ardour/gtk2_ardour/midi_time_axis.h

/*
    Copyright (C) 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.
*/

#ifndef __ardour_midi_time_axis_h__
#define __ardour_midi_time_axis_h__

#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 <gtkmm2ext/selector.h>
#include <list>

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

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

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

class PublicEditor;
class MidiStreamView;
class MidiScroomer;
class PianoRollHeader;
class StepEntry;

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

	MidiStreamView* midi_view();

	/* overridden from parent to store display state */
	guint32 show_at (double y, int& nth, Gtk::VBox *parent);
	void set_height (uint32_t);
	void hide ();

	boost::shared_ptr<ARDOUR::MidiRegion> add_region (ARDOUR::framepos_t pos);

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

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

	void update_range();

	sigc::signal<void, ARDOUR::ChannelMode, uint16_t>& signal_channel_mode_changed() {
		return _channel_selector.mode_changed;
	}

	sigc::signal<void, std::string, std::string>& signal_midi_patch_settings_changed() {
		return _midi_patch_settings_changed;
	}

	void check_step_edit ();
	void step_edit_rest (Evoral::MusicalTime beats);
        void step_edit_beat_sync ();
        void step_edit_bar_sync ();
        int  step_add_bank_change (uint8_t channel, uint8_t bank);
        int  step_add_program_change (uint8_t channel, uint8_t program);
        int  step_add_note (uint8_t channel, uint8_t pitch, uint8_t velocity, 
                            Evoral::MusicalTime beat_duration);
        void step_edit_sustain (Evoral::MusicalTime beats);
        bool step_edit_within_triplet () const;
        void step_edit_toggle_triplet ();
        bool step_edit_within_chord () const;
        void step_edit_toggle_chord ();
        void reset_step_edit_beat_pos ();
        void resync_step_edit_to_edit_point ();
        void move_step_edit_beat_pos (Evoral::MusicalTime beats);
        void set_step_edit_cursor_width (Evoral::MusicalTime beats);
        
	const MidiMultipleChannelSelector& channel_selector() { return _channel_selector; }

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

  protected:
	void start_step_editing ();
	void stop_step_editing ();

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

	void model_changed();
	void custom_device_mode_changed();

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

	void set_note_mode (ARDOUR::NoteMode mode);
	void set_color_mode(ARDOUR::ColorMode mode);
	void set_note_range(MidiStreamView::VisibleNoteRange range);

	void route_active_changed ();

	bool                         _ignore_signals;
	MidiScroomer*                _range_scroomer;
	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;
	MidiMultipleChannelSelector  _channel_selector;
	Gtk::ComboBoxText            _model_selector;
	Gtk::ComboBoxText            _custom_device_mode_selector;

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

	nframes64_t step_edit_insert_position;
	Evoral::MusicalTime step_edit_beat_pos;
	boost::shared_ptr<ARDOUR::MidiRegion> step_edit_region;
	MidiRegionView* step_edit_region_view;
        uint8_t _step_edit_triplet_countdown;
        bool    _step_edit_within_chord;
        Evoral::MusicalTime _step_edit_chord_duration;
        void region_removed (boost::weak_ptr<ARDOUR::Region>);
        void playlist_changed ();
        PBD::ScopedConnection step_edit_region_connection;

	Gtk::Menu* build_def_channel_menu();
	void set_default_channel (int);
	void toggle_midi_thru ();

	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 build_controller_menu ();
	void set_channel_mode (ARDOUR::ChannelMode, uint16_t);

	void add_note_selection (uint8_t note);
	void extend_note_selection (uint8_t note);
	void toggle_note_selection (uint8_t note);
	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);

	/** 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;

        StepEntry* step_editor;
        bool step_editor_hidden (GdkEventAny*);
        void step_editor_hide ();
        void resync_step_edit_position ();
        void prepare_step_edit_region ();
};

#endif /* __ardour_midi_time_axis_h__ */