/* $Xorg: chgfctl.c,v 1.4 2001/02/09 02:04:33 xorgcvs Exp $ */

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

Copyright 1989, 1998  The Open Group

Permission to use, copy, modify, distribute, and sell this software and its
documentation for any purpose is hereby granted without fee, provided that
the above copyright notice appear in all copies and that both that
copyright notice and this permission notice appear in supporting
documentation.

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Except as contained in this notice, the name of The Open Group shall not be
used in advertising or otherwise to promote the sale, use or other dealings
in this Software without prior written authorization from The Open Group.

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
used in advertising or publicity pertaining to distribution of the
software without specific, written prior permission.

HEWLETT-PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
HEWLETT-PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
SOFTWARE.

********************************************************/
/* $XFree86: xc/programs/Xserver/Xi/chgfctl.c,v 3.3 2001/01/17 22:13:23 dawes Exp $ */

/********************************************************************
 *
 *  Change feedback control attributes for an extension device.
 *
 */

#define	 NEED_EVENTS			/* for inputstr.h    */
#define	 NEED_REPLIES
#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif

#include <X11/X.h>				/* for inputstr.h    */
#include <X11/Xproto.h>			/* Request macro     */
#include "inputstr.h"			/* DeviceIntPtr	     */
#include <X11/extensions/XI.h>
#include <X11/extensions/XIproto.h>			/* control constants */

#include "extnsionst.h"
#include "extinit.h"			/* LookupDeviceIntRec */
#include "exglobals.h"

#include "chgfctl.h"

#define DO_ALL    (-1)

/***********************************************************************
 *
 * This procedure changes the control attributes for an extension device,
 * for clients on machines with a different byte ordering than the server.
 *
 */

int
SProcXChangeFeedbackControl(client)
    register ClientPtr client;
    {
    register char n;

    REQUEST(xChangeFeedbackControlReq);
    swaps(&stuff->length, n);
    REQUEST_AT_LEAST_SIZE(xChangeFeedbackControlReq);
    swapl(&stuff->mask, n);
    return(ProcXChangeFeedbackControl(client));
    }

/***********************************************************************
 *
 * Change the control attributes.
 *
 */

int
ProcXChangeFeedbackControl(client)
    ClientPtr client;
    {
    unsigned len;
    DeviceIntPtr dev;
    KbdFeedbackPtr k;
    PtrFeedbackPtr p;
    IntegerFeedbackPtr i;
    StringFeedbackPtr s;
    BellFeedbackPtr b;
    LedFeedbackPtr l;

    REQUEST(xChangeFeedbackControlReq);
    REQUEST_AT_LEAST_SIZE(xChangeFeedbackControlReq);

    len = stuff->length - (sizeof(xChangeFeedbackControlReq) >>2);
    dev = LookupDeviceIntRec (stuff->deviceid);
    if (dev == NULL)
	{
	SendErrorToClient (client, IReqCode, X_ChangeFeedbackControl, 0, 
		BadDevice);
	return Success;
	}

