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- Add in Pico's -p flag, (-p, --preserve). To preserve the XON and XOFF keys (^Q and ^S). Add warning if we invoke -p and add checks for using --preserve (to skip warning) and --pico (to force showing it). New flag PRESERVE, function do_preserve_msg(), changes to main(), signal_init()
git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@1340 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
This commit is contained in:
Chris Allegretta
parent
37d594c1bd
commit
6cd143db7a
@ -6,6 +6,11 @@ Changes
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being incompatible with pico. Removed all code for different
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search/replace string editing and alternate shortcut list. I'm sure
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I won't even have to ask for feedback on this one :-)
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- Add in Pico's -p flag, (-p, --preserve). To preserve the XON and XOFF
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keys (^Q and ^S). Add warning if we invoke -p and add checks for
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using --preserve (to skip warning) and --pico (to force showing it).
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New flag PRESERVE, function do_preserve_msg(), changes to main(),
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signal_init().
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- Search history and replace history up/down cursor arrows, w/history
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tab completion, not available w/NANO_SMALL. Changes to
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statusq, others (Ken Tyler). Added shortcut to search/replace
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38
nano.c
38
nano.c
@ -657,6 +657,7 @@ void usage(void)
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#ifndef DISABLE_OPERATINGDIR
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print1opt(_("-o [dir]"), _("--operatingdir=[dir]"), _("Set operating directory"));
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#endif
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print1opt(_("-p"), _("--preserve"), _("Preserve XON (^Q) and XOFF (^S) keys"));
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#ifndef DISABLE_WRAPJUSTIFY
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print1opt(_("-r [#cols]"), _("--fill=[#cols]"), _("Set fill cols to (wrap lines at) #cols"));
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#endif
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@ -759,11 +760,20 @@ void nano_disabled_msg(void)
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}
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#endif
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void do_preserve_msg(void)
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{
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fprintf(stderr, _("\nThe -p flag now invokes the Pico \"preserve\" flag. The Pico compatibility\n"));
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fprintf(stderr, _("flag been removed as nano is now fully Pico compatible. Please see the nano\n"));
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fprintf(stderr, _("FAQ for more info on this change...\n\n"));
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fprintf(stderr, _("Press return to continue\n"));
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while (getchar() != '\n');
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}
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#ifndef NANO_SMALL
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static int pid; /* This is the PID of the newly forked process
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* below. It must be global since the signal
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* handler needs it. */
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RETSIGTYPE cancel_fork(int signal)
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{
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if (kill(pid, SIGKILL) == -1)
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@ -2754,9 +2764,11 @@ void signal_init(void)
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#ifdef _POSIX_VDISABLE
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tcgetattr(0, &term);
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/* Ignore ^S, much to Chris' chagrin */
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term.c_cc[VSTOP] = _POSIX_VDISABLE;
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if (!ISSET(PRESERVE)) {
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/* Ignore ^S and ^Q, much to Chris' chagrin */
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term.c_cc[VSTOP] = _POSIX_VDISABLE;
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term.c_cc[VSTART] = _POSIX_VDISABLE;
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}
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#ifdef VDSUSP
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term.c_cc[VDSUSP] = _POSIX_VDISABLE;
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#endif /* VDSUSP */
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@ -2998,6 +3010,9 @@ int main(int argc, char *argv[])
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int keyhandled; /* Have we handled the keystroke yet? */
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int modify_control_seq;
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const shortcut *s;
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#ifdef HAVE_GETOPT_LONG
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int preserveopt = 0; /* Did the cmdline include --preserve? */
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#endif
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#ifndef NANO_SMALL
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const toggle *t;
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#endif
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@ -3036,6 +3051,7 @@ int main(int argc, char *argv[])
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#ifndef DISABLE_OPERATINGDIR
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{"operatingdir", 1, 0, 'o'},
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#endif
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{"preserve", 0, 0, 'p'},
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#ifndef DISABLE_WRAPJUSTIFY
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{"fill", 1, 0, 'r'},
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#endif
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@ -3074,7 +3090,8 @@ int main(int argc, char *argv[])
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first, so that it's handled before we call do_rcfile() and
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read the other options; don't use getopt()/getopt_long()
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here, because there's no way to reset it properly
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afterward */
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afterward. Also check for the --preserve flag, and report
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error if people are still using --pico. */
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int i;
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for (i = 1; i < argc; i++) {
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if (!strcmp(argv[i], "--"))
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@ -3084,6 +3101,10 @@ int main(int argc, char *argv[])
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#ifdef HAVE_GETOPT_LONG
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else if (!strcmp(argv[i], "--ignorercfiles"))
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SET(NO_RCFILE);
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else if (!strcmp(argv[i], "--preserve"))
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preserveopt = 1;
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else if (!strcmp(argv[i], "--pico"))
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do_preserve_msg();
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#endif
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}
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}
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@ -3216,6 +3237,11 @@ int main(int argc, char *argv[])
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break;
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#endif
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case 'p':
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SET(PRESERVE);
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#ifdef HAVE_GETOPT_LONG
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if (!preserveopt)
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do_preserve_msg();
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#endif
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break;
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#ifndef DISABLE_WRAPJUSTIFY
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case 'r':
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@ -3608,6 +3634,8 @@ int main(int argc, char *argv[])
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/* Don't even think about changing this string */
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if (kbinput == 19)
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statusbar(_("XOFF ignored, mumble mumble."));
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if (kbinput == 17)
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statusbar(_("XON ignored, mumble mumble."));
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#endif
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/* If we're in raw mode or using Alt-Alt-x, we have to catch
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Control-S and Control-Q */
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