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1 | /* Copyright Massachusetts Institute of Technology 1985 */ |
2 | ||
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3 | #include "copyright.h" |
4 | ||
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5 | |
6 | /* | |
7 | * XMenu: MIT Project Athena, X Window system menu package | |
8 | * | |
9 | * XMenuRecompute - Recompute XMenu object dependencies. | |
10 | * | |
11 | * Author: Tony Della Fera, DEC | |
12 | * September, 1985 | |
13 | * | |
14 | */ | |
15 | ||
16 | #include "XMenuInt.h" | |
17 | ||
18 | int | |
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19 | XMenuRecompute(Display *display, register XMenu *menu) |
20 | ||
21 | /* Menu object to be recomputed. */ | |
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22 | { |
23 | register XMPane *p_ptr; /* Pane pointer. */ | |
24 | register XMSelect *s_ptr; /* Selection pointer. */ | |
25 | ||
26 | register int p_num; /* Pane serial number. */ | |
27 | register int s_num; /* Selection serial number. */ | |
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29 | /* |
30 | * If there are no panes in the menu then return failure | |
31 | * because the menu is not initialized. | |
32 | */ | |
33 | if (menu->p_count == 0) { | |
34 | _XMErrorCode = XME_NOT_INIT; | |
35 | return(XM_FAILURE); | |
36 | } | |
37 | ||
38 | /* | |
39 | * Recompute menu wide global values: pane window size, | |
40 | * selection size and maximum selection count. | |
41 | */ | |
42 | _XMRecomputeGlobals(display, menu); | |
43 | ||
44 | /* | |
45 | * For each pane in the menu... | |
46 | */ | |
177c0ea7 | 47 | |
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48 | p_num = 0; |
49 | for ( | |
50 | p_ptr = menu->p_list->next; | |
51 | p_ptr != menu->p_list; | |
52 | p_ptr = p_ptr->next | |
53 | ){ | |
54 | /* | |
55 | * Recompute pane dependencies. | |
56 | */ | |
57 | if (_XMRecomputePane(display, menu, p_ptr, p_num) == _FAILURE) { | |
58 | return(XM_FAILURE); | |
59 | } | |
60 | p_num++; | |
177c0ea7 | 61 | |
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62 | /* |
63 | * For each selection in the pane... | |
64 | */ | |
65 | s_num = 0; | |
66 | for ( | |
67 | s_ptr = p_ptr->s_list->next; | |
68 | s_ptr != p_ptr->s_list; | |
69 | s_ptr = s_ptr->next | |
70 | ) { | |
71 | /* | |
72 | * Recompute selection dependencies. | |
73 | */ | |
74 | if (_XMRecomputeSelection(display, menu, s_ptr, s_num) == _FAILURE) { | |
75 | return(XM_FAILURE); | |
76 | } | |
77 | s_num++; | |
78 | } | |
79 | } | |
80 | ||
81 | /* | |
82 | * Recompute menu size. | |
83 | */ | |
84 | if (menu->menu_style == CENTER) { | |
85 | menu->width = menu->p_width + (menu->p_bdr_width << 1); | |
86 | } | |
87 | else { | |
88 | menu->width = menu->p_width + (menu->p_bdr_width << 1) + | |
89 | ((menu->p_count - 1) * menu->p_x_off); | |
90 | } | |
91 | menu->height = menu->p_height + (menu->p_bdr_width << 1) + | |
92 | ((menu->p_count - 1) * menu->p_y_off); | |
93 | ||
94 | /* | |
95 | * Reset the recompute flag. | |
96 | */ | |
97 | menu->recompute = 0; | |
98 | ||
99 | /* | |
100 | * Return successfully. | |
101 | */ | |
102 | _XMErrorCode = XME_NO_ERROR; | |
103 | return(XM_SUCCESS); | |
104 | } | |
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105 | |
106 | /* arch-tag: 1fe99b82-3873-4aab-b2b3-f277c93e00d9 | |
107 | (do not change this comment) */ |