Added support for stylesheet styling of overlay cross icons, fixed problem when dragging a floating widget that was maximized, removed som std::cout debug output

src/DockAreaWidget.cpp

@@ -180,6 +180,7 @@ void DockAreaWidgetPrivate::createTabBar()
 	TabsMenuButton->setMaximumWidth(TabsMenuButton->iconSize().width());
 	TabsMenuButton->setMenu(new QMenu(TabsMenuButton));
 	TopLayout->addWidget(TabsMenuButton, 0);
+	TabsMenuButton->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
 	_this->connect(TabsMenuButton->menu(), SIGNAL(triggered(QAction*)),
 		SLOT(onTabsMenuActionTriggered(QAction*)));
 

src/DockContainerWidget.cpp

@@ -993,7 +993,6 @@ bool CDockContainerWidget::restoreState(QXmlStreamReader& s, bool Testing)
 
 		QByteArray GeometryString = s.readElementText(QXmlStreamReader::ErrorOnUnexpectedElement).toLocal8Bit();
 		QByteArray Geometry = QByteArray::fromHex(GeometryString);
-		std::cout << "Geometry: " << Geometry.toHex(' ').toStdString() << std::endl;
 		if (Geometry.isEmpty())
 		{
 			return false;

src/DockManager.cpp

@@ -312,7 +312,6 @@ QByteArray CDockManager::saveState(int version) const
 		s.writeEndElement();
     s.writeEndDocument();
 
-    std::cout << xmldata.toStdString() << std::endl;
     return xmldata;
 }
 
@@ -408,14 +407,12 @@ QStringList CDockManager::perspectiveNames() const
 //============================================================================
 void CDockManager::openPerspective(const QString& PerspectiveName)
 {
-	std::cout << "CDockManager::openPerspective " << PerspectiveName.toStdString() << std::endl;
 	const auto Iterator = d->Perspectives.find(PerspectiveName);
 	if (d->Perspectives.end() == Iterator)
 	{
 		return;
 	}
 
-	std::cout << "CDockManager::openPerspective - restoring state" << std::endl;
 	restoreState(Iterator.value());
 }
 

src/DockOverlay.cpp

@@ -33,160 +33,14 @@
 #include <QLabel>
 #include <QtGlobal>
 #include <QDebug>
+#include <QMap>
 
 #include "DockAreaWidget.h"
 
