TreeModel::iterator i;
+		TreeModel::Children rows = _model->children();
+		bool found_parent = false;
+
+		for (i = rows.begin(); i != rows.end(); ++i) {
+			boost::shared_ptr<Region> rr = (*i)[_columns.region];
+			boost::shared_ptr<AudioRegion> r = boost::dynamic_pointer_cast<AudioRegion>(rr);
+			
+			if (r && r->whole_file()) {
+				
+				if (region->source_equivalent (r)) {
+					row = *(_model->append ((*i).children()));
+					found_parent = true;
+					break;
+				}
+			}
+			
+			TreeModel::iterator ii;
+			TreeModel::Children subrows = (*i).children();
+
+			for (ii = subrows.begin(); ii != subrows.end(); ++ii) {
+				boost::shared_ptr<Region> rrr = (*ii)[_columns.region];
+
+				if (region->region_list_equivalent (rrr)) {
+					return;
+				
+				}
+			}
+		}
+		
+		if (!found_parent) {
+			row = *(_model->append());
+		}	
+	}
+	
+	row[_columns.region] = region;
+	
+	populate_row(region, (*row));
+}
+
+
+void
+EditorRegions::region_changed (Change what_changed, boost::weak_ptr<Region> region)
+{
+	ENSURE_GUI_THREAD (bind (mem_fun (*this, &EditorRegions::region_changed), what_changed, region));
+	
+	boost::shared_ptr<Region> r = region.lock ();
+	
+	if (!r) {
+		return;
+	}
+	
+	if (what_changed & ARDOUR::NameChanged) {
+		/* find the region in our model and change its name */
+		TreeModel::Children rows = _model->children ();
+		TreeModel::iterator i = rows.begin ();
+		while (i != rows.end ()) {
+			TreeModel::Children children = (*i)->children ();
+			TreeModel::iterator j = children.begin ();
+			while (j != children.end()) {
+				boost::shared_ptr<Region> c = (*j)[_columns.region];
+				if (c == r) {
+					break;
+				}
+				++j;
+			}
+
+			if (j != children.end()) {
+				(*j)[_columns.name] = r->name ();
+				break;
+			}
+			
+			++i;
+		}
+
+	}
+}
+
+void
+EditorRegions::selection_changed () 
+{
+	if (_display.get_selection()->count_selected_rows() > 0) {
+		
+		TreeIter iter;
+		TreeView::Selection::ListHandle_Path rows = _display.get_selection()->get_selected_rows ();
+		
+		_editor->deselect_all ();
+		
+		for (TreeView::Selection::ListHandle_Path::iterator i = rows.begin(); i != rows.end(); ++i) {
+			
+			if (iter = _model->get_iter (*i)) {									// they could have clicked on a row that is just a placeholder, like "Hidden"
+				boost::shared_ptr<Region> region = (*iter)[_columns.region];
+				
+				if (region) {
+					
+					if (region->automatic()) {
+						_display.get_selection()->unselect(*i);
+						
+					} else {
+						_change_connection.block (true);
+						//editor_regions_selection_changed_connection.block(true);
+
+						_editor->set_selected_regionview_from_region_list (region, Selection::Add);
+
+						_change_connection.block (false);
+						//editor_regions_selection_changed_connection.block(false);
+					}
+				}
+			}
+		}
+	} else {
+		_editor->deselect_all ();
+	}
+}
+
+void
+EditorRegions::set_selected (RegionSelection& regions)
+{
+	for (RegionSelection::iterator iter = regions.begin(); iter != regions.end(); ++iter) {
+	
+		TreeModel::iterator i;
+		TreeModel::Children rows = _model->children();
+		boost::shared_ptr<Region> r ((*iter)->region());
+		
+		for (i = rows.begin(); i != rows.end(); ++i) {
+			
+			boost::shared_ptr<Region> compared_region = (*i)[_columns.region];
