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- /* This file contains compatibility routines for systems without Xmu.
- * You would be better served by installing Xmu on your machine or
- * yelling at your vendor to ship it.
- */
-
- /* XEmacs changes: rindex -> strrchr */
-
- /* Synched up with: Not in FSF. */
-
- #include <config.h>
-
- #ifndef HAVE_XMU
- /*
- * Copyright 1989 Massachusetts Institute of Technology
- *
- * Permission to use, copy, modify, and distribute this software and its
- * documentation for any purpose and without fee is hereby granted, 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 M.I.T. not be used in advertising
- * or publicity pertaining to distribution of the software without specific,
- * written prior permission. M.I.T. makes no representations about the
- * suitability of this software for any purpose. It is provided "as is"
- * without express or implied warranty.
- *
- * M.I.T. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL M.I.T.
- * 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.
- */
- #include <X11/cursorfont.h>
- #include <X11/Xos.h>
- #include <X11/Xlib.h>
- #include <X11/Xutil.h>
- #include <X11/Intrinsic.h>
-
- /* for XmuCopyISOLatin1Lowered */
- #define XK_LATIN1
- #include <X11/keysymdef.h>
- #undef XK_LATIN1
-
- #if (XtSpecificationRelease == 5)
- /*
- * Don't know why, but this works with X11R5, not X11R4.
- * Anyway, _XExtension is defined in Xlib.h in X11R4, so we do not need
- * Xlibint in that case...
- */
- #include <X11/Xlibint.h>
- #endif
- #include <X11/Xproto.h>
- #include <stdio.h>
- #include <ctype.h>
-
-
- int XmuCursorNameToIndex (const char *name)
- {
- static const struct _CursorName {
- const char *name;
- unsigned int shape;
- } cursor_names[] = {
- {"x_cursor", XC_X_cursor},
- {"arrow", XC_arrow},
- {"based_arrow_down", XC_based_arrow_down},
- {"based_arrow_up", XC_based_arrow_up},
- {"boat", XC_boat},
- {"bogosity", XC_bogosity},
- {"bottom_left_corner", XC_bottom_left_corner},
- {"bottom_right_corner", XC_bottom_right_corner},
- {"bottom_side", XC_bottom_side},
- {"bottom_tee", XC_bottom_tee},
- {"box_spiral", XC_box_spiral},
- {"center_ptr", XC_center_ptr},
- {"circle", XC_circle},
- {"clock", XC_clock},
- {"coffee_mug", XC_coffee_mug},
- {"cross", XC_cross},
- {"cross_reverse", XC_cross_reverse},
- {"crosshair", XC_crosshair},
- {"diamond_cross", XC_diamond_cross},
- {"dot", XC_dot},
- {"dotbox", XC_dotbox},
- {"double_arrow", XC_double_arrow},
- {"draft_large", XC_draft_large},
- {"draft_small", XC_draft_small},
- {"draped_box", XC_draped_box},
- {"exchange", XC_exchange},
- {"fleur", XC_fleur},
- {"gobbler", XC_gobbler},
- {"gumby", XC_gumby},
- {"hand1", XC_hand1},
- {"hand2", XC_hand2},
- {"heart", XC_heart},
- {"icon", XC_icon},
- {"iron_cross", XC_iron_cross},
- {"left_ptr", XC_left_ptr},
- {"left_side", XC_left_side},
- {"left_tee", XC_left_tee},
- {"leftbutton", XC_leftbutton},
- {"ll_angle", XC_ll_angle},
- {"lr_angle", XC_lr_angle},
- {"man", XC_man},
- {"middlebutton", XC_middlebutton},
- {"mouse", XC_mouse},
- {"pencil", XC_pencil},
- {"pirate", XC_pirate},
- {"plus", XC_plus},
- {"question_arrow", XC_question_arrow},
- {"right_ptr", XC_right_ptr},
- {"right_side", XC_right_side},
- {"right_tee", XC_right_tee},
- {"rightbutton", XC_rightbutton},
- {"rtl_logo", XC_rtl_logo},
- {"sailboat", XC_sailboat},
- {"sb_down_arrow", XC_sb_down_arrow},
