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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 | * XMenuInsertPane - Inserts a pane into an XMenu object in | |
11 | * a particular position. | |
12 | * | |
13 | * Author: Tony Della Fera, DEC | |
14 | * 20-Nov-85 | |
15 | * | |
16 | */ | |
17 | ||
18 | #include <config.h> | |
19 | #include "XMenuInt.h" | |
20 | ||
21 | int | |
22 | XMenuInsertPane(menu, p_num, label, active) | |
23 | register XMenu *menu; /* Menu object to be modified. */ | |
24 | register int p_num; /* Pane number of new pane. */ | |
25 | char *label; /* Selection label. */ | |
26 | int active; /* Make selection active? */ | |
27 | { | |
28 | register XMPane *p_ptr; /* XMPane pointer. */ | |
29 | register XMPane *pane; /* Newly created pane. */ | |
30 | register XMSelect *select; /* Initial selection for the new pane. */ | |
177c0ea7 | 31 | |
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32 | int label_length; /* Label length in characters. */ |
33 | int label_width; /* Label width in pixels. */ | |
34 | ||
35 | /* | |
36 | * Check for NULL pointers! | |
37 | */ | |
38 | if (label == NULL) { | |
39 | _XMErrorCode = XME_ARG_BOUNDS; | |
40 | return(XM_FAILURE); | |
41 | } | |
42 | ||
43 | /* | |
44 | * Find the pane number one less than the one specified since that | |
45 | * is the pane after which the insertion will occur. | |
46 | */ | |
47 | p_ptr = _XMGetPanePtr(menu, (p_num - 1)); | |
48 | if (p_ptr == NULL) return(XM_FAILURE); | |
49 | ||
50 | /* | |
51 | * Calloc the XMPane structure and the initial XMSelect. | |
52 | */ | |
53 | pane = (XMPane *)calloc(1, sizeof(XMPane)); | |
54 | if (pane == NULL) { | |
55 | _XMErrorCode = XME_CALLOC; | |
56 | return(XM_FAILURE); | |
57 | } | |
58 | select = (XMSelect *)calloc(1, sizeof(XMSelect)); | |
59 | if (select == NULL) { | |
60 | _XMErrorCode = XME_CALLOC; | |
61 | return(XM_FAILURE); | |
62 | } | |
63 | ||
64 | /* | |
65 | * Determine label size. | |
66 | */ | |
67 | label_length = strlen(label); | |
68 | label_width = XTextWidth(menu->p_fnt_info, label, label_length); | |
69 | ||
70 | /* | |
71 | * Set up the initial selection. | |
72 | * Values not explicitly set are zeroed by calloc. | |
73 | */ | |
74 | select->next = select; | |
75 | select->prev = select; | |
76 | select->type = SL_HEADER; | |
77 | select->serial = -1; | |
78 | select->parent_p = pane; | |
79 | ||
80 | /* | |
81 | * Fill the XMPane structure. | |
82 | */ | |
83 | pane->type = PANE; | |
84 | pane->active = active; | |
85 | pane->serial = -1; | |
86 | pane->label = label; | |
87 | pane->label_width = label_width; | |
88 | pane->label_length = label_length; | |
89 | pane->s_list = select; | |
90 | ||
91 | /* | |
92 | * Insert the pane after the pane with the pane | |
93 | * number one less than the desired number for the | |
94 | * new pane. | |
95 | */ | |
96 | emacs_insque(pane, p_ptr); | |
97 | ||
98 | /* | |
177c0ea7 | 99 | * Update the pane count. |
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100 | */ |
101 | menu->p_count++; | |
102 | ||
103 | /* | |
104 | * Schedule a recompute. | |
105 | */ | |
106 | menu->recompute = 1; | |
107 | ||
108 | /* | |
109 | * Return the number of the pane just added. | |
110 | */ | |
111 | _XMErrorCode = XME_NO_ERROR; | |
112 | return(p_num); | |
113 | } | |
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114 | |
115 | /* arch-tag: ab94d53d-f05b-4273-82d3-f1b01eb9dc9e | |
116 | (do not change this comment) */ |