+
+			if (r == compared_region) {
+				_display.get_selection()->select(*i);
+				break;
+			}
+			
+			if (!(*i).children().empty()) {
+				if (set_selected_in_subrow(r, (*i), 2)) {
+					break;
+				}
+			}
+		}
+	}
+}
+
+bool
+EditorRegions::set_selected_in_subrow (boost::shared_ptr<Region> region, TreeModel::Row const &parent_row, int level)
+{
+	TreeModel::iterator i;
+	TreeModel::Children subrows = (*parent_row).children();
+	
+	for (i = subrows.begin(); i != subrows.end(); ++i) {
+		
+		boost::shared_ptr<Region> compared_region = (*i)[_columns.region];
+		
+		if (region == compared_region) {
+			_display.get_selection()->select(*i);
+			return true;
+		}
+		
+		if (!(*i).children().empty()) {
+			if (set_selected_in_subrow (region, (*i), level + 1)) {
+				return true;
+			}
+		}
+	}
+	return false;
+}
+
+void
+EditorRegions::insert_into_tmp_regionlist(boost::shared_ptr<Region> region)
+{
+	/* keep all whole files at the beginning */
+	
+	if (region->whole_file()) {
+		tmp_region_list.push_front (region);
+	} else {
+		tmp_region_list.push_back (region);
+	}
+}
+
+void
+EditorRegions::redisplay ()
+{	
+	if (_no_redisplay || !_session) {
+		return;
+	}
+		
+	bool tree_expanded = false;
+	
+	if (_toggle_full_action && _toggle_full_action->get_active()) {   //If the list was expanded prior to rebuilding, 
+		tree_expanded = true;																//expand it again afterwards
+	}
+	
+	_display.set_model (Glib::RefPtr<Gtk::TreeStore>(0));
+	_model->clear ();
+
+	/* now add everything we have, via a temporary list used to help with
+		sorting.
+	*/
+	
+	tmp_region_list.clear();
+	_session->foreach_region (this, &EditorRegions::insert_into_tmp_regionlist);
+
+	for (list<boost::shared_ptr<Region> >::iterator r = tmp_region_list.begin(); r != tmp_region_list.end(); ++r) {
+		add_region (*r);
+	}
+	tmp_region_list.clear();
+	
+	_display.set_model (_model);
+	
+	if (tree_expanded) {
+		_display.expand_all();
+	}
+}
+
+void
+EditorRegions::update_row (boost::shared_ptr<Region> region)
+{	
+	if (!region || !_session) {
+		return;
+	}
+	
+	TreeModel::iterator i;
+	TreeModel::Children rows = _model->children();
+	
+	for (i = rows.begin(); i != rows.end(); ++i) {
+		
+//		cerr << "Level 1: Compare " << region->name() << " with parent " << (*i)[_columns.name] << "\n";
+		
+		boost::shared_ptr<Region> compared_region = (*i)[_columns.region];
+		
+		if (region == compared_region) {
+//			cerr << "Matched\n";
+			populate_row(region, (*i));
+			return;
+		}
+		
+		if (!(*i).children().empty()) {
+			if (update_subrows(region, (*i), 2)) {
+				return;
+			}
+		}
+	}
+//	cerr << "Returning - No match\n";
+}
+
+bool
+EditorRegions::update_subrows (boost::shared_ptr<Region> region, TreeModel::Row const &parent_row, int level)
+{
+	TreeModel::iterator i;
+	TreeModel::Children subrows = (*parent_row).children();
+	
+	for (i = subrows.begin(); i != subrows.end(); ++i) {
+		
+//		cerr << "Level " << level << ": Compare " << region->name() << " with child " << (*i)[_columns.name] << "\n";
+		
+		boost::shared_ptr<Region> compared_region = (*i)[_columns.region];
+		
+		if (region == compared_region) {
+			populate_row(region, (*i));
+//			cerr << "Matched\n";
+			return true;
+		}
+		
+		if (!(*i).children().empty()) {
