1 files changed, 467 insertions, 0 deletions
diff --git a/src/gui/Controls.cpp b/src/gui/Controls.cpp
new file mode 100644
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--- /dev/null
+++ b/src/gui/Controls.cpp
@@ -0,0 +1,467 @@
+/* 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 CONFIG_H_PATH
+
+#include <cmath>
+#include <iostream>
+#include <algorithm>
+#include "interface/EngineInterface.hpp"
+#include "client/PluginModel.hpp"
+#include "client/NodeModel.hpp"
+#include "client/PortModel.hpp"
+#include "Controls.hpp"
+#include "ControlPanel.hpp"
+#include "PortPropertiesWindow.hpp"
+#include "GladeFactory.hpp"
+#include "App.hpp"
+
+using namespace std;
+using namespace Ingen::Client;
+
+namespace Ingen {
+namespace GUI {
+
+
+// ////////////////////// Control ///////////////////////////////// //
+
+Control::Control(BaseObjectType* cobject, const Glib::RefPtr<Gnome::Glade::Xml>& glade_xml)
+	: Gtk::VBox(cobject)
+	, _control_panel(NULL)
+	, _enable_signal(false)
+{
+	Glib::RefPtr<Gnome::Glade::Xml> menu_xml = GladeFactory::new_glade_reference("port_control_menu");
+	menu_xml->get_widget("port_control_menu", _menu);
+	menu_xml->get_widget("port_control_menu_properties", _menu_properties);
+	
+	_menu_properties->signal_activate().connect(
+		sigc::mem_fun(this, &SliderControl::menu_properties));
+}
+	
+
+Control::~Control()
+{
+	_enable_signal = false;
+	_control_connection.disconnect();
+	_port_model.reset();
+}
+
+
+void
+Control::init(ControlPanel* panel, SharedPtr<PortModel> pm)
+{
+	_control_panel = panel;
+	_port_model = pm,
+
+	assert(_port_model);
+	assert(panel);
+
+	_control_connection = pm->signal_value_changed.connect(sigc::mem_fun(this, &Control::set_value));
+}
+
+	
+void
+Control::menu_properties()
+{
+	Glib::RefPtr<Gnome::Glade::Xml> xml = GladeFactory::new_glade_reference();
+
+	PortPropertiesWindow* window;
+	xml->get_widget_derived("port_properties_win", window);
+	window->present(_port_model);
+}
+
+
+// ////////////////// SliderControl ////////////////////// //
+
+
+SliderControl::SliderControl(BaseObjectType* cobject, const Glib::RefPtr<Gnome::Glade::Xml>& xml)
+	: Control(cobject, xml)
+	, _enabled(true)
+{
+	xml->get_widget("control_strip_name_label", _name_label);
+	xml->get_widget("control_strip_slider", _slider);
+	xml->get_widget("control_strip_spinner", _value_spinner);
+}
+
+
+void
+SliderControl::init(ControlPanel* panel, SharedPtr<PortModel> pm)
+{
+	_enable_signal = false;
+	_enabled = true;
+
+	Control::init(panel, pm);
+
+	assert(_name_label);
+	assert(_slider);
+
+	set_name(pm->path().name());
+	
+	_slider->set_draw_value(false);
+
+	signal_button_press_event().connect(sigc::mem_fun(*this, &SliderControl::clicked));
+	_slider->signal_button_press_event().connect(sigc::mem_fun(*this, &SliderControl::clicked));
+
+	_slider->signal_event().connect(
+			sigc::mem_fun(*this, &SliderControl::slider_pressed));
+
+	_slider->signal_value_changed().connect(
+			sigc::mem_fun(*this, &SliderControl::update_value_from_slider));
+	
+	_value_spinner->signal_value_changed().connect(
+			sigc::mem_fun(*this, &SliderControl::update_value_from_spinner));
+
+	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);
+
+	if (pm->is_integer() || pm->is_toggle()) {
+		_slider->set_increments(1, 10);
+		_value_spinner->set_digits(0);
