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input: simplify a bit of code, reducing a four-case switch to a single if

master
Benno Schulenberg 2016-05-05 13:17:05 +02:00
parent 97e9849d6c
commit a7c158d07d
1 changed files with 4 additions and 13 deletions
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17
src/winio.c
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@ -346,19 +346,10 @@ int parse_kbinput(WINDOW *win)
case NANO_CONTROL_3: case NANO_CONTROL_3:
/* Increment the escape counter. */ /* Increment the escape counter. */
escapes++; escapes++;
switch (escapes) { /* If there are four consecutive escapes, discard three of them. */
case 1: if (escapes > 3)
/* One escape: wait for more input. */ escapes = 1;
case 2: /* Wait for more input. */
/* Two escapes: wait for more input. */
case 3:
/* Three escapes: wait for more input. */
break;
default:
/* More than three escapes: limit the escape counter
* to no more than two, and wait for more input. */
escapes %= 3;
}
break; break;
default: default:
switch (escapes) { switch (escapes) {