Fix showing DEL in the help

And in general fix all CTRL processing to handle the DEL character.
This commit is contained in:
Přemysl Eric Janouch 2020-10-08 13:25:00 +02:00
parent c18630295c
commit d2e4b91262
Signed by: p
GPG Key ID: A0420B94F92B9493

28
sdn.cpp
View File

@ -324,9 +324,9 @@ fun apply_attrs (const wstring &w, attr_t attrs) -> ncstring {
}
fun sanitize_char (chtype attrs, wchar_t c) -> ncstring {
if (c < 32)
if (c < 32 || c == 0x7f)
return {cchar (attrs | A_REVERSE, L'^'),
cchar (attrs | A_REVERSE, c + 64)};
cchar (attrs | A_REVERSE, (c + 64) & 0x7f)};
if (!iswprint (c))
return {cchar (attrs | A_REVERSE, L'?')};
return {cchar (attrs, c)};
@ -404,9 +404,9 @@ fun decode_attrs (const vector<string> &attrs) -> chtype {
// --- Application -------------------------------------------------------------
enum { ALT = 1 << 24, SYM = 1 << 25 }; // Outside the range of Unicode
enum { ALT = 1 << 24, SYM = 1 << 25 }; // Outside the range of Unicode
#define KEY(name) (SYM | KEY_ ## name)
#define CTRL 31 &
#define CTRL(char) ((char - 64) & 0x7f) // 60..7f aren't translated correctly
#define ACTIONS(XX) XX(NONE) XX(HELP) XX(QUIT) XX(QUIT_NO_CHDIR) \
XX(CHOOSE) XX(CHOOSE_FULL) XX(VIEW) XX(EDIT) XX(SORT_LEFT) XX(SORT_RIGHT) \
@ -433,25 +433,25 @@ static map<wint_t, action> g_normal_actions {
// M-o ought to be the same shortcut the navigator is launched with
{ALT | 'o', ACTION_QUIT},
{'<', ACTION_SORT_LEFT}, {'>', ACTION_SORT_RIGHT},
{'k', ACTION_UP}, {CTRL 'p', ACTION_UP}, {KEY (UP), ACTION_UP},
{'j', ACTION_DOWN}, {CTRL 'n', ACTION_DOWN}, {KEY (DOWN), ACTION_DOWN},
{'k', ACTION_UP}, {CTRL ('P'), ACTION_UP}, {KEY (UP), ACTION_UP},
{'j', ACTION_DOWN}, {CTRL ('N'), ACTION_DOWN}, {KEY (DOWN), ACTION_DOWN},
{'g', ACTION_TOP}, {ALT | '<', ACTION_TOP}, {KEY (HOME), ACTION_TOP},
{'G', ACTION_BOTTOM}, {ALT | '>', ACTION_BOTTOM}, {KEY(END), ACTION_BOTTOM},
{'H', ACTION_HIGH}, {'M', ACTION_MIDDLE}, {'L', ACTION_LOW},
{KEY (PPAGE), ACTION_PAGE_PREVIOUS}, {KEY (NPAGE), ACTION_PAGE_NEXT},
{CTRL 'y', ACTION_SCROLL_UP}, {CTRL 'e', ACTION_SCROLL_DOWN},
{CTRL ('Y'), ACTION_SCROLL_UP}, {CTRL ('E'), ACTION_SCROLL_DOWN},
{'c', ACTION_CHDIR}, {'&', ACTION_GO_START}, {'~', ACTION_GO_HOME},
{'/', ACTION_SEARCH}, {'s', ACTION_SEARCH},
{ALT | 'e', ACTION_RENAME_PREFILL}, {'e', ACTION_RENAME},
{'t', ACTION_TOGGLE_FULL}, {ALT | 't', ACTION_TOGGLE_FULL},
{'R', ACTION_REVERSE_SORT}, {ALT | '.', ACTION_SHOW_HIDDEN},
{CTRL 'L', ACTION_REDRAW}, {'r', ACTION_RELOAD},
{CTRL ('L'), ACTION_REDRAW}, {'r', ACTION_RELOAD},
};
static map<wint_t, action> g_input_actions {
{27, ACTION_INPUT_ABORT}, {CTRL 'g', ACTION_INPUT_ABORT},
{27, ACTION_INPUT_ABORT}, {CTRL ('G'), ACTION_INPUT_ABORT},
{L'\r', ACTION_INPUT_CONFIRM}, {KEY (ENTER), ACTION_INPUT_CONFIRM},
// Sometimes terminfo is wrong, we need to accept both of these
{L'\b', ACTION_INPUT_B_DELETE}, {L'\177', ACTION_INPUT_B_DELETE},
{L'\b', ACTION_INPUT_B_DELETE}, {CTRL ('?'), ACTION_INPUT_B_DELETE},
{KEY (BACKSPACE), ACTION_INPUT_B_DELETE},
};
static const map<string, map<wint_t, action>*> g_binding_contexts {
@ -950,8 +950,8 @@ fun encode_key (wint_t key) -> string {
wchar_t bare = key & ~ALT;
if (g.key_to_name.count (bare))
encoded.append (capitalize (g.key_to_name.at (bare)));
else if (bare < 32)
encoded.append ("C-").append ({char (tolower (bare + 64))});
else if (bare < 32 || bare == 0x7f)
encoded.append ("C-").append ({char (tolower ((bare + 64) & 0x7f))});
else
encoded.append (to_mb ({bare}));
return encoded;
@ -1501,11 +1501,11 @@ fun parse_key (const string &key_name) -> wint_t {
}
if (!strncmp (p, "C-", 2)) {
p += 2;
if (*p < 32) {
if (*p < '?' || *p > 'z') {
cerr << "bindings: invalid combination: " << key_name << endl;
return WEOF;
}
c |= CTRL *p;
c |= CTRL (toupper (*p));
p += 1;
} else if (g.name_to_key.count (p)) {
return c | g.name_to_key.at (p);