[PyKDE] QAssistantClient and PyQt
Phil Thompson
phil at riverbankcomputing.co.uk
Wed Jun 4 20:39:00 BST 2003
On Wednesday 04 June 2003 6:01 pm, Peter Kropf wrote:
> I'm a bit confused about a problem that I'm having when using
> QAssistantClient from a Python program. Here's a snippet of the code that
> I'm using to test things out.
>
> import sys
> from qt import *
>
> class LaunchButton( QPushButton ):
> def __init__( self, *args ):
> apply( QPushButton.__init__, (self,) + args )
> self.setText( "Launch" )
>
>
> class TheWindow( QMainWindow ):
> def __init__( self, *args ):
> apply( QMainWindow.__init__, (self,) + args )
>
> self.button=LaunchButton( self )
> self.setCentralWidget( self.button )
> self.connect( self.button, SIGNAL( "clicked()" ), self.BeenClicked
> )
>
> self.qac = QAssistantClient( '' )
> self.connect( self.qac, SIGNAL( "destroyed()" ),
> self.qacDestroyed )
> self.connect( self.qac, SIGNAL( "assistantOpened()" ),
> self.qacOpened )
> self.connect( self.qac, SIGNAL( "assistantClosed()" ),
> self.qacClosed )
> self.connect( self.qac, SIGNAL( "error()" ),
> self.qacError )
>
> self.toggle = True
>
> def qacDestroyed( self ):
> print 'qacDestroyed'
>
> def qacOpened( self ):
> print 'qacOpened'
>
> def qacClosed( self ):
> print 'qacClosed'
>
> def qacError( self ):
> print 'qacError'
>
> def BeenClicked( self ):
> if self.toggle:
> page = '/tools/qt/doc/html/assistant.html'
> self.toggle = False
> else:
> page = '/tools/qt/doc/html/assistant-4.html#3'
> self.toggle = True
> print 'Been clicked: ' + page
> self.qac.showPage( page )
>
>
> def main(args):
> app=QApplication( args )
>
> win=TheWindow( )
> win.show( )
>
> app.connect( app, SIGNAL( "lastWindowClosed()" ), app, SLOT( "quit()" )
> )
> app.exec_loop()
>
>
> if __name__=="__main__":
> main( sys.argv )
>
>
> My problem occurs when connecting the error signal to a slot. At runtime, I
> receive these messages:
>
> QObject::connect: No such signal QAssistantClient::error()
> QObject::connect: (sender name: 'unnamed')
> QObject::connect: (receiver name: 'unnamed')
>
> But when I look through the QAssistantClient.cpp and
> sipqtQAssistantClient.cpp code, the error signal looks to be defined the
> same way the destroyed, assistantOpened and assistantClosed signals. What
> am I missing?
The signal's argument, ie. SIGNAL("error(const QString &)").
Phil
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