On Jan 1, 1:04 am, "Alex Holkner" <[email protected]> wrote:
> This depends on your hardware. From pyglet's point of view, if you
> have an HID mouse that is exposed via the Linux evdev API, it will
> expose its events. Otherwise, you're out of luck (short of writing
> your own kernel driver).
My mouse is exposed on the evdev driver. Using the following program:
import pyglet
window = pyglet.window.Window()
device = pyglet.input.evdev.get_devices()[2] #my relative hid mouse
device.open()
def watch(control):
@control.event
def on_change(value):
print control, value
for control in device.get_controls():
watch(control)
pyglet.app.run()
I get:
RelativeAxis(name=y, raw_name=REL_Y) 1
RelativeAxis(name=x, raw_name=REL_X) -1
RelativeAxis(name=y, raw_name=REL_Y) 1
RelativeAxis(name=x, raw_name=REL_X) -1
RelativeAxis(name=y, raw_name=REL_Y) 1
Clearly, that's not raw mouse output.
> evdev was chosen on Linux because joydev doesn't have anywhere near
> the capabilities needed to match features with Windows and OS X -- it
> just wouldn't fit into the pyglet joystick API (which, for example,
> allows for joystick enumeration and inspection).
You can enumerate joysticks as well with joydev (just filter os.listdir
('/dev/input') by js\d+), and you can get the number of axes and
buttons as well as the initial state they're in.
As far as I know that's everything you need for the API of yours.
> You'll need to add a local udev rule to give users permission to use
> your joystick device via evdev. While this isn't ideal, I don't think
> it's unreasonable.
Writing udev rules involves editing system configuration files by hand
that look like this
KERNEL=="fd[0-9]*", NAME="floppy/%n", SYMLINK+="%k"
KERNEL=="hiddev*", NAME="usb/%k"
and Restarting a daemon (/etc/init.d/udev restart)
While it may not be unreasonable to you and me, I'd think that out of
the 2% or so linux desktop users most won't ever know how to do that.
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