[Qgis-developer] cannot open Python plugin after update qgis from 1.7.3 to 1.7.4 under mac os x

[Luca Mandolesi]

A little change for a big problem for me.

Thanks Larry!!!

On Tue, May 22, 2012 at 7:46 PM, Larry Shaffer <larrys at dakotacarto.com>wrote:

> Hi Luca,
>
> On Tue, May 22, 2012 at 9:34 AM, Larry Shaffer <larrys at dakotacarto.com>wrote:
>
>> Hi Luca,
>>
>> (sorry if this is a double post - problems setting up mobile device)
>> On Tuesday, May 22, 2012, Luca Mandolesi wrote:
>>
>>> Hi,
>>> after I've updated qgis from 1.7.3 to 1.7.4 under mac os x, my plugin
>>> cannot be opened. The button of plugin appear but if I click above, nothing
>>> happen!
>>>
>>> What's the matter?
>>>
>>
>> This is a known issue with 1.7.4 [0] (though not really an issue with QGIS,
>> per se). The plugin may not launch because it still uses some Qt 3 code
>> for that operation (usually activated() instead of triggered() for
>> QAction connection signal).
>>
>> Which plugin?
>>
>> Larry
>>
>> [0]
>> http://osgeo-org.1560.n6.nabble.com/OSGEO4W-vs-Mac-OS-X-Qt-version-or-34-plugins-slightly-broken-tp4963580.html
>
>
> Sorry about the multiple emails earlier.
>
> Looks like your 'pyarchinit_plugin.py' file has 8 occurrences of
> activated() in the initGui() method. Try switching those signals to
> triggered(). You may want to check the rest of your plugin for any more Qt
> 3-only code.
>
> I believe this issue is not currently present on QGIS for Windows or
> Linux, because the standard Nokia Qt 4.4.x - 4.8.x distributions are
> compiled with -qt3support, which keeps support for ~580 Qt 3 bits of code
> in the compiled QtCore, QtGui, etc. modules. It's my understanding that Qt
> 5 will completely drop such Qt 3 support, however.
>
> Regards,
>
>
> Larry Shaffer
> Dakota Cartography
> Black Hills, South Dakota
>
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