[SoC] GSoC 2021: Week 4: First steps towards a new GRASS GIS Single-Window GUI

[Linda Kladivová]

Hello everyone,




I am sending my Week 4 report (June 28 - July 2), you can also find it in 
the project wiki: https://trac.osgeo.org/grass/wiki/GSoC/2021/
SingleWindowLayout#Week4
(https://trac.osgeo.org/grass/wiki/GSoC/2021/SingleWindowLayout#Week4).





1) What did I complete this week?
Similarly as the last week, I focused on the GUI refactoring. I worked on 
the main refactoring PR (see [1]). In terms of the main Map Display I am 
done here. However, me and my mentors realized that these changes influence 
also other Map Frames - particularly g.gui.rdigit, d.mon, Map Swipe, Ground 
Control Point and IClass frame.

There were two possible ways how to proceed. First, I started with the 
statusbars for all the frames that we need newly to be created based on wx.
Statubar widget (see [2]​(https://github.com/OSGeo/grass/pull/1689)). Then 
we came up with another concept, namely delegating methods using 
metaprogramming. Although this path seemed cheap at first (we talked about 
it very intensively on videocall on Wednesday), after a few hours of 
studying, we came to the conclusion that it is inappropriate in our case. 
And this decision subsequently opened PR [2] again
(https://github.com/OSGeo/grass/pull/1689). 

Meantime, I also discovered the bug related to hiding statusbar and 
toolbars. Hiding does not work properly for above-mentioned map frames as e.
g. Map Swipe. I set up the issue [3]. 

To sum it up, this week was not so productive in terms of code, but key in 
determining what to do next and especially how.




2) What am I going to achieve for next week?
In the next step, the focus will be on the completion of PR ​https://github.
com/OSGeo/grass/pull/1689(https://github.com/OSGeo/grass/pull/1689), which 
will then allow the completion of the large PR ​​https://github.com/OSGeo/
grass/pull/1675(https://github.com/OSGeo/grass/pull/1675).




3) Is there any blocking issue?
No, it is not. However, as I have already mentioned I am on holiday from 
Saturday to Tuesday.

I am looking forward to new energy coming after the rest. :-) 





[1] https://github.com/OSGeo/grass/pull/1675
(https://github.com/OSGeo/grass/pull/1675)

[2] https://github.com/OSGeo/grass/pull/1689
(https://github.com/OSGeo/grass/pull/1689)

[3] https://github.com/OSGeo/grass/issues/1691
(https://github.com/OSGeo/grass/issues/1691)




Any suggestions are welcome.


Best wishes,
Linda Kladivova
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