XawIm.c

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/* $XConsortium: XawIm.c,v 1.6 95/01/20 16:17:21 kaleb Exp $ */

/*
 * Copyright 1991 by OMRON Corporation
 *
 * 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, and that the name of OMRON not be used in advertising or
 * publicity pertaining to distribution of the software without specific,
 * written prior permission.  OMRON makes no representations about the
 * suitability of this software for any purpose.  It is provided "as is"
 * without express or implied warranty.
 *
 * OMRON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
 * OMRON 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 TORTUOUS ACTION,
 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
 * SOFTWARE. 
 *
 *      Author: Seiji Kuwari    OMRON Corporation
 *                              kuwa@omron.co.jp
 *                              kuwa%omron.co.jp@uunet.uu.net
 */                             


/*

Copyright (c) 1994  X Consortium

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

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
X CONSORTIUM 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 X Consortium 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 X Consortium.

*/

#include <X11/IntrinsicP.h>
#include <X11/StringDefs.h>
#include <X11/Xos.h>
#include <X11/Xfuncs.h>
#include <X11/ShellP.h>
#include <X11/Xaw3d/TextP.h>
#include <X11/Xaw3d/MultiSrc.h>
#include <X11/Xaw3d/MultiSinkP.h>
#include <X11/Xaw3d/XawImP.h>
#include <X11/Xaw3d/VendorEP.h>
#include "XawI18n.h"
#include <ctype.h>

#if NeedVarargsPrototypes
# include <stdarg.h>
# define Va_start(a,b) va_start(a,b)
#else
# include <varargs.h>
# define Va_start(a,b) va_start(a)
#endif

#define maxAscentOfFontSet(fontset)     \
        ( - (XExtentsOfFontSet((fontset)))->max_logical_extent.y)

#define maxHeightOfFontSet(fontset) \
        ((XExtentsOfFontSet((fontset)))->max_logical_extent.height)

#define maxDescentOfFontSet(fontset) \
        (maxHeightOfFontSet(fontset) - maxAscentOfFontSet(fontset))

#define Offset(field) (XtOffsetOf(XawIcTablePart, field))

/*****************************************************
 *
 * Forward reference prototypes
 *
 *****************************************************/
 
static XawIcTableList CurrentSharedIcTable( 
#if NeedFunctionPrototypes
    XawVendorShellExtPart* /* ve */ 
#endif
);

static void DestroyIC( 
#if NeedFunctionPrototypes
    Widget /* w */, 
    XawVendorShellExtPart* /* ve */
#endif
);

static XtResource resources[] =
{
    {
        XtNfontSet, XtCFontSet, XtRFontSet, sizeof(XFontSet),
        Offset (font_set), XtRString, XtDefaultFontSet
    },
    {
        XtNforeground, XtCForeground, XtRPixel, sizeof(Pixel),
        Offset (foreground), XtRString, (XtPointer)"XtDefaultForeground"
    },
    {
        XtNbackground, XtCBackground, XtRPixel, sizeof(Pixel),
        Offset (background), XtRString, (XtPointer)"XtDefaultBackground"
    },
    {
        XtNbackgroundPixmap, XtCPixmap, XtRPixmap, sizeof(Pixmap),
        Offset (bg_pixmap), XtRImmediate, (XtPointer) XtUnspecifiedPixmap
    },
    {
        XtNinsertPosition, XtCTextPosition, XtRInt, sizeof (XawTextPosition),
        Offset (cursor_position), XtRImmediate, (XtPointer) 0
    }
};
#undef Offset


static void SetVaArg( arg, value )
    XPointer *arg, value;
{
    *arg = value;
}

static VendorShellWidget SearchVendorShell( w )
    Widget w;
{
    while(w && !XtIsShell(w)) w = XtParent(w);
    if (w && XtIsVendorShell(w)) return((VendorShellWidget)w);
    return(NULL);
}

static XContext extContext = (XContext)NULL;

static XawVendorShellExtPart *SetExtPart( w, vew )
    VendorShellWidget w;
    XawVendorShellExtWidget vew;
{
    contextDataRec *contextData;

    if (extContext == (XContext)NULL) extContext = XUniqueContext();

    contextData = XtNew(contextDataRec);
    contextData->parent = (Widget)w;
    contextData->ve = (Widget)vew;
    if (XSaveContext(XtDisplay(w), (Window)w, extContext, (char *)contextData)) {
        return(NULL);
    }
    return(&(vew->vendor_ext));
}

static XawVendorShellExtPart *GetExtPart( w )
    VendorShellWidget w;
{
    contextDataRec *contextData;
    XawVendorShellExtWidget vew;

    if (XFindContext(XtDisplay(w), (Window)w, extContext,
                      (XPointer*)&contextData)) {
        return(NULL);
    }
    vew = (XawVendorShellExtWidget)contextData->ve;
    return(&(vew->vendor_ext));
}

static Boolean IsSharedIC( ve )
    XawVendorShellExtPart * ve;
{
    return( ve->ic.shared_ic );
}

static XawIcTableList GetIcTableShared( w, ve )
    Widget w;
    XawVendorShellExtPart * ve;
{
    XawIcTableList      p;

    for (p = ve->ic.ic_table; p; p = p->next) {
        if (p->widget == w) {
            if (IsSharedIC(ve)) {
                return(ve->ic.shared_ic_table);
            } else {
                return(p);
            }
        }
    }
    return(NULL);
}

static XawIcTableList GetIcTable( w, ve )
    Widget w;
    XawVendorShellExtPart * ve;
{
    XawIcTableList      p;

    for (p = ve->ic.ic_table; p; p = p->next) {
        if (p->widget == w) {
            return(p);
        }
    }
    return(NULL);
}

static XIMStyle GetInputStyleOfIC( ve )
    XawVendorShellExtPart * ve;
{

    if (!ve) return((XIMStyle)0);
    return(ve->ic.input_style);
}

static void ConfigureCB( w, closure, event )
    Widget      w;
    XtPointer   closure;
    XEvent *    event;
{
    XawIcTableList              p;
    XawVendorShellExtPart       *ve;
    VendorShellWidget           vw;
    XVaNestedList               pe_attr;
    XRectangle                  pe_area;
    XawTextMargin               *margin;

    if (event->type != ConfigureNotify) return;

    if ((vw = SearchVendorShell(w)) == NULL) return;

    if ((ve = GetExtPart(vw))) {
        if (IsSharedIC(ve)) return;
        if ((ve->im.xim == NULL) ||
            ((p = GetIcTableShared(w, ve)) == NULL) ||
            (p->xic == NULL) || !(p->input_style & XIMPreeditPosition)) return;
        pe_area.x = 0;
        pe_area.y = 0;
        pe_area.width = w->core.width;
        pe_area.height = w->core.height;
        margin = &(((TextWidget)w)->text.margin);
        pe_area.x += margin->left;
        pe_area.y += margin->top;
        pe_area.width -= (margin->left + margin->right - 1);
        pe_area.height -= (margin->top + margin->bottom - 1);

        pe_attr = XVaCreateNestedList(0, XNArea, &pe_area, NULL);
        XSetICValues(p->xic, XNPreeditAttributes, pe_attr, NULL);
        XtFree(pe_attr);
    }
}

static XContext errContext = (XContext)NULL;

static Widget SetErrCnxt( w, xim )
    Widget w;
    XIM xim;
{
    contextErrDataRec *contextErrData;

    if (errContext == (XContext)NULL) errContext = XUniqueContext();

    contextErrData = XtNew(contextErrDataRec);
    contextErrData->widget = w;
    contextErrData->xim = xim;
    if (XSaveContext(XtDisplay(w), (Window)xim, errContext,
        (char *)contextErrData)) {
        return(NULL);
    }
    return(contextErrData->widget);
}

static void CloseIM( ve )
    XawVendorShellExtPart * ve;
{
    if (ve->im.xim)
        XCloseIM(ve->im.xim);
}

static Dimension SetVendorShellHeight( ve, height )
    XawVendorShellExtPart* ve;
    Dimension height;
{
    Arg                 args[2];
    Cardinal            i = 0;

   if (ve->im.area_height < height || height == 0) {
       XtSetArg(args[i], XtNheight,
                (ve->parent->core.height + height - ve->im.area_height));
       ve->im.area_height = height;
       XtSetValues(ve->parent, args, 1);
   }
   return(ve->im.area_height);
}

static void DestroyAllIM( ve )
    XawVendorShellExtPart * ve;
{
    XawIcTableList      p;
    contextErrDataRec *contextErrData;

