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SDL_hidapi_steamdeck: report touch controller events

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Previously, touchpad events were not reported to the application.
This patch exposes two touchpads and forwards x/y/pressure information
from the HIDAPI packet.

This fixes issue #12855
This commit is contained in:
Christoph Schied
2025-04-24 12:17:21 -07:00
committed by Sam Lantinga
parent 5cacdf2513
commit de2c5c33b7
1 changed files with 15 additions and 0 deletions
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15
src/joystick/hidapi/SDL_hidapi_steamdeck.c
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@@ -233,6 +233,18 @@ static void HIDAPI_DriverSteamDeck_HandleState(SDL_HIDAPI_Device *device,
values[1] = (pInReport->payload.deckState.sAccelZ / 32768.0f) * 2.0f * SDL_STANDARD_GRAVITY;
values[2] = (-pInReport->payload.deckState.sAccelY / 32768.0f) * 2.0f * SDL_STANDARD_GRAVITY;
SDL_SendJoystickSensor(timestamp, joystick, SDL_SENSOR_ACCEL, ctx->sensor_timestamp_us, values, 3);
SDL_SendJoystickTouchpad(timestamp, joystick, 0, 0,
pInReport->payload.deckState.sPressurePadLeft > 0,
pInReport->payload.deckState.sLeftPadX / 65536.0f + 0.5f,
pInReport->payload.deckState.sLeftPadY / 65536.0f + 0.5f,
pInReport->payload.deckState.sPressurePadLeft / 32768.0f);
SDL_SendJoystickTouchpad(timestamp, joystick, 1, 0,
pInReport->payload.deckState.sPressurePadRight > 0,
pInReport->payload.deckState.sRightPadX / 65536.0f + 0.5f,
pInReport->payload.deckState.sRightPadY / 65536.0f + 0.5f,
pInReport->payload.deckState.sPressurePadRight / 32768.0f);
}
/*****************************************************************************************************/
@@ -366,6 +378,9 @@ static bool HIDAPI_DriverSteamDeck_OpenJoystick(SDL_HIDAPI_Device *device, SDL_J
SDL_PrivateJoystickAddSensor(joystick, SDL_SENSOR_GYRO, update_rate_in_hz);
SDL_PrivateJoystickAddSensor(joystick, SDL_SENSOR_ACCEL, update_rate_in_hz);
SDL_PrivateJoystickAddTouchpad(joystick, 1);
SDL_PrivateJoystickAddTouchpad(joystick, 1);
return true;
}