1 files changed, 67 insertions, 0 deletions
diff --git a/src/gui/EdgeView.cpp b/src/gui/EdgeView.cpp
new file mode 100644
index 0000000..e681f26
--- /dev/null
+++ b/src/gui/EdgeView.cpp
@@ -0,0 +1,67 @@
+/* This file is part of Machina.
+ * Copyright (C) 2007 Dave Robillard <http://drobilla.net>
+ * 
+ * Machina is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 2 of the License, or (at your option) any later
+ * version.
+ * 
+ * Machina is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for details.
+ * 
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+ */
+
+#include <iomanip>
+#include <sstream>
+#include <flowcanvas/FlowCanvas.h>
+#include <machina/Edge.hpp>
+#include "EdgeView.hpp"
+#include "NodeView.hpp"
+
+using namespace LibFlowCanvas;
+
+EdgeView::EdgeView(SharedPtr<FlowCanvas>    canvas,
+                   SharedPtr<NodeView>      src,
+                   SharedPtr<NodeView>      dst,
+                   SharedPtr<Machina::Edge> edge)
+	: LibFlowCanvas::Connection(canvas, src, dst, 0x9999AAff, true)
+	, _edge(edge)
+{
+	update_label();
+}
+
+
+void
+EdgeView::update_label()
+{
+	std::ostringstream label;
+	label << std::setw(4);
+	label << _edge->probability();
+	set_label(label.str());
+}
+
+
+bool
+EdgeView::on_event(GdkEvent* ev)
+{
+	using namespace std;
+
+	if (ev->type == GDK_BUTTON_PRESS) {
+		if (ev->button.button == 1) {
+			_edge->set_probability(_edge->probability() - 0.1);
+			update_label();
+			return true;
+		} else if (ev->button.button == 3) {
+			_edge->set_probability(_edge->probability() + 0.1);
+			update_label();
+			return true;
+		}
+	}
+
+	cerr << "NO BUTTON\n";
+	return false;
+}