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1 | #include "copyright.h" |
2 | ||
e745ede7 DL |
3 | /* Copyright Massachusetts Institute of Technology 1985 */ |
4 | ||
5 | /* | |
6 | * XMenu: MIT Project Athena, X Window system menu package | |
7 | * | |
8 | * XMenuAddSelection - Adds a selection to an XMenu object. | |
9 | * | |
10 | * Author: Tony Della Fera, DEC | |
11 | * August, 1985 | |
12 | * | |
13 | */ | |
14 | ||
15 | #include <config.h> | |
16 | #include "XMenuInt.h" | |
17 | ||
18 | int | |
f5a719c8 | 19 | XMenuAddSelection(display, menu, p_num, data, label, active, help) |
e745ede7 DL |
20 | Display *display; |
21 | register XMenu *menu; /* Menu object to be modified. */ | |
22 | register int p_num; /* Pane number to be modified. */ | |
23 | char *data; /* Data value. */ | |
24 | char *label; /* Selection label. */ | |
25 | int active; /* Make selection active? */ | |
f5a719c8 | 26 | char *help; /* Help string */ |
e745ede7 DL |
27 | { |
28 | register XMPane *pane; /* Pane containing the new selection. */ | |
29 | register XMSelect *select; /* Newly created selection. */ | |
30 | ||
31 | ||
32 | int label_length; /* Label lenght in characters. */ | |
33 | int label_width; /* Label width in pixels. */ | |
177c0ea7 | 34 | |
e745ede7 DL |
35 | /* |
36 | * Check for NULL pointers! | |
37 | */ | |
38 | if (label == NULL) { | |
39 | _XMErrorCode = XME_ARG_BOUNDS; | |
40 | return(XM_FAILURE); | |
41 | } | |
42 | /* | |
43 | * Find the right pane. | |
44 | */ | |
45 | pane = _XMGetPanePtr(menu, p_num); | |
46 | if (pane == NULL) return(XM_FAILURE); | |
47 | ||
48 | /* | |
49 | * Calloc the XMSelect structure. | |
50 | */ | |
51 | select = (XMSelect *)calloc(1, sizeof(XMSelect)); | |
52 | if (select == NULL) { | |
53 | _XMErrorCode = XME_CALLOC; | |
54 | return(XM_FAILURE); | |
55 | } | |
56 | /* | |
57 | * Determine label size. | |
58 | */ | |
59 | label_length = strlen(label); | |
60 | label_width = XTextWidth(menu->s_fnt_info, label, label_length); | |
177c0ea7 | 61 | |
e745ede7 DL |
62 | /* |
63 | * Fill the XMSelect structure. | |
64 | */ | |
65 | if (!strcmp (label, "--") || !strcmp (label, "---")) | |
66 | { | |
67 | select->type = SEPARATOR; | |
68 | select->active = 0; | |
69 | } | |
70 | else | |
71 | { | |
72 | select->type = SELECTION; | |
73 | select->active = active; | |
74 | } | |
75 | ||
76 | select->serial = -1; | |
77 | select->label = label; | |
78 | select->label_width = label_width; | |
79 | select->label_length = label_length; | |
80 | select->data = data; | |
81 | select->parent_p = pane; | |
f5a719c8 | 82 | select->help_string = help; |
177c0ea7 | 83 | |
e745ede7 DL |
84 | /* |
85 | * Insert the selection at the end of the selection list. | |
86 | */ | |
87 | emacs_insque(select, pane->s_list->prev); | |
88 | ||
89 | /* | |
90 | * Update the selection count. | |
91 | */ | |
92 | pane->s_count++; | |
93 | ||
94 | /* | |
95 | * Schedule a recompute. | |
96 | */ | |
97 | menu->recompute = 1; | |
98 | ||
99 | /* | |
100 | * Return the selection number just added. | |
101 | */ | |
102 | _XMErrorCode = XME_NO_ERROR; | |
103 | return((pane->s_count - 1)); | |
104 | } | |
6b61353c KH |
105 | |
106 | /* arch-tag: 0161f024-c739-440d-9498-050280c6c355 | |
107 | (do not change this comment) */ |