    switch (stuff->feedbackid)
	{
	case KbdFeedbackClass:
	    if (len != (sizeof(xKbdFeedbackCtl)>>2))
		{
		SendErrorToClient (client, IReqCode, X_ChangeFeedbackControl, 
			0, BadLength);
		return Success;
		}
	    for (k=dev->kbdfeed; k; k=k->next)
		if (k->ctrl.id == ((xKbdFeedbackCtl *) &stuff[1])->id)
		    {
		    ChangeKbdFeedback (client, dev, stuff->mask, k, (xKbdFeedbackCtl *)&stuff[1]);
		    return Success;
		    }
	    break;
	case PtrFeedbackClass:
	    if (len != (sizeof(xPtrFeedbackCtl)>>2))
		{
		SendErrorToClient (client, IReqCode, X_ChangeFeedbackControl, 
			0, BadLength);
		return Success;
		}
	    for (p=dev->ptrfeed; p; p=p->next)
		if (p->ctrl.id == ((xPtrFeedbackCtl *) &stuff[1])->id)
		    {
		    ChangePtrFeedback (client, dev, stuff->mask, p, (xPtrFeedbackCtl *)&stuff[1]);
		    return Success;
		    }
	    break;
	case StringFeedbackClass:
	    {
	    register char n;
	    xStringFeedbackCtl *f = ((xStringFeedbackCtl *) &stuff[1]);
	    if (client->swapped)
		{
		swaps(&f->num_keysyms,n);
		}
	    if (len != ((sizeof(xStringFeedbackCtl)>>2) + f->num_keysyms))
		{
		SendErrorToClient (client, IReqCode, X_ChangeFeedbackControl, 
			0, BadLength);
		return Success;
		}
	    for (s=dev->stringfeed; s; s=s->next)
		if (s->ctrl.id == ((xStringFeedbackCtl *) &stuff[1])->id)
		    {
		    ChangeStringFeedback (client, dev, stuff->mask,s,(xStringFeedbackCtl *)&stuff[1]);
		    return Success;
		    }
	    break;
	    }
	case IntegerFeedbackClass:
	    if (len != (sizeof(xIntegerFeedbackCtl)>>2))
		{
		SendErrorToClient (client, IReqCode, X_ChangeFeedbackControl, 
			0, BadLength);
		return Success;
		}
	    for (i=dev->intfeed; i; i=i->next)
		if (i->ctrl.id == ((xIntegerFeedbackCtl *) &stuff[1])->id)
		    {
		    ChangeIntegerFeedback (client, dev,stuff->mask,i,(xIntegerFeedbackCtl *)&stuff[1]);
		    return Success;
		    }
	    break;
	case LedFeedbackClass:
	    if (len != (sizeof(xLedFeedbackCtl)>>2))
		{
		SendErrorToClient (client, IReqCode, X_ChangeFeedbackControl, 
			0, BadLength);
		return Success;
		}
	    for (l=dev->leds; l; l=l->next)
		if (l->ctrl.id == ((xLedFeedbackCtl *) &stuff[1])->id)
		    {
		    ChangeLedFeedback (client, dev, stuff->mask, l, (xLedFeedbackCtl *)&stuff[1]);
		    return Success;
		    }
	    break;
	case BellFeedbackClass:
	    if (len != (sizeof(xBellFeedbackCtl)>>2))
		{
		SendErrorToClient (client, IReqCode, X_ChangeFeedbackControl, 
			0, BadLength);
		return Success;
		}
	    for (b=dev->bell; b; b=b->next)
		if (b->ctrl.id == ((xBellFeedbackCtl *) &stuff[1])->id)
		    {
		    ChangeBellFeedback (client, dev, stuff->mask, b, (xBellFeedbackCtl *)&stuff[1]);
		    return Success;
		    }
	    break;
	default:
	    break;
	}

    SendErrorToClient (client, IReqCode, X_ChangeFeedbackControl, 0, BadMatch);
    return Success;
    } 

/******************************************************************************
 *
 * This procedure changes KbdFeedbackClass data.
 *
 */

int
ChangeKbdFeedback (client, dev, mask, k, f)
    ClientPtr client;
    DeviceIntPtr dev;
    unsigned long 	mask;
    KbdFeedbackPtr	k;
    xKbdFeedbackCtl 	*f;
    {
    register char n;
    KeybdCtrl kctrl;
    int t;
    int key = DO_ALL;

    if (client->swapped)
	{
	swaps(&f->length,n);
	swaps(&f->pitch,n);
	swaps(&f->duration,n);
	swapl(&f->led_mask,n);
	swapl(&f->led_values,n);
	}

    kctrl = k->ctrl;
    if (mask & DvKeyClickPercent)
	{
	t = f->click;
	if (t == -1)
	    t = defaultKeyboardControl.click;
	else if (t < 0 || t > 100)
	    {
	    client->errorValue = t;
	    SendErrorToClient (client, IReqCode, X_ChangeFeedbackControl, 0, 
		BadValue);
	    return Success;
	    }
	kctrl.click = t;
        }

    if (mask & DvPercent)
	{
	t = f->percent;
	if (t == -1)
	    t = defaultKeyboardControl.bell;
	else if (t < 0 || t > 100)
	    {
	    client->errorValue = t;
	    SendErrorToClient (client, IReqCode, X_ChangeFeedbackControl, 0, 
		BadValue);
	    return Success;
	    }
	kctrl.bell = t;
	}

    if (mask & DvPitch)
	{
	t = f->pitch;
	if (t == -1)
	    t = defaultKeyboardControl.bell_pitch;
	else if (t < 0)
	    {
	    client->errorValue = t;
	    SendErrorToClient (client, IReqCode, X_ChangeFeedbackControl, 0, 
		BadValue);
	    return Success;
	    }
	kctrl.bell_pitch = t;
	}

    if (mask & DvDuration)
	{
	t = f->duration;
	if (t == -1)
	    t = defaultKeyboardControl.bell_duration;
	else if (t < 0)
	    {
	    client->errorValue = t;
	    SendErrorToClient (client, IReqCode, X_ChangeFeedbackControl, 0, 
		BadValue);
	    return Success;
	    }
	kctrl.bell_duration = t;
        }

    if (mask & DvLed)
        {
	kctrl.leds &= ~(f->led_mask);
	kctrl.leds |= (f->led_mask & f->led_values);
        }

