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/* Copyright Massachusetts Institute of Technology 1985 */
#include "copyright.h"
/*
* XMenu: MIT Project Athena, X Window system menu package
*
* XMenuAddSelection - Adds a selection to an XMenu object.
*
* Author: Tony Della Fera, DEC
* August, 1985
*
*/
#include "XMenuInt.h"
int
XMenuAddSelection(Display *display, register XMenu *menu, register int p_num, char *data, char *label, int active, char const *help)
/* Menu object to be modified. */
/* Pane number to be modified. */
/* Data value. */
/* Selection label. */
/* Make selection active? */
/* Help string */
{
register XMPane *pane; /* Pane containing the new selection. */
register XMSelect *sel; /* Newly created selection. */
int label_length; /* Label length in characters. */
int label_width; /* Label width in pixels. */
/*
* Check for NULL pointers!
*/
if (label == NULL) {
_XMErrorCode = XME_ARG_BOUNDS;
return(XM_FAILURE);
}
/*
* Find the right pane.
*/
pane = _XMGetPanePtr(menu, p_num);
if (pane == NULL) return(XM_FAILURE);
/*
* Calloc the XMSelect structure.
*/
sel = (XMSelect *)calloc(1, sizeof(XMSelect));
if (sel == NULL) {
_XMErrorCode = XME_CALLOC;
return(XM_FAILURE);
}
/*
* Determine label size.
*/
label_length = strlen(label);
label_width = XTextWidth(menu->s_fnt_info, label, label_length);
/*
* Fill the XMSelect structure.
*/
if (!strcmp (label, "--") || !strcmp (label, "---"))
{
sel->type = SEPARATOR;
sel->active = 0;
}
else
{
sel->type = SELECTION;
sel->active = active;
}
sel->serial = -1;
sel->label = label;
sel->label_width = label_width;
sel->label_length = label_length;
sel->data = data;
sel->parent_p = pane;
sel->help_string = help;
/*
* Insert the selection at the end of the selection list.
*/
emacs_insque(sel, pane->s_list->prev);
/*
* Update the selection count.
*/
pane->s_count++;
/*
* Schedule a recompute.
*/
menu->recompute = 1;
/*
* Return the selection number just added.
*/
_XMErrorCode = XME_NO_ERROR;
return((pane->s_count - 1));
}
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