src/exim_monitor/em_text.c

   1 /* $Cambridge: exim/src/exim_monitor/em_text.c,v 1.4 2007/01/08 10:50:17 ph10 Exp $ */
   2
   3 /*************************************************
   4 *               Exim Monitor                     *
   5 *************************************************/
   6
   7 /* Copyright (c) University of Cambridge 1995 - 2007 */
   8 /* See the file NOTICE for conditions of use and distribution. */
   9
  10
  11 #include "em_hdr.h"
  12
  13
  14 /* This module contains functions for displaying text in a
  15 text widget. It is not used for the log widget, because that
  16 is dynamically updated and has special scrolling requirements. */
  17
  18
  19 /* Count of characters displayed */
  20
  21 static int text_count = 0;
  22
  23
  24 /*************************************************
  25 *               Empty the widget                 *
  26 *************************************************/
  27
  28 void text_empty(Widget w)
  29 {
  30 XawTextBlock b;
  31 b.firstPos = 0;
  32 b.ptr = CS &b;
  33 b.format = FMT8BIT;
  34 b.length = 0;
  35 XawTextReplace(w, 0, text_count, &b);
  36 text_count = 0;
  37 XawTextSetInsertionPoint(w, text_count);
  38 }
  39
  40
  41
  42 /*************************************************
  43 *                 Display text                   *
  44 *************************************************/
  45
  46 void text_show(Widget w, uschar *s)
  47 {
  48 XawTextBlock b;
  49 b.firstPos = 0;
  50 b.ptr = CS s;
  51 b.format = FMT8BIT;
  52 b.length = Ustrlen(s);
  53 XawTextReplace(w, text_count, text_count, &b);
  54 text_count += b.length;
  55 XawTextSetInsertionPoint(w, text_count);
  56 }
  57
  58
  59 /*************************************************
  60 *           Display text from format             *
  61 *************************************************/
  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 */