#include /* $Header: XMenuRecomp.c,v 10.7 86/02/01 16:15:31 tony Rel $ */ /* Copyright Massachusetts Institute of Technology 1985 */ /* * XMenu: MIT Project Athena, X Window system menu package * * XMenuRecompute - Recompute XMenu object dependencies. * * Author: Tony Della Fera, DEC * September, 1985 * */ #include "XMenuInternal.h" int XMenuRecompute(menu) 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 no recompute is necessary, return. */ if (!menu->recompute) { _XMErrorCode = XME_NO_ERROR; return(XM_SUCCESS); } /* * If there are no panes in the menu then return failure * beacuse 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(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(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(menu, s_ptr, s_num) == _FAILURE) { return(XM_FAILURE); } s_num++; } } /* * Flush the window creation queue. * This batches all window creates since lazy evaluation * is more efficient than individual evaluation. * This routine also does an XFlush(). */ if (_XMWinQueFlush(menu) == _FAILURE) return(XM_FAILURE); /* * Make sure all selection windows are mapped. */ for ( p_ptr = menu->p_list->next; p_ptr != menu->p_list; p_ptr = p_ptr->next ){ XMapSubwindows(p_ptr->window); } /* * 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); }