1 /* 2 * $Id: trace.c,v 1.31 2020/03/26 23:29:24 tom Exp $ 3 * 4 * trace.c -- implements screen-dump and keystroke-logging 5 * 6 * Copyright 2007-2019,2020 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 * as published by the Free Software Foundation. 11 * 12 * This program is distributed in the hope that it will be useful, but 13 * WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with this program; if not, write to 19 * Free Software Foundation, Inc. 20 * 51 Franklin St., Fifth Floor 21 * Boston, MA 02110, USA. 22 */ 23 24 #include <dialog.h> 25 26 #ifdef HAVE_DLG_TRACE 27 28 #ifdef NEED_WCHAR_H 29 #include <wchar.h> 30 #endif 31 32 #include <dlg_keys.h> 33 #include <time.h> 34 35 #define myFP dialog_state.trace_output 36 37 static void 38 dlg_trace_time(const char *tag) 39 { 40 time_t now = time((time_t *) 0); 41 fprintf(myFP, "%s %s", tag, ctime(&now)); 42 } 43 44 void 45 dlg_trace_msg(const char *fmt, ...) 46 { 47 if (myFP != 0) { 48 va_list ap; 49 va_start(ap, fmt); 50 vfprintf(myFP, fmt, ap); 51 va_end(ap); 52 fflush(myFP); 53 } 54 } 55 56 void 57 dlg_trace_va_msg(const char *fmt, va_list ap) 58 { 59 if (myFP != 0) { 60 vfprintf(myFP, fmt, ap); 61 fflush(myFP); 62 } 63 } 64 65 void 66 dlg_trace_2s(const char *name, const char *value) 67 { 68 bool first = TRUE; 69 int left, right = 0; 70 71 if (value == 0) 72 value = "<NULL>"; 73 74 while (value[right] != '\0') { 75 const char *next; 76 77 value += right; 78 if ((next = strchr(value, '\n')) != 0) { 79 left = (int) (next - value); 80 right = left + 1; 81 } else { 82 left = (int) strlen(value); 83 right = left; 84 } 85 if (first) { 86 first = FALSE; 87 dlg_trace_msg("#%14s=%.*s\n", name, left, value); 88 } else { 89 dlg_trace_msg("#+\t\t%.*s\n", left, value); 90 } 91 } 92 } 93 94 void 95 dlg_trace_2n(const char *name, int value) 96 { 97 dlg_trace_msg("#\t%7s=%d\n", name, value); 98 } 99 100 void 101 dlg_trace_win(WINDOW *win) 102 { 103 if (myFP != 0) { 104 WINDOW *top = wgetparent(win); 105 106 while (top != 0 && top != stdscr) { 107 win = top; 108 top = wgetparent(win); 109 } 110 111 if (win != 0) { 112 int rc = getmaxy(win); 113 int cc = getmaxx(win); 114 chtype ch, c2; 115 int y, x; 116 int j, k; 117 118 fprintf(myFP, "window %dx%d at %d,%d\n", 119 rc, cc, getbegy(win), getbegx(win)); 120 121 getyx(win, y, x); 122 for (j = 0; j < rc; ++j) { 123 fprintf(myFP, "%3d:", j); 124 for (k = 0; k < cc; ++k) { 125 #ifdef USE_WIDE_CURSES 126 char buffer[80]; 127 128 ch = mvwinch(win, j, k) & (A_CHARTEXT | A_ALTCHARSET); 129 if (ch & A_ALTCHARSET) { 130 c2 = dlg_asciibox(ch); 131 if (c2 != 0) { 132 ch = c2; 133 } 134 buffer[0] = (char) ch; 135 buffer[1] = '\0'; 136 } else { 137 cchar_t cch; 138 const wchar_t *uc; 139 140 if (win_wch(win, &cch) == ERR 141 || (uc = wunctrl((&cch))) == 0 142 || uc[1] != 0 143 || wcwidth(uc[0]) <= 0) { 144 buffer[0] = '.'; 145 buffer[1] = '\0'; 146 } else { 147 mbstate_t state; 148 const wchar_t *ucp = uc; 149 150 