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 "boost/shared_ptr.hpp"
   5 #include "gtkmm/table.h"
   6 #include "sigc++/trackable.h"
   7 #include "gtkmm/button.h"
   8 #include "gtkmm/togglebutton.h"
   9 #include "gtkmm/label.h"
  10 #include <set>
  11
  12 class MidiChannelSelector : public Gtk::Table
  13 {
  14 public:
  15         MidiChannelSelector(int no_rows = 4, int no_columns = 4, int start_row = 0, int start_column = 0);
  16         virtual ~MidiChannelSelector() = 0;
  17
  18 protected:
  19         virtual void button_toggled(Gtk::ToggleButton *button, uint8_t button_nr) = 0;
  20         Gtk::Label        _button_labels[4][4];
  21         Gtk::ToggleButton _buttons[4][4];
  22 };
  23
  24 class SingleMidiChannelSelector : public MidiChannelSelector
  25 {
  26 public:
  27         SingleMidiChannelSelector(uint8_t active_channel = 0);
  28
  29         const uint8_t get_active_channel() const { return _active_channel; }
  30
  31         sigc::signal<void, uint8_t> channel_selected;
  32
  33 protected:
  34         virtual void button_toggled(Gtk::ToggleButton *button, uint8_t button_nr);
  35
  36         Gtk::ToggleButton *_active_button;
  37         uint8_t _active_channel;
  38 };
  39
  40 class MidiMultipleChannelSelector : public MidiChannelSelector
  41 {
  42 public:
  43         MidiMultipleChannelSelector(uint16_t initial_selection = 1);
  44
  45         const uint16_t get_selected_channels() const { return _selected_channels; }
  46
  47         sigc::signal<void, uint16_t> selection_changed;
  48
  49 protected:
  50         virtual void button_toggled(Gtk::ToggleButton *button, uint8_t button_nr);
  51
  52         void select_all(bool on);
  53         void invert_selection(void);
  54
  55         Gtk::Button            _select_all;
  56         Gtk::Button            _select_none;
  57         Gtk::Button            _invert_selection;
  58         Gtk::ToggleButton      _force_channel;
  59         uint16_t               _selected_channels;
  60 };
  61
  62 #endif /*__ardour_ui_midi_channel_selector_h__*/