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tweaks: improve a comment, rename a function, and elide a parameter 

Checking the current menu instead of the current subwindow works fine.
master
Benno Schulenberg 2020-07-11 18:23:12 +02:00
parent 2e4d78a714
commit b3d6c27502
1 changed files with 8 additions and 11 deletions
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19
src/winio.c
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@ -1366,19 +1366,16 @@ long add_unicode_digit(int kbinput, long factor, long *uni)
return ERR;
}
/* Translate a Unicode sequence: turn a six-digit hexadecimal number
* (from 000000 to 10FFFF, case-insensitive) into its corresponding
* multibyte value. */
long get_unicode_kbinput(WINDOW *win, int kbinput)
/* For each consecutive call, gather the given digit into a six-digit Unicode
* (from 000000 to 10FFFF, case-insensitive). When it is complete, return the
* assembled Unicode; until then, return ERR when the given digit is valid. */
long assemble_unicode(int kbinput)
{
static int uni_digits = 0;
static long uni = 0;
long retval = ERR;
/* Increment the Unicode digit counter. */
uni_digits++;
switch (uni_digits) {
switch (++uni_digits) {
case 1:
/* The first digit must be zero or one. Put it in the
* 0x100000's position of the Unicode sequence holder.
@ -1416,7 +1413,7 @@ long get_unicode_kbinput(WINDOW *win, int kbinput)
}
/* Show feedback only when editing, not when at a prompt. */
if (retval == ERR && win == edit) {
if (retval == ERR && currmenu == MMAIN) {
char partial[7] = "......";
/* Construct the partial result, right-padding it with dots. */
@ -1491,7 +1488,7 @@ int *parse_verbatim_kbinput(WINDOW *win, size_t *count)
#ifdef ENABLE_UTF8
if (using_utf8()) {
/* Check whether the first code is a valid starter digit: 0 or 1. */
long unicode = get_unicode_kbinput(win, *kbinput);
long unicode = assemble_unicode(*kbinput);
/* If the first code isn't the digit 0 nor 1, put it back. */
if (unicode != ERR)
@ -1508,7 +1505,7 @@ int *parse_verbatim_kbinput(WINDOW *win, size_t *count)
free(kbinput);
while ((kbinput = get_input(win, 1)) == NULL)
;
unicode = get_unicode_kbinput(win, *kbinput);
unicode = assemble_unicode(*kbinput);
}
/* Convert the Unicode value to a multibyte sequence. */