/*
    Copyright (C) 2002-2006 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 <gtkmm2ext/gtk_ui.h>
#include <gtkmm2ext/stop_signal.h>
#include <gtkmm2ext/choice.h>
#include <gtkmm2ext/doi.h>
#include <gtkmm2ext/bindable_button.h>
#include <gtkmm2ext/barcontroller.h>
#include <gtkmm2ext/gtk_ui.h>

#include "ardour/route_group.h"
#include "ardour/dB.h"
#include "pbd/memento_command.h"
#include "pbd/stacktrace.h"
#include "pbd/shiva.h"
#include "pbd/controllable.h"

#include "ardour_ui.h"
#include "editor.h"
#include "route_ui.h"
#include "keyboard.h"
#include "utils.h"
#include "prompter.h"
#include "gui_thread.h"
#include "ardour_dialog.h"
#include "latency_gui.h"
#include "mixer_strip.h"
#include "automation_time_axis.h"

#include "ardour/route.h"
#include "ardour/event_type_map.h"
#include "ardour/session.h"
#include "ardour/audioengine.h"
#include "ardour/audio_track.h"
#include "ardour/audio_diskstream.h"
#include "ardour/midi_track.h"
#include "ardour/midi_diskstream.h"
#include "ardour/template_utils.h"
#include "ardour/filename_extensions.h"
#include "ardour/directory_names.h"
#include "ardour/profile.h"

#include "i18n.h"
using namespace sigc;
using namespace Gtk;
using namespace Gtkmm2ext;
using namespace ARDOUR;
using namespace PBD;

RouteUI::RouteUI (ARDOUR::Session& sess)
	: AxisView(sess)
{
	init ();
}

RouteUI::RouteUI (boost::shared_ptr<ARDOUR::Route> rt, ARDOUR::Session& sess)
	: AxisView(sess)
{
	init ();
	set_route (rt);
}

RouteUI::~RouteUI()
{
       /* derived classes should emit GoingAway so that they receive the signal
          when the object is still a legal derived instance.
       */

	delete solo_menu;
	delete mute_menu;
	delete sends_menu;
}

void
RouteUI::init ()
{
	self_destruct = true;
	xml_node = 0;
	mute_menu = 0;
	solo_menu = 0;
	sends_menu = 0;
	ignore_toggle = false;
	wait_for_release = false;
	route_active_menu_item = 0;
	polarity_menu_item = 0;
	denormal_menu_item = 0;
	multiple_mute_change = false;
	multiple_solo_change = false;

	mute_button = manage (new BindableToggleButton ());
	mute_button->set_self_managed (true);
	mute_button->set_name ("MuteButton");
	mute_button->add (mute_button_label);
	mute_button_label.show ();
	UI::instance()->set_tip (mute_button, _("Mute this track"), "");

	solo_button = manage (new BindableToggleButton ());
	solo_button->set_self_managed (true);
	solo_button->set_name ("SoloButton");
	solo_button->add (solo_button_label);
	solo_button_label.show ();
	UI::instance()->set_tip (solo_button, _("Mute other (non-soloed) tracks"), "");
	solo_button->set_no_show_all (true);

	rec_enable_button = manage (new BindableToggleButton ());
	rec_enable_button->set_name ("RecordEnableButton");
	rec_enable_button->set_self_managed (true);
	rec_enable_button->add (rec_enable_button_label);
	rec_enable_button_label.show ();
	UI::instance()->set_tip (rec_enable_button, _("Enable recording on this track"), "");

	show_sends_button = manage (new BindableToggleButton (""));
	show_sends_button->set_name ("SendAlert");
	show_sends_button->set_self_managed (true);
	UI::instance()->set_tip (show_sends_button, _("make mixer strips show sends to this bus"), "");

	_session.SoloChanged.connect (mem_fun(*this, &RouteUI::solo_changed_so_update_mute));
	_session.TransportStateChange.connect (mem_fun (*this, &RouteUI::check_rec_enable_sensitivity));

	Config->ParameterChanged.connect (mem_fun (*this, &RouteUI::parameter_changed));
}

void
RouteUI::reset ()
{
	//Remove route connections associated with us.
	for (vector<sigc::connection>::iterator it = connections.begin(); it!=connections.end(); ++it) {
	    (*it).disconnect();
	}

	connections.clear ();

	delete solo_menu;
	solo_menu = 0;

	delete mute_menu;
	mute_menu = 0;

	if (xml_node) {
		/* do not delete the node - its owned by the route */
		xml_node = 0;
	}

	route_active_menu_item = 0;
	polarity_menu_item = 0;
	denormal_menu_item = 0;
}

void
RouteUI::set_route (boost::shared_ptr<Route> rp)
{
	reset ();

