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Make ASCII NUL imply Ctrl-Space instead of C-@ 

Seems mostly arbitrary.
This commit is contained in:
Přemysl Eric Janouch 2016-07-24 00:41:49 +02:00
parent 9b7c801c37
commit 9ec09b90c9
Signed by: p
GPG Key ID: B715679E3A361BE6
2 changed files with 19 additions and 2 deletions
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10
termo.c
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@ -778,7 +778,15 @@ parse_multibyte (termo_t *tk, const unsigned char *bytes, size_t len,
static void
emit_codepoint (termo_t *tk, uint32_t codepoint, termo_key_t *key)
{
if (codepoint < 0x20)
if (codepoint == 0)
{
// ASCII NUL = Ctrl-Space as well as Ctrl-@ but let's prefer
// the former to follow the behaviour of libtermkey
key->type = TERMO_TYPE_KEYSYM;
key->code.sym = TERMO_SYM_SPACE;
key->modifiers = TERMO_KEYMOD_CTRL;
}
else if (codepoint < 0x20)
{
// C0 range
key->code.codepoint = 0;

11
tests/02getkey.c
View File

@ -7,7 +7,7 @@ main (int argc, char *argv[])
termo_t *tk;
termo_key_t key;
plan_tests (38);
plan_tests (42);
tk = termo_new_abstract ("vt100", NULL, 0);
@ -86,6 +86,15 @@ main (int argc, char *argv[])
is_int (key.modifiers, TERMO_KEYMOD_CTRL,
"key.modifiers after Ctrl-Escape");
termo_push_bytes (tk, "\0", 1);
is_int (termo_getkey (tk, &key), TERMO_RES_KEY,
"getkey yields RES_KEY after Ctrl-Space");
is_int (key.type, TERMO_TYPE_KEY, "key.type after Ctrl-Space");
is_int (key.code.codepoint, ' ', "key.code.codepoint after Ctrl-Space");
is_int (key.modifiers, TERMO_KEYMOD_CTRL, "key.modifiers after Ctrl-Space");
// Escape key in various amounts
termo_push_bytes (tk, "\x1b\x1b", 2);