/*
 * CINELERRA
 * Copyright (C) 1997-2012 Adam Williams <broadcast at earthling dot net>
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#include "asset.h"
#include "assets.h"
#include "awindowgui.h"
#include "awindow.h"
#include "bcsignals.h"
#include "cache.h"
#include "clip.h"
#include "clipedit.h"
#include "commercials.h"
#include "cplayback.h"
#include "ctimebar.h"
#include "cwindow.h"
#include "cwindowgui.h"
#include "bchash.h"
#include "edl.h"
#include "edlsession.h"
#include "filexml.h"
#include "floatauto.h"
#include "floatautos.h"
#include "gwindow.h"
#include "gwindowgui.h"
#include "keyframe.h"
#include "language.h"
#include "labels.h"
#include "levelwindow.h"
#include "localsession.h"
#include "mainclock.h"
#include "maincursor.h"
#include "mainerror.h"
#include "mainindexes.h"
#include "mainmenu.h"
#include "mainsession.h"
#include "mainundo.h"
#include "maskautos.h"
#include "mtimebar.h"
#include "mwindowgui.h"
#include "mwindow.h"
#include "panauto.h"
#include "patchbay.h"
#include "playbackengine.h"
#include "pluginset.h"
#include "recordlabel.h"
#include "samplescroll.h"
#include "trackcanvas.h"
#include "track.h"
#include "trackscroll.h"
#include "tracks.h"
#include "transition.h"
#include "transportque.h"
#include "units.h"
#include "undostackitem.h"
#include "vplayback.h"
#include "vwindow.h"
#include "vwindowgui.h"
#include "zoombar.h"
#include "automation.h"
#include "maskautos.h"


#include <string.h>






void MWindow::add_audio_track_entry(int above, Track *dst)
{
	undo->update_undo_before();
	add_audio_track(above, dst);
	save_backup();
	undo->update_undo_after(_("add track"), LOAD_ALL);

	restart_brender();
	gui->update(1,
		1,
		0,
		0,
		1,
		0,
		0);
	gui->activate_timeline();

//	gui->get_scrollbars(0);
//	gui->canvas->draw();
//	gui->patchbay->update();
//	gui->cursor->draw(1);
//	gui->canvas->flash();
//	gui->canvas->activate();
	cwindow->playback_engine->que->send_command(CURRENT_FRAME,
		CHANGE_EDL,
		edl,
		1);
}

void MWindow::add_video_track_entry(Track *dst)
{
	undo->update_undo_before();
	add_video_track(1, dst);
	undo->update_undo_after(_("add track"), LOAD_ALL);

	restart_brender();

	gui->update(1, 1, 0, 0, 1, 0, 0);
	gui->activate_timeline();
//	gui->get_scrollbars(0);
//	gui->canvas->draw();
//	gui->patchbay->update();
//	gui->cursor->draw(1);
//	gui->canvas->flash();
//	gui->canvas->activate();
	cwindow->playback_engine->que->
		send_command(CURRENT_FRAME, CHANGE_EDL, edl, 1);
	save_backup();
}

void MWindow::add_subttl_track_entry(Track *dst)
{
	undo->update_undo_before();
	add_subttl_track(1, dst);
	undo->update_undo_after(_("add track"), LOAD_ALL);

	restart_brender();

	gui->update(1, 1, 0, 0, 1, 0, 0);
	gui->activate_timeline();
//	gui->get_scrollbars(0);
//	gui->canvas->draw();
//	gui->patchbay->update();
//	gui->cursor->draw(1);
//	gui->canvas->flash();
//	gui->canvas->activate();
	cwindow->playback_engine->que->
		send_command(CURRENT_FRAME, CHANGE_EDL, edl, 1);
	save_backup();
}


int MWindow::add_audio_track(int above, Track *dst)
{
	edl->tracks->add_audio_track(above, dst);
	edl->tracks->update_y_pixels(theme);
	save_backup();
	return 0;
}

int MWindow::add_video_track(int above, Track *dst)
{
	edl->tracks->add_video_track(above, dst);
	edl->tracks->update_y_pixels(theme);
	save_backup();
	return 0;
}

int MWindow::add_subttl_track(int above, Track *dst)
{
	edl->tracks->add_subttl_track(above, dst);
	edl->tracks->update_y_pixels(theme);
	save_backup();
	return 0;
}




void MWindow::asset_to_all()
{
	if(!session->drag_assets->size()) return;
	Indexable *indexable = session->drag_assets->get(0);

//	if(indexable->have_video())
	{
		int w, h;

		undo->update_undo_before();

// Get w and h
		w = indexable->get_w();
		h = indexable->get_h();
		double new_framerate = session->drag_assets->get(0)->get_frame_rate();
		double old_framerate = edl->session->frame_rate;
		int old_samplerate = edl->session->sample_rate;
		int new_samplerate = session->drag_assets->get(0)->get_sample_rate();


		if(indexable->have_video())
		{
			edl->session->output_w = w;
			edl->session->output_h = h;
			edl->session->frame_rate = new_framerate;
			create_aspect_ratio(edl->session->aspect_w,
				edl->session->aspect_h,
				w,
				h);

			for(Track *current = edl->tracks->first;
				current;
				current = NEXT)
			{
				if(current->data_type == TRACK_VIDEO /* &&
					current->record */ )
				{
					current->track_w = w;
					current->track_h = h;
				}
			}


			if(((edl->session->output_w % 4) ||
				(edl->session->output_h % 4)) &&
				edl->session->playback_config->vconfig->driver == PLAYBACK_X11_GL)
			{
				MainError::show_error(
					_("This project's dimensions are not multiples of 4 so\n"
					"it can't be rendered by OpenGL."));
			}


// Get aspect ratio
			if(defaults->get("AUTOASPECT", 0))
			{
				create_aspect_ratio(edl->session->aspect_w,
					edl->session->aspect_h,
					w,
					h);
			}
		}

		if(indexable->have_audio())
		{
			edl->session->sample_rate = new_samplerate;
			edl->resample(old_framerate, new_framerate, TRACK_VIDEO);
			edl->resample(old_samplerate, new_samplerate, TRACK_AUDIO);
		}


		save_backup();

		undo->update_undo_after(_("asset to all"), LOAD_ALL);
		restart_brender();
		gui->update(1,
			2,
			1,
			1,
			1,
			1,
			0);
		sync_parameters(CHANGE_ALL);
	}
}






void MWindow::asset_to_size()
{
	if(!session->drag_assets->size()) return;
	Indexable *indexable = session->drag_assets->get(0);

	if(indexable->have_video())
	{
		int w, h;
		undo->update_undo_before();

// Get w and h
		w = indexable->get_w();
		h = indexable->get_h();


		edl->session->output_w = w;
		edl->session->output_h = h;

		if(((edl->session->output_w % 4) ||
			(edl->session->output_h % 4)) &&
			edl->session->playback_config->vconfig->driver == PLAYBACK_X11_GL)
		{
			MainError::show_error(
				_("This project's dimensions are not multiples of 4 so\n"
				"it can't be rendered by OpenGL."));
		}


// Get aspect ratio
		if(defaults->get("AUTOASPECT", 0))
		{
			create_aspect_ratio(edl->session->aspect_w,
				edl->session->aspect_h,
				w,
				h);
		}

		save_backup();

		undo->update_undo_after(_("asset to size"), LOAD_ALL);
		restart_brender();
		sync_parameters(CHANGE_ALL);
	}
}


void MWindow::asset_to_rate()
{
	if(session->drag_assets->size() &&
		session->drag_assets->get(0)->have_video())
	{
		double new_framerate = session->drag_assets->get(0)->get_frame_rate();
		double old_framerate = edl->session->frame_rate;
		undo->update_undo_before();

		edl->session->frame_rate = new_framerate;
		edl->resample(old_framerate, new_framerate, TRACK_VIDEO);

		save_backup();

		undo->update_undo_after(_("asset to rate"), LOAD_ALL);
		restart_brender();
		gui->update(1,
			2,
			1,
			1,
			1,
			1,
			0);
		sync_parameters(CHANGE_ALL);
	}
}



void MWindow::clear_entry()
{
	undo->update_undo_before();
	clear(1);

	edl->optimize();
	save_backup();
	undo->update_undo_after(_("clear"), LOAD_EDITS | LOAD_TIMEBAR);

	restart_brender();
	update_plugin_guis();
	gui->update(1, 2, 1, 1, 1, 1, 0);
	cwindow->update(1, 0, 0, 0, 1);
	cwindow->playback_engine->que->send_command(CURRENT_FRAME,
	    		   CHANGE_EDL,
	    		   edl,
	    		   1);
}

