xref: /xsrc/external/mit/libXi/dist/src/XChgFCtl.c

/************************************************************

Copyright 1989, 1998  The Open Group

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Copyright 1989 by Hewlett-Packard Company, Palo Alto, California.

			All Rights Reserved

Permission to use, copy, modify, and distribute this software and its
documentation for any purpose and without fee is hereby granted,
provided that the above copyright notice appear in all copies and that
both that copyright notice and this permission notice appear in
supporting documentation, and that the name of Hewlett-Packard not be
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********************************************************/

/***********************************************************************
 *
 * XChangeFeedbackControl - Change the control attributes of feedbacks on
 * an extension device.
 *
 */

#include <X11/extensions/XI.h>
#include <X11/extensions/XIproto.h>
#include <X11/Xlibint.h>
#include <X11/extensions/XInput.h>
#include <X11/extensions/extutil.h>
#include "XIint.h"

int
XChangeFeedbackControl(
    register Display	*dpy,
    XDevice		*dev,
    unsigned long	 mask,
    XFeedbackControl	*f)
{
    int length;
    xChangeFeedbackControlReq *req;
    XExtDisplayInfo *info = XInput_find_display(dpy);

    LockDisplay(dpy);
    if (_XiCheckExtInit(dpy, XInput_Initial_Release, info) == -1)
	return (NoSuchExtension);

    GetReq(ChangeFeedbackControl, req);
    req->reqType = info->codes->major_opcode;
    req->ReqType = X_ChangeFeedbackControl;
    req->deviceid = dev->device_id;
    req->mask = mask;
    req->feedbackid = f->class;

    if (f->class == KbdFeedbackClass) {
	XKbdFeedbackControl *K;
	xKbdFeedbackCtl k;

	K = (XKbdFeedbackControl *) f;
	k.class = KbdFeedbackClass;
	k.length = sizeof(xKbdFeedbackCtl);
	k.id = K->id;
	k.click = K->click;
	k.percent = K->percent;
	k.pitch = K->pitch;
	k.duration = K->duration;
	k.led_mask = K->led_mask;
	k.led_values = K->led_value;
	k.key = K->key;
	k.auto_repeat_mode = K->auto_repeat_mode;
	length = ((unsigned)(k.length + 3) >> 2);
	req->length += length;
	length <<= 2;
	Data(dpy, (char *)&k, length);
    } else if (f->class == PtrFeedbackClass) {
	XPtrFeedbackControl *P;
	xPtrFeedbackCtl p;

	P = (XPtrFeedbackControl *) f;
	p.class = PtrFeedbackClass;
	p.length = sizeof(xPtrFeedbackCtl);
	p.id = P->id;
	p.num = P->accelNum;
	p.denom = P->accelDenom;
	p.thresh = P->threshold;
	length = ((unsigned)(p.length + 3) >> 2);
	req->length += length;
	length <<= 2;
	Data(dpy, (char *)&p, length);
    } else if (f->class == IntegerFeedbackClass) {
	XIntegerFeedbackControl *I;
	xIntegerFeedbackCtl i;

	I = (XIntegerFeedbackControl *) f;
	i.class = IntegerFeedbackClass;
	i.length = sizeof(xIntegerFeedbackCtl);
	i.id = I->id;
	i.int_to_display = I->int_to_display;
	length = ((unsigned)(i.length + 3) >> 2);
	req->length += length;
	length <<= 2;
	Data(dpy, (char *)&i, length);
    } else if (f->class == StringFeedbackClass) {
	XStringFeedbackControl *S;
	xStringFeedbackCtl s;

	S = (XStringFeedbackControl *) f;
	s.class = StringFeedbackClass;
	s.length = sizeof(xStringFeedbackCtl) +
	    (S->num_keysyms * sizeof(KeySym));
	s.id = S->id;
	s.num_keysyms = S->num_keysyms;
	req->length += ((unsigned)(s.length + 3) >> 2);
	length = sizeof(xStringFeedbackCtl);
	Data(dpy, (char *)&s, length);
	length = (s.num_keysyms * sizeof(KeySym));
	Data(dpy, (char *)S->syms_to_display, length);
    } else if (f->class == BellFeedbackClass) {
	XBellFeedbackControl *B;
	xBellFeedbackCtl b;

	B = (XBellFeedbackControl *) f;
	b.class = BellFeedbackClass;
	b.length = sizeof(xBellFeedbackCtl);
	b.id = B->id;
	b.percent = B->percent;
	b.pitch = B->pitch;
	b.duration = B->duration;
	length = ((unsigned)(b.length + 3) >> 2);
	req->length += length;
	length <<= 2;
	Data(dpy, (char *)&b, length);
    } else if (f->class == LedFeedbackClass) {
	XLedFeedbackControl *L;
	xLedFeedbackCtl l;

	L = (XLedFeedbackControl *) f;
	l.class = LedFeedbackClass;
	l.length = sizeof(xLedFeedbackCtl);
	l.id = L->id;
	l.led_mask = L->led_mask;
	l.led_values = L->led_values;
	length = ((unsigned)(l.length + 3) >> 2);
	req->length += length;
	length <<= 2;
	Data(dpy, (char *)&l, length);
    } else {
	xFeedbackCtl u;

	u.class = f->class;
	u.length = f->length - sizeof(int);
	u.id = f->id;
	length = ((unsigned)(u.length + 3) >> 2);
	req->length += length;
	length <<= 2;
	Data(dpy, (char *)&u, length);
    }

    UnlockDisplay(dpy);
    SyncHandle();
    return (Success);
}