Compiler settings.
Left/right hand hotkeys (Q/E). Can open left/right hand menu without
cancelling current action. Can close left/right hand menus by cancel key
or left/right hand hotkeys.
Close screens by their hotkeys.
Autoclosing Next Turn screens by 0.5s timer.
Shows item info by hovering cursor over item.
Deselects item only if unload actually happened.
Closes inventory screen by it's hotkey.
Zoom globe by mousewheel anywhere on screen (except for left menu).
Render alternative hi-res geoscape background image if base resolution
is higher than default. Provided bg image is fit for base res of 540x270
(which is perfect for display resolutions with AR 16:9).