aboutsummaryrefslogtreecommitdiff
path: root/nx-X11/lib/X11/imInt.c
blob: 9658eef580585df9bdeccbc0bb53653cd425c8c0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
/* $Xorg: imInt.c,v 1.8 2000/08/17 19:45:13 cpqbld Exp $ */
/******************************************************************

           Copyright 1992, 1993, 1994 by FUJITSU LIMITED

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 FUJITSU LIMITED
not be used in advertising or publicity pertaining to distribution
of the software without specific, written prior permission.
FUJITSU LIMITED makes no representations about the suitability of
this software for any purpose. 
It is provided "as is" without express or implied warranty.

FUJITSU LIMITED DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
EVENT SHALL FUJITSU LIMITED 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.

  Author: Takashi Fujiwara     FUJITSU LIMITED 
                               fujiwara@a80.tech.yk.fujitsu.co.jp

******************************************************************/
/* $XFree86: xc/lib/X11/imInt.c,v 3.12 2003/04/17 02:06:32 dawes Exp $ */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <nx-X11/Xatom.h>
#include <nx-X11/Xlib.h>
#include <nx-X11/Xmd.h>
#include "Xlibint.h"
#include "Xlcint.h"
#include "Ximint.h"
#include "XimImSw.h"

Private Xim 		*_XimCurrentIMlist  = (Xim *)NULL;
Private int		 _XimCurrentIMcount = 0;

Private Bool
_XimSetIMStructureList(
    Xim		  im)
{
    register int  i;
    Xim		 *xim;

    if(!(_XimCurrentIMlist)) {
	if(!(_XimCurrentIMlist = (Xim *)Xmalloc(sizeof(Xim))))
	    return False;
	_XimCurrentIMlist[0] = im;
	_XimCurrentIMcount   = 1;
    }
    else {
	for(i = 0; i < _XimCurrentIMcount; i++) {
	    if(!( _XimCurrentIMlist[i])) {
		_XimCurrentIMlist[i] = im;
		break;
	    }
	}
	if(i >= _XimCurrentIMcount) {
	    if(!(xim = (Xim *)Xrealloc(_XimCurrentIMlist, 
					 ((i + 1) * sizeof(Xim)))))
		return False;
	    _XimCurrentIMlist			  = xim;
	    _XimCurrentIMlist[_XimCurrentIMcount] = im;
	    _XimCurrentIMcount++;
	}
    }
    return True;
}

Public void
_XimDestroyIMStructureList(im)
    Xim		  im;
{
    register int  i;

    for(i = 0; i < _XimCurrentIMcount; i++) {
	if(_XimCurrentIMlist[i] == im) {
	    _XimCurrentIMlist[i] = NULL;
	    break;
	}
    }
    return;
}

Public void
_XimServerDestroy(im_2_destroy)
    Xim		  im_2_destroy;
{
    register int  i;
    Xim		  im;
    XIC		  ic;

    for(i = 0; i < _XimCurrentIMcount; i++) {
	if(!(im = _XimCurrentIMlist[i]))
	    continue;
	/*
	 * Only continue if this im is the one to be destroyed.
	 */
	if (im != im_2_destroy)
	    continue;

	if (im->core.destroy_callback.callback)
	    (*im->core.destroy_callback.callback)((XIM)im,
			im->core.destroy_callback.client_data, NULL);
	for (ic = im->core.ic_chain; ic; ic = ic->core.next) {
	    if (ic->core.destroy_callback.callback) {
		(*ic->core.destroy_callback.callback)(ic,
			ic->core.destroy_callback.client_data, NULL);
	    }
	}
	_XimResetIMInstantiateCallback( im );
	(void)im->methods->close((XIM)im);
	Xfree(im);
	_XimCurrentIMlist[i] = NULL;
	return;
    }
}