+	} else {
+		_slider->set_increments(0, 0);
+	}
+	
+	pm->signal_variable.connect(sigc::mem_fun(this, &SliderControl::port_variable_change));
+
+	_slider->set_range(std::min(min, pm->value().get_float()), std::max(max, pm->value().get_float()));
+	//_value_spinner->set_range(min, max);
+
+	set_value(pm->value());
+
+	_enable_signal = true;
+
+	show_all();
+}
+
+
+bool
+SliderControl::clicked(GdkEventButton* ev)
+{
+	if (ev->button == 3) {
+		_menu->popup(ev->button, ev->time);
+		return true;
+	} else {
+		return false;
+	}
+}
+
+
+void
+SliderControl::set_value(const Atom& atom)
+{
+	float val = atom.get_float();
+	
+	if (_port_model->is_integer())
+		val = lrintf(val);
+
+	_enable_signal = false;
+	if (_enabled) {
+		if (_slider->get_value() != val) {
+			const Gtk::Adjustment* range = _slider->get_adjustment();
+			const float lower = range->get_lower();
+			const float upper = range->get_upper();
+			if (val < lower || val > upper)
+				set_range(min(lower, val), max(lower, val));
+			_slider->set_value(val);
+		}
+		if (_value_spinner->get_value() != val)
+			_value_spinner->set_value(val);
+	}
+	_enable_signal = true;
+}
+
+	
+void
+SliderControl::port_variable_change(const string& key, const Atom& value)
+{
+	if ( (key == "ingen:minimum") && value.type() == Atom::FLOAT)
+		set_range(value.get_float(), _slider->get_adjustment()->get_upper());
+	else if ( (key == "ingen:maximum") && value.type() == Atom::FLOAT)
+		set_range(_slider->get_adjustment()->get_lower(), value.get_float());
+}
+
+
+void
+SliderControl::set_range(float min, float max)
+{
+	_slider->set_range(min, max);
+	//_value_spinner->set_range(min, max);
+}
+
+
+void
+SliderControl::set_name(const string& name)
+{
+	string name_label = "<span weight=\"bold\">";
+	name_label += name + "</span>";
+	_name_label->set_markup(name_label);
+}
+
+
+void
+SliderControl::enable()
+{
+	_slider->property_sensitive() = true;
+	//_min_spinner->property_sensitive() = true;
+	//_max_spinner->property_sensitive() = true;
+	_value_spinner->property_sensitive() = true;
+	_name_label->property_sensitive() = true;
+}
+
+
+void
+SliderControl::disable()
+{
+	_slider->property_sensitive() = false;
+	//_min_spinner->property_sensitive() = false;
+	//_max_spinner->property_sensitive() = false;
+	_value_spinner->property_sensitive() = false;
+	_name_label->property_sensitive() = false;
+}
+
+
+void
+SliderControl::update_value_from_slider()
+{
+	if (_enable_signal) {
+		float value = _slider->get_value();
+		bool change = true;
+			
+		_enable_signal = false;
+		
+		if (_port_model->is_integer()) {
+			value = lrintf(value);
+			if (value == lrintf(_port_model->value().get_float()))
+				change = false;
+		}
+		
+		if (change) {
+			_value_spinner->set_value(value);
+			_control_panel->value_changed(_port_model, value);
+		}
+		
+		_enable_signal = true;
+	}
+}
+
+
+void
+SliderControl::update_value_from_spinner()
+{
+	if (_enable_signal) {
+		_enable_signal = false;
+		const float value = _value_spinner->get_value();
+
+		set_value(value);
+
+		_control_panel->value_changed(_port_model, value);
+		
+		//m_port_model->value(value);
+		_enable_signal = true;
+	}
+}
+
+
+/** Callback for when slider is grabbed so we can ignore set_control
+ * events for this port (and avoid nasty feedback issues).
