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-rw-r--r--src/libs/gui/PortPropertiesWindow.cpp175
1 files changed, 175 insertions, 0 deletions
diff --git a/src/libs/gui/PortPropertiesWindow.cpp b/src/libs/gui/PortPropertiesWindow.cpp
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+++ b/src/libs/gui/PortPropertiesWindow.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 <string>
+#include "interface/EngineInterface.h"
+#include "client/NodeModel.h"
+#include "client/PluginModel.h"
+#include "App.h"
+#include "ControlGroups.h"
+#include "PortPropertiesWindow.h"
+
+using std::string;
+
+namespace Ingen {
+namespace GUI {
+
+
+PortPropertiesWindow::PortPropertiesWindow(BaseObjectType* cobject, const Glib::RefPtr<Gnome::Glade::Xml>& xml)
+ : Gtk::Dialog(cobject)
+ , _enable_signal(false)
+ , _control(NULL)
+{
+ xml->get_widget("port_properties_min_spinner", _min_spinner);
+ xml->get_widget("port_properties_max_spinner", _max_spinner);
+ xml->get_widget("port_properties_cancel_button", _cancel_button);
+ xml->get_widget("port_properties_ok_button", _ok_button);
+
+ _cancel_button->signal_clicked().connect(sigc::mem_fun(this,
+ &PortPropertiesWindow::cancel));
+
+ _ok_button->signal_clicked().connect(sigc::mem_fun(this,
+ &PortPropertiesWindow::ok));
+}
+
+
+/** Set the port this window is associated with.
+ * This function MUST be called before using this object in any way.
+ */
+void
+PortPropertiesWindow::init(ControlGroup* control, SharedPtr<PortModel> pm)
+{
+ assert(pm);
+ assert(control);
+
+ _port_model = pm;
+ _control = control;
+
+
+ set_title(pm->path() + " Properties");
+
+ // FIXME: code duplication w/ ControlGroups.cpp
+ float min = 0.0f;
+ float max = 1.0f;
+
+ const Atom& min_atom = pm->get_metadata("ingen:minimum");
+ const Atom& max_atom = pm->get_metadata("ingen_maximum");
+ if (min_atom.type() == Atom::FLOAT && max_atom.type() == Atom::FLOAT) {
+ min = min_atom.get_float();
+ max = max_atom.get_float();
+ }
+
+ const SharedPtr<NodeModel> parent = PtrCast<NodeModel>(pm->parent());
+
+ if (parent && parent->plugin() && parent->plugin()->type() == PluginModel::LV2) {
+ min = slv2_port_get_minimum_value(
+ parent->plugin()->slv2_plugin(),
+ slv2_plugin_get_port_by_symbol(parent->plugin()->slv2_plugin(),
+ pm->path().name().c_str()));
+ max = slv2_port_get_maximum_value(
+ parent->plugin()->slv2_plugin(),
+ slv2_plugin_get_port_by_symbol(parent->plugin()->slv2_plugin(),
+ pm->path().name().c_str()));
+ }
+
+ if (max <= min)
+ max = min + 1.0f;
+
+ _initial_min = min;
+ _initial_max = max;
+
+ _min_spinner->set_value(min);
+ _min_spinner->signal_value_changed().connect(sigc::mem_fun(*this, &PortPropertiesWindow::min_changed));
+ _max_spinner->set_value(max);
+ _max_spinner->signal_value_changed().connect(sigc::mem_fun(*this, &PortPropertiesWindow::max_changed));
+
+ pm->metadata_update_sig.connect(sigc::mem_fun(this, &PortPropertiesWindow::metadata_update));
+
+ _enable_signal = true;
+}
+
+
+void
+PortPropertiesWindow::metadata_update(const string& key, const Atom& value)
+{
+ _enable_signal = false;
+
+ if ( (key == "ingen:minimum") && value.type() == Atom::FLOAT)
+ _min_spinner->set_value(value.get_float());
+ else if ( (key == "ingen:maximum") && value.type() == Atom::FLOAT)
+ _max_spinner->set_value(value.get_float());
+
+ _enable_signal = true;
+}
+
+
+void
+PortPropertiesWindow::min_changed()
+{
+ float min = _min_spinner->get_value();
+ const float max = _max_spinner->get_value();
+
+ if (min >= max) {
+ min = max - 1.0;
+ _min_spinner->set_value(min);
+ }
+
+ _control->set_range(min, max);
+
+ if (_enable_signal)
+ App::instance().engine()->set_metadata(_port_model->path(), "ingen:minimum", min);
+}
+
+
+void
+PortPropertiesWindow::max_changed()
+{
+ const float min = _min_spinner->get_value();
+ float max = _max_spinner->get_value();
+
+ if (max <= min) {
+ max = min + 1.0;
+ _max_spinner->set_value(max);
+ }
+
+ _control->set_range(min, max);
+
+ if (_enable_signal)
+ App::instance().engine()->set_metadata(_port_model->path(), "ingen:maximum", max);
+}
+
+
+void
+PortPropertiesWindow::cancel()
+{
+ App::instance().engine()->set_metadata(_port_model->path(), "ingen:minimum", _initial_min);
+ App::instance().engine()->set_metadata(_port_model->path(), "ingen:maximum", _initial_max);
+ delete this;
+}
+
+
+void
+PortPropertiesWindow::ok()
+{
+ delete this;
+}
+
+
+} // namespace GUI
+} // namespace Ingen
+