	_route = rp;

	if (set_color_from_route()) {
		set_color (unique_random_color());
	}

	/* no, there is no memory leak here. This object cleans itself (and other stuff)
	   up when the route is destroyed.
	*/

	if (self_destruct) {
		new PairedShiva<Route,RouteUI> (*_route, *this);
	}

	mute_button->set_controllable (_route->mute_control());
	solo_button->set_controllable (_route->solo_control());

	connections.push_back (_route->active_changed.connect (mem_fun (*this, &RouteUI::route_active_changed)));
	connections.push_back (_route->mute_changed.connect (mem_fun(*this, &RouteUI::mute_changed)));
	connections.push_back (_route->solo_changed.connect (mem_fun(*this, &RouteUI::solo_changed)));
	connections.push_back (_route->listen_changed.connect (mem_fun(*this, &RouteUI::listen_changed)));
	connections.push_back (_route->solo_isolated_changed.connect (mem_fun(*this, &RouteUI::solo_changed)));

	if (_session.writable() && is_track()) {
		boost::shared_ptr<Track> t = boost::dynamic_pointer_cast<Track>(_route);

		connections.push_back (t->diskstream()->RecordEnableChanged.connect (mem_fun (*this, &RouteUI::route_rec_enable_changed)));
		connections.push_back (_session.RecordStateChanged.connect (mem_fun (*this, &RouteUI::session_rec_enable_changed)));

		rec_enable_button->show();
 		rec_enable_button->set_controllable (t->rec_enable_control());

		update_rec_display ();
	}

	mute_button->unset_flags (Gtk::CAN_FOCUS);
	solo_button->unset_flags (Gtk::CAN_FOCUS);

	mute_button->show();

	if (_route->is_control()) {
		solo_button->hide ();
	} else {
		solo_button->show();
	}

	/* map the current state */

	mute_changed (0);
	solo_changed (0);

	map_frozen ();
}

bool
RouteUI::mute_press(GdkEventButton* ev)
{
	if (ev->type == GDK_2BUTTON_PRESS || ev->type == GDK_3BUTTON_PRESS ) {
		return true;
	}
	multiple_mute_change = false;
	if (!ignore_toggle) {

		if (Keyboard::is_context_menu_event (ev)) {

			if (mute_menu == 0){
				build_mute_menu();
			}

			mute_menu->popup(0,ev->time);

		} else {

			if (Keyboard::is_button2_event (ev)) {
				// Primary-button2 click is the midi binding click
				// button2-click is "momentary"

				if (!Keyboard::modifier_state_equals (ev->state, Keyboard::ModifierMask (Keyboard::PrimaryModifier))) {
					wait_for_release = true;
				} else {
					return false;
				}
			}

			if (ev->button == 1 || Keyboard::is_button2_event (ev)) {

				if (Keyboard::modifier_state_equals (ev->state, Keyboard::ModifierMask (Keyboard::PrimaryModifier|Keyboard::TertiaryModifier))) {

					/* Primary-Tertiary-click applies change to all routes */

					_session.begin_reversible_command (_("mute change"));
                                        Session::GlobalMuteStateCommand *cmd = new Session::GlobalMuteStateCommand(_session, this);
					_session.set_all_mute (!_route->muted());
                                        cmd->mark();
					_session.add_command(cmd);
					_session.commit_reversible_command ();
					multiple_mute_change = true;

				} else if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {

					/* Primary-button1 applies change to the mix group.
					   NOTE: Primary-button2 is MIDI learn.
					*/

					if (ev->button == 1) {
						set_route_group_mute (_route, !_route->muted());
					}

				} else {

					/* plain click applies change to this route */
					if (wait_for_release) {
						_route->set_mute (!_route->muted(), this);
					} else {
						reversibly_apply_route_boolean ("mute change", &Route::set_mute, !_route->muted(), this);
					}
				}
			}
		}

	}

	return true;
}

bool
RouteUI::mute_release(GdkEventButton*)
{
	if (!ignore_toggle) {
		if (wait_for_release){
			wait_for_release = false;
			if (multiple_mute_change) {
				multiple_mute_change = false;
				// undo the last op
				// because the press was the last undoable thing we did
				_session.undo (1U);
			} else {
				_route->set_mute (!_route->muted(), this);
			}
		}
	}
	return true;
}

bool
RouteUI::solo_press(GdkEventButton* ev)
{
	/* ignore double/triple clicks */

	if (ev->type == GDK_2BUTTON_PRESS || ev->type == GDK_3BUTTON_PRESS ) {
		return true;
	}

	if (Config->get_solo_control_is_listen_control()) {

		_route->set_listen (!_route->listening(), this);

	} else {

		multiple_solo_change = false;
		if (!ignore_toggle) {

			if (Keyboard::is_context_menu_event (ev)) {

				if (solo_menu == 0) {
					build_solo_menu ();
				}

				solo_menu->popup (1, ev->time);

			} else {

				if (Keyboard::is_button2_event (ev)) {

					// Primary-button2 click is the midi binding click
					// button2-click is "momentary"

					if (!Keyboard::modifier_state_equals (ev->state, Keyboard::ModifierMask (Keyboard::PrimaryModifier))) {
						wait_for_release = true;
					} else {
						return false;
					}
				}

				if (ev->button == 1 || Keyboard::is_button2_event (ev)) {

					if (Keyboard::modifier_state_equals (ev->state, Keyboard::ModifierMask (Keyboard::PrimaryModifier|Keyboard::TertiaryModifier))) {