- {"sb_h_double_arrow", XC_sb_h_double_arrow},
- {"sb_left_arrow", XC_sb_left_arrow},
- {"sb_right_arrow", XC_sb_right_arrow},
- {"sb_up_arrow", XC_sb_up_arrow},
- {"sb_v_double_arrow", XC_sb_v_double_arrow},
- {"shuttle", XC_shuttle},
- {"sizing", XC_sizing},
- {"spider", XC_spider},
- {"spraycan", XC_spraycan},
- {"star", XC_star},
- {"target", XC_target},
- {"tcross", XC_tcross},
- {"top_left_arrow", XC_top_left_arrow},
- {"top_left_corner", XC_top_left_corner},
- {"top_right_corner", XC_top_right_corner},
- {"top_side", XC_top_side},
- {"top_tee", XC_top_tee},
- {"trek", XC_trek},
- {"ul_angle", XC_ul_angle},
- {"umbrella", XC_umbrella},
- {"ur_angle", XC_ur_angle},
- {"watch", XC_watch},
- {"xterm", XC_xterm},
- };
- const struct _CursorName *table;
- int i;
- char tmp[40];
-
- if (strlen (name) >= sizeof tmp) return -1;
- for (i=0; i<strlen(name); i++)
- if (isupper((unsigned char) name[i]))
- tmp[i] = tolower((unsigned char) name[i]);
- else
- tmp[i] = name[i];
- tmp[i] = 0;
-
- for (i=0, table=cursor_names; i < XtNumber(cursor_names); i++, table++ ) {
- if (strcmp(tmp, table->name) == 0) return table->shape;
- }
-
- return -1;
- }
-
-
- /*
- * Based on an optimized version provided by Jim Becker, Auguest 5, 1988.
- */
-
-
- #define MAX_SIZE 255
-
- /* shared data for the image read/parse logic */
- static short hexTable[256]; /* conversion value */
- static Bool initialized = False; /* easier to fill in at run time */
-
-
- /*
- * Table index for the hex values. Initialized once, first time.
- * Used for translation value or delimiter significance lookup.
- */
- static void initHexTable()
- {
- /*
- * We build the table at run time for several reasons:
- *
- * 1. portable to non-ASCII machines.
- * 2. still reentrant since we set the init flag after setting table.
- * 3. easier to extend.
- * 4. less prone to bugs.
- */
- hexTable['0'] = 0; hexTable['1'] = 1;
- hexTable['2'] = 2; hexTable['3'] = 3;
- hexTable['4'] = 4; hexTable['5'] = 5;
- hexTable['6'] = 6; hexTable['7'] = 7;
- hexTable['8'] = 8; hexTable['9'] = 9;
- hexTable['A'] = 10; hexTable['B'] = 11;
- hexTable['C'] = 12; hexTable['D'] = 13;
- hexTable['E'] = 14; hexTable['F'] = 15;
- hexTable['a'] = 10; hexTable['b'] = 11;
- hexTable['c'] = 12; hexTable['d'] = 13;
- hexTable['e'] = 14; hexTable['f'] = 15;
-
- /* delimiters of significance are flagged w/ negative value */
- hexTable[' '] = -1; hexTable[','] = -1;
- hexTable['}'] = -1; hexTable['\n'] = -1;
- hexTable['\t'] = -1;
-
- initialized = True;
- }
-
- /*
- * read next hex value in the input stream, return -1 if EOF
- */
- static int NextInt (fstream)
- FILE *fstream;
- {
- int ch;
- int value = 0;
- int gotone = 0;
- int done = 0;
-
- /* loop, accumulate hex value until find delimiter */
- /* skip any initial delimiters found in read stream */
-
- while (!done) {
- ch = getc(fstream);
- if (ch == EOF) {
- value = -1;
- done++;
- } else {
- /* trim high bits, check type and accumulate */
- ch &= 0xff;
- if (isascii(ch) && isxdigit(ch)) {
- value = (value << 4) + hexTable[ch];
- gotone++;
- } else if ((hexTable[ch]) < 0 && gotone)
- done++;
- }
- }
- return value;
- }
-
-
- /*
- * The data returned by the following routine is always in left-most byte
- * first and left-most bit first. If it doesn't return BitmapSuccess then
- * its arguments won't have been touched. This routine should look as much
- * like the Xlib routine XReadBitmapfile as possible.
