Any way to recieve joystick events without initializing video?

SDL Development
1

Hi! Is there any way to use SDL for joystick input without having to
initialize video? (video is initialized later by another thread)

– thanks,
blight

2

I’ve never done that, but I think you can do:

SDL_Init(SDL_INIT_JOYSTICK);

and later do the SDL_Init(SDL_INIT_VIDEO) … but I don’t think you can
get any joystick events if you don’t have a window.

I think. … lolOn Sun, 2002-05-05 at 08:48, Gregor Anich wrote:

Hi! Is there any way to use SDL for joystick input without having to
initialize video? (video is initialized later by another thread)

-- thanks,
    blight
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Chris Thielen
@Christopher_Thielen

3

I’ve never done that, but I think you can do:

SDL_Init(SDL_INIT_JOYSTICK);

and later do the SDL_Init(SDL_INIT_VIDEO) … but I don’t think you can
get any joystick events if you don’t have a window.

Earlier when developing some game code, I had the user configure the joystick
settings by prompting them through the command line (i.e. no window appeared
yet). This seemed to work just fine for my Windows/Linux targets.

The code’s changed since then, though, so I’m afraid I can’t pass off any
examples. I know I didn’t receive any keyboard events, though, which made it
tricky for the user to “ESC” out of the configuration :-).

Tyler

4

and later do the SDL_Init(SDL_INIT_VIDEO) … but I don’t think you can
get any joystick events if you don’t have a window.

I think you can get joystick events, under Linux, but I don’t imagine this
is a truth for all platforms. You can definitely poll the stick for
updates under Linux without a window or even SDL_INIT_VIDEO.

–ryan.