void MWindow::clear(int clear_handle)
{
	double start = edl->local_session->get_selectionstart();
	double end = edl->local_session->get_selectionend();
	if(clear_handle || !EQUIV(start, end))
	{
		edl->clear(start,
			end,
			edl->session->labels_follow_edits,
			edl->session->plugins_follow_edits,
			edl->session->autos_follow_edits);
	}
}

void MWindow::set_automation_mode(int mode)
{
	undo->update_undo_before();
	edl->tracks->set_automation_mode(
		edl->local_session->get_selectionstart(),
		edl->local_session->get_selectionend(),
		mode);
	save_backup();
	char string[BCSTRLEN];
	sprintf(string,"set %s", FloatAuto::curve_name(mode));
	undo->update_undo_after(string, LOAD_AUTOMATION);

	restart_brender();
	update_plugin_guis();
	gui->draw_overlays(1);
	sync_parameters(CHANGE_PARAMS);
	gui->update_patchbay();
	cwindow->update(1, 0, 0);
}

void MWindow::clear_automation()
{
	undo->update_undo_before();
	edl->tracks->clear_automation(edl->local_session->get_selectionstart(),
		edl->local_session->get_selectionend());
	save_backup();
	undo->update_undo_after(_("clear keyframes"), LOAD_AUTOMATION);

	restart_brender();
	update_plugin_guis();
	gui->draw_overlays(1);
	sync_parameters(CHANGE_PARAMS);
	gui->update_patchbay();
	cwindow->update(1, 0, 0);
}

int MWindow::clear_default_keyframe()
{
	undo->update_undo_before();
	edl->tracks->clear_default_keyframe();
	save_backup();
	undo->update_undo_after(_("clear default keyframe"), LOAD_AUTOMATION);

	restart_brender();
	gui->draw_overlays(1);
	sync_parameters(CHANGE_PARAMS);
	gui->update_patchbay();
	cwindow->update(1, 0, 0);

	return 0;
}

void MWindow::clear_labels()
{
	undo->update_undo_before();
	clear_labels(edl->local_session->get_selectionstart(),
		edl->local_session->get_selectionend());
	undo->update_undo_after(_("clear labels"), LOAD_TIMEBAR);

	gui->update_timebar(1);
	cwindow->update(0, 0, 0, 0, 1);
	save_backup();
}

int MWindow::clear_labels(double start, double end)
{
	edl->labels->clear(start, end, 0);
	return 0;
}

void MWindow::concatenate_tracks()
{
	undo->update_undo_before();
	edl->tracks->concatenate_tracks(edl->session->plugins_follow_edits,
		edl->session->autos_follow_edits);
	save_backup();
	undo->update_undo_after(_("concatenate tracks"), LOAD_EDITS);

	restart_brender();
	gui->update(1, 1, 0, 0, 1, 0, 0);
	cwindow->playback_engine->que->send_command(CURRENT_FRAME,
		CHANGE_EDL,
		edl,
		1);
}


void MWindow::copy()
{
	copy(edl->local_session->get_selectionstart(),
		edl->local_session->get_selectionend());
}

int MWindow::copy(double start, double end)
{
	if(start == end) return 1;

//printf("MWindow::copy 1\n");
	FileXML file;
//printf("MWindow::copy 1\n");
	edl->copy(start,
		end,
		0,
		0,
		0,
		&file,
		"",
		1);
//printf("MWindow::copy 1\n");

// File is now terminated and rewound

//printf("MWindow::copy 1\n");
	const char *file_string = file.string();
	long file_length = strlen(file_string);
	gui->get_clipboard()->to_clipboard(file_string, file_length,
		SECONDARY_SELECTION);
	gui->get_clipboard()->to_clipboard(file_string, file_length,
		BC_PRIMARY_SELECTION);
//printf("MWindow::copy\n%s\n", file.string);
//printf("MWindow::copy 2\n");
	save_backup();
	return 0;
}

int MWindow::copy_automation()
{
	FileXML file;
	edl->tracks->copy_automation(edl->local_session->get_selectionstart(),
		edl->local_session->get_selectionend(),
		&file,
		0,
		1);
	const char *file_string = file.string();
	long file_length = strlen(file_string);
	gui->get_clipboard()->to_clipboard(file_string, file_length,
		BC_PRIMARY_SELECTION);
	gui->get_clipboard()->to_clipboard(file_string, file_length,
		SECONDARY_SELECTION);
	return 0;
}

int MWindow::copy_default_keyframe()
{
	FileXML file;
	edl->tracks->copy_automation(edl->local_session->get_selectionstart(),
		edl->local_session->get_selectionend(),
		&file,
		1,
		0);
	const char *file_string = file.string();
	long file_length = strlen(file_string);
	gui->get_clipboard()->to_clipboard(file_string, file_length,
		BC_PRIMARY_SELECTION);
	gui->get_clipboard()->to_clipboard(file_string, file_length,
		SECONDARY_SELECTION);
	return 0;
}


// Uses cropping coordinates in edl session to crop and translate video.
// We modify the projector since camera automation depends on the track size.
void MWindow::crop_video()
{

	undo->update_undo_before();
// Clamp EDL crop region
	if(edl->session->crop_x1 > edl->session->crop_x2)
	{
		edl->session->crop_x1 ^= edl->session->crop_x2;
		edl->session->crop_x2 ^= edl->session->crop_x1;
		edl->session->crop_x1 ^= edl->session->crop_x2;
	}
	if(edl->session->crop_y1 > edl->session->crop_y2)
	{
		edl->session->crop_y1 ^= edl->session->crop_y2;
		edl->session->crop_y2 ^= edl->session->crop_y1;
		edl->session->crop_y1 ^= edl->session->crop_y2;
	}

	float old_projector_x = (float)edl->session->output_w / 2;
	float old_projector_y = (float)edl->session->output_h / 2;
	float new_projector_x = (float)(edl->session->crop_x1 + edl->session->crop_x2) / 2;
	float new_projector_y = (float)(edl->session->crop_y1 + edl->session->crop_y2) / 2;
	float projector_offset_x = -(new_projector_x - old_projector_x);
	float projector_offset_y = -(new_projector_y - old_projector_y);

	edl->tracks->translate_projector(projector_offset_x, projector_offset_y);

	edl->session->output_w = edl->session->crop_x2 - edl->session->crop_x1;
	edl->session->output_h = edl->session->crop_y2 - edl->session->crop_y1;
	edl->session->crop_x1 = 0;
	edl->session->crop_y1 = 0;
	edl->session->crop_x2 = edl->session->output_w;
	edl->session->crop_y2 = edl->session->output_h;

// Recalculate aspect ratio
	if(defaults->get("AUTOASPECT", 0))
	{
		create_aspect_ratio(edl->session->aspect_w,
			edl->session->aspect_h,
			edl->session->output_w,
			edl->session->output_h);
	}

	undo->update_undo_after(_("crop"), LOAD_ALL);

	restart_brender();
	cwindow->playback_engine->que->send_command(CURRENT_FRAME,
		CHANGE_ALL,
		edl,
		1);
	save_backup();
}

void MWindow::cut()
{
	undo->update_undo_before();

	double start = edl->local_session->get_selectionstart();
	double end = edl->local_session->get_selectionend();

	copy(start, end);
	edl->clear(start,
		end,
		edl->session->labels_follow_edits,
		edl->session->plugins_follow_edits,
		edl->session->autos_follow_edits);


	edl->optimize();
	save_backup();
	undo->update_undo_after(_("cut"), LOAD_EDITS | LOAD_TIMEBAR);

	restart_brender();
	update_plugin_guis();
	gui->update(1, 2, 1, 1, 1, 1, 0);
	cwindow->update(1, 0, 0, 0, 1);
	cwindow->playback_engine->que->send_command(CURRENT_FRAME,
							CHANGE_EDL,
							edl,
							1);
}

int MWindow::cut_automation()
{
	undo->update_undo_before();

	copy_automation();

	edl->tracks->clear_automation(edl->local_session->get_selectionstart(),
		edl->local_session->get_selectionend());
	save_backup();
	undo->update_undo_after(_("cut keyframes"), LOAD_AUTOMATION);


	restart_brender();
	update_plugin_guis();
	gui->draw_overlays(1);
	sync_parameters(CHANGE_PARAMS);
	gui->update_patchbay();
	cwindow->update(1, 0, 0);
	return 0;
}

int MWindow::cut_default_keyframe()
{

	undo->update_undo_before();
	copy_default_keyframe();
	edl->tracks->clear_default_keyframe();
	undo->update_undo_after(_("cut default keyframe"), LOAD_AUTOMATION);

	restart_brender();
	gui->draw_overlays(1);
	sync_parameters(CHANGE_PARAMS);
	gui->update_patchbay();
	cwindow->update(1, 0, 0);
	save_backup();


	return 0;
}


void MWindow::delete_inpoint()
{
	edl->local_session->unset_inpoint();
	save_backup();
}

void MWindow::delete_outpoint()
{
	edl->local_session->unset_outpoint();
	save_backup();
}


void MWindow::delete_track()
{
	if (edl->tracks->last)
		delete_track(edl->tracks->last);
}

void MWindow::delete_tracks()
{
	undo->update_undo_before();
	edl->tracks->delete_tracks();
	undo->update_undo_after(_("delete tracks"), LOAD_ALL);
	save_backup();

	restart_brender();
	update_plugin_states();

	gui->update(1, 1, 1, 0, 1, 0, 0);
	cwindow->playback_engine->que->
		send_command(CURRENT_FRAME, CHANGE_EDL, edl, 1);
}

void MWindow::delete_track(Track *track)
{
	undo->update_undo_before();
	edl->tracks->delete_track(track);
	undo->update_undo_after(_("delete track"), LOAD_ALL);

	restart_brender();
	update_plugin_states();

	gui->update(1, 1, 1, 0, 1, 0, 0);
	cwindow->playback_engine->que->
		send_command(CURRENT_FRAME, CHANGE_EDL, edl, 1);
	save_backup();
}


