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
text_empty(Widget w)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
text_show(Widget w,uschar * s)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
text_showf(Widget w,char * s,...)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 */
74