| 1 | /************************************************* |
| 2 | * Exim Monitor * |
| 3 | *************************************************/ |
| 4 | |
| 5 | /* Copyright (c) University of Cambridge 1995 - 2012 */ |
| 6 | /* See the file NOTICE for conditions of use and distribution. */ |
| 7 | |
| 8 | |
| 9 | #include "em_hdr.h" |
| 10 | |
| 11 | |
| 12 | /* This module contains functions for displaying text in a |
| 13 | text widget. It is not used for the log widget, because that |
| 14 | is dynamically updated and has special scrolling requirements. */ |
| 15 | |
| 16 | |
| 17 | /* Count of characters displayed */ |
| 18 | |
| 19 | static int text_count = 0; |
| 20 | |
| 21 | |
| 22 | /************************************************* |
| 23 | * Empty the widget * |
| 24 | *************************************************/ |
| 25 | |
| 26 | void text_empty(Widget w) |
| 27 | { |
| 28 | XawTextBlock b; |
| 29 | b.firstPos = 0; |
| 30 | b.ptr = CS &b; |
| 31 | b.format = FMT8BIT; |
| 32 | b.length = 0; |
| 33 | XawTextReplace(w, 0, text_count, &b); |
| 34 | text_count = 0; |
| 35 | XawTextSetInsertionPoint(w, text_count); |
| 36 | } |
| 37 | |
| 38 | |
| 39 | |
| 40 | /************************************************* |
| 41 | * Display text * |
| 42 | *************************************************/ |
| 43 | |
| 44 | void text_show(Widget w, uschar *s) |
| 45 | { |
| 46 | XawTextBlock b; |
| 47 | b.firstPos = 0; |
| 48 | b.ptr = CS s; |
| 49 | b.format = FMT8BIT; |
| 50 | b.length = Ustrlen(s); |
| 51 | XawTextReplace(w, text_count, text_count, &b); |
| 52 | text_count += b.length; |
| 53 | XawTextSetInsertionPoint(w, text_count); |
| 54 | } |
| 55 | |
| 56 | |
| 57 | /************************************************* |
| 58 | * Display text from format * |
| 59 | *************************************************/ |
| 60 | |
| 61 | void text_showf(Widget w, char *s, ...) PRINTF_FUNCTION(2,3); |
| 62 | |
| 63 | void text_showf(Widget w, char *s, ...) |
| 64 | { |
| 65 | va_list ap; |
| 66 | uschar buffer[1024]; |
| 67 | va_start(ap, s); |
| 68 | vsprintf(CS buffer, s, ap); |
| 69 | va_end(ap); |
| 70 | text_show(w, buffer); |
| 71 | } |
| 72 | |
| 73 | /* End of em_text.c */ |