						/* Primary-Tertiary-click applies change to all routes */
						bool was_not_latched = false;
						if (!Config->get_solo_latched ()) {
							was_not_latched = true;
							/*
							  XXX it makes no sense to solo all tracks if we're
							  not in latched mode, but doing nothing feels like a bug,
							  so do it anyway
							*/
							Config->set_solo_latched (true);
						}
						_session.begin_reversible_command (_("solo change"));
						Session::GlobalSoloStateCommand *cmd = new Session::GlobalSoloStateCommand(_session, this);
						_session.set_all_solo (!_route->soloed());
						cmd->mark();
						_session.add_command (cmd);
						_session.commit_reversible_command ();
						multiple_solo_change = true;
						if (was_not_latched) {
							Config->set_solo_latched (false);
						}

					} else if (Keyboard::modifier_state_contains (ev->state, Keyboard::ModifierMask (Keyboard::PrimaryModifier|Keyboard::SecondaryModifier))) {

						// Primary-Secondary-click: exclusively solo this track, not a toggle */

						_session.begin_reversible_command (_("solo change"));
						Session::GlobalSoloStateCommand *cmd = new Session::GlobalSoloStateCommand (_session, this);
						_session.set_all_solo (false);
						_route->set_solo (true, this);
						cmd->mark();
						_session.add_command(cmd);
						_session.commit_reversible_command ();

					} else if (Keyboard::modifier_state_equals (ev->state, Keyboard::TertiaryModifier)) {

						// shift-click: set this route to solo safe

						if (Profile->get_sae() && ev->button == 1) {
							// button 1 and shift-click: disables solo_latched for this click
							if (!Config->get_solo_latched ()) {
								Config->set_solo_latched (true);
								reversibly_apply_route_boolean ("solo change", &Route::set_solo, !_route->soloed(), this);
								Config->set_solo_latched (false);
							}
						} else {
							_route->set_solo_isolated (!_route->solo_isolated(), this);
							wait_for_release = false;
						}

					} else if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {

						/* Primary-button1: solo mix group.
						   NOTE: Primary-button2 is MIDI learn.
						*/

						if (ev->button == 1) {
							set_route_group_solo (_route, !_route->soloed());
						}

					} else {

						/* click: solo this route */
						if (wait_for_release) {
							_route->set_solo (!_route->soloed(), this);
						} else {
							reversibly_apply_route_boolean ("solo change", &Route::set_solo, !_route->soloed(), this);
						}
					}
				}
			}
		}
	}

	return true;
}

bool
RouteUI::solo_release(GdkEventButton*)
{
	if (!ignore_toggle) {
		if (wait_for_release) {
			wait_for_release = false;
			if (multiple_solo_change) {
				multiple_solo_change = false;
				// undo the last op
				// because the press was the last undoable thing we did
				_session.undo (1U);
			} else {
				// we don't use "undo the last op"
				// here because its expensive for the GUI
				_route->set_solo (!_route->soloed(), this);
			}
		}
	}

	return true;
}

bool
RouteUI::rec_enable_press(GdkEventButton* ev)
{
	if (ev->type == GDK_2BUTTON_PRESS || ev->type == GDK_3BUTTON_PRESS ) {
		return true;
	}

	if (!_session.engine().connected()) {
	        MessageDialog msg (_("Not connected to JACK - cannot engage record"));
		msg.run ();
		return true;
	}

	if (!ignore_toggle && is_track() && rec_enable_button) {

		if (Keyboard::is_button2_event (ev) && Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {

			// do nothing on midi bind event
			return false;

		} else if (Keyboard::modifier_state_equals (ev->state, Keyboard::ModifierMask (Keyboard::PrimaryModifier|Keyboard::TertiaryModifier))) {

			_session.begin_reversible_command (_("rec-enable change"));
                        Session::GlobalRecordEnableStateCommand *cmd = new Session::GlobalRecordEnableStateCommand(_session, this);

			if (rec_enable_button->get_active()) {
				_session.record_disenable_all ();
			} else {
				_session.record_enable_all ();
				check_rec_enable_sensitivity ();
			}

                        cmd->mark();
			_session.add_command(cmd);
			_session.commit_reversible_command ();

		} else if (Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {

			/* Primary-button1 applies change to the mix group.
			   NOTE: Primary-button2 is MIDI learn.
			*/

			set_route_group_rec_enable (_route, !_route->record_enabled());

