release/src/router/libncurses/ncurses/tinfo/lib_ttyflags.c

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  28
  29 /*
  30  *              def_prog_mode()
  31  *              def_shell_mode()
  32  *              reset_prog_mode()
  33  *              reset_shell_mode()
  34  *              savetty()
  35  *              resetty()
  36  */
  37
  38 #include <curses.priv.h>
  39
  40 #ifndef CUR
  41 #define CUR SP_TERMTYPE
  42 #endif
  43
  44 MODULE_ID("$Id: lib_ttyflags.c,v 1.27 2010/12/25 23:43:58 tom Exp $")
  45
  46 NCURSES_EXPORT(int)
  47 NCURSES_SP_NAME(_nc_get_tty_mode) (NCURSES_SP_DCLx TTY * buf)
  48 {
  49     int result = OK;
  50
  51     if (buf == 0 || SP_PARM == 0) {
  52         result = ERR;
  53     } else {
  54         TERMINAL *termp = TerminalOf(SP_PARM);
  55
  56         if (0 == termp) {
  57             result = ERR;
  58         } else {
  59 #ifdef USE_TERM_DRIVER
  60             result = CallDriver_2(SP_PARM, sgmode, FALSE, buf);
  61 #else
  62             for (;;) {
  63                 if (GET_TTY(termp->Filedes, buf) != 0) {
  64                     if (errno == EINTR)
  65                         continue;
  66                     result = ERR;
  67                 }
  68                 break;
  69             }
  70 #endif
  71         }
  72
  73         if (result == ERR)
  74             memset(buf, 0, sizeof(*buf));
  75
  76         TR(TRACE_BITS, ("_nc_get_tty_mode(%d): %s",
  77                         termp ? termp->Filedes : -1,
  78                         _nc_trace_ttymode(buf)));
  79     }
  80     return (result);
  81 }
  82
  83 #if NCURSES_SP_FUNCS
  84 NCURSES_EXPORT(int)
  85 _nc_get_tty_mode(TTY * buf)
  86 {
  87     return NCURSES_SP_NAME(_nc_get_tty_mode) (CURRENT_SCREEN, buf);
  88 }
  89 #endif
  90
  91 NCURSES_EXPORT(int)
  92 NCURSES_SP_NAME(_nc_set_tty_mode) (NCURSES_SP_DCLx TTY * buf)
  93 {
  94     int result = OK;
  95
  96     if (buf == 0 || SP_PARM == 0) {
  97         result = ERR;
  98     } else {
  99         TERMINAL *termp = TerminalOf(SP_PARM);
 100
 101         if (0 == termp) {
 102             result = ERR;
 103         } else {
 104 #ifdef USE_TERM_DRIVER
 105             result = CallDriver_2(SP_PARM, sgmode, TRUE, buf);
 106 #else
 107             for (;;) {
 108                 if (SET_TTY(termp->Filedes, buf) != 0) {
 109                     if (errno == EINTR)
 110                         continue;
 111                     if ((errno == ENOTTY) && (SP_PARM != 0))
 112                         SP_PARM->_notty = TRUE;
 113                     result = ERR;
 114                 }
 115                 break;
 116             }
 117 #endif
 118         }
 119         TR(TRACE_BITS, ("_nc_set_tty_mode(%d): %s",
 120                         termp ? termp->Filedes : -1,
 121                         _nc_trace_ttymode(buf)));
 122     }
 123     return (result);
 124 }
 125
 126 #if NCURSES_SP_FUNCS
 127 NCURSES_EXPORT(int)
 128 _nc_set_tty_mode(TTY * buf)
 129 {
 130     return NCURSES_SP_NAME(_nc_set_tty_mode) (CURRENT_SCREEN, buf);
 131 }
 132 #endif
 133
 134 NCURSES_EXPORT(int)
 135 NCURSES_SP_NAME(def_shell_mode) (NCURSES_SP_DCL0)
 136 {
 137     int rc = ERR;
 138     TERMINAL *termp = TerminalOf(SP_PARM);
 139
 140     T((T_CALLED("def_shell_mode(%p)"), (void *) SP_PARM));
 141
 142     if (termp != 0) {
 143 #ifdef USE_TERM_DRIVER
 144         rc = CallDriver_2(SP_PARM, mode, FALSE, TRUE);
 145 #else
 146         /*
 147          * If XTABS was on, remove the tab and backtab capabilities.
 148          */
 149         if (_nc_get_tty_mode(&termp->Ottyb) == OK) {
 150 #ifdef TERMIOS
 151             if (termp->Ottyb.c_oflag & OFLAGS_TABS)
 152                 tab = back_tab = NULL;
 153 #else
 154             if (termp->Ottyb.sg_flags & XTABS)
 155                 tab = back_tab = NULL;
 156 #endif
 157             rc = OK;
 158         }
 159 #endif
 160     }
 161     returnCode(rc);
 162 }
 163
 164 #if NCURSES_SP_FUNCS
 165 NCURSES_EXPORT(int)
 166 def_shell_mode(void)
 167 {
 168     return NCURSES_SP_NAME(def_shell_mode) (CURRENT_SCREEN);
 169 }
 170 #endif
 171
 172 NCURSES_EXPORT(int)
 173 NCURSES_SP_NAME(def_prog_mode) (NCURSES_SP_DCL0)
 174 {
 175     int rc = ERR;
 176     TERMINAL *termp = TerminalOf(SP_PARM);
 177
 178     T((T_CALLED("def_prog_mode(%p)"), (void *) SP_PARM));
 179
 180     if (termp != 0) {
 181 #ifdef USE_TERM_DRIVER
 182         rc = CallDriver_2(SP_PARM, mode, TRUE, TRUE);
 183 #else
 184         /*
 185          * Turn off the XTABS bit in the tty structure if it was on.
