-        bitmap = wx.Image(doc.GetFilename()).ConvertToBitmap()
-        self._ctrl = wx.StaticBitmap(panel, -1, bitmap, (0,0), (bitmap.GetWidth(), bitmap.GetHeight()))
-        panel.SetClientSize(bitmap.GetSize())
+        self._bitmap = wx.Image(doc.GetFilename()).ConvertToBitmap()
+        self._ctrl = wx.StaticBitmap(panel, -1, self._bitmap, (0,0), (self._bitmap.GetWidth(), self._bitmap.GetHeight()))
+        wx.EVT_LEFT_DOWN(self._ctrl, self.OnFocus)
+        wx.EVT_LEFT_DCLICK(self._ctrl, self.OnFocus)
+        wx.EVT_RIGHT_DOWN(self._ctrl, self.OnFocus)
+        wx.EVT_RIGHT_DCLICK(self._ctrl, self.OnFocus)
+        wx.EVT_MIDDLE_DOWN(self._ctrl, self.OnFocus)
+        wx.EVT_MIDDLE_DCLICK(self._ctrl, self.OnFocus)
+        panel.SetClientSize(self._bitmap.GetSize())