#ifdef XIM_CONNECTABLE
Public void
_XimServerReconectableDestroy()
{
    register int  i;
    Xim		  im;
    XIC		  ic;

    for(i = 0; i < _XimCurrentIMcount; i++) {
	if(!(im = _XimCurrentIMlist[i]))
	    continue;

	if (im->core.destroy_callback.callback)
	    (*im->core.destroy_callback.callback)(im,
			im->core.destroy_callback.client_data, NULL);
	for (ic = im->core.ic_chain; ic; ic = ic->core.next) {
	    if (ic->core.destroy_callback.callback) {
		(*ic->core.destroy_callback.callback)(ic,
			ic->core.destroy_callback.client_data, NULL);
	    }
	}
	_XimResetIMInstantiateCallback( im );
	(void)im->methods->close((XIM)im);
    }
    return;
}
#endif /* XIM_CONNECTABLE */

Private char	*
_XimStrstr(
    register char	*src,
    register char	*dest)
{
    int			 len;
    
    len = strlen(dest);
    while((src = strchr(src, *dest))) {
	if(!strncmp(src, dest, len))
	    return src;
	src++;
    }
    return NULL;
}

Private char *
_XimMakeImName(
    XLCd	   lcd)
{
    char* begin = NULL;
    char* end = NULL;
    char* ret = NULL;
    char* ximmodifier = XIMMODIFIER;

    if(lcd->core->modifiers != NULL && *lcd->core->modifiers != '\0') {
	begin = _XimStrstr(lcd->core->modifiers, ximmodifier);
	if (begin != NULL) {
	    end = begin += strlen(ximmodifier);
	    while (*end && *end != '@')
		end++;
	}
    }
    ret = Xmalloc(end - begin + 1);
    if (ret != NULL) {
	if (begin != NULL && end != NULL) {
	    (void)strncpy(ret, begin, end - begin);
	    ret[end - begin] = '\0';
	} else {
	    ret[0] = '\0';
	}
    }

    return ret;
}

Public XIM
_XimOpenIM(
    XLCd		 lcd,
    Display		*dpy,
    XrmDatabase		 rdb,
    char		*res_name,
    char		*res_class)
{
    Xim			 im;
    register int	 i;
    
    if (!(im = (Xim)Xmalloc(sizeof(XimRec))))
	return (XIM)NULL;
    bzero(im, sizeof(XimRec));

    im->core.lcd       = lcd;
    im->core.ic_chain  = (XIC)NULL;
    im->core.display   = dpy;
    im->core.rdb       = rdb;
    im->core.res_name  = NULL;
    im->core.res_class = NULL;
    if((res_name != NULL) && (*res_name != '\0')){
	if(!(im->core.res_name  = (char *)Xmalloc(strlen(res_name)+1)))
	    goto Error1;
	strcpy(im->core.res_name,res_name);
    }
    if((res_class != NULL) && (*res_class != '\0')){
	if(!(im->core.res_class = (char *)Xmalloc(strlen(res_class)+1)))
	    goto Error2;
	strcpy(im->core.res_class,res_class);
    }
    if(!(im->core.im_name = _XimMakeImName(lcd)))
	goto Error3;

    for(i= 0; ; i++) {
	if(_XimImSportRec[i].checkprocessing(im)) {
	    if(!(_XimImSportRec[i].im_open(im)))
		goto Error4;
	    if(!_XimSetIMStructureList(im))
		goto Error4;
	    return (XIM)im;
	}
    }

Error4 :
    _XimImSportRec[i].im_free(im);
    Xfree(im);
    return NULL;
Error3 :
    if(im->core.im_name)
	Xfree(im->core.im_name);
Error2:
    if(im->core.res_class)
	Xfree(im->core.res_class);
Error1:
    if(im->core.res_name)
	Xfree(im->core.res_name);
    Xfree(im);
    return NULL;
}

Public Bool
_XInitIM(lcd)
    XLCd	 lcd;
{
    if(lcd == (XLCd)NULL)
	return False;
    lcd->methods->open_im = _XimOpenIM;
    lcd->methods->register_callback = _XimRegisterIMInstantiateCallback;
    lcd->methods->unregister_callback = _XimUnRegisterIMInstantiateCallback;
    return True;
}