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Neater implementation of key modifier names for strfkey; put them in a little table

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This commit is contained in:
Paul LeoNerd Evans 2011-04-01 00:26:02 +01:00
parent f1b3dff4c2
commit ee69b33c49
1 changed files with 15 additions and 7 deletions
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22
termkey.c
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@ -950,12 +950,23 @@ size_t termkey_snprint_key(TermKey *tk, char *buffer, size_t len, TermKeyKey *ke
return termkey_strfkey(tk, buffer, len, key, format);
}
struct modnames {
const char *shift, *alt, *ctrl;
}
modnames[] = {
{ "S", "A", "C" }, // 0
{ "Shift", "Alt", "Ctrl" }, // LONGMOD
{ "S", "M", "C" }, // ALTISMETA
{ "Shift", "Meta", "Ctrl" }, // ALTISMETA+LONGMOD
};
size_t termkey_strfkey(TermKey *tk, char *buffer, size_t len, TermKeyKey *key, TermKeyFormat format)
{
size_t pos = 0;
size_t l = 0;
int longmod = format & TERMKEY_FORMAT_LONGMOD;
struct modnames *mods = &modnames[!!(format & TERMKEY_FORMAT_LONGMOD) +
!!(format & TERMKEY_FORMAT_ALTISMETA) * 2];
int wrapbracket = (format & TERMKEY_FORMAT_WRAPBRACKET) &&
(key->type != TERMKEY_TYPE_UNICODE || key->modifiers != 0);
@ -988,22 +999,19 @@ size_t termkey_strfkey(TermKey *tk, char *buffer, size_t len, TermKeyKey *key, T
}
if(key->modifiers & TERMKEY_KEYMOD_ALT) {
int altismeta = format & TERMKEY_FORMAT_ALTISMETA;
l = snprintf(buffer + pos, len - pos, longmod ? ( altismeta ? "Meta-" : "Alt-" )
: ( altismeta ? "M-" : "A-" ));
l = snprintf(buffer + pos, len - pos, "%s-", mods->alt);
if(l <= 0) return pos;
pos += l;
}
if(key->modifiers & TERMKEY_KEYMOD_CTRL) {
l = snprintf(buffer + pos, len - pos, longmod ? "Ctrl-" : "C-");
l = snprintf(buffer + pos, len - pos, "%s-", mods->ctrl);
if(l <= 0) return pos;
pos += l;
}
if(key->modifiers & TERMKEY_KEYMOD_SHIFT) {
l = snprintf(buffer + pos, len - pos, longmod ? "Shift-" : "S-");
l = snprintf(buffer + pos, len - pos, "%s-", mods->shift);
if(l <= 0) return pos;
pos += l;
}