headless device with keyboard

[Greg Brown]

I am in the process of porting a custom device that we currently have
running on Linux to XPE. The device has a custom video display (so there
will be no desktop visible to the user) but it does use a USB keyboard for
an input device. I am looking at using RawInput so that I can be sure to
trap all the keyboard input, (regardless if my app would happen to lose
focus somehow), but it seems to be acting a little quirky. Even though I
only register for keyboard input, I don't seem to be getting all the input
(from WM_INPUT) until there is some mouse movement within my app's window.
I am doing my initial testing on a standard desktop machine, so I have a
display, mouse, etc., but it will not be included on the final device.

Any thoughts on RawInput in particular, or this type of setup in general?

Thanks,

Greg

 

[Anil Ingle]

Have you looked up "keyboard hook" on www.google.com/microsoft ?
Here is a represenative article you might be interested in
http://support.microsoft.com/defaul...pport/kb/articles/Q66/9/89.asp&NoWebContent=1

-Anil [MS] This posting is provided AS IS. It makes no warranties and
confers no rights.

 

[Greg Brown]

I did look into a window's hook also, although I saw a recent article from
Microsoft that stated that the RawInput approach was the preferred method
(less system overhead, more immune to missed keystrokes, etc.)