Fix Version/s: None
DosBox 0.74.2 from rapps.
and everything down to at least
SVN r72748 is affected as well.
I know the issue since long time, unfortunately mentioned it just as a remaining thing in historic
CORE-11245. Imho it deserves its own ticket.
VBox4.3.12 + VBEMP + inbuilt Mesa
-set desktop resolution to 800x600 32bpp
-start DosBox main app (it will start windowed by default)
-Hit Alt+Enter, it will properly switch to fullscreen (side-note: leaving the taskbar visible)
-Release the Alt-Key (yes that's also necessary on Windows)
-Hit Alt+Enter again
It returns into windowed mode, and continues to draw content
Like Windows XP SP3 does. xpsp3_ok.webm
(Even minimizing/maximizing or moving the window offscreen will not fix it).