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xkbwatch.c

/* $Xorg: xkbwatch.c,v 1.4 2000/08/17 19:54:51 cpqbld Exp $ */
/************************************************************
 Copyright (c) 1995 by Silicon Graphics Computer Systems, Inc.

 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 Silicon Graphics not be 
 used in advertising or publicity pertaining to distribution 
 of the software without specific prior written permission.
 Silicon Graphics makes no representation about the suitability 
 of this software for any purpose. It is provided "as is"
 without any express or implied warranty.
 
 SILICON GRAPHICS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS 
 SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY 
 AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
 GRAPHICS 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/xkbutils/xkbwatch.c,v 3.4 2001/01/17 23:46:14 dawes Exp $ */

#include <stdlib.h>
#include <X11/X.h>
#include <X11/Xlib.h>
#include <X11/XKBlib.h>
#include <X11/Intrinsic.h>
#include <X11/StringDefs.h>
#include <X11/Shell.h>
#include <X11/Xaw/Cardinals.h>
#include <X11/Xaw/Box.h>

#define     OPAQUE_DEFINED
#define     BOOLEAN_DEFINED
#define     DEBUG_VAR_NOT_LOCAL
#define     DEBUG_VAR debugFlags
#include "utils.h"
#include "LED.h"

/***====================================================================***/

      Display *   inDpy,*outDpy;
      int         evBase,errBase;
      Bool        synch;

/***====================================================================***/


static XrmOptionDescRec options[] = {
{"-off",    "*on.on",         XrmoptionNoArg,         "FALSE"},
{"-on",           "*on.on",         XrmoptionNoArg,         "TRUE"}
};

/***====================================================================***/

int
main(int argc, char *argv[])
{
Widget            toplevel;
XtAppContext      app_con;
Widget            panel;
Widget            base[XkbNumModifiers];
Widget            latched[XkbNumModifiers];
Widget            locked[XkbNumModifiers];
Widget            effective[XkbNumModifiers];
Widget            compat[XkbNumModifiers];
Widget            baseBox,latchBox,lockBox,effBox,compatBox;
register int      i;
unsigned    bit;
XkbEvent    ev;
XkbStateRec state;
static Arg  hArgs[]= {{ XtNorientation, (XtArgVal)XtorientHorizontal }};
static Arg  vArgs[]= {{ XtNorientation, (XtArgVal)XtorientVertical }};
static Arg  onArgs[]=  {{ XtNon, (XtArgVal)True }};
static Arg  offArgs[]=  {{ XtNon, (XtArgVal)False }};
static char *     fallback_resources[] = {
    "*Box*background: grey50",
    "*Box*borderWidth: 0",
    "*Box*vSpace: 1",
    NULL
};

