Re: [PyQt] PyQt application crashes on exit

[Tobias Ramos]

Well..
i cannot say if this is a Windows 7 issue... but seens to be.
the  same application hangs on Windows 7... but doesn´t hang in a windows xp
sp3
i using PyQt 4.7.2  and Python 2.6.5 and Qt 4.6.2 in both systems
windows 7 report an application crash seconds after its closed.
If i start the application through Eclipse, after exits the python process
keep in memory until forced to finish

trying to get through this too.

Tobias



On 8 April 2010 14:49, Alexander Serdyukov wrote:

> Hi,
>
> After I've installed PyQt 4.7.2 many of the samples I work with will
> repeatedly crash on exit.
>
> This would be the simplest example to reproduce this problem.
>
> import sys
> from PyQt4.QtGui import *
> app = QApplication(sys.argv)
> tree = QTreeWidget()
> item = QTreeWidgetItem(tree, ["item 1"])
> tree.show()
> app.exec_()
>
> I tried to download the latest snapshot
> (PyQt-win-gpl-snapshot-4.7.3-22b0acdb1b62.zip), but the problem is
> still here.
> This is what I have on my machine now:
> Windows 7 Professional 64-bit
> Python 3.1.2.3 (installed from ActivePython's msi package)
> Qt 4.6.2 installed from qt-sdk-win-opensource-2010.02.1.exe and built
> with Visual Studio 2005
> PyQt build from PyQt-win-gpl-snapshot-4.7.3-22b0acdb1b62.zip sources
>
> Am I doing something wrong?
>
> Thanks,
> Alex
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[PyQt] Closing MDI App hangs

[Tobias Ramos]

  hi all..

i have a MDI form who is the first in the aplication, when it loads he calls
for login or other functions..
i´ve olverloaded closeevent calling a QMessagebox, but the aplication doesnt
really close.. i can see in taskmanager a python aplication running.
the mainwindow has no parent and all other windows is child of this one.
So. What is the best way to close an application? or initiate an application
through mdi class is not the right path to follow?

-- closevent code
 def closeEvent(self, event):

reply = QMessageBox.question(self, 'Confirma',
"Fechar o aplicativo?", QMessageBox.Yes,QMessageBox.No)
if reply == QMessageBox.Yes:
self.mdi.closeAllWindows()
event.accept()
else:
event.ignore()

seconds after the windows report an application crash.

Tobias
Where the wild pão de queijo grows.
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[PyQt] Form keyPress

[Tobias Ramos]

Hi all,
  i tried without succes to found some examples or tips to identify keypress
in a form...
very simple as identify a down arrow or F2 F3 F4 keys and connect to any
function.. can someone give a help?

Thanks for your time.
Tobias Ramos
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[PyQt] difference between inits

[Tobias Ramos]

Hi all..i have some doubts about something is happening in my code. here is
it:

   w = window()
   f = QtCore.QFile(":/default.txt")
   f.open(QtCore.QIODevice.ReadOnly)
   model = TreeModel(QtCore.QString(f.readAll()))
   f.close()
   w.ui.lineEdit.setFocus()
   w.ui.treeView.setModel(model)
   w.show()

this works only in init code of application ex:

if __name__ == "__main__":
   app = QtGui.QApplication(sys.argv)
   w = window()
   f = QtCore.QFile(":/default.txt")
   f.open(QtCore.QIODevice.ReadOnly)
   model = TreeModel(QtCore.QString(f.readAll()))
   f.close()
   w.ui.lineEdit.setFocus()
   w.ui.treeView.setModel(model)
   w.show()
   sys.exit(app.exec_())

my question is.. why this not work:

class window(QtGui.QWidget,Ui_Form):

def __init__(self,parent=None):
QtGui.QWidget.__init__(self,parent)
self.ui = Ui_Form()
self.ui.setupUi(self)
self.connect(self.ui.pushButton, QtCore.SIGNAL("clicked()"),
self.populaCombo)
 f = QtCore.QFile(":/default.txt")
 f.open(QtCore.QIODevice.ReadOnly)
 model = TreeModel(QtCore.QString(f.readAll()))
 f.close()
self.ui.lineEdit.setFocus()
self.ui.treeView.setModel(model)

when i put on __init__ of inherited class even the file is read..
thanks in advance.

Tobias
Belo Horizonte
Brasil
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[PyQt] Adding Codes to UI

[Tobias Ramos]

HI all...

I'm starting in Pyqt and have look in some examples and open sources.. I've
noticed some people extend the class generated by pyui, putting your own
code.. but.. if the UI needs to be change?? or how can i add this code in
makefile??
is the right thing to do?

Thanks in advance.
Tobias
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