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
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
|
/* $Xorg: imDefFlt.c,v 1.4 2000/08/17 19:45:11 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/imDefFlt.c,v 1.4 2001/01/17 19:41:51 dawes Exp $ */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <nx-X11/Xatom.h>
#include "Xlibint.h"
#include "Xutil.h"
#include "Xlcint.h"
#include "Ximint.h"
Private long
_XimTriggerCheck(
Xim im,
XKeyEvent *ev,
INT32 len,
CARD32 *keylist)
{
register long i;
KeySym keysym;
CARD32 buf32[BUFSIZE/4];
char *buf = (char *)buf32;
int modifier;
int modifier_mask;
CARD32 min_len = sizeof(CARD32) /* sizeof keysym */
+ sizeof(CARD32) /* sizeof modifier */
+ sizeof(CARD32); /* sizeof modifier mask */
XLookupString(ev, buf, BUFSIZE, &keysym, NULL);
if (!keysym)
return -1;
for (i = 0; len >= min_len; i += 3, len -= min_len) {
modifier = keylist[i + 1];
modifier_mask = keylist[i + 2];
if (((KeySym)keylist[i] == keysym)
&& ((ev->state & modifier_mask) == modifier))
return i;
}
return -1;
}
Private long
_XimTriggerOnCheck(
Xim im,
XKeyEvent *ev)
{
return _XimTriggerCheck(im, ev, (INT32)im->private.proto.im_onkeylist[0],
&im->private.proto.im_onkeylist[1]);
}
Private long
_XimTriggerOffCheck(
Xim im,
XKeyEvent *ev)
{
return _XimTriggerCheck(im, ev, (INT32)im->private.proto.im_offkeylist[0],
&im->private.proto.im_offkeylist[1]);
}
Private Bool
_XimOnKeysCheck(
Xic ic,
XKeyEvent *ev)
{
Xim im = (Xim)ic->core.im;
long idx;
if (IS_DYNAMIC_EVENT_FLOW(ic->core.im) &&
im->private.proto.im_onkeylist &&
im->private.proto.im_onkeylist[0]) {
if ((idx = _XimTriggerOnCheck(im, ev)) >= 0) {
(void)_XimTriggerNotify(im, ic, 0, (CARD32)idx); /* Trigger on */
return True;
}
}
return False;
}
Private Bool
_XimOffKeysCheck(
Xic ic,
XKeyEvent *ev)
{
Xim im = (Xim)ic->core.im;
long idx;
if (IS_DYNAMIC_EVENT_FLOW(ic->core.im) &&
im->private.proto.im_offkeylist &&
im->private.proto.im_offkeylist[0]) {
if ((idx = _XimTriggerOffCheck(im, ev)) >= 0) {
_XimTriggerNotify(im, ic, 1, (CARD32)idx); /* Trigger off */
return True;
}
}
return False;
}
Private void
_XimPendingFilter(
Xic ic)
{
Xim im = (Xim)ic->core.im;
if (IS_NEED_SYNC_REPLY(ic)) {
(void)_XimProcSyncReply(im, ic);
UNMARK_NEED_SYNC_REPLY(ic);
}
return;
}
Private Bool
_XimProtoKeypressFilter(
Xic ic,
XKeyEvent *ev)
{
#ifdef XIM_CONNECTABLE
Xim im = (Xim)ic->core.im;
#endif
if (IS_FABLICATED(ic)) {
_XimPendingFilter(ic);
UNMARK_FABLICATED(ic);
return NOTFILTERD;
}
if (IS_NEGLECT_EVENT(ic, KeyPressMask))
return FILTERD;
#ifdef XIM_CONNECTABLE
if (!IS_IC_CONNECTED(ic)) {
if (IS_CONNECTABLE(im)) {
if (_XimConnectServer(im)) {
if (!_XimReCreateIC(ic)) {
_XimDelayModeSetAttr(im);
return NOTFILTERD;
}
} else {
return NOTFILTERD;
}
} else {
return NOTFILTERD;
}
}
#else
if (!IS_IC_CONNECTED(ic))
return NOTFILTERD;
#endif /* XIM_CONNECTABLE */
if (!IS_FORWARD_EVENT(ic, KeyPressMask)) {
if (_XimOnKeysCheck(ic, ev))
return FILTERD;
return NOTFILTERD;
}
if (_XimOffKeysCheck(ic, ev))
return FILTERD;
if (_XimForwardEvent(ic, (XEvent *)ev,
IS_SYNCHRONOUS_EVENT(ic, KeyPressMask)))
return FILTERD;
return NOTFILTERD;
}
Private Bool
_XimFilterKeypress(
Display *d,
Window w,
XEvent *ev,
XPointer client_data)
{
return _XimProtoKeypressFilter((Xic)client_data, (XKeyEvent *)ev );
}
Private Bool
_XimProtoKeyreleaseFilter(
Xic ic,
XKeyEvent *ev)
{
#ifdef XIM_CONNECTABLE
Xim im = (Xim)ic->core.im;
#endif
if (IS_FABLICATED(ic)) {
_XimPendingFilter(ic);
UNMARK_FABLICATED(ic);
return NOTFILTERD;
}
if (IS_NEGLECT_EVENT(ic, KeyReleaseMask))
return FILTERD;
#ifdef XIM_CONNECTABLE
if (!IS_IC_CONNECTED(ic)) {
if (IS_CONNECTABLE(im)) {
if (_XimConnectServer(im)) {
