root/branches/2.1/oldXMenu/FindSel.c

#include "copyright.h"

/* $Header: /cvsroot/emacs/emacs/oldXMenu/FindSel.c,v 1.1 1999/10/03 19:35:03 fx Exp $ */
/* Copyright    Massachusetts Institute of Technology    1985   */

/*
 * XMenu:       MIT Project Athena, X Window system menu package
 *
 *      XMenuFindSelection - Find the first selection in a pane who's
 *                           label matches a particular string.
 *
 *      Author:         Tony Della Fera, DEC
 *                      January 22, 1986
 *
 */

#include "XMenuInt.h"

int
XMenuFindSelection(menu, p_num, label)
    register XMenu *menu;
    int p_num;
    register char *label;
{
    register XMPane *p_ptr;
    register XMSelect *s_ptr;
    register int i = 0;

    /*
     * Check for NULL pointers!
     */
    if (label == NULL) {
        _XMErrorCode = XME_ARG_BOUNDS;
        return(XM_FAILURE);
    }

    /*
     * Find the right pane.
     */
    p_ptr = _XMGetPanePtr(menu, p_num);
    if (p_ptr == NULL) return(XM_FAILURE);

    /*
     * Find the right selection.
     */
    for (
        s_ptr = p_ptr->s_list->next;
        s_ptr != p_ptr->s_list;
        s_ptr = s_ptr->next
    ){
        if (s_ptr->label_length == 0) {
            if (*label == '\0') {
                _XMErrorCode = XME_NO_ERROR;
                return (i);
            }
        }
        else {
            if (strncmp (label, s_ptr->label, s_ptr->label_length) == 0) {
                _XMErrorCode = XME_NO_ERROR;
                return (i);
            }
        }
        i++;
    }

    /*
     * If we get here then we have not found
     * a match.
     */
    _XMErrorCode = XME_S_NOT_FOUND;
    return (XM_FAILURE);
}