Implemented XML serialization and loading of docking state

Author: Uwe Kindler

.settings/language.settings.xml

@@ -2,7 +2,7 @@
 <project>
 	<configuration id="cdt.managedbuild.toolchain.gnu.mingw.base.1119687795" name="Default">
 		<extension point="org.eclipse.cdt.core.LanguageSettingsProvider">
-			<provider class="org.eclipse.cdt.managedbuilder.internal.language.settings.providers.GCCBuiltinSpecsDetectorMinGW" console="false" env-hash="-633788812842026300" id="org.eclipse.cdt.managedbuilder.core.GCCBuiltinSpecsDetectorMinGW" keep-relative-paths="false" name="CDT GCC Built-in Compiler Settings MinGW" parameter="${COMMAND} ${FLAGS} -E -P -v -dD -std=c++14 &quot;${INPUTS}&quot;" prefer-non-shared="true">
+			<provider class="org.eclipse.cdt.managedbuilder.internal.language.settings.providers.GCCBuiltinSpecsDetectorMinGW" console="false" env-hash="-1519829723851667984" id="org.eclipse.cdt.managedbuilder.core.GCCBuiltinSpecsDetectorMinGW" keep-relative-paths="false" name="CDT GCC Built-in Compiler Settings MinGW" parameter="${COMMAND} ${FLAGS} -E -P -v -dD -std=c++14 &quot;${INPUTS}&quot;" prefer-non-shared="true">
 				<language-scope id="org.eclipse.cdt.core.gcc"/>
 				<language-scope id="org.eclipse.cdt.core.g++"/>
 			</provider>

demo/mainwindow.cpp

@@ -105,7 +105,7 @@ void MainWindow::createContent()
 	DockWidget->setFeatures(DockWidget->features().setFlag(ads::CDockWidget::DockWidgetClosable, false));
 	m_DockManager->addDockWidget(ads::LeftDockWidgetArea, DockWidget);
 	m_DockManager->addDockWidget(ads::LeftDockWidgetArea, createLongTextLabelDockWidget(ViewMenu));
-	m_DockManager->addDockWidget(ads::BottomDockWidgetArea, createFileSystemTreeDockWidget(ViewMenu));
+	/*m_DockManager->addDockWidget(ads::BottomDockWidgetArea, createFileSystemTreeDockWidget(ViewMenu));
 	auto TopDockArea = m_DockManager->addDockWidget(ads::TopDockWidgetArea, createFileSystemTreeDockWidget(ViewMenu));
 	DockWidget = createCalendarDockWidget(ViewMenu);
 	DockWidget->setFeatures(DockWidget->features().setFlag(ads::CDockWidget::DockWidgetClosable, false));
@@ -116,7 +116,7 @@ void MainWindow::createContent()
 	m_DockManager->addDockWidget(ads::TopDockWidgetArea, createLongTextLabelDockWidget(ViewMenu), RighDockArea);
 	auto BottomDockArea = m_DockManager->addDockWidget(ads::BottomDockWidgetArea, createLongTextLabelDockWidget(ViewMenu), RighDockArea);
 	m_DockManager->addDockWidget(ads::RightDockWidgetArea, createLongTextLabelDockWidget(ViewMenu), RighDockArea);
-	m_DockManager->addDockWidget(ads::CenterDockWidgetArea, createLongTextLabelDockWidget(ViewMenu), BottomDockArea);
+	m_DockManager->addDockWidget(ads::CenterDockWidgetArea, createLongTextLabelDockWidget(ViewMenu), BottomDockArea);*/
 }
 
 

src/DockAreaWidget.cpp

@@ -39,6 +39,7 @@
 #include <QDebug>
 #include <QMenu>
 #include <QSplitter>
+#include <QXmlStreamWriter>
 
 
 #include "DockContainerWidget.h"
@@ -706,15 +707,18 @@ void CDockAreaWidget::updateDockArea()
 
 
 //============================================================================
-void CDockAreaWidget::saveState(QDataStream& stream) const
+void CDockAreaWidget::saveState(QXmlStreamWriter& s) const
 {
-	stream << d->ContentsLayout->count() << d->ContentsLayout->currentIndex();
+	s.writeStartElement("DockAreaWidget");
+	s.writeAttribute("Tabs", QString::number(d->ContentsLayout->count()));
+	s.writeAttribute("CurrentIndex", QString::number(d->ContentsLayout->currentIndex()));
 	qDebug() << "CDockAreaWidget::saveState TabCount: " << d->ContentsLayout->count()
 			<< " CurrentIndex: " << d->ContentsLayout->currentIndex();
 	for (int i = 0; i < d->ContentsLayout->count(); ++i)
 	{
-		dockWidget(i)->saveState(stream);
+		dockWidget(i)->saveState(s);
 	}
+	s.writeEndElement();
 }
 
 } // namespace ads

src/DockAreaWidget.h

@@ -32,6 +32,8 @@
 //============================================================================
 #include <QFrame>
 
+class QXmlStreamWriter;
+
 namespace ads
 {
 struct DockAreaWidgetPrivate;
@@ -164,7 +166,7 @@ private slots:
 	/**
 	 * Saves the state into the given stream
 	 */
-	void saveState(QDataStream& Stream) const;
+	void saveState(QXmlStreamWriter& Stream) const;
 
 public slots:
 	/**