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[kbd] ui.double_esc option, based on PLD patch

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This commit is contained in:
Witold Filipczyk 2021-11-06 17:40:17 +01:00
parent 6d4a573571
commit 09e6fb59da
2 changed files with 15 additions and 2 deletions
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4
src/config/options.inc
View File

@ -1524,6 +1524,10 @@ static union option_info config_options_info[] = {
"back_to_exit", 0, 0,
N_("Going back from initial page exits tab or elinks.")),
INIT_OPT_BOOL("ui", N_("Double ESC"),
"double_esc", 0, 0,
N_("Back to 0.12pre5 handling of ESC key.")),
INIT_OPT_BOOL("ui", N_("Set window title"),
"window_title", 0, 1,
N_("Set the window title when running in a windowing "

13
src/terminal/kbd.c
View File

@ -789,6 +789,11 @@ decode_terminal_escape_sequence(struct itrm *itrm, struct interlink_event *ev)
int v;
int el;
if (itrm->in.queue.len == 2 && itrm->in.queue.data[1] == ASCII_ESC && get_opt_bool("ui.double_esc", NULL)) {
kbd.key = KBD_ESC;
set_kbd_interlink_event(ev, kbd.key, kbd.modifier);
return 2;
}
if (itrm->in.queue.len < 3) return -1;
if (itrm->in.queue.data[2] == '[') {
@ -1136,8 +1141,12 @@ process_queue(struct itrm *itrm)
* beginning of e.g. ESC ESC 0x5B 0x41,
* which we should parse as Esc Up. */
if (itrm->in.queue.len < 3) {
/* Need more data to figure it out. */
el = -1;
if (get_opt_bool("ui.double_esc", NULL)) {
el = decode_terminal_escape_sequence(itrm, &ev);
} else {
/* Need more data to figure it out. */
el = -1;
}
} else if (itrm->in.queue.data[2] == 0x5B
|| itrm->in.queue.data[2] == 0x4F) {
/* The first ESC appears to be followed