/*
 * Copyright (C) 2006-2015 David Robillard <d@drobilla.net>
 * Copyright (C) 2008-2012 Hans Baier <hansfbaier@googlemail.com>
 * Copyright (C) 2009-2012 Carl Hetherington <carl@carlh.net>
 * Copyright (C) 2009-2018 Paul Davis <paul@linuxaudiosystems.com>
 * Copyright (C) 2014-2019 Robin Gareus <robin@gareus.org>
 * Copyright (C) 2015-2017 Nick Mainsbridge <mainsbridge@gmail.com>
 *
 * 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.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#ifndef __ardour_midi_time_axis_h__
#define __ardour_midi_time_axis_h__

#include <list>

#include <gtkmm/table.h>
#include <gtkmm/button.h>
#include <gtkmm/box.h>
#include <gtkmm/menu.h>
#include <gtkmm/menuitem.h>
#include <gtkmm/radiomenuitem.h>
#include <gtkmm/checkmenuitem.h>

#include "ardour/types.h"
#include "ardour/region.h"

#include "widgets/ardour_dropdown.h"

#include "ardour_dialog.h"
#include "route_ui.h"
#include "enums.h"
#include "route_time_axis.h"
#include "midi_streamview.h"

namespace MIDI {
namespace Name {
class MasterDeviceNames;
class CustomDeviceMode;
struct PatchPrimaryKey;
}
}

namespace ARDOUR {
	class Session;
	class RouteGroup;
	class Processor;
	class Location;
	class MidiPlaylist;
}

namespace Evoral {
	template<typename Time> class Note;
}

class PublicEditor;
class MidiStreamView;
class PianoRollHeader;
class StepEntry;
class StepEditor;
class MidiChannelSelectorWindow;

#define NO_MIDI_NOTE 0xff

class MidiTimeAxisView : public RouteTimeAxisView
{
public:
	MidiTimeAxisView (PublicEditor&, ARDOUR::Session*, ArdourCanvas::Canvas& canvas);
	virtual ~MidiTimeAxisView ();

	void set_route (std::shared_ptr<ARDOUR::Route>);

	MidiStreamView* midi_view();

	void set_height (uint32_t, TrackHeightMode m = OnlySelf, bool from_idle = false);
	void set_layer_display (LayerDisplay d);

	std::shared_ptr<ARDOUR::MidiRegion> add_region (Temporal::timepos_t const &, Temporal::timecnt_t const &, bool);

	void show_all_automation (bool apply_to_selection = false);
	void show_existing_automation (bool apply_to_selection = false);
	void create_automation_child (const Evoral::Parameter& param, bool show);

	void get_regions_with_selected_data (RegionSelection&);

	bool paste (Temporal::timepos_t const &, const Selection&, PasteContext& ctx);

	ARDOUR::NoteMode  note_mode() const { return _note_mode; }
	ARDOUR::ColorMode color_mode() const { return _color_mode; }

	Gtk::CheckMenuItem* automation_child_menu_item (Evoral::Parameter);

	StepEditor* step_editor() { return _step_editor; }
	void check_step_edit ();

	void first_idle ();
	void set_note_highlight (uint8_t note);

	uint8_t get_preferred_midi_channel () const;

	void get_per_region_note_selection (std::list<std::pair<PBD::ID, std::set<std::shared_ptr<Evoral::Note<Temporal::Beats> > > > >&);
	void use_midnam_info ();

	void set_visibility_note_range (MidiStreamView::VisibleNoteRange range, bool apply_to_selection = false);

protected:
	void start_step_editing ();
	void stop_step_editing ();
	void processors_changed (ARDOUR::RouteProcessorChange);

private:
	void _midnam_channel_changed();

	sigc::signal<void, std::string, std::string>  _midi_patch_settings_changed;

	void setup_midnam_patches ();

	sigc::connection _note_range_changed_connection;

	void maybe_trigger_model_change ();
	void model_changed(const std::string& model);
	void custom_device_mode_changed(const std::string& mode);

