HCoop / bpt / emacs.git / blame
| Commit | Line | Data |
|---|---|---|
| e745ede7 DL |
1 | #include "copyright.h" |
| 2 | ||
| e745ede7 DL |
3 | /* Copyright Massachusetts Institute of Technology 1985 */ |
| 4 | ||
| 5 | /* | |
| 6 | * XMenu: MIT Project Athena, X Window system menu package | |
| 7 | * | |
| 8 | * XMenuChangeSelection - Change a menu selection. | |
| 9 | * | |
| 10 | * Author: Tony Della Fera, DEC | |
| 11 | * December 19, 1985 | |
| 12 | * | |
| 13 | */ | |
| 14 | ||
| 15 | #include "XMenuInt.h" | |
| 16 | ||
| 17 | int | |
| 18 | XMenuChangeSelection(display, menu, p_num, s_num, data, data_sw, label, label_sw) | |
| 19 | Display *display; /* previously opened display. */ | |
| 20 | register XMenu *menu; /* Menu object to be modified. */ | |
| 21 | register int p_num; /* Pane number to be modified. */ | |
| 22 | register int s_num; /* Selection number to modified. */ | |
| 23 | char *data; /* Data value. */ | |
| 24 | int data_sw; /* Change to new data value? */ | |
| 25 | char *label; /* Selection label. */ | |
| 26 | int label_sw; /* Change to new label? */ | |
| 27 | { | |
| 28 | register XMPane *p_ptr; /* XMPane pointer. */ | |
| 29 | register XMSelect *s_ptr; /* XMSelect pointer. */ | |
| 177c0ea7 | 30 | |
| e745ede7 DL |
31 | int label_length; /* Label length in characters. */ |
| 32 | int label_width; /* Label width in pixels. */ | |
| 33 | ||
| 34 | /* | |
| 35 | * Check for NULL pointers! | |
| 36 | */ | |
| 37 | if (label == NULL) { | |
| 38 | _XMErrorCode = XME_ARG_BOUNDS; | |
| 39 | return(XM_FAILURE); | |
| 40 | } | |
| 41 | ||
| 42 | /* | |
| 43 | * Find the right pane. | |
| 44 | */ | |
| 45 | p_ptr = _XMGetPanePtr(menu, p_num); | |
| 46 | if (p_ptr == NULL) return(XM_FAILURE); | |
| 47 | ||
| 48 | /* | |
| 49 | * Find the right selection. | |
| 50 | */ | |
| 51 | s_ptr = _XMGetSelectionPtr(p_ptr, s_num); | |
| 52 | if (s_ptr == NULL) return(XM_FAILURE); | |
| 53 | ||
| 54 | /* | |
| 55 | * Reset the label? | |
| 56 | */ | |
| 57 | if (label_sw) { | |
| 58 | /* | |
| 59 | * Determine label size. | |
| 60 | */ | |
| 61 | label_length = strlen(label); | |
| 62 | label_width = XTextWidth(menu->s_fnt_info, label, label_length); | |
| 63 | ||
| 64 | /* | |
| 65 | * Change the selection data. | |
| 66 | */ | |
| 67 | s_ptr->label = label; | |
| 68 | s_ptr->label_width = label_width; | |
| 69 | s_ptr->label_length = label_length; | |
| 70 | ||
| 71 | /* | |
| 72 | * Schedule a recompute. | |
| 73 | */ | |
| 74 | menu->recompute = 1; | |
| 75 | } | |
| 76 | ||
| 77 | /* | |
| 78 | * Reset the data? | |
| 79 | */ | |
| 80 | if (data_sw) s_ptr->data = data; | |
| 81 | ||
| 82 | /* | |
| 83 | * Return successfully. | |
| 84 | */ | |
| 85 | _XMErrorCode = XME_NO_ERROR; | |
| 86 | return(s_num); | |
| 87 | } | |
| ab5796a9 MB |
88 | |
| 89 | /* arch-tag: 229732a6-46bf-4a3a-ad90-3d8ed65c0841 | |
| 90 | (do not change this comment) */ |