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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 | * XMenuChangeSelection - Change a menu selection. | |
10 | * | |
11 | * Author: Tony Della Fera, DEC | |
12 | * December 19, 1985 | |
13 | * | |
14 | */ | |
15 | ||
d2030e8c | 16 | #include <config.h> |
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17 | #include "XMenuInt.h" |
18 | ||
19 | int | |
20 | XMenuChangeSelection(display, menu, p_num, s_num, data, data_sw, label, label_sw) | |
21 | Display *display; /* previously opened display. */ | |
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 to modified. */ | |
25 | char *data; /* Data value. */ | |
26 | int data_sw; /* Change to new data value? */ | |
27 | char *label; /* Selection label. */ | |
28 | int label_sw; /* Change to new label? */ | |
29 | { | |
30 | register XMPane *p_ptr; /* XMPane pointer. */ | |
31 | register XMSelect *s_ptr; /* XMSelect pointer. */ | |
177c0ea7 | 32 | |
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33 | int label_length; /* Label length in characters. */ |
34 | int label_width; /* Label width in pixels. */ | |
35 | ||
36 | /* | |
37 | * Check for NULL pointers! | |
38 | */ | |
39 | if (label == NULL) { | |
40 | _XMErrorCode = XME_ARG_BOUNDS; | |
41 | return(XM_FAILURE); | |
42 | } | |
43 | ||
44 | /* | |
45 | * Find the right pane. | |
46 | */ | |
47 | p_ptr = _XMGetPanePtr(menu, p_num); | |
48 | if (p_ptr == NULL) return(XM_FAILURE); | |
49 | ||
50 | /* | |
51 | * Find the right selection. | |
52 | */ | |
53 | s_ptr = _XMGetSelectionPtr(p_ptr, s_num); | |
54 | if (s_ptr == NULL) return(XM_FAILURE); | |
55 | ||
56 | /* | |
57 | * Reset the label? | |
58 | */ | |
59 | if (label_sw) { | |
60 | /* | |
61 | * Determine label size. | |
62 | */ | |
63 | label_length = strlen(label); | |
64 | label_width = XTextWidth(menu->s_fnt_info, label, label_length); | |
65 | ||
66 | /* | |
67 | * Change the selection data. | |
68 | */ | |
69 | s_ptr->label = label; | |
70 | s_ptr->label_width = label_width; | |
71 | s_ptr->label_length = label_length; | |
72 | ||
73 | /* | |
74 | * Schedule a recompute. | |
75 | */ | |
76 | menu->recompute = 1; | |
77 | } | |
78 | ||
79 | /* | |
80 | * Reset the data? | |
81 | */ | |
82 | if (data_sw) s_ptr->data = data; | |
83 | ||
84 | /* | |
85 | * Return successfully. | |
86 | */ | |
87 | _XMErrorCode = XME_NO_ERROR; | |
88 | return(s_num); | |
89 | } | |
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90 | |
91 | /* arch-tag: 229732a6-46bf-4a3a-ad90-3d8ed65c0841 | |
92 | (do not change this comment) */ |