Merge pull request matplotlib#3313 from eyurtsev/fix-minor-widgets-issues

tacaswell · tacaswell · commit 5be59abc086c · 2014-10-04T16:26:26.000-04:00
BUG : 3 fixes for widgets (MultiCrusor, SpanSelector, Slider)
diff --git a/lib/matplotlib/widgets.py b/lib/matplotlib/widgets.py
@@ -425,7 +425,7 @@ def set_val(self, val):
         self.poly.xy = xy
         self.valtext.set_text(self.valfmt % val)
         if self.drawon:
-            self.ax.figure.canvas.draw()
+            self.ax.figure.canvas.draw_idle()
         self.val = val
         if not self.eventson:
             return
@@ -1011,7 +1011,7 @@ def __init__(self, canvas, axes, useblit=True, horizOn=False, vertOn=True,
         self.background = None
         self.needclear = False
 
-        if useblit:
+        if self.useblit:
             lineprops['animated'] = True
 
         if vertOn:
@@ -1198,6 +1198,9 @@ def update_background(self, event):
 
     def ignore(self, event):
         """return *True* if *event* should be ignored"""
+        # If canvas was locked
+        if not self.canvas.widgetlock.available(self):
+            return True
         widget_off = not self.visible or not self.active
         non_event = event.inaxes != self.ax or event.button != 1
         return widget_off or non_event
