Ui_LineOptions 0 0 152 26 0 0 94 22 400 32 Line Options 1 1 0 0 0 Form a closed contour from lines drawn Close 24 22 false Undo the last line drawing Undo Redo the last line drawing Redo 0 0 QFrame::VLine QFrame::Sunken bClose clicked() Ui_LineOptions close() 20 20 20 20 bUndo clicked() Ui_LineOptions undo() 20 20 20 20 bRedo clicked() Ui_LineOptions redo() 100 10 61 10