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Add joystick battery event

This commit is contained in:
meyraud705 2022-02-02 13:59:49 +01:00 committed by Sam Lantinga
parent 0964c84d77
commit 3dcfe86082
2 changed files with 31 additions and 1 deletions
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12
include/SDL_events.h
View File

@ -118,6 +118,7 @@ typedef enum
SDL_JOYBUTTONUP, /**< Joystick button released */
SDL_JOYDEVICEADDED, /**< A new joystick has been inserted into the system */
SDL_JOYDEVICEREMOVED, /**< An opened joystick has been removed */
SDL_JOYBATTERYUPDATED, /**< Joystick battery level change */
/* Game controller events */
SDL_CONTROLLERAXISMOTION = 0x650, /**< Game controller axis motion */
@ -395,6 +396,16 @@ typedef struct SDL_JoyDeviceEvent
Sint32 which; /**< The joystick device index for the ADDED event, instance id for the REMOVED event */
} SDL_JoyDeviceEvent;
/**
* \brief Joysick battery level change event structure (event.jbattery.*)
*/
typedef struct SDL_JoyBatteryEvent
{
Uint32 type; /**< ::SDL_JOYBATTERYUPDATED */
Uint32 timestamp; /**< In milliseconds, populated using SDL_GetTicks() */
SDL_JoystickID which; /**< The joystick instance id */
SDL_JoystickPowerLevel level; /**< The joystick battery level */
} SDL_JoyBatteryEvent;
/**
* \brief Game controller axis motion event structure (event.caxis.*)
@ -625,6 +636,7 @@ typedef union SDL_Event
SDL_JoyHatEvent jhat; /**< Joystick hat event data */
SDL_JoyButtonEvent jbutton; /**< Joystick button event data */
SDL_JoyDeviceEvent jdevice; /**< Joystick device change event data */
SDL_JoyBatteryEvent jbattery; /**< Joystick battery event data */
SDL_ControllerAxisEvent caxis; /**< Game Controller axis event data */
SDL_ControllerButtonEvent cbutton; /**< Game Controller button event data */
SDL_ControllerDeviceEvent cdevice; /**< Game Controller device event data */

20
src/joystick/SDL_joystick.c
View File

@ -386,6 +386,7 @@ SDL_JoystickOpen(int device_index)
SDL_Joystick *joystick;
SDL_Joystick *joysticklist;
const char *joystickname = NULL;
SDL_JoystickPowerLevel initial_power_level;
SDL_LockJoysticks();
@ -478,6 +479,11 @@ SDL_JoystickOpen(int device_index)
SDL_UnlockJoysticks();
/* send initial battery event */
initial_power_level = joystick->epowerlevel;
joystick->epowerlevel = SDL_JOYSTICK_POWER_UNKNOWN;
SDL_PrivateJoystickBatteryLevel(joystick, initial_power_level);
driver->Update(joystick);
return joystick;
@ -2721,7 +2727,19 @@ SDL_JoystickGUID SDL_JoystickGetGUIDFromString(const char *pchGUID)
/* update the power level for this joystick */
void SDL_PrivateJoystickBatteryLevel(SDL_Joystick *joystick, SDL_JoystickPowerLevel ePowerLevel)
{
joystick->epowerlevel = ePowerLevel;
SDL_assert(joystick->ref_count); /* make sure we are calling this only for update, not for initialisation */
if (ePowerLevel != joystick->epowerlevel) {
#if !SDL_EVENTS_DISABLED
if (SDL_GetEventState(SDL_JOYBATTERYUPDATED) == SDL_ENABLE) {
SDL_Event event;
event.type = SDL_JOYBATTERYUPDATED;
event.jbattery.which = joystick->instance_id;
event.jbattery.level = ePowerLevel;
SDL_PushEvent(&event);
}
#endif /* !SDL_EVENTS_DISABLED */
joystick->epowerlevel = ePowerLevel;
}
}
/* return its power level */