Added support for focus styling of CFloatingWidgetTitleBra

src/DockManager.cpp

@@ -57,6 +57,10 @@
 #include "DockingStateReader.h"
 #include "DockAreaTitleBar.h"
 
+#ifdef Q_OS_LINUX
+#include "linux/FloatingWidgetTitleBar.h"
+#endif
+
 
 /**
  * Initializes the resources specified by the .qrc file with the specified base
@@ -96,6 +100,7 @@ struct DockManagerPrivate
 	QVector<CFloatingDockContainer*> UninitializedFloatingWidgets;
 	QPointer<CDockWidget> FocusedDockWidget = nullptr;
 	QPointer<CDockAreaWidget> FocusedArea = nullptr;
+    QPointer<CFloatingDockContainer> FloatingWidget = nullptr;
 
 	/**
 	 * Private data constructor
@@ -450,6 +455,19 @@ void updateDockAreaFocusStyle(CDockAreaWidget* DockArea, bool Focused)
 }
 
 
+//===========================================================================
+void updateFloatingWidgetFocusStyle(CFloatingDockContainer* FloatingWidget, bool Focused)
+{
+    auto TitleBar = qobject_cast<CFloatingWidgetTitleBar*>(FloatingWidget->titleBarWidget());
+    if (!TitleBar)
+    {
+        return;
+    }
+    TitleBar->setProperty("focused", Focused);
+    TitleBar->updateStyle();
+}
+
+
 //============================================================================
 void DockManagerPrivate::updateDockWidgetFocus(CDockWidget* DockWidget)
 {
@@ -476,6 +494,24 @@ void DockManagerPrivate::updateDockWidgetFocus(CDockWidget* DockWidget)
 	FocusedArea = NewFocusedDockArea;
 	updateDockAreaFocusStyle(FocusedArea, true);
 	QObject::connect(FocusedArea, SIGNAL(viewToggled(bool)), _this, SLOT(onFocusedDockAreaViewToggled(bool)));
+
+    // Linux specific focus stuff
+    auto NewFloatingWidget = FocusedDockWidget->dockContainer()->floatingWidget();
+    if (FloatingWidget == NewFloatingWidget)
+    {
+        return;
+    }
+
+    if (FloatingWidget)
+    {
+        updateFloatingWidgetFocusStyle(FloatingWidget, false);
+    }
+    FloatingWidget = NewFloatingWidget;
+
+    if (FloatingWidget)
+    {
+        updateFloatingWidgetFocusStyle(FloatingWidget, true);
+    }
 }
 
 
@@ -954,7 +990,7 @@ void CDockManager::onFocusChanged(QWidget* focusedOld, QWidget* focusedNow)
 		DockWidget = internal::findParent<CDockWidget*>(focusedNow);
 	}
 
-	if (!DockWidget || !DockWidget->tabWidget()->isVisible())
+    if (!DockWidget /*|| !DockWidget->tabWidget()->isVisible()*/)
 	{
 		return;
 	}

src/FloatingDockContainer.h

@@ -172,8 +172,7 @@ protected:
 	/**
 	 * Call this function to update the window title
 	 */
-	void updateWindowTitle();
-
+    void updateWindowTitle();
 
 protected: // reimplements QWidget
 	virtual void changeEvent(QEvent *event) override;

src/linux/FloatingWidgetTitleBar.cpp

@@ -115,7 +115,7 @@ void FloatingWidgetTitleBarPrivate::createLayout()
 
 //============================================================================
 CFloatingWidgetTitleBar::CFloatingWidgetTitleBar(CFloatingDockContainer *parent) :
-	QWidget(parent),
+    QFrame(parent),
 	d(new FloatingWidgetTitleBarPrivate(this))
 {
 	d->FloatingWidget = parent;
@@ -172,16 +172,26 @@ void CFloatingWidgetTitleBar::mouseMoveEvent(QMouseEvent *ev)
 	Super::mouseMoveEvent(ev);
 }
 
+
 //============================================================================
 void CFloatingWidgetTitleBar::enableCloseButton(bool Enable)
 {
 	d->CloseButton->setEnabled(Enable);
 }
 
+
 //============================================================================
 void CFloatingWidgetTitleBar::setTitle(const QString &Text)
 {
 	d->TitleLabel->setText(Text);
 }
 
+
+//============================================================================
+void CFloatingWidgetTitleBar::updateStyle()
+{
+    internal::repolishStyle(this);
+    internal::repolishStyle(d->TitleLabel);
+}
+
 } // namespace ads

src/linux/FloatingWidgetTitleBar.h

@@ -29,7 +29,7 @@
 //============================================================================
 //                                   INCLUDES
 //============================================================================
-#include <QWidget>
+#include <QFrame>
 
 namespace ads
 {
@@ -45,7 +45,7 @@ struct FloatingWidgetTitleBarPrivate;
  * for the docking system to work properly, we use our own titlebar here to
  * capture the required mouse events.
  */
-class CFloatingWidgetTitleBar : public QWidget
+class CFloatingWidgetTitleBar : public QFrame
 {
 	Q_OBJECT
 private:
@@ -75,6 +75,11 @@ public:
 	 */
 	void setTitle(const QString &Text);
 
+    /**
+     * Update stylesheet style if a property changes
+     */
+    void updateStyle();
+
 signals:
 	/**
 	 * This signal is emitted, if the close button is clicked.

src/stylesheets/default.css

@@ -97,7 +97,7 @@ ads--CDockSplitter::handle
 }
 
 
-
+/* Focus related styling */
 ads--CDockWidgetTab[focused="true"]
 {
     background: palette(highlight);
@@ -123,8 +123,3 @@ ads--CDockAreaWidget[focused="true"] ads--CDockAreaTitleBar
 	border-bottom: 2px solid palette(highlight);
 	padding-bottom: 0px;
 }
-
-
-
-
-

src/stylesheets/default_linux.css

@@ -93,4 +93,41 @@ QScrollArea#dockWidgetScrollArea
         background: rgba(0, 0, 0, 32);
 }
 
+/* Focus related styling */
+ads--CDockWidgetTab[focused="true"]
+{
+    background: palette(highlight);
+    border-color: palette(highlight);
+}
 
+ads--CDockWidgetTab[focused="true"] QLabel
+{
+    color: palette(light);
+}
+
+
+ads--CDockAreaTitleBar
+{
+        background: transparent;
+        border-bottom: 2px solid palette(light);
+        padding-bottom: 0px;
+}
+
+ads--CDockAreaWidget[focused="true"] ads--CDockAreaTitleBar
+{
+        background: transparent;
+        border-bottom: 2px solid palette(highlight);
+        padding-bottom: 0px;
+}
+
+
+ads--CFloatingDockContainer[isActiveWindow="true"] ads--CFloatingWidgetTitleBar
+{
+    background: palette(highlight);
+}
+
+
+ads--CFloatingDockContainer[isActiveWindow="true"] ads--CFloatingWidgetTitleBar > QLabel
+{
+    color: palette(light);
+}