+			if (update_subrows (region, (*i), level + 1)) {
+				return true;
+			}
+		}
+	}
+	return false;
+}
+
+void
+EditorRegions::update_all_rows ()
+{
+	if (!_session) {
+		return;
+	}
+
+	TreeModel::iterator i;
+	TreeModel::Children rows = _model->children();
+	
+	for (i = rows.begin(); i != rows.end(); ++i) {
+		
+		boost::shared_ptr<Region> region = (*i)[_columns.region];
+	
+		if (!region->automatic()) {
+			cerr << "level 1 : Updating " << region->name() << "\n";
+			populate_row(region, (*i));
+		}
+		
+		if (!(*i).children().empty()) {
+			update_all_subrows ((*i), 2);
+		}
+	}
+}
+
+void
+EditorRegions::update_all_subrows (TreeModel::Row const &parent_row, int level)
+{
+	TreeModel::iterator i;
+	TreeModel::Children subrows = (*parent_row).children();
+	
+	for (i = subrows.begin(); i != subrows.end(); ++i) {
+		
+		boost::shared_ptr<Region> region = (*i)[_columns.region];
+		
+		if (!region->automatic()) {
+			cerr << "level " << level << " : Updating " << region->name() << "\n";
+			populate_row(region, (*i));
+		}
+			
+		if (!(*i).children().empty()) {
+			update_all_subrows ((*i), level + 1);
+		}
+	}
+}
+
+void
+EditorRegions::populate_row (boost::shared_ptr<Region> region, TreeModel::Row const &row)
+{
+	char start_str[16];
+	char end_str[16];
+	char length_str[16];
+	char sync_str[16];
+	char fadein_str[16];
+	char fadeout_str[16];
+	char used_str[8];
+	int used;
+	BBT_Time bbt;				// FIXME Why do these have to be declared here ?
+	SMPTE::Time smpte;			// FIXME I would like them declared in the case statment where they are used.
+	
+	bool missing_source = boost::dynamic_pointer_cast<SilentFileSource>(region->source());
+	
+	boost::shared_ptr<AudioRegion> audioRegion = boost::dynamic_pointer_cast<AudioRegion>(region);
+	
+	bool fades_in_seconds = false;
+
+	start_str[0] = '\0';
+	end_str[0] = '\0';
+	length_str[0] = '\0';
+	sync_str[0] = '\0';
+	fadein_str[0] = '\0';
+	fadeout_str[0] = '\0';
+	used_str[0] = '\0';
+
+	used = _editor->get_regionview_count_from_region_list (region);
+	sprintf (used_str, "%4d" , used);
+	
+	switch (ARDOUR_UI::instance()->secondary_clock.mode ()) {
+	case AudioClock::SMPTE:
+	case AudioClock::Off:												/* If the secondary clock is off, default to SMPTE */
+		_session->smpte_time (region->position(), smpte);
+		sprintf (start_str, "%02d:%02d:%02d:%02d", smpte.hours, smpte.minutes, smpte.seconds, smpte.frames);
+		_session->smpte_time (region->position() + region->length() - 1, smpte);
+		sprintf (end_str, "%02d:%02d:%02d:%02d", smpte.hours, smpte.minutes, smpte.seconds, smpte.frames);
+		_session->smpte_time (region->length(), smpte);
+		sprintf (length_str, "%02d:%02d:%02d:%02d", smpte.hours, smpte.minutes, smpte.seconds, smpte.frames);
+		_session->smpte_time (region->sync_position() + region->position(), smpte);
+		sprintf (sync_str, "%02d:%02d:%02d:%02d", smpte.hours, smpte.minutes, smpte.seconds, smpte.frames);
+		
+		if (audioRegion && !fades_in_seconds) {	
+			_session->smpte_time (audioRegion->fade_in()->back()->when, smpte);
+			sprintf (fadein_str, "%02d:%02d:%02d:%02d", smpte.hours, smpte.minutes, smpte.seconds, smpte.frames);
+			_session->smpte_time (audioRegion->fade_out()->back()->when, smpte);
