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input: add new Unicode input mode

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This mode is activated through the new key-bindings.unicode-input and
search-bindings.unicode-input key bindings.

When active, the user can “build” a Unicode codepoint by typing its
hexadecimal value.

Note that there’s no visual feedback in this mode. This is
intentional. This mode is intended to be a fallback for users that
don’t use an IME.

Closes #1116
This commit is contained in:
Daniel Eklöf 2022-07-28 18:09:16 +02:00
parent fa2d9f8699
commit 8967dd9cfe
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GPG key ID: 5BBD4992C116573F
11 changed files with 167 additions and 2 deletions
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38
unicode-mode.c Normal file
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#include "unicode-mode.h"
#include "render.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);
}