Commit | Line | Data |
---|---|---|
2cd3138f GM |
1 | /* Copyright Massachusetts Institute of Technology 1985 */ |
2 | ||
e745ede7 DL |
3 | #include "copyright.h" |
4 | ||
e745ede7 DL |
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 | ||
16 | #include "XMenuInt.h" | |
17 | ||
18 | int | |
b782e2d7 DN |
19 | XMenuChangeSelection(Display *display, register XMenu *menu, register int p_num, register int s_num, char *data, int data_sw, char *label, int label_sw) |
20 | /* previously opened display. */ | |
21 | /* Menu object to be modified. */ | |
22 | /* Pane number to be modified. */ | |
23 | /* Selection number to modified. */ | |
24 | /* Data value. */ | |
25 | /* Change to new data value? */ | |
26 | /* Selection label. */ | |
27 | /* Change to new label? */ | |
e745ede7 DL |
28 | { |
29 | register XMPane *p_ptr; /* XMPane pointer. */ | |
30 | register XMSelect *s_ptr; /* XMSelect pointer. */ | |
177c0ea7 | 31 | |
e745ede7 DL |
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 right pane. | |
45 | */ | |
46 | p_ptr = _XMGetPanePtr(menu, p_num); | |
47 | if (p_ptr == NULL) return(XM_FAILURE); | |
48 | ||
49 | /* | |
50 | * Find the right selection. | |
51 | */ | |
52 | s_ptr = _XMGetSelectionPtr(p_ptr, s_num); | |
53 | if (s_ptr == NULL) return(XM_FAILURE); | |
54 | ||
55 | /* | |
56 | * Reset the label? | |
57 | */ | |
58 | if (label_sw) { | |
59 | /* | |
60 | * Determine label size. | |
61 | */ | |
62 | label_length = strlen(label); | |
63 | label_width = XTextWidth(menu->s_fnt_info, label, label_length); | |
64 | ||
65 | /* | |
66 | * Change the selection data. | |
67 | */ | |
68 | s_ptr->label = label; | |
69 | s_ptr->label_width = label_width; | |
70 | s_ptr->label_length = label_length; | |
71 | ||
72 | /* | |
73 | * Schedule a recompute. | |
74 | */ | |
75 | menu->recompute = 1; | |
76 | } | |
77 | ||
78 | /* | |
79 | * Reset the data? | |
80 | */ | |
81 | if (data_sw) s_ptr->data = data; | |
82 | ||
83 | /* | |
84 | * Return successfully. | |
85 | */ | |
86 | _XMErrorCode = XME_NO_ERROR; | |
87 | return(s_num); | |
88 | } |