+			sprintf (fadeout_str, "%02d:%02d:%02d:%02d", smpte.hours, smpte.minutes, smpte.seconds, smpte.frames);
+		}
+		
+		break;
+		
+	case AudioClock::BBT:
+		_session->tempo_map().bbt_time (region->position(), bbt);
+		sprintf (start_str, "%03d|%02d|%04d" , bbt.bars, bbt.beats, bbt.ticks);
+		_session->tempo_map().bbt_time (region->position() + region->length() - 1, bbt);
+		sprintf (end_str, "%03d|%02d|%04d" , bbt.bars, bbt.beats, bbt.ticks);
+		_session->tempo_map().bbt_time (region->length(), bbt);
+		sprintf (length_str, "%03d|%02d|%04d" , bbt.bars, bbt.beats, bbt.ticks);
+		_session->tempo_map().bbt_time (region->sync_position() + region->position(), bbt);
+		sprintf (sync_str, "%03d|%02d|%04d" , bbt.bars, bbt.beats, bbt.ticks);
+		
+		if (audioRegion && !fades_in_seconds) {
+			_session->tempo_map().bbt_time (audioRegion->fade_in()->back()->when, bbt);
+			sprintf (fadein_str, "%03d|%02d|%04d" , bbt.bars, bbt.beats, bbt.ticks);
+			_session->tempo_map().bbt_time (audioRegion->fade_out()->back()->when, bbt);
+			sprintf (fadeout_str, "%03d|%02d|%04d" , bbt.bars, bbt.beats, bbt.ticks);
+		} 
+		break;
+		
+	case AudioClock::MinSec:
+		nframes_t left;
+		int hrs;
+		int mins;
+		float secs;
+	
+		left = region->position();
+		hrs = (int) floor (left / (_session->frame_rate() * 60.0f * 60.0f));
+		left -= (nframes_t) floor (hrs * _session->frame_rate() * 60.0f * 60.0f);
+		mins = (int) floor (left / (_session->frame_rate() * 60.0f));
+		left -= (nframes_t) floor (mins * _session->frame_rate() * 60.0f);
+		secs = left / (float) _session->frame_rate();
+		sprintf (start_str, "%02d:%02d:%06.3f", hrs, mins, secs);
+		
+		left = region->position() + region->length() - 1;
+		hrs = (int) floor (left / (_session->frame_rate() * 60.0f * 60.0f));
+		left -= (nframes_t) floor (hrs * _session->frame_rate() * 60.0f * 60.0f);
+		mins = (int) floor (left / (_session->frame_rate() * 60.0f));
+		left -= (nframes_t) floor (mins * _session->frame_rate() * 60.0f);
+		secs = left / (float) _session->frame_rate();
+		sprintf (end_str, "%02d:%02d:%06.3f", hrs, mins, secs);
+		
+		left = region->length();
+		hrs = (int) floor (left / (_session->frame_rate() * 60.0f * 60.0f));
+		left -= (nframes_t) floor (hrs * _session->frame_rate() * 60.0f * 60.0f);
+		mins = (int) floor (left / (_session->frame_rate() * 60.0f));
+		left -= (nframes_t) floor (mins * _session->frame_rate() * 60.0f);
+		secs = left / (float) _session->frame_rate();
+		sprintf (length_str, "%02d:%02d:%06.3f", hrs, mins, secs);
+		
+		left = region->sync_position() + region->position();
+		hrs = (int) floor (left / (_session->frame_rate() * 60.0f * 60.0f));
+		left -= (nframes_t) floor (hrs * _session->frame_rate() * 60.0f * 60.0f);
+		mins = (int) floor (left / (_session->frame_rate() * 60.0f));
+		left -= (nframes_t) floor (mins * _session->frame_rate() * 60.0f);
+		secs = left / (float) _session->frame_rate();
+		sprintf (sync_str, "%02d:%02d:%06.3f", hrs, mins, secs);
+		
+		if (audioRegion && !fades_in_seconds) {
+			left = audioRegion->fade_in()->back()->when;
+			hrs = (int) floor (left / (_session->frame_rate() * 60.0f * 60.0f));
+			left -= (nframes_t) floor (hrs * _session->frame_rate() * 60.0f * 60.0f);
+			mins = (int) floor (left / (_session->frame_rate() * 60.0f));
