I'll be in girona from Thursday, let's have a look there. see ya
ciao On 24.05.2016 11:58, Nyall Dawson wrote: > On 24 May 2016 at 19:53, Marco Bernasocchi <[email protected]> wrote: >> Hi Richard, I alvays wanted to make a blog post out of this: >> https://github.com/mbernasocchi/pyqtExperiments/blob/master/qgis_thread_example.py >> >> I use message bars in theads there and never had issues. >> >> maybe it helps. > > Marco - interesting stuff! Have you seen this PR yet? > https://github.com/qgis/QGIS/pull/3004 > > Looks like we share some common implementation details, so I'd be keen > to hear your thoughts on that proposed design. > > Nyall > >> >> ciao >> Marco >> >> On 24.05.2016 10:48, Richard Duivenvoorde wrote: >>> >>> Busy with a plugin which retrieves (in separate threads) a lot of data >>> from 2 w*s services. >>> >>> I thought to use the QgsMessageBar to show progress of the (two) >>> download processes, but stumbled on (I think) a problem: >>> >>> - from api docs: https://qgis.org/api/classQgsMessageBar.html#details >>> The message bar will take ownership of the item... >>> >>> My problem now is that (I think) my progressbars (which were place in a >>> QgsMessageBar-item-widget) are sometimes deleted although I still want >>> to use them... >>> >>> For example: an user can click the little 'x' button in the messagebar >>> to clean up all messages. >>> Or a python dev can call 'clean all widgets'. >>> >>> BUT at that moment a progressbar part of a messagebaritem is (at least >>> in cpp world) apparently deleted. >>> Meaning, if (in the python world) I set a progress value on it, I get a >>> nice clean segmentation fault.... >>> >>> I managed to work around this by NOT putting the progress bars in the >>> messagebar (but put small ones in the plugin toolbar), but as several >>> examples flow around on Google, I thought to speak out. >>> >>> Should we just not let people do this? >>> >>> Or was I using the messagebar for things I was not supposed to use if for? >>> >>> Or should we make an option to add a 'special' widget to the messagebar, >>> which is NOT removed using clearWidgets() (either via Python or via >>> x-button)? >>> >>> Regards, >>> >>> Richard >>> _______________________________________________ >>> Qgis-developer mailing list >>> [email protected] >>> List info: http://lists.osgeo.org/mailman/listinfo/qgis-developer >>> Unsubscribe: http://lists.osgeo.org/mailman/listinfo/qgis-developer >> >> -- >> Marco Bernasocchi >> OPENGIS.ch - berna.io - 27summits.ch >> _______________________________________________ >> Qgis-developer mailing list >> [email protected] >> List info: http://lists.osgeo.org/mailman/listinfo/qgis-developer >> Unsubscribe: http://lists.osgeo.org/mailman/listinfo/qgis-developer -- Marco Bernasocchi OPENGIS.ch - berna.io - 27summits.ch _______________________________________________ Qgis-developer mailing list [email protected] List info: http://lists.osgeo.org/mailman/listinfo/qgis-developer Unsubscribe: http://lists.osgeo.org/mailman/listinfo/qgis-developer