+ */
+bool
+SliderControl::slider_pressed(GdkEvent* ev)
+{
+	//cerr << "Pressed: " << ev->type << endl;
+	if (ev->type == GDK_BUTTON_PRESS) {
+		_enabled = false;
+		//GtkClientInterface::instance()->set_ignore_port(_port_model->path());
+	} else if (ev->type == GDK_BUTTON_RELEASE) {
+		_enabled = true;
+		//GtkClientInterface::instance()->clear_ignore_port();
+	}
+	
+	return false;
+}
+
+
+// ///////////// IntegerControl ////////////// //
+
+#if 0
+IntegerControl::IntegerControl(ControlPanel* panel, SharedPtr<PortModel> pm)
+: Control(panel, pm),
+  _enable_signal(false),
+  _alignment(0.5, 0.5, 0.0, 0.0),
+  _name_label(pm->path().name()),
+  _spinner(1.0, 0)
+{
+	set_name(pm->path().name());
+
+	_spinner.set_range(-99999, 99999);
+	_spinner.set_value(_port_model->value());
+	_spinner.signal_value_changed().connect(
+		sigc::mem_fun(*this, &IntegerControl::update_value));
+	_spinner.set_increments(1, 10);
+	
+	_alignment.add(_spinner);
+	pack_start(_name_label);
+	pack_start(_alignment);
+
+	_enable_signal = true;
+
+	show_all();
+}
+
+
+void
+IntegerControl::set_name(const string& name)
+{
+	string name_label = "<span weight=\"bold\">";
+	name_label += name + "</span>";
+	_name_label->set_markup(name_label);
+}
+
+
+void
+IntegerControl::set_value(float val)
+{
+	//cerr << "[IntegerControl] Setting value to " << val << endl;
+	_enable_signal = false;
+	_spinner.set_value(val);
+	_enable_signal = true;
+}
+
+
+void
+IntegerControl::enable()
+{
+	_spinner.property_sensitive() = true;
+	_name_label->property_sensitive() = true;
+}
+
+
+void
+IntegerControl::disable()
+{
+	_spinner.property_sensitive() = false;
+	_name_label->property_sensitive() = false;
+}
+
+
+void
+IntegerControl::update_value()
+{
+	if (_enable_signal) {
+		float value = _spinner.get_value();
+		_control_panel->value_changed(_port_model, value);
+		//m_port_model->value(value);
+	}
+}
+#endif
+
+
+// ///////////// ToggleControl ////////////// //
+
+
+ToggleControl::ToggleControl(BaseObjectType* cobject, const Glib::RefPtr<Gnome::Glade::Xml>& xml)
+	: Control(cobject, xml)
+{
+	xml->get_widget("toggle_control_name_label", _name_label);
+	xml->get_widget("toggle_control_check", _checkbutton);
+}
+
+	
+void
+ToggleControl::init(ControlPanel* panel, SharedPtr<PortModel> pm)
+{
+	_enable_signal = false;
+
+	Control::init(panel, pm);
+
+	assert(_name_label);
+	assert(_checkbutton);
+
+	set_name(pm->path().name());
+
+	_checkbutton->signal_toggled().connect(sigc::mem_fun(*this, &ToggleControl::toggled));
+	set_value(pm->value());
+
+	_enable_signal = true;
+	show_all();
+}
+
+
+void
+ToggleControl::set_name(const string& name)
+{
+	string name_label = "<span weight=\"bold\">";
+	name_label += name + "</span>";
+	_name_label->set_markup(name_label);
+}
+
+
+void
+ToggleControl::set_value(const Atom& val)
+{
+	bool enable = false;
+	switch (val.type()) {
+		case Atom::FLOAT:
+			enable = (val.get_float() != 0.0f);
+			break;
+		case Atom::INT:
+			enable = (val.get_int32() != 0);
+			break;
+		case Atom::BOOL:
+			enable = (val.get_bool());
+		default:
+			cerr << "Unsupported value type for toggle control" << endl;
+	}
+	
+	_enable_signal = false;
+	_checkbutton->set_active(enable);
+	_enable_signal = true;
+}
+
+
+void
+ToggleControl::enable()
+{
+	_checkbutton->property_sensitive() = true;
+	_name_label->property_sensitive() = true;
+}
+
+
+void
+ToggleControl::disable()
+{
+	_checkbutton->property_sensitive() = false;
+	_name_label->property_sensitive() = false;
+}
+
+
+void
+ToggleControl::toggled()
+{
+	if (_enable_signal) {
+		float value = _checkbutton->get_active() ? 1.0f : 0.0f;
+		_control_panel->value_changed(_port_model, value);
+		//m_port_model->value(value);
+	}
+}
+
+
+} // namespace GUI
+} // namespace Ingen