		} else if (Keyboard::is_context_menu_event (ev)) {

			/* do this on release */

		} else {
			reversibly_apply_track_boolean ("rec-enable change", &Track::set_record_enable, !track()->record_enabled(), this);
			check_rec_enable_sensitivity ();
		}
	}

	return true;
}

bool
RouteUI::rec_enable_release (GdkEventButton*)
{
	return true;
}

void
RouteUI::build_sends_menu ()
{
	using namespace Menu_Helpers;

	sends_menu = new Menu;
	sends_menu->set_name ("ArdourContextMenu");
	MenuList& items = sends_menu->items();

	items.push_back (MenuElem(_("Assign all tracks (prefader)"), bind (mem_fun (*this, &RouteUI::create_sends), PreFader)));
	items.push_back (MenuElem(_("Assign all tracks (postfader)"), bind (mem_fun (*this, &RouteUI::create_sends), PostFader)));
	items.push_back (MenuElem(_("Copy track gains to sends"), mem_fun (*this, &RouteUI::set_sends_gain_from_track)));
	items.push_back (MenuElem(_("Set sends gain to -inf"), mem_fun (*this, &RouteUI::set_sends_gain_to_zero)));
	items.push_back (MenuElem(_("Set sends gain to 0dB"), mem_fun (*this, &RouteUI::set_sends_gain_to_unity)));

}

void
RouteUI::create_sends (Placement p)
{
	_session.globally_add_internal_sends (_route, p);
}

void
RouteUI::set_sends_gain_from_track ()
{
	_session.globally_set_send_gains_from_track (_route);
}

void
RouteUI::set_sends_gain_to_zero ()
{
	_session.globally_set_send_gains_to_zero (_route);
}

void
RouteUI::set_sends_gain_to_unity ()
{
	_session.globally_set_send_gains_to_unity (_route);
}

bool
RouteUI::show_sends_press(GdkEventButton* ev)
{
	if (ev->type == GDK_2BUTTON_PRESS || ev->type == GDK_3BUTTON_PRESS ) {
		return true;
	}

	if (!ignore_toggle && !is_track() && show_sends_button) {

		if (Keyboard::is_button2_event (ev) && Keyboard::modifier_state_equals (ev->state, Keyboard::PrimaryModifier)) {

			// do nothing on midi bind event
			return false;

		} else if (Keyboard::is_context_menu_event (ev)) {

			if (sends_menu == 0) {
				build_sends_menu ();
			}

			sends_menu->popup (0, ev->time);

		} else {

			/* change button state */

			show_sends_button->set_active (!show_sends_button->get_active());

			/* start blinking */

			if (show_sends_button->get_active()) {
				/* show sends to this bus */
				MixerStrip::SwitchIO (_route);
				send_blink_connection = ARDOUR_UI::instance()->Blink.connect (mem_fun(*this, &RouteUI::send_blink));
			} else {
				/* everybody back to normal */
				send_blink_connection.disconnect ();
				MixerStrip::SwitchIO (boost::shared_ptr<Route>());
			}

		}
	}

	return true;
}

bool
RouteUI::show_sends_release (GdkEventButton*)
{
	return true;
}

void
RouteUI::send_blink (bool onoff)
{
	if (!show_sends_button) {
		return;
	}

	if (onoff) {
		show_sends_button->set_state (STATE_ACTIVE);
	} else {
		show_sends_button->set_state (STATE_NORMAL);
	}
}

void
RouteUI::solo_changed(void* /*src*/)
{
	Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &RouteUI::update_solo_display));
}


void
RouteUI::listen_changed(void* /*src*/)
{
	Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &RouteUI::update_solo_display));
}

void
RouteUI::update_solo_display ()
{
	bool x;

	if (Config->get_solo_control_is_listen_control()) {

		if (solo_button->get_active() != (x = _route->listening())) {
			ignore_toggle = true;
			solo_button->set_active(x);
			ignore_toggle = false;
		}

		if (x) {
			solo_button->set_visual_state (1);
		} else {
			solo_button->set_visual_state (0);
		}


	} else {

		if (solo_button->get_active() != (x = _route->soloed())){
			ignore_toggle = true;
			solo_button->set_active (x);
			ignore_toggle = false;
		}

		if (_route->solo_isolated()) {
			solo_button->set_visual_state (2);
		} else if (x) {
			solo_button->set_visual_state (1);
		} else {
			solo_button->set_visual_state (0);
		}
	}
}

void
RouteUI::solo_changed_so_update_mute ()
{
	Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &RouteUI::update_mute_display));
}

void
RouteUI::mute_changed(void* /*src*/)
{
	Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &RouteUI::update_mute_display));
}

void
RouteUI::update_mute_display ()
{
	bool model = _route->muted();
	bool view = mute_button->get_active();

	/* first make sure the button's "depressed" visual
	   is correct.
	*/

	if (model != view) {
		ignore_toggle = true;
		mute_button->set_active (model);
		ignore_toggle = false;
	}

	/* now attend to visual state */

	if (Config->get_show_solo_mutes()) {
		if (_route->muted()) {
			mute_button->set_visual_state (2);
		} else if (!_route->soloed() && _session.soloing()) {
			mute_button->set_visual_state (1);
		} else {
			mute_button->set_visual_state (0);
		}
	} else {
		if (_route->muted()) {
			mute_button->set_visual_state (2);
		} else {
			mute_button->set_visual_state (0);
		}
	}

