[PyQt] Delaying splash screen

[Nick Gaens]

The avoidable * imports Pete mentioned involve typing

from PyQt4 import QtGui

and then do:

> class Foo(QtGui.QLabel)


or


> from PyQt4.QtGui import QLabel

and then do:

> class Foo(QLabel)


Using one of the above causes not all modules to be loaded, whereas your *
imports actually does load all a lot of unrequired modules.


On Thu, Sep 8, 2011 at 00:32, Muhammad Bashir Al-Noimi <admin at mbnoimi.net>wrote:

>  On 07/09/2011 11:27 م, Hans-Peter Jansen wrote:
>
> On Wednesday 07 September 2011, 14:04:02 admin at mbnoimi.net wrote:
>
>  Hi guys,
>
>  I wrote a tiny class for delaying splash screen in C++ but when I
> tired to re-write it in python it didn't work!
>
>  I got "AttributeError TeSplashScreen object has no attribut QFrate"
> although TeSplashScreen inherited from QFrame
>
>  Could you please help me, I'm still a newbie in PyQt and Python.
>
>  tesplashscreen.py
>
> from PyQt4.QtCore import *
> from PyQt4.QtGui import *
>
>  Hmm, that * imports are easily avoided.
>
>  Thanks a lot Pete, You mean I don't need to use both import lines?
>
>
>   import sys
> class TeSplashScreen(QFrame):
>     """
>     Splash doc
>     """
>
>     app = QApplication(sys.argv)
>     sPixmap = QPixmap(10,  10)
>     sMessage = QString()
>     messages = ["nothing"]
>     sAlignment = 0
>     sColor = QColor()
>
>     def __init__(self,  pixmap):
>
>  You need to call the base class c'tor here, e.g.:
>
> 	  super(QFrame, self).__init__()
>
> Most of your code below has issues with missing self. references, which
> will result in access to undefined variables and instances, that are
> prematurely garbarge collected.
>
>  I did as you mentioned exactly.
> I got new issue because I don't know how can I use QStringList class, I
> read in some article that it's unavailable in PyQt so I tried to use python
> lists instead but I got an exception at for loop
>
> TypeError object of type int has no len()
>
> here's the modified class:
>
> from PyQt4.QtCore import *
> from PyQt4.QtGui import *
> import sys
> class TeSplashScreen(QFrame):
>     """
>     Splash doc
>     """
>
>     app = QApplication(sys.argv)
>     sPixmap = QPixmap(10,  10)
>     sMessage = QString()
> #    messages = ["nothing"
> ]
>     sAlignment = 0
>     sColor = QColor()
>
>     def __init__(self,  pixmap):
>         super(QFrame,  self).__init__()
>         self.sPixmap =  pixmap
>         self.setWindowFlags(Qt.FramelessWindowHint|Qt.WindowStaysOnTopHint)
>         self.setAttribute(Qt.WA_TranslucentBackground)
>         self.setFixedSize(self.sPixmap.size())
>
>     def clearMessage(self):
>         self.sMessage.clear()
>         self.repaint()
>
>     def showMessage(self,  theMessage, theAlignment, theColor):
>         self.sMessage  = theMessage
>         self.sAlignment = theAlignment
>         self.sColor  = theColor
>         self.repaint()
>
>     def paintEvent(self, pe):
>         aTextRect = QRect(self.rect())
>         aTextRect.setRect(aTextRect.x()+5, aTextRect.y()+5, aTextRect.width()-10, aTextRect.height()-10)
>         aPainter = QPainter(self)
>         aPainter.drawPixmap(self.rect(), self.sPixmap)
>         aPainter.setPen(self.sColor)
>         aPainter.drawText(aTextRect, self.sAlignment, self.sMessage)
>
>     def showSplash(self,  delay, messages, alignment, color):
>         delay = 0
> #        self.messages = messages
>         alignment = 0
>         color = QColor(color)
>
> class SleeperThread(QThread):
>             msecs = 0
>             QThread.msleep(msecs)
>         aSplashScreen = TeSplashScreen(self.sPixmap)
>         aSplashScreen.show
>         for i in range(len(messages)):
>             aSplashScreen.showMessage(messages[i], alignment, color)
>             SleeperThread.msleep(delay)
>
>
>
>
> -----
>
> Best Regards
> Muhammad Bashir Al-Noimi
> My Blog: http://mbnoimi.net
>
>
> _______________________________________________
> PyQt mailing list    PyQt at riverbankcomputing.com
> http://www.riverbankcomputing.com/mailman/listinfo/pyqt
>



-- 
Nick Gaens
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