foot/unicode-mode.c

105 lines
2.6 KiB
C

#include "unicode-mode.h"
#define LOG_MODULE "unicode-input"
#define LOG_ENABLE_DBG 0
#include "log.h"
#include "render.h"
#include "search.h"
void
unicode_mode_activate(struct seat *seat)
{
if (seat->unicode_mode.active)
return;
seat->unicode_mode.active = true;
seat->unicode_mode.character = u'\0';
seat->unicode_mode.count = 0;
unicode_mode_updated(seat);
}
void
unicode_mode_deactivate(struct seat *seat)
{
if (!seat->unicode_mode.active)
return;
seat->unicode_mode.active = false;
unicode_mode_updated(seat);
}
void
unicode_mode_updated(struct seat *seat)
{
struct terminal *term = seat->kbd_focus;
if (term == NULL)
return;
if (term->is_searching)
render_refresh_search(term);
else
render_refresh(term);
}
void
unicode_mode_input(struct seat *seat, struct terminal *term,
xkb_keysym_t sym)
{
if (sym == XKB_KEY_Return ||
sym == XKB_KEY_space ||
sym == XKB_KEY_KP_Enter ||
sym == XKB_KEY_KP_Space)
{
char utf8[MB_CUR_MAX];
size_t chars = c32rtomb(
utf8, seat->unicode_mode.character, &(mbstate_t){0});
LOG_DBG("Unicode input: 0x%06x -> %.*s",
seat->unicode_mode.character, (int)chars, utf8);
if (chars != (size_t)-1) {
if (term->is_searching)
search_add_chars(term, utf8, chars);
else
term_to_slave(term, utf8, chars);
}
unicode_mode_deactivate(seat);
}
else if (sym == XKB_KEY_Escape ||
(seat->kbd.ctrl && (sym == XKB_KEY_c ||
sym == XKB_KEY_d ||
sym == XKB_KEY_g)))
{
unicode_mode_deactivate(seat);
}
else if (sym == XKB_KEY_BackSpace) {
if (seat->unicode_mode.count > 0) {
seat->unicode_mode.character >>= 4;
seat->unicode_mode.count--;
unicode_mode_updated(seat);
}
}
else if (seat->unicode_mode.count < 6) {
int digit = -1;
/* 0-9, a-f, A-F */
if (sym >= XKB_KEY_0 && sym <= XKB_KEY_9)
digit = sym - XKB_KEY_0;
else if (sym >= XKB_KEY_a && sym <= XKB_KEY_f)
digit = 0xa + (sym - XKB_KEY_a);
else if (sym >= XKB_KEY_A && sym <= XKB_KEY_F)
digit = 0xa + (sym - XKB_KEY_A);
if (digit >= 0) {
xassert(digit >= 0 && digit <= 0xf);
seat->unicode_mode.character <<= 4;
seat->unicode_mode.character |= digit;
seat->unicode_mode.count++;
unicode_mode_updated(seat);
}
}
}