I've noticed a strange behaviour with filtering files and folders in mixed flat view.
For example, the following file structure:
Test folder
Test folder 1
Test folder 11
Test file 111.txt
Test folder 12
Test file 11.txt
Test folder 2
Test file 1.txt
Mixed flat view inside Test folder:
Test folder 1
Test folder 2
Test folder 1\Test folder 11
Test folder 1\Test folder 12
Test file 1.txt
Test folder 1\Test file 11.txt
Test folder 1\Test folder 11\Test file 111.txt
If I initiate filter (shift *)
"2"
Test folder 11
Test folder 1
Test folder 12
Test folder 2
Test file 2.txt
As expected.
If I turn on "Filter folders in Flat view"
"2"
Test folder 2
Test file 2.txt
I'd expect Test folder 12 to be displayed.
"11"
<empty list>
It looks like if "Filter folders in Flat view" is on, only first level folders and files are displayed.
That may be considered as a specific implementation and not a bug. However, if I filter with NOT filter (start with ~), everything works as expected.