// Insert data from clipboard
void MWindow::insert(double position,
	FileXML *file,
	int edit_labels,
	int edit_plugins,
	int edit_autos,
	EDL *parent_edl)
{
// For clipboard pasting make the new edl use a separate session
// from the master EDL.  Then it can be resampled to the master rates.
// For splice, overwrite, and dragging need same session to get the assets.
	EDL *edl = new EDL(parent_edl);
	ArrayList<EDL*> new_edls;
	uint32_t load_flags = LOAD_ALL;


	new_edls.append(edl);
	edl->create_objects();




	if(parent_edl) load_flags &= ~LOAD_SESSION;
	if(!edl->session->autos_follow_edits) load_flags &= ~LOAD_AUTOMATION;
	if(!edl->session->labels_follow_edits) load_flags &= ~LOAD_TIMEBAR;

	edl->load_xml(file, load_flags);


//printf("MWindow::insert %f\n", edl->local_session->clipboard_length);



	paste_edls(&new_edls,
		LOADMODE_PASTE,
		0,
		position,
		edit_labels,
		edit_plugins,
		edit_autos,
		0); // overwrite
// if(vwindow->edl)
// printf("MWindow::insert 5 %f %f\n",
// vwindow->edl->local_session->in_point,
// vwindow->edl->local_session->out_point);
	new_edls.remove_all();
	edl->Garbage::remove_user();
//printf("MWindow::insert 6 %p\n", vwindow->get_edl());
}

void MWindow::insert_effects_canvas(double start,
	double length)
{
	Track *dest_track = session->track_highlighted;
	if(!dest_track) return;

	undo->update_undo_before();

	for(int i = 0; i < session->drag_pluginservers->total; i++)
	{
		PluginServer *plugin = session->drag_pluginservers->values[i];

		insert_effect(plugin->title,
			0,
			dest_track,
			i == 0 ? session->pluginset_highlighted : 0,
			start,
			length,
			PLUGIN_STANDALONE);
	}

	save_backup();
	undo->update_undo_after(_("insert effect"), LOAD_EDITS | LOAD_PATCHES);
	restart_brender();
	sync_parameters(CHANGE_EDL);
// GUI updated in TrackCanvas, after current_operations are reset
}

void MWindow::insert_effects_cwindow(Track *dest_track)
{
	if(!dest_track) return;

	undo->update_undo_before();

	double start = 0;
	double length = dest_track->get_length();

	if(edl->local_session->get_selectionend() >
		edl->local_session->get_selectionstart())
	{
		start = edl->local_session->get_selectionstart();
		length = edl->local_session->get_selectionend() -
			edl->local_session->get_selectionstart();
	}

	for(int i = 0; i < session->drag_pluginservers->total; i++)
	{
		PluginServer *plugin = session->drag_pluginservers->values[i];


		insert_effect(plugin->title,
			0,
			dest_track,
			0,
			start,
			length,
			PLUGIN_STANDALONE);
	}

	save_backup();
	undo->update_undo_after(_("insert effect"), LOAD_EDITS | LOAD_PATCHES);
	restart_brender();
	sync_parameters(CHANGE_EDL);
	gui->update(1,
		1,
		0,
		0,
		1,
		0,
		0);
}

void MWindow::insert_effect(char *title,
	SharedLocation *shared_location,
	int data_type,
	int plugin_type,
	int single_standalone)
{
	Track *current = edl->tracks->first;
	SharedLocation shared_location_local;
	shared_location_local.copy_from(shared_location);
	int first_track = 1;
	for( ; current; current = NEXT)
	{
		if(current->data_type == data_type &&
			current->record)
		{
			insert_effect(title,
				&shared_location_local,
				current,
				0,
				0,
				0,
				plugin_type);

			if(first_track)
			{
				if(plugin_type == PLUGIN_STANDALONE && single_standalone)
				{
					plugin_type = PLUGIN_SHAREDPLUGIN;
					shared_location_local.module = edl->tracks->number_of(current);
					shared_location_local.plugin = current->plugin_set.total - 1;
				}
				first_track = 0;
			}
		}
	}
}


void MWindow::insert_effect(char *title,
	SharedLocation *shared_location,
	Track *track,
	PluginSet *plugin_set,
	double start,
	double length,
	int plugin_type)
{
	KeyFrame *default_keyframe = 0;
	PluginServer *server = 0;






// Get default keyframe
	if(plugin_type == PLUGIN_STANDALONE)
	{
		default_keyframe = new KeyFrame;
		server = new PluginServer(*scan_plugindb(title, track->data_type));

		server->open_plugin(0, preferences, edl, 0);
		server->save_data(default_keyframe);
	}



// Insert plugin object
	track->insert_effect(title,
		shared_location,
		default_keyframe,
		plugin_set,
		start,
		length,
		plugin_type);

	track->optimize();


	if(plugin_type == PLUGIN_STANDALONE)
	{
		server->close_plugin();
		delete server;
		delete default_keyframe;
	}
}

int MWindow::modify_edithandles()
{
	undo->update_undo_before();
	edl->modify_edithandles(session->drag_start,
		session->drag_position,
		session->drag_handle,
		edl->session->edit_handle_mode[session->drag_button],
		edl->session->labels_follow_edits,
		edl->session->plugins_follow_edits,
		edl->session->autos_follow_edits);

	finish_modify_handles();


//printf("MWindow::modify_handles 1\n");
	return 0;
}

int MWindow::modify_pluginhandles()
{
	undo->update_undo_before();

	edl->modify_pluginhandles(session->drag_start,
		session->drag_position,
		session->drag_handle,
		edl->session->edit_handle_mode[session->drag_button],
		edl->session->labels_follow_edits,
		edl->session->autos_follow_edits,
		session->trim_edits);

	finish_modify_handles();

	return 0;
}


// Common to edithandles and plugin handles
void MWindow::finish_modify_handles()
{
	int edit_mode = edl->session->edit_handle_mode[session->drag_button];

	if((session->drag_handle == 1 && edit_mode != MOVE_NO_EDITS) ||
		(session->drag_handle == 0 && edit_mode == MOVE_ONE_EDIT))
	{
		edl->local_session->set_selectionstart(session->drag_position);
		edl->local_session->set_selectionend(session->drag_position);
	}
	else
	if(edit_mode != MOVE_NO_EDITS)
	{
		edl->local_session->set_selectionstart(session->drag_start);
		edl->local_session->set_selectionend(session->drag_start);
	}

	if(edl->local_session->get_selectionstart(1) < 0)
	{
		edl->local_session->set_selectionstart(0);
		edl->local_session->set_selectionend(0);
	}
	undo->update_undo_after(_("drag handle"), LOAD_EDITS | LOAD_TIMEBAR);

	save_backup();
	restart_brender();
	sync_parameters(CHANGE_EDL);
	update_plugin_guis();
	gui->update(1, 2, 1, 1, 1, 1, 0);
	cwindow->update(1, 0, 0, 0, 1);
}

void MWindow::match_output_size(Track *track)
{
	undo->update_undo_before();
	track->track_w = edl->session->output_w;
	track->track_h = edl->session->output_h;
	save_backup();
	undo->update_undo_after(_("match output size"), LOAD_ALL);

	restart_brender();
	sync_parameters(CHANGE_EDL);
}


void MWindow::move_edits(ArrayList<Edit*> *edits,
		Track *track,
		double position,
		int behaviour)
{
	undo->update_undo_before();

	edl->tracks->move_edits(edits,
		track,
		position,
		edl->session->labels_follow_edits,
		edl->session->plugins_follow_edits,
		edl->session->autos_follow_edits,
		behaviour);

	save_backup();
	undo->update_undo_after(_("move edit"), LOAD_ALL);

