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/* Copyright Massachusetts Institute of Technology 1985 */
#include "copyright.h"
/*
* XMenu: MIT Project Athena, X Window system menu package
*
* XMenuRecompute - Recompute XMenu object dependencies.
*
* Author: Tony Della Fera, DEC
* September, 1985
*
*/
#include "XMenuInt.h"
int
XMenuRecompute(Display *display, register XMenu *menu)
/* Menu object to be recomputed. */
{
register XMPane *p_ptr; /* Pane pointer. */
register XMSelect *s_ptr; /* Selection pointer. */
register int p_num; /* Pane serial number. */
register int s_num; /* Selection serial number. */
/*
* If there are no panes in the menu then return failure
* because the menu is not initialized.
*/
if (menu->p_count == 0) {
_XMErrorCode = XME_NOT_INIT;
return(XM_FAILURE);
}
/*
* Recompute menu wide global values: pane window size,
* selection size and maximum selection count.
*/
_XMRecomputeGlobals(display, menu);
/*
* For each pane in the menu...
*/
p_num = 0;
for (
p_ptr = menu->p_list->next;
p_ptr != menu->p_list;
p_ptr = p_ptr->next
){
/*
* Recompute pane dependencies.
*/
if (_XMRecomputePane(display, menu, p_ptr, p_num) == _FAILURE) {
return(XM_FAILURE);
}
p_num++;
/*
* For each selection in the pane...
*/
s_num = 0;
for (
s_ptr = p_ptr->s_list->next;
s_ptr != p_ptr->s_list;
s_ptr = s_ptr->next
) {
/*
* Recompute selection dependencies.
*/
if (_XMRecomputeSelection(display, menu, s_ptr, s_num) == _FAILURE) {
return(XM_FAILURE);
}
s_num++;
}
}
/*
* Recompute menu size.
*/
if (menu->menu_style == CENTER) {
menu->width = menu->p_width + (menu->p_bdr_width << 1);
}
else {
menu->width = menu->p_width + (menu->p_bdr_width << 1) +
((menu->p_count - 1) * menu->p_x_off);
}
menu->height = menu->p_height + (menu->p_bdr_width << 1) +
((menu->p_count - 1) * menu->p_y_off);
/*
* Reset the recompute flag.
*/
menu->recompute = 0;
/*
* Return successfully.
*/
_XMErrorCode = XME_NO_ERROR;
return(XM_SUCCESS);
}
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