some tweaks

[wxWidgets.git] / wxPython / wx / lib / floatcanvas / FloatCanvas.py

diff --git a/wxPython/wx/lib/floatcanvas/FloatCanvas.py b/wxPython/wx/lib/floatcanvas/FloatCanvas.py
index 85b7c6794ac134ec0b48fa2b9fa6270e1fb21b23..5a9b74186c2fb63b1cda56b3a5334ddf125a59da 100644 (file)
--- a/wxPython/wx/lib/floatcanvas/FloatCanvas.py
+++ b/wxPython/wx/lib/floatcanvas/FloatCanvas.py
@@ -1630,8 +1630,9 @@ class ScaledTextBox(DrawObject, TextObjectMixin):
         ## If so, limit it. Would it be better just to not draw it?
         ## note that this limit is dependent on how much memory you have, etc.
         Size = min(Size, self.MaxFontSize)
-
-        dc.SetFont(self.SetFont(Size, self.Family, self.Style, self.Weight, self.Underline, self.FaceName))
+        
+        font = self.SetFont(Size, self.Family, self.Style, self.Weight, self.Underline, self.FaceName)
+        dc.SetFont(font)
         dc.SetTextForeground(self.Color)
         dc.SetBackgroundMode(wx.TRANSPARENT)
 
@@ -1881,7 +1882,7 @@ class FloatCanvas(wx.Panel):
 
         ## create the Hit Test Dicts:
         self.HitDict = None
-
+        self._HTdc = None
 
         self._DrawList = []
         self._ForeDrawList = []
@@ -1905,8 +1906,12 @@ class FloatCanvas(wx.Panel):
         self.ObjectUnderMouse = None
         
         # called just to make sure everything is initialized
-        self.OnSize(None)
-
+        # this is a bug on OS-X, maybe it's not required?
+        self.SizeTimer = wx.PyTimer(self.OnSizeTimer) # timer to give a delay when re-sizing so that bufferes aren't re-built too many times.
+        
+        self.InitializePanel()
+        self.MakeNewBuffers()
+        
         self.InHereNum = 0
 
         self.CreateCursors()
@@ -2130,7 +2135,7 @@ class FloatCanvas(wx.Panel):
             pass
 
     def LeftUpEvent(self,event):
-       if self.HasCapture():
+        if self.HasCapture():
             self.ReleaseMouse()
         if self.GUIMode:
             if self.GUIMode == "ZoomIn":
@@ -2306,15 +2311,25 @@ class FloatCanvas(wx.Panel):
         else:
            self._ForegroundHTdc = None 
     
-    def OnSize(self,event):
-        self.PanelSize  = array(self.GetClientSizeTuple(),Int32)
+    def OnSize(self, event=None):
+        self.InitializePanel()
+        self.SizeTimer.Start(50, oneShot=True)
+
+    def OnSizeTimer(self, event=None):
+        self.MakeNewBuffers()
+        self.Draw()
+
+    def InitializePanel(self):
+        self.PanelSize = self.GetClientSizeTuple()
+        if self.PanelSize == (0,0):
+            ## OS-X sometimes gives a Size event when the panel is size (0,0)
+            self.PanelSize = (2,2)
+        self.PanelSize  = array(self.PanelSize,  Int32)
         self.HalfPanelSize = self.PanelSize / 2 # lrk: added for speed in WorldToPixel
         if self.PanelSize[0] == 0 or self.PanelSize[1] == 0:
             self.AspectRatio = 1.0
         else:
             self.AspectRatio = float(self.PanelSize[0]) / self.PanelSize[1]
-        self.MakeNewBuffers()
-        self.Draw()
         
     def OnPaint(self, event):
         dc = wx.PaintDC(self)
@@ -2338,7 +2353,7 @@ class FloatCanvas(wx.Panel):
         animation, for instance.
         
         """
-        if sometrue(self.PanelSize < 1 ): # it's possible for this to get called before being properly initialized.
+        if sometrue(self.PanelSize <= 2 ): # it's possible for this to get called before being properly initialized.
             return
         if self.Debug: start = clock()
         ScreenDC =  wx.ClientDC(self)
@@ -2451,8 +2466,6 @@ class FloatCanvas(wx.Panel):
             pass
         else:
             raise FloatCanvasError('CoordType must be either "Panel", "Pixel", or "World"')
-
-        #print "shifting by:", shift
         
         self.ViewPortCenter = self.ViewPortCenter + shift 
         self.MapProjectionVector = self.ProjectionFun(self.ViewPortCenter)
@@ -2585,7 +2598,7 @@ class FloatCanvas(wx.Panel):
             self.BoundingBox = None
             self.ViewPortCenter= array( (0,0), Float)
             self.TransformVector = array( (1,-1), Float)
-            self.MapProjectionVector = array( (1,1), Float)                    
+            self.MapProjectionVector = array( (1,1), Float)
             self.Scale = 1        
         self.BoundingBoxDirty = False