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Added automatic mapping support for Xbox controllers on the 6.x Linux kernels

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This automatically adds support for the share button and paddles when present.
This commit is contained in:
Sam Lantinga
2023-06-13 16:40:30 -07:00
parent 0f24956b0a
commit db1d4d3d76
1 changed files with 73 additions and 70 deletions
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src/joystick/linux/SDL_sysjoystick.c
+31 -28
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@@ -1725,6 +1725,10 @@ static SDL_bool LINUX_JoystickGetGamepadMapping(int device_index, SDL_GamepadMap
/* We have a gamepad, start filling out the mappings */ /* We have a gamepad, start filling out the mappings */
#ifdef DEBUG_GAMEPAD_MAPPING
SDL_Log("Mapping %s (VID/PID 0x%.4x/0x%.4x)", item->name, SDL_GetJoystickVendor(joystick), SDL_GetJoystickProduct(joystick));
#endif
if (joystick->hwdata->has_key[BTN_A]) { if (joystick->hwdata->has_key[BTN_A]) {
out->a.kind = EMappingKind_Button; out->a.kind = EMappingKind_Button;
out->a.target = joystick->hwdata->key_map[BTN_A]; out->a.target = joystick->hwdata->key_map[BTN_A];
@@ -2080,37 +2084,36 @@ static SDL_bool LINUX_JoystickGetGamepadMapping(int device_index, SDL_GamepadMap
#endif #endif
} }
/* The xpadneo driver uses the happy buttons for triggers. if (SDL_GetJoystickVendor(joystick) == USB_VENDOR_MICROSOFT) {
Unfortunately it also reports them as available for all controllers, /* The Xbox Elite controllers have the paddles as BTN_TRIGGER_HAPPY4 - BTN_TRIGGER_HAPPY7 */
and exposes the Xbox Elite with the VID/PID of an Xbox 360 controller, if (joystick->hwdata->has_key[BTN_TRIGGER_HAPPY5] &&
so we can't really tell whether this is an Xbox Elite or Xbox One S joystick->hwdata->has_key[BTN_TRIGGER_HAPPY6] &&
controller. joystick->hwdata->has_key[BTN_TRIGGER_HAPPY7] &&
joystick->hwdata->has_key[BTN_TRIGGER_HAPPY8]) {
xpadneo has a note about this in the driver code: out->paddle1.kind = EMappingKind_Button;
https://github.com/atar-axis/xpadneo/blob/master/hid-xpadneo/src/hid-xpadneo.c#L1137 out->paddle1.target = joystick->hwdata->key_map[BTN_TRIGGER_HAPPY5];
*/ out->paddle2.kind = EMappingKind_Button;
if (SDL_IsJoystickXboxOneElite(SDL_GetJoystickVendor(joystick), SDL_GetJoystickProduct(joystick))) { out->paddle2.target = joystick->hwdata->key_map[BTN_TRIGGER_HAPPY7];
int i; out->paddle3.kind = EMappingKind_Button;
unsigned int paddle_index = 0; out->paddle3.target = joystick->hwdata->key_map[BTN_TRIGGER_HAPPY6];
SDL_InputMapping *paddles[4] = { out->paddle4.kind = EMappingKind_Button;
&out->paddle1, out->paddle4.target = joystick->hwdata->key_map[BTN_TRIGGER_HAPPY8];
&out->paddle3,
&out->paddle2,
&out->paddle4
};
for (i = BTN_TRIGGER_HAPPY; i <= BTN_TRIGGER_HAPPY40; ++i) {
if (joystick->hwdata->has_key[i]) {
paddles[paddle_index]->kind = EMappingKind_Button;
paddles[paddle_index]->target = joystick->hwdata->key_map[i];
#ifdef DEBUG_GAMEPAD_MAPPING #ifdef DEBUG_GAMEPAD_MAPPING
SDL_Log("Mapped PADDLE%u to button %d (BTN_TRIGGER_HAPPY%d)", 1 + paddle_index, paddles[paddle_index]->target, i - BTN_TRIGGER_HAPPY); SDL_Log("Mapped PADDLE1 to button %d (BTN_TRIGGER_HAPPY4)", out->paddle1.target);
SDL_Log("Mapped PADDLE2 to button %d (BTN_TRIGGER_HAPPY6)", out->paddle2.target);
SDL_Log("Mapped PADDLE3 to button %d (BTN_TRIGGER_HAPPY5)", out->paddle3.target);
SDL_Log("Mapped PADDLE4 to button %d (BTN_TRIGGER_HAPPY7)", out->paddle4.target);
#endif #endif
++paddle_index;
if (paddle_index == SDL_arraysize(paddles)) {
break;
}
} }
/* The Xbox Series X controllers have the Share button as KEY_RECORD */
if (joystick->hwdata->has_key[KEY_RECORD]) {
out->misc1.kind = EMappingKind_Button;
out->misc1.target = joystick->hwdata->key_map[KEY_RECORD];
mapped |= MAPPED_DPAD_RIGHT;
#ifdef DEBUG_GAMEPAD_MAPPING
SDL_Log("Mapped MISC1 to button %d (KEY_RECORD)", out->misc1.target);
#endif
} }
} }