    if (mask & DvKey)
	{
	key = (KeyCode) f->key;
	if (key < 8 || key > 255)
	    {
	    client->errorValue = key;
	    SendErrorToClient (client, IReqCode, X_ChangeFeedbackControl, 0, 
		BadValue);
	    return Success;
	    }
	if (!(mask & DvAutoRepeatMode))
	    {
	    SendErrorToClient (client, IReqCode, X_ChangeFeedbackControl, 0, 
		BadMatch);
	    return Success;
	    }
	}

    if (mask & DvAutoRepeatMode)
	{
	int inx = (key >> 3);
	int kmask = (1 << (key & 7));
	t = (CARD8) f->auto_repeat_mode;
	if (t == AutoRepeatModeOff)
	    {
	    if (key == DO_ALL)
		kctrl.autoRepeat = FALSE;
	    else
		kctrl.autoRepeats[inx] &= ~kmask;
	    }
	else if (t == AutoRepeatModeOn)
	    {
	    if (key == DO_ALL)
		kctrl.autoRepeat = TRUE;
	    else
		kctrl.autoRepeats[inx] |= kmask;
	    }
	else if (t == AutoRepeatModeDefault)
	    {
	    if (key == DO_ALL)
		kctrl.autoRepeat = defaultKeyboardControl.autoRepeat;
	    else
		kctrl.autoRepeats[inx] &= ~kmask;
		kctrl.autoRepeats[inx] =
			(kctrl.autoRepeats[inx] & ~kmask) |
			(defaultKeyboardControl.autoRepeats[inx] & kmask);
	    }
	else
	    {
	    client->errorValue = t;
	    SendErrorToClient (client, IReqCode, X_ChangeFeedbackControl, 0, 
		BadValue);
	    return Success;
	    }
        }

    k->ctrl = kctrl;
    (*k->CtrlProc)(dev, &k->ctrl);
    return Success;
    }

/******************************************************************************
 *
 * This procedure changes PtrFeedbackClass data.
 *
 */

int
ChangePtrFeedback (client, dev, mask, p, f)
    ClientPtr 		client;
    DeviceIntPtr 	dev;
    unsigned long 	mask;
    PtrFeedbackPtr 	p;
    xPtrFeedbackCtl 	*f;
    {
    register char n;
    PtrCtrl pctrl;		/* might get BadValue part way through */

    if (client->swapped)
	{
	swaps(&f->length,n);
	swaps(&f->num,n);
	swaps(&f->denom,n);
	swaps(&f->thresh,n);
	}

    pctrl = p->ctrl;
    if (mask & DvAccelNum)
	{
	int	accelNum;

	accelNum = f->num;
	if (accelNum == -1)
	    pctrl.num = defaultPointerControl.num;
	else if (accelNum < 0)
	    {
	    client->errorValue = accelNum;
	    SendErrorToClient (client, IReqCode, X_ChangeFeedbackControl, 0, 
		BadValue);
	    return Success;
	    }
	else pctrl.num = accelNum;
	}

    if (mask & DvAccelDenom)
	{
	int	accelDenom;

	accelDenom = f->denom;
	if (accelDenom == -1)
	    pctrl.den = defaultPointerControl.den;
	else if (accelDenom <= 0)
	    {
	    client->errorValue = accelDenom;
	    SendErrorToClient (client, IReqCode, X_ChangeFeedbackControl, 0, 
		BadValue);
	    return Success;
	    }
	else pctrl.den = accelDenom;
        }

    if (mask & DvThreshold)
	{
	int	threshold;

	threshold = f->thresh;
	if (threshold == -1)
	    pctrl.threshold = defaultPointerControl.threshold;
	else if (threshold < 0)
	    {
	    client->errorValue = threshold;
	    SendErrorToClient (client, IReqCode, X_ChangeFeedbackControl, 0, 
		BadValue);
	    return Success;
	    }
	else pctrl.threshold = threshold;
        }

    p->ctrl = pctrl;
    (*p->CtrlProc)(dev, &p->ctrl);
    return Success;
    }

/******************************************************************************
 *
 * This procedure changes IntegerFeedbackClass data.
 *
 */

int
ChangeIntegerFeedback (client, dev, mask, i, f)
    ClientPtr 			client;
    DeviceIntPtr 		dev;
    unsigned long 		mask;
    IntegerFeedbackPtr 		i;
    xIntegerFeedbackCtl 	*f;
    {
    register char n;

    if (client->swapped)
	{
	swaps(&f->length,n);
	swapl(&f->int_to_display,n);
	}

    i->ctrl.integer_displayed = f->int_to_display;
    (*i->CtrlProc)(dev, &i->ctrl);
    return Success;
    }