	void append_extra_display_menu_items ();
	void build_automation_action_menu (bool);
	Gtk::Menu* build_note_mode_menu();
	Gtk::Menu* build_color_mode_menu();

	void set_note_mode (ARDOUR::NoteMode mode, bool apply_to_selection = false);
	void set_color_mode (ARDOUR::ColorMode, bool force = false, bool redisplay = true, bool apply_to_selection = false);
	void route_active_changed ();
	void note_range_changed ();
	void parameter_changed (std::string const &);

	void update_scroomer_visbility (uint32_t, LayerDisplay);

	void update_control_names ();
	void update_midi_controls_visibility (uint32_t);

	bool                          _ignore_signals;
	bool                          _asked_all_automation;
	std::string                   _effective_model;
	std::string                   _effective_mode;
	PianoRollHeader*              _piano_roll_header;
	ARDOUR::NoteMode              _note_mode;
	Gtk::RadioMenuItem*           _note_mode_item;
	Gtk::RadioMenuItem*           _percussion_mode_item;
	ARDOUR::ColorMode             _color_mode;
	Gtk::RadioMenuItem*           _meter_color_mode_item;
	Gtk::RadioMenuItem*           _channel_color_mode_item;
	Gtk::RadioMenuItem*           _track_color_mode_item;
	Gtk::VBox                     _midi_controls_box;
	MidiChannelSelectorWindow*    _channel_selector;
	ArdourWidgets::ArdourDropdown _midnam_model_selector;
	ArdourWidgets::ArdourDropdown _midnam_custom_device_mode_selector;
	ArdourWidgets::ArdourDropdown _midnam_channel_selector;

	Gtk::CheckMenuItem*          _step_edit_item;
	Gtk::Menu*                    default_channel_menu;

	void change_all_channel_tracks_visibility (bool yn, Evoral::Parameter param);
	void add_basic_parameter_menu_item (Gtk::Menu_Helpers::MenuList& items, const std::string& label, Evoral::Parameter param);
	void add_channel_command_menu_item (Gtk::Menu_Helpers::MenuList& items, const std::string& label, ARDOUR::AutomationType auto_type, uint8_t cmd);

	Gtk::Menu* controller_menu;

	void add_single_channel_controller_item (Gtk::Menu_Helpers::MenuList& ctl_items, int ctl, const std::string& name);
	void add_multi_channel_controller_item (Gtk::Menu_Helpers::MenuList& ctl_items, uint16_t channels, int ctl, const std::string& name);
	void build_controller_menu ();
	void toggle_restore_pgm_on_load ();
	void toggle_channel_selector ();
	void channel_selector_hidden ();
	void set_channel_mode (ARDOUR::ChannelMode, uint16_t);

	void set_note_selection (uint8_t note);
	void add_note_selection (uint8_t note);
	void extend_note_selection (uint8_t note);
	void toggle_note_selection (uint8_t note);
	void set_note_selection_region_view (RegionView* rv, uint8_t note, uint16_t chn_mask);
	void add_note_selection_region_view (RegionView* rv, uint8_t note, uint16_t chn_mask);
	void extend_note_selection_region_view (RegionView*, uint8_t note, uint16_t chn_mask);
	void toggle_note_selection_region_view (RegionView*, uint8_t note, uint16_t chn_mask);
	void get_per_region_note_selection_region_view (RegionView*, std::list<std::pair<PBD::ID, std::set<std::shared_ptr<Evoral::Note<Temporal::Beats> > > > >&);

	void ensure_step_editor ();

	/** parameter -> menu item map for the channel command items */
	ParameterMenuMap _channel_command_menu_map;
	/** parameter -> menu item map for the controller menu */
	ParameterMenuMap _controller_menu_map;

	StepEditor* _step_editor;

	std::shared_ptr<AutomationTimeAxisView> velocity_track;
	Gtk::CheckMenuItem* velocity_menu_item;
	void create_velocity_automation_child (Evoral::Parameter const &, bool show);

	void update_patch_selector ();
	void mouse_mode_changed ();
	PBD::ScopedConnection mouse_mode_connection;
};

#endif /* __ardour_midi_time_axis_h__ */