[Uml-devel] kdesdk/umbrello/umbrello

[Jonathan Riddell]

On Mon, Jul 14, 2003 at 05:36:12PM +0200, David Faure wrote:
> On Friday 11 July 2003 17:36, Jonathan Riddell wrote:
> > > ==============
> > > I'm getting a crash in the CVS version of umbrello, in a collaboration diagram,
> > > when using RMB / Select Operation... on a "message" (which links two classes).
> > > 
> > > This due to FloatingText::showOpDlg() doing:
> > >         UMLClassifier* c = (UMLClassifier*)getUMLObject();
> > > However getUMLObject returns 0, since FloatingText doesn't pass an uml object
> > > to its base class (umlwidget), it only passes umlwidgetdata.
> > > 
> > > I'm not sure how to fix this - what should happen here? How should FloatingText
> > > know about a "classifier", whatever that is?
> > > ==============
> > 
> > I've been unable to get this to crash.  Is it specific to a diagram
> > you have or is it recreateable from a new file?  A step by step
> > recreation would be most useful.
> 
> * New Collaboration diagram
> * Drag two classes into it
> * Click "Message" toolbar button
> * Link the two classes together
> * Right-click the "link"
> * In the popupmenu choose "Select Operation"
> => core dump
> 
> > A classifier is a UML term.  It is the super-class for Classes and
> > Interfaces (and DataTypes) in UML and also in Umbrello.
> > 
> > The UMLObject for the FloatingText should be set by the MessageWidget
> > just after it is created.  It's quite possible that there's a mistake
> > which allows the FloatingText not to have a UMLObject set for it, but
> > I havn't found it.
> 
> MessageWidget::MessageWidget(UMLView*, UMLWidgetData*) is the constructor
> being used.
> The FloatingText is created by MessageWidget::activate, which doesn't set the 
> UMLObject for it.


That should be fixed now.

Thanks for the feedback.

Jonathan Riddell