1 /*
2 * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 #ifdef HEADLESS
27 #error This file should not be included in headless library
28 #endif
29
30 #include "awt.h"
31 #include "awt_p.h"
32
33 #include <sun_awt_X11InputMethodBase.h>
34 #include <sun_awt_X11_XInputMethod.h>
35
36 #include <stdio.h>
37 #include <stdlib.h>
38 #include <sys/time.h>
39 #include <X11/keysym.h>
40 #include <X11/Xlib.h>
41
42 #define THROW_OUT_OF_MEMORY_ERROR() \
43 JNU_ThrowOutOfMemoryError((JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2), NULL)
44
45 struct X11InputMethodIDs {
46 jfieldID pData;
47 } x11InputMethodIDs;
48
49 static void PreeditStartCallback(XIC, XPointer, XPointer);
50 static void PreeditDoneCallback(XIC, XPointer, XPointer);
51 static void PreeditDrawCallback(XIC, XPointer,
52 XIMPreeditDrawCallbackStruct *);
53 static void PreeditCaretCallback(XIC, XPointer,
54 XIMPreeditCaretCallbackStruct *);
55 #if defined(__linux__) || defined(MACOSX)
56 static void StatusStartCallback(XIC, XPointer, XPointer);
57 static void StatusDoneCallback(XIC, XPointer, XPointer);
58 static void StatusDrawCallback(XIC, XPointer,
59 XIMStatusDrawCallbackStruct *);
60 #endif
61
62 #define ROOT_WINDOW_STYLES (XIMPreeditNothing | XIMStatusNothing)
63 #define NO_STYLES (XIMPreeditNone | XIMStatusNone)
64
65 #define PreeditStartIndex 0
66 #define PreeditDoneIndex 1
67 #define PreeditDrawIndex 2
68 #define PreeditCaretIndex 3
69 #if defined(__linux__) || defined(MACOSX)
70 #define StatusStartIndex 4
71 #define StatusDoneIndex 5
72 #define StatusDrawIndex 6
73 #define NCALLBACKS 7
74 #else
75 #define NCALLBACKS 4
76 #endif
77
78 /*
79 * Callback function pointers: the order has to match the *Index
80 * values above.
81 */
82 static XIMProc callback_funcs[NCALLBACKS] = {
83 (XIMProc)PreeditStartCallback,
84 (XIMProc)PreeditDoneCallback,
85 (XIMProc)PreeditDrawCallback,
86 (XIMProc)PreeditCaretCallback,
87 #if defined(__linux__) || defined(MACOSX)
88 (XIMProc)StatusStartCallback,
89 (XIMProc)StatusDoneCallback,
90 (XIMProc)StatusDrawCallback,
91 #endif
92 };
93
94 #if defined(__linux__) || defined(MACOSX)
95 #define MAX_STATUS_LEN 100
96 typedef struct {
97 Window w; /*status window id */
98 Window root; /*the root window id */
99 Window parent; /*parent shell window */
100 int x, y; /*parent's upperleft position */
101 int width, height; /*parent's width, height */
102 GC lightGC; /*gc for light border */
103 GC dimGC; /*gc for dim border */
104 GC bgGC; /*normal painting */
105 GC fgGC; /*normal painting */
106 int statusW, statusH; /*status window's w, h */
107 int rootW, rootH; /*root window's w, h */
108 int bWidth; /*border width */
109 char status[MAX_STATUS_LEN]; /*status text */
110 XFontSet fontset; /*fontset for drawing */
111 int off_x, off_y;
112 Bool on; /*if the status window on*/
113 } StatusWindow;
114 #endif
115
116 /*
117 * X11InputMethodData keeps per X11InputMethod instance information. A pointer
118 * to this data structure is kept in an X11InputMethod object (pData).
119 */
120 typedef struct _X11InputMethodData {
121 XIC current_ic; /* current X Input Context */
122 XIC ic_active; /* X Input Context for active clients */
123 XIC ic_passive; /* X Input Context for passive clients */
124 XIMCallback *callbacks; /* callback parameters */
125 jobject x11inputmethod; /* global ref to X11InputMethod instance */
126 /* associated with the XIC */
127 #if defined(__linux__) || defined(MACOSX)
128 StatusWindow *statusWindow; /* our own status window */
129 #endif
130 char *lookup_buf; /* buffer used for XmbLookupString */
131 int lookup_buf_len; /* lookup buffer size in bytes */
132 } X11InputMethodData;
133
134 /*
135 * When XIC is created, a global reference is created for
136 * sun.awt.X11InputMethod object so that it could be used by the XIM callback
137 * functions. This could be a dangerous thing to do when the original
138 * X11InputMethod object is garbage collected and as a result,
139 * destroyX11InputMethodData is called to delete the global reference.
140 * If any XIM callback function still holds and uses the "already deleted"
141 * global reference, disaster is going to happen. So we have to maintain
142 * a list for these global references which is consulted first when the
143 * callback functions or any function tries to use "currentX11InputMethodObject"
144 * which always refers to the global reference try to use it.
145 *
146 */
147 typedef struct _X11InputMethodGRefNode {
148 jobject inputMethodGRef;
149 struct _X11InputMethodGRefNode* next;
150 } X11InputMethodGRefNode;
151
152 X11InputMethodGRefNode *x11InputMethodGRefListHead = NULL;
153
154 /* reference to the current X11InputMethod instance, it is always
155 point to the global reference to the X11InputMethodObject since
156 it could be referenced by different threads. */
157 jobject currentX11InputMethodInstance = NULL;
158
159 Window currentFocusWindow = 0; /* current window that has focus for input
160 method. (the best place to put this
161 information should be
162 currentX11InputMethodInstance's pData) */
163 static XIM X11im = NULL;
164 Display * dpy = NULL;
165
166 #define GetJNIEnv() (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2)
167
168 static void DestroyXIMCallback(XIM, XPointer, XPointer);
169 static void OpenXIMCallback(Display *, XPointer, XPointer);
170 /* Solaris XIM Extention */
171 #define XNCommitStringCallback "commitStringCallback"
172 static void CommitStringCallback(XIC, XPointer, XPointer);
173
174 static X11InputMethodData * getX11InputMethodData(JNIEnv *, jobject);
175 static void setX11InputMethodData(JNIEnv *, jobject, X11InputMethodData *);
176 static void destroyX11InputMethodData(JNIEnv *, X11InputMethodData *);
177 static void freeX11InputMethodData(JNIEnv *, X11InputMethodData *);
178
179 #ifdef __solaris__
180 /* Prototype for this function is missing in Solaris X11R6 Xlib.h */
181 extern char *XSetIMValues(
182 #if NeedVarargsPrototypes
183 XIM /* im */, ...
184 #endif
185 );
186 #endif
187
188 /*
189 * This function is stolen from /src/solaris/hpi/src/system_md.c
190 * It is used in setting the time in Java-level InputEvents
191 */
192 jlong
193 awt_util_nowMillisUTC()
194 {
195 struct timeval t;
196 gettimeofday(&t, NULL);
197 return ((jlong)t.tv_sec) * 1000 + (jlong)(t.tv_usec/1000);
198 }
199
200 /*
201 * Converts the wchar_t string to a multi-byte string calling wcstombs(). A
202 * buffer is allocated by malloc() to store the multi-byte string. NULL is
203 * returned if the given wchar_t string pointer is NULL or buffer allocation is
204 * failed.