}

void
RouteUI::route_rec_enable_changed ()
{
	Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &RouteUI::update_rec_display));
}

void
RouteUI::session_rec_enable_changed ()
{
	Gtkmm2ext::UI::instance()->call_slot (mem_fun (*this, &RouteUI::update_rec_display));
}

void
RouteUI::update_rec_display ()
{
	bool model = _route->record_enabled();
	bool view = rec_enable_button->get_active();

	/* first make sure the button's "depressed" visual
	   is correct.
	*/

	if (model != view) {
		ignore_toggle = true;
		rec_enable_button->set_active (model);
		ignore_toggle = false;
	}
	else {
		return;
	}

	/* now make sure its color state is correct */

	if (model) {

		switch (_session.record_status ()) {
		case Session::Recording:
			rec_enable_button->set_visual_state (1);
			break;

		case Session::Disabled:
		case Session::Enabled:
			rec_enable_button->set_visual_state (2);
			break;

		}

	} else {
		rec_enable_button->set_visual_state (0);
	}
}

void
RouteUI::build_solo_menu (void)
{
	using namespace Menu_Helpers;

	solo_menu = new Menu;
	solo_menu->set_name ("ArdourContextMenu");
	MenuList& items = solo_menu->items();
	CheckMenuItem* check;

	check = new CheckMenuItem(_("Solo Isolate"));
	check->set_active (_route->solo_isolated());
	check->signal_toggled().connect (bind (mem_fun (*this, &RouteUI::toggle_solo_isolated), check));
	_route->solo_isolated_changed.connect(bind (mem_fun (*this, &RouteUI::solo_isolated_toggle), check));
	items.push_back (CheckMenuElem(*check));
	check->show_all();

	//items.push_back (SeparatorElem());
	// items.push_back (MenuElem (_("MIDI Bind"), mem_fun (*mute_button, &BindableToggleButton::midi_learn)));

}

void
RouteUI::build_mute_menu(void)
{
	using namespace Menu_Helpers;

	mute_menu = new Menu;
	mute_menu->set_name ("ArdourContextMenu");

#if FIX_ME_IN_3_0
	MenuList& items = mute_menu->items();
	CheckMenuItem* check;

	check = new CheckMenuItem(_("Pre Fader"));
	init_mute_menu(PRE_FADER, check);
	check->signal_toggled().connect(bind (mem_fun (*this, &RouteUI::toggle_mute_menu), PRE_FADER, check));
	_route->pre_fader_changed.connect(bind (mem_fun (*this, &RouteUI::pre_fader_toggle), check));
	items.push_back (CheckMenuElem(*check));
	check->show_all();

	check = new CheckMenuItem(_("Post Fader"));
	init_mute_menu(POST_FADER, check);
	check->signal_toggled().connect(bind (mem_fun (*this, &RouteUI::toggle_mute_menu), POST_FADER, check));
	_route->post_fader_changed.connect(bind (mem_fun (*this, &RouteUI::post_fader_toggle), check));
	items.push_back (CheckMenuElem(*check));
	check->show_all();

	check = new CheckMenuItem(_("Control Outs"));
	init_mute_menu(CONTROL_OUTS, check);
	check->signal_toggled().connect(bind (mem_fun (*this, &RouteUI::toggle_mute_menu), CONTROL_OUTS, check));
	_route->control_outs_changed.connect(bind (mem_fun (*this, &RouteUI::control_outs_toggle), check));
	items.push_back (CheckMenuElem(*check));
	check->show_all();

	check = new CheckMenuItem(_("Main Outs"));
	init_mute_menu(MAIN_OUTS, check);
	check->signal_toggled().connect(bind (mem_fun (*this, &RouteUI::toggle_mute_menu), MAIN_OUTS, check));
	_route->main_outs_changed.connect(bind (mem_fun (*this, &RouteUI::main_outs_toggle), check));
	items.push_back (CheckMenuElem(*check));
	check->show_all();
#endif
	//items.push_back (SeparatorElem());
	// items.push_back (MenuElem (_("MIDI Bind"), mem_fun (*mute_button, &BindableToggleButton::midi_learn)));
}

void
RouteUI::init_mute_menu(MuteMaster::MutePoint mp, CheckMenuItem* check)
{
	check->set_active (_route->mute_master()->muted_at (mp));
}

void
RouteUI::toggle_mute_menu(MuteMaster::MutePoint /*mp*/, Gtk::CheckMenuItem* /*check*/)
{
	// _route->set_mute_config(type, check->get_active(), this);
}

void
RouteUI::toggle_solo_isolated (Gtk::CheckMenuItem* check)
{
	_route->set_solo_isolated (check->get_active(), this);
}

void
RouteUI::set_route_group_solo(boost::shared_ptr<Route> route, bool yn)
{
	RouteGroup* route_group;

	if((route_group = route->route_group()) != 0){
		_session.begin_reversible_command (_("mix group solo  change"));
                Session::GlobalSoloStateCommand *cmd = new Session::GlobalSoloStateCommand(_session, this);
		route_group->apply(&Route::set_solo, yn, this);
                cmd->mark();
		_session.add_command (cmd);
		_session.commit_reversible_command ();
	} else {
		reversibly_apply_route_boolean ("solo change", &Route::set_solo, !route->soloed(), this);
	}
}