if (!_XimReCreateIC(ic)) {
_XimDelayModeSetAttr(im);
return NOTFILTERD;
}
} else {
return NOTFILTERD;
}
} else {
return NOTFILTERD;
}
}
#else
if (!IS_IC_CONNECTED(ic))
return NOTFILTERD;
#endif /* XIM_CONNECTABLE */
if (!IS_FORWARD_EVENT(ic, KeyReleaseMask)) {
if (_XimOnKeysCheck(ic, ev))
return FILTERD;
return NOTFILTERD;
}
if (_XimOffKeysCheck(ic, ev))
return FILTERD;
if (_XimForwardEvent(ic, (XEvent *)ev,
IS_SYNCHRONOUS_EVENT(ic, KeyPressMask)))
return FILTERD;
return NOTFILTERD;
}
Private Bool
_XimFilterKeyrelease(
Display *d,
Window w,
XEvent *ev,
XPointer client_data)
{
return _XimProtoKeyreleaseFilter((Xic)client_data, (XKeyEvent *)ev);
}
Private void
_XimRegisterKeyPressFilter(
Xic ic)
{
if (ic->core.focus_window) {
if (!(ic->private.proto.registed_filter_event & KEYPRESS_MASK)) {
_XRegisterFilterByType (ic->core.im->core.display,
ic->core.focus_window,
KeyPress, KeyPress,
_XimFilterKeypress,
(XPointer)ic);
ic->private.proto.registed_filter_event |= KEYPRESS_MASK;
}
}
return;
}
Private void
_XimRegisterKeyReleaseFilter(
Xic ic)
{
if (ic->core.focus_window) {
if (!(ic->private.proto.registed_filter_event & KEYRELEASE_MASK)) {
_XRegisterFilterByType (ic->core.im->core.display,
ic->core.focus_window,
KeyRelease, KeyRelease,
_XimFilterKeyrelease,
(XPointer)ic);
ic->private.proto.registed_filter_event |= KEYRELEASE_MASK;
}
}
return;
}
Private void
_XimUnregisterKeyPressFilter(
Xic ic)
{
if (ic->core.focus_window) {
if (ic->private.proto.registed_filter_event & KEYPRESS_MASK) {
_XUnregisterFilter (ic->core.im->core.display,
ic->core.focus_window,
_XimFilterKeypress,
(XPointer)ic);
ic->private.proto.registed_filter_event &= ~KEYPRESS_MASK;
}
}
return;
}
Private void
_XimUnregisterKeyReleaseFilter(
Xic ic)
{
if (ic->core.focus_window) {
if (ic->private.proto.registed_filter_event & KEYRELEASE_MASK) {
_XUnregisterFilter (ic->core.im->core.display,
ic->core.focus_window,
_XimFilterKeyrelease,
(XPointer)ic);
ic->private.proto.registed_filter_event &= ~KEYRELEASE_MASK;
}
}
return;
}
Public void
_XimRegisterFilter(
Xic ic)
{
_XimRegisterKeyPressFilter(ic);
if (IS_FORWARD_EVENT(ic, KeyReleaseMask))
_XimRegisterKeyReleaseFilter(ic);
return;
}
Public void
_XimUnregisterFilter(
Xic ic)
{
_XimUnregisterKeyPressFilter(ic);
_XimUnregisterKeyReleaseFilter(ic);
return;
}
Public void
_XimReregisterFilter(
Xic ic)
{
if (IS_FORWARD_EVENT(ic, KeyReleaseMask))
_XimRegisterKeyReleaseFilter(ic);
else
_XimUnregisterKeyReleaseFilter(ic);
return;
}
Private Bool
_XimFilterServerDestroy(
Display *d,
Window w,
XEvent *ev,
XPointer client_data)
{
Xim im = (Xim)client_data;
if (ev->type == DestroyNotify) {
UNMARK_SERVER_CONNECTED(im);
#ifdef XIM_CONNECTABLE
if (!IS_SERVER_CONNECTED(im) && IS_RECONNECTABLE(im)) {
_XimServerReconectableDestroy();
return True;
}
#endif /* XIM_CONNECTABLE */
_XimServerDestroy(im);
}
return True;
}
Public void
_XimRegisterServerFilter(
Xim im)
{
if (im->private.proto.im_window) {
if (!(im->private.proto.registed_filter_event & DESTROYNOTIFY_MASK)) {
_XRegisterFilterByMask(im->core.display,
im->private.proto.im_window,
StructureNotifyMask,
_XimFilterServerDestroy,
(XPointer)im);
XSelectInput(im->core.display, im->private.proto.im_window,
StructureNotifyMask);
im->private.proto.registed_filter_event |= DESTROYNOTIFY_MASK;
}
}
return;
}
Public void
_XimUnregisterServerFilter(
Xim im)
{
if (im->private.proto.im_window) {
if (im->private.proto.registed_filter_event & DESTROYNOTIFY_MASK) {
_XUnregisterFilter(im->core.display,
im->private.proto.im_window,
_XimFilterServerDestroy,
(XPointer)im);
im->private.proto.registed_filter_event &= ~DESTROYNOTIFY_MASK;
}
}
return;
}
|
