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input: generate escape sequences for "other" keys

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This corresponds to xterm's modifyOtherKeys option, though the code
needs more testing and cleanup.
This commit is contained in:
Daniel Eklöf 2019-07-26 18:49:09 +02:00
parent e88cf4c8c8
commit 3e06dca12d
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1 changed files with 34 additions and 6 deletions
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40
input.c
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@ -221,14 +221,42 @@ keyboard_key(void *data, struct wl_keyboard *wl_keyboard, uint32_t serial,
}
if (count > 0) {
if (effective_mods & alt)
vt_to_slave(term, "\x1b", 1);
vt_to_slave(term, buf, count);
#define is_control_key(x) ((x) >= 0x40 && (x) <= 0x7f)
#define IS_CTRL(x) ((x) < 0x20 || ((x) >= 0x7f && (x) <= 0x9f))
if (term->grid->view != term->grid->offset) {
term->grid->view = term->grid->offset;
term_damage_all(term);
if ((keymap_mods & MOD_CTRL) &&
!is_control_key(sym) &&
(count == 1 && !IS_CTRL(buf[0])) &&
sym < 256)
{
static const int mod_param_map[16] = {
[MOD_SHIFT] = 2,
[MOD_ALT] = 3,
[MOD_SHIFT | MOD_ALT] = 4,
[MOD_CTRL] = 5,
[MOD_SHIFT | MOD_CTRL] = 6,
[MOD_ALT | MOD_CTRL] = 7,
[MOD_SHIFT | MOD_ALT | MOD_CTRL] = 8,
};
int modify_param = mod_param_map[keymap_mods];
assert(modify_param != 0);
char reply[1024];
snprintf(reply, sizeof(reply), "\x1b[27;%d;%d~", modify_param, sym);
vt_to_slave(term, reply, strlen(reply));
}
else {
if (effective_mods & alt)
vt_to_slave(term, "\x1b", 1);
vt_to_slave(term, buf, count);
if (term->grid->view != term->grid->offset) {
term->grid->view = term->grid->offset;
term_damage_all(term);
}
}
selection_cancel(term);