[Ohrrpgce] SVN: teeemcee/12090 Fix graphics editors not checking whether the mouse is active (over the

[subversion at HamsterRepublic.com]

teeemcee
2020-12-01 20:46:36 -0800 (Tue, 01 Dec 2020)
427
Fix graphics editors not checking whether the mouse is active (over the window)

If the mouse leaves the window all our backends continue to report a position
inside the window. So then the tile/sprite editors may try to movemouse as the
arrow keys are used, which broke if using gfx_sdl2 (see also next commit).

Also, no longer draw the mouse cursor in these editors if the mouse isn't
active. That's bothered me a long time!
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U   wip/drawing.bas