+			left -= (nframes_t) floor (mins * _session->frame_rate() * 60.0f);
+			secs = left / (float) _session->frame_rate();
+			sprintf (fadein_str, "%02d:%02d:%06.3f", hrs, mins, secs);
+			
+			left = audioRegion->fade_out()->back()->when;
+			hrs = (int) floor (left / (_session->frame_rate() * 60.0f * 60.0f));
+			left -= (nframes_t) floor (hrs * _session->frame_rate() * 60.0f * 60.0f);
+			mins = (int) floor (left / (_session->frame_rate() * 60.0f));
+			left -= (nframes_t) floor (mins * _session->frame_rate() * 60.0f);
+			secs = left / (float) _session->frame_rate();
+			sprintf (fadeout_str, "%02d:%02d:%06.3f", hrs, mins, secs);
+		}
+		
+		break;
+		
+	case AudioClock::Frames:
+		snprintf (start_str, sizeof (start_str), "%u", region->position());
+		snprintf (end_str, sizeof (end_str), "%u", (region->position() + region->length() - 1));
+		snprintf (length_str, sizeof (length_str), "%u", region->length());
+		snprintf (sync_str, sizeof (sync_str), "%u", region->sync_position() + region->position());
+		
+		if (audioRegion && !fades_in_seconds) {
+			snprintf (fadein_str, sizeof (fadein_str), "%u", uint (audioRegion->fade_in()->back()->when));
+			snprintf (fadeout_str, sizeof (fadeout_str), "%u", uint (audioRegion->fade_out()->back()->when));
+		}
+		
+		break;
+	
+	default:
+		break;
+	}
+	
+	if (audioRegion && fades_in_seconds) {
+			
+		nframes_t left;
+		int mins;
+		int millisecs;
+		
+		left = audioRegion->fade_in()->back()->when;
+		mins = (int) floor (left / (_session->frame_rate() * 60.0f));
+		left -= (nframes_t) floor (mins * _session->frame_rate() * 60.0f);
+		millisecs = (int) floor ((left * 1000.0f) / _session->frame_rate());
+		
+		if (audioRegion->fade_in()->back()->when >= _session->frame_rate()) {
+			sprintf (fadein_str, "%01dM %01dmS", mins, millisecs);
+		} else {
+			sprintf (fadein_str, "%01dmS", millisecs);
+		}
+		
+		left = audioRegion->fade_out()->back()->when;
+		mins = (int) floor (left / (_session->frame_rate() * 60.0f));
+		left -= (nframes_t) floor (mins * _session->frame_rate() * 60.0f);
+		millisecs = (int) floor ((left * 1000.0f) / _session->frame_rate());
+		
+		if (audioRegion->fade_out()->back()->when >= _session->frame_rate()) {
+			sprintf (fadeout_str, "%01dM %01dmS", mins, millisecs);
+		} else {
+			sprintf (fadeout_str, "%01dmS", millisecs);
+		}
+	}
+	
+	if (used > 1) {
+		row[_columns.start] = _("Multiple");
+		row[_columns.end] = _("Multiple");
+		row[_columns.sync] = _("Multiple");
+		row[_columns.fadein] = _("Multiple");
+		row[_columns.fadeout] = _("Multiple");
+		row[_columns.locked] = false;
+		row[_columns.glued] = false;
+		row[_columns.muted] = false;
+		row[_columns.opaque] = false;
+	} else {
+		row[_columns.start] = start_str;
+		row[_columns.end] = end_str;
+		
+		if (region->sync_position() == 0) {
+			row[_columns.sync] = _("Start");
+		} else if (region->sync_position() == region->length() - 1) {
+			row[_columns.sync] = _("End");
+		} else {
+			row[_columns.sync] = sync_str;
+		}
+	
+		if (audioRegion) {
+			if (audioRegion->fade_in_active()) {
+				row[_columns.fadein] = string_compose("%1%2%3", " ", fadein_str, " ");
+			} else {
+				row[_columns.fadein] = string_compose("%1%2%3", "(", fadein_str, ")");
+			}
+		} else {
+			row[_columns.fadein] = "";
