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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, |
4e6835db | 5 | 2006, 2007 Free Software Foundation, Inc. */ |
e745ede7 DL |
6 | |
7 | /* | |
8 | * XMenu: MIT Project Athena, X Window system menu package | |
9 | * | |
10 | * XMenuAddSelection - Adds a selection to an XMenu object. | |
11 | * | |
12 | * Author: Tony Della Fera, DEC | |
13 | * August, 1985 | |
14 | * | |
15 | */ | |
16 | ||
17 | #include <config.h> | |
18 | #include "XMenuInt.h" | |
19 | ||
20 | int | |
f5a719c8 | 21 | XMenuAddSelection(display, menu, p_num, data, label, active, help) |
e745ede7 DL |
22 | Display *display; |
23 | register XMenu *menu; /* Menu object to be modified. */ | |
24 | register int p_num; /* Pane number to be modified. */ | |
25 | char *data; /* Data value. */ | |
26 | char *label; /* Selection label. */ | |
27 | int active; /* Make selection active? */ | |
f5a719c8 | 28 | char *help; /* Help string */ |
e745ede7 DL |
29 | { |
30 | register XMPane *pane; /* Pane containing the new selection. */ | |
31 | register XMSelect *select; /* Newly created selection. */ | |
32 | ||
33 | ||
34 | int label_length; /* Label lenght 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 | * Find the right pane. | |
46 | */ | |
47 | pane = _XMGetPanePtr(menu, p_num); | |
48 | if (pane == NULL) return(XM_FAILURE); | |
49 | ||
50 | /* | |
51 | * Calloc the XMSelect structure. | |
52 | */ | |
53 | select = (XMSelect *)calloc(1, sizeof(XMSelect)); | |
54 | if (select == NULL) { | |
55 | _XMErrorCode = XME_CALLOC; | |
56 | return(XM_FAILURE); | |
57 | } | |
58 | /* | |
59 | * Determine label size. | |
60 | */ | |
61 | label_length = strlen(label); | |
62 | label_width = XTextWidth(menu->s_fnt_info, label, label_length); | |
177c0ea7 | 63 | |
e745ede7 DL |
64 | /* |
65 | * Fill the XMSelect structure. | |
66 | */ | |
67 | if (!strcmp (label, "--") || !strcmp (label, "---")) | |
68 | { | |
69 | select->type = SEPARATOR; | |
70 | select->active = 0; | |
71 | } | |
72 | else | |
73 | { | |
74 | select->type = SELECTION; | |
75 | select->active = active; | |
76 | } | |
77 | ||
78 | select->serial = -1; | |
79 | select->label = label; | |
80 | select->label_width = label_width; | |
81 | select->label_length = label_length; | |
82 | select->data = data; | |
83 | select->parent_p = pane; | |
f5a719c8 | 84 | select->help_string = help; |
177c0ea7 | 85 | |
e745ede7 DL |
86 | /* |
87 | * Insert the selection at the end of the selection list. | |
88 | */ | |
89 | emacs_insque(select, pane->s_list->prev); | |
90 | ||
91 | /* | |
92 | * Update the selection count. | |
93 | */ | |
94 | pane->s_count++; | |
95 | ||
96 | /* | |
97 | * Schedule a recompute. | |
98 | */ | |
99 | menu->recompute = 1; | |
100 | ||
101 | /* | |
102 | * Return the selection number just added. | |
103 | */ | |
104 | _XMErrorCode = XME_NO_ERROR; | |
105 | return((pane->s_count - 1)); | |
106 | } | |
ab5796a9 MB |
107 | |
108 | /* arch-tag: 0161f024-c739-440d-9498-050280c6c355 | |
109 | (do not change this comment) */ |