    /*
     * Destory all ICs
     */
    if (IsSharedIC(ve)) {
        if ((p = ve->ic.shared_ic_table) && p->xic) {
            DestroyIC(p->widget, ve);
            p->xic = NULL;
            p->ic_focused = FALSE;
        }
    } else {
        for (p = ve->ic.ic_table; p; p = p->next) {
            if (p->xic == NULL) continue;
            DestroyIC(p->widget, ve);
            p->xic = NULL;
            p->ic_focused = FALSE;
        }
    }
    if (!ve->im.xim) return;
    /*
     * Close Input Method
     */
    CloseIM(ve);
    if (!XFindContext(XDisplayOfIM(ve->im.xim), (Window)ve->im.xim, errContext,
                      (XPointer*)&contextErrData)) {
        if (contextErrData) XtFree((char *)contextErrData);
    }
    XDeleteContext(XDisplayOfIM(ve->im.xim), (Window)ve->im.xim, errContext);
    ve->im.xim = NULL;

    /*
     * resize vendor shell to core size
     */
    (void) SetVendorShellHeight(ve, 0);
    /*
    XawVendorShellExtResize(vw);
    */
    return;
}

static void FreeAllDataOfVendorShell(ve, vw)
    XawVendorShellExtPart * ve;
    VendorShellWidget vw;
{
    XawIcTableList       p, next;
    contextErrDataRec *contextErrData;

    if (!XFindContext(XtDisplay(vw), (Window)vw, extContext,
                      (XPointer*)&contextErrData)) {
        if (contextErrData) XtFree((char *)contextErrData);
    }
    XDeleteContext(XtDisplay(vw), (Window)vw, extContext);
    if (ve->ic.shared_ic_table)
        XtFree((char *)ve->ic.shared_ic_table);
    if (ve->im.resources) XtFree((char *)ve->im.resources);
    for (p = ve->ic.ic_table; p; p = next) {
        next = p->next;
        XtFree((char *)p);
    }
}

static void VendorShellDestroyed( w, cl_data, ca_data )
    Widget w;
    XtPointer cl_data, ca_data;
{
    XawVendorShellExtPart       *ve;

    if ( ( ve = GetExtPart( (VendorShellWidget) w ) ) == NULL ) return;
    DestroyAllIM( ve );
    FreeAllDataOfVendorShell( ve, (VendorShellWidget) w );
    return;
}

/*
 * Attempt to open an input method
 */

static void OpenIM(ve)
    XawVendorShellExtPart * ve;
{
    int         i;
    char        *p, *s, *ns, *end, *pbuf, buf[32];
    XIM         xim = NULL;
    XIMStyles   *xim_styles;
    XIMStyle    input_style = 0;
    Boolean     found;

    if (ve->im.open_im == False) return;
    ve->im.xim = NULL;
    if (ve->im.input_method == NULL) {
        if ((p = XSetLocaleModifiers("@im=none")) != NULL && *p)
            xim = XOpenIM(XtDisplay(ve->parent), NULL, NULL, NULL);
    } else {
        /* no fragment can be longer than the whole string */
        int     len = strlen (ve->im.input_method) + 5;

        if (len < sizeof buf) pbuf = buf;
        else pbuf = XtMalloc (len);

        if (pbuf == NULL) return;

        for(ns=s=ve->im.input_method; ns && *s;) {
            /* skip any leading blanks */
            while (*s && isspace(*s)) s++;
            if (!*s) break;
            if ((ns = end = strchr(s, ',')) == NULL)
                end = s + strlen(s);
            /* strip any trailing blanks */
            while (isspace(*end)) end--;

            strcpy (pbuf, "@im=");
            strncat (pbuf, s, end - s);
            pbuf[end - s + 4] = '\0';

            if ((p = XSetLocaleModifiers(pbuf)) != NULL && *p
                && (xim = XOpenIM(XtDisplay(ve->parent), NULL, NULL, NULL)) != NULL)
                break;

            s = ns + 1;
        }

        if (pbuf != buf) XtFree (pbuf);
    }
    if (xim == NULL) {
        if ((p = XSetLocaleModifiers("")) != NULL) {
            xim = XOpenIM(XtDisplay(ve->parent), NULL, NULL, NULL);
        }
    }
    if (xim == NULL) {
        XtAppWarning(XtWidgetToApplicationContext(ve->parent),
            "Input Method Open Failed");
        return;
    }
    if (XGetIMValues(xim, XNQueryInputStyle, &xim_styles, NULL)
        || !xim_styles) {
        XtAppWarning(XtWidgetToApplicationContext(ve->parent), 
            "input method doesn't support any style");
        XCloseIM(xim);
        return;
    }
    found = False;
    for(ns = s = ve->im.preedit_type; s && !found;) {
        while (*s && isspace(*s)) s++;
        if (!*s) break;
        if ((ns = end = strchr(s, ',')) == NULL)
            end = s + strlen(s);
        while (isspace(*end)) end--;

        if (!strncmp(s, "OverTheSpot", end - s)) {
            input_style = (XIMPreeditPosition | XIMStatusArea);
        } else if (!strncmp(s, "OffTheSpot", end - s)) {
            input_style = (XIMPreeditArea | XIMStatusArea);
        } else if (!strncmp(s, "Root", end - s)) {
            input_style = (XIMPreeditNothing | XIMStatusNothing);
        }
        for (i = 0; (unsigned short)i < xim_styles->count_styles; i++)
            if (input_style == xim_styles->supported_styles[i]) {
                ve->ic.input_style = input_style;
                SetErrCnxt(ve->parent, xim);
                ve->im.xim = xim;
                found = True;
                break;
            }

        s = ns + 1;
    }
    XFree(xim_styles);

    if (!found) {
        XCloseIM(xim);
        XtAppWarning(XtWidgetToApplicationContext(ve->parent),
                     "input method doesn't support my input style");
    }
}

static Boolean ResizeVendorShell_Core(vw, ve, p)
    VendorShellWidget vw;
    XawVendorShellExtPart * ve;
    XawIcTableList p;
{
    XVaNestedList               pe_attr, st_attr;
    XRectangle                  pe_area, st_area;
    XRectangle                  *get_pe_area = NULL, *get_st_area = NULL;

