Revision: 7250
http://matplotlib.svn.sourceforge.net/matplotlib/?rev=7250&view=rev
Author: dsdale
Date: 2009-07-08 21:15:46 +0000 (Wed, 08 Jul 2009)
Log Message:
-----------
improve resizing behavior of qt4 backend
Modified Paths:
--------------
trunk/matplotlib/CHANGELOG
trunk/matplotlib/lib/matplotlib/backends/backend_qt4.py
trunk/matplotlib/lib/matplotlib/backends/backend_qt4agg.py
Modified: trunk/matplotlib/CHANGELOG
===================================================================
--- trunk/matplotlib/CHANGELOG 2009-07-07 12:41:45 UTC (rev 7249)
+++ trunk/matplotlib/CHANGELOG 2009-07-08 21:15:46 UTC (rev 7250)
@@ -1,3 +1,7 @@
+2009-07-08 Attempt to improve performance of qt4 backend, do not call
+ qApp.processEvents while processing an event. Thanks Ole
+ Streicher for tracking this down - DSD
+
2009-06-24 Add withheader option to mlab.rec2csv and changed
use_mrecords default to False in mlab.csv2rec since this is
partially broken - JDH
@@ -2,3 +6,2 @@
-
2009-06-24 backend_agg.draw_marker quantizes the main path (as in the
Modified: trunk/matplotlib/lib/matplotlib/backends/backend_qt4.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/backends/backend_qt4.py 2009-07-07
12:41:45 UTC (rev 7249)
+++ trunk/matplotlib/lib/matplotlib/backends/backend_qt4.py 2009-07-08
21:15:46 UTC (rev 7250)
@@ -158,7 +158,6 @@
def resizeEvent( self, event ):
if DEBUG: print 'resize (%d x %d)' % (event.size().width(),
event.size().height())
- QtGui.QWidget.resizeEvent( self, event )
w = event.size().width()
h = event.size().height()
if DEBUG: print "FigureCanvasQtAgg.resizeEvent(", w, ",", h, ")"
@@ -167,20 +166,9 @@
hinch = h/dpival
self.figure.set_size_inches( winch, hinch )
self.draw()
+ self.update()
+ QtGui.QWidget.resizeEvent(self, event)
- def resize( self, w, h ):
- # Pass through to Qt to resize the widget.
- QtGui.QWidget.resize( self, w, h )
-
- # Resize the figure by converting pixels to inches.
- pixelPerInch = self.figure.dpi
- wInch = w / pixelPerInch
- hInch = h / pixelPerInch
- self.figure.set_size_inches( wInch, hInch )
-
- # Redraw everything.
- self.draw()
-
def sizeHint( self ):
w, h = self.get_width_height()
return QtCore.QSize( w, h )
Modified: trunk/matplotlib/lib/matplotlib/backends/backend_qt4agg.py
===================================================================
--- trunk/matplotlib/lib/matplotlib/backends/backend_qt4agg.py 2009-07-07
12:41:45 UTC (rev 7249)
+++ trunk/matplotlib/lib/matplotlib/backends/backend_qt4agg.py 2009-07-08
21:15:46 UTC (rev 7250)
@@ -61,9 +61,6 @@
self.replot = True
self.setAttribute(QtCore.Qt.WA_OpaquePaintEvent)
- def resizeEvent( self, e ):
- FigureCanvasQT.resizeEvent( self, e )
-
def drawRectangle( self, rect ):
self.rect = rect
self.drawRect = True
@@ -132,8 +129,6 @@
self.replot = True
FigureCanvasAgg.draw(self)
self.update()
- # Added following line to improve realtime pan/zoom on windows:
- QtGui.qApp.processEvents()
def blit(self, bbox=None):
"""
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