[SoC] GSoC 2021: Week 2: First steps towards a new GRASS GIS Single-Window GUI

[Linda Kladivová]

Hello everyone,




I am sending my Week 2 report (June 14 - June 20), you can also find it in 
the project wiki: https://trac.osgeo.org/grass/wiki/GSoC/2021/
SingleWindowLayout#Week2
(https://trac.osgeo.org/grass/wiki/GSoC/2021/SingleWindowLayout#Week2).





What did I complete during the second week?
I focused on the GUI refactoring. In order to add Map Display to the 
notebook widget, we need to have it in the form of wx.Panel. I divided the 
work into several steps: 

   * I changed the way of creating the Map Display status bar (which is now 
   independent of the parent widget) [1]. However, this PR caused the bug 
   related to the workspace saving [2] which I corrected ASAP [3]. 
   

   * Meantime, I started more complex PR changing the way the Map Display is
   built (see ​(https://github.com/OSGeo/grass/pull/1656)[4]). The core lies
   in adding the intermediate wx.Panel widget. This PR aims at more general 
   Map Display refactoring, do not change the code in the Single-Window 
   parallel environment - adapting the S-W GUI is planned to be another step
   forward.
   

What am I going to achieve for next week?


   * I plan to finish the refactoring of Map Display related stuff (see [4])
   and utilize it in the Single-Window GUI environment. It will lead to a 
   new Map Display notebook widget (composed of wx.Panel Map Displays). This
   notebook will be then used as the content pane. 
   

Is there any blocking issue?

No, it is not.






[1] https://github.com/OSGeo/grass/pull/1646
(https://github.com/OSGeo/grass/pull/1646)

[2] https://github.com/OSGeo/grass/issues/1657
(https://github.com/OSGeo/grass/issues/1657)

[3] https://github.com/OSGeo/grass/pull/1665
(https://github.com/OSGeo/grass/pull/1665)

[4] ​https://github.com/OSGeo/grass/pull/1656
(https://github.com/OSGeo/grass/pull/1656)




Any suggestions are welcome. :-)


Best wishes,
Linda Kladivova
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