contrib/dialog/trace.c

   1 /*
   2  *  $Id: trace.c,v 1.11 2010/01/17 15:36:26 tom Exp $
   3  *
   4  *  trace.c -- implements screen-dump and keystroke-logging
   5  *
   6  *  Copyright 2007-2008,2010    Thomas E. Dickey
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU Lesser General Public License, version 2.1
  10  *
  11  *  This program is distributed in the hope that it will be useful, but
  12  *  WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  *  Lesser General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU Lesser General Public
  17  *  License along with this program; if not, write to
  18  *      Free Software Foundation, Inc.
  19  *      51 Franklin St., Fifth Floor
  20  *      Boston, MA 02110, USA.
  21  */
  22
  23 #include <dialog.h>
  24
  25 #ifdef HAVE_DLG_TRACE
  26
  27 #include <dlg_keys.h>
  28 #include <time.h>
  29
  30 #define myFP dialog_state.trace_output
  31
  32 void
  33 dlg_trace_msg(const char *fmt,...)
  34 {
  35     if (myFP != 0) {
  36         va_list ap;
  37         va_start(ap, fmt);
  38         vfprintf(myFP, fmt, ap);
  39         va_end(ap);
  40         fflush(myFP);
  41     }
  42 }
  43
  44 void
  45 dlg_trace_win(WINDOW *win)
  46 {
  47     if (myFP != 0) {
  48         int y, x;
  49         int j, k;
  50         int rc = getmaxy(win);
  51         int cc = getmaxx(win);
  52         chtype ch, c2;
  53
  54         fprintf(myFP, "window %dx%d at %d,%d\n",
  55                 rc, cc, getbegy(win), getbegx(win));
  56
  57         getyx(win, y, x);
  58         for (j = 0; j < rc; ++j) {
  59             fprintf(myFP, "%3d:", j);
  60             for (k = 0; k < cc; ++k) {
  61                 ch = mvwinch(win, j, k) & (A_CHARTEXT | A_ALTCHARSET);
  62                 c2 = dlg_asciibox(ch);
  63                 if (c2 != 0) {
  64                     ch = c2;
  65                 } else if (unctrl(ch) == 0 || strlen(unctrl(ch)) > 1) {
  66                     ch = '.';
  67                 }
  68                 fputc((int) (ch & 0xff), myFP);
  69             }
  70             fputc('\n', myFP);
  71         }
  72         wmove(win, y, x);
  73         fflush(myFP);
  74     }
  75 }
  76
  77 void
  78 dlg_trace_chr(int ch, int fkey)
  79 {
  80     if (myFP != 0) {
  81         const char *fkey_name = "?";
  82         if (fkey) {
  83             if (fkey > KEY_MAX || (fkey_name = keyname(fkey)) == 0) {
  84 #define CASE(name) case name: fkey_name = #name; break
  85                 switch ((DLG_KEYS_ENUM) fkey) {
  86                     CASE(DLGK_MIN);
  87                     CASE(DLGK_OK);
  88                     CASE(DLGK_CANCEL);
  89                     CASE(DLGK_EXTRA);
  90                     CASE(DLGK_HELP);
  91                     CASE(DLGK_ESC);
  92                     CASE(DLGK_PAGE_FIRST);
  93                     CASE(DLGK_PAGE_LAST);
  94                     CASE(DLGK_PAGE_NEXT);
  95                     CASE(DLGK_PAGE_PREV);
  96                     CASE(DLGK_ITEM_FIRST);
  97                     CASE(DLGK_ITEM_LAST);
  98                     CASE(DLGK_ITEM_NEXT);
  99                     CASE(DLGK_ITEM_PREV);
 100                     CASE(DLGK_FIELD_FIRST);
 101                     CASE(DLGK_FIELD_LAST);
 102                     CASE(DLGK_FIELD_NEXT);
 103                     CASE(DLGK_FIELD_PREV);
 104                     CASE(DLGK_GRID_UP);
 105                     CASE(DLGK_GRID_DOWN);
 106                     CASE(DLGK_GRID_LEFT);
 107                     CASE(DLGK_GRID_RIGHT);
 108                     CASE(DLGK_DELETE_LEFT);
 109                     CASE(DLGK_DELETE_RIGHT);
 110                     CASE(DLGK_DELETE_ALL);
 111                     CASE(DLGK_ENTER);
 112                     CASE(DLGK_BEGIN);
 113                     CASE(DLGK_FINAL);
 114                     CASE(DLGK_SELECT);
 115                     CASE(DLGK_TRACE);
 116                 }
 117             }
 118         } else {
 119             fkey_name = unctrl((chtype) ch);
 120             if (fkey_name == 0)
 121                 fkey_name = "UNKNOWN";
 122         }
 123         fprintf(myFP, "chr %s (ch=%#x, fkey=%d)\n",
 124                 fkey_name,
 125                 ch, fkey);
 126         fflush(myFP);
 127     }
 128 }
 129
 130 void
 131 dlg_trace(const char *fname)
 132 {
 133     if (fname != 0) {
 134         if (myFP == 0) {
 135             myFP = fopen(fname, "a");
 136             if (myFP != 0) {
 137                 time_t now = time((time_t *) 0);
 138                 fprintf(myFP, "** opened at %s", ctime(&now));
 139             }
 140         }
 141     } else if (myFP != 0) {
 142         time_t now = time((time_t *) 0);
 143         fprintf(myFP, "** closed at %s", ctime(&now));
 144         fclose(myFP);
 145         myFP = 0;
 146     }
 147 }
 148 #else
 149 #undef dlg_trace
 150 extern void dlg_trace(const char *);
 151 void
 152 dlg_trace(const char *fname)
 153 {
 154     (void) fname;
 155 }
 156 #endif