void
RouteUI::reversibly_apply_route_boolean (string name, void (Route::*func)(bool, void *), bool yn, void *arg)
{
	_session.begin_reversible_command (name);
	XMLNode &before = _route->get_state();
	bind(mem_fun(*_route, func), yn, arg)();
	XMLNode &after = _route->get_state();
	_session.add_command (new MementoCommand<Route>(*_route, &before, &after));
	_session.commit_reversible_command ();
}

void
RouteUI::reversibly_apply_track_boolean (string name, void (Track::*func)(bool, void *), bool yn, void *arg)
{
	_session.begin_reversible_command (name);
	XMLNode &before = track()->get_state();
	bind (mem_fun (*track(), func), yn, arg)();
	XMLNode &after = track()->get_state();
	_session.add_command (new MementoCommand<Track>(*track(), &before, &after));
	_session.commit_reversible_command ();
}

void
RouteUI::set_route_group_mute(boost::shared_ptr<Route> route, bool yn)
{
	RouteGroup* route_group;

	if((route_group = route->route_group()) != 0){
		_session.begin_reversible_command (_("mix group mute change"));
                Session::GlobalMuteStateCommand *cmd = new Session::GlobalMuteStateCommand (_session, this);
		route_group->apply(&Route::set_mute, yn, this);
                cmd->mark();
		_session.add_command(cmd);
		_session.commit_reversible_command ();
	} else {
		reversibly_apply_route_boolean ("mute change", &Route::set_mute, !route->muted(), this);
	}
}

void
RouteUI::set_route_group_rec_enable(boost::shared_ptr<Route> route, bool yn)
{
	RouteGroup* route_group;

	if((route_group = route->route_group()) != 0){
		_session.begin_reversible_command (_("mix group rec-enable change"));
                Session::GlobalRecordEnableStateCommand *cmd = new Session::GlobalRecordEnableStateCommand(_session, this);
		route_group->apply (&Route::set_record_enable, yn, this);
                cmd->mark();
		_session.add_command(cmd);
		_session.commit_reversible_command ();
	} else {
		reversibly_apply_route_boolean ("rec-enable change", &Route::set_record_enable, !_route->record_enabled(), this);
	}
}


bool
RouteUI::choose_color()
{
	bool picked;
	Gdk::Color color;

	color = Gtkmm2ext::UI::instance()->get_color (_("ardour: color selection"), picked, &_color);

	if (picked) {
		set_color (color);
	}

	return picked;
}

void
RouteUI::set_color (const Gdk::Color & c)
{
	char buf[64];

	_color = c;

	ensure_xml_node ();
	snprintf (buf, sizeof (buf), "%d:%d:%d", c.get_red(), c.get_green(), c.get_blue());
	xml_node->add_property ("color", buf);

	_route->gui_changed ("color", (void *) 0); /* EMIT_SIGNAL */
}


void
RouteUI::ensure_xml_node ()
{
	if (xml_node == 0) {
		if ((xml_node = _route->extra_xml ("GUI")) == 0) {
			xml_node = new XMLNode ("GUI");
			_route->add_extra_xml (*xml_node);
		}
	}
}

XMLNode*
RouteUI::get_automation_child_xml_node (Evoral::Parameter param)
{
	ensure_xml_node ();

	XMLNodeList kids = xml_node->children();
	XMLNodeConstIterator iter;

	const string sym = ARDOUR::EventTypeMap::instance().to_symbol(param);

	for (iter = kids.begin(); iter != kids.end(); ++iter) {
		if ((*iter)->name() == AutomationTimeAxisView::state_node_name) {
			XMLProperty* type = (*iter)->property("automation-id");
			if (type && type->value() == sym)
				return *iter;
		}
	}

	// Didn't find it, make a new one
	XMLNode* child = new XMLNode (AutomationTimeAxisView::state_node_name);
	child->add_property("automation-id", sym);
	xml_node->add_child_nocopy (*child);

	return child;
}

int
RouteUI::set_color_from_route ()
{
	XMLProperty *prop;

	RouteUI::ensure_xml_node ();

	if ((prop = xml_node->property ("color")) != 0) {
		int r, g, b;
		sscanf (prop->value().c_str(), "%d:%d:%d", &r, &g, &b);
		_color.set_red(r);
		_color.set_green(g);
		_color.set_blue(b);
		return 0;
	}
	return 1;
}

void
RouteUI::remove_this_route ()
{
	vector<string> choices;
	string prompt;

	if (is_track()) {
		prompt  = string_compose (_("Do you really want to remove track \"%1\" ?\n\nYou may also lose the playlist used by this track.\n(cannot be undone)"), _route->name());
	} else {
		prompt  = string_compose (_("Do you really want to remove bus \"%1\" ?\n(cannot be undone)"), _route->name());
	}

	choices.push_back (_("No, do nothing."));
	choices.push_back (_("Yes, remove it."));

