[GRASS-dev] Re: [GRASS GIS] #1425: error in python _core.py from wxNVIZ

[GRASS GIS]

#1425: error in python _core.py from wxNVIZ
---------------------------+------------------------------------------------
 Reporter:  cmbarton       |       Owner:  grass-dev@…              
     Type:  defect         |      Status:  new                      
 Priority:  normal         |   Milestone:  7.0.0                    
Component:  wxGUI          |     Version:  svn-trunk                
 Keywords:  mouse, wxNVIZ  |    Platform:  Unspecified              
      Cpu:  Unspecified    |  
---------------------------+------------------------------------------------

Comment(by cmbarton):

 Some testing results.

 self.ReleaseMouse() is needed in order to be able to place a north arrow
 or scale bar with the mouse. Why is this? I inserted a self.HasCapture()
 command to test whether or not the window is somehow capturing the mouse,
 but it is not.

 The ReleaseMouse() command is to release the mouse following the
 CaptureMouse(). But I cannot see that the CaptureMouse() command has been
 issued anywhere. This is why ReleaseMouse() raises an error in the
 OnLeftUp mouse button handler.

 What is not at all clear is what ReleaseMouse() is doing to make the north
 arrow and scalebar placement possible. Any thoughts on this?

 Michael

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Ticket URL: <http://trac.osgeo.org/grass/ticket/1425#comment:5>
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