	restart_brender();
	cwindow->playback_engine->que->send_command(CURRENT_FRAME,
		CHANGE_EDL,
		edl,
		1);

	update_plugin_guis();
	gui->update(1,
		1,      // 1 for incremental drawing.  2 for full refresh
		1,
		0,
		0,
		0,
		0);
}

void MWindow::move_effect(Plugin *plugin, Track *track, int64_t position)
{
	undo->update_undo_before();
	edl->tracks->move_effect(plugin, track, position); 
	save_backup();
	undo->update_undo_after(_("paste effect"), LOAD_ALL);

	restart_brender();
	cwindow->playback_engine->que->send_command(CURRENT_FRAME,
		CHANGE_EDL, edl, 1);

	update_plugin_guis();
	gui->update(1, 1,      // 1 for incremental drawing.  2 for full refresh
		0, 0, 0, 0, 0);
}

void MWindow::move_effect(Plugin *plugin, PluginSet *plugin_set, int64_t position)
{
	undo->update_undo_before();
	edl->tracks->move_effect(plugin, plugin_set, position);
	save_backup();
	undo->update_undo_after(_("move effect"), LOAD_ALL);

	restart_brender();
	cwindow->playback_engine->que->send_command(CURRENT_FRAME, CHANGE_EDL, edl, 1);
	update_plugin_guis();
	gui->update(1, 1,      // 1 for incremental drawing.  2 for full refresh
		0, 0, 0, 0, 0);
}

void MWindow::move_plugins_up(PluginSet *plugin_set)
{

	undo->update_undo_before();
	plugin_set->track->move_plugins_up(plugin_set);

	save_backup();
	undo->update_undo_after(_("move effect up"), LOAD_ALL);
	restart_brender();
	gui->update(1,
		1,      // 1 for incremental drawing.  2 for full refresh
		0,
		0,
		0,
		0,
		0);
	sync_parameters(CHANGE_EDL);
}

void MWindow::move_plugins_down(PluginSet *plugin_set)
{
	undo->update_undo_before();

	plugin_set->track->move_plugins_down(plugin_set);

	save_backup();
	undo->update_undo_after(_("move effect down"), LOAD_ALL);
	restart_brender();
	gui->update(1,
		1,      // 1 for incremental drawing.  2 for full refresh
		0,
		0,
		0,
		0,
		0);
	sync_parameters(CHANGE_EDL);
}

void MWindow::move_track_down(Track *track)
{
	undo->update_undo_before();
	edl->tracks->move_track_down(track);
	save_backup();
	undo->update_undo_after(_("move track down"), LOAD_ALL);

	restart_brender();
	gui->update(1, 1, 0, 0, 1, 0, 0);
	sync_parameters(CHANGE_EDL);
	save_backup();
}

void MWindow::move_tracks_down()
{
	undo->update_undo_before();
	edl->tracks->move_tracks_down();
	save_backup();
	undo->update_undo_after(_("move tracks down"), LOAD_ALL);

	restart_brender();
	gui->update(1, 1, 0, 0, 1, 0, 0);
	sync_parameters(CHANGE_EDL);
	save_backup();
}

void MWindow::move_track_up(Track *track)
{
	undo->update_undo_before();
	edl->tracks->move_track_up(track);
	save_backup();
	undo->update_undo_after(_("move track up"), LOAD_ALL);
	restart_brender();
	gui->update(1, 1, 0, 0, 1, 0, 0);
	sync_parameters(CHANGE_EDL);
	save_backup();
}

void MWindow::move_tracks_up()
{
	undo->update_undo_before();
	edl->tracks->move_tracks_up();
	save_backup();
	undo->update_undo_after(_("move tracks up"), LOAD_ALL);
	restart_brender();
	gui->update(1, 1, 0, 0, 1, 0, 0);
	sync_parameters(CHANGE_EDL);
}


void MWindow::mute_selection()
{
	double start = edl->local_session->get_selectionstart();
	double end = edl->local_session->get_selectionend();
	if(start != end)
	{
		undo->update_undo_before();
		edl->clear(start,
			end,
			0,
			edl->session->plugins_follow_edits,
			edl->session->autos_follow_edits);
		edl->local_session->set_selectionend(end);
		edl->local_session->set_selectionstart(start);
		edl->paste_silence(start,
			end,
			0,
			edl->session->plugins_follow_edits,
			edl->session->autos_follow_edits);
		save_backup();
		undo->update_undo_after(_("mute"), LOAD_EDITS);

		restart_brender();
		update_plugin_guis();
		gui->update(1, 2, 1, 1, 1, 1, 0);
		cwindow->playback_engine->que->send_command(CURRENT_FRAME,
								CHANGE_EDL,
								edl,
								1);
	}
}



void MWindow::overwrite(EDL *source)
{
	FileXML file;

	double src_start = source->local_session->get_selectionstart();
	double overwrite_len = source->local_session->get_selectionend() - src_start;
	double dst_start = edl->local_session->get_selectionstart();
	double dst_len = edl->local_session->get_selectionend() - dst_start;

	undo->update_undo_before();
	if (!EQUIV(dst_len, 0) && (dst_len < overwrite_len))
	{
// in/out points or selection present and shorter than overwrite range
// shorten the copy range
		overwrite_len = dst_len;
	}

	source->copy(src_start,
		src_start + overwrite_len,
		1,
		0,
		0,
		&file,
		"",
		1);

// HACK around paste_edl get_start/endselection on its own
// so we need to clear only when not using both io points
// FIXME: need to write simple overwrite_edl to be used for overwrite function
	if (edl->local_session->get_inpoint() < 0 ||
		edl->local_session->get_outpoint() < 0)
		edl->clear(dst_start,
			dst_start + overwrite_len,
			0,
			0,
			0);

	paste(dst_start,
		dst_start + overwrite_len,
		&file,
		0,
		0,
		0);

	edl->local_session->set_selectionstart(dst_start + overwrite_len);
	edl->local_session->set_selectionend(dst_start + overwrite_len);

	save_backup();
	undo->update_undo_after(_("overwrite"), LOAD_EDITS);

	restart_brender();
	update_plugin_guis();
	gui->update(1, 1, 1, 1, 0, 1, 0);
	sync_parameters(CHANGE_EDL);
}

// For splice and overwrite
int MWindow::paste(double start,
	double end,
	FileXML *file,
	int edit_labels,
	int edit_plugins,
	int edit_autos)
{
	clear(0);

// Want to insert with assets shared with the master EDL.
	insert(start,
			file,
			edit_labels,
			edit_plugins,
			edit_autos,
			edl);

	return 0;
}

// For editing using insertion point
void MWindow::paste()
{
	double start = edl->local_session->get_selectionstart();
	//double end = edl->local_session->get_selectionend();
	int64_t len = gui->get_clipboard()->clipboard_len(SECONDARY_SELECTION);

	if(len)
	{
		char *string = new char[len + 1];

		undo->update_undo_before();


		gui->get_clipboard()->from_clipboard(string,
			len,
			BC_PRIMARY_SELECTION);
		FileXML file;
		file.read_from_string(string);




		clear(0);

		insert(start,
			&file,
			edl->session->labels_follow_edits,
			edl->session->plugins_follow_edits,
			edl->session->autos_follow_edits,
			0);

		edl->optimize();


		delete [] string;



		save_backup();


		undo->update_undo_after(_("paste"), LOAD_EDITS | LOAD_TIMEBAR);
		restart_brender();
		update_plugin_guis();
		gui->update(1, 2, 1, 1, 0, 1, 0);
		awindow->gui->async_update_assets();
		sync_parameters(CHANGE_EDL);
	}

}

int MWindow::paste_assets(double position, Track *dest_track, int overwrite)
{
	int result = 0;

	undo->update_undo_before();



	if(session->drag_assets->total)
	{
		load_assets(session->drag_assets,
			position,
			LOADMODE_PASTE,
			dest_track,
			0,
			edl->session->labels_follow_edits,
			edl->session->plugins_follow_edits,
			edl->session->autos_follow_edits,
			overwrite);
		result = 1;
	}


	if(session->drag_clips->total)
	{
		paste_edls(session->drag_clips,
			LOADMODE_PASTE,
			dest_track,
			position,
			edl->session->labels_follow_edits,
			edl->session->plugins_follow_edits,
			edl->session->autos_follow_edits,
			overwrite);
		result = 1;
	}


	save_backup();

	undo->update_undo_after(_("paste assets"), LOAD_EDITS);
	restart_brender();
	gui->update(1,
		2,
		1,
		0,
		0,
		1,
		0);
	sync_parameters(CHANGE_EDL);
	return result;
}

void MWindow::load_assets(ArrayList<Indexable*> *new_assets,
	double position,
	int load_mode,
	Track *first_track,
	RecordLabels *labels,
	int edit_labels,
	int edit_plugins,
	int edit_autos,
	int overwrite)
{
const int debug = 0;
if(debug) printf("MWindow::load_assets %d\n", __LINE__);
	if(position < 0) position = edl->local_session->get_selectionstart();

