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fixup issue with compose key

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this partially reverts eb3a78b0cb and
should hopefully resolve the underlying problem, which is that
the composition cursor is stuck at an empty string when using
a compose key on its own.

refs: https://github.com/wez/wezterm/issues/4841
This commit is contained in:
Wez Furlong 2024-01-24 06:58:07 -07:00
parent b3c996016e
commit 079e87d62e
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GPG Key ID: 7A7F66A31EC9B387
1 changed files with 9 additions and 24 deletions
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33
window/src/os/x11/keyboard.rs
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@ -38,7 +38,7 @@ struct Compose {
enum FeedResult {
Composing(String),
Composed(String, xkb::Keysym),
Nothing(String, xkb::Keysym, bool),
Nothing(String, xkb::Keysym),
Cancelled,
}
@ -54,8 +54,6 @@ impl Compose {
xsym: xkb::Keysym,
key_state: &RefCell<xkb::State>,
) -> FeedResult {
let had_composition = !self.composition.is_empty();
if matches!(
self.state.status(),
ComposeStatus::Nothing | ComposeStatus::Cancelled | ComposeStatus::Composed
@ -104,6 +102,10 @@ impl Compose {
if !utf8.is_empty() {
self.composition.push_str(&utf8);
}
if self.composition.is_empty() {
// Ensure that we have something in the composition
self.composition.push(' ');
}
}
FeedResult::Composing(self.composition.clone())
}
@ -115,9 +117,7 @@ impl Compose {
}
ComposeStatus::Nothing => {
let utf8 = key_state.borrow().key_get_utf8(xcode);
let clear_dead_key_state = had_composition;
self.composition.clear();
FeedResult::Nothing(utf8, xsym, clear_dead_key_state)
FeedResult::Nothing(utf8, xsym)
}
ComposeStatus::Cancelled => {
self.state.reset();
@ -303,7 +303,7 @@ impl KeyboardWithFallback {
events.dispatch(WindowEvent::AdviseDeadKeyStatus(DeadKeyStatus::None));
sym
}
FeedResult::Nothing(utf8, sym, clear_dead_key_state) => {
FeedResult::Nothing(utf8, sym) => {
// Composition had no special expansion.
// Xkb will return a textual representation of the key even when
// it is not generally useful; for example, when CTRL, ALT or SUPER
@ -326,20 +326,9 @@ impl KeyboardWithFallback {
log::trace!(
"process_key_event: RawKeyEvent FeedResult::Nothing: \
{utf8:?}, {sym:?}. kc -> {kc:?} fallback_feed={fallback_feed:?} \
clear_dead_key_state={clear_dead_key_state}"
{utf8:?}, {sym:?}. kc -> {kc:?} fallback_feed={fallback_feed:?}"
);
if clear_dead_key_state {
// Some setups don't guarantee to trigger a state transition
// that will clear out the composition state, so we will
// synthesize it for ourselves here: since the
// FeedResult::Nothing case will emit a key to the GUI
// layer we take that as a signal that composition is
// complete and emit an event to clear it
events.dispatch(WindowEvent::AdviseDeadKeyStatus(DeadKeyStatus::None));
}
// If we have a modified key, and its expansion is non-ascii, such as cyrillic
// "Es" (which appears visually similar to "c" in latin texts), then consider
// this key expansion against the default latin layout.
@ -357,11 +346,7 @@ impl KeyboardWithFallback {
// Consider shortcuts like CTRL-C against the default
// latin layout
match fallback_feed {
FeedResult::Nothing(
_fb_utf8,
fb_sym,
_clear_dead_key_state,
) => {
FeedResult::Nothing(_fb_utf8, fb_sym) => {
log::trace!(
"process_key_event: RawKeyEvent using fallback \
sym {fb_sym:?} because layout would expand to \