+#include <iostream>
+
 namespace ads
 {
-//============================================================================
-static QPixmap createDropIndicatorPixmap(const QPalette& pal, const QSizeF& size, DockWidgetArea DockWidgetArea,
-	CDockOverlay::eMode Mode)
-{
-	QColor borderColor = pal.color(QPalette::Active, QPalette::Highlight);
-	QColor backgroundColor = pal.color(QPalette::Active, QPalette::Base);
-
-	QPixmap pm(size.width(), size.height());
-	pm.fill(QColor(0, 0, 0, 0));
-
-	QPainter p(&pm);
-	QPen pen = p.pen();
-	QRectF ShadowRect(pm.rect());
-	QRectF baseRect;
-	baseRect.setSize(ShadowRect.size() * 0.7);
-	baseRect.moveCenter(ShadowRect.center());
-
-	// Fill
-	p.fillRect(ShadowRect, QColor(0, 0, 0, 64));
-
-	// Drop area rect.
-	p.save();
-	QRectF areaRect;
-	QLineF areaLine;
-	QRectF nonAreaRect;
-	switch (DockWidgetArea)
-	{
-		case TopDockWidgetArea:
-			areaRect = QRectF(baseRect.x(), baseRect.y(), baseRect.width(), baseRect.height() * .5f);
-			nonAreaRect = QRectF(baseRect.x(), ShadowRect.height() * .5f, baseRect.width(), baseRect.height() * .5f);
-			areaLine = QLineF(areaRect.bottomLeft(), areaRect.bottomRight());
-			break;
-		case RightDockWidgetArea:
-			areaRect = QRectF(ShadowRect.width() * .5f, baseRect.y(), baseRect.width() * .5f, baseRect.height());
-			nonAreaRect = QRectF(baseRect.x(), baseRect.y(), baseRect.width() * .5f, baseRect.height());
-			areaLine = QLineF(areaRect.topLeft(), areaRect.bottomLeft());
-			break;
-		case BottomDockWidgetArea:
-			areaRect = QRectF(baseRect.x(), ShadowRect.height() * .5f, baseRect.width(), baseRect.height() * .5f);
-			nonAreaRect = QRectF(baseRect.x(), baseRect.y(), baseRect.width(), baseRect.height() * .5f);
-			areaLine = QLineF(areaRect.topLeft(), areaRect.topRight());
-			break;
-		case LeftDockWidgetArea:
-			areaRect = QRectF(baseRect.x(), baseRect.y(), baseRect.width() * .5f, baseRect.height());
-			nonAreaRect = QRectF(ShadowRect.width() * .5f, baseRect.y(), baseRect.width() * .5f, baseRect.height());
-			areaLine = QLineF(areaRect.topRight(), areaRect.bottomRight());
-			break;
-		default:
-			break;
-	}
-
-	QSizeF baseSize = baseRect.size();
-	if (CDockOverlay::ModeContainerOverlay == Mode && DockWidgetArea != CenterDockWidgetArea)
-	{
-		baseRect = areaRect;
-	}
-
-	p.fillRect(baseRect, backgroundColor);
-	if (areaRect.isValid())
-	{
-		pen = p.pen();
-		pen.setColor(borderColor);
-		QColor Color = borderColor;
-		Color.setAlpha(64);
-		p.setBrush(Color);
-		p.setPen(Qt::NoPen);
-		p.drawRect(areaRect);
-
-		pen = p.pen();
-		pen.setColor(borderColor);
-		pen.setStyle(Qt::DashLine);
-		p.setPen(pen);
-		p.drawLine(areaLine);
-	}
-	p.restore();
-
-	p.save();
-	// Draw outer border
-	pen = p.pen();
-	pen.setColor(borderColor);
-	pen.setWidth(1);
-	p.setBrush(Qt::NoBrush);
-	p.setPen(pen);
-	p.drawRect(baseRect);
-
-	// draw window title bar
-	p.setBrush(borderColor);
-	QRectF FrameRect(baseRect.topLeft(), QSizeF(baseRect.width(), baseSize.height() / 10));
-	p.drawRect(FrameRect);
-	p.restore();
-
-	// Draw arrow for outer container drop indicators
-	if (CDockOverlay::ModeContainerOverlay == Mode && DockWidgetArea != CenterDockWidgetArea)
-	{
-		QRectF ArrowRect;
-		ArrowRect.setSize(baseSize);
-		ArrowRect.setWidth(ArrowRect.width() / 4.6);
-		ArrowRect.setHeight(ArrowRect.height() / 2);
-		ArrowRect.moveCenter(QPointF(0, 0));
-		QPolygonF Arrow;
-		Arrow << ArrowRect.topLeft()
-			<< QPointF( ArrowRect.right(),  ArrowRect.center().y())
-			<< ArrowRect.bottomLeft();
-		p.setPen(Qt::NoPen);
-		p.setBrush(backgroundColor);
-		p.setRenderHint(QPainter::Antialiasing, true);
-		p.translate(nonAreaRect.center().x(), nonAreaRect.center().y());
-
-		switch (DockWidgetArea)
-		{
-		case TopDockWidgetArea:
-			 p.rotate(-90);
-			 break;
-		case RightDockWidgetArea:
-			 break;
-		case BottomDockWidgetArea:
-			 p.rotate(90);
-			 break;
-		case LeftDockWidgetArea:
-			p.rotate(180);
-			 break;
-		default:
-			 break;
-		}
-
-		p.drawPolygon(Arrow);
-	}
-
-	return pm;
-}
-
-
-//============================================================================
-QWidget* createDropIndicatorWidget(DockWidgetArea DockWidgetArea,
-	CDockOverlay::eMode Mode)
-{
-	QLabel* l = new QLabel();
-	l->setObjectName("DockWidgetAreaLabel");
-
-	const qreal metric = static_cast<qreal>(l->fontMetrics().height()) * 3.f;
-	const QSizeF size(metric, metric);
-
-	l->setPixmap(createDropIndicatorPixmap(l->palette(), size, DockWidgetArea,
-		Mode));
-	l->setWindowFlags(Qt::Tool | Qt::FramelessWindowHint);
-	l->setAttribute(Qt::WA_TranslucentBackground);
-	return l;
-}
-
 
