1 files changed, 109 insertions, 109 deletions
diff --git a/Swift/QtUI/Trellis/QtDNDTabBar.cpp b/Swift/QtUI/Trellis/QtDNDTabBar.cpp
index dbe397b..fac2233 100644
--- a/Swift/QtUI/Trellis/QtDNDTabBar.cpp
+++ b/Swift/QtUI/Trellis/QtDNDTabBar.cpp
@@ -18,12 +18,12 @@
 namespace Swift {
 
 QtDNDTabBar::QtDNDTabBar(QWidget* parent) : QTabBar(parent) {
-	setAcceptDrops(true);
+    setAcceptDrops(true);
 
-	// detect the default tab bar height;
-	insertTab(0, "");
-	defaultTabHeight = QTabBar::sizeHint().height();
-	removeTab(0);
+    // detect the default tab bar height;
+    insertTab(0, "");
+    defaultTabHeight = QTabBar::sizeHint().height();
+    removeTab(0);
 }
 
 QtDNDTabBar::~QtDNDTabBar() {
@@ -31,136 +31,136 @@ QtDNDTabBar::~QtDNDTabBar() {
 }
 
 int QtDNDTabBar::getDragIndex() const {
-	return dragIndex;
+    return dragIndex;
 }
 
 QString QtDNDTabBar::getDragText() const {
-	return dragText;
+    return dragText;
 }
 
 QWidget* QtDNDTabBar::getDragWidget() const {
-	return dragWidget;
+    return dragWidget;
 }
 
 QSize QtDNDTabBar::sizeHint() const {
-	QSize hint = QTabBar::sizeHint();
-	if (hint.isEmpty()) {
-		hint = QSize(parentWidget()->width(), defaultTabHeight);
-	}
-	return hint;
+    QSize hint = QTabBar::sizeHint();
+    if (hint.isEmpty()) {
+        hint = QSize(parentWidget()->width(), defaultTabHeight);
+    }
+    return hint;
 }
 
 QSize QtDNDTabBar::tabSizeHint(int index) const {
-	QSize tabSize = QTabBar::tabSizeHint(index);
+    QSize tabSize = QTabBar::tabSizeHint(index);
 #if defined(Q_OS_MAC)
-	// With multiple tabs having the same label in a QTabBar, the size hint computed by
-	// Qt on OS X is too small and it is elided even though there is enough horizontal
-	// space available. We work around this issue by adding the width of a letter to the
-	// size hint.
-	tabSize += QSize(QFontMetrics(font()).width("I"), 0);
+    // With multiple tabs having the same label in a QTabBar, the size hint computed by
+    // Qt on OS X is too small and it is elided even though there is enough horizontal
+    // space available. We work around this issue by adding the width of a letter to the
+    // size hint.
+    tabSize += QSize(QFontMetrics(font()).width("I"), 0);
 #endif
-	return tabSize;
+    return tabSize;
 }
 
 void QtDNDTabBar::dragEnterEvent(QDragEnterEvent* dragEnterEvent) {
-	QtDNDTabBar* sourceTabBar = dynamic_cast<QtDNDTabBar*>(dragEnterEvent->source());
-	if (sourceTabBar) {
-		dragEnterEvent->acceptProposedAction();
-	}
+    QtDNDTabBar* sourceTabBar = dynamic_cast<QtDNDTabBar*>(dragEnterEvent->source());
+    if (sourceTabBar) {
+        dragEnterEvent->acceptProposedAction();
+    }
 }
 
