static void
edition_pre_exec (void)
{
if (clear_before_exec)
clr_scr ();
else
{
if (!(mc_global.tty.console_flag != '\0' || mc_global.tty.xterm_flag))
printf ("\n\n");
}
channels_down ();
disable_mouse ();
disable_bracketed_paste ();
tty_reset_shell_mode ();
tty_keypad (FALSE);
tty_reset_screen ();
numeric_keypad_mode ();
/* on xterms: maybe endwin did not leave the terminal on the shell
* screen page: do it now.
*
* Do not move this before endwin: in some systems rmcup includes
* a call to clear screen, so it will end up clearing the shell screen.
*/
do_exit_ca_mode ();
}
void
tty_shutdown (void)
{
tty_reset_shell_mode ();
tty_noraw_mode ();
tty_keypad (FALSE);
tty_reset_screen ();
tty_exit_ca_mode ();
}
void
tty_shutdown (void)
{
disable_mouse ();
tty_reset_shell_mode ();
tty_noraw_mode ();
tty_keypad (FALSE);
tty_reset_screen ();
do_exit_ca_mode ();
}
void
tty_change_screen_size (void)
{
SLtt_get_screen_size ();
SLsmg_reinit_smg ();
do_enter_ca_mode ();
tty_keypad (TRUE);
tty_nodelay (FALSE);
}
static void
edition_post_exec (void)
{
do_enter_ca_mode ();
/* FIXME: Missing on slang endwin? */
tty_reset_prog_mode ();
tty_flush_input ();
tty_keypad (TRUE);
tty_raw_mode ();
channels_up ();
enable_mouse ();
enable_bracketed_paste ();
if (mc_global.tty.alternate_plus_minus)
application_keypad_mode ();
}
void
tty_shutdown (void)
{
char *op_cap;
disable_mouse ();
tty_reset_shell_mode ();
tty_noraw_mode ();
tty_keypad (FALSE);
tty_reset_screen ();
do_exit_ca_mode ();
SLang_reset_tty ();
/* Load the op capability to reset the colors to those that were
* active when the program was started up
*/
op_cap = SLtt_tgetstr ((char *) "op");
if (op_cap != NULL)
{
fputs (op_cap, stdout);
fflush (stdout);
}
}
void
dialog_change_screen_size (void)
{
mc_global.tty.winch_flag = FALSE;
#if defined(HAVE_SLANG) || NCURSES_VERSION_MAJOR >= 4
#if defined TIOCGWINSZ
#ifndef NCURSES_VERSION
tty_noraw_mode ();
tty_reset_screen ();
#endif
tty_change_screen_size ();
#ifdef HAVE_SLANG
/* XSI Curses spec states that portable applications shall not invoke
* initscr() more than once. This kludge could be done within the scope
* of the specification by using endwin followed by a refresh (in fact,
* more than one curses implementation does this); it is guaranteed to work
* only with slang.
*/
SLsmg_init_smg ();
do_enter_ca_mode ();
tty_keypad (TRUE);
tty_nodelay (FALSE);
#endif
/* Inform all suspending dialogs */
dialog_switch_got_winch ();
/* Inform all running dialogs */
g_list_foreach (top_dlg, (GFunc) dlg_resize_cb, NULL);
/* Now, force the redraw */
repaint_screen ();
#endif /* TIOCGWINSZ */
#endif /* defined(HAVE_SLANG) || NCURSES_VERSION_MAJOR >= 4 */
}
void
tty_init (gboolean mouse_enable, gboolean is_xterm)
{
SLtt_Ignore_Beep = 1;
SLutf8_enable (-1); /* has to be called first before any of the other functions. */
SLtt_get_terminfo ();
/*
* If the terminal in not in terminfo but begins with a well-known
* string such as "linux" or "xterm" S-Lang will go on, but the
* terminal size and several other variables won't be initialized
* (as of S-Lang 1.4.4). Detect it and abort. Also detect extremely
* small, large and negative screen dimensions.
