216 lines
		
	
	
		
			6.9 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			216 lines
		
	
	
		
			6.9 KiB
		
	
	
	
		
			C
		
	
	
	
/************************************************************
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Copyright (c) 1993 by Silicon Graphics Computer Systems, Inc.
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Permission to use, copy, modify, and distribute this
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software and its documentation for any purpose and without
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fee is hereby granted, provided that the above copyright
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notice appear in all copies and that both that copyright
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notice and this permission notice appear in supporting
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documentation, and that the name of Silicon Graphics not be 
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used in advertising or publicity pertaining to distribution 
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of the software without specific prior written permission.
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Silicon Graphics makes no representation about the suitability 
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of this software for any purpose. It is provided "as is"
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without any express or implied warranty.
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SILICON GRAPHICS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS 
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SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 
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AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
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GRAPHICS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL 
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DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, 
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DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE 
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OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION  WITH
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THE USE OR PERFORMANCE OF THIS SOFTWARE.
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********************************************************/
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include <stdio.h>
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#include <math.h>
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#define NEED_EVENTS 1
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#include <X11/X.h>
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#include <X11/Xproto.h>
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#include <X11/keysym.h>
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#include "misc.h"
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#include "inputstr.h"
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#include <xkbsrv.h>
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#include <ctype.h>
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#define EXTENSION_EVENT_BASE 64
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/***====================================================================***/
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void
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XkbProcessKeyboardEvent(xEvent *xE,DeviceIntPtr keybd,int count)
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{
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KeyClassPtr	keyc = keybd->key;
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XkbSrvInfoPtr	xkbi;
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int		key;
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XkbBehavior	behavior;
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unsigned        ndx;
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int             xiEvent;
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    xkbi= keyc->xkbInfo;
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    key= xE->u.u.detail;
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    xiEvent= (xE->u.u.type & EXTENSION_EVENT_BASE);
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#ifdef DEBUG
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    if (xkbDebugFlags&0x8) {
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	ErrorF("[xkb] XkbPKE: Key %d %s\n",key,(xE->u.u.type==KeyPress?"down":"up"));
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    }
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#endif
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    if ( (xkbi->repeatKey==key) && (xE->u.u.type==KeyRelease) &&
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	 ((xkbi->desc->ctrls->enabled_ctrls&XkbRepeatKeysMask)==0) ) {
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	AccessXCancelRepeatKey(xkbi,key);
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    }
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    behavior= xkbi->desc->server->behaviors[key];
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    /* The "permanent" flag indicates a hard-wired behavior that occurs */
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    /* below XKB, such as a key that physically locks.   XKB does not   */
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    /* do anything to implement the behavior, but it *does* report that */
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    /* key is hardwired */
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    if ((behavior.type&XkbKB_Permanent)==0) {
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	switch (behavior.type) {
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	    case XkbKB_Default:
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		if (( xE->u.u.type == KeyPress || 
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                            xE->u.u.type == DeviceKeyPress) && 
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		    (keyc->down[key>>3] & (1<<(key&7)))) {
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		    XkbLastRepeatEvent=	(pointer)xE;
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                    if (xiEvent)
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                        xE->u.u.type = DeviceKeyRelease;
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                    else
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                        xE->u.u.type = KeyRelease;
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		    XkbHandleActions(keybd,keybd,xE,count);
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                    if (xiEvent)
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                        xE->u.u.type = DeviceKeyPress;
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                    else
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                        xE->u.u.type = KeyPress;
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		    XkbHandleActions(keybd,keybd,xE,count);
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		    XkbLastRepeatEvent= NULL;
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		    return;
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		}
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		else if ((xE->u.u.type==KeyRelease || 
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                            xE->u.u.type == DeviceKeyRelease) &&
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			(!(keyc->down[key>>3]&(1<<(key&7))))) {
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		    XkbLastRepeatEvent=	(pointer)&xE;
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                    if (xiEvent)
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                        xE->u.u.type = DeviceKeyPress;
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                    else
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                        xE->u.u.type = KeyPress;
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		    XkbHandleActions(keybd,keybd,xE,count);
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                    if (xiEvent)
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                        xE->u.u.type = DeviceKeyRelease;
