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[SDL2] Add SDL_HINT_JOYSTICK_HAPTIC_AXES

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Allows users to overwrite the number of haptic axes defined for a given
joystick. Also supports a "wildcard" VID:PID of 0xFFFF/0xFFFF
This commit is contained in:
Tomasz Pakuła
2025-02-25 01:02:08 +01:00
committed by Sam Lantinga
parent 24693ac285
commit 0809be4ec5
2 changed files with 114 additions and 0 deletions
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21
include/SDL_hints.h
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@@ -1423,6 +1423,27 @@ extern "C" {
*/
#define SDL_HINT_JOYSTICK_DEVICE "SDL_JOYSTICK_DEVICE"
/**
* A variable containing a list of devices and their desired number of haptic
* (force feedback) enabled axis.
*
* The format of the string is a comma separated list of USB VID/PID pairs in
* hexadecimal form plus the number of desired axes, e.g.
*
* `0xAAAA/0xBBBB/1,0xCCCC/0xDDDD/3`
*
* This hint supports a "wildcard" device that will set the number of haptic
* axes on all initialized haptic devices which were not defined explicitly
* in this hint.
*
* `0xFFFF/0xFFFF/1`
*
* This hint should be set before a controller is opened. The number of
* haptic axes won't exceed the number of real axes found on the device.
*/
#define SDL_HINT_JOYSTICK_HAPTIC_AXES "SDL_JOYSTICK_HAPTIC_AXES"
/**
* A variable controlling whether joysticks on Linux will always treat 'hat'
* axis inputs (ABS_HAT0X - ABS_HAT3Y) as 8-way digital hats without checking