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BUG: in qt4 backend, ignore auto-repeat keyboard events. by efiring · Pull Request #86 · matplotlib/matplotlib · GitHub

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BUG: in qt4 backend, ignore auto-repeat keyboard events. #86

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Merged
efiring merged 1 commit into from
Apr 18, 2011
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BUG: in qt4 backend, ignore auto-repeat keyboard events. #86

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4 changes: 4 additions & 0 deletions CHANGELOG
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Original file line number Diff line number Diff line change
@@ -1,3 +1,7 @@
2011-04-17 Disable keyboard auto-repeat in qt4 backend by ignoring
key events resulting from auto-repeat. This makes
constrained zoom/pan work. - EF

2011-04-03 Fixed broken pick interface to AsteriskCollection objects
used by scatter. - EF

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6 changes: 6 additions & 0 deletions lib/matplotlib/backends/backend_qt4.py
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Original file line number Diff line number Diff line change
Expand Up @@ -207,11 +207,15 @@ def wheelEvent( self, event ):

def keyPressEvent( self, event ):
key = self._get_key( event )
if key is None:
return
FigureCanvasBase.key_press_event( self, key )
if DEBUG: print 'key press', key

def keyReleaseEvent( self, event ):
key = self._get_key(event)
if key is None:
return
FigureCanvasBase.key_release_event( self, key )
if DEBUG: print 'key release', key

Expand All @@ -236,6 +240,8 @@ def minumumSizeHint( self ):
return QtCore.QSize( 10, 10 )

def _get_key( self, event ):
if event.isAutoRepeat():
return None
if event.key() < 256:
key = str(event.text())
elif event.key() in self.keyvald:
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