* first working version of editing MIDI channels of individual notes, see: http://www.flickr.com/photos/24012642@N02/2412142661/

git-svn-id: svn://localhost/ardour2/branches/3.0@3252 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 65 insertions, 0 deletions

diff --git a/gtk2_ardour/midi_channel_selector.cc b/gtk2_ardour/midi_channel_selector.cc
new file mode 100644
index 0000000000..327b9d74ae
--- /dev/null
+++ b/gtk2_ardour/midi_channel_selector.cc
@@ -0,0 +1,65 @@
+#include "midi_channel_selector.h"
+#include <sstream>
+
+using namespace std;
+
+MidiChannelSelector::MidiChannelSelector() :
+	Gtk::Table(4,4,true)
+{
+	property_column_spacing() = 0;
+	property_row_spacing() = 0;
+	
+	uint8_t channel_nr = 0;
+	for(int row = 0; row < 4; ++row) {
+		for(int column = 0; column < 4; ++column) {
+			ostringstream channel;
+			channel << int(++channel_nr);
+			_button_labels[row][column].set_text(channel.str());
+			_button_labels[row][column].set_justify(Gtk::JUSTIFY_RIGHT);
+			_buttons[row][column].add(_button_labels[row][column]);
+			_buttons[row][column].signal_toggled().connect(
+				sigc::bind(
+					sigc::mem_fun(this, &MidiChannelSelector::button_toggled),
+					&_buttons[row][column],
+					channel_nr - 1));
+			attach(_buttons[row][column], column, column + 1, row, row + 1);
+		}
+	}
+}
+
+MidiChannelSelector::~MidiChannelSelector()
+{
+}
+
+SingleMidiChannelSelector::SingleMidiChannelSelector(uint8_t active_channel)
+	: MidiChannelSelector()
+{
+	_active_button = 0;
+	Gtk::ToggleButton *button = &_buttons[active_channel / 4][active_channel % 4];
+	button->set_active(true);
+	_active_button = button;
+	_active_channel = active_channel;
+}
+
+void
+SingleMidiChannelSelector::button_toggled(Gtk::ToggleButton *button, uint8_t channel)
+{
+	if(button->get_active()) {
+		if(_active_button) {
+			_active_button->set_active(false);
+		}
+		_active_button = button;
+		_active_channel = channel;
+		channel_selected.emit(channel);
+	} 
+}
+
+void
+MidiMultipleChannelSelector::button_toggled(Gtk::ToggleButton *button, uint8_t channel)
+{
+	if(button->get_active()) {
+		_selected_channels.insert(channel);
+	} else {
+		_selected_channels.erase(channel);
+	}
+}