diff options
Diffstat (limited to 'src/gui/EdgeView.cpp')
-rw-r--r-- | src/gui/EdgeView.cpp | 67 |
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; +} |