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                    else
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                        xE->u.u.type = KeyRelease;
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		    XkbHandleActions(keybd,keybd,xE,count);
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		    XkbLastRepeatEvent= NULL;
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		    return;
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		}
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		break;
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	    case XkbKB_Lock:
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		if ( xE->u.u.type == KeyRelease || 
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                        xE->u.u.type == DeviceKeyRelease)
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		    return;
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		else {
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		    int	bit= 1<<(key&7);
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		    if ( keyc->down[key>>3]&bit )
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                    {
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                        if (xiEvent)
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                            xE->u.u.type = DeviceKeyRelease;
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                        else
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                            xE->u.u.type= KeyRelease;
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                    }
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                }
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		break;
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	    case XkbKB_RadioGroup:
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		ndx= (behavior.data&(~XkbKB_RGAllowNone));
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		if ( ndx<xkbi->nRadioGroups ) {
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		    XkbRadioGroupPtr	rg;
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		    if ( xE->u.u.type == KeyRelease ||
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                            xE->u.u.type == DeviceKeyRelease)
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		        return;
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		    rg = &xkbi->radioGroups[ndx];
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		    if ( rg->currentDown == xE->u.u.detail ) {
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		        if (behavior.data&XkbKB_RGAllowNone) {
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		            xE->u.u.type = KeyRelease;
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			    XkbHandleActions(keybd,keybd,xE,count);
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			    rg->currentDown= 0;
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		        }
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		        return;
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		    }
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		    if ( rg->currentDown!=0 ) {
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			int key = xE->u.u.detail;
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                        if (xiEvent)
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                            xE->u.u.type = DeviceKeyRelease;
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                        else
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                            xE->u.u.type= KeyRelease;
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			xE->u.u.detail= rg->currentDown;
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		        XkbHandleActions(keybd,keybd,xE,count);
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                        if (xiEvent)
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                            xE->u.u.type = DeviceKeyPress;
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                        else
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                            xE->u.u.type= KeyPress;
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		        xE->u.u.detail= key;
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		    }
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		    rg->currentDown= key;
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		}
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		else ErrorF("[xkb] InternalError! Illegal radio group %d\n",ndx);
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		break;
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	    case XkbKB_Overlay1: case XkbKB_Overlay2:
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		{
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		    unsigned	which;
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		    if (behavior.type==XkbKB_Overlay1)	which= XkbOverlay1Mask;
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		    else				which= XkbOverlay2Mask;
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		    if ( (xkbi->desc->ctrls->enabled_ctrls&which)==0 )
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			break;
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		    if ((behavior.data>=xkbi->desc->min_key_code)&&
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			(behavior.data<=xkbi->desc->max_key_code)) {
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			xE->u.u.detail= behavior.data;
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			/* 9/11/94 (ef) -- XXX! need to match release with */
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			/*                 press even if the state of the  */
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			/*                 corresponding overlay control   */
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			/*                 changes while the key is down   */
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		    }
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		}
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		break;
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	    default:
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		ErrorF("[xkb] unknown key behavior 0x%04x\n",behavior.type);
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		break;
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	}
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    }
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    XkbHandleActions(keybd,keybd,xE,count);
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    return;
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}
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void
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ProcessKeyboardEvent(xEvent *xE,DeviceIntPtr keybd,int count)
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{
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KeyClassPtr	keyc = keybd->key;
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XkbSrvInfoPtr	xkbi;
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    xkbi= keyc->xkbInfo;
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#ifdef DEBUG
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    if (xkbDebugFlags&0x8) {
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	int key= xE->u.u.detail;
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	ErrorF("[xkb] PKE: Key %d %s\n",key,(xE->u.u.type==KeyPress?"down":"up"));
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    }
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#endif
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    if ((xkbi->desc->ctrls->enabled_ctrls&XkbAllFilteredEventsMask)==0)
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	XkbProcessKeyboardEvent(xE,keybd,count);
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    else if (xE->u.u.type==KeyPress || xE->u.u.type==DeviceKeyPress)
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	AccessXFilterPressEvent(xE,keybd,count);
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    else if (xE->u.u.type==KeyRelease || xE->u.u.type==DeviceKeyRelease)
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	AccessXFilterReleaseEvent(xE,keybd,count);
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    return;
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}
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