Build the list of VButton original key names from the current mapping data list. Called whenever the mapping table is loaded or saved.

Expose the filtered button count so the owner can avoid showing an empty panel.

* Calculates the appropiate size units (bytes, KB or MB) for the received * data and the total download size. Then, this function proceeds to update

* Uses two time samples (from the current time and a previous sample) to * calculate how many bytes have been downloaded. * * Then, this function p

* Downloads and interpets the update definitions file referenced by the * \c url() function. */

* Instructs the \c Updater instance with the registered \c url to download and * interpret the update definitions file. * * \note If an \c Updater

* Compares the two version strings (\a x and \a y). * - If \a x is greater than \y, this function returns \c true. * - If \a y is greater th

* Checks if the joystick referenced by the \a event can be initialized. * If not, the function will apply a generic mapping to the joystick and * at