    st_area.width = 0;
    if (p->input_style & XIMStatusArea) {
        st_attr = XVaCreateNestedList(0, XNArea, &get_st_area, NULL);
        XGetICValues(p->xic, XNStatusAttributes, st_attr, NULL);
        XFree(st_attr);
        if (p->xic == NULL) {
            return(FALSE);
        }
        st_area.x = 0;
        st_area.y = vw->core.height - ve->im.area_height;
        st_area.width = get_st_area->width;
        st_area.height = get_st_area->height;
        XFree(get_st_area);
        st_attr = XVaCreateNestedList(0, XNArea, &st_area, NULL);
        XSetICValues(p->xic, XNStatusAttributes, st_attr, NULL);
        XFree(st_attr);
        if (p->xic == NULL) {
            return(FALSE);
        }
    }
    if (p->input_style & XIMPreeditArea) {
        pe_attr = XVaCreateNestedList(0, XNArea, &get_pe_area, NULL);
        XGetICValues(p->xic, XNPreeditAttributes, pe_attr, NULL);
        XFree(pe_attr);
        if (p->xic == NULL) {
            return(FALSE);
        }
        pe_area.x = st_area.width;
        pe_area.y = vw->core.height - ve->im.area_height;
        pe_area.width = vw->core.width;
        pe_area.height = get_pe_area->height;
        if (p->input_style & XIMStatusArea) {
            pe_area.width -= st_area.width;
        }
        XFree(get_pe_area);
        pe_attr = XVaCreateNestedList(0, XNArea, &pe_area, NULL);
        XSetICValues(p->xic, XNPreeditAttributes, pe_attr, NULL);
        XFree(pe_attr);
    }
    return(TRUE);
}

static void ResizeVendorShell(vw, ve)
    VendorShellWidget vw;
    XawVendorShellExtPart * ve;
{
    XawIcTableList               p;

    if (IsSharedIC(ve)) {
        p = ve->ic.shared_ic_table;
        if (p->xic == NULL) return;
        ResizeVendorShell_Core(vw, ve, p);
        return;
    }
    for (p = ve->ic.ic_table; p; p = p->next) {
        if (p->xic == NULL) continue;
        if (ResizeVendorShell_Core(vw, ve, p) == FALSE) return;
    }
}

static XawIcTableList CreateIcTable( w, ve )
    Widget w;
    XawVendorShellExtPart * ve;
{
    XawIcTableList      table;

    table = (XawIcTableList) XtMalloc(sizeof(XawIcTablePart));
    if (table == NULL) return(NULL);
    table->widget = w;
    table->xic = NULL;
    table->flg = table->prev_flg = 0;
    table->font_set = NULL;
    table->foreground = table->background = 0xffffffff;
    table->bg_pixmap = 0;
    table->cursor_position = 0xffff;
    table->line_spacing = 0;
    table->ic_focused = FALSE;
    table->openic_error = FALSE;
    return(table);
}

static Boolean RegisterToVendorShell( w, ve )
    Widget w; 
    XawVendorShellExtPart * ve;
{
    XawIcTableList      table;

    if ((table = CreateIcTable(w, ve)) == NULL) return(FALSE);
    table->next = ve->ic.ic_table;
    ve->ic.ic_table = table;
    return(TRUE);
}

static void UnregisterFromVendorShell(w, ve)
    Widget w;
    XawVendorShellExtPart * ve;
{
    XawIcTableList      *prev, p;

    for (prev = &ve->ic.ic_table; (p = *prev); prev = &p->next) {
        if (p->widget == w) {
            *prev = p->next;
            XtFree((char *)p);
            break;
        }
    }
    return;
}

static void SetICValuesShared(w, ve, p, check)
    Widget w;
    XawVendorShellExtPart * ve;
    XawIcTableList      p;
    Boolean     check;
{
    XawIcTableList      pp;

    if ((pp = GetIcTable(w, ve)) == NULL) return;
    if (check == TRUE && CurrentSharedIcTable(ve) != pp) return;

    if (pp->prev_flg & CICursorP && p->cursor_position != pp->cursor_position) {
        p->cursor_position = pp->cursor_position;
        p->flg |= CICursorP;
    }
    if (pp->prev_flg & CIFontSet && p->font_set != pp->font_set) {
        p->font_set = pp->font_set;
        p->flg |= (CIFontSet|CICursorP);
    }
    if (pp->prev_flg & CIFg && p->foreground != pp->foreground) {
        p->foreground = pp->foreground;
        p->flg |= CIFg;
    }
    if (pp->prev_flg & CIBg && p->background != pp->background) {
        p->background = pp->background;
        p->flg |= CIBg;
    }
    if (pp->prev_flg & CIBgPixmap && p->bg_pixmap != pp->bg_pixmap) {
        p->bg_pixmap = pp->bg_pixmap;
        p->flg |= CIBgPixmap;
    }
    if (pp->prev_flg & CILineS && p->line_spacing != pp->line_spacing) {
        p->line_spacing = pp->line_spacing;
        p->flg |= CILineS;
    }
}

static Boolean IsCreatedIC(w, ve)
    Widget w;
    XawVendorShellExtPart * ve;
{
    XawIcTableList      p;

    if (ve->im.xim == NULL) return(FALSE);
    if ((p = GetIcTableShared(w, ve)) == NULL) return(FALSE);
    if (p->xic == NULL) return(FALSE);
    return(TRUE);
}

static void SizeNegotiation(p, width, height)
    XawIcTableList      p;
    Dimension           width, height;
{
    XRectangle          pe_area, st_area;
    XVaNestedList       pe_attr = NULL, st_attr = NULL;
    int                 ic_cnt = 0, pe_cnt = 0, st_cnt = 0;
    XRectangle          *pe_area_needed = NULL, *st_area_needed = NULL;
    XPointer            ic_a[5];

    if (p->input_style & XIMPreeditArea) {
        pe_attr = XVaCreateNestedList(0, XNAreaNeeded, &pe_area_needed, NULL);
        SetVaArg( &ic_a[ic_cnt], (XPointer) XNPreeditAttributes); ic_cnt++;
        SetVaArg( &ic_a[ic_cnt], (XPointer) pe_attr); ic_cnt++;
    }
    if (p->input_style & XIMStatusArea) {
        st_attr = XVaCreateNestedList(0, XNAreaNeeded, &st_area_needed, NULL);
        SetVaArg( &ic_a[ic_cnt], (XPointer) XNStatusAttributes); ic_cnt++;
        SetVaArg( &ic_a[ic_cnt], (XPointer) st_attr); ic_cnt++;
    }
    SetVaArg( &ic_a[ic_cnt], (XPointer) NULL);

    if (ic_cnt > 0) {
        XGetICValues(p->xic, ic_a[0], ic_a[1], ic_a[2], ic_a[3], ic_a[4]);
        if (pe_attr) XFree(pe_attr);
        if (st_attr) XFree(st_attr);
        if (p->xic == NULL) {
            p->openic_error = True;
            return;
        }
        pe_attr = st_attr = NULL;
        ic_cnt = pe_cnt = st_cnt = 0;
        if (p->input_style & XIMStatusArea) {
            st_area.height = st_area_needed->height;
            st_area.x = 0;
            st_area.y = height - st_area.height;
            if (p->input_style & XIMPreeditArea) {
                st_area.width = st_area_needed->width;
            } else {
                st_area.width = width;
            }