	ArrayList<EDL*> new_edls;
	for(int i = 0; i < new_assets->total; i++)
	{
		Indexable *indexable = new_assets->get(i);
		if(indexable->is_asset)
		{
			remove_asset_from_caches((Asset*)indexable);
		}
		EDL *new_edl = new EDL;
		new_edl->create_objects();
		new_edl->copy_session(edl);
		new_edls.append(new_edl);


		if(indexable->is_asset)
		{
if(debug) printf("MWindow::load_assets %d\n", __LINE__);
if(debug) ((Asset*)indexable)->dump();
			asset_to_edl(new_edl, (Asset*)indexable);
		}
		else
			edl_to_nested(new_edl, (EDL*)indexable);
if(debug) printf("MWindow::load_assets %d\n", __LINE__);


		if(labels)
		{
			for(RecordLabel *label = labels->first; label; label = label->next)
			{
				new_edl->labels->toggle_label(label->position, label->position);
			}
		}
	}
if(debug) printf("MWindow::load_assets %d\n", __LINE__);

	paste_edls(&new_edls,
		load_mode,
		first_track,
		position,
		edit_labels,
		edit_plugins,
		edit_autos,
		overwrite);
if(debug) printf("MWindow::load_assets %d\n", __LINE__);


	save_backup();
	for(int i = 0; i < new_edls.size(); i++)
		new_edls.get(i)->Garbage::remove_user();

if(debug) printf("MWindow::load_assets %d\n", __LINE__);
}

int MWindow::paste_automation()
{
	int64_t len = gui->get_clipboard()->clipboard_len(SECONDARY_SELECTION);

	if(len)
	{
		undo->update_undo_before();
		char *string = new char[len + 1];
		gui->get_clipboard()->from_clipboard(string,
			len,
			BC_PRIMARY_SELECTION);
		FileXML file;
		file.read_from_string(string);

		edl->tracks->clear_automation(edl->local_session->get_selectionstart(),
			edl->local_session->get_selectionend());
		edl->tracks->paste_automation(edl->local_session->get_selectionstart(),
			&file,
			0,
			1,
			edl->session->typeless_keyframes);
		save_backup();
		undo->update_undo_after(_("paste keyframes"), LOAD_AUTOMATION);
		delete [] string;


		restart_brender();
		update_plugin_guis();
		gui->draw_overlays(1);
		sync_parameters(CHANGE_PARAMS);
		gui->update_patchbay();
		cwindow->update(1, 0, 0);
	}

	return 0;
}

int MWindow::paste_default_keyframe()
{
	int64_t len = gui->get_clipboard()->clipboard_len(SECONDARY_SELECTION);

	if(len)
	{
		undo->update_undo_before();
		char *string = new char[len + 1];
		gui->get_clipboard()->from_clipboard(string,
			len,
			BC_PRIMARY_SELECTION);
		FileXML file;
		file.read_from_string(string);
		edl->tracks->paste_automation(edl->local_session->get_selectionstart(),
			&file,
			1,
			0,
			edl->session->typeless_keyframes);
//		edl->tracks->paste_default_keyframe(&file);
		undo->update_undo_after(_("paste default keyframe"), LOAD_AUTOMATION);


		restart_brender();
		update_plugin_guis();
		gui->draw_overlays(1);
		sync_parameters(CHANGE_PARAMS);
		gui->update_patchbay();
		cwindow->update(1, 0, 0);
		delete [] string;
		save_backup();
	}

	return 0;
}


// Insert edls with project deletion and index file generation.
int MWindow::paste_edls(ArrayList<EDL*> *new_edls,
	int load_mode,
	Track *first_track,
	double current_position,
	int edit_labels,
	int edit_plugins,
	int edit_autos,
	int overwrite)
{

	ArrayList<Track*> destination_tracks;
	int need_new_tracks = 0;

//PRINT_TRACE
	if(!new_edls->total) return 0;

//PRINT_TRACE
//	double original_length = edl->tracks->total_playable_length();
//	double original_preview_end = edl->local_session->preview_end;
//PRINT_TRACE

// Delete current project
	if(load_mode == LOADMODE_REPLACE ||
		load_mode == LOADMODE_REPLACE_CONCATENATE)
	{
		reset_caches();

		edl->save_defaults(defaults);

		hide_plugins();

		edl->Garbage::remove_user();

		edl = new EDL;

		edl->create_objects();

		edl->copy_session(new_edls->values[0]);

		gui->mainmenu->update_toggles(0);


		gui->unlock_window();

		gwindow->gui->update_toggles(1);

		gui->lock_window("MWindow::paste_edls");


// Insert labels for certain modes constitutively
		edit_labels = 1;
		edit_plugins = 1;
		edit_autos = 1;
// Force reset of preview
//		original_length = 0;
//		original_preview_end = -1;
	}


//PRINT_TRACE

// Create new tracks in master EDL
	if(load_mode == LOADMODE_REPLACE ||
		load_mode == LOADMODE_REPLACE_CONCATENATE ||
		load_mode == LOADMODE_NEW_TRACKS)
	{

		need_new_tracks = 1;
		for(int i = 0; i < new_edls->total; i++)
		{
			EDL *new_edl = new_edls->values[i];
			for(Track *current = new_edl->tracks->first;
				current;
				current = NEXT)
			{
				if(current->data_type == TRACK_VIDEO)
				{
					edl->tracks->add_video_track(0, 0);
					if(current->draw) edl->tracks->last->draw = 1;
					destination_tracks.append(edl->tracks->last);
				}
				else
				if(current->data_type == TRACK_AUDIO)
				{
					edl->tracks->add_audio_track(0, 0);
					destination_tracks.append(edl->tracks->last);
				}
				else
				if(current->data_type == TRACK_SUBTITLE)
				{
					edl->tracks->add_subttl_track(0, 0);
					destination_tracks.append(edl->tracks->last);
				}
				edl->session->highlighted_track = edl->tracks->total() - 1;
			}

// Base track count on first EDL only for concatenation
			if(load_mode == LOADMODE_REPLACE_CONCATENATE) break;
		}

	}
	else
// Recycle existing tracks of master EDL
	if(load_mode == LOADMODE_CONCATENATE ||
		load_mode == LOADMODE_PASTE ||
		load_mode == LOADMODE_NESTED)
	{
//PRINT_TRACE

// The point of this is to shift forward labels after the selection so they can
// then be shifted back to their original locations without recursively
// shifting back every paste.
		if((load_mode == LOADMODE_PASTE ||
			load_mode == LOADMODE_NESTED) &&
			edl->session->labels_follow_edits)
			edl->labels->clear(edl->local_session->get_selectionstart(),
						edl->local_session->get_selectionend(),
						1);

		Track *current = first_track ? first_track : edl->tracks->first;
		for( ; current; current = NEXT)
		{
			if(current->record)
			{
				destination_tracks.append(current);
			}
		}
//PRINT_TRACE

	}
//PRINT_TRACE




	int destination_track = 0;
	double *paste_position = new double[destination_tracks.total];





// Iterate through the edls
	for(int i = 0; i < new_edls->total; i++)
	{

		EDL *new_edl = new_edls->values[i];
		double edl_length = new_edl->local_session->clipboard_length ?
			new_edl->local_session->clipboard_length :
			new_edl->tracks->total_length();
// printf("MWindow::paste_edls 2 %f %f\n",
// new_edl->local_session->clipboard_length,
// new_edl->tracks->total_length());
// new_edl->dump();



//PRINT_TRACE

// Convert EDL to master rates
		new_edl->resample(new_edl->session->sample_rate,
			edl->session->sample_rate,
			TRACK_AUDIO);
		new_edl->resample(new_edl->session->frame_rate,
			edl->session->frame_rate,
			TRACK_VIDEO);
//PRINT_TRACE




// Add assets and prepare index files
		for(Asset *new_asset = new_edl->assets->first;
			new_asset;
			new_asset = new_asset->next)
		{
			mainindexes->add_next_asset(0, new_asset);
		}
// Capture index file status from mainindex test
		edl->update_assets(new_edl);
//PRINT_TRACE



