TextEdit sourceedit.h friend class friend class CompletionBox CompletionBox SourceEdit * SourceEdit* TextEdit::parent parent bool bool TextEdit::completationOpen completationOpen TextEdit::TextEdit (QWidget *parent) TextEdit QWidget * parent void void TextEdit::keyPressEvent (QKeyEvent *e) keyPressEvent QKeyEvent * e LineNumberWidget Highlighter SourceEdit highlighter linenumbers edit TextEdit parent TextEditcompletationOpen TextEditCompletionBox TextEditkeyPressEvent TextEditparent TextEditTextEdit