module sdl3::sdl;

typedef TouchID = ulong;
typedef FingerID = ulong;

typedef TouchDeviceType = CInt;

const TouchDeviceType TOUCH_DEVICE_INVALID @builtin           = -1;
const TouchDeviceType TOUCH_DEVICE_DIRECT @builtin            = 0;
const TouchDeviceType TOUCH_DEVICE_INDIRECT_ABSOLUTE @builtin = 1;
const TouchDeviceType TOUCH_DEVICE_INDIRECT_RELATIVE @builtin = 2;

struct Finger {
    FingerID id;
    float x;
    float y;
    float pressure;
}

const MouseID TOUCH_MOUSEID @builtin = ((MouseID)-1);
const TouchID MOUSE_TOUCHID @builtin = ((TouchID)-1);

extern fn TouchID* get_touch_devices(int *count) @extern("SDL_GetTouchDevices");
extern fn ZString get_touch_device_name(TouchID touchID) @extern("SDL_GetTouchDeviceName");
extern fn TouchDeviceType get_touch_device_type(TouchID touchID) @extern("SDL_GetTouchDeviceType");
extern fn Finger** get_touch_fingers(TouchID touchID, int *count) @extern("SDL_GetTouchFingers");