205 */
206 static char *
207 wcstombsdmp(wchar_t *wcs, int len)
208 {
209 size_t n;
210 char *mbs;
211
212 if (wcs == NULL)
213 return NULL;
214
215 n = len*MB_CUR_MAX + 1;
216
217 mbs = (char *) malloc(n * sizeof(char));
218 if (mbs == NULL) {
219 THROW_OUT_OF_MEMORY_ERROR();
220 return NULL;
221 }
222
223 /* TODO: check return values... Handle invalid characters properly... */
224 if (wcstombs(mbs, wcs, n) == (size_t)-1) {
225 free(mbs);
226 return NULL;
227 }
228
229 return mbs;
230 }
231
232 /*
233 * Returns True if the global reference is still in the list,
234 * otherwise False.
235 */
236 static Bool isX11InputMethodGRefInList(jobject imGRef) {
237 X11InputMethodGRefNode *pX11InputMethodGRef = x11InputMethodGRefListHead;
238
239 if (imGRef == NULL) {
240 return False;
241 }
242
243 while (pX11InputMethodGRef != NULL) {
244 if (pX11InputMethodGRef->inputMethodGRef == imGRef) {
245 return True;
246 }
247 pX11InputMethodGRef = pX11InputMethodGRef->next;
248 }
249
250 return False;
251 }
252
253 /*
254 * Add the new created global reference to the list.
255 */
256 static void addToX11InputMethodGRefList(jobject newX11InputMethodGRef) {
257 X11InputMethodGRefNode *newNode = NULL;
258
259 if (newX11InputMethodGRef == NULL ||
260 isX11InputMethodGRefInList(newX11InputMethodGRef)) {
261 return;
262 }
263
264 newNode = (X11InputMethodGRefNode *)malloc(sizeof(X11InputMethodGRefNode));
265
266 if (newNode == NULL) {
267 return;
268 } else {
269 newNode->inputMethodGRef = newX11InputMethodGRef;
270 newNode->next = x11InputMethodGRefListHead;
271 x11InputMethodGRefListHead = newNode;
272 }
273 }
274
275 /*
276 * Remove the global reference from the list.
277 */
278 static void removeX11InputMethodGRefFromList(jobject x11InputMethodGRef) {
279 X11InputMethodGRefNode *pX11InputMethodGRef = NULL;
280 X11InputMethodGRefNode *cX11InputMethodGRef = x11InputMethodGRefListHead;
281
282 if (x11InputMethodGRefListHead == NULL ||
283 x11InputMethodGRef == NULL) {
284 return;
285 }
286
287 /* cX11InputMethodGRef always refers to the current node while
288 pX11InputMethodGRef refers to the previous node.
289 */
290 while (cX11InputMethodGRef != NULL) {
291 if (cX11InputMethodGRef->inputMethodGRef == x11InputMethodGRef) {
292 break;
293 }
294 pX11InputMethodGRef = cX11InputMethodGRef;
295 cX11InputMethodGRef = cX11InputMethodGRef->next;
296 }
297
298 if (cX11InputMethodGRef == NULL) {
299 return; /* Not found. */
300 }
301
302 if (cX11InputMethodGRef == x11InputMethodGRefListHead) {
303 x11InputMethodGRefListHead = x11InputMethodGRefListHead->next;
304 } else {
305 pX11InputMethodGRef->next = cX11InputMethodGRef->next;
306 }
307 free(cX11InputMethodGRef);
308
309 return;
310 }
311
312
313 static X11InputMethodData * getX11InputMethodData(JNIEnv * env, jobject imInstance) {
314 X11InputMethodData *pX11IMData =
315 (X11InputMethodData *)JNU_GetLongFieldAsPtr(env, imInstance, x11InputMethodIDs.pData);
316
317 /*
318 * In case the XIM server was killed somehow, reset X11InputMethodData.
319 */
320 if (X11im == NULL && pX11IMData != NULL) {
321 JNU_CallMethodByName(env, NULL, pX11IMData->x11inputmethod,
322 "flushText",
323 "()V");
324 JNU_CHECK_EXCEPTION_RETURN(env, NULL);
325 /* IMPORTANT:
326 The order of the following calls is critical since "imInstance" may
327 point to the global reference itself, if "freeX11InputMethodData" is called
328 first, the global reference will be destroyed and "setX11InputMethodData"
329 will in fact fail silently. So pX11IMData will not be set to NULL.
330 This could make the original java object refers to a deleted pX11IMData
331 object.
332 */
333 setX11InputMethodData(env, imInstance, NULL);
334 freeX11InputMethodData(env, pX11IMData);
335 pX11IMData = NULL;
336 }
337
338 return pX11IMData;
339 }
340
341 static void setX11InputMethodData(JNIEnv * env, jobject imInstance, X11InputMethodData *pX11IMData) {
342 JNU_SetLongFieldFromPtr(env, imInstance, x11InputMethodIDs.pData, pX11IMData);
343 }
344
345 /* this function should be called within AWT_LOCK() */
346 static void
347 destroyX11InputMethodData(JNIEnv *env, X11InputMethodData *pX11IMData)
348 {
349 /*
350 * Destroy XICs
351 */
352 if (pX11IMData == NULL) {
353 return;
354 }
355
356 if (pX11IMData->ic_active != (XIC)0) {
357 XUnsetICFocus(pX11IMData->ic_active);
358 XDestroyIC(pX11IMData->ic_active);
359 if (pX11IMData->ic_active != pX11IMData->ic_passive) {
360 if (pX11IMData->ic_passive != (XIC)0) {
361 XUnsetICFocus(pX11IMData->ic_passive);
362 XDestroyIC(pX11IMData->ic_passive);
363 }
364 pX11IMData->ic_passive = (XIC)0;
365 pX11IMData->current_ic = (XIC)0;
366 }
367 }
368
369 freeX11InputMethodData(env, pX11IMData);
370 }
371
372 static void
373 freeX11InputMethodData(JNIEnv *env, X11InputMethodData *pX11IMData)
374 {
375 #if defined(__linux__) || defined(MACOSX)
376 if (pX11IMData->statusWindow != NULL){
377 StatusWindow *sw = pX11IMData->statusWindow;
378 XFreeGC(awt_display, sw->lightGC);
379 XFreeGC(awt_display, sw->dimGC);
380 XFreeGC(awt_display, sw->bgGC);
381 XFreeGC(awt_display, sw->fgGC);
382 if (sw->fontset != NULL) {
383 XFreeFontSet(awt_display, sw->fontset);
384 }
385 XDestroyWindow(awt_display, sw->w);
386 free((void*)sw);
387 }
388 #endif
389
390 if (pX11IMData->callbacks)
391 free((void *)pX11IMData->callbacks);
392
393 if (env) {
394 /* Remove the global reference from the list, so that
395 the callback function or whoever refers to it could know.
396 */
397 removeX11InputMethodGRefFromList(pX11IMData->x11inputmethod);
398 (*env)->DeleteGlobalRef(env, pX11IMData->x11inputmethod);
399 }
400
401 if (pX11IMData->lookup_buf) {
402 free((void *)pX11IMData->lookup_buf);
403 }
404
405 free((void *)pX11IMData);
406 }
407
408 /*
409 * Sets or unsets the focus to the given XIC.
410 */
411 static void
412 setXICFocus(XIC ic, unsigned short req)
413 {
414 if (ic == NULL) {
415 (void)fprintf(stderr, "Couldn't find X Input Context\n");
416 return;
417 }
418 if (req == 1)
419 XSetICFocus(ic);
420 else
421 XUnsetICFocus(ic);
422 }
423
424 /*
425 * Sets the focus window to the given XIC.
