oldXMenu/FindSel.c

   1 /* Copyright    Massachusetts Institute of Technology    1985   */
   2
   3 #include "copyright.h"
   4
   5 /*
   6 Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
   7   2009  Free Software Foundation, Inc.
   8
   9 This program is free software: you can redistribute it and/or modify
  10 it under the terms of the GNU General Public License as published by
  11 the Free Software Foundation, either version 3 of the License, or
  12 (at your option) any later version.
  13
  14 This program is distributed in the hope that it will be useful,
  15 but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 GNU General Public License for more details.
  18
  19 You should have received a copy of the GNU General Public License
  20 along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21 */
  22
  23 /*
  24  * XMenu:       MIT Project Athena, X Window system menu package
  25  *
  26  *      XMenuFindSelection - Find the first selection in a pane who's
  27  *                           label matches a particular string.
  28  *
  29  *      Author:         Tony Della Fera, DEC
  30  *                      January 22, 1986
  31  *
  32  */
  33
  34 #include "XMenuInt.h"
  35
  36 int
  37 XMenuFindSelection(menu, p_num, label)
  38     register XMenu *menu;
  39     int p_num;
  40     register char *label;
  41 {
  42     register XMPane *p_ptr;
  43     register XMSelect *s_ptr;
  44     register int i = 0;
  45
  46     /*
  47      * Check for NULL pointers!
  48      */
  49     if (label == NULL) {
  50         _XMErrorCode = XME_ARG_BOUNDS;
  51         return(XM_FAILURE);
  52     }
  53
  54     /*
  55      * Find the right pane.
  56      */
  57     p_ptr = _XMGetPanePtr(menu, p_num);
  58     if (p_ptr == NULL) return(XM_FAILURE);
  59
  60     /*
  61      * Find the right selection.
  62      */
  63     for (
  64         s_ptr = p_ptr->s_list->next;
  65         s_ptr != p_ptr->s_list;
  66         s_ptr = s_ptr->next
  67     ){
  68         if (s_ptr->label_length == 0) {
  69             if (*label == '\0') {
  70                 _XMErrorCode = XME_NO_ERROR;
  71                 return (i);
  72             }
  73         }
  74         else {
  75             if (strncmp (label, s_ptr->label, s_ptr->label_length) == 0) {
  76                 _XMErrorCode = XME_NO_ERROR;
  77                 return (i);
  78             }
  79         }
  80         i++;
  81     }
  82
  83     /*
  84      * If we get here then we have not found
  85      * a match.
  86      */
  87     _XMErrorCode = XME_S_NOT_FOUND;
  88     return (XM_FAILURE);
  89 }
  90
  91 /* arch-tag: 564a4a95-9ab0-4580-b05f-6970c4b25dd4
  92    (do not change this comment) */