 /**
  * Private data class of CDockOverlay
@@ -219,6 +73,8 @@ struct DockOverlayCrossPrivate
 	CDockOverlay* DockOverlay;
 	QHash<DockWidgetArea, QWidget*> DropIndicatorWidgets;
 	QGridLayout* GridLayout;
+	QColor IconColors[5];
+	bool UpdateRequired = false;
 
 	/**
 	 * Private data constructor
@@ -231,6 +87,206 @@ struct DockOverlayCrossPrivate
 	 * @return
 	 */
 	QPoint areaGridPosition(const DockWidgetArea area);
+
+
+	/**
+	 * Palette based default icon colors
+	 */
+	QColor defaultIconColor(CDockOverlayCross::eIconColor ColorIndex)
+	{
+		QPalette pal = _this->palette();
+		switch (ColorIndex)
+		{
+		case CDockOverlayCross::FrameColor: return pal.color(QPalette::Active, QPalette::Highlight);
+		case CDockOverlayCross::WindowBackgroundColor: return pal.color(QPalette::Active, QPalette::Base);
+		case CDockOverlayCross::OverlayColor:
+			 {
+				 QColor Color = pal.color(QPalette::Active, QPalette::Highlight);
+				 Color.setAlpha(64);
+				 return Color;
+			 }
+			 break;
+
+		case CDockOverlayCross::ArrowColor: return pal.color(QPalette::Active, QPalette::Base);
+		case CDockOverlayCross::ShadowColor: return QColor(0, 0, 0, 64);
+		default:
+			return QColor();
+		}
+
+		return QColor();
+	}
+
+	/**
+	 * Stylehseet based icon colors
+	 */
+	QColor iconColor(CDockOverlayCross::eIconColor ColorIndex)
+	{
+		QColor Color = IconColors[ColorIndex];
+		if (!Color.isValid())
+		{
+			Color = defaultIconColor(ColorIndex);
+			IconColors[ColorIndex] = Color;
+		}
+		return Color;
+	}
+
+
+	//============================================================================
+	QWidget* createDropIndicatorWidget(DockWidgetArea DockWidgetArea,
+		CDockOverlay::eMode Mode)
+	{
+		QLabel* l = new QLabel();
+		l->setObjectName("DockWidgetAreaLabel");
+
+		const qreal metric = static_cast<qreal>(l->fontMetrics().height()) * 3.f;
+		const QSizeF size(metric, metric);
+
+		l->setPixmap(createDropIndicatorPixmap(size, DockWidgetArea, Mode));
+		l->setWindowFlags(Qt::Tool | Qt::FramelessWindowHint);
+		l->setAttribute(Qt::WA_TranslucentBackground);
+		return l;
+	}
+
+
+	//============================================================================
+	QPixmap createDropIndicatorPixmap(const QSizeF& size, DockWidgetArea DockWidgetArea,
+		CDockOverlay::eMode Mode)
+	{
+		QColor borderColor = iconColor(CDockOverlayCross::FrameColor);
+		QColor backgroundColor = iconColor(CDockOverlayCross::WindowBackgroundColor);
+
+		QPixmap pm(size.width(), size.height());
+		pm.fill(QColor(0, 0, 0, 0));
+
+		QPainter p(&pm);
+		QPen pen = p.pen();
+		QRectF ShadowRect(pm.rect());
+		QRectF baseRect;
+		baseRect.setSize(ShadowRect.size() * 0.7);
+		baseRect.moveCenter(ShadowRect.center());
+
+		// Fill
+		QColor ShadowColor = iconColor(CDockOverlayCross::ShadowColor);
+		if (ShadowColor.alpha() == 255)
+		{
+			ShadowColor.setAlpha(64);
+		}
+		p.fillRect(ShadowRect, ShadowColor);
+
+		// Drop area rect.
+		p.save();
+		QRectF areaRect;
+		QLineF areaLine;
+		QRectF nonAreaRect;
+		switch (DockWidgetArea)
+		{
+			case TopDockWidgetArea:
+				areaRect = QRectF(baseRect.x(), baseRect.y(), baseRect.width(), baseRect.height() * .5f);
