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8fc79ce383
* Better bounding-box checking on legacy WMS servers - JPL World Map Service works again. * Providers can now expose the last error encountered by the provider. Only WMS returns useful information though. * Error display is now handled by the QgsMapCanvas not the QgsWmsProvider - this frees QgsWmsProvider from a dependency on the GUI being available. * For map redraws, QApplication::setOverrideCursor and QApplication::restoreOverrideCursor are now handled by the QgsMapCanvas not the QgisApp - this helps stop error message popups (via QMessageBox) from suffering from the "hourglass" cursor appearing not the "pointer". * Consective WMS operations do not fail any more - the "url" variable was being appended to, not cleared before each draw. git-svn-id: http://svn.osgeo.org/qgis/trunk@4907 c8812cc2-4d05-0410-92ff-de0c093fc19c