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livetrax/gtk2_ardour/midi_channel_selector.h

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/*
Copyright (C) 2008 Paul Davis
Author: Hans Baier
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_ui_midi_channel_selector_h__
#define __ardour_ui_midi_channel_selector_h__
#include <set>
#include "boost/shared_ptr.hpp"
#include "sigc++/trackable.h"
#include "gtkmm/table.h"
#include "gtkmm/button.h"
#include "gtkmm/label.h"
#include "gtkmm2ext/stateful_button.h"
#include "ardour/types.h"
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];
Gtkmm2ext::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();
/** The channel mode or selected channel(s) has changed.
* First parameter is the new channel mode, second parameter is a bitmask
* of the currently selected channels.
*/
sigc::signal<void, ARDOUR::ChannelMode, uint16_t> mode_changed;
void set_channel_mode(ARDOUR::ChannelMode mode, uint16_t mask);
/**
* @return each bit in the returned word represents a midi channel, eg.
* bit 0 represents channel 0 and bit 15 represents channel 15
*
*/
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;
};
#endif /*__ardour_ui_midi_channel_selector_h__*/