// Get starting point of insertion.  Need this to paste labels.
		switch(load_mode)
		{
			case LOADMODE_REPLACE:
			case LOADMODE_NEW_TRACKS:
		  	 	current_position = 0;
				break;

			case LOADMODE_CONCATENATE:
			case LOADMODE_REPLACE_CONCATENATE:
				destination_track = 0;
		  	 	if(destination_tracks.total)
					current_position = destination_tracks.values[0]->get_length();
				else
					current_position = 0;
				break;

			case LOADMODE_PASTE:
			case LOADMODE_NESTED:
				destination_track = 0;
				if(i == 0)
				{
					for(int j = 0; j < destination_tracks.total; j++)
					{
						paste_position[j] = (current_position >= 0) ?
							current_position :
							edl->local_session->get_selectionstart();
					}
				}
				break;

			case LOADMODE_RESOURCESONLY:
				edl->add_clip(new_edl);
				break;
		}



//PRINT_TRACE


// Insert edl
		if(load_mode != LOADMODE_RESOURCESONLY)
		{
// Insert labels
//printf("MWindow::paste_edls %f %f\n", current_position, edl_length);
			if(load_mode == LOADMODE_PASTE ||
				load_mode == LOADMODE_NESTED)
				edl->labels->insert_labels(new_edl->labels,
					destination_tracks.total ? paste_position[0] : 0.0,
					edl_length,
					edit_labels);
			else
				edl->labels->insert_labels(new_edl->labels,
					current_position,
					edl_length,
					edit_labels);
//PRINT_TRACE

			for(Track *new_track = new_edl->tracks->first;
				new_track;
				new_track = new_track->next)
			{
// Get destination track of same type as new_track
				for(int k = 0;
					k < destination_tracks.total &&
					destination_tracks.values[destination_track]->data_type != new_track->data_type;
					k++, destination_track++)
				{
					if(destination_track >= destination_tracks.total - 1)
						destination_track = 0;
				}

// Insert data into destination track
				if(destination_track < destination_tracks.total &&
					destination_tracks.values[destination_track]->data_type == new_track->data_type)
				{
					Track *track = destination_tracks.values[destination_track];

// Replace default keyframes if first EDL and new tracks were created.
// This means data copied from one track and pasted to another won't retain
// the camera position unless it's a keyframe.  If it did, previous data in the
// track might get unknowingly corrupted.  Ideally we would detect when differing
// default keyframes existed and create discrete keyframes for both.
					int replace_default = (i == 0) && need_new_tracks;

//printf("MWindow::paste_edls 1 %d\n", replace_default);
// Insert new track at current position
					switch(load_mode)
					{
						case LOADMODE_REPLACE_CONCATENATE:
						case LOADMODE_CONCATENATE:
							current_position = track->get_length();
							break;

						case LOADMODE_PASTE:
						case LOADMODE_NESTED:
							current_position = paste_position[destination_track];
							paste_position[destination_track] += new_track->get_length();
							break;
					}
					if (overwrite)
						track->clear(current_position,
								current_position + new_track->get_length(),
								1, // edit edits
								edit_labels,
								edit_plugins,
								edit_autos,
								1, // convert units
								0); // trim edits


//PRINT_TRACE
					track->insert_track(new_track,
						current_position,
						replace_default,
						edit_plugins,
						edit_autos,
						edl_length);
//PRINT_TRACE
				}

// Get next destination track
				destination_track++;
				if(destination_track >= destination_tracks.total)
					destination_track = 0;
			}
		}

		if(load_mode == LOADMODE_PASTE ||
			load_mode == LOADMODE_NESTED)
			current_position += edl_length;
	}


// Move loading of clips and vwindow to the end - this fixes some
// strange issue, for index not being shown
// Assume any paste operation from the same EDL won't contain any clips.
// If it did it would duplicate every clip here.
	for(int i = 0; i < new_edls->total; i++)
	{
		EDL *new_edl = new_edls->values[i];

		for(int j = 0; j < new_edl->clips.total; j++)
		{
			edl->add_clip(new_edl->clips.values[j]);
		}

		if(new_edl->total_vwindow_edls())
		{
//			if(edl->vwindow_edl)
//				edl->vwindow_edl->Garbage::remove_user();
//			edl->vwindow_edl = new EDL(edl);
//			edl->vwindow_edl->create_objects();
//			edl->vwindow_edl->copy_all(new_edl->vwindow_edl);

			for(int j = 0; j < new_edl->total_vwindow_edls(); j++)
			{
				EDL *vwindow_edl = new EDL(edl);
				vwindow_edl->create_objects();
				vwindow_edl->copy_all(new_edl->get_vwindow_edl(j));
				edl->append_vwindow_edl(vwindow_edl, 0);
			}
		}
	}


	if(paste_position) delete [] paste_position;


// This is already done in load_filenames and everything else that uses paste_edls
//	update_project(load_mode);

// Fix preview range
//	if(EQUIV(original_length, original_preview_end))
//	{
//		edl->local_session->preview_end = edl->tracks->total_playable_length();
//	}


// Start examining next batch of index files
	mainindexes->start_build();


// Don't save a backup after loading since the loaded file is on disk already.


//PRINT_TRACE
	return 0;
}

void MWindow::paste_silence()
{
	double start = edl->local_session->get_selectionstart();
	double end = edl->local_session->get_selectionend();
	undo->update_undo_before();
	edl->paste_silence(start,
		end,
		edl->session->labels_follow_edits,
		edl->session->plugins_follow_edits,
		edl->session->autos_follow_edits);
	edl->optimize();
	save_backup();
	undo->update_undo_after(_("silence"), LOAD_EDITS | LOAD_TIMEBAR);

	update_plugin_guis();
	restart_brender();
	gui->update(1, 2, 1, 1, 1, 1, 0);
	cwindow->update(1, 0, 0, 0, 1);
	cwindow->playback_engine->que->send_command(CURRENT_FRAME,
							CHANGE_EDL,
							edl,
							1);
}

void MWindow::detach_transition(Transition *transition)
{
	undo->update_undo_before();
	hide_plugin(transition, 1);
	int is_video = (transition->edit->track->data_type == TRACK_VIDEO);
	transition->edit->detach_transition();
	save_backup();
	undo->update_undo_after(_("detach transition"), LOAD_ALL);

	if(is_video) restart_brender();
	gui->update(0,
		1,
		0,
		0,
		0,
		0,
		0);
	sync_parameters(CHANGE_EDL);
}

void MWindow::detach_transitions()
{
	gui->lock_window("MWindow::detach_transitions 1");

	undo->update_undo_before();
	double start = edl->local_session->get_selectionstart();
	double end = edl->local_session->get_selectionend();
	edl->tracks->clear_transitions(start, end);

	save_backup();
	undo->update_undo_after(_("detach transitions"), LOAD_EDITS);

	sync_parameters(CHANGE_EDL);
	gui->update(0, 1, 0, 0, 0, 0, 0);
	gui->unlock_window();
}

void MWindow::paste_transition()
{
// Only the first transition gets dropped.
 	PluginServer *server = session->drag_pluginservers->values[0];

	undo->update_undo_before();
	if(server->audio)
		strcpy(edl->session->default_atransition, server->title);
	else
		strcpy(edl->session->default_vtransition, server->title);

	edl->tracks->paste_transition(server, session->edit_highlighted);
	save_backup();
	undo->update_undo_after(_("transition"), LOAD_EDITS);

	if(server->video) restart_brender();
	sync_parameters(CHANGE_ALL);
}

void MWindow::paste_transitions(int track_type, char *title)
{
	gui->lock_window("MWindow::detach_transitions 1");

	undo->update_undo_before();
	double start = edl->local_session->get_selectionstart();
	double end = edl->local_session->get_selectionend();
	edl->tracks->paste_transitions(start, end, track_type, title);

	save_backup();
	undo->update_undo_after(_("attach transitions"), LOAD_EDITS);

	sync_parameters(CHANGE_EDL);
	gui->update(0, 1, 0, 0, 0, 0, 0);
	gui->unlock_window();
}

void MWindow::paste_transition_cwindow(Track *dest_track)
{
	PluginServer *server = session->drag_pluginservers->values[0];
	undo->update_undo_before();
	edl->tracks->paste_video_transition(server, 1);
	save_backup();
	undo->update_undo_after(_("transition"), LOAD_EDITS);
	restart_brender();
	gui->update(0, 1, 0, 0, 0, 0, 0);
	sync_parameters(CHANGE_ALL);
}

void MWindow::paste_audio_transition()
{
 	PluginServer *server = scan_plugindb(edl->session->default_atransition,
		TRACK_AUDIO);
	if(!server)
	{
		char string[BCTEXTLEN];
		sprintf(string, _("No default transition %s found."), edl->session->default_atransition);
		gui->show_message(string);
		return;
	}

	undo->update_undo_before();
	edl->tracks->paste_audio_transition(server);
	save_backup();
	undo->update_undo_after(_("transition"), LOAD_EDITS);