	Choice prompter (prompt, choices);

	if (prompter.run () == 1) {
		Glib::signal_idle().connect (bind (sigc::ptr_fun (&RouteUI::idle_remove_this_route), this));
	}
}

gint
RouteUI::idle_remove_this_route (RouteUI *rui)
{
	rui->_session.remove_route (rui->_route);
	return false;
}

void
RouteUI::route_rename ()
{
	ArdourPrompter name_prompter (true);
	string result;
	name_prompter.set_prompt (_("New Name: "));
	name_prompter.set_initial_text (_route->name());
	name_prompter.add_button (_("Rename"), Gtk::RESPONSE_ACCEPT);
	name_prompter.set_response_sensitive (Gtk::RESPONSE_ACCEPT, false);
	name_prompter.show_all ();

	switch (name_prompter.run ()) {

	case Gtk::RESPONSE_ACCEPT:
        name_prompter.get_result (result);
        if (result.length()) {
			_route->set_name (result);
		}
		break;
	}

	return;

}

void
RouteUI::name_changed ()
{
	ENSURE_GUI_THREAD(sigc::mem_fun(*this, &RouteUI::name_changed));

	name_label.set_text (_route->name());
}

void
RouteUI::toggle_route_active ()
{
	bool yn;

	if (route_active_menu_item) {
		if (route_active_menu_item->get_active() != (yn = _route->active())) {
			_route->set_active (!yn);
		}
	}
}

void
RouteUI::route_active_changed ()
{
	if (route_active_menu_item) {
		Gtkmm2ext::UI::instance()->call_slot (bind (mem_fun (*route_active_menu_item, &CheckMenuItem::set_active), _route->active()));
	}
}

void
RouteUI::toggle_polarity ()
{
	if (polarity_menu_item) {

		bool x;

		ENSURE_GUI_THREAD(mem_fun (*this, &RouteUI::toggle_polarity));

		if ((x = polarity_menu_item->get_active()) != _route->phase_invert()) {
			_route->set_phase_invert (x);
			if (x) {
			        name_label.set_text (X_("Ø ") + name_label.get_text());
			} else {
			        name_label.set_text (_route->name());
			}
		}
	}
}

void
RouteUI::polarity_changed ()
{
	if (_route->phase_invert()) {
		name_label.set_text (X_("Ø ") + name_label.get_text());
	} else {
		name_label.set_text (_route->name());
	}
}

void
RouteUI::toggle_denormal_protection ()
{
	if (denormal_menu_item) {

		bool x;

		ENSURE_GUI_THREAD(mem_fun (*this, &RouteUI::toggle_denormal_protection));

		if ((x = denormal_menu_item->get_active()) != _route->denormal_protection()) {
			_route->set_denormal_protection (x);
		}
	}
}

void
RouteUI::denormal_protection_changed ()
{
	if (denormal_menu_item) {
		denormal_menu_item->set_active (_route->denormal_protection());
	}
}

void
RouteUI::solo_isolated_toggle(void* /*src*/, Gtk::CheckMenuItem* check)
{
	bool yn = _route->solo_isolated ();

	if (check->get_active() != yn) {
		check->set_active (yn);
	}
}

#ifdef FIX_THIS_FOR_3_0
void
RouteUI::pre_fader_toggle(void* src, Gtk::CheckMenuItem* check)
{
	ENSURE_GUI_THREAD(bind (mem_fun (*this, &RouteUI::pre_fader_toggle), src, check));

	bool yn = _route->get_mute_config(PRE_FADER);
	if (check->get_active() != yn) {
		check->set_active (yn);
	}
}

void
RouteUI::post_fader_toggle(void* src, Gtk::CheckMenuItem* check)
{
	ENSURE_GUI_THREAD(bind (mem_fun (*this, &RouteUI::post_fader_toggle), src, check));

	bool yn = _route->get_mute_config(POST_FADER);
	if (check->get_active() != yn) {
		check->set_active (yn);
	}
}

void
RouteUI::control_outs_toggle(void* src, Gtk::CheckMenuItem* check)
{
	ENSURE_GUI_THREAD(bind (mem_fun (*this, &RouteUI::control_outs_toggle), src, check));

	bool yn = _route->get_mute_config(CONTROL_OUTS);
	if (check->get_active() != yn) {
		check->set_active (yn);
	}
}

void
RouteUI::main_outs_toggle(void* src, Gtk::CheckMenuItem* check)
{
	ENSURE_GUI_THREAD(bind (mem_fun (*this, &RouteUI::main_outs_toggle), src, check));

	bool yn = _route->get_mute_config(MAIN_OUTS);
	if (check->get_active() != yn) {
		check->set_active (yn);
	}
}
#endif

void
RouteUI::disconnect_input ()
{
	_route->input()->disconnect (this);
}

void
RouteUI::disconnect_output ()
{
	_route->output()->disconnect (this);
}

bool
RouteUI::is_track () const
{
	return boost::dynamic_pointer_cast<Track>(_route) != 0;
}

