aboutsummaryrefslogtreecommitdiffstats
path: root/oldXMenu/AddPane.c
diff options
context:
space:
mode:
authorDave Love1999-10-03 19:36:13 +0000
committerDave Love1999-10-03 19:36:13 +0000
commite745ede7473e87b93d71858bc1c8447a1307de28 (patch)
tree59353dca94fcb3a9ce2fd9f79614a3119da7f863 /oldXMenu/AddPane.c
parent0c898dd963a3277b5ec8d59f0a350e3fb50e50c3 (diff)
downloademacs-e745ede7473e87b93d71858bc1c8447a1307de28.tar.gz
emacs-e745ede7473e87b93d71858bc1c8447a1307de28.zip
#
Diffstat (limited to 'oldXMenu/AddPane.c')
-rw-r--r--oldXMenu/AddPane.c104
1 files changed, 104 insertions, 0 deletions
diff --git a/oldXMenu/AddPane.c b/oldXMenu/AddPane.c
new file mode 100644
index 00000000000..739cdfe43e8
--- /dev/null
+++ b/oldXMenu/AddPane.c
@@ -0,0 +1,104 @@
1#include "copyright.h"
2
3/* $Header: /u/src/emacs/19.0/oldXMenu/RCS/AddPane.c,v 1.1 1992/04/11 22:10:17 jimb Exp $ */
4/* Copyright Massachusetts Institute of Technology 1985 */
5
6/*
7 * XMenu: MIT Project Athena, X Window system menu package
8 *
9 * XMenuAddPane - Adds a pane to an XMenu object.
10 *
11 * Author: Tony Della Fera, DEC
12 * August, 1985
13 *
14 */
15
16#include <config.h>
17#include "XMenuInt.h"
18
19int
20XMenuAddPane(display, menu, label, active)
21 Display *display;
22 register XMenu *menu; /* Menu object to be modified. */
23 register char *label; /* Selection label. */
24 int active; /* Make selection active? */
25{
26 register XMPane *pane; /* Newly created pane. */
27 register XMSelect *select; /* Initial selection for the new pane. */
28
29 int label_length; /* Label length in characters. */
30 int label_width; /* Label width in pixels. */
31
32 /*
33 * Check for NULL pointers!
34 */
35 if (label == NULL) {
36 _XMErrorCode = XME_ARG_BOUNDS;
37 return(XM_FAILURE);
38 }
39
40 /*
41 * Calloc the XMPane structure and the initial XMSelect.
42 */
43 pane = (XMPane *)calloc(1, sizeof(XMPane));
44 if (pane == NULL) {
45 _XMErrorCode = XME_CALLOC;
46 return(XM_FAILURE);
47 }
48 select = (XMSelect *)calloc(1, sizeof(XMSelect));
49 if (select == NULL) {
50 _XMErrorCode = XME_CALLOC;
51 return(XM_FAILURE);
52 }
53
54 /*
55 * Determine label size.
56 */
57 label_length = strlen(label);
58 label_width = XTextWidth(menu->p_fnt_info,
59 label,
60 label_length);
61
62 /*
63 * Set up the initial selection.
64 * Values not explicitly set are zeroed by calloc.
65 */
66 select->next = select;
67 select->prev = select;
68 select->type = SL_HEADER;
69 select->serial = -1;
70 select->parent_p = pane;
71
72 /*
73 * Fill the XMPane structure.
74 * X and Y position are set to 0 since a recompute will follow.
75 */
76 pane->type = PANE;
77 pane->active = active;
78 pane->serial = -1;
79 pane->label = label;
80 pane->label_width = label_width;
81 pane->label_length = label_length;
82 pane->s_list = select;
83
84 /*
85 * Insert the pane at the end of the pane list.
86 */
87 emacs_insque(pane, menu->p_list->prev);
88
89 /*
90 * Update the pane count.
91 */
92 menu->p_count++;
93
94 /*
95 * Schedule a recompute.
96 */
97 menu->recompute = 1;
98
99 /*
100 * Return the pane number just added.
101 */
102 _XMErrorCode = XME_NO_ERROR;
103 return((menu->p_count - 1));
104}