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<p>Hi, David. Thank you so much for you response.</p>
<p>I took a look on the AnalogClock example. It is very simple and helped me understanding some useful concepts, but the custom label remains fronzen inside QtDesigner.</p>
<p>I cannot see errors related to the QThread usage on it (I will attach the plugin codes).<br>
</p>
<p>I have the C++ plugin code, it is the QELabel of EpicsQt Framework which is available here:
<a id="LPlnk397283" href="https://sourceforge.net/projects/epicsqt/" class="OWAAutoLink">
https://sourceforge.net/projects/epicsqt/</a></p>
<p><span>I investigated it but could not understand how the variable associated with QELabel is received and updated. If someone wants to take a look on it, feel free. :)</span></p>
<p><br>
<span></span></p>
<p><span>Well, I will try to make the GUI designer tool in another way: once Qt Designer cannot execute the interface with my plugins, I will code this functionality.</span></p>
<p><span>I will get the .ui file as input to a code generator. The output is a .py to execute the application. I think it is possible because the .ui and the application code have a pattern (it can be seen in many Designer tutorials) and no additional code
will be needed after that. Suggestions about this are also welcome.</span></p>
<p><span><br>
</span></p>
<p><span>Now I have another question: besides the widgets plugins, is it possible to make customized plugins for Designer that add functionalities to it (e.g.: an option to generate an application and run it as I am going to do)?</span></p>
<p><span>There are many classes for plugins in QtDesigner module of PyQt5, but not sure if they can do it and how.<br>
</span></p>
<p><br>
</p>
<p>Thank you for the attention.<br>
</p>
<p></p>
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<a target="_blank" href="https://sourceforge.net/projects/epicsqt/" style="display: table-cell; text-align: center;" id="LPImageAnchor_14709305358020.34805643987838253"><img id="LPThumbnailImageID_14709305358020.0766031406945491" aria-label="Preview image with link selected. Double-tap to open the link." style="display: inline-block; max-width: 250px; max-height: 250px; height: 48px; width: 48px; border-width: 0px; vertical-align: bottom;" height="48" width="48" src="https://a.fsdn.com/allura/p/epicsqt/icon"></a></div>
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<a target="_blank" href="https://sourceforge.net/projects/epicsqt/" style="text-decoration: none;" id="LPUrlAnchor_14709305358040.8263343304617486">EPICS Qt Framework download | SourceForge.net</a></div>
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sourceforge.net</div>
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EPICS Qt Framework download. EPICS Qt Framework 2016-07-31 03:40:26.214000 free download. EPICS Qt Framework Qt based GUI system for use on EPICS control ...</div>
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<p><span style="color:rgb(117,123,128); font-family:Consolas,monospace"><b><u></u><span style="color:rgb(0,111,201)">Laís Pessine do Carmo</span></b><br>
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<div id="x_divRplyFwdMsg" dir="ltr"><font style="font-size:11pt" face="Calibri, sans-serif" color="#000000"><b>From:</b> PyQt <pyqt-bounces@riverbankcomputing.com> on behalf of David Boddie <david@boddie.org.uk><br>
<b>Sent:</b> Saturday, August 6, 2016 8:40 AM<br>
<b>To:</b> pyqt@riverbankcomputing.com<br>
<b>Subject:</b> Re: [PyQt] Responsive thead in preview mode in Qt Designer</font>
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<div class="PlainText">On Fri, 5 Aug 2016 18:19:08 +0000, Lais P. Carmo wrote:<br>
<br>
> Now I need the custom label to be responsive when one enters the preview<br>
> mode, in other words, with its text updating every second. However the<br>
> updates doesn't occur, the text keeps fronzen, except when I move/resize<br>
> the custom label in the edit mode (or anything that forces the Designer to<br>
> update its entire GUI).<br>
> <br>
> Recently I used a Designer plugin that does exactly the same thing, but its<br>
> written in C++. I need to have this effect in Python.<br>
<br>
I don't remember if Designer informs the plugin that it wants the widgets to<br>
be created for use in a preview, so there may not be a way of knowing that.<br>
<br>
It may be that one of the PyQt examples can give you some ideas. The analog<br>
clock plugin uses a timer, not a thread, but perhaps it can help you diagnose<br>
what is going wrong.<br>
<br>
If you have the source code for the C++ plugin, it may be possible to convert<br>
it to Python. Ask if you need help with that.<br>
<br>
David<br>
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