mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-11-24 07:20:37 +00:00
105 lines
2.4 KiB
C
105 lines
2.4 KiB
C
#include "copyright.h"
|
|
|
|
/* $Header: /u/src/emacs/19.0/oldXMenu/RCS/AddPane.c,v 1.1 1992/04/11 22:10:17 jimb Exp $ */
|
|
/* Copyright Massachusetts Institute of Technology 1985 */
|
|
|
|
/*
|
|
* XMenu: MIT Project Athena, X Window system menu package
|
|
*
|
|
* XMenuAddPane - Adds a pane to an XMenu object.
|
|
*
|
|
* Author: Tony Della Fera, DEC
|
|
* August, 1985
|
|
*
|
|
*/
|
|
|
|
#include <config.h>
|
|
#include "XMenuInt.h"
|
|
|
|
int
|
|
XMenuAddPane(display, menu, label, active)
|
|
Display *display;
|
|
register XMenu *menu; /* Menu object to be modified. */
|
|
register char *label; /* Selection label. */
|
|
int active; /* Make selection active? */
|
|
{
|
|
register XMPane *pane; /* Newly created pane. */
|
|
register XMSelect *select; /* Initial selection for the new pane. */
|
|
|
|
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);
|
|
}
|
|
|
|
/*
|
|
* Calloc the XMPane structure and the initial XMSelect.
|
|
*/
|
|
pane = (XMPane *)calloc(1, sizeof(XMPane));
|
|
if (pane == NULL) {
|
|
_XMErrorCode = XME_CALLOC;
|
|
return(XM_FAILURE);
|
|
}
|
|
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->p_fnt_info,
|
|
label,
|
|
label_length);
|
|
|
|
/*
|
|
* Set up the initial selection.
|
|
* Values not explicitly set are zeroed by calloc.
|
|
*/
|
|
select->next = select;
|
|
select->prev = select;
|
|
select->type = SL_HEADER;
|
|
select->serial = -1;
|
|
select->parent_p = pane;
|
|
|
|
/*
|
|
* Fill the XMPane structure.
|
|
* X and Y position are set to 0 since a recompute will follow.
|
|
*/
|
|
pane->type = PANE;
|
|
pane->active = active;
|
|
pane->serial = -1;
|
|
pane->label = label;
|
|
pane->label_width = label_width;
|
|
pane->label_length = label_length;
|
|
pane->s_list = select;
|
|
|
|
/*
|
|
* Insert the pane at the end of the pane list.
|
|
*/
|
|
emacs_insque(pane, menu->p_list->prev);
|
|
|
|
/*
|
|
* Update the pane count.
|
|
*/
|
|
menu->p_count++;
|
|
|
|
/*
|
|
* Schedule a recompute.
|
|
*/
|
|
menu->recompute = 1;
|
|
|
|
/*
|
|
* Return the pane number just added.
|
|
*/
|
|
_XMErrorCode = XME_NO_ERROR;
|
|
return((menu->p_count - 1));
|
|
}
|