426 */
427 static void
428 setXICWindowFocus(XIC ic, Window w)
429 {
430 if (ic == NULL) {
431 (void)fprintf(stderr, "Couldn't find X Input Context\n");
432 return;
433 }
434 (void) XSetICValues(ic, XNFocusWindow, w, NULL);
435 }
436
437 /*
438 * Invokes XmbLookupString() to get something from the XIM. It invokes
439 * X11InputMethod.dispatchCommittedText() if XmbLookupString() returns
440 * committed text. This function is called from handleKeyEvent in canvas.c and
441 * it's under the Motif event loop thread context.
442 *
443 * Buffer usage: There is a bug in XFree86-4.3.0 XmbLookupString implementation,
444 * where it never returns XBufferOverflow. We need to allocate the initial lookup buffer
445 * big enough, so that the possibility that user encounters this problem is relatively
446 * small. When this bug gets fixed, we can make the initial buffer size smaller.
447 * Note that XmbLookupString() sometimes produces a non-null-terminated string.
448 *
449 * Returns True when there is a keysym value to be handled.
450 */
451 #define INITIAL_LOOKUP_BUF_SIZE 512
452
453 Boolean
454 awt_x11inputmethod_lookupString(XKeyPressedEvent *event, KeySym *keysymp)
455 {
456 JNIEnv *env = GetJNIEnv();
457 X11InputMethodData *pX11IMData = NULL;
458 KeySym keysym = NoSymbol;
459 Status status;
460 int mblen;
461 jstring javastr;
462 XIC ic;
463 Boolean result = True;
464 static Boolean composing = False;
465
466 /*
467 printf("lookupString: entering...\n");
468 */
469
470 if (!isX11InputMethodGRefInList(currentX11InputMethodInstance)) {
471 currentX11InputMethodInstance = NULL;
472 return False;
473 }
474
475 pX11IMData = getX11InputMethodData(env, currentX11InputMethodInstance);
476
477 if (pX11IMData == NULL) {
478 #if defined(__linux__) || defined(MACOSX)
479 return False;
480 #else
481 return result;
482 #endif
483 }
484
485 if ((ic = pX11IMData->current_ic) == (XIC)0){
486 #if defined(__linux__) || defined(MACOSX)
487 return False;
488 #else
489 return result;
490 #endif
491 }
492
493 /* allocate the lookup buffer at the first invocation */
494 if (pX11IMData->lookup_buf_len == 0) {
495 pX11IMData->lookup_buf = (char *)malloc(INITIAL_LOOKUP_BUF_SIZE);
496 if (pX11IMData->lookup_buf == NULL) {
497 THROW_OUT_OF_MEMORY_ERROR();
498 return result;
499 }
500 pX11IMData->lookup_buf_len = INITIAL_LOOKUP_BUF_SIZE;
501 }
502
503 mblen = XmbLookupString(ic, event, pX11IMData->lookup_buf,
504 pX11IMData->lookup_buf_len - 1, &keysym, &status);
505
506 /*
507 * In case of overflow, a buffer is allocated and it retries
508 * XmbLookupString().
509 */
510 if (status == XBufferOverflow) {
511 free((void *)pX11IMData->lookup_buf);
512 pX11IMData->lookup_buf_len = 0;
513 pX11IMData->lookup_buf = (char *)malloc(mblen + 1);
514 if (pX11IMData->lookup_buf == NULL) {
515 THROW_OUT_OF_MEMORY_ERROR();
516 return result;
517 }
518 pX11IMData->lookup_buf_len = mblen + 1;
519 mblen = XmbLookupString(ic, event, pX11IMData->lookup_buf,
520 pX11IMData->lookup_buf_len - 1, &keysym, &status);
521 }
522 pX11IMData->lookup_buf[mblen] = 0;
523
524 /* Get keysym without taking modifiers into account first to map
525 * to AWT keyCode table.
526 */
527 switch (status) {
528 case XLookupBoth:
529 if (!composing) {
530 if (event->keycode != 0) {
531 *keysymp = keysym;
532 result = False;
533 break;
534 }
535 }
536 composing = False;
537 /*FALLTHRU*/
538 case XLookupChars:
539 /*
540 printf("lookupString: status=XLookupChars, type=%d, state=%x, keycode=%x, keysym=%x\n",
541 event->type, event->state, event->keycode, keysym);
542 */
543 javastr = JNU_NewStringPlatform(env, (const char *)pX11IMData->lookup_buf);
544 if (javastr != NULL) {
545 JNU_CallMethodByName(env, NULL,
546 currentX11InputMethodInstance,
547 "dispatchCommittedText",
548 "(Ljava/lang/String;J)V",
549 javastr,
550 event->time);
551 }
552 break;
553
554 case XLookupKeySym:
555 /*
556 printf("lookupString: status=XLookupKeySym, type=%d, state=%x, keycode=%x, keysym=%x\n",
557 event->type, event->state, event->keycode, keysym);
558 */
559 if (keysym == XK_Multi_key)
560 composing = True;
561 if (! composing) {
562 *keysymp = keysym;
563 result = False;
564 }
565 break;
566
567 case XLookupNone:
568 /*
569 printf("lookupString: status=XLookupNone, type=%d, state=%x, keycode=%x, keysym=%x\n",
570 event->type, event->state, event->keycode, keysym);
571 */
572 break;
573 }
574
575 return result;
576 }
577
578 #if defined(__linux__) || defined(MACOSX)
579 static StatusWindow *createStatusWindow(Window parent) {
580 StatusWindow *statusWindow;
581 XSetWindowAttributes attrib;
582 unsigned long attribmask;
583 Window containerWindow;
584 Window status;
585 Window child;
586 XWindowAttributes xwa;
587 XWindowAttributes xxwa;
588 /* Variable for XCreateFontSet()*/
589 char **mclr;
590 int mccr = 0;
591 char *dsr;
592 unsigned long bg, fg, light, dim;
593 int x, y, off_x, off_y, xx, yy;
594 unsigned int w, h, bw, depth;
595 XGCValues values;
596 unsigned long valuemask = 0; /*ignore XGCvalue and use defaults*/
597 int screen = 0;
598 int i;
599 AwtGraphicsConfigDataPtr adata;
600 extern int awt_numScreens;
601 /*hardcode the size right now, should get the size base on font*/
602 int width=80, height=22;
603 Window rootWindow;
604 Window *ignoreWindowPtr;
605 unsigned int ignoreUnit;
606
607 XGetGeometry(dpy, parent, &rootWindow, &x, &y, &w, &h, &bw, &depth);
608
609 attrib.override_redirect = True;
610 attribmask = CWOverrideRedirect;
611 for (i = 0; i < awt_numScreens; i++) {
612 if (RootWindow(dpy, i) == rootWindow) {
613 screen = i;
614 break;
615 }
616 }
617 adata = getDefaultConfig(screen);
618 bg = adata->AwtColorMatch(255, 255, 255, adata);
619 fg = adata->AwtColorMatch(0, 0, 0, adata);
620 light = adata->AwtColorMatch(195, 195, 195, adata);
621 dim = adata->AwtColorMatch(128, 128, 128, adata);
622
623 XGetWindowAttributes(dpy, parent, &xwa);
624 bw = 2; /*xwa.border_width does not have the correct value*/
625
626 /*compare the size difference between parent container
627 and shell widget, the diff should be the border frame
628 and title bar height (?)*/
629
630 XQueryTree( dpy,
631 parent,
632 &rootWindow,
633 &containerWindow,
634 &ignoreWindowPtr,
635 &ignoreUnit);
636 XGetWindowAttributes(dpy, containerWindow, &xxwa);
637
638 off_x = (xxwa.width - xwa.width) / 2;
639 off_y = xxwa.height - xwa.height - off_x; /*it's magic:-) */
640
641 /*get the size of root window*/
642 XGetWindowAttributes(dpy, rootWindow, &xxwa);
643
644 XTranslateCoordinates(dpy,
645 parent, xwa.root,
646 xwa.x, xwa.y,
647 &x, &y,
648 &child);
649 xx = x - off_x;
650 yy = y + xwa.height - off_y;
651 if (xx < 0 ){
