/*
    Copyright (C) 2010 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 __gtk2_ardour_step_entry_h__
#define __gtk2_ardour_step_entry_h__

#include <gtkmm/togglebutton.h>
#include <gtkmm/radiobutton.h>
#include <gtkmm/spinbutton.h>
#include <gtkmm/box.h>
#include <gtkmm/adjustment.h>
#include <gtkmm2ext/bindings.h>

#include "ardour_window.h"
#include "gtk_pianokeyboard.h"

class StepEditor;

class StepEntry : public ArdourWindow
{
public:
	StepEntry (StepEditor&);
	~StepEntry ();

	void note_off_event_handler (int note);
	void rest_event_handler ();

	Evoral::Beats note_length();
	uint8_t note_velocity() const;
	uint8_t note_channel() const;

	int current_octave () const { return (int) floor (octave_adjustment.get_value()); }

private:
	Evoral::Beats _current_note_length;
	uint8_t _current_note_velocity;

	Gtk::VBox packer;
	Gtk::HBox upper_box;
	Gtk::HBox note_length_box;
	Gtk::HBox note_velocity_box;

	Gtk::ToggleButton chord_button;
	Gtk::ToggleButton triplet_button;
	Gtk::ToggleButton dot0_button;
	Gtk::ToggleButton dot1_button;
	Gtk::ToggleButton dot2_button;
	Gtk::ToggleButton dot3_button;
	Gtk::Adjustment   dot_adjustment;
	Gtk::VBox dot_box1;
	Gtk::VBox dot_box2;
	Gtk::ToggleButton restart_button;

	Gtk::VBox   resync_box;
	Gtk::Button beat_resync_button;
	Gtk::Button bar_resync_button;
	Gtk::Button resync_button;

	Gtk::Button sustain_button;
	Gtk::Button rest_button;
	Gtk::Button grid_rest_button;
	Gtk::VBox   rest_box;

	Gtk::Button back_button;

	Gtk::RadioButton length_1_button;
	Gtk::RadioButton length_2_button;
	Gtk::RadioButton length_4_button;
	Gtk::RadioButton length_8_button;
	Gtk::RadioButton length_12_button;
	Gtk::RadioButton length_16_button;
	Gtk::RadioButton length_32_button;
	Gtk::RadioButton length_64_button;

	Gtk::RadioButton velocity_ppp_button;
	Gtk::RadioButton velocity_pp_button;
	Gtk::RadioButton velocity_p_button;
	Gtk::RadioButton velocity_mp_button;
	Gtk::RadioButton velocity_mf_button;
	Gtk::RadioButton velocity_f_button;
	Gtk::RadioButton velocity_ff_button;
	Gtk::RadioButton velocity_fff_button;

	Gtk::Adjustment channel_adjustment;
	Gtk::SpinButton channel_spinner;

	Gtk::Adjustment octave_adjustment;
	Gtk::SpinButton octave_spinner;

	Gtk::Adjustment length_divisor_adjustment;
	Gtk::SpinButton length_divisor_spinner;

	Gtk::Adjustment velocity_adjustment;
	Gtk::SpinButton velocity_spinner;

	Gtk::Adjustment bank_adjustment;
	Gtk::SpinButton bank_spinner;
	Gtk::Button     bank_button;

	Gtk::Adjustment program_adjustment;
	Gtk::SpinButton program_spinner;
	Gtk::Button     program_button;

	void length_changed ();
	void velocity_changed ();
	void velocity_value_change ();
	void length_value_change ();

	PianoKeyboard* _piano;
	Gtk::Widget* piano;
	StepEditor*   se;

	void bank_click ();
	void program_click ();
	void beat_resync_click ();
	void bar_resync_click ();

	bool piano_enter_notify_event (GdkEventCrossing *ev);
	bool on_key_release_event (GdkEventKey*);
	bool on_key_press_event (GdkEventKey*);

	void on_show ();

	/* actions */

	void register_actions ();

	void insert_note (uint8_t);
	void insert_rest ();
	void insert_grid_rest ();

	void insert_a ();
	void insert_asharp ();
	void insert_b ();
	void insert_c ();
	void insert_csharp ();
	void insert_d ();
	void insert_dsharp ();
	void insert_e ();
	void insert_f ();
	void insert_fsharp ();
	void insert_g ();
	void insert_gsharp ();

	void note_length_change (GtkAction*);
	void note_velocity_change (GtkAction*);

	bool radio_button_press (GdkEventButton*);
	bool radio_button_release (GdkEventButton*, Gtk::RadioButton*, int);

	void load_bindings ();
	Gtkmm2ext::ActionMap myactions;
	Gtkmm2ext::Bindings*  bindings;

	void inc_note_velocity ();
	void dec_note_velocity ();
	void next_note_velocity ();
	void prev_note_velocity ();

	void inc_note_length ();
	void dec_note_length ();
	void next_note_length ();
	void prev_note_length ();

	void next_octave ();
	void prev_octave ();

	void octave_n (int n);
	void octave_0 () { octave_n (0); }
	void octave_1 () { octave_n (1); }
	void octave_2 () { octave_n (2); }
	void octave_3 () { octave_n (3); }
	void octave_4 () { octave_n (4); }
	void octave_5 () { octave_n (5); }
	void octave_6 () { octave_n (6); }
	void octave_7 () { octave_n (7); }
	void octave_8 () { octave_n (8); }
	void octave_9 () { octave_n (9); }
	void octave_10 () { octave_n (10); }

	void dot_change (GtkAction*);
	void dot_value_change ();

	void toggle_triplet();
	void toggle_chord();

	void do_sustain ();
	void back();
	void sync_to_edit_point ();
};

#endif /* __gtk2_ardour_step_entry_h__ */