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1 | #include "copyright.h" |
2 | ||
e745ede7 | 3 | /* Copyright Massachusetts Institute of Technology 1985 */ |
61e1e4e8 | 4 | /* Copyright (C) 2001, 2002, 2003, 2004, 2005, |
5b0d63bc | 5 | 2006 Free Software Foundation, Inc. */ |
e745ede7 DL |
6 | |
7 | /* | |
8 | * XMenu: MIT Project Athena, X Window system menu package | |
9 | * | |
10 | * XMenuInsertSelection - Inserts a selection into an XMenu object | |
11 | * | |
12 | * Author: Tony Della Fera, DEC | |
13 | * 20-Nov-85 | |
14 | * | |
15 | */ | |
16 | ||
17 | #include <config.h> | |
18 | #include "XMenuInt.h" | |
19 | ||
20 | int | |
21 | XMenuInsertSelection(menu, p_num, s_num, data, label, active) | |
22 | register XMenu *menu; /* Menu object to be modified. */ | |
23 | register int p_num; /* Pane number to be modified. */ | |
24 | register int s_num; /* Selection number of new selection. */ | |
25 | char *data; /* Data value. */ | |
26 | char *label; /* Selection label. */ | |
27 | int active; /* Make selection active? */ | |
28 | { | |
29 | register XMPane *p_ptr; /* XMPane pointer. */ | |
30 | register XMSelect *s_ptr; /* XMSelect pointer. */ | |
31 | ||
32 | XMSelect *select; /* Newly created selection. */ | |
33 | ||
34 | int label_length; /* Label length in characters. */ | |
35 | int label_width; /* Label width in pixels. */ | |
177c0ea7 | 36 | |
e745ede7 DL |
37 | /* |
38 | * Check for NULL pointers! | |
39 | */ | |
40 | if (label == NULL) { | |
41 | _XMErrorCode = XME_ARG_BOUNDS; | |
42 | return(XM_FAILURE); | |
43 | } | |
44 | ||
45 | /* | |
46 | * Find the right pane. | |
47 | */ | |
48 | p_ptr = _XMGetPanePtr(menu, p_num); | |
49 | if (p_ptr == NULL) return(XM_FAILURE); | |
50 | ||
51 | /* | |
52 | * Find the selection number one less than the one specified since that | |
53 | * is the selection after which the insertion will occur. | |
54 | */ | |
55 | s_ptr = _XMGetSelectionPtr(p_ptr, (s_num - 1)); | |
56 | if (s_ptr == NULL) return(XM_FAILURE); | |
57 | ||
58 | /* | |
59 | * Calloc the XMSelect structure. | |
60 | */ | |
61 | select = (XMSelect *)calloc(1, sizeof(XMSelect)); | |
62 | if (select == NULL) { | |
63 | _XMErrorCode = XME_CALLOC; | |
64 | return(XM_FAILURE); | |
65 | } | |
66 | ||
67 | /* | |
68 | * Determine label size. | |
69 | */ | |
70 | label_length = strlen(label); | |
71 | label_width = XTextWidth(menu->s_fnt_info, label, label_length); | |
72 | ||
73 | ||
74 | /* | |
75 | * Fill the XMSelect structure. | |
76 | */ | |
77 | if (!strcmp (label, "--") || !strcmp (label, "---")) | |
78 | { | |
79 | select->type = SEPARATOR; | |
80 | select->active = 0; | |
81 | } | |
82 | else | |
83 | { | |
84 | select->type = SELECTION; | |
85 | select->active = active; | |
86 | } | |
87 | ||
88 | select->active = active; | |
89 | select->serial = -1; | |
90 | select->label = label; | |
91 | select->label_width = label_width; | |
92 | select->label_length = label_length; | |
93 | select->data = data; | |
94 | select->parent_p = p_ptr; | |
95 | ||
96 | /* | |
97 | * Insert the selection after the selection with the selection | |
98 | * number one less than the desired number for the new selection. | |
99 | */ | |
100 | emacs_insque(select, s_ptr); | |
101 | ||
102 | /* | |
103 | * Update the selection count. | |
104 | */ | |
105 | p_ptr->s_count++; | |
106 | ||
107 | /* | |
108 | * Schedule a recompute. | |
109 | */ | |
110 | menu->recompute = 1; | |
111 | ||
112 | /* | |
113 | * Return the selection number just inserted. | |
114 | */ | |
115 | _XMErrorCode = XME_NO_ERROR; | |
116 | return(s_num); | |
117 | } | |
ab5796a9 MB |
118 | |
119 | /* arch-tag: 8398626f-81cb-4e13-8ebc-aac1b9237663 | |
120 | (do not change this comment) */ |