oldXMenu/Recomp.c

   1 #include "copyright.h"
   2
   3 /* Copyright    Massachusetts Institute of Technology    1985   */
   4
   5 /*
   6  * XMenu:       MIT Project Athena, X Window system menu package
   7  *
   8  *      XMenuRecompute - Recompute XMenu object dependencies.
   9  *
  10  *      Author:         Tony Della Fera, DEC
  11  *                      September, 1985
  12  *
  13  */
  14
  15 #include "XMenuInt.h"
  16
  17 int
  18 XMenuRecompute(display, menu)
  19     Display *display;
  20     register XMenu *menu;       /* Menu object to be recomputed. */
  21 {
  22     register XMPane *p_ptr;     /* Pane pointer. */
  23     register XMSelect *s_ptr;   /* Selection pointer. */
  24
  25     register int p_num;         /* Pane serial number. */
  26     register int s_num;         /* Selection serial number. */
  27
  28     /*
  29      * If there are no panes in the menu then return failure
  30      * because the menu is not initialized.
  31      */
  32     if (menu->p_count == 0) {
  33         _XMErrorCode = XME_NOT_INIT;
  34         return(XM_FAILURE);
  35     }
  36
  37     /*
  38      * Recompute menu wide global values: pane window size,
  39      * selection size and maximum selection count.
  40      */
  41     _XMRecomputeGlobals(display, menu);
  42
  43     /*
  44      * For each pane in the menu...
  45      */
  46
  47     p_num = 0;
  48     for (
  49         p_ptr = menu->p_list->next;
  50         p_ptr != menu->p_list;
  51         p_ptr = p_ptr->next
  52     ){
  53         /*
  54          * Recompute pane dependencies.
  55          */
  56         if (_XMRecomputePane(display, menu, p_ptr, p_num) == _FAILURE) {
  57             return(XM_FAILURE);
  58         }
  59         p_num++;
  60
  61         /*
  62          * For each selection in the pane...
  63          */
  64         s_num = 0;
  65         for (
  66             s_ptr = p_ptr->s_list->next;
  67             s_ptr != p_ptr->s_list;
  68             s_ptr = s_ptr->next
  69         ) {
  70             /*
  71              * Recompute selection dependencies.
  72              */
  73             if (_XMRecomputeSelection(display, menu, s_ptr, s_num) == _FAILURE) {
  74                 return(XM_FAILURE);
  75             }
  76             s_num++;
  77         }
  78     }
  79
  80     /*
  81      * Recompute menu size.
  82      */
  83     if (menu->menu_style == CENTER) {
  84         menu->width = menu->p_width + (menu->p_bdr_width << 1);
  85     }
  86     else {
  87         menu->width = menu->p_width + (menu->p_bdr_width << 1) +
  88             ((menu->p_count - 1) * menu->p_x_off);
  89     }
  90     menu->height = menu->p_height + (menu->p_bdr_width << 1) +
  91         ((menu->p_count - 1) * menu->p_y_off);
  92
  93     /*
  94      * Reset the recompute flag.
  95      */
  96     menu->recompute = 0;
  97
  98     /*
  99      * Return successfully.
 100      */
 101     _XMErrorCode = XME_NO_ERROR;
 102     return(XM_SUCCESS);
 103 }
 104
 105 /* arch-tag: 1fe99b82-3873-4aab-b2b3-f277c93e00d9
 106    (do not change this comment) */