/******************************************************************************
 *
 * This procedure changes StringFeedbackClass data.
 *
 */

int
ChangeStringFeedback (client, dev, mask, s, f)
    ClientPtr 		client;
    DeviceIntPtr 	dev;
    unsigned long 	mask;
    StringFeedbackPtr 	s;
    xStringFeedbackCtl 	*f;
    {
    register char n;
    register long *p;
    int		i, j;
    KeySym	*syms, *sup_syms;

    syms = (KeySym *) (f+1);
    if (client->swapped)
	{
	swaps(&f->length,n);	/* swapped num_keysyms in calling proc */
	p = (long *) (syms);
	for (i=0; i<f->num_keysyms; i++)
	    {
	    swapl(p, n);
	    p++;
	    }
	}

    if (f->num_keysyms > s->ctrl.max_symbols)
	{
	SendErrorToClient(client, IReqCode, X_ChangeFeedbackControl, 0, 
	    BadValue);
	return Success;
	}
    sup_syms = s->ctrl.symbols_supported;
    for (i=0; i<f->num_keysyms; i++)
	{
        for (j=0; j<s->ctrl.num_symbols_supported; j++)
	    if (*(syms+i) == *(sup_syms+j))
		break;
	if (j==s->ctrl.num_symbols_supported)
	    {
	    SendErrorToClient(client, IReqCode, X_ChangeFeedbackControl, 0, 
		BadMatch);
	    return Success;
	    }
	}

    s->ctrl.num_symbols_displayed  = f->num_keysyms;
    for (i=0; i<f->num_keysyms; i++)
	*(s->ctrl.symbols_displayed+i) = *(syms+i);
    (*s->CtrlProc)(dev, &s->ctrl);
    return Success;
    }

/******************************************************************************
 *
 * This procedure changes BellFeedbackClass data.
 *
 */

int
ChangeBellFeedback (client, dev, mask, b, f)
    ClientPtr 		client;
    DeviceIntPtr 	dev;
    unsigned long 	mask;
    BellFeedbackPtr 	b;
    xBellFeedbackCtl 	*f;
    {
    register char n;
    int t;
    BellCtrl bctrl;		/* might get BadValue part way through */

    if (client->swapped)
	{
	swaps(&f->length,n);
	swaps(&f->pitch,n);
	swaps(&f->duration,n);
	}

    bctrl = b->ctrl;
    if (mask & DvPercent)
	{
	t = f->percent;
	if (t == -1)
	    t = defaultKeyboardControl.bell;
	else if (t < 0 || t > 100)
	    {
	    client->errorValue = t;
	    SendErrorToClient (client, IReqCode, X_ChangeFeedbackControl, 0, 
		BadValue);
	    return Success;
	    }
	bctrl.percent = t;
	}

    if (mask & DvPitch)
	{
	t = f->pitch;
	if (t == -1)
	    t = defaultKeyboardControl.bell_pitch;
	else if (t < 0)
	    {
	    client->errorValue = t;
	    SendErrorToClient (client, IReqCode, X_ChangeFeedbackControl, 0, 
		BadValue);
	    return Success;
	    }
	bctrl.pitch = t;
	}

    if (mask & DvDuration)
	{
	t = f->duration;
	if (t == -1)
	    t = defaultKeyboardControl.bell_duration;
	else if (t < 0)
	    {
	    client->errorValue = t;
	    SendErrorToClient (client, IReqCode, X_ChangeFeedbackControl, 0, 
		BadValue);
	    return Success;
	    }
	bctrl.duration = t;
        }
    b->ctrl = bctrl;
    (*b->CtrlProc)(dev, &b->ctrl);
    return Success;
    }

/******************************************************************************
 *
 * This procedure changes LedFeedbackClass data.
 *
 */

int
ChangeLedFeedback (client, dev, mask, l, f)
    ClientPtr 		client;
    DeviceIntPtr 	dev;
    unsigned long 	mask;
    LedFeedbackPtr 	l;
    xLedFeedbackCtl 	*f;
    {
    register char n;
    LedCtrl lctrl;		/* might get BadValue part way through */

    if (client->swapped)
	{
	swaps(&f->length,n);
	swapl(&f->led_values,n);
	swapl(&f->led_mask,n);
	}

    f->led_mask &= l->ctrl.led_mask;	/* set only supported leds */
    f->led_values &= l->ctrl.led_mask;	/* set only supported leds */
    if (mask & DvLed)
        {
	lctrl.led_mask = f->led_mask;
	lctrl.led_values = f->led_values;
	(*l->CtrlProc)(dev, &lctrl);
	l->ctrl.led_values &= ~(f->led_mask);		/* zero changed leds */
	l->ctrl.led_values |= (f->led_mask & f->led_values);/* OR in set leds*/
        }

    return Success;
    }