1 files changed, 49 insertions, 0 deletions
diff --git a/gtk2_ardour/midi_channel_selector.h b/gtk2_ardour/midi_channel_selector.h
new file mode 100644
index 0000000000..5060087ea6
--- /dev/null
+++ b/gtk2_ardour/midi_channel_selector.h
@@ -0,0 +1,49 @@
+#ifndef __ardour_ui_midi_channel_selector_h__
+#define __ardour_ui_midi_channel_selector_h__
+
+#include "gtkmm/table.h"
+#include "sigc++/trackable.h"
+#include "gtkmm/togglebutton.h"
+#include "gtkmm/label.h"
+#include <set>
+
+class MidiChannelSelector : public Gtk::Table
+{
+public:
+	MidiChannelSelector();
+	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];
+};
+
+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 *_active_button;
+	uint8_t _active_channel;
+};
+
+class MidiMultipleChannelSelector : public MidiChannelSelector
+{
+public:
+	const std::set<uint8_t>& get_selected_channels() const { return _selected_channels; }
+
+protected:
+	virtual void button_toggled(Gtk::ToggleButton *button, uint8_t button_nr);
+	
+	std::set<uint8_t> _selected_channels;
+};
+
+#endif /*__ardour_ui_midi_channel_selector_h__*/