--- /dev/null
+/* 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/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, August 5, 1988.
+ */
+
+
+#define MAX_SIZE 255
+
+/* shared data for the image read/parse logic */
+static short hexTable[256]; /* conversion value */
+static int hex_initialized; /* 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 (void)
+{
+ /*
+ * 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;
+
+ hex_initialized = 1;
+}
+
+/*
+ * read next hex value in the input stream, return -1 if EOF
+ */
+static int NextInt (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 (
+ FILE *fstream, /* handle on file */
+ unsigned int *width, /* RETURNED */
+ unsigned int *height, /* RETURNED */
+ unsigned char **datap, /* RETURNED */
+ int *x_hot, int *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 (!hex_initialized) 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);
+}
+
+
+int XmuReadBitmapDataFromFile (const char *filename,
+ /* Remaining args are RETURNED */
+ unsigned int *width,
+ unsigned int *height,
+ unsigned char **datap,
+ int *x_hot, int *y_hot)
+{
+ 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. Return 1 if the caller should consider exiting, else 0.
+ */
+int XmuPrintDefaultErrorMessage (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);
+ fprintf(fp, "%s: %s\n ", mesg, buffer);
+ XGetErrorDatabaseText(dpy, mtype, "MajorCode", "Request Major code %d",
+ mesg, BUFSIZ);
+ 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';
+ }
+ 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);
+ fprintf(fp, mesg, event->minor_code);
+ if (ext) {
+ sprintf(mesg, "%s.%d", ext->name, event->minor_code);
+ XGetErrorDatabaseText(dpy, "XRequest", mesg, "", buffer, BUFSIZ);
+ 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) {
+ 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);
+ fprintf(fp, mesg, event->resourceid);
+ fputs("\n ", fp);
+ }
+#elif (XtSpecificationRelease == 4)
+ XGetErrorDatabaseText(dpy, mtype, "MinorCode", "Request Minor code %d",
+ mesg, BUFSIZ);
+ 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);
+ fprintf(fp, " (%s)", buffer);
+ }
+ XGetErrorDatabaseText(dpy, mtype, "ResourceID", "ResourceID 0x%x",
+ mesg, BUFSIZ);
+ fprintf(fp, mesg, event->resourceid);
+ fputs("\n ", fp);
+#else
+ERROR! Unsupported release of X11
+#endif
+ XGetErrorDatabaseText(dpy, mtype, "ErrorSerial", "Error Serial #%d",
+ mesg, BUFSIZ);
+ fprintf(fp, mesg, event->serial);
+ fputs("\n ", fp);
+ XGetErrorDatabaseText(dpy, mtype, "CurrentSerial", "Current Serial #%d",
+ mesg, BUFSIZ);
+ 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 (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 = (unsigned char *) dst;
+ unsigned char *source = (unsigned char *) src;
+
+ for ( ; *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 */