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Allow a flag to convert ASCII DEL into Backspace

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This commit is contained in:
Paul LeoNerd Evans 2011-08-28 17:57:57 +01:00
parent 2638499648
commit 8793934328
4 changed files with 27 additions and 1 deletions
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18
t/20canon.c
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@ -9,7 +9,7 @@ int main(int argc, char *argv[])
#define CLEAR_KEY do { key.type = -1; key.code.codepoint = -1; key.modifiers = -1; key.utf8[0] = 0; } while(0)
plan_tests(18);
plan_tests(26);
tk = termkey_new(0, TERMKEY_FLAG_NOTERMIOS);
@ -45,6 +45,22 @@ int main(int argc, char *argv[])
is_int(key.modifiers, 0, "key.modifiers for Space/symbol");
is_str(endp, "", "consumed entire input for Space/symbol");
CLEAR_KEY;
endp = termkey_strpkey(tk, "DEL", &key, 0);
is_int(key.type, TERMKEY_TYPE_KEYSYM, "key.type for Del/unconverted");
is_int(key.code.sym, TERMKEY_SYM_DEL, "key.code.codepoint for Del/unconverted");
is_int(key.modifiers, 0, "key.modifiers for Del/unconverted");
is_str(endp, "", "consumed entire input for Del/unconverted");
termkey_set_canonflags(tk, termkey_get_canonflags(tk) | TERMKEY_CANON_DELBS);
CLEAR_KEY;
endp = termkey_strpkey(tk, "DEL", &key, 0);
is_int(key.type, TERMKEY_TYPE_KEYSYM, "key.type for Del/as-backspace");
is_int(key.code.sym, TERMKEY_SYM_BACKSPACE, "key.code.codepoint for Del/as-backspace");
is_int(key.modifiers, 0, "key.modifiers for Del/as-backspace");
is_str(endp, "", "consumed entire input for Del/as-backspace");
termkey_destroy(tk);
return exit_status();

6
termkey.c
View File

@ -610,6 +610,12 @@ void termkey_canonicalise(TermKey *tk, TermKeyKey *key)
fill_utf8(key);
}
}
if(flags & TERMKEY_CANON_DELBS) {
if(key->type == TERMKEY_TYPE_KEYSYM && key->code.sym == TERMKEY_SYM_DEL) {
key->code.sym = TERMKEY_SYM_BACKSPACE;
}
}
}
static TermKeyResult peekkey(TermKey *tk, TermKeyKey *key, int force, size_t *nbytep)

1
termkey.h.in
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@ -151,6 +151,7 @@ enum {
enum {
TERMKEY_CANON_SPACESYMBOL = 1 << 0, // Space is symbolic rather than Unicode
TERMKEY_CANON_DELBS = 1 << 1, // Del is converted to Backspace
};
void termkey_check_version(int major, int minor);

3
termkey_canonicalise.3
View File

@ -16,6 +16,9 @@ The canonicalisation operation is affected by the following flags:
.TP
.B TERMKEY_CANON_SPACESYMBOL
If this flag is set then a Unicode space character is represented using the \fBTERMKEY_SYM_SPACE\fP symbol. If this flag is not set, it is represented by the U+0020 Unicode codepoint.
.TP
.B TERMKEY_CANON_DELBS
If this flag is set then an ASCII DEL character is represented by the \fBTERMKEY_SYM_BACKSPACE\fP symbol. If not, it is represented by \fBTERMKEY_SYM_DEL\fP. An ASCII BS character is always represented by \fBTERMKEY_SYM_BACKSPACE\fP, regardless of this flag.
.SH "RETURN VALUE"
\fBtermkey_canonicalise\fP() returns no value.
.SH "SEE ALSO"