Yeah a similar code is at the bottom of my source, I just didn't copy it as
well as I didn't copy the imports I have. Problem still exists.
----- Original Message -----
From: niceguy...@gmail.com
To: rennn...@nem-pro.de
Date: 15.04.2013 13:05:12
Subject: Re: [PyQt] QMainWindow freezes
> make sure u have something like this when u call QMainwindow
>
> def main(argv):
>
> app = QtGui.QApplication(argv)
> yourMainWin = MainWindUI()
> yourMainWin.show()
> app.exec_()
>
> if __name__ == "__main__":
> sys.exit(main(sys.argv))
>
>
> On Mon, Apr 15, 2013 at 4:27 PM, <rennn...@nem-pro.de> wrote:
>
>> Hey guys,
>>
>> I have a problem with my project. First of all I want to describe what I'm
>> trying to create and after that I explain the problems I have.
>>
>> The project hooks all keyboard events that are done with the help of
>> "pyHook" (I know that sounds like hacking now, but the software will only
>> be used by myself). If specific keys are pressed they will be added to a
>> dictionary which contains information about the time, when the key was
>> pressed. Furthermore I wrote a GUI with the help of pyQt, which should
>> display the difference between the current time and the time, when the key
>> was pressed (more or less a timer that). To keep the displayed time
>> difference up-to-date I have a infinite QTimer which call a function that
>> recalculates the difference and display it in a QLabel. Here's my
>> sourcecode:
>>
>> class KeyboardHook(threading.Thread):
>> def __init__(self):
>> threading.Thread.__init__(self)
>> self.start()
>>
>> def OnKeyboardEvent(self, event):
>> key = event.Key
>> if key in ('F1', 'F2', 'F3', 'F4', 'F5', 'F6', 'F7', 'F8', 'F9',
>> 'F10'):
>> gui.OnAddKey(key)
>> return True
>>
>> def run(self):
>> hookManager = pyHook.HookManager()
>> hookManager.KeyDown = self.OnKeyboardEvent
>> hookManager.HookKeyboard()
>> pythoncom.PumpMessages()
>>
>> class GUI(QtGui.QMainWindow):
>> def __init__(self):
>> QtGui.QMainWindow.__init__(self)
>> self.resize(460,276)
>> self.setWindowTitle('LoL Timer')
>>
>> # Add KeyboardHook
>> self.keyboardHook = KeyboardHook()
>>
>> # Timers
>> self.timers = {}
>>
>> # Timer
>> self.timer = QtCore.QTimer();
>> QtCore.QObject.connect(self.timer, QtCore.SIGNAL("timeout()"),
>> self.OnUpdate)
>> self.timer.start(100)
>>
>> # Textsfields
>> self.textfields = {}
>> for i in xrange(1, 11):
>> tmp = QtGui.QLabel(QtCore.QString('-'), self)
>>
>> if i % 2 == 1:
>> tmp.move(30, 30 + ((i - 1)/ 2) * 40)
>> else:
>> tmp.move(230, 30 + ((i - 1)/ 2) * 40)
>> self.textfields['F%s' %(i)] = tmp
>>
>> def OnAddKey(self, key):
>> if key in self.timers:
>> del self.timers[key]
>> else:
>> self.timers[key] = time.time()
>>
>> def OnUpdate(self):
>> for i in ('F1', 'F2', 'F3', 'F4', 'F5', 'F6', 'F7', 'F8', 'F9',
>> 'F10'):
>> try:
>>
>> self.textfields[i].setText(QtCore.QString(str(self.timers[i])))
>> except:
>> self.textfields[i].setText(QtCore.QString('-'))
>>
>> The problem I've got: Sometimes I press one of the specific keys the GUI
>> freezes. First I thought about a problem with the different threads, trying
>> to access the same variable at one time. But when I changed the OnUpdate
>> function to
>>
>> def OnUpdate(self):
>> for i in ('F1', 'F2', 'F3', 'F4', 'F5', 'F6', 'F7', 'F8', 'F9',
>> 'F10'):
>> test = self.timers[i]
>> try:
>> pass
>> except:
>> pass
>>
>> the GUI never freezed (of course it did not update the timers). The
>> variables that are accessed are the same, so I think the threads are not
>> the problem.
>>
>> Do you have any idea, what I'm doing wrong? Or is my whole concept of
>> writing this software wrong?
>>
>> Thanks in advance.
>>
>>
>> Rennnyyy
>>
>>
>> PS: The software is designed for helping me in a game, where I need
>> accurate timers. That's why I need a global keyboard hook, to get key
>> events even if my software has not the main focus.
>>
>>
>>
>>
>> _______________________________________________
>> PyQt mailing list PyQt@riverbankcomputing.com
>> http://www.riverbankcomputing.com/mailman/listinfo/pyqt
>>
>
>
>
> --
> **
>
> [image: San's personal blog] <http://feeds.feedburner.com/SanLuthraBlog>
>
> *
> *
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