g toggle grid

jdh2358 · jdh2358 · commit ba95d5309843 · 2005-02-04T18:39:26.000Z
svn path=/trunk/matplotlib/; revision=926
diff --git a/CHANGELOG b/CHANGELOG
@@ -1,7 +1,10 @@
 New entries should be added at the top
 
-2005-02-05 Added some support for handling log switching for lines
-           that have nonpos data - JDH
+2005-02-05 Added some default key press events to pylab figures: 'g'
+           toggles grid
+
+ 2005-02-05 Added some support for handling log switching
+for lines that have nonpos data - JDH
 
 2005-02-04 Added Nadia's contour patch - contour now has matlab
            compatible syntax; this also fixed an unequal sized contour
diff --git a/lib/matplotlib/backend_bases.py b/lib/matplotlib/backend_bases.py
@@ -796,6 +796,8 @@ def __init__(self, canvas, num):
         self.canvas = canvas
         self.num = num
 
+        self.canvas.mpl_connect('key_press_event', self.toggle_grid)
+        
     def clf(self):
         'clear the figure'
         verbose.report_error('Deprectated; use fig.clf() instead')
@@ -805,6 +807,12 @@ def clf(self):
     def destroy(self):
         pass
 
+    def toggle_grid(self, event):
+        if event.inaxes is None: return
+        if event.key != 'g': return 
+        event.inaxes.grid()
+        self.canvas.draw()
+        
 # cursors
 class Cursors:  #namespace
     HAND, POINTER, SELECT_REGION, MOVE = range(4)