- */
- int XmuReadBitmapData (fstream, width, height, datap, x_hot, y_hot)
- FILE *fstream; /* handle on file */
- unsigned int *width, *height; /* RETURNED */
- unsigned char **datap; /* RETURNED */
- int *x_hot, *y_hot; /* RETURNED */
- {
- unsigned char *data = NULL; /* working variable */
- char line[MAX_SIZE]; /* input line from file */
- int size; /* number of bytes of data */
- char name_and_type[MAX_SIZE]; /* an input line */
- char *type; /* for parsing */
- int value; /* from an input line */
- int version10p; /* boolean, old format */
- int padding; /* to handle alignment */
- int bytes_per_line; /* per scanline of data */
- unsigned int ww = 0; /* width */
- unsigned int hh = 0; /* height */
- int hx = -1; /* x hotspot */
- int hy = -1; /* y hotspot */
-
- #ifndef Xmalloc
- #define Xmalloc(size) malloc(size)
- #endif
-
- /* first time initialization */
- if (initialized == False) initHexTable();
-
- /* error cleanup and return macro */
- #define RETURN(code) { if (data) free (data); return code; }
-
- while (fgets(line, MAX_SIZE, fstream)) {
- if (strlen(line) == MAX_SIZE-1) {
- RETURN (BitmapFileInvalid);
- }
- if (sscanf(line,"#define %s %d",name_and_type,&value) == 2) {
- if (!(type = strrchr(name_and_type, '_')))
- type = name_and_type;
- else
- type++;
-
- if (!strcmp("width", type))
- ww = (unsigned int) value;
- if (!strcmp("height", type))
- hh = (unsigned int) value;
- if (!strcmp("hot", type)) {
- if (type-- == name_and_type || type-- == name_and_type)
- continue;
- if (!strcmp("x_hot", type))
- hx = value;
- if (!strcmp("y_hot", type))
- hy = value;
- }
- continue;
- }
-
- if (sscanf(line, "static short %s = {", name_and_type) == 1)
- version10p = 1;
- else if (sscanf(line,"static unsigned char %s = {",name_and_type) == 1)
- version10p = 0;
- else if (sscanf(line, "static char %s = {", name_and_type) == 1)
- version10p = 0;
- else
- continue;
-
- if (!(type = strrchr(name_and_type, '_')))
- type = name_and_type;
- else
- type++;
-
- if (strcmp("bits[]", type))
- continue;
-
- if (!ww || !hh)
- RETURN (BitmapFileInvalid);
-
- if ((ww % 16) && ((ww % 16) < 9) && version10p)
- padding = 1;
- else
- padding = 0;
-
- bytes_per_line = (ww+7)/8 + padding;
-
- size = bytes_per_line * hh;
- data = (unsigned char *) Xmalloc ((unsigned int) size);
- if (!data)
- RETURN (BitmapNoMemory);
-
- if (version10p) {
- unsigned char *ptr;
- int bytes;
-
- for (bytes=0, ptr=data; bytes<size; (bytes += 2)) {
- if ((value = NextInt(fstream)) < 0)
- RETURN (BitmapFileInvalid);
- *(ptr++) = value;
- if (!padding || ((bytes+2) % bytes_per_line))
- *(ptr++) = value >> 8;
- }
- } else {
- unsigned char *ptr;
- int bytes;
-
- for (bytes=0, ptr=data; bytes<size; bytes++, ptr++) {
- if ((value = NextInt(fstream)) < 0)
- RETURN (BitmapFileInvalid);
- *ptr=value;
- }
- }
- break;
- } /* end while */
-
- if (data == NULL) {
- RETURN (BitmapFileInvalid);
- }
-
- *datap = data;
- data = NULL;
- *width = ww;
- *height = hh;
- if (x_hot) *x_hot = hx;
