Add protected helper methods to better handle rubberband operations outside of a TDEListView in file manager mode

This relates to Bug 1961
(cherry picked from commit 216794724c)

kdeui/klistview.cpp

@@ -1515,6 +1515,20 @@ bool KListView::automaticSelection() const
    return d->selectedBySimpleMove;
 }
 
+void KListView::resetKeyboardSelectionOperation()
+{
+	d->wasShiftEvent = false;
+	d->selectionDirection = 0;
+}
+
+void KListView::setActiveMultiSelectItem(TQListViewItem *item) {
+	TQListViewItem* origItem = currentItem();
+	if (!d->initialFileManagerItem) {
+		d->initialFileManagerItem = origItem;
+	}
+	setCurrentItem(item);
+}
+
 void KListView::fileManagerKeyPressEvent (TQKeyEvent* e)
 {
 	//don't care whether it's on the keypad or not

kdeui/klistview.h

@@ -912,6 +912,21 @@ protected:
    */
   void resetAutoSelection();
 
+  /**
+   * In FileManager selection mode: reset the keyboard selection operation;
+   * e.g. after completion of a mouse rubberband operation
+   * @since 14.0
+   */
+  void resetKeyboardSelectionOperation();
+
+  /**
+   * In FileManager selection mode: set the current keyboard cursor selection
+   * item; e.g. during a mouse rubberband operation
+   * @param direction down is 1, up is -1
+   * @since 14.0
+   */
+  void setActiveMultiSelectItem(TQListViewItem *item);
+
   /**
    * @deprecated This is just here for binary compatibility.  Use the signal
    * in TQListView instead.