HCoop / bpt / emacs.git / blame
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| 2cd3138f GM |
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> |
| e745ede7 DL |
17 | #include "XMenuInt.h" |
| 18 | ||
| 19 | int | |
| b782e2d7 DN |
20 | XMenuChangeSelection(Display *display, register XMenu *menu, register int p_num, register int s_num, char *data, int data_sw, char *label, int label_sw) |
| 21 | /* previously opened display. */ | |
| 22 | /* Menu object to be modified. */ | |
| 23 | /* Pane number to be modified. */ | |
| 24 | /* Selection number to modified. */ | |
| 25 | /* Data value. */ | |
| 26 | /* Change to new data value? */ | |
| 27 | /* Selection label. */ | |
| 28 | /* Change to new label? */ | |
| e745ede7 DL |
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 | } | |
| ab5796a9 | 90 |