home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Aminet 4
/
Aminet 4 - November 1994.iso
/
aminet
/
util
/
gnu
/
emacs_src.lha
/
src
/
amiga
/
emacs-18.59
/
emacs-18.59-amiga
/
oldXMenu
/
AddSel.c
< prev
next >
Wrap
C/C++ Source or Header
|
1991-11-16
|
2KB
|
94 lines
#include "copyright.h"
/* $Header: AddSel.c,v 1.4 87/12/20 12:04:00 rws Exp $ */
/* Copyright Massachusetts Institute of Technology 1985 */
/*
* 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, menu, p_num, data, label, active)
Display *display;
register XMenu *menu; /* Menu object to be modified. */
register int p_num; /* Pane number to be modified. */
char *data; /* Data value. */
char *label; /* Selection label. */
int active; /* Make selection active? */
{
register XMPane *pane; /* Pane containing the new selection. */
register XMSelect *select; /* Newly created selection. */
int label_length; /* Label lenght 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.
*/
select = (XMSelect *)calloc(1, sizeof(XMSelect));
if (select == 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.
*/
select->type = SELECTION;
select->active = active;
select->serial = -1;
select->label = label;
select->label_width = label_width;
select->label_length = label_length;
select->data = data;
select->parent_p = pane;
/*
* Insert the selection at the end of the selection list.
*/
insque(select, 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));
}