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124 lines
2.8 KiB
C
124 lines
2.8 KiB
C
/* Copyright Massachusetts Institute of Technology 1985 */
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/*
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Copyright 1985, 1986, 1987 by the Massachusetts Institute of Technology
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Permission to use, copy, modify, and distribute this
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software and its documentation for any purpose and without
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fee is hereby granted, provided that the above copyright
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notice appear in all copies and that both that copyright
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notice and this permission notice appear in supporting
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documentation, and that the name of M.I.T. not be used in
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advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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M.I.T. makes no representations about the suitability of
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this software for any purpose. It is provided "as is"
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without express or implied warranty.
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*/
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/*
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* XMenu: MIT Project Athena, X Window system menu package
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*
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* XMenuRecompute - Recompute XMenu object dependencies.
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*
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* Author: Tony Della Fera, DEC
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* September, 1985
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*
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*/
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#include "XMenuInt.h"
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int
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XMenuRecompute(Display *display, register XMenu *menu)
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/* Menu object to be recomputed. */
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{
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register XMPane *p_ptr; /* Pane pointer. */
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register XMSelect *s_ptr; /* Selection pointer. */
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register int p_num; /* Pane serial number. */
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register int s_num; /* Selection serial number. */
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/*
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* If there are no panes in the menu then return failure
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* because the menu is not initialized.
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*/
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if (menu->p_count == 0) {
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_XMErrorCode = XME_NOT_INIT;
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return(XM_FAILURE);
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}
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/*
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* Recompute menu wide global values: pane window size,
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* selection size and maximum selection count.
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*/
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_XMRecomputeGlobals(display, menu);
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/*
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* For each pane in the menu...
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*/
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p_num = 0;
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for (
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p_ptr = menu->p_list->next;
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p_ptr != menu->p_list;
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p_ptr = p_ptr->next
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){
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/*
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* Recompute pane dependencies.
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*/
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if (_XMRecomputePane(display, menu, p_ptr, p_num) == _FAILURE) {
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return(XM_FAILURE);
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}
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p_num++;
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/*
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* For each selection in the pane...
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*/
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s_num = 0;
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for (
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s_ptr = p_ptr->s_list->next;
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s_ptr != p_ptr->s_list;
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s_ptr = s_ptr->next
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) {
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/*
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* Recompute selection dependencies.
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*/
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if (_XMRecomputeSelection(display, menu, s_ptr, s_num) == _FAILURE) {
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return(XM_FAILURE);
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}
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s_num++;
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}
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}
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/*
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* Recompute menu size.
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*/
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if (menu->menu_style == CENTER) {
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menu->width = menu->p_width + (menu->p_bdr_width << 1);
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}
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else {
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menu->width = menu->p_width + (menu->p_bdr_width << 1) +
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((menu->p_count - 1) * menu->p_x_off);
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}
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menu->height = menu->p_height + (menu->p_bdr_width << 1) +
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((menu->p_count - 1) * menu->p_y_off);
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/*
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* Reset the recompute flag.
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*/
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menu->recompute = 0;
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/*
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* Return successfully.
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*/
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_XMErrorCode = XME_NO_ERROR;
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return(XM_SUCCESS);
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}
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