            XFree(st_area_needed);
            st_attr = XVaCreateNestedList(0, XNArea, &st_area, NULL);
            SetVaArg( &ic_a[ic_cnt], (XPointer) XNStatusAttributes); ic_cnt++;
            SetVaArg( &ic_a[ic_cnt], (XPointer) st_attr); ic_cnt++;
        }
        if (p->input_style & XIMPreeditArea) {
            if (p->input_style & XIMStatusArea) {
                pe_area.x = st_area.width;
                pe_area.width = width - st_area.width;
            } else {
                pe_area.x = 0;
                pe_area.width = width;
            }
            pe_area.height = pe_area_needed->height;
            XFree(pe_area_needed);
            pe_area.y = height - pe_area.height;
            pe_attr = XVaCreateNestedList(0, XNArea, &pe_area, NULL);
            SetVaArg( &ic_a[ic_cnt], (XPointer) XNPreeditAttributes); ic_cnt++;
            SetVaArg( &ic_a[ic_cnt], (XPointer) pe_attr); ic_cnt++;
        }
        SetVaArg( &ic_a[ic_cnt], (XPointer) NULL);
        XSetICValues(p->xic, ic_a[0], ic_a[1], ic_a[2], ic_a[3], ic_a[4]);
        if (pe_attr) XFree(pe_attr);
        if (st_attr) XFree(st_attr);
        if (p->xic == NULL) {
            p->openic_error = True;
            return;
        }
    }
}

static void CreateIC( w, ve )
    Widget w;
    XawVendorShellExtPart* ve;
{
    XawIcTableList      p;
    XPoint              position;
    XRectangle          pe_area, st_area;
    XVaNestedList       pe_attr = NULL, st_attr = NULL;
    XPointer            ic_a[20], pe_a[20], st_a[20];
    Dimension           height = 0;
    int                 ic_cnt = 0, pe_cnt = 0, st_cnt = 0;
    XawTextMargin       *margin;

    if (!XtIsRealized(w)) return;
    if (((ve->im.xim == NULL) || (p = GetIcTableShared(w, ve)) == NULL) ||
        p->xic || (p->openic_error != FALSE)) return;

    p->input_style = GetInputStyleOfIC(ve);

    if (IsSharedIC(ve)) SetICValuesShared(w, ve, p, FALSE);
    XFlush(XtDisplay(w));
    
    if (p->input_style & (XIMPreeditArea|XIMPreeditPosition|XIMStatusArea)) {
        if (p->flg & CIFontSet) {
            SetVaArg( &pe_a[pe_cnt], (XPointer) XNFontSet); pe_cnt++;
            SetVaArg( &pe_a[pe_cnt], (XPointer) p->font_set); pe_cnt++;
            SetVaArg( &st_a[st_cnt], (XPointer) XNFontSet); st_cnt++;
            SetVaArg( &st_a[st_cnt], (XPointer) p->font_set); st_cnt++;
            height = maxAscentOfFontSet(p->font_set)
                   + maxDescentOfFontSet(p->font_set);
            height = SetVendorShellHeight(ve, height);
        }
        if (p->flg & CIFg) {
            SetVaArg( &pe_a[pe_cnt], (XPointer) XNForeground); pe_cnt++;
            SetVaArg( &pe_a[pe_cnt], (XPointer) p->foreground); pe_cnt++;
            SetVaArg( &st_a[st_cnt], (XPointer) XNForeground); st_cnt++;
            SetVaArg( &st_a[st_cnt], (XPointer) p->foreground); st_cnt++;
        }
        if (p->flg & CIBg) {
            SetVaArg( &pe_a[pe_cnt], (XPointer) XNBackground); pe_cnt++;
            SetVaArg( &pe_a[pe_cnt], (XPointer) p->background); pe_cnt++;
            SetVaArg( &st_a[st_cnt], (XPointer) XNBackground); st_cnt++;
            SetVaArg( &st_a[st_cnt], (XPointer) p->background); st_cnt++;
        }
        if (p->flg & CIBgPixmap) {
            SetVaArg( &pe_a[pe_cnt], (XPointer) XNBackgroundPixmap); pe_cnt++;
            SetVaArg( &pe_a[pe_cnt], (XPointer) p->bg_pixmap); pe_cnt++;
            SetVaArg( &st_a[st_cnt], (XPointer) XNBackgroundPixmap); st_cnt++;
            SetVaArg( &st_a[st_cnt], (XPointer) p->bg_pixmap); st_cnt++;
        }
        if (p->flg & CILineS) {
            SetVaArg( &pe_a[pe_cnt], (XPointer) XNLineSpace); pe_cnt++;
            SetVaArg( &pe_a[pe_cnt], (XPointer) p->line_spacing); pe_cnt++;
            SetVaArg( &st_a[st_cnt], (XPointer) XNLineSpace); st_cnt++;
            SetVaArg( &st_a[st_cnt], (XPointer) p->line_spacing); st_cnt++;
        }
    }
    if (p->input_style & XIMPreeditArea) {
        pe_area.x = 0;
        pe_area.y = ve->parent->core.height - height;
        pe_area.width = ve->parent->core.width;
        pe_area.height = height;
        SetVaArg( &pe_a[pe_cnt], (XPointer) XNArea); pe_cnt++;
        SetVaArg( &pe_a[pe_cnt], (XPointer) &pe_area); pe_cnt++;
    }
    if (p->input_style & XIMPreeditPosition) {
        pe_area.x = 0;
        pe_area.y = 0;
        pe_area.width = w->core.width;
        pe_area.height = w->core.height;
        margin = &(((TextWidget)w)->text.margin);
        pe_area.x += margin->left;
        pe_area.y += margin->top;
        pe_area.width -= (margin->left + margin->right - 1);
        pe_area.height -= (margin->top + margin->bottom - 1);
        SetVaArg( &pe_a[pe_cnt], (XPointer) XNArea); pe_cnt++;
        SetVaArg( &pe_a[pe_cnt], (XPointer) &pe_area); pe_cnt++;
        if (p->flg & CICursorP) {
            _XawMultiSinkPosToXY(w, p->cursor_position, &position.x, &position.y);
        } else {
            position.x = position.y = 0;
        }
        SetVaArg( &pe_a[pe_cnt], (XPointer) XNSpotLocation); pe_cnt++;
        SetVaArg( &pe_a[pe_cnt], (XPointer) &position); pe_cnt++;
    }
    if (p->input_style & XIMStatusArea) {
        st_area.x = 0;
        st_area.y = ve->parent->core.height - height;
        st_area.width = ve->parent->core.width;
        st_area.height = height;
        SetVaArg( &st_a[st_cnt], (XPointer) XNArea); st_cnt++;
        SetVaArg( &st_a[st_cnt], (XPointer) &st_area); st_cnt++;
    }

    SetVaArg( &ic_a[ic_cnt], (XPointer) XNInputStyle); ic_cnt++;
    SetVaArg( &ic_a[ic_cnt], (XPointer) p->input_style); ic_cnt++;
    SetVaArg( &ic_a[ic_cnt], (XPointer) XNClientWindow); ic_cnt++;
    SetVaArg( &ic_a[ic_cnt], (XPointer) XtWindow(ve->parent)); ic_cnt++;
    SetVaArg( &ic_a[ic_cnt], (XPointer) XNFocusWindow); ic_cnt++;
    SetVaArg( &ic_a[ic_cnt], (XPointer) XtWindow(w)); ic_cnt++;

    if (pe_cnt > 0) {
        SetVaArg( &pe_a[pe_cnt], (XPointer) NULL);
        pe_attr = XVaCreateNestedList(0, pe_a[0], pe_a[1], pe_a[2], pe_a[3],
                                   pe_a[4], pe_a[5], pe_a[6], pe_a[7], pe_a[8],
                                   pe_a[9], pe_a[10], pe_a[11], pe_a[12],
                                   pe_a[13], pe_a[14], pe_a[15], pe_a[16],
                                   pe_a[17], pe_a[18],  pe_a[19]);
        SetVaArg( &ic_a[ic_cnt], (XPointer) XNPreeditAttributes); ic_cnt++;
        SetVaArg( &ic_a[ic_cnt], (XPointer) pe_attr); ic_cnt++;
    }