*/
if ((COLS < 10) || (LINES < 5)
|| (COLS > SLTT_MAX_SCREEN_COLS) || (LINES > SLTT_MAX_SCREEN_ROWS))
{
fprintf (stderr,
_("Screen size %dx%d is not supported.\n"
"Check the TERM environment variable.\n"), COLS, LINES);
exit (EXIT_FAILURE);
}
tcgetattr (fileno (stdin), &boot_mode);
/* 255 = ignore abort char; XCTRL('g') for abort char = ^g */
SLang_init_tty (XCTRL ('g'), 1, 0);
if (mc_global.tty.ugly_line_drawing)
SLtt_Has_Alt_Charset = 0;
/* If SLang uses fileno(stderr) for terminal input MC will hang
if we call SLang_getkey between calls to open_error_pipe and
close_error_pipe, e.g. when we do a growing view of an gzipped
file. */
if (SLang_TT_Read_FD == fileno (stderr))
SLang_TT_Read_FD = fileno (stdin);
if (tcgetattr (SLang_TT_Read_FD, &new_mode) == 0)
{
#ifdef VDSUSP
new_mode.c_cc[VDSUSP] = NULL_VALUE; /* to ignore ^Y */
#endif
#ifdef VLNEXT
new_mode.c_cc[VLNEXT] = NULL_VALUE; /* to ignore ^V */
#endif
tcsetattr (SLang_TT_Read_FD, TCSADRAIN, &new_mode);
}
tty_reset_prog_mode ();
load_terminfo_keys ();
SLtt_Blink_Mode = tty_use_256colors ()? 1 : 0;
tty_start_interrupt_key ();
/* It's the small part from the previous init_key() */
init_key_input_fd ();
/* For 8-bit locales, NCurses handles 154 (0x9A) symbol properly, while S-Lang
* requires SLsmg_Display_Eight_Bit >= 154 (OR manual filtering if xterm display
* detected - but checking TERM would fail under screen, OR running xterm
* with allowC1Printable).
*/
tty_display_8bit (FALSE);
SLsmg_init_smg ();
if (!mouse_enable)
use_mouse_p = MOUSE_DISABLED;
tty_init_xterm_support (is_xterm); /* do it before do_enter_ca_mode() call */
init_mouse ();
do_enter_ca_mode ();
tty_keypad (TRUE);
tty_nodelay (FALSE);
tty_setup_sigwinch (sigwinch_handler);
}
void
toggle_panels (void)
{
#ifdef ENABLE_SUBSHELL
vfs_path_t *new_dir_vpath = NULL;
#endif /* ENABLE_SUBSHELL */
SIG_ATOMIC_VOLATILE_T was_sigwinch = 0;
channels_down ();
disable_mouse ();
disable_bracketed_paste ();
if (clear_before_exec)
clr_scr ();
if (mc_global.tty.alternate_plus_minus)
numeric_keypad_mode ();
#ifndef HAVE_SLANG
/* With slang we don't want any of this, since there
* is no raw_mode supported
*/
tty_reset_shell_mode ();
#endif /* !HAVE_SLANG */
tty_noecho ();
tty_keypad (FALSE);
tty_reset_screen ();
do_exit_ca_mode ();
tty_raw_mode ();
if (mc_global.tty.console_flag != '\0')
handle_console (CONSOLE_RESTORE);
#ifdef ENABLE_SUBSHELL
if (mc_global.tty.use_subshell)
{
vfs_path_t **new_dir_p;
new_dir_p = vfs_current_is_local ()? &new_dir_vpath : NULL;
invoke_subshell (NULL, VISIBLY, new_dir_p);
}
else
#endif /* ENABLE_SUBSHELL */
{
if (output_starts_shell)
{
fprintf (stderr, _("Type 'exit' to return to the Midnight Commander"));
fprintf (stderr, "\n\r\n\r");
my_system (EXECUTE_INTERNAL, mc_global.tty.shell, NULL);
}
else
get_key_code (0);
}
if (mc_global.tty.console_flag != '\0')
handle_console (CONSOLE_SAVE);
do_enter_ca_mode ();
tty_reset_prog_mode ();
tty_keypad (TRUE);
/* Prevent screen flash when user did 'exit' or 'logout' within
subshell */
if ((quit & SUBSHELL_EXIT) != 0)
{
/* User did 'exit' or 'logout': quit MC */
if (quiet_quit_cmd ())
return;
quit = 0;
#ifdef ENABLE_SUBSHELL
/* restart subshell */
if (mc_global.tty.use_subshell)
init_subshell ();
#endif /* ENABLE_SUBSHELL */
}
enable_mouse ();
enable_bracketed_paste ();
channels_up ();
if (mc_global.tty.alternate_plus_minus)
application_keypad_mode ();
/* HACK:
* Save sigwinch flag that will be reset in mc_refresh() called via update_panels().
* There is some problem with screen redraw in ncurses-based mc in this situation.
*/
was_sigwinch = mc_global.tty.winch_flag;
mc_global.tty.winch_flag = 0;
#ifdef ENABLE_SUBSHELL
if (mc_global.tty.use_subshell)
{
do_load_prompt ();
if (new_dir_vpath != NULL)
do_possible_cd (new_dir_vpath);
if (mc_global.tty.console_flag != '\0' && output_lines)
show_console_contents (output_start_y,
LINES - mc_global.keybar_visible - output_lines -
1, LINES - mc_global.keybar_visible - 1);
}
vfs_path_free (new_dir_vpath);
#endif /* ENABLE_SUBSHELL */
if (mc_global.mc_run_mode == MC_RUN_FULL)
{
update_panels (UP_OPTIMIZE, UP_KEEPSEL);
update_xterm_title_path ();
}
if (was_sigwinch != 0 || mc_global.tty.winch_flag != 0)
dialog_change_screen_size ();
else
repaint_screen ();
}
