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Add backspacing to prompt

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Hadeed 2023-09-11 10:07:48 +05:00
parent 697a764ae8
commit bb637bab94
2 changed files with 21 additions and 10 deletions
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1
src/input.c
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@ -31,6 +31,7 @@ void input_process_key(KEY c) {
break; break;
case CTRL_KEY('L'): case CTRL_KEY('L'):
case ESCAPE:
case NOP: case NOP:
break; break;

30
src/kilo.c
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@ -71,17 +71,27 @@ char *editor_prompt(const char *prompt) {
ui_draw_screen(); ui_draw_screen();
KEY key = terminal_read_key(); KEY key = terminal_read_key();
if (key == ESCAPE) goto failure; switch (key) {
else if (key == ENTER) { case BACKSPACE:
if (buf_size > 0) goto success; if (buf_size > 0)
else goto failure; buf[--buf_size] = '\0';
} else if (isprint(key)) { break;
if (buf_size + 1 >= buf_cap) case ENTER:
buf = realloc(buf, buf_cap *= 2); if (buf_size > 0) goto success;
else goto failure;
break;
case ESCAPE:
goto failure;
break;
default:
if (isprint(key)) {
if (buf_size + 1 >= buf_cap)
buf = realloc(buf, buf_cap *= 2);
buf[buf_size] = key; buf[buf_size] = key;
buf_size++; buf_size++;
buf[buf_size] = '\0'; buf[buf_size] = '\0';
}
} }
} }