    if (st_cnt > 0) {
        SetVaArg( &st_a[st_cnt], (XPointer) NULL);
        st_attr = XVaCreateNestedList(0, st_a[0], st_a[1], st_a[2], st_a[3],
                                   st_a[4], st_a[5], st_a[6], st_a[7], st_a[8],
                                   st_a[9], st_a[10], st_a[11], st_a[12],
                                   st_a[13], st_a[14], st_a[15], st_a[16],
                                   st_a[17], st_a[18],  st_a[19]);
        SetVaArg( &ic_a[ic_cnt], (XPointer) XNStatusAttributes); ic_cnt++;
        SetVaArg( &ic_a[ic_cnt], (XPointer) st_attr); ic_cnt++;
    }
    SetVaArg( &ic_a[ic_cnt], (XPointer) NULL);

    p->xic = XCreateIC(ve->im.xim, ic_a[0], ic_a[1], ic_a[2], ic_a[3],
                       ic_a[4], ic_a[5], ic_a[6], ic_a[7], ic_a[8], ic_a[9],
                       ic_a[10], ic_a[11], ic_a[12], ic_a[13], ic_a[14],
                       ic_a[15], ic_a[16], ic_a[17], ic_a[18], ic_a[19]);
    if (pe_attr) XtFree(pe_attr);
    if (st_attr) XtFree(st_attr);

    if (p->xic == NULL) {
        p->openic_error = True;
        return;
    }

    SizeNegotiation(p, ve->parent->core.width, ve->parent->core.height);

    p->flg &= ~(CIFontSet | CIFg | CIBg | CIBgPixmap | CICursorP | CILineS);

    if (!IsSharedIC(ve)) {
        if (p->input_style & XIMPreeditPosition) {
            XtAddEventHandler(w, (EventMask)StructureNotifyMask, FALSE,
                              (XtEventHandler)ConfigureCB, (Opaque)NULL);
        }
    }
}

static void SetICValues( w, ve, focus )
    Widget      w;
    XawVendorShellExtPart       *ve;
    Boolean     focus;
{
    XawIcTableList      p;
    XPoint              position;
    XRectangle          pe_area;
    XVaNestedList       pe_attr = NULL, st_attr = NULL;
    XPointer            ic_a[20], pe_a[20], st_a[20];
    int                 ic_cnt = 0, pe_cnt = 0, st_cnt = 0;
    XawTextMargin       *margin;
    int                 height;

    if ((ve->im.xim == NULL) || ((p = GetIcTableShared(w, ve)) == NULL) ||
        (p->xic == NULL)) return;

    if (IsSharedIC(ve)) SetICValuesShared(w, ve, p, TRUE);
    XFlush(XtDisplay(w));
    if (focus == FALSE &&
        !(p->flg & (CIFontSet | CIFg | CIBg |
                    CIBgPixmap | CICursorP | CILineS))) return;
#ifdef SPOT
    if ((p->input_style & XIMPreeditPosition)
        && ((!IsSharedIC(ve) && ((p->flg & ~CIICFocus) == CICursorP))
            || (IsSharedIC(ve) && p->flg == CICursorP))) {
        _XawMultiSinkPosToXY(w, p->cursor_position, &position.x, &position.y);
        _XipChangeSpot(p->xic, position.x, position.y);
        p->flg &= ~CICursorP;
        return;
    }
#endif

    if (p->input_style & (XIMPreeditArea|XIMPreeditPosition|XIMStatusArea)) {
        if (p->flg & CIFontSet) {
            SetVaArg( &pe_a[pe_cnt], (XPointer) XNFontSet); pe_cnt++;
            SetVaArg( &pe_a[pe_cnt], (XPointer) p->font_set); pe_cnt++;
            SetVaArg( &st_a[st_cnt], (XPointer) XNFontSet); st_cnt++;
            SetVaArg( &st_a[st_cnt], (XPointer) p->font_set); st_cnt++;
            height = maxAscentOfFontSet(p->font_set)
                   + maxDescentOfFontSet(p->font_set);
            height = SetVendorShellHeight(ve, height);
        }
        if (p->flg & CIFg) {
            SetVaArg( &pe_a[pe_cnt], (XPointer) XNForeground); pe_cnt++;
            SetVaArg( &pe_a[pe_cnt], (XPointer) p->foreground); pe_cnt++;
            SetVaArg( &st_a[st_cnt], (XPointer) XNForeground); st_cnt++;
            SetVaArg( &st_a[st_cnt], (XPointer) p->foreground); st_cnt++;
        }
        if (p->flg & CIBg) {
            SetVaArg( &pe_a[pe_cnt], (XPointer) XNBackground); pe_cnt++;
            SetVaArg( &pe_a[pe_cnt], (XPointer) p->background); pe_cnt++;
            SetVaArg( &st_a[st_cnt], (XPointer) XNBackground); st_cnt++;
            SetVaArg( &st_a[st_cnt], (XPointer) p->background); st_cnt++;
        }
        if (p->flg & CIBgPixmap) {
            SetVaArg( &pe_a[pe_cnt], (XPointer) XNBackgroundPixmap); pe_cnt++;
            SetVaArg( &pe_a[pe_cnt], (XPointer) p->bg_pixmap); pe_cnt++;
            SetVaArg( &st_a[st_cnt], (XPointer) XNBackgroundPixmap); st_cnt++;
            SetVaArg( &st_a[st_cnt], (XPointer) p->bg_pixmap); st_cnt++;
        }
        if (p->flg & CILineS) {
            SetVaArg( &pe_a[pe_cnt], (XPointer) XNLineSpace); pe_cnt++;
            SetVaArg( &pe_a[pe_cnt], (XPointer) p->line_spacing); pe_cnt++;
            SetVaArg( &st_a[st_cnt], (XPointer) XNLineSpace); st_cnt++;
            SetVaArg( &st_a[st_cnt], (XPointer) p->line_spacing); st_cnt++;
        }
    }
    if (p->input_style & XIMPreeditPosition) {
        if (p->flg & CICursorP) {
            _XawMultiSinkPosToXY(w, p->cursor_position, &position.x, &position.y);
            SetVaArg( &pe_a[pe_cnt], (XPointer) XNSpotLocation); pe_cnt++;
            SetVaArg( &pe_a[pe_cnt], (XPointer) &position); pe_cnt++;
        }
    }
    if (IsSharedIC(ve)) {
        if (p->input_style & XIMPreeditPosition) {
            pe_area.x = 0;
            pe_area.y = 0;
            pe_area.width = w->core.width;
            pe_area.height = w->core.height;
            margin = &(((TextWidget)w)->text.margin);
            pe_area.x += margin->left;
            pe_area.y += margin->top;
            pe_area.width -= (margin->left + margin->right - 1);
            pe_area.height -= (margin->top + margin->bottom - 1);
            SetVaArg( &pe_a[pe_cnt], (XPointer) XNArea); pe_cnt++;
            SetVaArg( &pe_a[pe_cnt], (XPointer) &pe_area); pe_cnt++;
        }
    }

