The diff file isn't working.I'm getting the errors

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error: blender/windowmanager/intern/wm_cursors.c: No such file or directory
error: blender/windowmanager/wm_cursors.h: No such file or directory

We need a review to be sure we don't break or missing anything.

Later, we should probably add an option to completely hide the cursor, if you are using a direct input device, such as a Cintiq or iPad Pro, or other similar devices for input.

Yes, to have this option is mandatory... implement the parameter is easy, but some changes are required to hide always the cursor (I guess in Ghost module).

Ony one concern, we would hide arrow only or all cursors? for example when scale, cut or anything that show a different cursor? maybe the solution would be hide any cursor in a predefined array.

Example in Windows:

@Antonio Vazquez (antoniov) Well yes, if you use a Cintiq/iPad Pro style device, you have no use for the cursor at all, so it really should be a general thing.

The main issue is, I suppose, that if you accidentally enable this option when using a mouse, your cursor will disappear and it will be hard to re-enable it if there is no cursor :)

Ideally I suppose we should make it smart, so that it could somehow detect the input device, although that may not always be possible.

I think is possible detect if you have a tablet device connected, so the hide cursors only must work if this device type is detected.

In D5036#114743, @William Reynish (billreynish) wrote:

@Antonio Vazquez (antoniov) Well yes, if you use a Cintiq/iPad Pro style device, you have no use for the cursor at all, so it really should be a general thing.

The main issue is, I suppose, that if you accidentally enable this option when using a mouse, your cursor will disappear and it will be hard to re-enable it if there is no cursor :)

Ideally I suppose we should make it smart, so that it could somehow detect the input device, although that may not always be possible.

We could have it so you have a setting for mouse and an external input device so when you remove the external input device it goes back to the mouse setting.