mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-11-25 07:28:20 +00:00
108 lines
2.7 KiB
C
108 lines
2.7 KiB
C
/* Copyright Massachusetts Institute of Technology 1985 */
|
|
|
|
/*
|
|
|
|
Copyright 1985, 1986, 1987 by the Massachusetts Institute of Technology
|
|
|
|
Permission to use, copy, modify, and distribute this
|
|
software and its documentation for any purpose and without
|
|
fee is hereby granted, provided that the above copyright
|
|
notice appear in all copies and that both that copyright
|
|
notice and this permission notice appear in supporting
|
|
documentation, and that the name of M.I.T. not be used in
|
|
advertising or publicity pertaining to distribution of the
|
|
software without specific, written prior permission.
|
|
M.I.T. makes no representations about the suitability of
|
|
this software for any purpose. It is provided "as is"
|
|
without express or implied warranty.
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
/*
|
|
* XMenu: MIT Project Athena, X Window system menu package
|
|
*
|
|
* XMenuChangeSelection - Change a menu selection.
|
|
*
|
|
* Author: Tony Della Fera, DEC
|
|
* December 19, 1985
|
|
*
|
|
*/
|
|
|
|
#include "XMenuInt.h"
|
|
#include <string.h>
|
|
|
|
int
|
|
XMenuChangeSelection(Display *display, register XMenu *menu, register int p_num, register int s_num, char *data, int data_sw, char *label, int label_sw)
|
|
/* previously opened display. */
|
|
/* Menu object to be modified. */
|
|
/* Pane number to be modified. */
|
|
/* Selection number to modified. */
|
|
/* Data value. */
|
|
/* Change to new data value? */
|
|
/* Selection label. */
|
|
/* Change to new label? */
|
|
{
|
|
register XMPane *p_ptr; /* XMPane pointer. */
|
|
register XMSelect *s_ptr; /* XMSelect pointer. */
|
|
|
|
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.
|
|
*/
|
|
p_ptr = _XMGetPanePtr(menu, p_num);
|
|
if (p_ptr == NULL) return(XM_FAILURE);
|
|
|
|
/*
|
|
* Find the right selection.
|
|
*/
|
|
s_ptr = _XMGetSelectionPtr(p_ptr, s_num);
|
|
if (s_ptr == NULL) return(XM_FAILURE);
|
|
|
|
/*
|
|
* Reset the label?
|
|
*/
|
|
if (label_sw) {
|
|
/*
|
|
* Determine label size.
|
|
*/
|
|
label_length = strlen(label);
|
|
label_width = XTextWidth(menu->s_fnt_info, label, label_length);
|
|
|
|
/*
|
|
* Change the selection data.
|
|
*/
|
|
s_ptr->label = label;
|
|
s_ptr->label_width = label_width;
|
|
s_ptr->label_length = label_length;
|
|
|
|
/*
|
|
* Schedule a recompute.
|
|
*/
|
|
menu->recompute = 1;
|
|
}
|
|
|
|
/*
|
|
* Reset the data?
|
|
*/
|
|
if (data_sw) s_ptr->data = data;
|
|
|
|
/*
|
|
* Return successfully.
|
|
*/
|
|
_XMErrorCode = XME_NO_ERROR;
|
|
return(s_num);
|
|
}
|