1/* Copyright    Massachusetts Institute of Technology    1985	*/
2
3#include "copyright.h"
4
5
6/*
7 * XMenu:	MIT Project Athena, X Window system menu package
8 *
9 *	XMenuChangePane - Change the label of a  menu pane.
10 *
11 *	Author:		Tony Della Fera, DEC
12 *			December 19, 1985
13 *
14 */
15
16#include "XMenuInt.h"
17
18int
19XMenuChangePane(menu, p_num, label)
20    register XMenu *menu;	/* Menu object to be modified. */
21    register int p_num;		/* Pane number to be modified. */
22    char *label;		/* Selection label. */
23{
24    register XMPane *p_ptr;	/* XMPane pointer. */
25
26    int label_length;		/* Label length in characters. */
27    int label_width;		/* Label width in pixels. */
28
29    /*
30     * Check for NULL pointers!
31     */
32    if (label == NULL) {
33	_XMErrorCode = XME_ARG_BOUNDS;
34	return(XM_FAILURE);
35    }
36
37    /*
38     * Find the right pane.
39     */
40    p_ptr = _XMGetPanePtr(menu, p_num);
41    if (p_ptr == NULL) return(XM_FAILURE);
42
43    /*
44     * Determine label size.
45     */
46    label_length = strlen(label);
47    label_width = XTextWidth(menu->p_fnt_info, label, label_length);
48
49    /*
50     * Change the pane data.
51     */
52    p_ptr->label = label;
53    p_ptr->label_width = label_width;
54    p_ptr->label_length = label_length;
55
56    /*
57     * Schedule a recompute.
58     */
59    menu->recompute = 1;
60
61    /*
62     * Return the pane number just changed.
63     */
64    _XMErrorCode = XME_NO_ERROR;
65    return(p_num);
66}
67
68/* arch-tag: e267e9de-a3f0-4a0d-8c45-413afa176fd8
69   (do not change this comment) */
70