	sync_parameters(CHANGE_EDL);
	gui->update(0, 1, 0, 0, 0, 0, 0);
}

void MWindow::paste_video_transition()
{
 	PluginServer *server = scan_plugindb(edl->session->default_vtransition,
		TRACK_VIDEO);
	if(!server)
	{
		char string[BCTEXTLEN];
		sprintf(string, _("No default transition %s found."), edl->session->default_vtransition);
		gui->show_message(string);
		return;
	}

	undo->update_undo_before();

	edl->tracks->paste_video_transition(server);
	save_backup();
	undo->update_undo_after(_("transition"), LOAD_EDITS);

	sync_parameters(CHANGE_EDL);
	restart_brender();
	gui->update(0, 1, 0, 0, 0, 0, 0);
}

void MWindow::shuffle_edits()
{
	gui->lock_window("MWindow::shuffle_edits 1");

	undo->update_undo_before();
	double start = edl->local_session->get_selectionstart();
	double end = edl->local_session->get_selectionend();

	edl->tracks->shuffle_edits(start, end);

	save_backup();
	undo->update_undo_after(_("shuffle edits"), LOAD_EDITS | LOAD_TIMEBAR);

	sync_parameters(CHANGE_EDL);
	restart_brender();
	gui->update(0, 1, 1, 0, 0, 0, 0);
	gui->unlock_window();
}

void MWindow::reverse_edits()
{
	gui->lock_window("MWindow::reverse_edits 1");

	undo->update_undo_before();
	double start = edl->local_session->get_selectionstart();
	double end = edl->local_session->get_selectionend();

	edl->tracks->reverse_edits(start, end);

	save_backup();
	undo->update_undo_after(_("reverse edits"), LOAD_EDITS | LOAD_TIMEBAR);

	sync_parameters(CHANGE_EDL);
	restart_brender();
	gui->update(0, 1, 1, 0, 0, 0, 0);
	gui->unlock_window();
}

void MWindow::align_edits()
{
	gui->lock_window("MWindow::align_edits 1");

	undo->update_undo_before();
	double start = edl->local_session->get_selectionstart();
	double end = edl->local_session->get_selectionend();

	edl->tracks->align_edits(start, end);

	save_backup();
	undo->update_undo_after(_("align edits"), LOAD_EDITS | LOAD_TIMEBAR);

	sync_parameters(CHANGE_EDL);
	restart_brender();
	gui->update(0, 1, 1, 0, 0, 0, 0);
	gui->unlock_window();
}

void MWindow::set_edit_length(double length)
{
	gui->lock_window("MWindow::detach_transitions 1");

	undo->update_undo_before();
	double start = edl->local_session->get_selectionstart();
	double end = edl->local_session->get_selectionend();

	edl->tracks->set_edit_length(start, end, length);

	save_backup();
	undo->update_undo_after(_("edit length"), LOAD_EDITS | LOAD_TIMEBAR);

	sync_parameters(CHANGE_EDL);
	restart_brender();
	gui->update(0, 1, 1, 0, 0, 0, 0);
	gui->unlock_window();
}


void MWindow::set_transition_length(Transition *transition, double length)
{
	gui->lock_window("MWindow::detach_transitions 1");

	undo->update_undo_before();
	//double start = edl->local_session->get_selectionstart();
	//double end = edl->local_session->get_selectionend();

	edl->tracks->set_transition_length(transition, length);

	save_backup();
	undo->update_undo_after(_("transition length"), LOAD_EDITS);

	edl->session->default_transition_length = length;
	sync_parameters(CHANGE_PARAMS);
	gui->update(0, 1, 0, 0, 0, 0, 0);
	gui->unlock_window();
}

void MWindow::set_transition_length(double length)
{
	gui->lock_window("MWindow::detach_transitions 1");

	undo->update_undo_before();
	double start = edl->local_session->get_selectionstart();
	double end = edl->local_session->get_selectionend();

	edl->tracks->set_transition_length(start, end, length);

	save_backup();
	undo->update_undo_after(_("transition length"), LOAD_EDITS);

	edl->session->default_transition_length = length;
	sync_parameters(CHANGE_PARAMS);
	restart_brender();
	gui->update(0, 1, 0, 0, 0, 0, 0);
	gui->unlock_window();
}


void MWindow::redo_entry(BC_WindowBase *calling_window_gui)
{

	calling_window_gui->unlock_window();

	cwindow->playback_engine->que->send_command(STOP,
		CHANGE_NONE,
		0,
		0);
	cwindow->playback_engine->interrupt_playback(0);

	for(int i = 0; i < vwindows.size(); i++)
	{
		if(vwindows.get(i)->is_running())
		{
			vwindows.get(i)->playback_engine->que->send_command(STOP,
				CHANGE_NONE,
				0,
				0);
			vwindows.get(i)->playback_engine->interrupt_playback(0);
		}
	}

	cwindow->gui->lock_window("MWindow::redo_entry");
	for(int i = 0; i < vwindows.size(); i++)
	{
		if(vwindows.get(i)->is_running())
		{
			if (calling_window_gui != vwindows.get(i)->gui)
			{
				vwindows.get(i)->gui->lock_window("MWindow::redo_entry 2");
			}
		}
	}
	gui->lock_window();

	undo->redo();

	save_backup();
	update_plugin_states();
	update_plugin_guis();
	restart_brender();
	gui->update(1, 2, 1, 1, 1, 1, 1);
	cwindow->update(1, 1, 1, 1, 1);

	if (calling_window_gui != cwindow->gui)
		cwindow->gui->unlock_window();
	if (calling_window_gui != gui)
		gui->unlock_window();


	for(int i = 0; i < vwindows.size(); i++)
	{
		if(vwindows.get(i)->is_running())
		{
			if (calling_window_gui != vwindows.get(i)->gui)
			{
				vwindows.get(i)->gui->unlock_window();
			}
		}
	}

	cwindow->playback_engine->que->send_command(CURRENT_FRAME,
	    		   CHANGE_ALL,
	    		   edl,
	    		   1);

}


void MWindow::resize_track(Track *track, int w, int h)
{
	undo->update_undo_before();
// We have to move all maskpoints so they do not move in relation to image areas
	((MaskAutos*)track->automation->autos[AUTOMATION_MASK])->translate_masks(
		(w - track->track_w) / 2,
		(h - track->track_h) / 2);
	track->track_w = w;
	track->track_h = h;
	undo->update_undo_after(_("resize track"), LOAD_ALL);
	save_backup();

	restart_brender();
	sync_parameters(CHANGE_EDL);
}


void MWindow::set_inpoint(int is_mwindow)
{
	undo->update_undo_before();
	edl->set_inpoint(edl->local_session->get_selectionstart(1));
	save_backup();
	undo->update_undo_after(_("in point"), LOAD_TIMEBAR);

	if(!is_mwindow)
	{
		gui->lock_window("MWindow::set_inpoint 1");
	}
	gui->update_timebar(1);
	if(!is_mwindow)
	{
		gui->unlock_window();
	}

	if(is_mwindow)
	{
		cwindow->gui->lock_window("MWindow::set_inpoint 2");
	}
	cwindow->gui->timebar->update(1);
	if(is_mwindow)
	{
		cwindow->gui->unlock_window();
	}
}

void MWindow::set_outpoint(int is_mwindow)
{
	undo->update_undo_before();
	edl->set_outpoint(edl->local_session->get_selectionend(1));
	save_backup();
	undo->update_undo_after(_("out point"), LOAD_TIMEBAR);

	if(!is_mwindow)
	{
		gui->lock_window("MWindow::set_outpoint 1");
	}
	gui->update_timebar(1);
	if(!is_mwindow)
	{
		gui->unlock_window();
	}

	if(is_mwindow)
	{
		cwindow->gui->lock_window("MWindow::set_outpoint 2");
	}
	cwindow->gui->timebar->update(1);
	if(is_mwindow)
	{
		cwindow->gui->unlock_window();
	}
}

void MWindow::splice(EDL *source)
{
	FileXML file;

	undo->update_undo_before();
	source->copy(source->local_session->get_selectionstart(),
		source->local_session->get_selectionend(),
		1,
		0,
		0,
		&file,
		"",
		1);



//file.dump();
	double start = edl->local_session->get_selectionstart();
	//double end = edl->local_session->get_selectionend();
	double source_start = source->local_session->get_selectionstart();
	double source_end = source->local_session->get_selectionend();

	paste(start,
		start,
		&file,
		edl->session->labels_follow_edits,
		edl->session->plugins_follow_edits,
		edl->session->autos_follow_edits);