+		}
+
+		if (audioRegion) {
+			if (audioRegion->fade_out_active()) {
+				row[_columns.fadeout] = string_compose("%1%2%3", " ", fadeout_str, " ");
+			} else {
+				row[_columns.fadeout] = string_compose("%1%2%3", "(", fadeout_str, ")");
+			}
+		} else {
+			row[_columns.fadeout] = "";
+		}
+		
+		row[_columns.locked] = region->locked();
+	
+		if (region->positional_lock_style() == Region::MusicTime) {
+			row[_columns.glued] = true;
+		} else {
+			row[_columns.glued] = false;
+		}
+		
+		row[_columns.muted] = region->muted();
+		row[_columns.opaque] = region->opaque();
+	}
+	
+	row[_columns.length] = length_str;
+	row[_columns.used] = used_str;
+	
+	if (missing_source) {
+		row[_columns.path] = _("MISSING ") + region->source()->name();
+	} else {
+		row[_columns.path] = region->source()->name();
+	}
+	
+	if (region->n_channels() > 1) {
+		row[_columns.name] = string_compose("%1  [%2]", region->name(), region->n_channels());
+	} else {
+		row[_columns.name] = region->name();
+	}
+}
+
+void
+EditorRegions::build_menu ()
+{
+	_menu = dynamic_cast<Menu*>(ActionManager::get_widget ("/RegionListMenu"));
+					       
+	/* now grab specific menu items that we need */
+
+	Glib::RefPtr<Action> act;
+
+	act = ActionManager::get_action (X_("RegionList"), X_("rlShowAll"));
+	if (act) {
+		_toggle_full_action = Glib::RefPtr<ToggleAction>::cast_dynamic (act);
+	}
+
+	act = ActionManager::get_action (X_("RegionList"), X_("rlShowAuto"));
+	if (act) {
+		_toggle_show_auto_regions_action = Glib::RefPtr<ToggleAction>::cast_dynamic (act);
+	}
+}
+
+void
+EditorRegions::toggle_show_auto_regions ()
+{
+	_show_automatic_regions = _toggle_show_auto_regions_action->get_active();
+	redisplay ();
+}
+
+void
+EditorRegions::toggle_full ()
+{
+	if (_toggle_full_action->get_active()) {
+		_display.expand_all ();
+	} else {
+		_display.collapse_all ();
+	}
+}
+
+void
+EditorRegions::show_context_menu (int button, int time)
+{
+	if (_menu == 0) {
+		build_menu ();
+	}
+
+	if (_display.get_selection()->count_selected_rows() > 0) {
+		ActionManager::set_sensitive (ActionManager::region_list_selection_sensitive_actions, true);
+	} else {
+		ActionManager::set_sensitive (ActionManager::region_list_selection_sensitive_actions, false);
+	}
+
+	_menu->popup (button, time);
+}
+
+bool
+EditorRegions::key_press (GdkEventKey* ev)
+{
+	return false;
+}
+
+bool
+EditorRegions::key_release (GdkEventKey* ev)
+{
+	switch (ev->keyval) {
+	case GDK_Delete:
+		remove_region ();
+		return true;
+		break;
+	default:
+		break;
+	}
+
+	return false;
+}
+
+bool
+EditorRegions::button_press (GdkEventButton *ev)
+{
+	boost::shared_ptr<Region> region;
+	TreeIter iter;
+	TreeModel::Path path;
+	TreeViewColumn* column;
+	int cellx;
+	int celly;
+
+	if (_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
+		if ((iter = _model->get_iter (path))) {
+			region = (*iter)[_columns.region];
+		}
+	}
+
+	if (Keyboard::is_context_menu_event (ev)) {
+		show_context_menu (ev->button, ev->time);
+		return true;
+	}
+
+	if (region != 0 && Keyboard::is_button2_event (ev)) {
+		// start/stop audition
+		if (!Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {
+			_editor->consider_auditioning (region);
+		}
+		return true;
+	}
+	
+	return false;
+}	
+
+bool
