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start adding multibyte/wide character support to the help browser code 

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@2327 35c25a1d-7b9e-4130-9fde-d3aeb78583b8
This commit is contained in:
David Lawrence Ramsey 2005-02-25 19:17:57 +00:00
parent 0c23aed600
commit b6e79fddaf
2 changed files with 49 additions and 14 deletions
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4
ChangeLog
View File

@ -140,7 +140,7 @@ CVS code -
supposed to return void anyway. Also, the value of RETSIGTYPE
is sometimes misdetected as int, leading to compilation
warnings or errors. Changes to cancel_fork(),
handle_hipterm(), do_suspend(), and do_cont(). (David
handle_hupterm(), do_suspend(), and do_cont(). (David
Benbennick)
- Change flags to an unsigned long, and totsize to a size_t.
(DLR)
@ -161,6 +161,8 @@ CVS code -
routine to get the current user's home directory into the new
function get_homedir(), and use it where necessary. Also add
a few miscellaneous tweaks.
- Still more steps toward multibyte/wide character support.
Changes to help_init(). (DLR)
- cut.c:
do_cut_text()
- If keep_cutbuffer is FALSE, only blow away the text in the

59
src/nano.c
View File

@ -270,6 +270,11 @@ void help_init(void)
const shortcut *s;
#ifndef NANO_SMALL
const toggle *t;
#ifdef ENABLE_NANORC
bool old_whitespace = ISSET(WHITESPACE_DISPLAY);
UNSET(WHITESPACE_DISPLAY);
#endif
#endif
/* First, set up the initial help text for the current function. */
@ -394,10 +399,10 @@ void help_init(void)
* Each line has "M-%c\t\t\t", which fills 24 columns, plus a space,
* plus translated text, plus '\n'. */
if (currshortcut == main_list) {
size_t endislen = strlen(_("enable/disable"));
size_t endis_len = strlen(_("enable/disable"));
for (t = toggles; t != NULL; t = t->next)
allocsize += 8 + strlen(t->desc) + endislen;
allocsize += 8 + strlen(t->desc) + endis_len;
}
#endif
@ -424,13 +429,22 @@ void help_init(void)
if (s->ctrlval != NANO_NO_KEY) {
entries++;
#ifndef NANO_SMALL
if (s->ctrlval == NANO_HISTORY_KEY)
ptr += sprintf(ptr, "%.7s", _("Up"));
else
if (s->ctrlval == NANO_HISTORY_KEY) {
char *up_ptr = display_string(_("Up"), 0, 7, FALSE);
ptr += sprintf(ptr, "%s", up_ptr);
free(up_ptr);
} else
#endif
if (s->ctrlval == NANO_CONTROL_SPACE)
ptr += sprintf(ptr, "^%.6s", _("Space"));
else if (s->ctrlval == NANO_CONTROL_8)
if (s->ctrlval == NANO_CONTROL_SPACE) {
char *space_ptr = display_string(_("Space"), 0, 6,
FALSE);
ptr += sprintf(ptr, "^%s", space_ptr);
free(space_ptr);
} else if (s->ctrlval == NANO_CONTROL_8)
ptr += sprintf(ptr, "^?");
else
ptr += sprintf(ptr, "^%c", s->ctrlval + 64);
@ -459,9 +473,14 @@ void help_init(void)
}
/* If the primary meta key sequence is the first entry,
* don't put parentheses around it. */
if (entries == 1 && s->metaval == NANO_ALT_SPACE)
ptr += sprintf(ptr, "M-%.5s", _("Space"));
else
if (entries == 1 && s->metaval == NANO_ALT_SPACE) {
char *space_ptr = display_string(_("Space"), 0, 5,
FALSE);
ptr += sprintf(ptr, "M-%s", space_ptr);
free(space_ptr);
} else
ptr += sprintf(ptr, entries == 1 ? "M-%c" : "(M-%c)",
toupper(s->metaval));
*(ptr++) = '\t';
@ -486,7 +505,16 @@ void help_init(void)
}
assert(s->help != NULL);
ptr += sprintf(ptr, "%.*s\n", COLS > 24 ? COLS - 24 : 0, s->help);
if (COLS > 24) {
char *help_ptr = display_string(s->help, 0, COLS - 24,
FALSE);
ptr += sprintf(ptr, help_ptr);
free(help_ptr);
}
ptr += sprintf(ptr, "\n");
}
#ifndef NANO_SMALL
@ -498,7 +526,12 @@ void help_init(void)
t->desc, _("enable/disable"));
}
}
#endif /* !NANO_SMALL */
#ifdef ENABLE_NANORC
if (old_whitespace)
SET(WHITESPACE_DISPLAY);
#endif
#endif
/* If all went well, we didn't overwrite the allocated space for
* help_text. */