// Position at end of clip
	edl->local_session->set_selectionstart(start +
		source_end -
		source_start);
	edl->local_session->set_selectionend(start +
		source_end -
		source_start);

	save_backup();
	undo->update_undo_after(_("splice"), LOAD_EDITS | LOAD_TIMEBAR);
	update_plugin_guis();
	restart_brender();
	gui->update(1, 1, 1, 1, 0, 1, 0);
	sync_parameters(CHANGE_EDL);
}

void MWindow::to_clip()
{
	FileXML file;
	double start, end;

	gui->lock_window("MWindow::to_clip 1");
	start = edl->local_session->get_selectionstart();
	end = edl->local_session->get_selectionend();

	if(EQUIV(end, start))
	{
		start = 0;
		end = edl->tracks->total_length();
	}

// Don't copy all since we don't want the clips twice.
	edl->copy(start,
		end,
		0,
		0,
		0,
		&file,
		"",
		1);


	EDL *new_edl = new EDL(edl);
	new_edl->create_objects();
	new_edl->load_xml(&file, LOAD_ALL);
	sprintf(new_edl->local_session->clip_title, _("Clip %d"), session->clip_number++);
	char string[BCTEXTLEN];
	Units::totext(string,
			end - start,
			edl->session->time_format,
			edl->session->sample_rate,
			edl->session->frame_rate,
			edl->session->frames_per_foot);

	sprintf(new_edl->local_session->clip_notes, _("%s\nCreated from main window"), string);

	new_edl->local_session->set_selectionstart(0);
	new_edl->local_session->set_selectionend(0);

	gui->unlock_window();

	awindow->clip_edit->create_clip(new_edl);

	gui->lock_window("MWindow::to_clip 2");
	save_backup();
	gui->unlock_window();
}

int MWindow::toggle_label(int is_mwindow)
{
	double position1, position2;
	undo->update_undo_before();

	if(cwindow->playback_engine->is_playing_back)
	{
		position1 = position2 =
			cwindow->playback_engine->get_tracking_position();
	}
	else
	{
		position1 = edl->local_session->get_selectionstart(1);
		position2 = edl->local_session->get_selectionend(1);
	}

	position1 = edl->align_to_frame(position1, 0);
	position2 = edl->align_to_frame(position2, 0);

//printf("MWindow::toggle_label 1\n");

	edl->labels->toggle_label(position1, position2);
	save_backup();

	if(!is_mwindow)
	{
		gui->lock_window("MWindow::toggle_label 1");
	}
	gui->update_timebar(0);
	gui->activate_timeline();
	gui->flush();
	if(!is_mwindow)
	{
		gui->unlock_window();
	}

	if(is_mwindow)
	{
		cwindow->gui->lock_window("MWindow::toggle_label 2");
	}
	cwindow->gui->timebar->update(1);
	if(is_mwindow)
	{
		cwindow->gui->unlock_window();
	}

	undo->update_undo_after(_("label"), LOAD_TIMEBAR);
	return 0;
}

void MWindow::trim_selection()
{
	undo->update_undo_before();


	edl->trim_selection(edl->local_session->get_selectionstart(),
		edl->local_session->get_selectionend(),
		edl->session->labels_follow_edits,
		edl->session->plugins_follow_edits,
		edl->session->autos_follow_edits);

	save_backup();
	undo->update_undo_after(_("trim selection"), LOAD_EDITS | LOAD_TIMEBAR);
	update_plugin_guis();
	gui->update(1, 2, 1, 1, 1, 1, 0);
	cwindow->update(1, 0, 0, 0, 1);
	restart_brender();
	cwindow->playback_engine->que->send_command(CURRENT_FRAME,
							CHANGE_EDL,
							edl,
							1);
}



void MWindow::undo_entry(BC_WindowBase *calling_window_gui)
{
	calling_window_gui->unlock_window();

	cwindow->playback_engine->que->send_command(STOP,
		CHANGE_NONE,
		0,
		0);
	cwindow->playback_engine->interrupt_playback(0);

//printf("MWindow::undo_entry %d %d\n", __LINE__, vwindows.size());
	for(int i = 0; i < vwindows.size(); i++)
	{
		if(vwindows.get(i)->is_running())
		{
			vwindows.get(i)->playback_engine->que->send_command(STOP,
				CHANGE_NONE,
				0,
				0);
			vwindows.get(i)->playback_engine->interrupt_playback(0);
		}
	}

	cwindow->gui->lock_window("MWindow::undo_entry 1");
	for(int i = 0; i < vwindows.size(); i++)
	{
		if(vwindows.get(i)->is_running())
		{
			if (calling_window_gui != vwindows.get(i)->gui)
			{
				vwindows.get(i)->gui->lock_window("MWindow::undo_entry 4");
			}
		}
	}
	gui->lock_window("MWindow::undo_entry 2");

	undo->undo();

	save_backup();
	restart_brender();
	update_plugin_states();
	update_plugin_guis();



	gui->update(1, 2, 1, 1, 1, 1, 1);

	gui->unlock_window();

	cwindow->update(1, 1, 1, 1, 1);

	cwindow->gui->unlock_window();

	for(int i = 0; i < vwindows.size(); i++)
	{
		if(vwindows.get(i)->is_running())
		{
			if (calling_window_gui != vwindows.get(i)->gui)
			{
				vwindows.get(i)->gui->unlock_window();
			}
		}
	}

	if (calling_window_gui != gui)
		gui->unlock_window();


	awindow->gui->async_update_assets();

	cwindow->playback_engine->que->send_command(CURRENT_FRAME,
	    		   CHANGE_ALL,
	    		   edl,
	    		   1);
	calling_window_gui->lock_window("MWindow::undo_entry 4");
}



void MWindow::new_folder(const char *new_folder)
{
	undo->update_undo_before();
	edl->new_folder(new_folder);
	undo->update_undo_after(_("new folder"), LOAD_ALL);
	awindow->gui->async_update_assets();
}

void MWindow::delete_folder(char *folder)
{
//	undo->update_undo_after(_("delete folder"), LOAD_ALL);
}

void MWindow::select_point(double position)
{
	edl->local_session->set_selectionstart(position);
	edl->local_session->set_selectionend(position);

// Que the CWindow
	cwindow->update(1, 0, 0, 0, 1);


	update_plugin_guis();
	gui->update_patchbay();
	gui->hide_cursor(0);
	gui->draw_cursor(0);
	gui->mainclock->update(edl->local_session->get_selectionstart(1));
	gui->zoombar->update();
	gui->update_timebar(0);
	gui->flash_canvas(0);
	gui->flush();
}




void MWindow::map_audio(int pattern)
{
	undo->update_undo_before();
	remap_audio(pattern);
	undo->update_undo_after(
		pattern == MWindow::AUDIO_1_TO_1 ? _("map 1:1") : _("map 5.1:2"),
		LOAD_AUTOMATION);
	sync_parameters(CHANGE_PARAMS);
	gui->update(0, 1, 0, 0, 1, 0, 0);
}

void MWindow::remap_audio(int pattern)
{
	int current_channel = 0;
	int current_track = 0;
	for(Track *current = edl->tracks->first; current; current = NEXT)
	{
		if(current->data_type == TRACK_AUDIO &&
			current->record)
		{
			Autos *pan_autos = current->automation->autos[AUTOMATION_PAN];
			PanAuto *pan_auto = (PanAuto*)pan_autos->get_auto_for_editing(-1);

			for(int i = 0; i < MAXCHANNELS; i++)
			{
				pan_auto->values[i] = 0.0;
			}

			if(pattern == MWindow::AUDIO_1_TO_1)
			{
				pan_auto->values[current_channel] = 1.0;
			}
			else
			if(pattern == MWindow::AUDIO_5_1_TO_2)
			{
				switch(current_track)
				{
					case 0:
						pan_auto->values[0] = 0.5;
						pan_auto->values[1] = 0.5;
						break;
					case 1:
						pan_auto->values[0] = 1;
						break;
					case 2:
						pan_auto->values[1] = 1;
						break;
					case 3:
						pan_auto->values[0] = 1;
						break;
					case 4:
						pan_auto->values[1] = 1;
						break;
					case 5:
						pan_auto->values[0] = 0.5;
						pan_auto->values[1] = 0.5;
						break;
				}
			}

			BC_Pan::calculate_stick_position(edl->session->audio_channels,
				edl->session->achannel_positions,
				pan_auto->values,
				MAX_PAN,
				PAN_RADIUS,
				pan_auto->handle_x,
				pan_auto->handle_y);

			current_channel++;
			current_track++;
			if(current_channel >= edl->session->audio_channels)
				current_channel = 0;
		}
	}
}

void MWindow::cut_commercials()
{
	undo->update_undo_before();
	commercials->scan_media();
	edl->optimize();
	save_backup();
	undo->update_undo_after(_("cut ads"), LOAD_EDITS | LOAD_TIMEBAR);

	restart_brender();
	update_plugin_guis();
	gui->update(1, 2, 1, 1, 1, 1, 0);
	cwindow->update(1, 0, 0, 0, 1);
	cwindow->playback_engine->que->
		send_command(CURRENT_FRAME, CHANGE_EDL, edl, 1);
}