+EditorRegions::button_release (GdkEventButton *ev)
+{
+	TreeIter iter;
+	TreeModel::Path path;
+	TreeViewColumn* column;
+	int cellx;
+	int celly;
+	boost::shared_ptr<Region> region;
+
+	if (_display.get_path_at_pos ((int)ev->x, (int)ev->y, path, column, cellx, celly)) {
+		if ((iter = _model->get_iter (path))) {
+			region = (*iter)[_columns.region];
+		}
+	}
+
+	if (region && Keyboard::is_delete_event (ev)) {
+		_session->remove_region_from_region_list (region);
+		return true;
+	}
+
+	return false;
+}
+
+int
+EditorRegions::sorter (TreeModel::iterator a, TreeModel::iterator b)
+{
+	int cmp = 0;
+
+	boost::shared_ptr<Region> r1 = (*a)[_columns.region];
+	boost::shared_ptr<Region> r2 = (*b)[_columns.region];
+
+	/* handle rows without regions, like "Hidden" */
+
+	if (r1 == 0) {
+		return -1;
+	}
+
+	if (r2 == 0) {
+		return 1;
+	}
+
+	boost::shared_ptr<AudioRegion> region1 = boost::dynamic_pointer_cast<AudioRegion> (r1);
+	boost::shared_ptr<AudioRegion> region2 = boost::dynamic_pointer_cast<AudioRegion> (r2);
+
+	if (region1 == 0 || region2 == 0) {
+		Glib::ustring s1;
+		Glib::ustring s2;
+		switch (_sort_type) {
+		case ByName:
+			s1 = (*a)[_columns.name];
+			s2 = (*b)[_columns.name];
+			return (s1.compare (s2));
+		default:
+			return 0;
+		}
+	}
+
+	switch (_sort_type) {
+	case ByName:
+		cmp = strcasecmp (region1->name().c_str(), region2->name().c_str());
+		break;
+
+	case ByLength:
+		cmp = region1->length() - region2->length();
+		break;
+		
+	case ByPosition:
+		cmp = region1->position() - region2->position();
+		break;
+		
+	case ByTimestamp:
+		cmp = region1->source()->timestamp() - region2->source()->timestamp();
+		break;
+	
+	case ByStartInFile:
+		cmp = region1->start() - region2->start();
+		break;
+		
+	case ByEndInFile:
+		cmp = (region1->start() + region1->length()) - (region2->start() + region2->length());
+		break;
+		
+	case BySourceFileName:
+		cmp = strcasecmp (region1->source()->name().c_str(), region2->source()->name().c_str());
+		break;
+
+	case BySourceFileLength:
+		cmp = region1->source_length(0) - region2->source_length(0);
+		break;
+		
+	case BySourceFileCreationDate:
+		cmp = region1->source()->timestamp() - region2->source()->timestamp();
+		break;
+
+	case BySourceFileFS:
+		if (region1->source()->name() == region2->source()->name()) {
+			cmp = strcasecmp (region1->name().c_str(),  region2->name().c_str());
+		} else {
+			cmp = strcasecmp (region1->source()->name().c_str(),  region2->source()->name().c_str());
+		}
+		break;
+	}
+
+	if (cmp < 0) {
+		return -1;
+	} else if (cmp > 0) {
+		return 1;
+	} else {
+		return 0;
+	}
+}
+
+void
+EditorRegions::reset_sort_type (RegionListSortType type, bool force)
+{
+	if (type != _sort_type || force) {
+		_sort_type = type;
+		_model->set_sort_func (0, (mem_fun (*this, &EditorRegions::sorter)));
+	}
+}
+
+void
+EditorRegions::reset_sort_direction (bool up)
+{
+	_model->set_sort_column (0, up ? SORT_ASCENDING : SORT_DESCENDING);
+}
+
+void
+EditorRegions::selection_mapover (slot<void,boost::shared_ptr<Region> > sl)
+{
+	Glib::RefPtr<TreeSelection> selection = _display.get_selection();
+	TreeView::Selection::ListHandle_Path rows = selection->get_selected_rows ();
+	TreeView::Selection::ListHandle_Path::iterator i = rows.begin();
