[PyQt] Re: Add "user" property to a widget

[Arve Knudsen]

Thanks, pyqtProperty was just the thing!

Arve

On Wed, Sep 10, 2008 at 11:58 AM, Alberto Berti <alberto at metapensiero.it> wrote:
>>>>>> "Arve" == Arve Knudsen <arve.knudsen at gmail.com> writes:
>
>    Arve> I need to have a "user" property for a widget, so it can be
>    Arve> fetched via its metaObject().userProperty(). This is
>    Arve> required since the convention in Qt is to designate a "user"
>    Arve> property of a widget for editing purposes (e.g., text() for
>    Arve> QLineEdit). Now that I've explained my use case, how can I
>    Arve> can define such a property in PyQt :)
>
> I know only QDataWidgetMapper that looks for the user prop but just
> when the property name isn't specified in the binding operation.
> However, i think since pyqt 4.4.4, the pyqtproperty decorator has a
> parameter for it:
>
>  >>> from PyQt4.QtCore import pyqtProperty
>  >>> help(pyqtProperty)
>  Help on class pyqtProperty in module PyQt4.QtCore:
>
>  class pyqtProperty(__builtin__.property)
>   |  pyqtProperty(type, fget=None, fset=None, freset=None, fdel=None, doc=None
>   |               designable=True, scriptable=True, stored=True, user=False)
>   |               -> property attribute
>   |
>   |  type is the name of a C++ type that be passed to QVariant.nameToType().
>   |  freset is a function for resetting an attribute to its default value.
>   |  designable sets the DESIGNABLE flag (the default is True for writable
>   |  properties and False otherwise).
>   |  scriptable sets the SCRIPTABLE flag.
>   |  stored sets the STORED flag.
>   |  user sets the USER flag.
>   |  The other parameters are the same as those required by the standard Python
>   |  property type.  Properties defined using pyqtProperty behave as both Python
>   |  and Qt properties.
>
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