Use properties for all outlets. Use correct references and update
function to load the xib.

This is available since 10.13 SDK.

One should not have such huge defines.

Both correctly check for NULL char* already.

This also adds a tad of debug bits for the future

macosx/prefs widgets: make sure no instance variable is accessed before self is set to the result of the super initializer

For now, this is not needed anymore as the dark mode is gone.

There is no modern counterpart as it is no longer needed within the new window server

This is needed for the OS dark mode

This leaves dark appearances in custom views as is to make them re-useable later

Fixes #17727

Note that out-of-rate position changes within VLC are not yet communicated to the OS

The i_visible_pitch is used to calculate GL_UNPACK_ROW_LENGTH and need to
correspond to the region one since textures are allocated from it.

refs #9056 #8413
ch01-20130719054942.avi
REC000.avi
MOVI0000.AVI