A couple weeks ago kylekrack reported:
kylekrack: So I'm encountering a weird bug on mac with Nightly 20190306 where
using options like Test Game and Compile Scripts causes custom to freeze until
I click the X to close out the program.
kylekrack: Restarting Custom stops the problem
kylekrack: It appears to have something to do with changing the scale/window
size
kylekrack: I can't replicate it consistently, though
https://cdn.discordapp.com/attachments/429686966507012108/603329849913769985/ohrfreezebug.mov
I think the blame is most likely with SDL 1.2, which has always had problems
with spawning programs on Windows and Linux too, despite a lot of attempted
workarounds.
Modifying the window (resizing/changing zoom, fullscreening and toggling
resizability) also cause possible key input problems in SDL 1.2, all call
gfx_sdl_set_screen_mode which calls SDL_SetVideoMode which recreates the
window, apparently possibly causing SDL's internal keyboard/mouse state to
become inconsistent. The SDL 2 API is different, it has functions to do those
things without recreating the window. Since kylekrack mentioned changing the
window size, I'm very hopeful that gfx_sdl2 is the solution to this problem. In
the last few days I've been working on getting gfx_sdl2 running on Mac, and
hope that's the solution. (Not for Fulfuns, obviously.)
I don't know whether the other spawning problems are fixed/better in SDL 2.
Aside, another possible source of problems is the way we spawn Game on Unix
(popen/pclose : see bug #22), but that's not used for HSpeak so can't be the
problem here.
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