By default, each call to
enables the default handler for the opened joystick. This handler maintains a state table
which can be read by the
If you define an own handler, the following parameters are passed:
one of the following values:
a button was pressed.
a button was released.
the joystick position was changed.
All other values are reserved for future use.
identifies the button or axis to which this event belongs.
for axis events the new position in range
-128 .. 127.Seejoystick_getaxis(3)
for further comments on the range.
identifies the joystick affected (this allows to use one handler for many joysticks).
joydev = -1
modifies the event handler of
all currently open joystick devices.
This function is only available in ELF versions of svgalib. Due to backwards
compatibility issues it cannot be used with shared a.out libs.
The svgalib joystick handler was mostly done by Daniel Engstr\"om <firstname.lastname@example.org>.
Multiple joystick, VC switching support and code to glue it into svgalib by Michael Weller
<email@example.com>. Part of the code is based on code from C. Smith and