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      1 /*
      2  * Copyright 1991 by the Open Software Foundation
      3  * Copyright 1993, 1994 by the Sony Corporation
      4  *
      5  * Permission to use, copy, modify, distribute, and sell this software and its
      6  * documentation for any purpose is hereby granted without fee, provided that
      7  * the above copyright notice appear in all copies and that both that
      8  * copyright notice and this permission notice appear in supporting
      9  * documentation, and that the names of Open Software Foundation and
     10  * Sony Corporation not be used in advertising or publicity pertaining to
     11  * distribution of the software without specific, written prior permission.
     12  * Open Software Foundation and Sony Corporation make no
     13  * representations about the suitability of this software for any purpose.
     14  * It is provided "as is" without express or implied warranty.
     15  *
     16  * OPEN SOFTWARE FOUNDATION AND SONY CORPORATION DISCLAIM ALL
     17  * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED
     18  * WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL OPEN
     19  * SOFTWARE FOUNDATIONN OR SONY CORPORATION BE LIABLE FOR ANY SPECIAL,
     20  * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
     21  * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
     22  * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
     23  * PERFORMANCE OF THIS SOFTWARE.
     24  *
     25  *		 M. Collins		OSF
     26  *               Makoto Wakamatsu       Sony Corporation
     27  */
     28 /*
     29 
     30 Copyright 1991, 1998  The Open Group
     31 
     32 Permission to use, copy, modify, distribute, and sell this software and its
     33 documentation for any purpose is hereby granted without fee, provided that
     34 the above copyright notice appear in all copies and that both that
     35 copyright notice and this permission notice appear in supporting
     36 documentation.
     37 
     38 The above copyright notice and this permission notice shall be included
     39 in all copies or substantial portions of the Software.
     40 
     41 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
     42 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     43 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
     44 IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
     45 OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     46 ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     47 OTHER DEALINGS IN THE SOFTWARE.
     48 
     49 Except as contained in this notice, the name of The Open Group shall
     50 not be used in advertising or otherwise to promote the sale, use or
     51 other dealings in this Software without prior written authorization
     52 from The Open Group.
     53 
     54 */
     55 
     56 
     57 #ifdef HAVE_CONFIG_H
     58 #include <config.h>
     59 #endif
     60 #include "Xlibint.h"
     61 #include "Xlcint.h"
     62 
     63 /*
     64  * Compile the resource name. (resource_name ---> xrm_name)
     65  */
     66 void
     67 _XIMCompileResourceList(XIMResourceList res, unsigned int num_res)
     68 {
     69     register unsigned int count;
     70 
     71     for (count = 0; count < num_res; res++, count++) {
     72 	res->xrm_name = XrmStringToQuark(res->resource_name);
     73     }
     74 }
     75 
     76 void
     77 _XCopyToArg(XPointer src, XPointer *dst, unsigned int size)
     78 {
     79     if (!*dst) {
     80 	union {
     81 	    long	longval;
     82 #ifdef LONG64
     83 	    int		intval;
     84 #endif
     85 	    short	shortval;
     86 	    char	charval;
     87 	    char*	charptr;
     88 	    XPointer	ptr;
     89 	} u;
     90 	if (size <= sizeof(XPointer)) {
     91 	    memcpy((char *)&u, (char *)src, (int)size);
     92 	    if (size == sizeof(long))	       *dst = (XPointer)u.longval;
     93 #ifdef LONG64
     94 	    else if (size == sizeof(int))      *dst = (XPointer)(long)u.intval;
     95 #endif
     96 	    else if (size == sizeof(short))    *dst = (XPointer)(long)u.shortval;
     97 	    else if (size == sizeof(char))     *dst = (XPointer)(long)u.charval;
     98 	    else if (size == sizeof(char*))    *dst = (XPointer)u.charptr;
     99 	    else if (size == sizeof(XPointer)) *dst = (XPointer)u.ptr;
    100 	    else memcpy( (char*)dst, (char*)src, (int)size );
    101 	} else {
    102 	    memcpy( (char*)dst, (char*)src, (int)size );
    103 	}
    104     } else {
    105 	memcpy( (char*)*dst, (char*)src, (int)size );
    106     }
    107 }
    108 
    109 /*
    110  * Connects to an input method matching current locale specification, creates
    111  * a XIM object and return a pointer the newly created XIM back to the caller.
    112  */
    113 
    114 XIM
    115 XOpenIM(Display *display, XrmDatabase rdb, char *res_name, char *res_class)
    116 {
    117     XLCd	lcd = _XOpenLC( (char *)NULL );
    118 
    119     if( !lcd )
    120 	return( (XIM)NULL );
    121     return (*lcd->methods->open_im) (lcd, display, rdb, res_name, res_class);
    122 }
    123 
    124 /*
    125  * Close the connection to the input manager, and free the XIM structure
    126  */
    127 Status
    128 XCloseIM(XIM im)
    129 {
    130     Status s;
    131     XIC ic;
    132     XLCd lcd = im->core.lcd;
    133 
    134     s = (im->methods->close) (im);
    135     for (ic = im->core.ic_chain; ic; ic = ic->core.next)
    136 	ic->core.im = (XIM)NULL;
    137     Xfree (im);
    138     _XCloseLC (lcd);
    139     return (s);
    140 }
    141 
    142 /*
    143  * Return the Display associated with the input method.
    144  */
    145 Display *
    146 XDisplayOfIM(XIM im)
    147 {
    148     return im->core.display;
    149 }
    150 
    151 /*
    152  * Return the Locale associated with the input method.
    153  */
    154 char *
    155 XLocaleOfIM(XIM im)
    156 {
    157     return im->core.lcd->core->name;
    158 }
    159 
    160 /*
    161  * Register to a input method instantiation callback to prepare the
    162  * on-demand input method instantiation.
    163  */
    164 Bool
    165 XRegisterIMInstantiateCallback(
    166     Display	*display,
    167     XrmDatabase	 rdb,
    168     char	*res_name,
    169     char	*res_class,
    170     XIDProc	 callback,
    171     XPointer	 client_data)
    172 {
    173     XLCd	lcd = _XOpenLC( (char *)NULL );
    174 
    175     if( !lcd )
    176 	return( False );
    177     return( (*lcd->methods->register_callback)( lcd, display, rdb, res_name,
    178 						res_class, callback,
    179 						client_data ) );
    180 }
    181 
    182 /*
    183  * Unregister to a input method instantiation callback.
    184  */
    185 Bool
    186 XUnregisterIMInstantiateCallback(
    187     Display	*display,
    188     XrmDatabase	 rdb,
    189     char	*res_name,
    190     char	*res_class,
    191     XIDProc	 callback,
    192     XPointer	 client_data)
    193 {
    194     XLCd	lcd = _XlcCurrentLC();
    195 
    196     if( !lcd )
    197 	return( False );
    198     if( lcd->methods->unregister_callback == NULL )
    199 	return( False );
    200     return( (*lcd->methods->unregister_callback)( lcd, display, rdb, res_name,
    201 						  res_class, callback,
    202 						  client_data ) );
    203 }
    204 
    205