 186          */
 187         if (_nc_get_tty_mode(&termp->Nttyb) == OK) {
 188 #ifdef TERMIOS
 189             termp->Nttyb.c_oflag &= (unsigned) (~OFLAGS_TABS);
 190 #else
 191             termp->Nttyb.sg_flags &= (unsigned) (~XTABS);
 192 #endif
 193             rc = OK;
 194         }
 195 #endif
 196     }
 197     returnCode(rc);
 198 }
 199
 200 #if NCURSES_SP_FUNCS
 201 NCURSES_EXPORT(int)
 202 def_prog_mode(void)
 203 {
 204     return NCURSES_SP_NAME(def_prog_mode) (CURRENT_SCREEN);
 205 }
 206 #endif
 207
 208 NCURSES_EXPORT(int)
 209 NCURSES_SP_NAME(reset_prog_mode) (NCURSES_SP_DCL0)
 210 {
 211     int rc = ERR;
 212     TERMINAL *termp = TerminalOf(SP_PARM);
 213
 214     T((T_CALLED("reset_prog_mode(%p)"), (void *) SP_PARM));
 215
 216     if (termp != 0) {
 217 #ifdef USE_TERM_DRIVER
 218         rc = CallDriver_2(SP_PARM, mode, TRUE, FALSE);
 219 #else
 220         if (_nc_set_tty_mode(&termp->Nttyb) == OK) {
 221             if (SP_PARM) {
 222                 if (SP_PARM->_keypad_on)
 223                     _nc_keypad(SP_PARM, TRUE);
 224                 NC_BUFFERED(SP_PARM, TRUE);
 225             }
 226             rc = OK;
 227         }
 228 #endif
 229     }
 230     returnCode(rc);
 231 }
 232
 233 #if NCURSES_SP_FUNCS
 234 NCURSES_EXPORT(int)
 235 reset_prog_mode(void)
 236 {
 237     return NCURSES_SP_NAME(reset_prog_mode) (CURRENT_SCREEN);
 238 }
 239 #endif
 240
 241 NCURSES_EXPORT(int)
 242 NCURSES_SP_NAME(reset_shell_mode) (NCURSES_SP_DCL0)
 243 {
 244     int rc = ERR;
 245     TERMINAL *termp = TerminalOf(SP_PARM);
 246
 247     T((T_CALLED("reset_shell_mode(%p)"), (void *) SP_PARM));
 248
 249     if (termp != 0) {
 250 #ifdef USE_TERM_DRIVER
 251         rc = CallDriver_2(SP_PARM, mode, FALSE, FALSE);
 252 #else
 253         if (SP_PARM) {
 254             _nc_keypad(SP_PARM, FALSE);
 255             _nc_flush();
 256             NC_BUFFERED(SP_PARM, FALSE);
 257         }
 258         rc = _nc_set_tty_mode(&termp->Ottyb);
 259 #endif
 260     }
 261     returnCode(rc);
 262 }
 263
 264 #if NCURSES_SP_FUNCS
 265 NCURSES_EXPORT(int)
 266 reset_shell_mode(void)
 267 {
 268     return NCURSES_SP_NAME(reset_shell_mode) (CURRENT_SCREEN);
 269 }
 270 #endif
 271
 272 static TTY *
 273 saved_tty(NCURSES_SP_DCL0)
 274 {
 275     TTY *result = 0;
 276
 277     if (SP_PARM != 0) {
 278         result = (TTY *) & (SP_PARM->_saved_tty);
 279     } else {
 280         if (_nc_prescreen.saved_tty == 0) {
 281             _nc_prescreen.saved_tty = typeCalloc(TTY, 1);
 282         }
 283         result = _nc_prescreen.saved_tty;
 284     }
 285     return result;
 286 }
 287
 288 /*
 289 **      savetty()  and  resetty()
 290 **
 291 */
 292
 293 NCURSES_EXPORT(int)
 294 NCURSES_SP_NAME(savetty) (NCURSES_SP_DCL0)
 295 {
 296     T((T_CALLED("savetty(%p)"), (void *) SP_PARM));
 297     returnCode(NCURSES_SP_NAME(_nc_get_tty_mode) (NCURSES_SP_ARGx saved_tty(NCURSES_SP_ARG)));
 298 }
 299
 300 #if NCURSES_SP_FUNCS
 301 NCURSES_EXPORT(int)
 302 savetty(void)
 303 {
 304     return NCURSES_SP_NAME(savetty) (CURRENT_SCREEN);
 305 }
 306 #endif
 307
 308 NCURSES_EXPORT(int)
 309 NCURSES_SP_NAME(resetty) (NCURSES_SP_DCL0)
 310 {
 311     T((T_CALLED("resetty(%p)"), (void *) SP_PARM));
 312     returnCode(NCURSES_SP_NAME(_nc_set_tty_mode) (NCURSES_SP_ARGx saved_tty(NCURSES_SP_ARG)));
 313 }
 314
 315 #if NCURSES_SP_FUNCS
 316 NCURSES_EXPORT(int)
 317 resetty(void)
 318 {
 319     return NCURSES_SP_NAME(resetty) (CURRENT_SCREEN);
 320 }
 321 #endif