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Add a function to retrieve the current slot

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Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer 2013-05-30 14:02:17 +10:00
parent 4ae4f24ef7
commit ee054e9cf9
2 changed files with 17 additions and 0 deletions
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6
libevdev/libevdev.c
View file

@ -677,6 +677,12 @@ libevdev_get_num_slots(const struct libevdev *dev)
return dev->num_slots; return dev->num_slots;
} }
int
libevdev_get_current_slot(const struct libevdev *dev)
{
return dev->current_slot;
}
const struct input_absinfo* const struct input_absinfo*
libevdev_get_abs_info(const struct libevdev *dev, unsigned int code) libevdev_get_abs_info(const struct libevdev *dev, unsigned int code)
{ {

11
libevdev/libevdev.h
View file

@ -308,6 +308,17 @@ int libevdev_fetch_slot_value(const struct libevdev *dev, unsigned int slot, uns
*/ */
int libevdev_get_num_slots(const struct libevdev *dev); int libevdev_get_num_slots(const struct libevdev *dev);
/**
* Get the currently active slot. This may differ from the value
* an ioctl may return at this time as events may have been read off the fd
* since changing the slot value but those events are still in the buffer
* waiting to be processed. The returned value is the value a caller would
* see if it were to process events manually one-by-one.
*
* @return the currently active slot (logically)
*/
int libevdev_get_current_slot(const struct libevdev *dev);
/** /**
* Forcibly enable an event type on this device, even if the underlying * Forcibly enable an event type on this device, even if the underlying
* device does not support it. While this cannot make the device actually * device does not support it. While this cannot make the device actually