Replace yad and zenity dialog with fltk-dialog

[Momozor]

https://github.com/darealshinji/fltk-dialog

Yad and zenity applications that depends on gtk ui (gtk+3) seemingly consumes a significant amount of memory for just a tiny program.

Also, isn't it great to use a consistent set of widgets (FLTK) for default torios applications? (eg, volume, batteri, shutdown and restart, etc) and maybe, OBI's gui too?

Yes, we can use C++ & FLTK but there are many existing shell applications being written already by israeldahl and niowiklund.

I believe to rewrite them all over again into C++ & FLTK (unless they are trivial to implement) will consume a lot of time for debugging and testing.

So, why not just replace and modify the calls for yad/zenity to fltk-dialog instead?

[Israel Dahl (israeldahl)]

@faraco
I like this idea, but there are a few issues to consider.

1. can this do all the things we already do? Would rewriting the programs to use this justify not just rewriting them using C++?

2. tray dock icons. (the big issue here). Volume, and battery icons are handled by YAD (as well as their menus, etc...) so we need to use YAD OR write a FLTK tray dock indicator icon program.

So, I think making some simple FLTK programs to replace things would be really easy, and save on resources, but some programs probably just wont work without the complicated YAD/Zenity dialogs, unless fltk-dialog is nearly feature complete with those others...

[Momozor (momozor4-deactivatedaccount)]

@israeldahl

Hi again.

1. You got a point and for the long term, I also rather them being written in C++ for low resource consumption and execution speed. Anyway, opening up the opportunity for people to contribute desktop application code in Bash (not everyone know C++, and I certainly don't other than the very basics) while still using the same GUI toolkit (FLTK) might not be a bad idea either and IMHO useful for quickly prototyping simple GUIs in your shell without firing the FLUID designer and a code editor.

2. I've discussed a bit with the maintainer of fltk-dialog. He added yad --notification feature to the program. https://github.com/darealshinji/fltk-dialog/issues/1#issuecomment-412917503. I've tried on my local computer and it works well (and successfully imitates yad --notification fundamental).