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kitty kbd: add flag state, implement push/pop/update/query

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Daniel Eklöf 2021-11-16 16:32:58 +01:00
parent 2fe2dfa847
commit fec42e5941
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GPG key ID: 5BBD4992C116573F
3 changed files with 110 additions and 0 deletions
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91
csi.c
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@ -1444,6 +1444,16 @@ csi_dispatch(struct terminal *term, uint8_t final)
break;
}
case 'u': {
enum kitty_kbd_flags flags =
term->grid->kitty_kbd.flags[term->grid->kitty_kbd.idx];
char reply[8];
int chars = snprintf(reply, sizeof(reply), "\033[?%uu", flags);
term_to_slave(term, reply, chars);
break;
}
default:
UNHANDLED();
break;
@ -1532,6 +1542,26 @@ csi_dispatch(struct terminal *term, uint8_t final)
}
break; /* final == 'm' */
case 'u': {
int flags = vt_param_get(term, 0, 0) & KITTY_KBD_MASK;
struct grid *grid = term->grid;
uint8_t idx = grid->kitty_kbd.idx;
if (idx + 1 >= ALEN(grid->kitty_kbd.flags)) {
/* Stack full, evict oldest by wrapping around */
idx = 0;
} else
idx++;
grid->kitty_kbd.flags[idx] = flags;
grid->kitty_kbd.idx = idx;
xassert(grid->kitty_kbd.idx < ALEN(grid->kitty_kbd.flags));
LOG_DBG("kitty kbd: pushed new mode: 0x%03x", flags);
break;
}
case 'q': {
/* XTVERSION */
if (vt_param_get(term, 0, 0) != 0) {
@ -1556,6 +1586,37 @@ csi_dispatch(struct terminal *term, uint8_t final)
break; /* private[0] == '>' */
}
case '<': {
switch (final) {
case 'u': {
int count = vt_param_get(term, 0, 1);
LOG_DBG("kitty kbd: popping %d levels of flags", count);
struct grid *grid = term->grid;
uint8_t idx = grid->kitty_kbd.idx;
for (int i = 0; i < count; i++) {
/* Reset flags. This ensures we get flags=0 when
* over-popping */
grid->kitty_kbd.flags[idx] = 0;
if (idx == 0)
idx = ALEN(grid->kitty_kbd.flags) - 1;
else
idx--;
}
grid->kitty_kbd.idx = idx;
xassert(grid->kitty_kbd.idx < ALEN(grid->kitty_kbd.flags));
LOG_DBG("kitty kbd: mode after pop: 0x%03x",
term->grid->kitty_kbd.flags[idx]);
break;
}
}
break; /* private[0] == ‘<’ */
}
case ' ': {
switch (final) {
case 'q': {
@ -1633,6 +1694,36 @@ csi_dispatch(struct terminal *term, uint8_t final)
term_to_slave(term, "\033P!|464f4f54\033\\", 14); /* FOOT */
break;
case 'u': {
int flag_set = vt_param_get(term, 0, 0) & KITTY_KBD_MASK;
int mode = vt_param_get(term, 1, 1);
struct grid *grid = term->grid;
uint8_t idx = grid->kitty_kbd.idx;
switch (mode) {
case 1:
/* set bits are set, unset bits are reset */
grid->kitty_kbd.flags[idx] = flag_set;
break;
case 2:
/* set bits are set, unset bits are left unchanged */
grid->kitty_kbd.flags[idx] |= flag_set;
break;
case 3:
/* set bits are reset, unset bits are left unchanged */
grid->kitty_kbd.flags[idx] &= ~flag_set;
break;
default:
UNHANDLED();
break;
}
break;
}
default:
UNHANDLED();
break;