+				nonAreaRect = QRectF(baseRect.x(), ShadowRect.height() * .5f, baseRect.width(), baseRect.height() * .5f);
+				areaLine = QLineF(areaRect.bottomLeft(), areaRect.bottomRight());
+				break;
+			case RightDockWidgetArea:
+				areaRect = QRectF(ShadowRect.width() * .5f, baseRect.y(), baseRect.width() * .5f, baseRect.height());
+				nonAreaRect = QRectF(baseRect.x(), baseRect.y(), baseRect.width() * .5f, baseRect.height());
+				areaLine = QLineF(areaRect.topLeft(), areaRect.bottomLeft());
+				break;
+			case BottomDockWidgetArea:
+				areaRect = QRectF(baseRect.x(), ShadowRect.height() * .5f, baseRect.width(), baseRect.height() * .5f);
+				nonAreaRect = QRectF(baseRect.x(), baseRect.y(), baseRect.width(), baseRect.height() * .5f);
+				areaLine = QLineF(areaRect.topLeft(), areaRect.topRight());
+				break;
+			case LeftDockWidgetArea:
+				areaRect = QRectF(baseRect.x(), baseRect.y(), baseRect.width() * .5f, baseRect.height());
+				nonAreaRect = QRectF(ShadowRect.width() * .5f, baseRect.y(), baseRect.width() * .5f, baseRect.height());
+				areaLine = QLineF(areaRect.topRight(), areaRect.bottomRight());
+				break;
+			default:
+				break;
+		}
+
+		QSizeF baseSize = baseRect.size();
+		if (CDockOverlay::ModeContainerOverlay == Mode && DockWidgetArea != CenterDockWidgetArea)
+		{
+			baseRect = areaRect;
+		}
+
+		p.fillRect(baseRect, backgroundColor);
+		if (areaRect.isValid())
+		{
+			pen = p.pen();
+			pen.setColor(borderColor);
+			QColor Color = iconColor(CDockOverlayCross::OverlayColor);
+			if (Color.alpha() == 255)
+			{
+				Color.setAlpha(64);
+			}
+			p.setBrush(Color);
+			p.setPen(Qt::NoPen);
+			p.drawRect(areaRect);
+
+			pen = p.pen();
+			pen.setColor(borderColor);
+			pen.setStyle(Qt::DashLine);
+			p.setPen(pen);
+			p.drawLine(areaLine);
+		}
+		p.restore();
+
+		p.save();
+		// Draw outer border
+		pen = p.pen();
+		pen.setColor(borderColor);
+		pen.setWidth(1);
+		p.setBrush(Qt::NoBrush);
+		p.setPen(pen);
+		p.drawRect(baseRect);
+
+		// draw window title bar
+		p.setBrush(borderColor);
+		QRectF FrameRect(baseRect.topLeft(), QSizeF(baseRect.width(), baseSize.height() / 10));
+		p.drawRect(FrameRect);
+		p.restore();
+
+		// Draw arrow for outer container drop indicators
+		if (CDockOverlay::ModeContainerOverlay == Mode && DockWidgetArea != CenterDockWidgetArea)
+		{
+			QRectF ArrowRect;
+			ArrowRect.setSize(baseSize);
+			ArrowRect.setWidth(ArrowRect.width() / 4.6);
+			ArrowRect.setHeight(ArrowRect.height() / 2);
+			ArrowRect.moveCenter(QPointF(0, 0));
+			QPolygonF Arrow;
+			Arrow << ArrowRect.topLeft()
+				<< QPointF( ArrowRect.right(),  ArrowRect.center().y())
+				<< ArrowRect.bottomLeft();
+			p.setPen(Qt::NoPen);
+			p.setBrush(iconColor(CDockOverlayCross::ArrowColor));
+			p.setRenderHint(QPainter::Antialiasing, true);
+			p.translate(nonAreaRect.center().x(), nonAreaRect.center().y());
+
+			switch (DockWidgetArea)
+			{
+			case TopDockWidgetArea:
+				 p.rotate(-90);
+				 break;
+			case RightDockWidgetArea:
+				 break;
+			case BottomDockWidgetArea:
+				 p.rotate(90);
+				 break;
+			case LeftDockWidgetArea:
+				p.rotate(180);
+				 break;
+			default:
+				 break;
+			}
+
+			p.drawPolygon(Arrow);
+		}
+
+		return pm;
+	}
+
 };
 
