Adds initial intermediate qt6 porting state

qt6-after/qt6-migrated-legatus/Lts/Common/LtsWidgets/lts_splitter.cpp

@@ -0,0 +1,57 @@
+
+
+
+#include "lts_splitter.h"
+#include "lts_splitter_handle.h"
+
+
+namespace LtsWidgets
+{
+
+LtsSplitter::LtsSplitter(QWidget *parent)
+  : QSplitter(parent)
+{
+  connect(this, &LtsSplitter::sizesChanged, this, &LtsSplitter::changeSizes);
+}
+
+LtsSplitter::~LtsSplitter()
+{
+}
+
+QSplitterHandle *LtsSplitter::createHandle()
+{
+  LtsSplitterHandle *hand = new LtsSplitterHandle(orientation(), this);
+#ifdef TABLET_MODE
+  setHandleWidth(25);
+#else
+  setHandleWidth(10);
+#endif
+  return hand;
+}
+
+void LtsSplitter::collapseChild(const int index)
+{
+  if (children().size() > index)
+  {
+    QWidget *widget = static_cast<QWidget*>(children().at(index));
+    if (widget)
+    {
+      QList<int> s = sizes();
+      s[index] = 0;
+      setSizes(s);
+    }
+  }
+}
+
+void LtsSplitter::animate(int handleId)
+{
+  LtsSplitterHandle *handle = dynamic_cast<LtsSplitterHandle*>(this->handle(handleId));
+  handle->animate();
+}
+
+void LtsSplitter::changeSizes(const QList<int> &list)
+{
+  QSplitter::setSizes(list);
+}
+
+}