    if (pe_cnt > 0) {
        SetVaArg( &pe_a[pe_cnt], (XPointer) NULL);
        pe_attr = XVaCreateNestedList(0, pe_a[0], pe_a[1], pe_a[2], pe_a[3],
                                      pe_a[4], pe_a[5], pe_a[6], pe_a[7],
                                      pe_a[8], pe_a[9], pe_a[10], pe_a[11],
                                      pe_a[12], pe_a[13], pe_a[14], pe_a[15],
                                      pe_a[16], pe_a[17], pe_a[18],  pe_a[19]);
        SetVaArg( &ic_a[ic_cnt], (XPointer) XNPreeditAttributes); ic_cnt++;
        SetVaArg( &ic_a[ic_cnt], (XPointer) pe_attr); ic_cnt++;
    }
    if (st_cnt > 0) {
        SetVaArg( &st_a[st_cnt], (XPointer) NULL);
        st_attr = XVaCreateNestedList(0, st_a[0], st_a[1], st_a[2], st_a[3],
                                      st_a[4], st_a[5], st_a[6], st_a[7],
                                      st_a[8], st_a[9], st_a[10], st_a[11],
                                      st_a[12], st_a[13], st_a[14], st_a[15],
                                      st_a[16], st_a[17], st_a[18],  st_a[19]);
        SetVaArg( &ic_a[ic_cnt], (XPointer) XNStatusAttributes); ic_cnt++;
        SetVaArg( &ic_a[ic_cnt], (XPointer) st_attr); ic_cnt++;
    }
    if (focus == TRUE) {
        SetVaArg( &ic_a[ic_cnt], (XPointer) XNFocusWindow); ic_cnt++;
        SetVaArg( &ic_a[ic_cnt], (XPointer) XtWindow(w)); ic_cnt++;
    }
    if (ic_cnt > 0) {
        SetVaArg( &ic_a[ic_cnt], (XPointer) NULL);
        XSetICValues(p->xic, ic_a[0], ic_a[1], ic_a[2], ic_a[3], ic_a[4],
                     ic_a[5], ic_a[6], ic_a[7], ic_a[8], ic_a[9], ic_a[10],
                     ic_a[11], ic_a[12], ic_a[13], ic_a[14], ic_a[15],
                     ic_a[16], ic_a[17], ic_a[18], ic_a[19]);
        if (pe_attr) XtFree(pe_attr);
        if (st_attr) XtFree(st_attr);
    }

    if (IsSharedIC(ve) && p->flg & CIFontSet)
        SizeNegotiation(p, ve->parent->core.width, ve->parent->core.height);

    p->flg &= ~(CIFontSet | CIFg | CIBg | CIBgPixmap | CICursorP | CILineS);
}

static void SharedICChangeFocusWindow(w, ve, p)
    Widget              w;
    XawVendorShellExtPart       *ve;
    XawIcTableList      p;
{
    XawIcTableList      pp;

    if (w == NULL) {
        ve->ic.current_ic_table = NULL;
        return;
    }
    if ((pp = GetIcTable(w, ve)) == NULL) return;
    ve->ic.current_ic_table = pp;
    SetICValues(w, ve, TRUE);
}

static XawIcTableList CurrentSharedIcTable( ve )
    XawVendorShellExtPart * ve;
{
    return(ve->ic.current_ic_table);
}

static void SetICFocus(w, ve)
    Widget w;
    XawVendorShellExtPart * ve;
{
    XawIcTableList      p, pp;

    if ((ve->im.xim == NULL) || ((p = GetIcTableShared(w, ve)) == NULL) ||
        (p->xic == NULL)) return;

    if (IsSharedIC(ve)) {
        pp = CurrentSharedIcTable(ve);
        if (pp == NULL || pp->widget != w) {
            SharedICChangeFocusWindow(w, ve, p);
        }
    }
    if (p->flg & CIICFocus && p->ic_focused == FALSE) {
        p->ic_focused = TRUE;
        XSetICFocus(p->xic);
    }
    p->flg &= ~CIICFocus;
}

static void UnsetICFocus(w, ve)
    Widget w;
    XawVendorShellExtPart * ve;
{
    XawIcTableList      p, pp;

    if ((ve->im.xim == NULL) || ((p = GetIcTableShared(w, ve)) == NULL) ||
        (p->xic == NULL)) return;

    if (IsSharedIC(ve) && (pp = CurrentSharedIcTable(ve))) {
        if (pp->widget != w) {
            return;
        }
        SharedICChangeFocusWindow(NULL, ve, p);
    }
    if (p->ic_focused == TRUE) {
        XUnsetICFocus(p->xic);
        p->ic_focused = FALSE;
    }
}

static void SetValues( w, ve, args, num_args )
    Widget w;
    XawVendorShellExtPart * ve;
    ArgList args;
    Cardinal num_args;
{
    ArgList     arg;

    XrmName     argName;
    XrmResourceList     xrmres;
    int i;
    XawIcTablePart      *p, save_tbl;

    if ((p = GetIcTable(w, ve)) == NULL) return;

    memcpy(&save_tbl, p, sizeof(XawIcTablePart));

    for (arg = args ; num_args != 0; num_args--, arg++) {
        argName = XrmStringToName(arg->name);
        for (xrmres = (XrmResourceList)ve->im.resources, i = 0;
             i < ve->im.num_resources; i++, xrmres++) {
            if (argName == xrmres->xrm_name) {
                _XtCopyFromArg(arg->value,
                               (char *)p - xrmres->xrm_offset - 1,
                               xrmres->xrm_size);
                break;
            }
        }
    }
    if (p->font_set != save_tbl.font_set) {
        p->flg |= CIFontSet;
    }
    if (p->foreground != save_tbl.foreground) {
        p->flg |= CIFg;
    }
    if (p->background !=save_tbl.background) {
        p->flg |= CIBg;
    }
    if (p->bg_pixmap != save_tbl.bg_pixmap) {
        p->flg |= CIBgPixmap;
    }
    if (p->cursor_position != save_tbl.cursor_position) {
        p->flg |= CICursorP;
    }
    if (p->line_spacing != save_tbl.line_spacing) {
        p->flg |= CILineS;
    }
    p->prev_flg |= p->flg;
}

static void SetFocus( w, ve )
    Widget w;
    XawVendorShellExtPart *ve;
{
    XawIcTableList      p;
    if ((p = GetIcTableShared(w, ve)) == NULL) return;

    if ( p->ic_focused == FALSE || IsSharedIC(ve)) {
        p->flg |= CIICFocus;
    }
    p->prev_flg |= p->flg;
}

static void DestroyIC(w, ve)
    Widget w;
    XawVendorShellExtPart *ve;
{
    XawIcTableList      p;

    if ((ve->im.xim == NULL) || ((p = GetIcTableShared(w, ve)) == NULL) ||
        (p->xic == NULL)) return;
    if (IsSharedIC(ve)) {
        if (GetIcTable(w, ve) == ve->ic.current_ic_table) {
            UnsetICFocus(w, ve);
        }
        return;
    }
    XDestroyIC(p->xic);
    if (!IsSharedIC(ve)) {
        if (p->input_style & XIMPreeditPosition) {
            XtRemoveEventHandler(w, (EventMask)StructureNotifyMask, FALSE,
                                 (XtEventHandler)ConfigureCB, (Opaque)NULL);
        }
    }
}

static void SetFocusValues( inwidg, args, num_args, focus )
    Widget      inwidg;
    ArgList     args;
    Cardinal    num_args;
    Boolean     focus;
{
    XawVendorShellExtPart       *ve;
    VendorShellWidget           vw;

    if ((vw = SearchVendorShell(inwidg)) == NULL) return;
    if ((ve = GetExtPart(vw))) {
        if (num_args > 0) SetValues(inwidg, ve, args, num_args);
        if (focus) SetFocus(inwidg, ve);
        if (XtIsRealized((Widget)vw) && ve->im.xim) {
            if (IsCreatedIC(inwidg, ve)) {
                SetICValues(inwidg, ve, FALSE);
                if (focus) SetICFocus(inwidg, ve);
            } else {
                CreateIC(inwidg, ve);
                SetICFocus(inwidg, ve);
            }
        }
    }
}