652 xx = 0;
653 }
654 if (xx + width > xxwa.width) {
655 xx = xxwa.width - width;
656 }
657 if (yy + height > xxwa.height) {
658 yy = xxwa.height - height;
659 }
660
661 status = XCreateWindow(dpy,
662 xwa.root,
663 xx, yy,
664 width, height,
665 0,
666 xwa.depth,
667 InputOutput,
668 adata->awt_visInfo.visual,
669 attribmask, &attrib);
670 XSelectInput(dpy, status,
671 ExposureMask | StructureNotifyMask | EnterWindowMask |
672 LeaveWindowMask | VisibilityChangeMask);
673 statusWindow = (StatusWindow*) calloc(1, sizeof(StatusWindow));
674 if (statusWindow == NULL){
675 THROW_OUT_OF_MEMORY_ERROR();
676 return NULL;
677 }
678 statusWindow->w = status;
679 //12-point font
680 statusWindow->fontset = XCreateFontSet(dpy,
681 "-*-*-medium-r-normal-*-*-120-*-*-*-*",
682 &mclr, &mccr, &dsr);
683 /* In case we didn't find the font set, release the list of missing characters */
684 if (mccr > 0) {
685 XFreeStringList(mclr);
686 }
687 statusWindow->parent = parent;
688 statusWindow->on = False;
689 statusWindow->x = x;
690 statusWindow->y = y;
691 statusWindow->width = xwa.width;
692 statusWindow->height = xwa.height;
693 statusWindow->off_x = off_x;
694 statusWindow->off_y = off_y;
695 statusWindow->bWidth = bw;
696 statusWindow->statusH = height;
697 statusWindow->statusW = width;
698 statusWindow->rootH = xxwa.height;
699 statusWindow->rootW = xxwa.width;
700 statusWindow->lightGC = XCreateGC(dpy, status, valuemask, &values);
701 XSetForeground(dpy, statusWindow->lightGC, light);
702 statusWindow->dimGC = XCreateGC(dpy, status, valuemask, &values);
703 XSetForeground(dpy, statusWindow->dimGC, dim);
704 statusWindow->fgGC = XCreateGC(dpy, status, valuemask, &values);
705 XSetForeground(dpy, statusWindow->fgGC, fg);
706 statusWindow->bgGC = XCreateGC(dpy, status, valuemask, &values);
707 XSetForeground(dpy, statusWindow->bgGC, bg);
708 return statusWindow;
709 }
710
711 /* This method is to turn off or turn on the status window. */
712 static void onoffStatusWindow(X11InputMethodData* pX11IMData,
713 Window parent,
714 Bool ON){
715 XWindowAttributes xwa;
716 Window child;
717 int x, y;
718 StatusWindow *statusWindow = NULL;
719
720 if (NULL == currentX11InputMethodInstance ||
721 NULL == pX11IMData ||
722 NULL == (statusWindow = pX11IMData->statusWindow)){
723 return;
724 }
725
726 if (ON == False) {
727 XUnmapWindow(dpy, statusWindow->w);
728 statusWindow->on = False;
729 return;
730 }
731 parent = JNU_CallMethodByName(GetJNIEnv(), NULL, pX11IMData->x11inputmethod,
732 "getCurrentParentWindow",
733 "()J").j;
734 if (statusWindow->parent != parent) {
735 statusWindow->parent = parent;
736 }
737 XGetWindowAttributes(dpy, parent, &xwa);
738 XTranslateCoordinates(dpy,
739 parent, xwa.root,
740 xwa.x, xwa.y,
741 &x, &y,
742 &child);
743 if (statusWindow->x != x ||
744 statusWindow->y != y ||
745 statusWindow->height != xwa.height)
746 {
747 statusWindow->x = x;
748 statusWindow->y = y;
749 statusWindow->height = xwa.height;
750 x = statusWindow->x - statusWindow->off_x;
751 y = statusWindow->y + statusWindow->height - statusWindow->off_y;
752 if (x < 0 ) {
753 x = 0;
754 }
755 if (x + statusWindow->statusW > statusWindow->rootW) {
756 x = statusWindow->rootW - statusWindow->statusW;
757 }
758 if (y + statusWindow->statusH > statusWindow->rootH) {
759 y = statusWindow->rootH - statusWindow->statusH;
760 }
761 XMoveWindow(dpy, statusWindow->w, x, y);
762 }
763 statusWindow->on = True;
764 XMapWindow(dpy, statusWindow->w);
765 }
766
767 void paintStatusWindow(StatusWindow *statusWindow){
768 Window win = statusWindow->w;
769 GC lightgc = statusWindow->lightGC;
770 GC dimgc = statusWindow->dimGC;
771 GC bggc = statusWindow->bgGC;
772 GC fggc = statusWindow->fgGC;
773
774 int width = statusWindow->statusW;
775 int height = statusWindow->statusH;
776 int bwidth = statusWindow->bWidth;
777 XFillRectangle(dpy, win, bggc, 0, 0, width, height);
778 /* draw border */
779 XDrawLine(dpy, win, fggc, 0, 0, width, 0);
780 XDrawLine(dpy, win, fggc, 0, height-1, width-1, height-1);
781 XDrawLine(dpy, win, fggc, 0, 0, 0, height-1);
782 XDrawLine(dpy, win, fggc, width-1, 0, width-1, height-1);
783
784 XDrawLine(dpy, win, lightgc, 1, 1, width-bwidth, 1);
785 XDrawLine(dpy, win, lightgc, 1, 1, 1, height-2);
786 XDrawLine(dpy, win, lightgc, 1, height-2, width-bwidth, height-2);
787 XDrawLine(dpy, win, lightgc, width-bwidth-1, 1, width-bwidth-1, height-2);
788
789 XDrawLine(dpy, win, dimgc, 2, 2, 2, height-3);
790 XDrawLine(dpy, win, dimgc, 2, height-3, width-bwidth-1, height-3);
791 XDrawLine(dpy, win, dimgc, 2, 2, width-bwidth-2, 2);
792 XDrawLine(dpy, win, dimgc, width-bwidth, 2, width-bwidth, height-3);
793 if (statusWindow->fontset) {
794 XmbDrawString(dpy, win, statusWindow->fontset, fggc,
795 bwidth + 2, height - bwidth - 4,
796 statusWindow->status,
797 strlen(statusWindow->status));
798 } else {
799 /*too bad we failed to create a fontset for this locale*/
800 XDrawString(dpy, win, fggc, bwidth + 2, height - bwidth - 4,
801 "[InputMethod ON]", strlen("[InputMethod ON]"));
802 }
803 }
804
805 static void adjustStatusWindow(Window shell) {
806 JNIEnv *env = GetJNIEnv();
807 X11InputMethodData *pX11IMData = NULL;
808 StatusWindow *statusWindow;
809
810 if (NULL == currentX11InputMethodInstance
811 || !isX11InputMethodGRefInList(currentX11InputMethodInstance)
812 || NULL == (pX11IMData = getX11InputMethodData(env,currentX11InputMethodInstance))
813 || NULL == (statusWindow = pX11IMData->statusWindow)
814 || !statusWindow->on)
815 {
816 return;
817 }
818
819 {
820 XWindowAttributes xwa;
821 int x, y;
822 Window child;
823 XGetWindowAttributes(dpy, shell, &xwa);
824 XTranslateCoordinates(dpy,
825 shell, xwa.root,
826 xwa.x, xwa.y,
827 &x, &y,
828 &child);
829 if (statusWindow->x != x
830 || statusWindow->y != y
831 || statusWindow->height != xwa.height){
832 statusWindow->x = x;
833 statusWindow->y = y;
834 statusWindow->height = xwa.height;
835
836 x = statusWindow->x - statusWindow->off_x;
837 y = statusWindow->y + statusWindow->height - statusWindow->off_y;
838 if (x < 0 ) {
839 x = 0;
840 }
841 if (x + statusWindow->statusW > statusWindow->rootW){
842 x = statusWindow->rootW - statusWindow->statusW;
843 }
844 if (y + statusWindow->statusH > statusWindow->rootH){
845 y = statusWindow->rootH - statusWindow->statusH;
846 }
847 XMoveWindow(dpy, statusWindow->w, x, y);
848 }
849 }
850 }
851 #endif /* __linux__ || MACOSX */
852
853 /*
854 * Creates two XICs, one for active clients and the other for passive
855 * clients. All information on those XICs are stored in the
856 * X11InputMethodData given by the pX11IMData parameter.
857 *
858 * For active clients: Try to use preedit callback to support
859 * on-the-spot. If tc is not null, the XIC to be created will
860 * share the Status Area with Motif widgets (TextComponents). If the
861 * preferable styles can't be used, fallback to root-window styles. If
862 * root-window styles failed, fallback to None styles.
863 *
864 * For passive clients: Try to use root-window styles. If failed,
865 * fallback to None styles.
866 */
867 static Bool
868 createXIC(JNIEnv * env, X11InputMethodData *pX11IMData, Window w)
869 {
870 XVaNestedList preedit = NULL;
871 XVaNestedList status = NULL;
872 XIMStyle on_the_spot_styles = XIMPreeditCallbacks,
873 active_styles = 0,
874 passive_styles = 0,
875 no_styles = 0;
876 XIMCallback *callbacks;
877 unsigned short i;
878 XIMStyles *im_styles;
879 char *ret = NULL;
880
881 if (X11im == NULL) {
882 return False;
883 }
884 if (!w) {
885 return False;
886 }
887
888 ret = XGetIMValues(X11im, XNQueryInputStyle, &im_styles, NULL);
889
890 if (ret != NULL) {
891 jio_fprintf(stderr,"XGetIMValues: %s\n",ret);
892 return FALSE ;
893 }
894
895 on_the_spot_styles |= XIMStatusNothing;
896
897 #if defined(__linux__) || defined(MACOSX)
898 /*kinput does not support XIMPreeditCallbacks and XIMStatusArea
899 at the same time, so use StatusCallback to draw the status
900 ourself
901 */
902 for (i = 0; i < im_styles->count_styles; i++) {
903 if (im_styles->supported_styles[i] == (XIMPreeditCallbacks | XIMStatusCallbacks)) {
904 on_the_spot_styles = (XIMPreeditCallbacks | XIMStatusCallbacks);
905 break;
906 }
907 }
908 #endif /* __linux__ || MACOSX */
909
910 for (i = 0; i < im_styles->count_styles; i++) {
911 active_styles |= im_styles->supported_styles[i] & on_the_spot_styles;
912 passive_styles |= im_styles->supported_styles[i] & ROOT_WINDOW_STYLES;
913 no_styles |= im_styles->supported_styles[i] & NO_STYLES;
914 }
915
916 XFree(im_styles);
917
918 if (active_styles != on_the_spot_styles) {
919 if (passive_styles == ROOT_WINDOW_STYLES)
920 active_styles = passive_styles;
921 else {
922 if (no_styles == NO_STYLES)
923 active_styles = passive_styles = NO_STYLES;
924 else
925 active_styles = passive_styles = 0;
926 }
927 } else {
928 if (passive_styles != ROOT_WINDOW_STYLES) {
929 if (no_styles == NO_STYLES)
930 active_styles = passive_styles = NO_STYLES;
931 else
932 active_styles = passive_styles = 0;
933 }
934 }
935
936 if (active_styles == on_the_spot_styles) {
937 pX11IMData->ic_passive = XCreateIC(X11im,
938 XNClientWindow, w,
939 XNFocusWindow, w,
940 XNInputStyle, passive_styles,
941 NULL);
942
943 callbacks = (XIMCallback *)malloc(sizeof(XIMCallback) * NCALLBACKS);
944 if (callbacks == (XIMCallback *)NULL)
945 return False;
946 pX11IMData->callbacks = callbacks;
947
948 for (i = 0; i < NCALLBACKS; i++, callbacks++) {
949 callbacks->client_data = (XPointer) pX11IMData->x11inputmethod;
950 callbacks->callback = callback_funcs[i];
951 }
952
953 callbacks = pX11IMData->callbacks;
954 preedit = (XVaNestedList)XVaCreateNestedList(0,
955 XNPreeditStartCallback, &callbacks[PreeditStartIndex],
956 XNPreeditDoneCallback, &callbacks[PreeditDoneIndex],
957 XNPreeditDrawCallback, &callbacks[PreeditDrawIndex],
958 XNPreeditCaretCallback, &callbacks[PreeditCaretIndex],
959 NULL);
960 if (preedit == (XVaNestedList)NULL)
961 goto err;
962 #if defined(__linux__) || defined(MACOSX)
963 /*always try XIMStatusCallbacks for active client...*/
964 {
965 status = (XVaNestedList)XVaCreateNestedList(0,
966 XNStatusStartCallback, &callbacks[StatusStartIndex],
967 XNStatusDoneCallback, &callbacks[StatusDoneIndex],
968 XNStatusDrawCallback, &callbacks[StatusDrawIndex],
969 NULL);
970
971 if (status == NULL)
972 goto err;
973 pX11IMData->statusWindow = createStatusWindow(w);
974 pX11IMData->ic_active = XCreateIC(X11im,
975 XNClientWindow, w,
976 XNFocusWindow, w,
977 XNInputStyle, active_styles,
978 XNPreeditAttributes, preedit,
979 XNStatusAttributes, status,
980 NULL);
981 XFree((void *)status);
982 XFree((void *)preedit);
983 }
984 #else /* !__linux__ && !MACOSX */
985 pX11IMData->ic_active = XCreateIC(X11im,
986 XNClientWindow, w,
987 XNFocusWindow, w,
988 XNInputStyle, active_styles,
989 XNPreeditAttributes, preedit,
990 NULL);
991 XFree((void *)preedit);
992 #endif /* __linux__ || MACOSX */
993 } else {
994 pX11IMData->ic_active = XCreateIC(X11im,
995 XNClientWindow, w,
996 XNFocusWindow, w,
997 XNInputStyle, active_styles,
998 NULL);
999 pX11IMData->ic_passive = pX11IMData->ic_active;
1000 }
1001
1002 if (pX11IMData->ic_active == (XIC)0
1003 || pX11IMData->ic_passive == (XIC)0) {
1004 return False;
1005 }
1006
1007 /*
1008 * Use commit string call back if possible.
1009 * This will ensure the correct order of preedit text and commit text
1010 */
1011 {
1012 XIMCallback cb;
1013 cb.client_data = (XPointer) pX11IMData->x11inputmethod;
1014 cb.callback = (XIMProc) CommitStringCallback;
1015 XSetICValues (pX11IMData->ic_active, XNCommitStringCallback, &cb, NULL);
1016 if (pX11IMData->ic_active != pX11IMData->ic_passive) {
1017 XSetICValues (pX11IMData->ic_passive, XNCommitStringCallback, &cb, NULL);
1018 }
1019 }
1020
1021 /* Add the global reference object to X11InputMethod to the list. */
1022 addToX11InputMethodGRefList(pX11IMData->x11inputmethod);
1023
1024 return True;
1025
1026 err:
1027 if (preedit)
1028 XFree((void *)preedit);
1029 THROW_OUT_OF_MEMORY_ERROR();
1030 return False;
1031 }
1032
1033 static void
1034 PreeditStartCallback(XIC ic, XPointer client_data, XPointer call_data)
1035 {
1036 /*ARGSUSED*/
1037 /* printf("Native: PreeditStartCallback\n"); */
1038 }
1039
1040 static void
1041 PreeditDoneCallback(XIC ic, XPointer client_data, XPointer call_data)
1042 {
1043 /*ARGSUSED*/
1044 /* printf("Native: PreeditDoneCallback\n"); */
1045 }
1046
1047 /*
1048 * Translate the preedit draw callback items to Java values and invoke
1049 * X11InputMethod.dispatchComposedText().
1050 *
1051 * client_data: X11InputMethod object
1052 */
1053 static void
1054 PreeditDrawCallback(XIC ic, XPointer client_data,
1055 XIMPreeditDrawCallbackStruct *pre_draw)
1056 {
1057 JNIEnv *env = GetJNIEnv();
1058 X11InputMethodData *pX11IMData = NULL;
1059 jmethodID x11imMethodID;
1060
1061 XIMText *text;
1062 jstring javastr = NULL;
1063 jintArray style = NULL;
1064
1065 /* printf("Native: PreeditDrawCallback() \n"); */
1066 if (pre_draw == NULL) {
1067 return;
1068 }
1069 AWT_LOCK();
1070 if (!isX11InputMethodGRefInList((jobject)client_data)) {
1071 if ((jobject)client_data == currentX11InputMethodInstance) {
1072 currentX11InputMethodInstance = NULL;
1073 }
1074 goto finally;
1075 }
1076 if ((pX11IMData = getX11InputMethodData(env, (jobject)client_data)) == NULL) {
1077 goto finally;
1078 }
1079
1080 if ((text = pre_draw->text) != NULL) {
1081 if (text->string.multi_byte != NULL) {
1082 if (pre_draw->text->encoding_is_wchar == False) {
1083 javastr = JNU_NewStringPlatform(env, (const char *)text->string.multi_byte);
1084 if (javastr == NULL) {
1085 goto finally;
1086 }
1087 } else {
1088 char *mbstr = wcstombsdmp(text->string.wide_char, text->length);
1089 if (mbstr == NULL) {
1090 goto finally;
1091 }
1092 javastr = JNU_NewStringPlatform(env, (const char *)mbstr);
1093 free(mbstr);
1094 if (javastr == NULL) {
1095 goto finally;
1096 }
1097 }
1098 }
1099 if (text->feedback != NULL) {
1100 int cnt;
1101 jint *tmpstyle;
1102
1103 style = (*env)->NewIntArray(env, text->length);
1104 if (JNU_IsNull(env, style)) {
1105 (*env)->ExceptionClear(env);
1106 THROW_OUT_OF_MEMORY_ERROR();
1107 goto finally;
1108 }
1109
1110 if (sizeof(XIMFeedback) == sizeof(jint)) {
1111 /*
1112 * Optimization to avoid copying the array
1113 */
1114 (*env)->SetIntArrayRegion(env, style, 0,
1115 text->length, (jint *)text->feedback);
1116 } else {
1117 tmpstyle = (jint *)malloc(sizeof(jint)*(text->length));
1118 if (tmpstyle == (jint *) NULL) {
1119 THROW_OUT_OF_MEMORY_ERROR();
1120 goto finally;
1121 }
1122 for (cnt = 0; cnt < (int)text->length; cnt++)
1123 tmpstyle[cnt] = text->feedback[cnt];
1124 (*env)->SetIntArrayRegion(env, style, 0,
1125 text->length, (jint *)tmpstyle);
1126 free(tmpstyle);
1127 }
1128 }
1129 }
1130 JNU_CallMethodByName(env, NULL, pX11IMData->x11inputmethod,
1131 "dispatchComposedText",
1132 "(Ljava/lang/String;[IIIIJ)V",
1133 javastr,
1134 style,
1135 (jint)pre_draw->chg_first,
1136 (jint)pre_draw->chg_length,
1137 (jint)pre_draw->caret,
1138 awt_util_nowMillisUTC());
1139 finally:
1140 AWT_UNLOCK();
1141 return;
1142 }
1143
1144 static void
1145 PreeditCaretCallback(XIC ic, XPointer client_data,
1146 XIMPreeditCaretCallbackStruct *pre_caret)
1147 {
1148 /*ARGSUSED*/
1149 /* printf("Native: PreeditCaretCallback\n"); */
1150 }
1151
1152 #if defined(__linux__) || defined(MACOSX)
1153 static void
1154 StatusStartCallback(XIC ic, XPointer client_data, XPointer call_data)
1155 {
1156 /*ARGSUSED*/
1157 /*printf("StatusStartCallback:\n"); */
1158 }
1159
1160 static void
1161 StatusDoneCallback(XIC ic, XPointer client_data, XPointer call_data)
1162 {
1163 /*ARGSUSED*/
1164 /*printf("StatusDoneCallback:\n"); */
1165 }
1166
1167 static void
1168 StatusDrawCallback(XIC ic, XPointer client_data,
1169 XIMStatusDrawCallbackStruct *status_draw)
1170 {
1171 /*ARGSUSED*/
1172 /*printf("StatusDrawCallback:\n"); */
1173 JNIEnv *env = GetJNIEnv();
1174 X11InputMethodData *pX11IMData = NULL;
1175 StatusWindow *statusWindow;
1176
1177 AWT_LOCK();
1178
1179 if (!isX11InputMethodGRefInList((jobject)client_data)) {
1180 if ((jobject)client_data == currentX11InputMethodInstance) {
1181 currentX11InputMethodInstance = NULL;
1182 }
1183 goto finally;
1184 }
1185
1186 if (NULL == (pX11IMData = getX11InputMethodData(env, (jobject)client_data))
1187 || NULL == (statusWindow = pX11IMData->statusWindow)){
1188 goto finally;
1189 }
1190 currentX11InputMethodInstance = (jobject)client_data;
1191
1192 if (status_draw->type == XIMTextType) {
1193 XIMText *text = (status_draw->data).text;
1194 if (text != NULL) {
1195 if (text->string.multi_byte != NULL) {
1196 strncpy(statusWindow->status, text->string.multi_byte, MAX_STATUS_LEN);
1197 statusWindow->status[MAX_STATUS_LEN - 1] = '\0';
1198 } else {
1199 char *mbstr = wcstombsdmp(text->string.wide_char, text->length);
1200 strncpy(statusWindow->status, mbstr, MAX_STATUS_LEN);
1201 statusWindow->status[MAX_STATUS_LEN - 1] = '\0';
1202 }
1203 statusWindow->on = True;
1204 onoffStatusWindow(pX11IMData, statusWindow->parent, True);
1205 paintStatusWindow(statusWindow);
1206 } else {
1207 statusWindow->on = False;
1208 /*just turnoff the status window
1209 paintStatusWindow(statusWindow);
1210 */
1211 onoffStatusWindow(pX11IMData, 0, False);
1212 }
1213 }
1214
1215 finally:
1216 AWT_UNLOCK();
1217 }
1218 #endif /* __linux__ || MACOSX */
1219
1220 static void CommitStringCallback(XIC ic, XPointer client_data, XPointer call_data) {
1221 JNIEnv *env = GetJNIEnv();
1222 XIMText * text = (XIMText *)call_data;
1223 X11InputMethodData *pX11IMData = NULL;
1224 jstring javastr;
1225
1226 AWT_LOCK();
1227
1228 if (!isX11InputMethodGRefInList((jobject)client_data)) {
1229 if ((jobject)client_data == currentX11InputMethodInstance) {
1230 currentX11InputMethodInstance = NULL;
1231 }
1232 goto finally;
1233 }
1234
1235 if ((pX11IMData = getX11InputMethodData(env, (jobject)client_data)) == NULL) {
1236 goto finally;
1237 }
1238 currentX11InputMethodInstance = (jobject)client_data;
1239
1240 if (text->encoding_is_wchar == False) {
1241 javastr = JNU_NewStringPlatform(env, (const char *)text->string.multi_byte);
1242 } else {
1243 char *mbstr = wcstombsdmp(text->string.wide_char, text->length);
1244 if (mbstr == NULL) {
1245 goto finally;
1246 }
1247 javastr = JNU_NewStringPlatform(env, (const char *)mbstr);
1248 free(mbstr);
1249 }
1250
1251 if (javastr != NULL) {
1252 JNU_CallMethodByName(env, NULL,
1253 pX11IMData->x11inputmethod,
1254 "dispatchCommittedText",
1255 "(Ljava/lang/String;J)V",
1256 javastr,
1257 awt_util_nowMillisUTC());
1258 }
1259 finally:
1260 AWT_UNLOCK();
1261 }
1262
1263 static void OpenXIMCallback(Display *display, XPointer client_data, XPointer call_data) {
1264 XIMCallback ximCallback;
1265
1266 X11im = XOpenIM(display, NULL, NULL, NULL);
1267 if (X11im == NULL) {
1268 return;
1269 }
1270
1271 ximCallback.callback = (XIMProc)DestroyXIMCallback;
1272 ximCallback.client_data = NULL;
1273 XSetIMValues(X11im, XNDestroyCallback, &ximCallback, NULL);
1274 }
1275
1276 static void DestroyXIMCallback(XIM im, XPointer client_data, XPointer call_data) {
1277 /* mark that XIM server was destroyed */
1278 X11im = NULL;
1279 JNIEnv* env = (JNIEnv *)JNU_GetEnv(jvm, JNI_VERSION_1_2);
1280 /* free the old pX11IMData and set it to null. this also avoids crashing
1281 * the jvm if the XIM server reappears */
1282 X11InputMethodData *pX11IMData = getX11InputMethodData(env, currentX11InputMethodInstance);
1283 }
1284
1285 JNIEXPORT jboolean JNICALL
1286 Java_sun_awt_X11_XInputMethod_openXIMNative(JNIEnv *env,
1287 jobject this,
1288 jlong display)
1289 {
1290 Bool registered;
1291
1292 AWT_LOCK();
1293
1294 dpy = (Display *)jlong_to_ptr(display);
1295
1296 /* Use IMInstantiate call back only on Linux, as there is a bug in Solaris
1297 (4768335)
1298 */
1299 #if defined(__linux__) || defined(MACOSX)
1300 registered = XRegisterIMInstantiateCallback(dpy, NULL, NULL,
1301 NULL, (XIDProc)OpenXIMCallback, NULL);
1302 if (!registered) {
1303 /* directly call openXIM callback */
1304 #endif
1305 OpenXIMCallback(dpy, NULL, NULL);
1306 #if defined(__linux__) || defined(MACOSX)
1307 }
1308 #endif
1309
1310 AWT_UNLOCK();
1311
1312 return JNI_TRUE;
1313 }
1314
1315 JNIEXPORT jboolean JNICALL
1316 Java_sun_awt_X11_XInputMethod_createXICNative(JNIEnv *env,
1317 jobject this,
1318 jlong window)
1319 {
1320 X11InputMethodData *pX11IMData;
1321 jobject globalRef;
1322 XIC ic;
1323
1324 AWT_LOCK();
1325
1326 if (!window) {
1327 JNU_ThrowNullPointerException(env, "NullPointerException");
1328 AWT_UNLOCK();
1329 return JNI_FALSE;
1330 }
1331
1332 pX11IMData = (X11InputMethodData *) calloc(1, sizeof(X11InputMethodData));
1333 if (pX11IMData == NULL) {
1334 THROW_OUT_OF_MEMORY_ERROR();
1335 AWT_UNLOCK();
1336 return JNI_FALSE;
1337 }
1338
1339 globalRef = (*env)->NewGlobalRef(env, this);
1340 pX11IMData->x11inputmethod = globalRef;
1341 #if defined(__linux__) || defined(MACOSX)
1342 pX11IMData->statusWindow = NULL;
1343 #endif /* __linux__ || MACOSX */
1344
1345 pX11IMData->lookup_buf = 0;
1346 pX11IMData->lookup_buf_len = 0;
1347
1348 if (createXIC(env, pX11IMData, (Window)window) == False) {
1349 destroyX11InputMethodData((JNIEnv *) NULL, pX11IMData);
1350 pX11IMData = (X11InputMethodData *) NULL;
1351 if ((*env)->ExceptionCheck(env)) {
1352 goto finally;
1353 }
1354 }
1355
1356 setX11InputMethodData(env, this, pX11IMData);
1357
1358 finally:
1359 AWT_UNLOCK();
1360 return (pX11IMData != NULL);
1361 }
1362
1363 JNIEXPORT void JNICALL
1364 Java_sun_awt_X11_XInputMethod_setXICFocusNative(JNIEnv *env,
1365 jobject this,
1366 jlong w,
1367 jboolean req,
1368 jboolean active)
1369 {
1370 X11InputMethodData *pX11IMData;
1371 AWT_LOCK();
1372 pX11IMData = getX11InputMethodData(env, this);
1373 if (pX11IMData == NULL) {
1374 AWT_UNLOCK();
1375 return;
1376 }
1377
1378 if (req) {
1379 if (!w) {
1380 AWT_UNLOCK();
1381 return;
1382 }
1383 pX11IMData->current_ic = active ?
1384 pX11IMData->ic_active : pX11IMData->ic_passive;
1385 /*
1386 * On Solaris2.6, setXICWindowFocus() has to be invoked
1387 * before setting focus.
1388 */
1389 setXICWindowFocus(pX11IMData->current_ic, w);
1390 setXICFocus(pX11IMData->current_ic, req);
1391 currentX11InputMethodInstance = pX11IMData->x11inputmethod;
1392 currentFocusWindow = w;
1393 #if defined(__linux__) || defined(MACOSX)
1394 if (active && pX11IMData->statusWindow && pX11IMData->statusWindow->on)
1395 onoffStatusWindow(pX11IMData, w, True);
1396 #endif
1397 } else {
1398 currentX11InputMethodInstance = NULL;
1399 currentFocusWindow = 0;
1400 #if defined(__linux__) || defined(MACOSX)
1401 onoffStatusWindow(pX11IMData, 0, False);
1402 if (pX11IMData->current_ic != NULL)
1403 #endif
1404 setXICFocus(pX11IMData->current_ic, req);
1405
1406 pX11IMData->current_ic = (XIC)0;
1407 }
1408
1409 XFlush(dpy);
1410 AWT_UNLOCK();
1411 }
1412
1413 /*
1414 * Class: sun_awt_X11InputMethodBase
1415 * Method: initIDs
1416 * Signature: ()V
1417 * This function gets called from the static initializer for
1418 * X11InputMethod.java to initialize the fieldIDs for fields
1419 * that may be accessed from C
1420 */
1421 JNIEXPORT void JNICALL Java_sun_awt_X11InputMethodBase_initIDs
1422 (JNIEnv *env, jclass cls)
1423 {
1424 x11InputMethodIDs.pData = (*env)->GetFieldID(env, cls, "pData", "J");
1425 }
1426
1427 /*
1428 * Class: sun_awt_X11InputMethodBase
1429 * Method: turnoffStatusWindow
1430 * Signature: ()V
1431 */
1432 JNIEXPORT void JNICALL Java_sun_awt_X11InputMethodBase_turnoffStatusWindow
1433 (JNIEnv *env, jobject this)
1434 {
1435 #if defined(__linux__) || defined(MACOSX)
1436 X11InputMethodData *pX11IMData;
1437 StatusWindow *statusWindow;
1438
1439 AWT_LOCK();
1440
1441 if (NULL == currentX11InputMethodInstance
1442 || !isX11InputMethodGRefInList(currentX11InputMethodInstance)
1443 || NULL == (pX11IMData = getX11InputMethodData(env,currentX11InputMethodInstance))
1444 || NULL == (statusWindow = pX11IMData->statusWindow)
1445 || !statusWindow->on ){
1446 AWT_UNLOCK();
1447 return;
1448 }
1449 onoffStatusWindow(pX11IMData, 0, False);
1450
1451 AWT_UNLOCK();
1452 #endif
1453 }
1454
1455 /*
1456 * Class: sun_awt_X11InputMethodBase
1457 * Method: disposeXIC
1458 * Signature: ()V
1459 */
1460 JNIEXPORT void JNICALL Java_sun_awt_X11InputMethodBase_disposeXIC
1461 (JNIEnv *env, jobject this)
1462 {
1463 X11InputMethodData *pX11IMData = NULL;
1464
1465 AWT_LOCK();
1466 pX11IMData = getX11InputMethodData(env, this);
1467 if (pX11IMData == NULL) {
1468 AWT_UNLOCK();
1469 return;
1470 }
1471
1472 setX11InputMethodData(env, this, NULL);
1473
1474 if (pX11IMData->x11inputmethod == currentX11InputMethodInstance) {
1475 currentX11InputMethodInstance = NULL;
1476 currentFocusWindow = 0;
1477 }
1478 destroyX11InputMethodData(env, pX11IMData);
1479 AWT_UNLOCK();
1480 }
1481
1482 /*
1483 * Class: sun_awt_X11InputMethodBase
1484 * Method: resetXIC
1485 * Signature: ()Ljava/lang/String;
1486 */
1487 JNIEXPORT jstring JNICALL Java_sun_awt_X11InputMethodBase_resetXIC
1488 (JNIEnv *env, jobject this)
1489 {
1490 X11InputMethodData *pX11IMData;
1491 char *xText = NULL;
1492 jstring jText = (jstring)0;
1493
1494 AWT_LOCK();
1495 pX11IMData = getX11InputMethodData(env, this);
1496 if (pX11IMData == NULL) {
1497 AWT_UNLOCK();
1498 return jText;
1499 }
1500
1501 if (pX11IMData->current_ic)
1502 xText = XmbResetIC(pX11IMData->current_ic);
1503 else {
1504 /*
1505 * If there is no reference to the current XIC, try to reset both XICs.
1506 */
1507 xText = XmbResetIC(pX11IMData->ic_active);
1508 /*it may also means that the real client component does
1509 not have focus -- has been deactivated... its xic should
1510 not have the focus, bug#4284651 showes reset XIC for htt
1511 may bring the focus back, so de-focus it again.
1512 */
1513 setXICFocus(pX11IMData->ic_active, FALSE);
1514 if (pX11IMData->ic_active != pX11IMData->ic_passive) {
1515 char *tmpText = XmbResetIC(pX11IMData->ic_passive);
1516 setXICFocus(pX11IMData->ic_passive, FALSE);
1517 if (xText == (char *)NULL && tmpText)
1518 xText = tmpText;
1519 }
1520
1521 }
1522 if (xText != NULL) {
1523 jText = JNU_NewStringPlatform(env, (const char *)xText);
1524 XFree((void *)xText);
1525 }
1526
1527 AWT_UNLOCK();
1528 return jText;
1529 }
1530
1531 /*
1532 * Class: sun_awt_X11InputMethodBase
1533 * Method: setCompositionEnabledNative
1534 * Signature: (Z)Z
1535 *
1536 * This method tries to set the XNPreeditState attribute associated with the current
1537 * XIC to the passed in 'enable' state.
1538 *
1539 * Return JNI_TRUE if XNPreeditState attribute is successfully changed to the
1540 * 'enable' state; Otherwise, if XSetICValues fails to set this attribute,
1541 * java.lang.UnsupportedOperationException will be thrown. JNI_FALSE is returned if this
1542 * method fails due to other reasons.
1543 */
1544 JNIEXPORT jboolean JNICALL Java_sun_awt_X11InputMethodBase_setCompositionEnabledNative
1545 (JNIEnv *env, jobject this, jboolean enable)
1546 {
1547 X11InputMethodData *pX11IMData;
1548 char * ret = NULL;
1549
1550 AWT_LOCK();
1551 pX11IMData = getX11InputMethodData(env, this);
1552
1553 if ((pX11IMData == NULL) || (pX11IMData->current_ic == NULL)) {
1554 AWT_UNLOCK();
1555 return JNI_FALSE;
1556 }
1557
1558 ret = XSetICValues(pX11IMData->current_ic, XNPreeditState,
1559 (enable ? XIMPreeditEnable : XIMPreeditDisable), NULL);
1560 AWT_UNLOCK();
1561
1562 if ((ret != 0) && (strcmp(ret, XNPreeditState) == 0)) {
1563 JNU_ThrowByName(env, "java/lang/UnsupportedOperationException", "");
1564 }
1565
1566 return (jboolean)(ret == 0);
1567 }
1568
1569 /*
1570 * Class: sun_awt_X11InputMethodBase
1571 * Method: isCompositionEnabledNative
1572 * Signature: ()Z
1573 *
1574 * This method tries to get the XNPreeditState attribute associated with the current XIC.
1575 *
1576 * Return JNI_TRUE if the XNPreeditState is successfully retrieved. Otherwise, if
1577 * XGetICValues fails to get this attribute, java.lang.UnsupportedOperationException
1578 * will be thrown. JNI_FALSE is returned if this method fails due to other reasons.
1579 */
1580 JNIEXPORT jboolean JNICALL Java_sun_awt_X11InputMethodBase_isCompositionEnabledNative
1581 (JNIEnv *env, jobject this)
1582 {
1583 X11InputMethodData *pX11IMData = NULL;
1584 char * ret = NULL;
1585 XIMPreeditState state;
1586
1587 AWT_LOCK();
1588 pX11IMData = getX11InputMethodData(env, this);
1589
1590 if ((pX11IMData == NULL) || (pX11IMData->current_ic == NULL)) {
1591 AWT_UNLOCK();
1592 return JNI_FALSE;
1593 }
1594
1595 ret = XGetICValues(pX11IMData->current_ic, XNPreeditState, &state, NULL);
1596 AWT_UNLOCK();
1597
1598 if ((ret != 0) && (strcmp(ret, XNPreeditState) == 0)) {
1599 JNU_ThrowByName(env, "java/lang/UnsupportedOperationException", "");
1600 return JNI_FALSE;
1601 }
1602
1603 return (jboolean)(state == XIMPreeditEnable);
1604 }
1605
1606 JNIEXPORT void JNICALL Java_sun_awt_X11_XInputMethod_adjustStatusWindow
1607 (JNIEnv *env, jobject this, jlong window)
1608 {
1609 #if defined(__linux__) || defined(MACOSX)
1610 AWT_LOCK();
1611 adjustStatusWindow(window);
1612 AWT_UNLOCK();
1613 #endif
1614 }