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Reserve first keymap slot so the first character is not typed on the Escape keycode #79

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Reserve first keymap slot so the first character is not typed on the Escape keycode #79

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15 changes: 15 additions & 0 deletions main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -158,8 +158,21 @@ static unsigned int append_keymap_entry(struct wtype *wtype, wchar_t ch, xkb_key
}


// Reserve keymap slot 1 (routed to physical keycode 9 = Escape by the
// compositor) as a placeholder: some apps (Chromium) special-case the
// Escape keycode and drop the character that would otherwise be typed
// there, so the first real character is placed at slot 2 instead.
static void ensure_keymap_reserved(struct wtype *wtype)
{
if (wtype->keymap_len == 0) {
append_keymap_entry(wtype, L'\0', XKB_KEY_NoSymbol);
}
}

unsigned int get_key_code_by_wchar(struct wtype *wtype, wchar_t ch)
{
ensure_keymap_reserved(wtype);

const struct {
wchar_t from;
xkb_keysym_t to;
Expand Down Expand Up @@ -189,6 +202,8 @@ unsigned int get_key_code_by_wchar(struct wtype *wtype, wchar_t ch)

unsigned int get_key_code_by_xkb(struct wtype *wtype, xkb_keysym_t xkb)
{
ensure_keymap_reserved(wtype);

for (unsigned int i = 0; i < wtype->keymap_len; i++) {
if (wtype->keymap[i].xkb == xkb) {
return i + 1;
Expand Down