 void QtDNDTabBar::dropEvent(QDropEvent* dropEvent) {
-	QtDNDTabBar* sourceTabBar = dynamic_cast<QtDNDTabBar*>(dropEvent->source());
-	if (sourceTabBar && dropEvent->mimeData() && dropEvent->mimeData()->data("action") == QByteArray("application/tab-detach")) {
-		QtDNDTabBar* source = dynamic_cast<QtDNDTabBar*>(dropEvent->source());
-
-		int targetTabIndex = tabAt(dropEvent->pos());
-		QRect rect = tabRect(targetTabIndex);
-		if (targetTabIndex >= 0 && (dropEvent->pos().x() - rect.left() - rect.width()/2 > 0)) {
-			targetTabIndex++;
-		}
-
-		QWidget* tab = source->getDragWidget();
-		assert(tab);
-		QTabWidget* targetTabWidget = dynamic_cast<QTabWidget*>(parentWidget());
-
-		QString tabText = source->getDragText();
-
-		/*
-		 * When you add a widget to an empty QTabWidget, it's automatically made the current widget.
-		 * Making the widget the current widget, widget->show() is called for the widget. Directly reacting
-		 * to that event, and adding the widget again to the QTabWidget results in undefined behavior. For
-		 * example the tab label is shown but the widget is neither has the old nor in the new QTabWidget as
-		 * parent. Blocking signals on the QWidget to be added to a QTabWidget prevents this behavior.
-		 */
-		targetTabWidget->setUpdatesEnabled(false);
-		tab->blockSignals(true);
-		targetTabWidget->insertTab(targetTabIndex, tab, tabText);
-		dropEvent->acceptProposedAction();
-		tab->blockSignals(false);
-		targetTabWidget->setUpdatesEnabled(true);
-		onDropSucceeded();
-	}
+    QtDNDTabBar* sourceTabBar = dynamic_cast<QtDNDTabBar*>(dropEvent->source());
+    if (sourceTabBar && dropEvent->mimeData() && dropEvent->mimeData()->data("action") == QByteArray("application/tab-detach")) {
+        QtDNDTabBar* source = dynamic_cast<QtDNDTabBar*>(dropEvent->source());
+
+        int targetTabIndex = tabAt(dropEvent->pos());
+        QRect rect = tabRect(targetTabIndex);
+        if (targetTabIndex >= 0 && (dropEvent->pos().x() - rect.left() - rect.width()/2 > 0)) {
+            targetTabIndex++;
+        }
+
+        QWidget* tab = source->getDragWidget();
+        assert(tab);
+        QTabWidget* targetTabWidget = dynamic_cast<QTabWidget*>(parentWidget());
+
+        QString tabText = source->getDragText();
+
+        /*
+         * When you add a widget to an empty QTabWidget, it's automatically made the current widget.
+         * Making the widget the current widget, widget->show() is called for the widget. Directly reacting
+         * to that event, and adding the widget again to the QTabWidget results in undefined behavior. For
+         * example the tab label is shown but the widget is neither has the old nor in the new QTabWidget as
+         * parent. Blocking signals on the QWidget to be added to a QTabWidget prevents this behavior.
+         */
+        targetTabWidget->setUpdatesEnabled(false);
+        tab->blockSignals(true);
+        targetTabWidget->insertTab(targetTabIndex, tab, tabText);
+        dropEvent->acceptProposedAction();
+        tab->blockSignals(false);
+        targetTabWidget->setUpdatesEnabled(true);
+        onDropSucceeded();
+    }
 }
 
