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-rw-r--r--src/gui/Port.cpp151
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diff --git a/src/gui/Port.cpp b/src/gui/Port.cpp
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+++ b/src/gui/Port.cpp
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+/* This file is part of Ingen.
+ * Copyright (C) 2007 Dave Robillard <http://drobilla.net>
+ *
+ * Ingen 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.
+ *
+ * Ingen 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 St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <cassert>
+#include <iostream>
+#include "interface/EngineInterface.hpp"
+#include "flowcanvas/Module.hpp"
+#include "client/PatchModel.hpp"
+#include "client/PortModel.hpp"
+#include "Configuration.hpp"
+#include "App.hpp"
+#include "Port.hpp"
+#include "PortMenu.hpp"
+#include "GladeFactory.hpp"
+
+using namespace Ingen::Client;
+using namespace std;
+
+namespace Ingen {
+namespace GUI {
+
+
+/** @param flip Make an input port appear as an output port, and vice versa.
+ */
+Port::Port(
+ boost::shared_ptr<FlowCanvas::Module> module,
+ SharedPtr<PortModel> pm,
+ const string& name,
+ bool flip)
+ : FlowCanvas::Port(module, name,
+ flip ? (!pm->is_input()) : pm->is_input(),
+ App::instance().configuration()->get_port_color(pm.get()))
+ , _port_model(pm)
+ , _flipped(flip)
+{
+ assert(module);
+ assert(_port_model);
+
+ delete _menu;
+ _menu = NULL;
+
+ _port_model->signal_renamed.connect(sigc::mem_fun(this, &Port::renamed));
+
+ if (pm->type().is_control()) {
+ set_toggled(pm->is_toggle());
+ show_control();
+
+ float min = 0.0f, max = 1.0f;
+ boost::shared_ptr<NodeModel> parent = PtrCast<NodeModel>(_port_model->parent());
+ if (parent)
+ parent->port_value_range(_port_model, min, max);
+
+ set_control_min(min);
+ set_control_max(max);
+
+ pm->signal_variable.connect(sigc::mem_fun(this, &Port::variable_changed));
+ _port_model->signal_value_changed.connect(sigc::mem_fun(this, &Port::value_changed));
+ }
+
+ _port_model->signal_activity.connect(sigc::mem_fun(this, &Port::activity));
+
+ value_changed(_port_model->value());
+}
+
+
+Port::~Port()
+{
+ App::instance().activity_port_destroyed(this);
+}
+
+
+void
+Port::create_menu()
+{
+ PortMenu* menu = NULL;
+ Glib::RefPtr<Gnome::Glade::Xml> xml = GladeFactory::new_glade_reference();
+ xml->get_widget_derived("object_menu", menu);
+ menu->init(_port_model, _flipped);
+ set_menu(menu);
+}
+
+
+void
+Port::renamed()
+{
+ set_name(_port_model->path().name());
+ module().lock()->resize();
+}
+
+
+void
+Port::value_changed(const Atom& value)
+{
+ if (value.type() == Atom::FLOAT)
+ FlowCanvas::Port::set_control(value.get_float());
+ else
+ cerr << "WARNING: Unknown port value type " << (unsigned)value.type() << endl;
+}
+
+
+void
+Port::activity()
+{
+ App::instance().port_activity(this);
+}
+
+
+void
+Port::set_control(float value, bool signal)
+{
+ if (signal) {
+ if (_port_model->type() == DataType::CONTROL) {
+ App::instance().engine()->set_port_value(_port_model->path(), Atom(value));
+ } else if (_port_model->type() == DataType::EVENT) {
+ App::instance().engine()->set_port_value(_port_model->path(),
+ Atom("<http://example.org/ev#BangEvent>", 0, NULL));
+ }
+ }
+
+ FlowCanvas::Port::set_control(value);
+}
+
+
+void
+Port::variable_changed(const string& key, const Atom& value)
+{
+ if ( (key == "ingen:minimum") && value.type() == Atom::FLOAT)
+ set_control_min(value.get_float());
+ else if ( (key == "ingen:maximum") && value.type() == Atom::FLOAT)
+ set_control_max(value.get_float());
+ else if ( (key == "ingen:toggled") && value.type() == Atom::BOOL)
+ set_toggled(value.get_bool());
+}
+
+
+} // namespace GUI
+} // namespace Ingen