Push or Pull for selections?

[Manuel Breugelmans]

On Sunday 24 August 2008 12:00:35 Andreas Pakulat wrote:
> On 24.08.08 11:38:42, Marek Jasovsky wrote:
> > 2008/8/24, Andreas Pakulat <apaku at gmx.de>:
> > > Hi,
> > >
> > > after comitting the proxy-selection-model last night I couldn't really
> > > sleep and thought about how to allow plugins to know the selections in
> > > other plugins. Or rather, they want to know the selections in the
> > > toolviews and views.
> > >
> > > Now I'm a bit undecided wether to use a push or a pull strategy to make
> > > the information available. The push strategy would mean a new virtual
> > > on IPlugin and a public method on IPluginController to notify all
> > > plugins of changes in the selection. So each plugin interested in
> > > knowing the "last" selection in the GUI would need to re-implement the
> > > virtual

Any reason to not use a signal for this instead? PluginController (or some 
other) emits a selectedContextChanged(), interested parties subscribe to it. 
More elegant and powerful imo, but maybe I'm missing the obvious.


Manuel