fix for drawing correct gridlines even on scrolled positions (wxMac)

[wxWidgets.git] / wxPython / wx / lib / plot.py

diff --git a/wxPython/wx/lib/plot.py b/wxPython/wx/lib/plot.py
index b92577c769f30ee6d135cf27170d70c64f592b82..24daba08e218bcd36f52f13679069c3fd6982a20 100644 (file)
--- a/wxPython/wx/lib/plot.py
+++ b/wxPython/wx/lib/plot.py
@@ -630,8 +630,8 @@ class PlotCanvas(wx.Window):
 
     def SetEnableGrid(self, value):
         """Set True to enable grid."""
-        if value not in [True,False]:
-            raise TypeError, "Value should be True or False"
+        if value not in [True,False,'Horizontal','Vertical']:
+            raise TypeError, "Value should be True, False, Horizontal or Vertical"
         self._gridEnabled= value
         self.Redraw()
 
@@ -1228,8 +1228,15 @@ class PlotCanvas(wx.Window):
         # set length of tick marks--long ones make grid
         if self._gridEnabled:
             x,y,width,height= self._point2ClientCoord(p1,p2)
-            yTickLength= width/2.0 +1
-            xTickLength= height/2.0 +1
+            if self._gridEnabled == 'Horizontal':
+                yTickLength= width/2.0 +1
+                xTickLength= 3 * self.printerScale
+            elif self._gridEnabled == 'Vertical':
+                yTickLength= 3 * self.printerScale
+                xTickLength= height/2.0 +1
+            else:
+                yTickLength= width/2.0 +1
+                xTickLength= height/2.0 +1
         else:
             yTickLength= 3 * self.printerScale  # lengthens lines for printing
             xTickLength= 3 * self.printerScale