1 files changed, 112 insertions, 0 deletions
diff --git a/muse2/muse/widgets/crescendo.cpp b/muse2/muse/widgets/crescendo.cpp
new file mode 100644
index 00000000..ef31c5ef
--- /dev/null
+++ b/muse2/muse/widgets/crescendo.cpp
@@ -0,0 +1,112 @@
+//=========================================================
+//  MusE
+//  Linux Music Editor
+//    $Id: crescendo.cpp,v 1.1.1.1 2011/05/05 18:51:04 flo93 Exp $
+//  (C) Copyright 2011 Florian Jung (flo93@sourceforge.net)
+//=========================================================
+
+#include <QButtonGroup>
+#include "crescendo.h"
+#include "xml.h"
+
+Crescendo::Crescendo(QWidget* parent)
+	: QDialog(parent)
+{
+	setupUi(this);
+	range_group = new QButtonGroup;
+	range_group->addButton(looped_events_button,2);
+	range_group->addButton(selected_looped_button,3);
+	
+	connect(absolute_button, SIGNAL(toggled(bool)), SLOT(absolute_changed(bool)));
+	
+	pull_values();
+}
+
+void Crescendo::pull_values()
+{
+	range = range_group->checkedId();
+	start_val = start_spinbox->value();
+	end_val = end_spinbox->value();
+	absolute = absolute_button->isChecked();
+}
+
+void Crescendo::accept()
+{
+	pull_values();
+	QDialog::accept();
+}
+
+int Crescendo::exec()
+{
+	if ((range < 2) || (range > 3)) range=3;
+	
+	range_group->button(range)->setChecked(true);
+	start_spinbox->setValue(start_val);
+	end_spinbox->setValue(end_val);
+	absolute_button->setChecked(absolute);
+	absolute_changed(absolute);
+	
+	return QDialog::exec();
+}
+
+void Crescendo::read_configuration(Xml& xml)
+{
+	for (;;)
+	{
+		Xml::Token token = xml.parse();
+		if (token == Xml::Error || token == Xml::End)
+			break;
+			
+		const QString& tag = xml.s1();
+		switch (token)
+		{
+			case Xml::TagStart:
+				if (tag == "range")
+					range=xml.parseInt();
+				else if (tag == "start")
+					start_val=xml.parseInt();
+				else if (tag == "end")
+					end_val=xml.parseInt();
+				else if (tag == "absolute")
+					absolute=xml.parseInt();
+				else
+					xml.unknown("Crescendo");
+				break;
+				
+			case Xml::TagEnd:
+				if (tag == "crescendo")
+					return;
+				
+			default:
+				break;
+		}
+	}
+}
+
+void Crescendo::write_configuration(int level, Xml& xml)
+{
+	xml.tag(level++, "crescendo");
+	xml.intTag(level, "range", range);
+	xml.intTag(level, "start", start_val);
+	xml.intTag(level, "end", end_val);
+	xml.intTag(level, "absolute", absolute);
+	xml.tag(level, "/crescendo");
+}
+
+void Crescendo::absolute_changed(bool val)
+{
+	if (val)
+	{
+		start_spinbox->setMaximum(127);
+		start_spinbox->setSuffix("");
+		end_spinbox->setMaximum(127);
+		end_spinbox->setSuffix("");
+	}
+	else
+	{
+		start_spinbox->setMaximum(12700);
+		start_spinbox->setSuffix(" %");
+		end_spinbox->setMaximum(12700);
+		end_spinbox->setSuffix(" %");
+	}
+}