Use default cursor icon on macro segment control hover

Previously the cursor icon would be set to Qt::SplitVCursor as those
widgets were moved into the splitter handle layout

lib/utils/cursor-shape-changer.cpp

@@ -0,0 +1,34 @@
+#include "cursor-shape-changer.hpp"
+
+#include <QCursor>
+#include <QEvent>
+#include <QGuiApplication>
+
+namespace advss {
+
+CursorShapeChanger::CursorShapeChanger(QObject *parent, Qt::CursorShape shape)
+	: QObject(parent),
+	  _shape(shape)
+{
+}
+
+bool CursorShapeChanger::eventFilter(QObject *o, QEvent *e)
+{
+	if ((e->type() == QEvent::HoverEnter || e->type() == QEvent::Enter) &&
+	    !_overrideActive) {
+		_overrideActive = true;
+		QGuiApplication::setOverrideCursor(QCursor(_shape));
+	} else if (_overrideActive && e->type() == QEvent::Leave) {
+		_overrideActive = false;
+		QGuiApplication::restoreOverrideCursor();
+	}
+
+	return QObject::eventFilter(o, e);
+}
+
+void SetCursorOnWidgetHover(QWidget *widget, Qt::CursorShape shape)
+{
+	widget->installEventFilter(new CursorShapeChanger(widget, shape));
+}
+
+} // namespace advss