gtk2_ardour/midi_channel_selector.h

   1 #ifndef __ardour_ui_midi_channel_selector_h__
   2 #define __ardour_ui_midi_channel_selector_h__
   3
   4 #include "gtkmm/table.h"
   5 #include "sigc++/trackable.h"
   6 #include "gtkmm/togglebutton.h"
   7 #include "gtkmm/label.h"
   8 #include <set>
   9
  10 class MidiChannelSelector : public Gtk::Table
  11 {
  12 public:
  13         MidiChannelSelector();
  14         virtual ~MidiChannelSelector() = 0;
  15
  16 protected:
  17         virtual void button_toggled(Gtk::ToggleButton *button, uint8_t button_nr) = 0;
  18         Gtk::Label        _button_labels[4][4];
  19         Gtk::ToggleButton _buttons[4][4];
  20 };
  21
  22 class SingleMidiChannelSelector : public MidiChannelSelector
  23 {
  24 public:
  25         SingleMidiChannelSelector(uint8_t active_channel = 0);
  26
  27         const uint8_t get_active_channel() const { return _active_channel; }
  28
  29         sigc::signal<void, uint8_t> channel_selected;
  30
  31 protected:
  32         virtual void button_toggled(Gtk::ToggleButton *button, uint8_t button_nr);
  33
  34         Gtk::ToggleButton *_active_button;
  35         uint8_t _active_channel;
  36 };
  37
  38 class MidiMultipleChannelSelector : public MidiChannelSelector
  39 {
  40 public:
  41         const std::set<uint8_t>& get_selected_channels() const { return _selected_channels; }
  42
  43 protected:
  44         virtual void button_toggled(Gtk::ToggleButton *button, uint8_t button_nr);
  45
  46         std::set<uint8_t> _selected_channels;
  47 };
  48
  49 #endif /*__ardour_ui_midi_channel_selector_h__*/