/* 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;
}

/* Definition of XmuReadBitmapDataFromFile replaced with the code in
 * glyphs-shared.c
 *
 * wmperry Jun 1, 2001
 */

/*
 * 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 */