- if (y_hot) *y_hot = hy;
-
- RETURN (BitmapSuccess);
- }
-
-
- #if NeedFunctionPrototypes
- int XmuReadBitmapDataFromFile (CONST char *filename, unsigned int *width,
- unsigned int *height, unsigned char **datap,
- int *x_hot, int *y_hot)
- #else
- int XmuReadBitmapDataFromFile (filename, width, height, datap, x_hot, y_hot)
- char *filename;
- unsigned int *width, *height; /* RETURNED */
- unsigned char **datap; /* RETURNED */
- int *x_hot, *y_hot; /* RETURNED */
- #endif
- {
- FILE *fstream;
- int status;
-
- if ((fstream = fopen (filename, "r")) == NULL) {
- return BitmapOpenFailed;
- }
- status = XmuReadBitmapData (fstream, width, height, datap, x_hot, y_hot);
- fclose (fstream);
- return status;
- }
-
- /*
- * XmuPrintDefaultErrorMessage - print a nice error that looks like the usual
- * message. Returns 1 if the caller should consider exitting else 0.
- */
- int XmuPrintDefaultErrorMessage (dpy, event, fp)
- Display *dpy;
- XErrorEvent *event;
- FILE *fp;
- {
- char buffer[BUFSIZ];
- char mesg[BUFSIZ];
- char number[32];
- char *mtype = "XlibMessage";
- _XExtension *ext = (_XExtension *)NULL;
- XGetErrorText(dpy, event->error_code, buffer, BUFSIZ);
- XGetErrorDatabaseText(dpy, mtype, "XError", "X Error", mesg, BUFSIZ);
- (void) fprintf(fp, "%s: %s\n ", mesg, buffer);
- XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d",
- mesg, BUFSIZ);
- (void) fprintf(fp, mesg, event->request_code);
- if (event->request_code < 128) {
- sprintf(number, "%d", event->request_code);
- XGetErrorDatabaseText(dpy, "XRequest", number, "", buffer, BUFSIZ);
- } else {
- /* XXX this is non-portable */
- for (ext = dpy->ext_procs;
- ext && (ext->codes.major_opcode != event->request_code);
- ext = ext->next)
- ;
- if (ext)
- strcpy(buffer, ext->name);
- else
- buffer[0] = '\0';
- }
- (void) fprintf(fp, " (%s)", buffer);
- fputs("\n ", fp);
- #if (XtSpecificationRelease == 5)
- if (event->request_code >= 128) {
- XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
- mesg, BUFSIZ);
- (void) fprintf(fp, mesg, event->minor_code);
- if (ext) {
- sprintf(mesg, "%s.%d", ext->name, event->minor_code);
- XGetErrorDatabaseText(dpy, "XRequest", mesg, "", buffer, BUFSIZ);
- (void) fprintf(fp, " (%s)", buffer);
- }
- fputs("\n ", fp);
- }
- if (event->error_code >= 128) {
- /* let extensions try to print the values */
- /* XXX this is non-portable code */
- for (ext = dpy->ext_procs; ext; ext = ext->next) {
- if (ext->error_values)
- (*ext->error_values)(dpy, event, fp);
- }
- /* the rest is a fallback, providing a simple default */
- /* kludge, try to find the extension that caused it */
- buffer[0] = '\0';
- for (ext = dpy->ext_procs; ext; ext = ext->next) {
- if (ext->error_string)
- (*ext->error_string)(dpy, event->error_code, &ext->codes,
- buffer, BUFSIZ);
- if (buffer[0])
- break;
- }
- if (buffer[0])
- sprintf(buffer, "%s.%d", ext->name,
- event->error_code - ext->codes.first_error);
- else
- strcpy(buffer, "Value");
