[processing] Correctly make extent selection combo box non-editable

nyalldawson · nyalldawson · commit 66f82530bdff · 2018-09-21T13:16:13.000+10:00
The choice is supposed to be only from the listed options, and
shouldn't allow free-form user text
diff --git a/python/plugins/processing/gui/ExtentSelectionPanel.py b/python/plugins/processing/gui/ExtentSelectionPanel.py
@@ -137,7 +137,7 @@ def useLayerExtent(self):
             extents.append(layerName)
             extentsDict[layerName] = {"extent": layer.extent(), "authid": authid}
         (item, ok) = QInputDialog.getItem(self, self.tr('Select Extent'),
-                                          self.tr('Use extent from'), extents, False)
+                                          self.tr('Use extent from'), extents, 0, False)
         if ok:
             self.setValueFromRect(QgsReferencedRectangle(extentsDict[item]["extent"], QgsCoordinateReferenceSystem(extentsDict[item]["authid"])))
 