+
+	if (selection->count_selected_rows() == 0 || _session == 0) {
+		return;
+	}
+
+	for (; i != rows.end(); ++i) {
+		TreeIter iter;
+
+		if ((iter = _model->get_iter (*i))) {
+
+			/* some rows don't have a region associated with them, but can still be
+			   selected (XXX maybe prevent them from being selected)
+			*/
+
+			boost::shared_ptr<Region> r = (*iter)[_columns.region];
+
+			if (r) {
+				sl (r);
+			}
+		}
+	}
+}
+
+
+void
+EditorRegions::remove_region ()
+{
+	selection_mapover (mem_fun (*_editor, &Editor::remove_a_region));
+}
+
+void  
+EditorRegions::drag_data_received (const RefPtr<Gdk::DragContext>& context,
+				   int x, int y, 
+				   const SelectionData& data,
+				   guint info, guint time)
+{
+	vector<ustring> paths;
+
+	if (data.get_target() == "GTK_TREE_MODEL_ROW") {
+		_display.on_drag_data_received (context, x, y, data, info, time);
+		return;
+	}
+
+	if (_editor->convert_drop_to_paths (paths, context, x, y, data, info, time) == 0) {
+		nframes64_t pos = 0;
+		if (Profile->get_sae() || Config->get_only_copy_imported_files()) {
+			_editor->do_import (paths, Editing::ImportDistinctFiles, Editing::ImportAsRegion, SrcBest, pos); 
+		} else {
+			_editor->do_embed (paths, Editing::ImportDistinctFiles, ImportAsRegion, pos);
+		}
+		context->drag_finish (true, false, time);
+	}
+}
+
+bool
+EditorRegions::selection_filter (const RefPtr<TreeModel>& model, const TreeModel::Path& path, bool yn)
+{
+	/* not possible to select rows that do not represent regions, like "Hidden" */
+	
+	TreeModel::iterator iter = model->get_iter (path);
+
+	if (iter) {
+		boost::shared_ptr<Region> r =(*iter)[_columns.region];
+		if (!r) {
+			return false;
+		}
+	} 
+
+	return true;
+}
+
+void
+EditorRegions::name_edit (const Glib::ustring& path, const Glib::ustring& new_text)
+{
+	boost::shared_ptr<Region> region;
+	TreeIter iter;
+	
+	if ((iter = _model->get_iter (path))) {
+		region = (*iter)[_columns.region];
+		(*iter)[_columns.name] = new_text;
+	}
+	
+	/* now mapover everything */
+
+	if (region) {
+		vector<RegionView*> equivalents;
+		_editor->get_regions_corresponding_to (region, equivalents);
+
+		for (vector<RegionView*>::iterator i = equivalents.begin(); i != equivalents.end(); ++i) {
+			if (new_text != (*i)->region()->name()) {
+				(*i)->region()->set_name (new_text);
+			}
+		}
+	}
+
+}
+
+boost::shared_ptr<Region>
+EditorRegions::get_dragged_region ()
+{
+	list<boost::shared_ptr<Region> > regions;
+	TreeView* source;
+	_display.get_object_drag_data (regions, &source);
+	assert (regions.size() == 1);
+	return regions.front ();
+}
+
+void
+EditorRegions::clear ()
+{
+	_display.set_model (Glib::RefPtr<Gtk::TreeStore> (0));
+	_model->clear ();
+	_display.set_model (_model);
+}
+
+boost::shared_ptr<Region>
+EditorRegions::get_single_selection ()
+{
+	Glib::RefPtr<TreeSelection> selected = _display.get_selection();
+	
+	if (selected->count_selected_rows() != 1) {
+		return boost::shared_ptr<Region> ();
+	}
+	
+	TreeView::Selection::ListHandle_Path rows = selected->get_selected_rows ();
+
+	/* only one row selected, so rows.begin() is it */
+
+	TreeIter iter = _model->get_iter (*rows.begin());
+
+	if (!iter) {
+		return boost::shared_ptr<Region> ();
+	}
+
+	return (*iter)[_columns.region];
+}