- XGetErrorDatabaseText(dpy, mtype, buffer, "", mesg, BUFSIZ);
- if (*mesg) {
- (void) fprintf(fp, mesg, event->resourceid);
- fputs("\n ", fp);
- }
- } else if ((event->error_code == BadWindow) ||
- (event->error_code == BadPixmap) ||
- (event->error_code == BadCursor) ||
- (event->error_code == BadFont) ||
- (event->error_code == BadDrawable) ||
- (event->error_code == BadColor) ||
- (event->error_code == BadGC) ||
- (event->error_code == BadIDChoice) ||
- (event->error_code == BadValue) ||
- (event->error_code == BadAtom)) {
- if (event->error_code == BadValue)
- XGetErrorDatabaseText(dpy, mtype, "Value", "Value 0x%x",
- mesg, BUFSIZ);
- else if (event->error_code == BadAtom)
- XGetErrorDatabaseText(dpy, mtype, "AtomID", "AtomID 0x%x",
- mesg, BUFSIZ);
- else
- XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
- mesg, BUFSIZ);
- (void) fprintf(fp, mesg, event->resourceid);
- fputs("\n ", fp);
- }
- #elif (XtSpecificationRelease == 4)
- XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
- mesg, BUFSIZ);
- (void) fprintf(fp, mesg, event->minor_code);
- fputs("\n ", fp);
- if (ext) {
- sprintf(mesg, "%s.%d", ext->name, event->minor_code);
- XGetErrorDatabaseText(dpy, "XRequest", mesg, "", buffer, BUFSIZ);
- (void) fprintf(fp, " (%s)", buffer);
- }
- XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
- mesg, BUFSIZ);
- (void) fprintf(fp, mesg, event->resourceid);
- fputs("\n ", fp);
- #else
- ERROR! Unsupported release of X11
- #endif
- XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
- mesg, BUFSIZ);
- (void) fprintf(fp, mesg, event->serial);
- fputs("\n ", fp);
- XGetErrorDatabaseText(dpy, mtype, "CurrentSerial", "Current Serial #%d",
- mesg, BUFSIZ);
- (void) fprintf(fp, mesg, NextRequest(dpy)-1);
- fputs("\n", fp);
- if (event->error_code == BadImplementation) return 0;
- return 1;
- }
-
-
- /*
- * XmuSimpleErrorHandler - ignore errors for XQueryTree, XGetWindowAttributes,
- * and XGetGeometry; print a message for everything else. In all case, do
- * not exit.
- */
- int XmuSimpleErrorHandler (dpy, errorp)
- Display *dpy;
- XErrorEvent *errorp;
- {
- switch (errorp->request_code) {
- case X_QueryTree:
- case X_GetWindowAttributes:
- if (errorp->error_code == BadWindow) return 0;
- break;
- case X_GetGeometry:
- if (errorp->error_code == BadDrawable) return 0;
- break;
- }
- /* got a "real" X error */
- return XmuPrintDefaultErrorMessage (dpy, errorp, stderr);
- }
-
- void XmuCopyISOLatin1Lowered(char *dst, CONST char *src)
- {
- unsigned char *dest, *source;
-
- for (dest = (unsigned char *)dst, source = (unsigned char *)src;
- *source;
- source++, dest++)
- {
- if ((*source >= XK_A) && (*source <= XK_Z))
- *dest = *source + (XK_a - XK_A);
- else if ((*source >= XK_Agrave) && (*source <= XK_Odiaeresis))
- *dest = *source + (XK_agrave - XK_Agrave);
- else if ((*source >= XK_Ooblique) && (*source <= XK_Thorn))
- *dest = *source + (XK_oslash - XK_Ooblique);
- else
- *dest = *source;
- }
- *dest = '\0';
- }
- #endif /* !HAVE_XMU */
-