Method ClearSelection

scintilla/src/Editor.cxx:4232–4251

}

void Editor::ClearSelection ( bool retainMultipleSelections )
{
    if ( !sel.IsRectangular() && !retainMultipleSelections ) {
        FilterSelections();
    }
    UndoGroup ug ( pdoc );
    for ( size_t r = 0; r < sel.Count(); r++ ) {
        if ( !sel.Range ( r ).Empty() ) {
            if ( !RangeContainsProtected ( sel.Range ( r ).Start().Position(),
                                           sel.Range ( r ).End().Position() ) ) {
                pdoc->DeleteChars ( sel.Range ( r ).Start().Position(),
                                    sel.Range ( r ).Length() );
                sel.Range ( r ) = sel.Range ( r ).Start();
            }
        }
    }
    ThinRectangularRange();
    sel.RemoveDuplicates();
    ClaimSelection();
}

void Editor::ClearAll()
{