    uSetEntryFile(NullString);
    uSetDebugFile(NullString);
    uSetErrorFile(NullString);
    toplevel = XtOpenApplication(&app_con, "XkbWatch",
                         options, XtNumber(options), &argc, argv, 
                         fallback_resources,
                         sessionShellWidgetClass, NULL, ZERO);
    if (toplevel==NULL) {
      uFatalError("Couldn't create application top level\n");
      exit(1);
    }
    inDpy= outDpy= XtDisplay(toplevel);
    if (inDpy) {
      int i1,mn,mj;
      mj= XkbMajorVersion;
      mn= XkbMinorVersion;
      if (!XkbQueryExtension(inDpy,&i1,&evBase,&errBase,&mj,&mn)) {
          uFatalError("Server doesn't support a compatible XKB\n");
          exit(1);
      }
    }
    panel= XtCreateManagedWidget("xkbwatch",boxWidgetClass,toplevel,vArgs,1);
    if (panel==NULL) {
      uFatalError("Couldn't create top level box\n");
      exit(1);
    }
    baseBox= XtCreateManagedWidget("base",boxWidgetClass,panel,hArgs,1);
    if (baseBox==NULL)
      uFatalError("Couldn't create base modifiers box\n");
    latchBox= XtCreateManagedWidget("latched",boxWidgetClass,panel,hArgs,1);
    if (latchBox==NULL)
      uFatalError("Couldn't create latched modifiers box\n");
    lockBox= XtCreateManagedWidget("locked",boxWidgetClass,panel,hArgs,1);
    if (lockBox==NULL)
      uFatalError("Couldn't create locked modifiers box\n");
    effBox= XtCreateManagedWidget("effective",boxWidgetClass,panel,hArgs,1);
    if (effBox==NULL)
      uFatalError("Couldn't create effective modifiers box\n");
    compatBox= XtCreateManagedWidget("compat",boxWidgetClass,panel,hArgs,1);
    if (compatBox==NULL)
      uFatalError("Couldn't create compatibility state box\n");
    XkbSelectEvents(inDpy,XkbUseCoreKbd,XkbStateNotifyMask,XkbStateNotifyMask);
    XkbGetState(inDpy,XkbUseCoreKbd,&state);
    for (i=XkbNumModifiers-1,bit=0x80;i>=0;i--,bit>>=1) {
      ArgList     list;
      char  buf[30];
      sprintf(buf,"base%d",i);
      if (state.base_mods&bit)      list= onArgs;
      else                    list= offArgs;
      base[i]= XtCreateManagedWidget(buf,ledWidgetClass,baseBox,list,1);
      sprintf(buf,"latched%d",i);
      if (state.latched_mods&bit)   list= onArgs;
      else                    list= offArgs;
      latched[i]= XtCreateManagedWidget(buf,ledWidgetClass,latchBox,list,1);
      sprintf(buf,"locked%d",i);
      if (state.locked_mods&bit)    list= onArgs;
      else                    list= offArgs;
      locked[i]= XtCreateManagedWidget(buf,ledWidgetClass,lockBox,list,1);
      sprintf(buf,"effective%d",i);
      if (state.mods&bit)           list= onArgs;
      else                    list= offArgs;
      effective[i]= XtCreateManagedWidget(buf,ledWidgetClass,effBox,list,1);
      sprintf(buf,"compat%d",i);
      if (state.compat_state&bit)   list= onArgs;
      else                    list= offArgs;
      compat[i]= XtCreateManagedWidget(buf,ledWidgetClass,compatBox,list,1);
    }
    XtRealizeWidget(toplevel);
    while (1) {
        XtAppNextEvent(app_con,&ev.core);
      if (ev.core.type==evBase+XkbEventCode) {
          if (ev.any.xkb_type==XkbStateNotify) {
            unsigned changed;
            if (ev.state.changed&XkbModifierBaseMask) {
                changed= ev.state.base_mods^state.base_mods;
                state.base_mods= ev.state.base_mods;
                for (i=0,bit=1;i<XkbNumModifiers;i++,bit<<=1) {
                  if (changed&bit) {
                      ArgList list;
                      if (state.base_mods&bit)  list= onArgs;
                      else                list= offArgs;
                      XtSetValues(base[i],list,1);
                  }
                }
            }
            if (ev.state.changed&XkbModifierLatchMask) {
                changed= ev.state.latched_mods^state.latched_mods;
                state.latched_mods= ev.state.latched_mods;
                for (i=0,bit=1;i<XkbNumModifiers;i++,bit<<=1) {
                  if (changed&bit) {
                      ArgList list;
                      if (state.latched_mods&bit)     list= onArgs;
                      else                list= offArgs;
                      XtSetValues(latched[i],list,1);
                  }
                }
            }
            if (ev.state.changed&XkbModifierLockMask) {
                changed= ev.state.locked_mods^state.locked_mods;
                state.locked_mods= ev.state.locked_mods;
                for (i=0,bit=1;i<XkbNumModifiers;i++,bit<<=1) {
                  if (changed&bit) {
                      ArgList list;
                      if (state.locked_mods&bit)      list= onArgs;
                      else                list= offArgs;
                      XtSetValues(locked[i],list,1);
                  }
                }
            }
            if (ev.state.changed&XkbModifierStateMask) {
                changed= ev.state.mods^state.mods;
                state.mods= ev.state.mods;
                for (i=0,bit=1;i<XkbNumModifiers;i++,bit<<=1) {
                  if (changed&bit) {
                      ArgList list;
                      if (state.mods&bit) list= onArgs;
                      else          list= offArgs;
                      XtSetValues(effective[i],list,1);
                  }
                }
            }
            if (ev.state.changed&XkbCompatStateMask) {
                changed= ev.state.compat_state^state.compat_state;
                state.compat_state= ev.state.compat_state;
                for (i=0,bit=1;i<XkbNumModifiers;i++,bit<<=1) {
                  if (changed&bit) {
                      ArgList list;
                      if (state.compat_state&bit)     list= onArgs;
                      else                list= offArgs;
                      XtSetValues(compat[i],list,1);
                  }
                }
            }
          }
      }
      else XtDispatchEvent(&ev.core);
    }
/* BAIL: */
    if (inDpy) 
      XCloseDisplay(inDpy);
    if (outDpy!=inDpy)
      XCloseDisplay(outDpy);
    inDpy= outDpy= NULL;
    return 0;
}

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