 
@@ -247,7 +303,6 @@ CDockOverlay::CDockOverlay(QWidget* parent, eMode Mode) :
 	setAttribute(Qt::WA_NoSystemBackground);
 	setAttribute(Qt::WA_TranslucentBackground);
 
-	d->Cross->setupOverlayCross(Mode);
 	d->Cross->setVisible(false);
 	setVisible(false);
 }
@@ -405,6 +460,18 @@ void CDockOverlay::hideEvent(QHideEvent* e)
 }
 
 
+//============================================================================
+bool CDockOverlay::event(QEvent *e)
+{
+	bool Result = Super::event(e);
+	if (e->type() == QEvent::Polish)
+	{
+		d->Cross->setupOverlayCross(d->Mode);
+	}
+	return Result;
+}
+
+
 //============================================================================
 static int areaAlignment(const DockWidgetArea area)
 {
@@ -480,13 +547,29 @@ void CDockOverlayCross::setupOverlayCross(CDockOverlay::eMode Mode)
 	d->Mode = Mode;
 
 	QHash<DockWidgetArea, QWidget*> areaWidgets;
-	areaWidgets.insert(TopDockWidgetArea, createDropIndicatorWidget(TopDockWidgetArea, Mode));
+	areaWidgets.insert(TopDockWidgetArea, d->createDropIndicatorWidget(TopDockWidgetArea, Mode));
-	areaWidgets.insert(RightDockWidgetArea, createDropIndicatorWidget(RightDockWidgetArea, Mode));
+	areaWidgets.insert(RightDockWidgetArea, d->createDropIndicatorWidget(RightDockWidgetArea, Mode));
-	areaWidgets.insert(BottomDockWidgetArea, createDropIndicatorWidget(BottomDockWidgetArea, Mode));
+	areaWidgets.insert(BottomDockWidgetArea, d->createDropIndicatorWidget(BottomDockWidgetArea, Mode));
-	areaWidgets.insert(LeftDockWidgetArea, createDropIndicatorWidget(LeftDockWidgetArea, Mode));
+	areaWidgets.insert(LeftDockWidgetArea, d->createDropIndicatorWidget(LeftDockWidgetArea, Mode));
-	areaWidgets.insert(CenterDockWidgetArea, createDropIndicatorWidget(CenterDockWidgetArea, Mode));
+	areaWidgets.insert(CenterDockWidgetArea, d->createDropIndicatorWidget(CenterDockWidgetArea, Mode));
 
 	setAreaWidgets(areaWidgets);
+	d->UpdateRequired = false;
+}
+
+
+//============================================================================
+void CDockOverlayCross::setIconColor(eIconColor ColorIndex, const QColor& Color)
+{
+	d->IconColors[ColorIndex] = Color;
+	d->UpdateRequired = true;
+}
+
+
+//============================================================================
+QColor CDockOverlayCross::iconColor(eIconColor ColorIndex) const
+{
+	return d->IconColors[ColorIndex];
 }
 
