tempo_dialog.h

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/*
    Copyright (C) 2000-2007 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_gtk_tempo_dialog_h__
#define __ardour_gtk_tempo_dialog_h__

#include <gtkmm/entry.h>
#include <gtkmm/frame.h>
#include <gtkmm/box.h>
#include <gtkmm/button.h>
#include <gtkmm/label.h>
#include <gtkmm/table.h>
#include <gtkmm/entry.h>
#include <gtkmm/spinbutton.h>
#include <gtkmm/comboboxtext.h>

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

#include "ardour_dialog.h"

class TempoDialog : public ArdourDialog
{
public:
        TempoDialog (ARDOUR::TempoMap&, framepos_t, const std::string & action);
        TempoDialog (ARDOUR::TempoSection&, const std::string & action);

        double get_bpm ();
        double get_note_type ();
        bool   get_bbt_time (Timecode::BBT_Time&);

private:
        void init (const Timecode::BBT_Time& start, double, double, bool);
        bool is_user_input_valid() const;
        void bpm_changed ();
        bool bpm_button_press (GdkEventButton* );
        bool bpm_button_release (GdkEventButton* );
        bool entry_key_release (GdkEventKey* );
        void pulse_change ();
        bool tap_tempo_button_press (GdkEventButton* );
        bool tap_tempo_focus_out (GdkEventFocus* );

        typedef std::map<std::string,float> NoteTypes;
        NoteTypes note_types;

        bool tapped;      // whether the tap-tempo button has been clicked
        gint64 last_tap;
        double average_interval;

        Gtk::ComboBoxText pulse_selector;
        Gtk::Adjustment   bpm_adjustment;
        Gtk::SpinButton   bpm_spinner;
        Gtk::Entry   when_bar_entry;
        Gtk::Entry   when_beat_entry;
        Gtk::Label   when_bar_label;
        Gtk::Label   when_beat_label;
        Gtk::Label   pulse_selector_label;
        Gtk::Button  tap_tempo_button;
};

class MeterDialog : public ArdourDialog
{
public:

        MeterDialog (ARDOUR::TempoMap&, framepos_t, const std::string & action);
        MeterDialog (ARDOUR::MeterSection&, const std::string & action);

        double get_bpb ();
        double get_note_type ();
        bool   get_bbt_time (Timecode::BBT_Time&);

private:
        void init (const Timecode::BBT_Time&, double, double, bool);
        bool is_user_input_valid() const;
        bool entry_key_press (GdkEventKey* );
        bool entry_key_release (GdkEventKey* );
        void note_type_change ();

        typedef std::map<std::string,float> NoteTypes;
        NoteTypes note_types;

        Gtk::Entry   bpb_entry;
        Gtk::ComboBoxText note_type;
        std::vector<std::string> strings;
        Gtk::Button  ok_button;
        Gtk::Button  cancel_button;
        Gtk::Entry   when_bar_entry;
};

#endif /* __ardour_gtk_tempo_dialog_h__ */