| 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 | * XMenuChangePane - Change the label of a menu pane. |
| 10 | * |
| 11 | * Author: Tony Della Fera, DEC |
| 12 | * December 19, 1985 |
| 13 | * |
| 14 | */ |
| 15 | |
| 16 | #include "XMenuInt.h" |
| 17 | |
| 18 | int |
| 19 | XMenuChangePane(register XMenu *menu, register int p_num, char *label) |
| 20 | /* Menu object to be modified. */ |
| 21 | /* Pane number to be modified. */ |
| 22 | /* Selection label. */ |
| 23 | { |
| 24 | register XMPane *p_ptr; /* XMPane pointer. */ |
| 25 | |
| 26 | int label_length; /* Label length in characters. */ |
| 27 | int label_width; /* Label width in pixels. */ |
| 28 | |
| 29 | /* |
| 30 | * Check for NULL pointers! |
| 31 | */ |
| 32 | if (label == NULL) { |
| 33 | _XMErrorCode = XME_ARG_BOUNDS; |
| 34 | return(XM_FAILURE); |
| 35 | } |
| 36 | |
| 37 | /* |
| 38 | * Find the right pane. |
| 39 | */ |
| 40 | p_ptr = _XMGetPanePtr(menu, p_num); |
| 41 | if (p_ptr == NULL) return(XM_FAILURE); |
| 42 | |
| 43 | /* |
| 44 | * Determine label size. |
| 45 | */ |
| 46 | label_length = strlen(label); |
| 47 | label_width = XTextWidth(menu->p_fnt_info, label, label_length); |
| 48 | |
| 49 | /* |
| 50 | * Change the pane data. |
| 51 | */ |
| 52 | p_ptr->label = label; |
| 53 | p_ptr->label_width = label_width; |
| 54 | p_ptr->label_length = label_length; |
| 55 | |
| 56 | /* |
| 57 | * Schedule a recompute. |
| 58 | */ |
| 59 | menu->recompute = 1; |
| 60 | |
| 61 | /* |
| 62 | * Return the pane number just changed. |
| 63 | */ |
| 64 | _XMErrorCode = XME_NO_ERROR; |
| 65 | return(p_num); |
| 66 | } |