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List: pykde
Subject: [PyQt] Drop to QTDesigner using PyQt4 problem
From: Mathias.MAZEL () akka ! eu
Date: 2015-11-09 17:04:27
Message-ID: OFE07BE6D3.6F709048-ONC1257EF8.005DCABB-C1257EF8.005DCAC0 () akka ! eu
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<font face="Default Sans Serif,Verdana,Arial,Helvetica,sans-serif" \
size="2"><div><span style="font-family: monospace, 'Courier New', Courier, monospace; \
font-size: 12.8px;">Using PyQt4 + QT4.8.4, I'd like to drop (external) textual \
content to a widget defined as a PyQt4 plugin in QtDesigner</span></div><div><font \
face="monospace, Courier New, Courier, monospace"><br></font></div><div><font \
face="monospace, Courier New, Courier, monospace">I use two python classes \
:</font></div><div><font face="monospace, Courier New, Courier, monospace">- \
widgetlabelplugin.py inherited from \
QPyDesignerCustomWidgetPlugin</font></div><div><font face="monospace, Courier New, \
Courier, monospace">- widgetlabel.py inherited from QLabel</font></div><div><font \
face="monospace, Courier New, Courier, monospace"><br></font></div><div><font \
face="monospace, Courier New, Courier, monospace">Overriding the dropEvent in \
(widgetlabel.py), I'm able to retrieve "external textual content" and to set _model \
property.</font></div><div><font face="monospace, Courier New, Courier, \
monospace"><br></font></div><div><font face="monospace, Courier New, Courier, \
monospace">I do the following steps :</font></div><div><font face="monospace, Courier \
New, Courier, monospace">1 - Launch designer bu previously setting PYQTDESIGNERPATH \
to the .py path</font></div><div><font face="monospace, Courier New, Courier, \
monospace">2 - Create a dialog without button</font></div><div><font face="monospace, \
Courier New, Courier, monospace">3 - Drop a PyGMT/ WiddgetLabel on the \
dialog</font></div><div><font face="monospace, Courier New, Courier, monospace">4 - \
Drop a "textual content" (from notepad) to the widgetlabel \
label</font></div><div><font face="monospace, Courier New, Courier, monospace"> \
-> at this step, the label is updated on the dialog but not on the properties \
browser on the right</font></div><div><font face="monospace, Courier New, Courier, \
monospace">5 - Save Dialog from Qt designer tool bar </font></div><div><font \
face="monospace, Courier New, Courier, monospace"> -> ui file doesn't \
contain any "textual content" neither for QLabel/text, nor \
WidgetLabel/model</font></div><div><font face="monospace, Courier New, Courier, \
monospace">6 - In Qt designer, If I select dialog background and reselect \
WidgetLabel, properties are updated in the browser, they are still not saved if I \
save the ui !</font></div><div><font face="monospace, Courier New, Courier, \
monospace"><br></font></div><div><font face="monospace, Courier New, Courier, \
monospace">Thanks for your help !</font></div><div><font face="monospace, Courier \
New, Courier, monospace"><br></font></div><div><font face="monospace, Courier New, \
Courier, monospace">----------------------------------------------------------------------------------</font></div><div><font \
face="monospace, Courier New, Courier, monospace">python class : \
widgetlabelplugin.py</font></div><div><font face="monospace, Courier New, Courier, \
monospace">----------------------------------------------------------------------------------</font></div><div><font \
face="monospace, Courier New, Courier, monospace"># A demonstration custom widget \
plugin for PROJECT Qt Designer.</font></div><div><font face="monospace, Courier New, \
Courier, monospace">from PyQt4 import QtGui, QtDesigner</font></div><div><font \
face="monospace, Courier New, Courier, monospace"><br></font></div><div><font \
face="monospace, Courier New, Courier, monospace">from widgetlabel import \
WidgetLabel</font></div><div><font face="monospace, Courier New, Courier, \
monospace"><br></font></div><div><font face="monospace, Courier New, Courier, \
monospace"># This class implements the interface expected by Qt Designer to access \
the</font></div><div><font face="monospace, Courier New, Courier, monospace"># custom \
widget. See the description of the \
QDesignerCustomWidgetInterface</font></div><div><font face="monospace, Courier New, \
Courier, monospace"># class for full details.</font></div><div><font face="monospace, \
Courier New, Courier, monospace">class \
WidgetLabelPlugin(QtDesigner.QPyDesignerCustomWidgetPlugin):</font></div><div><font \
face="monospace, Courier New, Courier, monospace"><br></font></div><div><font \
face="monospace, Courier New, Courier, monospace"> # Initialise the \
instance.</font></div><div><font face="monospace, Courier New, Courier, \
monospace"> def __init__(self, parent=None):</font></div><div><font \
face="monospace, Courier New, Courier, monospace"> \
super(WidgetLabelPlugin, self).__init__(parent)</font></div><div><font \
face="monospace, Courier New, Courier, monospace"><br></font></div><div><font \
face="monospace, Courier New, Courier, monospace"> \
self._initialized = False</font></div><div><font face="monospace, Courier New, \
Courier, monospace"><br></font></div><div><font face="monospace, Courier New, \
Courier, monospace"> # Initialise the custom widget for use with the \
specified formEditor</font></div><div><font face="monospace, Courier New, Courier, \
monospace"> # interface.</font></div><div><font face="monospace, Courier \
New, Courier, monospace"> def initialize(self, \
formEditor):</font></div><div><font face="monospace, Courier New, Courier, \
monospace"> if self._initialized:</font></div><div><font \
face="monospace, Courier New, Courier, monospace"> \
return</font></div><div><font face="monospace, Courier New, Courier, \
monospace"><br></font></div><div><font face="monospace, Courier New, Courier, \
monospace"> self._initialized = \
True</font></div><div><font face="monospace, Courier New, Courier, \
monospace"><br></font></div><div><font face="monospace, Courier New, Courier, \
monospace"> # Return True if the custom widget has been \
intialised.</font></div><div><font face="monospace, Courier New, Courier, \
monospace"> def isInitialized(self):</font></div><div><font \
face="monospace, Courier New, Courier, monospace"> return \
self._initialized</font></div><div><font face="monospace, Courier New, Courier, \
monospace"><br></font></div><div><font face="monospace, Courier New, Courier, \
monospace"> # Return a new instance of the custom widget with the given \
parent.</font></div><div><font face="monospace, Courier New, Courier, \
monospace"> def createWidget(self, parent):</font></div><div><font \
face="monospace, Courier New, Courier, monospace"> return \
WidgetLabel(parent)</font></div><div><font face="monospace, Courier New, Courier, \
monospace"><br></font></div><div><font face="monospace, Courier New, Courier, \
monospace"> # Return the name of the class that implements the custom \
widget.</font></div><div><font face="monospace, Courier New, Courier, \
monospace"> def name(self):</font></div><div><font face="monospace, \
Courier New, Courier, monospace"> return \
"WidgetLabel"</font></div><div><font face="monospace, Courier New, Courier, \
monospace"><br></font></div><div><font face="monospace, Courier New, Courier, \
monospace"> # Return the name of the group to which the custom widget \
belongs. A new</font></div><div><font face="monospace, Courier New, Courier, \
monospace"> # group will be created if it doesn't already \
exist.</font></div><div><font face="monospace, Courier New, Courier, \
monospace"> <span id="e-$new-1-bodyrich-editor-misspell-256" \
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