mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-12-12 09:28:24 +00:00
120 lines
2.8 KiB
C
120 lines
2.8 KiB
C
/* Copyright Massachusetts Institute of Technology 1985 */
|
|
|
|
#include "copyright.h"
|
|
|
|
|
|
/*
|
|
* XMenu: MIT Project Athena, X Window system menu package
|
|
*
|
|
* XMenuInsertSelection - Inserts a selection into an XMenu object
|
|
*
|
|
* Author: Tony Della Fera, DEC
|
|
* 20-Nov-85
|
|
*
|
|
*/
|
|
|
|
#include <config.h>
|
|
#include "XMenuInt.h"
|
|
|
|
int
|
|
XMenuInsertSelection(menu, p_num, s_num, data, label, active)
|
|
register XMenu *menu; /* Menu object to be modified. */
|
|
register int p_num; /* Pane number to be modified. */
|
|
register int s_num; /* Selection number of new selection. */
|
|
char *data; /* Data value. */
|
|
char *label; /* Selection label. */
|
|
int active; /* Make selection active? */
|
|
{
|
|
register XMPane *p_ptr; /* XMPane pointer. */
|
|
register XMSelect *s_ptr; /* XMSelect pointer. */
|
|
|
|
XMSelect *select; /* 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.
|
|
*/
|
|
p_ptr = _XMGetPanePtr(menu, p_num);
|
|
if (p_ptr == NULL) return(XM_FAILURE);
|
|
|
|
/*
|
|
* Find the selection number one less than the one specified since that
|
|
* is the selection after which the insertion will occur.
|
|
*/
|
|
s_ptr = _XMGetSelectionPtr(p_ptr, (s_num - 1));
|
|
if (s_ptr == 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.
|
|
*/
|
|
if (!strcmp (label, "--") || !strcmp (label, "---"))
|
|
{
|
|
select->type = SEPARATOR;
|
|
select->active = 0;
|
|
}
|
|
else
|
|
{
|
|
select->type = SELECTION;
|
|
select->active = active;
|
|
}
|
|
|
|
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 = p_ptr;
|
|
|
|
/*
|
|
* Insert the selection after the selection with the selection
|
|
* number one less than the desired number for the new selection.
|
|
*/
|
|
emacs_insque(select, s_ptr);
|
|
|
|
/*
|
|
* Update the selection count.
|
|
*/
|
|
p_ptr->s_count++;
|
|
|
|
/*
|
|
* Schedule a recompute.
|
|
*/
|
|
menu->recompute = 1;
|
|
|
|
/*
|
|
* Return the selection number just inserted.
|
|
*/
|
|
_XMErrorCode = XME_NO_ERROR;
|
|
return(s_num);
|
|
}
|
|
|
|
/* arch-tag: 8398626f-81cb-4e13-8ebc-aac1b9237663
|
|
(do not change this comment) */
|