example: Show usage of segmented indicators

examples/dockwidgets/main.cpp

@@ -75,6 +75,9 @@ int main(int argc, char **argv)
     QCommandLineOption maximizeButton("b", QCoreApplication::translate("main", "DockWidgets have maximize/restore buttons instead of float/dock button"));
     parser.addOption(maximizeButton);
 
+    QCommandLineOption segmentedIndicators("y", QCoreApplication::translate("main", "Use segmented indicators instead of classical"));
+    parser.addOption(segmentedIndicators);
+
     parser.addPositionalArgument("savedlayout", QCoreApplication::translate("main", "loads the specified json file at startup"));
 
 #ifdef KDDOCKWIDGETS_SUPPORTS_NESTED_MAINWINDOWS
@@ -101,6 +104,9 @@ int main(int argc, char **argv)
         Config::self().setSeparatorThickness(10);
     }
 
+    if (parser.isSet(segmentedIndicators))
+        KDDockWidgets::DefaultWidgetFactory::s_dropIndicatorType = KDDockWidgets::DropIndicatorType::Segmented;
+
     MainWindowOptions options = MainWindowOption_None;
 #if defined(DOCKS_DEVELOPER_MODE)
     options = parser.isSet(centralFrame) ? MainWindowOption_HasCentralFrame

src/FrameworkWidgetFactory.cpp

@@ -37,6 +37,8 @@
 
 using namespace KDDockWidgets;
 
+DropIndicatorType DefaultWidgetFactory::s_dropIndicatorType = DropIndicatorType::Classic;
+
 FrameworkWidgetFactory::~FrameworkWidgetFactory()
 {
 }
@@ -84,6 +86,13 @@ FloatingWindow *DefaultWidgetFactory::createFloatingWindow(Frame *frame, MainWin
 
 DropIndicatorOverlayInterface *DefaultWidgetFactory::createDropIndicatorOverlay(DropArea *dropArea) const
 {
+    switch (s_dropIndicatorType) {
+    case DropIndicatorType::Classic:
+        return new ClassicIndicators(dropArea);
+    case DropIndicatorType::Segmented:
+        return new SegmentedIndicators(dropArea);
+    }
+
     return new ClassicIndicators(dropArea);
 }
 

src/FrameworkWidgetFactory.h

@@ -142,6 +142,8 @@ public:
     FloatingWindow *createFloatingWindow(Frame *frame, MainWindowBase *parent = nullptr) const override;
     DropIndicatorOverlayInterface *createDropIndicatorOverlay(DropArea*) const override;
     QWidgetOrQuick *createRubberBand(QWidgetOrQuick *parent) const override;
+
+    static DropIndicatorType s_dropIndicatorType;
 private:
     Q_DISABLE_COPY(DefaultWidgetFactory)
 };

src/KDDockWidgets.h

@@ -73,6 +73,11 @@ namespace KDDockWidgets
         SizePolicy, ///< Uses the item's sizeHint() and sizePolicy()
     };
 
+    enum class DropIndicatorType {
+        Classic,   ///< The default
+        Segmented
+    };
+
     ///@internal
     inline QString locationStr(Location loc)
     {