[QScintilla] Command modifier problems on Mac OS X

David Hess dhess at fishsoftware.com
Mon May 4 03:45:35 BST 2009


I'm having trouble with QScintilla accepting Command keystrokes such  
as Command-C, Command-X, etc.

My system looks like:
     QScintilla 2.3.2
     PyQt4 4.4.4
     Qt 4.4.3
     Python 2.5.1
     Mac OS X 10.5.6

The following works around the problem somewhat (all letter based  
Command combinations work).

-----
import string

from PyQt4.QtCore import Qt
from PyQt4.QtCore import QString
from PyQt4.QtGui import QKeyEvent
from PyQt4.Qsci import QsciScintilla

class ViewerQsciScintilla(QsciScintilla):
     def keyPressEvent(self, event):
         if event.text() == "" and \
                 event.count() == 1 and \
                 int(event.modifiers()) != 0 and \
                 event.key() >= Qt.Key_A and \
                 event.key() <= Qt.Key_Z:
             new_text = QString(string.ascii_lowercase[event.key() -  
Qt.Key_A])
         else:
             new_text = event.text()

         new_event = QKeyEvent(event.type(), event.key(),  
event.modifiers(), new_text, event.isAutoRepeat(), event.count())
         QsciScintilla.keyPressEvent(self, new_event)

         if new_event.isAccepted():
             event.accept()
-----

The root of the problem appears to be that  
QsciScintillaBase::keyPressEvent expects event.text() to be set when a  
Command modifier is used and it's ending up a zero length string on my  
Mac.

Would be happy to work with someone to produce a real bug fix.

Dave




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