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[terminal] Cache ui.double_esc

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This commit is contained in:
Witold Filipczyk 2021-12-20 12:15:11 +01:00
parent 2ee82fc890
commit ac7038d9d4
2 changed files with 21 additions and 2 deletions
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11
src/config/options.c
View File

@ -34,6 +34,7 @@
#include "util/string.h"
#include "viewer/text/draw.h"
extern int ui_double_esc;
/* TODO? In the past, covered by shadow and legends, remembered only by the
* ELinks Elders now, options were in hashes (it was not for a long time, after
@ -864,6 +865,13 @@ change_hook_ui(struct session *ses, struct option *current, struct option *chang
return 0;
}
static int
change_hook_ui_double_esc(struct session *ses, struct option *current, struct option *changed)
{
ui_double_esc = changed->value.number;
return 0;
}
/** Make option templates visible or invisible in the option manager.
* This is called once on startup, and then each time the value of the
* "config.show_template" option is changed.
@ -936,6 +944,7 @@ static const struct change_hook_info change_hooks[] = {
{ "document.html", change_hook_html },
{ "document.plain", change_hook_html },
{ "terminal", change_hook_terminal },
{ "ui.double_esc", change_hook_ui_double_esc },
{ "ui.language", change_hook_language },
{ "ui", change_hook_ui },
{ NULL, NULL },
@ -956,6 +965,8 @@ init_options(void)
register_autocreated_options();
register_change_hooks(change_hooks);
ui_double_esc = get_opt_bool("ui.double_esc", NULL);
}
/*! @relates option */

12
src/terminal/kbd.c
View File

@ -771,6 +771,14 @@ get_esc_code(unsigned char *str, int len, char *final_byte,
#include <ctype.h> /* isprint() isspace() */
#endif
int ui_double_esc;
static inline int
get_ui_double_esc(void)
{
return ui_double_esc;
}
/** Decode a control sequence that begins with CSI (CONTROL SEQUENCE
* INTRODUCER) encoded as ESC [, and set @a *ev accordingly.
* (ECMA-48 also allows 0x9B as a single-byte CSI, but we don't
@ -789,7 +797,7 @@ 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)) {
if (itrm->in.queue.len == 2 && itrm->in.queue.data[1] == ASCII_ESC && get_ui_double_esc()) {
kbd.key = KBD_ESC;
set_kbd_interlink_event(ev, kbd.key, kbd.modifier);
return 2;
@ -1141,7 +1149,7 @@ 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) {
if (get_opt_bool("ui.double_esc", NULL)) {
if (get_ui_double_esc()) {
el = decode_terminal_escape_sequence(itrm, &ev);
} else {
/* Need more data to figure it out. */