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tweaks: reshuffle the zeroing of a counter, to allow some direct returns

master
Benno Schulenberg 2020-08-05 09:09:18 +02:00
parent 8b2114a25f
commit 54238a5c46
1 changed files with 12 additions and 9 deletions
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21
src/winio.c
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@ -935,15 +935,16 @@ int parse_kbinput(WINDOW *win)
retval = keycode;
break;
case 1:
escapes = 0;
if (keycode >= 0x80) {
#ifndef NANO_TINY
if (keycode == KEY_BACKSPACE)
retval = CONTROL_SHIFT_DELETE;
return CONTROL_SHIFT_DELETE;
else
#endif
retval = keycode;
} else if (keycode == '\t')
retval = SHIFT_TAB;
return SHIFT_TAB;
else if (key_buffer_len == 0 || *key_buffer == ESC_CODE ||
(keycode != 'O' && keycode != '[')) {
if (!solitary || (0x20 <= keycode && keycode <= 0x7E))
@ -953,9 +954,9 @@ int parse_kbinput(WINDOW *win)
/* One escape followed by a non-escape, and there
* are more codes waiting: escape sequence mode. */
retval = parse_escape_sequence(keycode);
escapes = 0;
break;
case 2:
escapes = 0;
if (keycode == '[' && key_buffer_len > 0 &&
(('A' <= *key_buffer && *key_buffer <= 'D') ||
('a' <= *key_buffer && *key_buffer <= 'd'))) {
@ -964,7 +965,6 @@ int parse_kbinput(WINDOW *win)
kbinput = get_input(win, 1);
keycode = *kbinput;
free(kbinput);
escapes = 0;
switch (keycode) {
case 'A': return KEY_HOME;
case 'B': return KEY_END;
@ -991,22 +991,26 @@ int parse_kbinput(WINDOW *win)
/* If the decimal byte value is not yet complete,
* return nothing; otherwise convert it and put the
* obtained byte(s) back into the input buffer. */
if (byte == PROCEED)
if (byte == PROCEED) {
escapes = 2;
return ERR;
}
#ifdef ENABLE_UTF8
else if (byte > 0x7F && using_utf8()) {
/* Convert the code to the corresponding Unicode. */
if (byte < 0xC0) {
put_back((unsigned char)byte);
put_back(0xC2);
return 0xC2;
} else {
put_back((unsigned char)(byte - 0x40));
put_back(0xC3);
return 0xC3;
}
}
#endif
else
else if (byte == '\t' || byte == DEL_CODE)
retval = byte;
else
return byte;
} else if (digit_count > 0) {
/* A non-digit in the middle of a byte sequence... */
retval = keycode;
@ -1015,7 +1019,6 @@ int parse_kbinput(WINDOW *win)
meta_key = TRUE;
} else
retval = convert_to_control(keycode);
escapes = 0;
break;
}