1 /* 2 * $Id: trace.c,v 1.21 2015/05/29 00:17:11 Matthias.Scheler Exp $ 3 * 4 * trace.c -- implements screen-dump and keystroke-logging 5 * 6 * Copyright 2007-2011,2015 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 #ifdef NEED_WCHAR_H 28 #include <wchar.h> 29 #endif 30 31 #include <dlg_keys.h> 32 #include <time.h> 33 34 #define myFP dialog_state.trace_output 35 36 static void 37 dlg_trace_time(const char *tag) 38 { 39 time_t now = time((time_t *) 0); 40 fprintf(myFP, "%s %s", tag, ctime(&now)); 41 } 42 43 void 44 dlg_trace_msg(const char *fmt,...) 45 { 46 if (myFP != 0) { 47 va_list ap; 48 va_start(ap, fmt); 49 vfprintf(myFP, fmt, ap); 50 va_end(ap); 51 fflush(myFP); 52 } 53 } 54 55 void 56 dlg_trace_win(WINDOW *win) 57 { 58 if (myFP != 0) { 59 int y, x; 60 int j, k; 61 WINDOW *top = wgetparent(win); 62 63 while (top != 0 && top != stdscr) { 64 win = top; 65 top = wgetparent(win); 66 } 67 68 if (win != 0) { 69 int rc = getmaxy(win); 70 int cc = getmaxx(win); 71 chtype ch, c2; 72 73 fprintf(myFP, "window %dx%d at %d,%d\n", 74 rc, cc, getbegy(win), getbegx(win)); 75 76 getyx(win, y, x); 77 for (j = 0; j < rc; ++j) { 78 fprintf(myFP, "%3d:", j); 79 for (k = 0; k < cc; ++k) { 80 #ifdef USE_WIDE_CURSES 81 char buffer[80]; 82 83 ch = mvwinch(win, j, k) & (A_CHARTEXT | A_ALTCHARSET); 84 if (ch & A_ALTCHARSET) { 85 c2 = dlg_asciibox(ch); 86 if (c2 != 0) { 87 ch = c2; 88 } 89 buffer[0] = (char) ch; 90 buffer[1] = '\0'; 91 } else { 92 cchar_t cch; 93 wchar_t *uc; 94 95 if (win_wch(win, &cch) == ERR 96 || (uc = wunctrl((&cch))) == 0 97 || uc[1] != 0 98 || wcwidth(uc[0]) <= 0) { 99 buffer[0] = '.'; 100 buffer[1] = '\0'; 101 } else { 102 mbstate_t state; 103 const wchar_t *ucp = uc; 104 105 memset(&state, 0, sizeof(state)); 106 wcsrtombs(buffer, &ucp, sizeof(buffer), &state); 107 k += wcwidth(uc[0]) - 1; 108 } 109 } 110 fputs(buffer, myFP); 111 #else 112 ch = mvwinch(win, j, k) & (A_CHARTEXT | A_ALTCHARSET); 113 c2 = dlg_asciibox(ch); 114 if (c2 != 0) { 115 ch = c2; 116 } else if (unctrl(ch) == 0 || strlen(unctrl(ch)) > 1) { 117 ch = '.'; 118 } 119 fputc((int) (ch & 0xff), myFP); 120 #endif 121 } 122 fputc('\n', myFP); 123 } 124 wmove(win, y, x); 125 fflush(myFP); 126 } 127 } 128 } 129 130 void 131 dlg_trace_chr(int ch, int fkey) 132 { 133 static int last_err = 0; 134 135 /* 136 * Do not bother to trace ERR's indefinitely, since those are usually due 137 * to relatively short polling timeouts. 138 */ 139 if (last_err && !fkey && ch == ERR) { 140 ++last_err; 141 } else if (myFP != 0) { 142 const char *fkey_name = "?"; 143 144 if (last_err) { 145 fprintf(myFP, "skipped %d ERR's\n", last_err); 146 last_err = 0; 147 } 148 149 if (fkey) { 150 if (fkey > KEY_MAX || (fkey_name = keyname(fkey)) == 0) { 151 #define CASE(name) case name: fkey_name = #name; break 152 switch ((DLG_KEYS_ENUM) fkey) { 153 CASE(DLGK_MIN); 154 CASE(DLGK_OK); 155 CASE(DLGK_CANCEL); 156 CASE(DLGK_EXTRA); 157 CASE(DLGK_HELP); 158 CASE(DLGK_ESC); 159 CASE(DLGK_PAGE_FIRST); 160 CASE(DLGK_PAGE_LAST); 161 CASE(DLGK_PAGE_NEXT); 162 CASE(DLGK_PAGE_PREV); 163 CASE(DLGK_ITEM_FIRST); 164 CASE(DLGK_ITEM_LAST); 165 CASE(DLGK_ITEM_NEXT); 166 CASE(DLGK_ITEM_PREV); 167 CASE(DLGK_FIELD_FIRST); 168 CASE(DLGK_FIELD_LAST); 169 CASE(DLGK_FIELD_NEXT); 170 CASE(DLGK_FIELD_PREV); 171 CASE(DLGK_FORM_FIRST); 172 CASE(DLGK_FORM_LAST); 173 CASE(DLGK_FORM_NEXT); 174 CASE(DLGK_FORM_PREV); 175 CASE(DLGK_GRID_UP); 176 CASE(DLGK_GRID_DOWN); 177 CASE(DLGK_GRID_LEFT); 178 CASE(DLGK_GRID_RIGHT); 179 CASE(DLGK_DELETE_LEFT); 180 CASE(DLGK_DELETE_RIGHT); 181 CASE(DLGK_DELETE_ALL); 182 CASE(DLGK_ENTER); 183 CASE(DLGK_BEGIN); 184 CASE(DLGK_FINAL); 185 CASE(DLGK_SELECT); 186 CASE(DLGK_HELPFILE); 187 CASE(DLGK_TRACE); 188 } 189 } 190 } else if (ch == ERR) { 191 fkey_name = "ERR"; 192 last_err = 1; 193 } else { 194 fkey_name = unctrl((chtype) ch); 195 if (fkey_name == 0) 196 fkey_name = "UNKNOWN"; 197 } 198 fprintf(myFP, "chr %s (ch=%#x, fkey=%d)\n", 199 fkey_name, 200 ch, fkey); 201 fflush(myFP); 202 } 203 } 204 205 void 206 dlg_trace(const char *fname) 207 { 208 if (fname != 0) { 209 if (myFP == 0) { 210 myFP = fopen(fname, "a"); 211 if (myFP != 0) { 212 dlg_trace_time("** opened at"); 213 dlg_trace_msg("** dialog %s\n", dialog_version()); 214 } 215 } 216 } else if (myFP != 0) { 217 dlg_trace_time("** closed at"); 218 fclose(myFP); 219 myFP = 0; 220 } 221 } 222 #else 223 #undef dlg_trace 224 extern void dlg_trace(const char *); 225 void 226 dlg_trace(const char *fname) 227 { 228 (void) fname; 229 } 230 #endif 231