midi_channel_selector.h

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/*
 * Copyright (C) 2008-2011 David Robillard <d@drobilla.net>
 * Copyright (C) 2008-2012 Hans Baier <hansfbaier@googlemail.com>
 * Copyright (C) 2010-2013 Paul Davis <paul@linuxaudiosystems.com>
 * Copyright (C) 2011 Carl Hetherington <carl@carlh.net>
 * Copyright (C) 2017 Robin Gareus <robin@gareus.org>
 *
 * 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_ui_midi_channel_selector_h__
#define __ardour_ui_midi_channel_selector_h__
 
#include <set>
#include "sigc++/trackable.h"
 
#include "gtkmm/table.h"
#include "gtkmm/box.h"
#include "gtkmm/button.h"
#include "gtkmm/radiobutton.h"
#include "gtkmm/label.h"
 
#include "widgets/stateful_button.h"
 
#include "ardour/types.h"
 
#include "ardour_window.h"
 
namespace ARDOUR {
        class MidiTrack;
}
 
class MidiChannelSelector : public Gtk::Table
{
public:
        MidiChannelSelector(int n_rows = 4, int n_columns = 4, int start_row = 0, int start_column = 0);
        virtual ~MidiChannelSelector() = 0;
 
        sigc::signal<void> clicked;
 
        void set_channel_colors(const uint32_t new_channel_colors[16]);
        void set_default_channel_color();
 
protected:
        virtual void button_toggled(Gtk::ToggleButton* button, uint8_t button_nr) = 0;
        Gtk::Label                          _button_labels[4][4];
        ArdourWidgets::StatefulToggleButton _buttons[4][4];
        int                                 _recursion_counter;
 
        bool was_clicked (GdkEventButton*);
};
 
class SingleMidiChannelSelector : public MidiChannelSelector
{
public:
        SingleMidiChannelSelector(uint8_t active_channel = 0);
 
        uint8_t get_active_channel() const { return _active_channel; }
 
        sigc::signal<void, uint8_t> channel_selected;
 
protected:
        virtual void button_toggled(Gtk::ToggleButton* button, uint8_t button_nr);
 
        Gtk::ToggleButton* _last_active_button;
        uint8_t            _active_channel;
};
 
class MidiMultipleChannelSelector : public MidiChannelSelector
{
public:
        MidiMultipleChannelSelector(ARDOUR::ChannelMode mode = ARDOUR::FilterChannels,
                        uint16_t initial_selection = 0xFFFF);
 
        virtual ~MidiMultipleChannelSelector();
 
        sigc::signal<void, ARDOUR::ChannelMode, uint16_t> mode_changed;
 
        void set_channel_mode(ARDOUR::ChannelMode mode, uint16_t mask);
        ARDOUR::ChannelMode get_channel_mode () const { return _channel_mode; }
 
        uint16_t get_selected_channels() const;
        void     set_selected_channels(uint16_t selected_channels);
 
protected:
        ARDOUR::ChannelMode _channel_mode;
        ARDOUR::NoteMode    _note_mode;
 
        virtual void button_toggled(Gtk::ToggleButton* button, uint8_t button_nr);
        void force_channels_button_toggled();
 
        void select_all(bool on);
        void invert_selection(void);
 
        Gtk::Button       _select_all;
        Gtk::Button       _select_none;
        Gtk::Button       _invert_selection;
        Gtk::ToggleButton _force_channel;
};
 
class MidiChannelSelectorWindow : public ArdourWindow, public PBD::ScopedConnectionList
{
public:
        MidiChannelSelectorWindow (std::shared_ptr<ARDOUR::MidiTrack>);
        ~MidiChannelSelectorWindow ();
 
        void set_channel_colors (const uint32_t new_channel_colors[16]);
        void set_default_channel_color();
 
private:
        std::shared_ptr<ARDOUR::MidiTrack> track;
        std::vector<Gtk::ToggleButton*> playback_buttons;
        std::vector<Gtk::ToggleButton*> capture_buttons;
 
        std::vector<Gtk::Widget*> playback_mask_controls;
        std::vector<Gtk::Widget*> capture_mask_controls;
 
        Gtk::HBox         capture_mask_box;
        Gtk::HBox         playback_mask_box;
        Gtk::RadioButtonGroup playback_button_group;
        Gtk::RadioButton playback_all_button;
        Gtk::RadioButton playback_filter_button;
        Gtk::RadioButton playback_force_button;
        Gtk::RadioButtonGroup capture_button_group;
        Gtk::RadioButton capture_all_button;
        Gtk::RadioButton capture_filter_button;
        Gtk::RadioButton capture_force_button;
 
        ARDOUR::ChannelMode last_drawn_capture_mode;
        ARDOUR::ChannelMode last_drawn_playback_mode;
 
        void build();
        void set_capture_selected_channels (uint16_t);
        void set_playback_selected_channels (uint16_t);
 
        void fill_playback_mask ();
        void zero_playback_mask ();
        void invert_playback_mask ();
 
        void fill_capture_mask ();
        void zero_capture_mask ();
        void invert_capture_mask ();
 
        void playback_mask_changed ();
        void capture_mask_changed ();
        void playback_mode_changed ();
        void capture_mode_changed ();
 
        void playback_channel_clicked (uint16_t);
        void capture_channel_clicked (uint16_t);
 
        void playback_all_clicked();
        void playback_none_clicked();
        void playback_invert_clicked();
 
        void capture_all_clicked();
        void capture_none_clicked();
        void capture_invert_clicked();
 
        void capture_mode_toggled (ARDOUR::ChannelMode);
        void playback_mode_toggled (ARDOUR::ChannelMode);
};
 
#endif /*__ardour_ui_midi_channel_selector_h__*/