 
@@ -573,6 +656,10 @@ DockWidgetArea CDockOverlayCross::cursorLocation() const
 //============================================================================
 void CDockOverlayCross::showEvent(QShowEvent*)
 {
+	if (d->UpdateRequired)
+	{
+		setupOverlayCross(d->Mode);
+	}
 	this->updatePosition();
 }
 
@@ -611,6 +698,38 @@ void CDockOverlayCross::reset()
 }
 
 
+//============================================================================
+void CDockOverlayCross::setIconColors(const QString& Colors)
+{
+	static const QMap<QString, int> ColorCompenentStringMap{
+		{"Frame", CDockOverlayCross::FrameColor},
+		{"Background", CDockOverlayCross::WindowBackgroundColor},
+		{"Overlay", CDockOverlayCross::OverlayColor},
+		{"Arrow", CDockOverlayCross::ArrowColor},
+		{"Shadow", CDockOverlayCross::ShadowColor}};
+
+	auto ColorList = Colors.split(' ', QString::SkipEmptyParts);
+	for (const auto& ColorListEntry : ColorList)
+	{
+		auto ComponentColor = ColorListEntry.split('=', QString::SkipEmptyParts);
+		int Component = ColorCompenentStringMap.value(ComponentColor[0], -1);
+		if (Component < 0)
+		{
+			continue;
+		}
+		d->IconColors[Component] = QColor(ComponentColor[1]);
+	}
+
+	d->UpdateRequired = true;
+}
+
+//============================================================================
+QString CDockOverlayCross::iconColors() const
+{
+	return QString();
+}
+
+
 
 } // namespace ads
 //----------------------------------------------------------------------------

src/DockOverlay.h

@@ -48,6 +48,8 @@ private:
 	friend class DockOverlayCross;
 
 public:
+	using Super = QFrame;
+
 	enum eMode
 	{
 		ModeDockAreaOverlay,
@@ -100,6 +102,11 @@ public:
 	 */
 	QRect dropOverlayRect() const;
 
+	/**
+	 * Handle polish events
+	 */
+	virtual bool event(QEvent *e) override;
+
 protected:
 	virtual void paintEvent(QPaintEvent *e) override;
 	virtual void showEvent(QShowEvent* e) override;
@@ -112,18 +119,71 @@ struct DockOverlayCrossPrivate;
  * DockOverlayCross shows a cross with 5 different drop area possibilities.
  * I could have handled everything inside DockOverlay, but because of some
  * styling issues it's better to have a separate class for the cross.
+ * You can style the cross icon using the property system.
+ * \code
+ * ads--CDockOverlayCross
+  {
+		qproperty-iconFrameColor: palette(highlight);
+		qproperty-iconBackgroundColor: palette(base);
+		qproperty-iconOverlayColor: palette(highlight);
+		qproperty-iconArrowColor: rgb(227, 227, 227);
+		qproperty-iconShadowColor: rgb(0, 0, 0);
+	}
+ * \endcode
+ * Or you can use the iconColors property to pass in AARRGGBB values as
+ * hex string like shown in the example below.
+ * \code
+ * ads--CDockOverlayCross
+ * {
+ *     qproperty-iconColors: "Frame=#ff3d3d3d Background=#ff929292 Overlay=#1f3d3d3d Arrow=#ffb4b4b4 Shadow=#40474747";
+ * }
+ * \endcode
  */
 class CDockOverlayCross : public QWidget
 {
 	Q_OBJECT
+	Q_PROPERTY(QString iconColors READ iconColors WRITE setIconColors)
+	Q_PROPERTY(QColor iconFrameColor READ iconColor WRITE setIconFrameColor)
+	Q_PROPERTY(QColor iconBackgroundColor READ iconColor WRITE setIconBackgroundColor)
+	Q_PROPERTY(QColor iconOverlayColor READ iconColor WRITE setIconOverlayColor)
+	Q_PROPERTY(QColor iconArrowColor READ iconColor WRITE setIconArrowColor)
+	Q_PROPERTY(QColor iconShadowColor READ iconColor WRITE setIconShadowColor)
+
+public:
+	enum eIconColor
+	{
+		FrameColor,///< the color of the frame of the small window icon
+		WindowBackgroundColor,///< the background color of the small window in the icon
+		OverlayColor,///< the color that shows the overlay (the dock side) in the icon
+		ArrowColor,///< the arrow that points into the direction
+		ShadowColor///< the color of the shadow rectangle that is painted below the icons
+	};
+
 private:
 	DockOverlayCrossPrivate* d;
 	friend struct DockOverlayCrossPrivate;
 	friend class CDockOverlay;
 
