293         xpos, ypos = self.GetScrollPos(wx.HORIZONTAL), self.GetScrollPos(wx.VERTICAL)

   293         if self.GetDrawingMode() == FREEDRAWING_MODE:

   294         xmax = self.GetScrollRange(wx.HORIZONTAL) - self.GetScrollThumb(wx.HORIZONTAL)

   294             Viewer.OnChar(self, event)

   295         ymax = self.GetScrollRange(wx.VERTICAL) - self.GetScrollThumb(wx.VERTICAL)

   295         else:

   296         keycode = event.GetKeyCode()

   296             xpos, ypos = self.GetScrollPos(wx.HORIZONTAL), self.GetScrollPos(wx.VERTICAL)

   297         if self.Scaling:

   297             xmax = self.GetScrollRange(wx.HORIZONTAL) - self.GetScrollThumb(wx.HORIZONTAL)

   298             scaling = self.Scaling

   298             ymax = self.GetScrollRange(wx.VERTICAL) - self.GetScrollThumb(wx.VERTICAL)

   299         else:

   299             keycode = event.GetKeyCode()

   300             scaling = (8, 8)

   300             if self.Scaling:

   301         if keycode == wx.WXK_DELETE and self.SelectedElement:

   301                 scaling = self.Scaling

   302             self.SelectedElement.Delete()

   302             else:

   303             self.SelectedElement = None

   303                 scaling = (8, 8)

   304             self.RefreshBuffer()

   304             if keycode == wx.WXK_DELETE and self.SelectedElement:

   305             self.RefreshScrollBars()

   305                 self.SelectedElement.Delete()

   306             self.Refresh(False)

   306                 self.SelectedElement = None

   307         elif keycode == wx.WXK_LEFT:

   308             if event.ControlDown() and event.ShiftDown():

   309                 self.Scroll(0, ypos)

   310             elif event.ControlDown():

   311                 event.Skip()

   312             elif self.SelectedElement:

   313                 self.SelectedElement.Move(-scaling[0], 0)

   314                 self.SelectedElement.RefreshModel()

   317                 self.RefreshRect(self.GetScrolledRect(self.SelectedElement.GetRedrawRect(-scaling[0], 0)), False)

   309                 self.Refresh(False)

   318         elif keycode == wx.WXK_RIGHT:

   310             elif keycode == wx.WXK_LEFT:

   319             if event.ControlDown() and event.ShiftDown():

   311                 if event.ControlDown() and event.ShiftDown():

   320                 self.Scroll(xmax, ypos)

   312                     self.Scroll(0, ypos)

   321             elif event.ControlDown():

   313                 elif event.ControlDown():

   314                     event.Skip()

   315                 elif self.SelectedElement:

   316                     self.SelectedElement.Move(-scaling[0], 0)

   317                     self.SelectedElement.RefreshModel()

   318                     self.RefreshBuffer()

   319                     self.RefreshScrollBars()

   320                     self.RefreshRect(self.GetScrolledRect(self.SelectedElement.GetRedrawRect(-scaling[0], 0)), False)

   321             elif keycode == wx.WXK_RIGHT:

   322                 if event.ControlDown() and event.ShiftDown():

   323                     self.Scroll(xmax, ypos)

   324                 elif event.ControlDown():

   325                     event.Skip()

   326                 elif self.SelectedElement:

   327                     self.SelectedElement.Move(scaling[0], 0)

   328                     self.SelectedElement.RefreshModel()

   329                     self.RefreshBuffer()

   330                     self.RefreshScrollBars()

   331                     self.RefreshRect(self.GetScrolledRect(self.SelectedElement.GetRedrawRect(scaling[0], 0)), False)

   332             elif keycode == wx.WXK_UP:

   333                 if event.ControlDown() and event.ShiftDown():

   334                     self.Scroll(xpos, 0)

   335                 elif event.ControlDown():

   336                     event.Skip()

   337                 elif self.SelectedElement:

   338                     self.SelectedElement.Move(0, -scaling[1])

   339                     self.SelectedElement.RefreshModel()

   340                     self.RefreshBuffer()

   341                     self.RefreshScrollBars()

   342                     self.RefreshRect(self.GetScrolledRect(self.SelectedElement.GetRedrawRect(0, -scaling[1])), False)

   343             elif keycode == wx.WXK_DOWN:

   344                 if event.ControlDown() and event.ShiftDown():

   345                     self.Scroll(xpos, ymax)

   346                 elif event.ControlDown():

   347                     event.Skip()

   348                 elif self.SelectedElement:

   349                     self.SelectedElement.Move(0, scaling[1])

   350                     self.SelectedElement.RefreshModel()

   351                     self.RefreshBuffer()

   352                     self.RefreshScrollBars()

   353                     self.RefreshRect(self.GetScrolledRect(self.SelectedElement.GetRedrawRect(0, scaling[1])), False)

   354             else: