Mercurial > hg > xemacs-beta

comparison src/xmu.c @ 0:376386a54a3c r19-14

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Import from CVS: tag r19-14
author cvs
date Mon, 13 Aug 2007 08:45:50 +0200
parents
children 0293115a14e9
comparison
equal deleted inserted replaced
-1:000000000000 0:376386a54a3c
1 /* This file contains compatibility routines for systems without Xmu.
2 * You would be better served by installing Xmu on your machine or
3 * yelling at your vendor to ship it.
4 */
5
6 /* XEmacs changes: rindex -> strrchr */
7
8 /* Synched up with: Not in FSF. */
9
10 #include <config.h>
11
12 #ifndef HAVE_XMU
13 /*
14 * Copyright 1989 Massachusetts Institute of Technology
15 *
16 * Permission to use, copy, modify, and distribute this software and its
17 * documentation for any purpose and without fee is hereby granted, provided
18 * that the above copyright notice appear in all copies and that both that
19 * copyright notice and this permission notice appear in supporting
20 * documentation, and that the name of M.I.T. not be used in advertising
21 * or publicity pertaining to distribution of the software without specific,
22 * written prior permission. M.I.T. makes no representations about the
23 * suitability of this software for any purpose. It is provided "as is"
24 * without express or implied warranty.
25 *
26 * M.I.T. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL M.I.T.
28 * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
29 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
30 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
31 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
32 */
33 #include <X11/cursorfont.h>
34 #include <X11/Xos.h>
35 #include <X11/Xlib.h>
36 #include <X11/Xutil.h>
37 #include <X11/Intrinsic.h>
38
39 /* for XmuCopyISOLatin1Lowered */
40 #define XK_LATIN1
41 #include <X11/keysymdef.h>
42 #undef XK_LATIN1
43
44 #if (XtSpecificationRelease >= 5)
45 /*
46 * Don't know why, but this works with X11R5, not X11R4.
47 * Anyway, _XExtension is defined in Xlib.h in X11R4, so we do not need
48 * Xlibint in that case...
49 */
50 #include <X11/Xlibint.h>
51 #endif
52 #include <X11/Xproto.h>
53 #include <stdio.h>
54 #include <ctype.h>
55
56
57 int XmuCursorNameToIndex (const char *name)
58 {
59 static const struct _CursorName {
60 const char *name;
61 unsigned int shape;
62 } cursor_names[] = {
63 {"x_cursor", XC_X_cursor},
64 {"arrow", XC_arrow},
65 {"based_arrow_down", XC_based_arrow_down},
66 {"based_arrow_up", XC_based_arrow_up},
67 {"boat", XC_boat},
68 {"bogosity", XC_bogosity},
69 {"bottom_left_corner", XC_bottom_left_corner},
70 {"bottom_right_corner", XC_bottom_right_corner},
71 {"bottom_side", XC_bottom_side},
72 {"bottom_tee", XC_bottom_tee},
73 {"box_spiral", XC_box_spiral},
74 {"center_ptr", XC_center_ptr},
75 {"circle", XC_circle},
76 {"clock", XC_clock},
77 {"coffee_mug", XC_coffee_mug},
78 {"cross", XC_cross},
79 {"cross_reverse", XC_cross_reverse},
80 {"crosshair", XC_crosshair},
81 {"diamond_cross", XC_diamond_cross},
82 {"dot", XC_dot},
83 {"dotbox", XC_dotbox},
84 {"double_arrow", XC_double_arrow},
85 {"draft_large", XC_draft_large},
86 {"draft_small", XC_draft_small},
87 {"draped_box", XC_draped_box},
88 {"exchange", XC_exchange},
89 {"fleur", XC_fleur},
90 {"gobbler", XC_gobbler},
91 {"gumby", XC_gumby},
92 {"hand1", XC_hand1},
93 {"hand2", XC_hand2},
94 {"heart", XC_heart},
95 {"icon", XC_icon},
96 {"iron_cross", XC_iron_cross},
97 {"left_ptr", XC_left_ptr},
98 {"left_side", XC_left_side},
99 {"left_tee", XC_left_tee},
100 {"leftbutton", XC_leftbutton},
101 {"ll_angle", XC_ll_angle},
102 {"lr_angle", XC_lr_angle},
103 {"man", XC_man},
104 {"middlebutton", XC_middlebutton},
105 {"mouse", XC_mouse},
106 {"pencil", XC_pencil},
107 {"pirate", XC_pirate},
108 {"plus", XC_plus},
109 {"question_arrow", XC_question_arrow},
110 {"right_ptr", XC_right_ptr},
111 {"right_side", XC_right_side},
112 {"right_tee", XC_right_tee},
113 {"rightbutton", XC_rightbutton},
114 {"rtl_logo", XC_rtl_logo},
115 {"sailboat", XC_sailboat},
116 {"sb_down_arrow", XC_sb_down_arrow},
117 {"sb_h_double_arrow", XC_sb_h_double_arrow},
118 {"sb_left_arrow", XC_sb_left_arrow},
119 {"sb_right_arrow", XC_sb_right_arrow},
120 {"sb_up_arrow", XC_sb_up_arrow},
121 {"sb_v_double_arrow", XC_sb_v_double_arrow},
122 {"shuttle", XC_shuttle},
123 {"sizing", XC_sizing},
124 {"spider", XC_spider},
125 {"spraycan", XC_spraycan},
126 {"star", XC_star},
127 {"target", XC_target},
128 {"tcross", XC_tcross},
129 {"top_left_arrow", XC_top_left_arrow},
130 {"top_left_corner", XC_top_left_corner},
131 {"top_right_corner", XC_top_right_corner},
132 {"top_side", XC_top_side},
133 {"top_tee", XC_top_tee},
134 {"trek", XC_trek},
135 {"ul_angle", XC_ul_angle},
136 {"umbrella", XC_umbrella},
137 {"ur_angle", XC_ur_angle},
138 {"watch", XC_watch},
139 {"xterm", XC_xterm},
140 };
141 const struct _CursorName *table;
142 int i;
143 char tmp[40];
144
145 if (strlen (name) >= sizeof tmp) return -1;
146 for (i=0; i<strlen(name); i++)
147 if (isupper((unsigned char) name[i]))
148 tmp[i] = tolower((unsigned char) name[i]);
149 else
150 tmp[i] = name[i];
151 tmp[i] = 0;
152
153 for (i=0, table=cursor_names; i < XtNumber(cursor_names); i++, table++ ) {
154 if (strcmp(tmp, table->name) == 0) return table->shape;
155 }
156
157 return -1;
158 }
159
160
161 /*
162 * Based on an optimized version provided by Jim Becker, Auguest 5, 1988.
163 */
164
165
166 #define MAX_SIZE 255
167
168 /* shared data for the image read/parse logic */
169 static short hexTable[256]; /* conversion value */
170 static Bool initialized = False; /* easier to fill in at run time */
171
172
173 /*
174 * Table index for the hex values. Initialized once, first time.
175 * Used for translation value or delimiter significance lookup.
176 */
177 static void initHexTable()
178 {
179 /*
180 * We build the table at run time for several reasons:
181 *
182 * 1. portable to non-ASCII machines.
183 * 2. still reentrant since we set the init flag after setting table.
184 * 3. easier to extend.
185 * 4. less prone to bugs.
186 */
187 hexTable['0'] = 0; hexTable['1'] = 1;
188 hexTable['2'] = 2; hexTable['3'] = 3;
189 hexTable['4'] = 4; hexTable['5'] = 5;
190 hexTable['6'] = 6; hexTable['7'] = 7;
191 hexTable['8'] = 8; hexTable['9'] = 9;
192 hexTable['A'] = 10; hexTable['B'] = 11;
193 hexTable['C'] = 12; hexTable['D'] = 13;
194 hexTable['E'] = 14; hexTable['F'] = 15;
195 hexTable['a'] = 10; hexTable['b'] = 11;
196 hexTable['c'] = 12; hexTable['d'] = 13;
197 hexTable['e'] = 14; hexTable['f'] = 15;
198
199 /* delimiters of significance are flagged w/ negative value */
200 hexTable[' '] = -1; hexTable[','] = -1;
201 hexTable['}'] = -1; hexTable['\n'] = -1;
202 hexTable['\t'] = -1;
203
204 initialized = True;
205 }
206
207 /*
208 * read next hex value in the input stream, return -1 if EOF
209 */
210 static int NextInt (fstream)
211 FILE *fstream;
212 {
213 int ch;
214 int value = 0;
215 int gotone = 0;
216 int done = 0;
217
218 /* loop, accumulate hex value until find delimiter */
219 /* skip any initial delimiters found in read stream */
220
221 while (!done) {
222 ch = getc(fstream);
223 if (ch == EOF) {
224 value = -1;
225 done++;
226 } else {
227 /* trim high bits, check type and accumulate */
228 ch &= 0xff;
229 if (isascii(ch) && isxdigit(ch)) {
230 value = (value << 4) + hexTable[ch];
231 gotone++;
232 } else if ((hexTable[ch]) < 0 && gotone)
233 done++;
234 }
235 }
236 return value;
237 }
238
239
240 /*
241 * The data returned by the following routine is always in left-most byte
242 * first and left-most bit first. If it doesn't return BitmapSuccess then
243 * its arguments won't have been touched. This routine should look as much
244 * like the Xlib routine XReadBitmapfile as possible.
245 */
246 int XmuReadBitmapData (fstream, width, height, datap, x_hot, y_hot)
247 FILE *fstream; /* handle on file */
248 unsigned int *width, *height; /* RETURNED */
249 unsigned char **datap; /* RETURNED */
250 int *x_hot, *y_hot; /* RETURNED */
251 {
252 unsigned char *data = NULL; /* working variable */
253 char line[MAX_SIZE]; /* input line from file */
254 int size; /* number of bytes of data */
255 char name_and_type[MAX_SIZE]; /* an input line */
256 char *type; /* for parsing */
257 int value; /* from an input line */
258 int version10p; /* boolean, old format */
259 int padding; /* to handle alignment */
260 int bytes_per_line; /* per scanline of data */
261 unsigned int ww = 0; /* width */
262 unsigned int hh = 0; /* height */
263 int hx = -1; /* x hotspot */
264 int hy = -1; /* y hotspot */
265
266 #ifndef Xmalloc
267 #define Xmalloc(size) malloc(size)
268 #endif
269
270 /* first time initialization */
271 if (initialized == False) initHexTable();
272
273 /* error cleanup and return macro */
274 #define RETURN(code) { if (data) free (data); return code; }
275
276 while (fgets(line, MAX_SIZE, fstream)) {
277 if (strlen(line) == MAX_SIZE-1) {
278 RETURN (BitmapFileInvalid);
279 }
280 if (sscanf(line,"#define %s %d",name_and_type,&value) == 2) {
281 if (!(type = strrchr(name_and_type, '_')))
282 type = name_and_type;
283 else
284 type++;
285
286 if (!strcmp("width", type))
287 ww = (unsigned int) value;
288 if (!strcmp("height", type))
289 hh = (unsigned int) value;
290 if (!strcmp("hot", type)) {
291 if (type-- == name_and_type || type-- == name_and_type)
292 continue;
293 if (!strcmp("x_hot", type))
294 hx = value;
295 if (!strcmp("y_hot", type))
296 hy = value;
297 }
298 continue;
299 }
300
301 if (sscanf(line, "static short %s = {", name_and_type) == 1)
302 version10p = 1;
303 else if (sscanf(line,"static unsigned char %s = {",name_and_type) == 1)
304 version10p = 0;
305 else if (sscanf(line, "static char %s = {", name_and_type) == 1)
306 version10p = 0;
307 else
308 continue;
309
310 if (!(type = strrchr(name_and_type, '_')))
311 type = name_and_type;
312 else
313 type++;
314
315 if (strcmp("bits[]", type))
316 continue;
317
318 if (!ww || !hh)
319 RETURN (BitmapFileInvalid);
320
321 if ((ww % 16) && ((ww % 16) < 9) && version10p)
322 padding = 1;
323 else
324 padding = 0;
325
326 bytes_per_line = (ww+7)/8 + padding;
327
328 size = bytes_per_line * hh;
329 data = (unsigned char *) Xmalloc ((unsigned int) size);
330 if (!data)
331 RETURN (BitmapNoMemory);
332
333 if (version10p) {
334 unsigned char *ptr;
335 int bytes;
336
337 for (bytes=0, ptr=data; bytes<size; (bytes += 2)) {
338 if ((value = NextInt(fstream)) < 0)
339 RETURN (BitmapFileInvalid);
340 *(ptr++) = value;
341 if (!padding || ((bytes+2) % bytes_per_line))
342 *(ptr++) = value >> 8;
343 }
344 } else {
345 unsigned char *ptr;
346 int bytes;
347
348 for (bytes=0, ptr=data; bytes<size; bytes++, ptr++) {
349 if ((value = NextInt(fstream)) < 0)
350 RETURN (BitmapFileInvalid);
351 *ptr=value;
352 }
353 }
354 break;
355 } /* end while */
356
357 if (data == NULL) {
358 RETURN (BitmapFileInvalid);
359 }
360
361 *datap = data;
362 data = NULL;
363 *width = ww;
364 *height = hh;
365 if (x_hot) *x_hot = hx;
366 if (y_hot) *y_hot = hy;
367
368 RETURN (BitmapSuccess);
369 }
370
371
372 #if NeedFunctionPrototypes
373 int XmuReadBitmapDataFromFile (const char *filename, unsigned int *width,
374 unsigned int *height, unsigned char **datap,
375 int *x_hot, int *y_hot)
376 #else
377 int XmuReadBitmapDataFromFile (filename, width, height, datap, x_hot, y_hot)
378 char *filename;
379 unsigned int *width, *height; /* RETURNED */
380 unsigned char **datap; /* RETURNED */
381 int *x_hot, *y_hot; /* RETURNED */
382 #endif
383 {
384 FILE *fstream;
385 int status;
386
387 if ((fstream = fopen (filename, "r")) == NULL) {
388 return BitmapOpenFailed;
389 }
390 status = XmuReadBitmapData (fstream, width, height, datap, x_hot, y_hot);
391 fclose (fstream);
392 return status;
393 }
394
395 /*
396 * XmuPrintDefaultErrorMessage - print a nice error that looks like the usual
397 * message. Returns 1 if the caller should consider exitting else 0.
398 */
399 int XmuPrintDefaultErrorMessage (dpy, event, fp)
400 Display *dpy;
401 XErrorEvent *event;
402 FILE *fp;
403 {
404 char buffer[BUFSIZ];
405 char mesg[BUFSIZ];
406 char number[32];
407 char *mtype = "XlibMessage";
408 _XExtension *ext = (_XExtension *)NULL;
409 XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
410 XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
411 (void) fprintf(fp, "%s: %s\n ", mesg, buffer);
412 XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d",
413 mesg, BUFSIZ);
414 (void) fprintf(fp, mesg, event->request_code);
415 if (event->request_code < 128) {
416 sprintf(number, "%d", event->request_code);
417 XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
418 } else {
419 /* XXX this is non-portable */
420 for (ext = dpy->ext_procs;
421 ext && (ext->codes.major_opcode != event->request_code);
422 ext = ext->next)
423 ;
424 if (ext)
425 strcpy(buffer, ext->name);
426 else
427 buffer[0] = '\0';
428 }
429 (void) fprintf(fp, " (%s)", buffer);
430 fputs("\n ", fp);
431 #if (XtSpecificationRelease >= 5)
432 if (event->request_code >= 128) {
433 XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
434 mesg, BUFSIZ);
435 (void) fprintf(fp, mesg, event->minor_code);
436 if (ext) {
437 sprintf(mesg, "%s.%d", ext->name, event->minor_code);
438 XGetErrorDatabaseText(dpy, "XRequest", mesg, "", buffer, BUFSIZ);
439 (void) fprintf(fp, " (%s)", buffer);
440 }
441 fputs("\n ", fp);
442 }
443 if (event->error_code >= 128) {
444 /* let extensions try to print the values */
445 /* XXX this is non-portable code */
446 for (ext = dpy->ext_procs; ext; ext = ext->next) {
447 if (ext->error_values)
448 (*ext->error_values)(dpy, event, fp);
449 }
450 /* the rest is a fallback, providing a simple default */
451 /* kludge, try to find the extension that caused it */
452 buffer[0] = '\0';
453 for (ext = dpy->ext_procs; ext; ext = ext->next) {
454 if (ext->error_string)
455 (*ext->error_string)(dpy, event->error_code, &ext->codes,
456 buffer, BUFSIZ);
457 if (buffer[0])
458 break;
459 }
460 if (buffer[0])
461 sprintf(buffer, "%s.%d", ext->name,
462 event->error_code - ext->codes.first_error);
463 else
464 strcpy(buffer, "Value");
465 XGetErrorDatabaseText(dpy, mtype, buffer, "", mesg, BUFSIZ);
466 if (*mesg) {
467 (void) fprintf(fp, mesg, event->resourceid);
468 fputs("\n ", fp);
469 }
470 } else if ((event->error_code == BadWindow) ||
471 (event->error_code == BadPixmap) ||
472 (event->error_code == BadCursor) ||
473 (event->error_code == BadFont) ||
474 (event->error_code == BadDrawable) ||
475 (event->error_code == BadColor) ||
476 (event->error_code == BadGC) ||
477 (event->error_code == BadIDChoice) ||
478 (event->error_code == BadValue) ||
479 (event->error_code == BadAtom)) {
480 if (event->error_code == BadValue)
481 XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
482 mesg, BUFSIZ);
483 else if (event->error_code == BadAtom)
484 XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
485 mesg, BUFSIZ);
486 else
487 XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
488 mesg, BUFSIZ);
489 (void) fprintf(fp, mesg, event->resourceid);
490 fputs("\n ", fp);
491 }
492 #elif (XtSpecificationRelease == 4)
493 XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
494 mesg, BUFSIZ);
495 (void) fprintf(fp, mesg, event->minor_code);
496 fputs("\n ", fp);
497 if (ext) {
498 sprintf(mesg, "%s.%d", ext->name, event->minor_code);
499 XGetErrorDatabaseText(dpy, "XRequest", mesg, "", buffer, BUFSIZ);
500 (void) fprintf(fp, " (%s)", buffer);
501 }
502 XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
503 mesg, BUFSIZ);
504 (void) fprintf(fp, mesg, event->resourceid);
505 fputs("\n ", fp);
506 #else
507 ERROR! Unsupported release of X11
508 #endif
509 XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
510 mesg, BUFSIZ);
511 (void) fprintf(fp, mesg, event->serial);
512 fputs("\n ", fp);
513 XGetErrorDatabaseText(dpy, mtype, "CurrentSerial", "Current Serial #%d",
514 mesg, BUFSIZ);
515 (void) fprintf(fp, mesg, NextRequest(dpy)-1);
516 fputs("\n", fp);
517 if (event->error_code == BadImplementation) return 0;
518 return 1;
519 }
520
521
522 /*
523 * XmuSimpleErrorHandler - ignore errors for XQueryTree, XGetWindowAttributes,
524 * and XGetGeometry; print a message for everything else. In all case, do
525 * not exit.
526 */
527 int XmuSimpleErrorHandler (dpy, errorp)
528 Display *dpy;
529 XErrorEvent *errorp;
530 {
531 switch (errorp->request_code) {
532 case X_QueryTree:
533 case X_GetWindowAttributes:
534 if (errorp->error_code == BadWindow) return 0;
535 break;
536 case X_GetGeometry:
537 if (errorp->error_code == BadDrawable) return 0;
538 break;
539 }
540 /* got a "real" X error */
541 return XmuPrintDefaultErrorMessage (dpy, errorp, stderr);
542 }
543
544 void XmuCopyISOLatin1Lowered(char *dst, char *src)
545 {
546 unsigned char *dest, *source;
547
548 for (dest = (unsigned char *)dst, source = (unsigned char *)src;
549 *source;
550 source++, dest++)
551 {
552 if ((*source >= XK_A) && (*source <= XK_Z))
553 *dest = *source + (XK_a - XK_A);
554 else if ((*source >= XK_Agrave) && (*source <= XK_Odiaeresis))
555 *dest = *source + (XK_agrave - XK_Agrave);
556 else if ((*source >= XK_Ooblique) && (*source <= XK_Thorn))
557 *dest = *source + (XK_oslash - XK_Ooblique);
558 else
559 *dest = *source;
560 }
561 *dest = '\0';
562 }
563 #endif /* !HAVE_XMU */