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List:       kde-devel
Subject:    Re: Making the Scroll Lock LED Blink (Was : What is...)
From:       Stefan Taferner <taferner () salzburg ! co ! at>
Date:       1999-10-03 16:37:29
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On Sun, 03 Oct 1999, Markus Goetz wrote:
> Hi
> 
> >>Are there any functions for modifying the Num/Caps/Scroll lock lights on
> >>keyboards.  I'm guessing I'd have to go down to the Xlib level, but I'm
> >>not seeing anything that rings a bell in the header files...
> 
> >man XChangeKeyboardControl
> 
> I am also interested in this thing. I took a look at the XCKC Man Page but it
> is explained were ... hmmm.... good.
> 
> void MainWindow::setKeyboardLED(bool on)
> {
>    XKeyboardControl kbd;
>    kbd.led = 3; 
>    if (on) kbd.led_mode = LedModeOn; else kbd.led_mode = LedModeOff;
>    cerr << XChangeKeyboardControl(kapp->getDisplay(), KBLed | KBLedMode, &kbd) << endl;
> }
> 
> I really don't know how to use this thing ! It just does nothing !
> Can anyone help me ?

In XFree, you have to enable application control of the keyboard leds in
XF86Config.

You can also play with "xset led ..."

--Stefan

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