boost::shared_ptr<Track>
RouteUI::track() const
{
	return boost::dynamic_pointer_cast<Track>(_route);
}

bool
RouteUI::is_audio_track () const
{
	return boost::dynamic_pointer_cast<AudioTrack>(_route) != 0;
}

boost::shared_ptr<AudioTrack>
RouteUI::audio_track() const
{
	return boost::dynamic_pointer_cast<AudioTrack>(_route);
}

bool
RouteUI::is_midi_track () const
{
	return boost::dynamic_pointer_cast<MidiTrack>(_route) != 0;
}

boost::shared_ptr<MidiTrack>
RouteUI::midi_track() const
{
	return boost::dynamic_pointer_cast<MidiTrack>(_route);
}

boost::shared_ptr<Diskstream>
RouteUI::get_diskstream () const
{
	boost::shared_ptr<Track> t;

	if ((t = boost::dynamic_pointer_cast<Track>(_route)) != 0) {
		return t->diskstream();
	} else {
		return boost::shared_ptr<Diskstream> ((Diskstream*) 0);
	}
}

string
RouteUI::name() const
{
	return _route->name();
}

void
RouteUI::map_frozen ()
{
	ENSURE_GUI_THREAD (mem_fun (*this, &RouteUI::map_frozen));

 	AudioTrack* at = dynamic_cast<AudioTrack*>(_route.get());

	if (at) {
		switch (at->freeze_state()) {
		case AudioTrack::Frozen:
			rec_enable_button->set_sensitive (false);
			break;
		default:
			rec_enable_button->set_sensitive (true);
			break;
		}
	}
}

void
RouteUI::adjust_latency ()
{
	LatencyDialog dialog (_route->name() + _(" latency"), *(_route->output()), _session.frame_rate(), _session.engine().frames_per_cycle());
}

void
RouteUI::save_as_template ()
{
	sys::path path;
	Glib::ustring safe_name;
	string name;

	path = ARDOUR::user_route_template_directory ();

	if (g_mkdir_with_parents (path.to_string().c_str(), 0755)) {
		error << string_compose (_("Cannot create route template directory %1"), path.to_string()) << endmsg;
		return;
	}

	Prompter p (true); // modal

	p.set_prompt (_("Template name:"));
	switch (p.run()) {
	case RESPONSE_ACCEPT:
		break;
	default:
		return;
	}

	p.hide ();
	p.get_result (name, true);

	safe_name = legalize_for_path (name);
	safe_name += template_suffix;

	path /= safe_name;

	_route->save_as_template (path.to_string(), name);
}

void
RouteUI::check_rec_enable_sensitivity ()
{
	if (_session.transport_rolling() && rec_enable_button->get_active() && Config->get_disable_disarm_during_roll()) {
		rec_enable_button->set_sensitive (false);
	} else {
		rec_enable_button->set_sensitive (true);
	}
}

void
RouteUI::parameter_changed (string const & p)
{
	ENSURE_GUI_THREAD (bind (mem_fun (*this, &RouteUI::parameter_changed), p));

	if (p == "disable-disarm-during-roll") {
		check_rec_enable_sensitivity ();
	} else if (p == "solo-control-is-listen-control") {
		set_button_names ();
	} else if (p == "listen-position") {
		set_button_names ();
	}
}

void
RouteUI::step_gain_up ()
{
	_route->set_gain (dB_to_coefficient (accurate_coefficient_to_dB (_route->gain_control()->get_value()) + 0.1), this);
}

void
RouteUI::page_gain_up ()
{
	_route->set_gain (dB_to_coefficient (accurate_coefficient_to_dB (_route->gain_control()->get_value()) + 0.5), this);
}

void
RouteUI::step_gain_down ()
{
	_route->set_gain (dB_to_coefficient (accurate_coefficient_to_dB (_route->gain_control()->get_value()) - 0.1), this);
}

void
RouteUI::page_gain_down ()
{
	_route->set_gain (dB_to_coefficient (accurate_coefficient_to_dB (_route->gain_control()->get_value()) - 0.5), this);
}

void
RouteUI::open_remote_control_id_dialog ()
{
	ArdourDialog dialog (_("Remote Control ID"));

	uint32_t const limit = _session.ntracks() + _session.nbusses () + 4;

	HBox* hbox = manage (new HBox);
	hbox->set_spacing (6);
	hbox->pack_start (*manage (new Label (_("Remote control ID:"))));
	SpinButton* spin = manage (new SpinButton);
	spin->set_digits (0);
	spin->set_increments (1, 10);
	spin->set_range (0, limit);
	spin->set_value (_route->remote_control_id());
	hbox->pack_start (*spin);
	dialog.get_vbox()->pack_start (*hbox);

	dialog.add_button (Stock::CANCEL, RESPONSE_CANCEL);
	dialog.add_button (Stock::APPLY, RESPONSE_ACCEPT);

	dialog.show_all ();
	int const r = dialog.run ();

	if (r == RESPONSE_ACCEPT) {
		_route->set_remote_control_id (spin->get_value_as_int ());
	}
}