[GRASS-dev] [GRASS GIS] #3502: v.proj location not set in dialog

[GRASS GIS]

#3502: v.proj location not set in dialog
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  Reporter:  balagates  |      Owner:  grass-dev@…
      Type:  defect     |     Status:  new
  Priority:  normal     |  Milestone:  7.2.4
 Component:  wxGUI      |    Version:  7.4.0
Resolution:             |   Keywords:  v.proj location
       CPU:  OSX/Intel  |   Platform:  MacOSX
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Comment (by balagates):

 I did a little searching in wxWidgets and wxPython to try understand the
 intentions of the wx.ComboBox events.  The only thing I found somewhat
 useful were comments in
 https://github.com/wxWidgets/wxPython/blob/master/demo/ComboBox.py that
 said

 * wx.EVT_COMBOBOX - When the user selects something.
 * wx.EVT_TEXT - Capture events every time the user hits a key in the text
 entry field.
 * wx.EVT_TEXT_ENTER - Capture events when the user types something into
 the control then hits ENTER.

 This functionality seems to match what I see on macOS.  The ComboBox
 implementation in wxWidgets for Linux GTK is complicated and appears to
 have compile or configuration options that affect how events are handled.
 I had difficulty following so I could not explain the behavior on Linux.

 For robustness I do not think I would depend solely on wx.EVT_TEXT
 messages being generated when a user selects a new value through the
 pulldown.

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Ticket URL: <https://trac.osgeo.org/grass/ticket/3502#comment:7>
GRASS GIS <https://grass.osgeo.org>