+protected:
+	/**
+     * This function returns an empty string and is only here to silence
+     * moc
+     */
+    QString iconColors() const;
+
+    /**
+     * This is a dummy function for the property system
+     */
+    QColor iconColor() const {return QColor();}
+    void setIconFrameColor(const QColor& Color) {setIconColor(FrameColor, Color);}
+    void setIconBackgroundColor(const QColor& Color) {setIconColor(WindowBackgroundColor, Color);}
+    void setIconOverlayColor(const QColor& Color) {setIconColor(OverlayColor, Color);}
+    void setIconArrowColor(const QColor& Color) {setIconColor(ArrowColor, Color);}
+    void setIconShadowColor(const QColor& Color) {setIconColor(ShadowColor, Color);}
+
 public:
 	/**
-	 * Creates an overlay corss for the given overlay
+	 * Creates an overlay cross for the given overlay
 	 */
 	CDockOverlayCross(CDockOverlay* overlay);
 
@@ -132,6 +192,16 @@ public:
 	 */
 	virtual ~CDockOverlayCross();
 
+	/**
+	 * Sets a certain icon color
+	 */
+	void setIconColor(eIconColor ColorIndex, const QColor& Color);
+
+	/**
+	 * Returns the icon color given by ColorIndex
+	 */
+	QColor iconColor(eIconColor ColorIndex) const;
+
 	/**
 	 * Returns the dock widget area depending on the current cursor location.
 	 * The function checks, if the mouse cursor is inside of any drop indicator
@@ -154,6 +224,19 @@ public:
 	 */
 	void updatePosition();
 
+	/**
+	 * A string with all icon colors to set.
+	 * You can use this property to style the overly icon via CSS stylesheet
+	 * file. The colors are set via a color identifier and a hex AARRGGBB value like
+	 * in the example below.
+	 * \code
+	 * ads--CDockOverlayCross
+	 * {
+	 *     qproperty-iconColors: "Frame=#ff3d3d3d Background=#ff929292 Overlay=#1f3d3d3d Arrow=#ffb4b4b4 Shadow=#40474747";
+	 * }
+	 */
+    void setIconColors(const QString& Colors);
+
 protected:
 	virtual void showEvent(QShowEvent* e) override;
 	void setAreaWidgets(const QHash<DockWidgetArea, QWidget*>& widgets);

src/FloatingDockContainer.cpp

@@ -367,8 +367,16 @@ bool CFloatingDockContainer::event(QEvent *e)
 	else if (d->NonClientAreaMouseButtonPress && (e->type() == QEvent::Resize))
 	{
 		// If user resizes the floating widget, we do not want to show any
-		// drop overlays or drop overlay icons
+		// drop overlays or drop overlay icons. If the window is maximized,
-		d->setDraggingActive(false);
+		// then dragging the window via title bar will cause the widget to
+		// leave the maximized state. This in turn will trigger a resize event.
+		// To know, if the resize event was triggered by user via moving a
+		// corner of the window frame or if it was caused by a windows state
+		// change, we check, if we are not in maximized state.
+		if (!isMaximized())
+		{
+			d->setDraggingActive(false);
+		}
 	}
 
 	return QWidget::event(e);