static void UnsetFocus( inwidg )
    Widget inwidg;
{
    XawVendorShellExtPart       *ve;
    VendorShellWidget           vw;
    XawIcTableList              p;

    if ((vw = SearchVendorShell(inwidg)) == NULL) return;
    if ((ve = GetExtPart(vw))) {
        if ((p = GetIcTableShared(inwidg, ve)) == NULL) return;
        if (p->flg & CIICFocus) {
            p->flg &= ~CIICFocus;
        }
        p->prev_flg &= ~CIICFocus;
        if (ve->im.xim && XtIsRealized((Widget)vw) && p->xic) {
            UnsetICFocus(inwidg, ve);
        }
    }
}

static Boolean IsRegistered( w, ve )
    Widget w;
    XawVendorShellExtPart* ve;
{
    XawIcTableList      p;

    for (p = ve->ic.ic_table; p; p = p->next)
        {
            if (p->widget == w) return(TRUE);
        }
    return(FALSE);
}

static void Register(inwidg, ve)
    Widget inwidg;
    XawVendorShellExtPart* ve;
{
    if (ve->im.xim == NULL)
        {
            OpenIM(ve);
        }

    if (IsRegistered(inwidg, ve)) return;

    if (RegisterToVendorShell(inwidg, ve) == FALSE) return;

    if (ve->im.xim == NULL) return;

    if (XtIsRealized(ve->parent))
        {
            CreateIC(inwidg, ve);
            SetICFocus(inwidg, ve);
        }
}

static Boolean NoRegistered(ve)
     XawVendorShellExtPart* ve;
{
    if (ve->ic.ic_table == NULL) return(TRUE);
    return(FALSE);
}

static void Unregister(inwidg, ve)
    Widget inwidg;
    XawVendorShellExtPart* ve;
{
    if (!IsRegistered(inwidg, ve)) return;

    DestroyIC(inwidg, ve);

    UnregisterFromVendorShell(inwidg, ve);

    if (NoRegistered(ve))
        {
            CloseIM(ve);
            ve->im.xim = NULL;
            /*
             * resize vendor shell to core size
            */
            (void) SetVendorShellHeight(ve, 0);
        }
}

static void AllCreateIC( ve )
    XawVendorShellExtPart* ve;
{
    XawIcTableList p;

    if (ve->im.xim == NULL) return;
    if (IsSharedIC(ve) && ve->ic.ic_table[0].widget) {
        p = ve->ic.shared_ic_table;
        if (p->xic == NULL)
            CreateIC(ve->ic.ic_table[0].widget, ve);
        SetICFocus(ve->ic.ic_table[0].widget, ve);
        return;
    }
    for (p = ve->ic.ic_table; p; p = p->next) {
        if (p->xic == NULL)
            CreateIC(p->widget, ve);
    }
    for (p = ve->ic.ic_table; p; p = p->next) {
        SetICFocus(p->widget, ve);
    }
}


static void Reconnect(ve)
    XawVendorShellExtPart* ve;
{
    XawIcTableList      p;

    ve->im.open_im = True;
    if (ve->im.xim == NULL) {
        OpenIM(ve);
    }
    if (ve->im.xim == NULL) return;

    if (IsSharedIC(ve)) {
        p = ve->ic.shared_ic_table;
        p->flg = p->prev_flg;
        p->openic_error = FALSE;
    } else {
        for (p = ve->ic.ic_table; p; p = p->next) {
            p->flg = p->prev_flg;
            p->openic_error = FALSE;
        }
    }
    AllCreateIC(ve);
}


static void CompileResourceList( res, num_res )
    XtResourceList res;
    unsigned int num_res;
{
    unsigned int count;

#define xrmres  ((XrmResourceList) res)
    for (count = 0; count < num_res; res++, count++) {
        xrmres->xrm_name         = XrmPermStringToQuark(res->resource_name);
        xrmres->xrm_class        = XrmPermStringToQuark(res->resource_class);
        xrmres->xrm_type         = XrmPermStringToQuark(res->resource_type);
        xrmres->xrm_offset      = -res->resource_offset - 1;
        xrmres->xrm_default_type = XrmPermStringToQuark(res->default_type);
    }
#undef xrmres
}

static Boolean Initialize( vw, ve )
    VendorShellWidget vw;
    XawVendorShellExtPart* ve;
{
    int         i;

    if (!XtIsVendorShell((Widget)vw)) return(FALSE);
    ve->parent = (Widget)vw;
    ve->im.xim = NULL;
    ve->im.area_height = 0;
    ve->im.resources = (XrmResourceList)XtMalloc(sizeof(resources));
    if (ve->im.resources == NULL) return(FALSE);
    memcpy((char *)ve->im.resources, (char *)resources, sizeof(resources));
    ve->im.num_resources = XtNumber(resources);
    CompileResourceList( (XtResourceList) ve->im.resources,
                           ve->im.num_resources );
    if ((ve->ic.shared_ic_table = CreateIcTable( (Widget)vw, ve)) == NULL)
        return(FALSE);
    ve->ic.current_ic_table = NULL;
    ve->ic.ic_table = NULL;
    return(TRUE);
}


/* Destroy()
 *
 * This frees all (most?) of the resources malloced by XawIm.
 * It is called by _XawImDestroy, which is called by Vendor.c's
 * VendorExt's Destroy method.           Sheeran, Omron KK, 93/08/05 */

static void Destroy( w, ve )
    Widget w;
    XawVendorShellExtPart* ve;
{
    contextDataRec *contextData;
    contextErrDataRec *contextErrData;

    if (!XtIsVendorShell( w ) )
        return;
    XtFree( (char*) ve->im.resources );

    if (extContext != (XContext)NULL && 
        !XFindContext (XtDisplay (w), (Window)w, 
                       extContext, (XPointer*)&contextData))
        XtFree( (char*) contextData );

    if (errContext != (XContext)NULL && 
        !XFindContext (XDisplayOfIM( ve->im.xim ), (Window) ve->im.xim, 
                       errContext, (XPointer*) &contextErrData))
        XtFree( (char*) contextErrData );
}

/*********************************************
 *
 * SEMI-PRIVATE FUNCTIONS
 * For use by other Xaw modules
 *
 ********************************************/

void
#if NeedFunctionPrototypes
_XawImResizeVendorShell( 
    Widget w )
#else
_XawImResizeVendorShell( w )
    Widget w;
#endif
{
    XawVendorShellExtPart *ve;

    if ( ( ve = GetExtPart( (VendorShellWidget) w ) ) && ve->im.xim ) {
        ResizeVendorShell( (VendorShellWidget) w, ve );
    }
}


