| 1 | /* Copyright Massachusetts Institute of Technology 1985 */ |
| 2 | |
| 3 | #include "copyright.h" |
| 4 | |
| 5 | |
| 6 | /* |
| 7 | * XMenu: MIT Project Athena, X Window system menu package |
| 8 | * |
| 9 | * XMenuAddSelection - Adds a selection to an XMenu object. |
| 10 | * |
| 11 | * Author: Tony Della Fera, DEC |
| 12 | * August, 1985 |
| 13 | * |
| 14 | */ |
| 15 | |
| 16 | #include <config.h> |
| 17 | #include "XMenuInt.h" |
| 18 | |
| 19 | int |
| 20 | XMenuAddSelection(display, menu, p_num, data, label, active, help) |
| 21 | Display *display; |
| 22 | register XMenu *menu; /* Menu object to be modified. */ |
| 23 | register int p_num; /* Pane number to be modified. */ |
| 24 | char *data; /* Data value. */ |
| 25 | char *label; /* Selection label. */ |
| 26 | int active; /* Make selection active? */ |
| 27 | char *help; /* Help string */ |
| 28 | { |
| 29 | register XMPane *pane; /* Pane containing the new selection. */ |
| 30 | register XMSelect *select; /* Newly created selection. */ |
| 31 | |
| 32 | |
| 33 | int label_length; /* Label lenght 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 | * Find the right pane. |
| 45 | */ |
| 46 | pane = _XMGetPanePtr(menu, p_num); |
| 47 | if (pane == NULL) return(XM_FAILURE); |
| 48 | |
| 49 | /* |
| 50 | * Calloc the XMSelect structure. |
| 51 | */ |
| 52 | select = (XMSelect *)calloc(1, sizeof(XMSelect)); |
| 53 | if (select == NULL) { |
| 54 | _XMErrorCode = XME_CALLOC; |
| 55 | return(XM_FAILURE); |
| 56 | } |
| 57 | /* |
| 58 | * Determine label size. |
| 59 | */ |
| 60 | label_length = strlen(label); |
| 61 | label_width = XTextWidth(menu->s_fnt_info, label, label_length); |
| 62 | |
| 63 | /* |
| 64 | * Fill the XMSelect structure. |
| 65 | */ |
| 66 | if (!strcmp (label, "--") || !strcmp (label, "---")) |
| 67 | { |
| 68 | select->type = SEPARATOR; |
| 69 | select->active = 0; |
| 70 | } |
| 71 | else |
| 72 | { |
| 73 | select->type = SELECTION; |
| 74 | select->active = active; |
| 75 | } |
| 76 | |
| 77 | select->serial = -1; |
| 78 | select->label = label; |
| 79 | select->label_width = label_width; |
| 80 | select->label_length = label_length; |
| 81 | select->data = data; |
| 82 | select->parent_p = pane; |
| 83 | select->help_string = help; |
| 84 | |
| 85 | /* |
| 86 | * Insert the selection at the end of the selection list. |
| 87 | */ |
| 88 | emacs_insque(select, pane->s_list->prev); |
| 89 | |
| 90 | /* |
| 91 | * Update the selection count. |
| 92 | */ |
| 93 | pane->s_count++; |
| 94 | |
| 95 | /* |
| 96 | * Schedule a recompute. |
| 97 | */ |
| 98 | menu->recompute = 1; |
| 99 | |
| 100 | /* |
| 101 | * Return the selection number just added. |
| 102 | */ |
| 103 | _XMErrorCode = XME_NO_ERROR; |
| 104 | return((pane->s_count - 1)); |
| 105 | } |
| 106 | |
| 107 | /* arch-tag: 0161f024-c739-440d-9498-050280c6c355 |
| 108 | (do not change this comment) */ |