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Fix UTF-16 surrogate pair handling on Windows input (#1160)

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Fix(Windows): Correctly handle UTF-16 surrogate pairs for non-BMP input.

Co-authored-by: ArthurSonzogni <sonzogniarthur@gmail.com>
This commit is contained in:
739C1AE2
2025-12-06 17:59:43 +08:00
committed by GitHub
parent d9c62b3678
commit 183a426efa
2 changed files with 11 additions and 2 deletions
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10
src/ftxui/component/screen_interactive.cpp
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@@ -1098,6 +1098,7 @@ void ScreenInteractive::FetchTerminalEvents() {
// Convert the input events to FTXUI events.
// For each event, we call the terminal input parser to convert it to
// Event.
std::wstring wstring;
for (const auto& r : records) {
switch (r.EventType) {
case KEY_EVENT: {
@@ -1106,11 +1107,16 @@ void ScreenInteractive::FetchTerminalEvents() {
if (key_event.bKeyDown == FALSE) {
continue;
}
std::wstring wstring;
wstring += key_event.uChar.UnicodeChar;
const wchar_t wc = key_event.uChar.UnicodeChar;
wstring += wc;
if (wc >= 0xd800 && wc <= 0xdbff) {
// Wait for the Low Surrogate to arrive in the next record.
continue;
}
for (auto it : to_string(wstring)) {
internal_->terminal_input_parser.Add(it);
}
wstring.clear();
} break;
case WINDOW_BUFFER_SIZE_EVENT:
Post(Event::Special({0}));