Dimension
#if NeedFunctionPrototypes
_XawImGetShellHeight( 
    Widget w )
#else
_XawImGetShellHeight( w )
    Widget      w;
#endif
{
    XawVendorShellExtPart *ve;

    if (!XtIsVendorShell( w ) ) return( w->core.height );
    if ((ve = GetExtPart( (VendorShellWidget) w ))) {
        return( w->core.height - ve->im.area_height );
    }
    return( w->core.height );
}

void
#if NeedFunctionPrototypes
_XawImRealize( 
    Widget w )
#else
_XawImRealize( w )
    Widget w;
#endif
{
    XawVendorShellExtPart       *ve;
    extern void XawVendorShellExtResize();

    if ( !XtIsRealized( w ) || !XtIsVendorShell( w ) ) return;
    if ((ve = GetExtPart( (VendorShellWidget) w ))) {
        XtAddEventHandler( w, (EventMask)StructureNotifyMask, FALSE,
                          XawVendorShellExtResize, (XtPointer)NULL );
        AllCreateIC(ve);
    }
}

void
#if NeedFunctionPrototypes
_XawImInitialize( 
    Widget w, 
    Widget ext )
#else
_XawImInitialize( w, ext )
    Widget w, ext;
#endif
{
    XawVendorShellExtPart       *ve;

    if ( !XtIsVendorShell( w ) ) return;
    if ((ve = SetExtPart( (VendorShellWidget) w, (XawVendorShellExtWidget)ext)) ) {
        if ( Initialize( (VendorShellWidget) w, ve ) == FALSE ) return;
        XtAddCallback( w, XtNdestroyCallback, VendorShellDestroyed,
                      (XtPointer) NULL );
    }
}

void
#if NeedFunctionPrototypes
_XawImReconnect( 
    Widget inwidg )
#else
_XawImReconnect( inwidg )
    Widget      inwidg;
#endif
{
    XawVendorShellExtPart       *ve;
    VendorShellWidget           vw;

    if ((vw = SearchVendorShell(inwidg)) == NULL) return;
    if ((ve = GetExtPart(vw))) {
        Reconnect(ve);
    }
}

void
#if NeedFunctionPrototypes
_XawImRegister(
    Widget inwidg)
#else
_XawImRegister(inwidg)
    Widget      inwidg;
#endif
{
    XawVendorShellExtPart       *ve;
    VendorShellWidget           vw;

    if ((vw = SearchVendorShell(inwidg)) == NULL) return;
    if ((ve = GetExtPart(vw))) {
        Register(inwidg, ve);
    }
}

void
#if NeedFunctionPrototypes
_XawImUnregister(
    Widget inwidg)
#else
_XawImUnregister(inwidg)
    Widget      inwidg;
#endif
{
    XawVendorShellExtPart       *ve;
    VendorShellWidget           vw;

    if ((vw = SearchVendorShell(inwidg)) == NULL) return;
    if ((ve = GetExtPart(vw))) {
        Unregister(inwidg, ve);
    }
}

void
#if NeedFunctionPrototypes
_XawImSetValues( 
    Widget inwidg, 
    ArgList args, 
    Cardinal num_args )
#else
_XawImSetValues( inwidg, args, num_args )
    Widget      inwidg;
    ArgList     args;
    Cardinal    num_args;
#endif
{
    SetFocusValues( inwidg, args, num_args, FALSE );
}

void
#if NeedVarargsPrototypes
_XawImVASetValues( Widget inwidg, ... )
#else
_XawImVASetValues( inwidg, va_alist )
    Widget inwidg;
    va_dcl
#endif
{
    va_list  var;
    ArgList  args = NULL;
    Cardinal num_args;
    int      total_count, typed_count;

    Va_start( var, inwidg );
    _XtCountVaList( var, &total_count, &typed_count );
    va_end( var );

    Va_start( var, inwidg );

    _XtVaToArgList( inwidg, var, total_count, &args, &num_args );
    _XawImSetValues( inwidg, args, num_args );
    if ( args != NULL ) {
        XtFree( (XtPointer) args );
    }
    va_end( var );
}

void
#if NeedFunctionPrototypes
_XawImSetFocusValues(
    Widget inwidg, 
    ArgList args, 
    Cardinal num_args)
#else
_XawImSetFocusValues(inwidg, args, num_args)
    Widget      inwidg;
    ArgList     args;
    Cardinal    num_args;
#endif
{
    SetFocusValues(inwidg, args, num_args, TRUE);
}

void
#if NeedVarargsPrototypes
_XawImVASetFocusValues(Widget inwidg, ...)
#else
_XawImVASetFocusValues(inwidg, va_alist)
    Widget      inwidg;
    va_dcl
#endif
{
    va_list             var;
    ArgList             args = NULL;
    Cardinal            num_args;
    int                 total_count, typed_count;

    Va_start(var, inwidg);
    _XtCountVaList(var, &total_count, &typed_count);
    va_end(var);

    Va_start(var,inwidg);

    _XtVaToArgList(inwidg, var, total_count, &args, &num_args);
    _XawImSetFocusValues(inwidg, args, num_args);
    if (args != NULL) {
        XtFree((XtPointer)args);
    }
    va_end(var);
}

void
#if NeedFunctionPrototypes
_XawImUnsetFocus(
    Widget inwidg)
#else
_XawImUnsetFocus(inwidg)
    Widget      inwidg;
#endif
{
    UnsetFocus(inwidg);
}

int
#if NeedFunctionPrototypes
_XawImWcLookupString( 
    Widget inwidg, 
    XKeyPressedEvent *event,
    wchar_t* buffer_return, 
    int bytes_buffer,
    KeySym *keysym_return, 
    Status *status_return)
#else
_XawImWcLookupString( inwidg, event, buffer_return, bytes_buffer,
                       keysym_return, status_return)
    Widget      inwidg;
    XKeyPressedEvent*   event;
    wchar_t*    buffer_return;
    int         bytes_buffer;
    KeySym*     keysym_return;
    Status*     status_return;
#endif
{
    XawVendorShellExtPart*      ve;
    VendorShellWidget           vw;
    XawIcTableList              p;
    int                         i, ret;
    char                        tmp_buf[64], *tmp_p;
    wchar_t*                    buf_p;

    if ((vw = SearchVendorShell(inwidg)) && (ve = GetExtPart(vw)) &&
        ve->im.xim && (p = GetIcTableShared(inwidg, ve)) && p->xic) {
          return(XwcLookupString(p->xic, event, buffer_return, bytes_buffer,
                                 keysym_return, status_return));
    }
    ret = XLookupString( event, tmp_buf, 64, keysym_return,
                         (XComposeStatus*) status_return );
    for ( i = 0, tmp_p = tmp_buf, buf_p = buffer_return; i < ret; i++ ) {
        *buf_p++ = _Xaw_atowc(*tmp_p++);
    }
    return( ret );
}

int
#if NeedFunctionPrototypes
_XawImGetImAreaHeight(
    Widget w)
#else
_XawImGetImAreaHeight( w )
    Widget w;
#endif
{
    XawVendorShellExtPart       *ve;
    VendorShellWidget           vw;

    if ((vw = SearchVendorShell(w)) && (ve = GetExtPart(vw))) {
        return(ve->im.area_height);
    }
    return(0);
}

void
#if NeedFunctionPrototypes
_XawImCallVendorShellExtResize(
    Widget w)
#else
_XawImCallVendorShellExtResize( w )
    Widget w;
#endif
{
    XawVendorShellExtPart       *ve;
    VendorShellWidget           vw;
    extern void XawVendorShellExtResize();

    if ((vw = SearchVendorShell(w)) && (ve = GetExtPart(vw))) {
        XawVendorShellExtResize(vw);
    }
}


/* _XawImDestroy()
 *
 * This should be called by the VendorExt from its
 * core Destroy method.  Sheeran, Omron KK 93/08/05 */

void
#if NeedFunctionPrototypes
_XawImDestroy( 
    Widget w, 
    Widget ext )
#else
_XawImDestroy( w, ext )
    Widget w;
    Widget ext;
#endif
{
    XawVendorShellExtPart        *ve;

    if ( !XtIsVendorShell( w ) ) return;
    if ((ve = GetExtPart( (VendorShellWidget) w )))
        Destroy( w, ve );
}

---