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#ifndef __ardour_ui_midi_channel_selector_h__
#define __ardour_ui_midi_channel_selector_h__
#include "boost/shared_ptr.hpp"
#include "gtkmm/table.h"
#include "sigc++/trackable.h"
#include "gtkmm/button.h"
#include "gtkmm/togglebutton.h"
#include "gtkmm/label.h"
#include <set>
class MidiChannelSelector : public Gtk::Table
{
public:
MidiChannelSelector(int no_rows = 4, int no_columns = 4, int start_row = 0, int start_column = 0);
virtual ~MidiChannelSelector() = 0;
protected:
virtual void button_toggled(Gtk::ToggleButton *button, uint8_t button_nr) = 0;
Gtk::Label _button_labels[4][4];
Gtk::ToggleButton _buttons[4][4];
int _recursion_counter;
};
class SingleMidiChannelSelector : public MidiChannelSelector
{
public:
SingleMidiChannelSelector(uint8_t active_channel = 0);
const 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(uint16_t initial_selection = 0xFFFF, int8_t force_channel = -1);
virtual ~MidiMultipleChannelSelector();
/**
* @return each bit in the returned word represents a midi channel, eg.
* bit 0 represents channel 0 and bit 15 represents channel 15
*
*/
const uint16_t get_selected_channels() const;
void set_selected_channels(uint16_t selected_channels);
sigc::signal<void, uint16_t> selection_changed;
sigc::signal<void, int8_t> force_channel_changed;
const int8_t get_force_channel() const;
void set_force_channel(int8_t force_channel);
protected:
enum Mode {
FILTERING_MULTIPLE_CHANNELS,
FORCING_SINGLE_CHANNEL
};
Mode _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__*/
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