I use a value relation widget which is connected to a list of streets.
If I tick "use completer" I can use the autocompletion but the dropdown menu disappear. The dropdown menu appears again only if I type a first letter.
I would like to have both autocompletion and dropdown menu even when no letter is entered because sometimes the surveyor doesn't know by heart the spelling of a street.
Is it already possible or under development ?
I am using QGIS version 2.18.13
Here is a screenshot with widget properties - the function "use completer" is thicked
Here is the menu without completer
Here is the menu with completer (I have to type at least one letter to let the dropdown menu appear)