Add Controller Settings to menu

[KrahJohlito]

Pull Request checklist

Note: these are not necessarily requirements

• I reformatted the code with clang-format
• I checked to make sure my submission worked
• I am the author of submission or have permission from the original author
• Requires update of the PS2SDK
• Requires update of the gsKit
• Others (please specify below)

Pull Request description

Solves #401
Moved a couple pad specific settings to 'Controller Settings' and added a global option for pademu in there so people can pair their devices while using USB for games.. Seeing as pademu can be used in OPL GUI I have no issue having it here but I left per game also because I'm not sure if people disable it per game for games that don't work? I don't use pademu so idk..

Unlike other menus we need to reload the cfg upon entry since it can be changed in multiple locations.. so if changes are made, not saved and then re-enter the pademu menu the cfg will be reloaded and changes wiped..so make sure to save changes if you wanna keep em..

[uyjulian]

Looks good to me, code-wise

[KrahJohlito]

I'll just rebase the codacy commit

[J013k]

Finally we will have Controller Settings at the main menu:

For now I have two problems.

1. The first problem has been written at the second part of this pull request:
   Unlike other menus we need to reload the cfg upon entry since it can be changed in multiple locations.. so if changes are made, not saved and then re-enter the pademu menu the cfg will be reloaded and changes wiped..so make sure to save changes if you wanna keep em.

After I will return without saving setting everything resets:

2. I have an issue with getting to work via Bluetooth.
   Everything is fine when I have my DS3 controller connected via USB.
   When I pair a USB Bluetooth adapter with a DS3 controller mac address seems to match:
   
   Once I disconnect a USB cable from a PS2, DS3 does not seem to work (it only flashes like it was looking for a paired device (receiver)).
   I have also tried to pair, save settings and disconnect a cable but it also does not work:
   

Here is what my USB Bluetooth adapter supports:

[KrahJohlito]

1. is.. tricky, both per game and global actually use the same variables in the code which aren't always in scope within the gui.. so we can't rely on just getting the values from the gui like we can with other menus because we don't know whether they are for per game or global.. that's why I've got it reloading the config upon entry that way we can be sure the values are for global.. Possible solutions I can currently think of I don't really like and would rather keep it as is in this PR.

2. Isn't related to this PR but if I recall correctly Maximus32 has a fix for this but held it back due to modular pademu.. doesn't look like that is being worked on anymore (at least atm) so just give him some time and maybe he'll open a PR for it when he can, if he doesn't have time I'm sure he wouldn't mind a cherry-pick in the furture.

[AKuHAK]

Not quite sure what is currently wrong with this PR? It uses only global settings and ignores per game settings? If it is the only issue, then this PR can be merged, @KrahJohlito ?

[KrahJohlito]

I’m not actually sure tbh, as with my other pr I think it’s fine as is :-p .. @J013k am I correct that 2) isn’t a new issue brought on by this pull request?

Other than that I don’t think he likes that the config is reloaded upon entering the menu, this is because the menu is in two places at once one using pergame & global and the other only global but it all uses the same code to avoid duplication.. I suppose some variables could possibly be duplicated as global but idk I really haven’t thought about it since I opened this..

I could possibly revisit it when I get back but that won’t be anytime soon, using laptop and having no ps2 to test is too much hassle.. personally I think it’s fine though.

[AKuHAK]

Now this PR has merge conflicts

[uyjulian]

I'll rebase this myself later

[J013k]

@KrahJohlito I have tested recent OPL-v1.1.0-Beta-1701-d0e816f.ELF & OPL-v1.1.0-Beta-1703-4c44ccd.ELF
and I have the same problem (number 2) with Bluetooth, so this issue was not brought by this PR.

As for number 1, if something can be done in this matter it will be great.
If not, I think that at least in the future (a new PR maybe?) it can be fixed...

So to sum up:
I really like that finally we can also have this option in a separate menu.

Best regards.