 bool QtDNDTabBar::event(QEvent* event) {
-	QMouseEvent* mouseEvent = dynamic_cast<QMouseEvent*>(event);
-	if (mouseEvent) {
-		QWidget* childAtPoint = window()->childAt(mapTo(window(), mouseEvent->pos()));
-		QtDNDTabBar* underMouse = dynamic_cast<QtDNDTabBar*>(childAtPoint);
-		if (!underMouse && childAtPoint) {
-			underMouse = dynamic_cast<QtDNDTabBar*>(childAtPoint->parent());
-		}
-		if (!underMouse && currentIndex() >= 0) {
-			// detach and drag
-
-			// stop move event
-			QMouseEvent* finishMoveEvent = new QMouseEvent (QEvent::MouseMove, mouseEvent->pos (), Qt::NoButton, Qt::NoButton, Qt::NoModifier);
-			QTabBar::event(finishMoveEvent);
-			delete finishMoveEvent;
-			finishMoveEvent = NULL;
-
-			// start drag
-			QDrag* drag = new QDrag(this);
-			QMimeData* mimeData = new QMimeData;
-
-			// distinguish tab-reordering drops from other ones
-			mimeData->setData("action", "application/tab-detach") ;
-			drag->setMimeData(mimeData);
-
-			// set drag image
-			QRect rect = tabRect( currentIndex() );
+    QMouseEvent* mouseEvent = dynamic_cast<QMouseEvent*>(event);
+    if (mouseEvent) {
+        QWidget* childAtPoint = window()->childAt(mapTo(window(), mouseEvent->pos()));
+        QtDNDTabBar* underMouse = dynamic_cast<QtDNDTabBar*>(childAtPoint);
+        if (!underMouse && childAtPoint) {
+            underMouse = dynamic_cast<QtDNDTabBar*>(childAtPoint->parent());
+        }
+        if (!underMouse && currentIndex() >= 0) {
+            // detach and drag
+
+            // stop move event
+            QMouseEvent* finishMoveEvent = new QMouseEvent (QEvent::MouseMove, mouseEvent->pos (), Qt::NoButton, Qt::NoButton, Qt::NoModifier);
+            QTabBar::event(finishMoveEvent);
+            delete finishMoveEvent;
+            finishMoveEvent = NULL;
+
+            // start drag
+            QDrag* drag = new QDrag(this);
+            QMimeData* mimeData = new QMimeData;
+
+            // distinguish tab-reordering drops from other ones
+            mimeData->setData("action", "application/tab-detach") ;
+            drag->setMimeData(mimeData);
+
+            // set drag image
+            QRect rect = tabRect( currentIndex() );
 #if QT_VERSION >= 0x050000
-			QPixmap pixmap = grab(rect);
+            QPixmap pixmap = grab(rect);
 #else
-			QPixmap pixmap = QPixmap::grabWidget(this, rect);
+            QPixmap pixmap = QPixmap::grabWidget(this, rect);
 #endif
-			QPixmap targetPixmap (pixmap.size ());
-			QPainter painter (&targetPixmap);
-			painter.setOpacity(0.9);
-			painter.drawPixmap(0,0, pixmap);
-			painter.end ();
-			drag->setPixmap (targetPixmap);
-
-			drag->setHotSpot(QPoint(drag->pixmap().width()/2, drag->pixmap().height()));
-
-			dragIndex = currentIndex();
-			dragText = tabText(dragIndex);
-			dragWidget = dynamic_cast<QTabWidget*>(parent())->widget(dragIndex);
-			assert(dragWidget);
-			dynamic_cast<QTabWidget*>(parent())->removeTab(currentIndex());
-			Qt::DropAction dropAction = drag->exec();
-			if (dropAction == Qt::IgnoreAction) {
-				// aborted drag, put tab back in place
-				// disable event handling during the insert for the tab to prevent infinite recursion (stack overflow)
-				dragWidget->blockSignals(true);
-				dynamic_cast<QTabWidget*>(parent())->insertTab(dragIndex, dragWidget, dragText);
-				dragWidget->blockSignals(false);
-			}
-			return true;
-		}
-	}
-	return QTabBar::event(event);
+            QPixmap targetPixmap (pixmap.size ());
+            QPainter painter (&targetPixmap);
+            painter.setOpacity(0.9);
+            painter.drawPixmap(0,0, pixmap);
+            painter.end ();
+            drag->setPixmap (targetPixmap);
+
+            drag->setHotSpot(QPoint(drag->pixmap().width()/2, drag->pixmap().height()));
+
+            dragIndex = currentIndex();
+            dragText = tabText(dragIndex);
+            dragWidget = dynamic_cast<QTabWidget*>(parent())->widget(dragIndex);
+            assert(dragWidget);
+            dynamic_cast<QTabWidget*>(parent())->removeTab(currentIndex());
+            Qt::DropAction dropAction = drag->exec();
+            if (dropAction == Qt::IgnoreAction) {
+                // aborted drag, put tab back in place
+                // disable event handling during the insert for the tab to prevent infinite recursion (stack overflow)
+                dragWidget->blockSignals(true);
+                dynamic_cast<QTabWidget*>(parent())->insertTab(dragIndex, dragWidget, dragText);
+                dragWidget->blockSignals(false);
+            }
+            return true;
+        }
+    }
+    return QTabBar::event(event);
 }
 
 }