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Remeber to handle Esc-prefixed keypresses in base getkey_simple() function - involves some code duplication with CSI driver currently

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Paul LeoNerd Evans 2008-11-02 14:54:33 +00:00
parent 62d4e7eccb
commit 1d4d908cb8
1 changed files with 36 additions and 1 deletions
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37
termkey.c
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@ -351,7 +351,42 @@ static termkey_result getkey_simple(termkey_t *tk, termkey_key *key, int force)
{
unsigned char b0 = CHARAT(0);
if(b0 < 0xa0) {
if(b0 == 0x1b) {
// Escape-prefixed value? Might therefore be Alt+key
if(tk->buffcount == 1) {
// This might be an <Esc> press, or it may want to be part of a longer
// sequence
if(!force)
return TERMKEY_RES_AGAIN;
(*tk->method.emit_codepoint)(tk, b0, key);
(*tk->method.eat_bytes)(tk, 1);
return TERMKEY_RES_KEY;
}
// Try another key there
tk->buffstart++;
// Run the full driver
termkey_result metakey_result = (*tk->driver.getkey)(tk, key, force);
switch(metakey_result) {
case TERMKEY_RES_KEY:
key->modifiers |= TERMKEY_KEYMOD_ALT;
tk->buffstart--;
(*tk->method.eat_bytes)(tk, 1);
break;
case TERMKEY_RES_NONE:
case TERMKEY_RES_EOF:
case TERMKEY_RES_AGAIN:
tk->buffstart--;
break;
}
return metakey_result;
}
else if(b0 < 0xa0) {
// Single byte C0, G0 or C1 - C1 is never UTF-8 initial byte
(*tk->method.emit_codepoint)(tk, b0, key);
(*tk->method.eat_bytes)(tk, 1);