Fix "warning: operation on 'y' may be undefined".

[wxWidgets.git] / wxPython / wx / lib / ogl / _diagram.py

diff --git a/wxPython/wx/lib/ogl/_diagram.py b/wxPython/wx/lib/ogl/_diagram.py
index a89bda3e95b2a620130147fdd2e859cd42cde028..8e8f8347246b95412b4da1871a599d853b2bb1ee 100644 (file)
--- a/wxPython/wx/lib/ogl/_diagram.py
+++ b/wxPython/wx/lib/ogl/_diagram.py
@@ -82,9 +82,9 @@ class Diagram(object):
     def ShowAll(self, show):
         """Call Show for each shape in the diagram."""
         for shape in self._shapeList:
-            shape.Show()
+            shape.Show(show)
 
-    def DrawOutLine(self, dc, x1, y1, x2, y2):
+    def DrawOutline(self, dc, x1, y1, x2, y2):
         """Draw an outline rectangle on the current device context."""
         dc.SetPen(wx.Pen(wx.Color(0, 0, 0), 1, wx.DOT))
         dc.SetBrush(wx.TRANSPARENT_BRUSH)
@@ -118,6 +118,14 @@ class Diagram(object):
             return self._gridSpacing * int(x / self._gridSpacing + 0.5), self._gridSpacing * int(y / self._gridSpacing + 0.5)
         return x, y
 
+    def SetGridSpacing(self, spacing): 
+        """Sets grid spacing.""" 
+        self._gridSpacing = spacing 
+ 
+    def SetSnapToGrid(self, snap): 
+        """Sets snap-to-grid mode.""" 
+        self._snapToGrid = snap 
+
     def GetGridSpacing(self):
         """Return the grid spacing."""
         return self._gridSpacing