memset(&state, 0, sizeof(state)); 151 wcsrtombs(buffer, &ucp, sizeof(buffer), &state); 152 k += wcwidth(uc[0]) - 1; 153 } 154 } 155 fputs(buffer, myFP); 156 #else 157 ch = mvwinch(win, j, k) & (A_CHARTEXT | A_ALTCHARSET); 158 c2 = dlg_asciibox(ch); 159 if (c2 != 0) { 160 ch = c2; 161 } else if (unctrl(ch) == 0 || strlen(unctrl(ch)) > 1) { 162 ch = '.'; 163 } 164 fputc((int) (ch & 0xff), myFP); 165 #endif 166 } 167 fputc('\n', myFP); 168 } 169 wmove(win, y, x); 170 fflush(myFP); 171 } 172 } 173 } 174 175 void 176 dlg_trace_chr(int ch, int fkey) 177 { 178 static int last_err = 0; 179 180 /* 181 * Do not bother to trace ERR's indefinitely, since those are usually due 182 * to relatively short polling timeouts. 183 */ 184 if (last_err && !fkey && ch == ERR) { 185 ++last_err; 186 } else if (myFP != 0) { 187 const char *fkey_name = "?"; 188 189 if (last_err) { 190 fprintf(myFP, "skipped %d ERR's\n", last_err); 191 last_err = 0; 192 } 193 194 if (fkey) { 195 if (fkey > KEY_MAX || (fkey_name = keyname(fkey)) == 0) { 196 #define CASE(name) case name: fkey_name = #name; break 197 switch ((DLG_KEYS_ENUM) fkey) { 198 CASE(DLGK_MIN); 199 CASE(DLGK_OK); 200 CASE(DLGK_CANCEL); 201 CASE(DLGK_EXTRA); 202 CASE(DLGK_HELP); 203 CASE(DLGK_ESC); 204 CASE(DLGK_PAGE_FIRST); 205 CASE(DLGK_PAGE_LAST); 206 CASE(DLGK_PAGE_NEXT); 207 CASE(DLGK_PAGE_PREV); 208 CASE(DLGK_ITEM_FIRST); 209 CASE(DLGK_ITEM_LAST); 210 CASE(DLGK_ITEM_NEXT); 211 CASE(DLGK_ITEM_PREV); 212 CASE(DLGK_FIELD_FIRST); 213 CASE(DLGK_FIELD_LAST); 214 CASE(DLGK_FIELD_NEXT); 215 CASE(DLGK_FIELD_PREV); 216 CASE(DLGK_FORM_FIRST); 217 CASE(DLGK_FORM_LAST); 218 CASE(DLGK_FORM_NEXT); 219 CASE(DLGK_FORM_PREV); 220 CASE(DLGK_GRID_UP); 221 CASE(DLGK_GRID_DOWN); 222 CASE(DLGK_GRID_LEFT); 223 CASE(DLGK_GRID_RIGHT); 224 CASE(DLGK_DELETE_LEFT); 225 CASE(DLGK_DELETE_RIGHT); 226 CASE(DLGK_DELETE_ALL); 227 CASE(DLGK_ENTER); 228 CASE(DLGK_BEGIN); 229 CASE(DLGK_FINAL); 230 CASE(DLGK_SELECT); 231 CASE(DLGK_HELPFILE); 232 CASE(DLGK_TRACE); 233 CASE(DLGK_TOGGLE); 234 } 235 } 236 } else if (ch == ERR) { 237 fkey_name = "ERR"; 238 last_err = 1; 239 } else { 240 fkey_name = unctrl((chtype) ch); 241 if (fkey_name == 0) 242 fkey_name = "UNKNOWN"; 243 } 244 if (ch >= 0) { 245 fprintf(myFP, "chr %s (ch=%#x, fkey=%d)\n", fkey_name, ch, fkey); 246 } else { 247 fprintf(myFP, "chr %s (ch=%d, fkey=%d)\n", fkey_name, ch, fkey); 248 } 249 fflush(myFP); 250 } 251 } 252 253 void 254 dlg_trace(const char *fname) 255 { 256 if (fname != 0) { 257 if (myFP == 0) { 258 myFP = fopen(fname, "a"); 259 if (myFP != 0) { 260 dlg_trace_time("## opened at"); 261 DLG_TRACE(("## dialog %s\n", dialog_version())); 262 DLG_TRACE(("## vile: confmode\n")); 263 } 264 } 265 } else if (myFP != 0) { 266 dlg_trace_time("## closed at"); 267 fclose(myFP); 268 myFP = 0; 269 } 270 } 271 #else 272 #undef dlg_trace 273 extern void dlg_trace(const char *); 274 void 275 dlg_trace(const char *fname) 276 { 277 (void) fname; 278 } 279 #endif 280