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Properly fix cursor position in Korean IME

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Susko3 2026-05-18 17:28:31 +02:00 • committed by Sam Lantinga
parent b5ac641372
commit b608108593
1 changed files with 7 additions and 2 deletions
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9
src/video/windows/SDL_windowskeyboard.c
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@ -828,6 +828,11 @@ static void IME_GetCompositionString(SDL_VideoData *videodata, HIMC himc, LPARAM
}
length /= sizeof(WCHAR);
if (!(*lParam & GCS_CURSORPOS)) {
// If the IME doesn't support GCS_CURSORPOS, default the cursor to the end of the composition.
videodata->ime_cursor = length;
}
if ((dwLang == LANG_CHT || dwLang == LANG_CHS) &&
videodata->ime_cursor > 0 &&
videodata->ime_cursor < (int)(videodata->ime_composition_length / sizeof(WCHAR)) &&
@ -889,7 +894,7 @@ static void IME_SendInputEvent(SDL_VideoData *videodata)
videodata->ime_composition[0] = 0;
videodata->ime_readingstring[0] = 0;
videodata->ime_cursor = 1; // Korean IME cursor
videodata->ime_cursor = 0;
}
static void IME_SendEditingEvent(SDL_VideoData *videodata)
@ -1072,7 +1077,7 @@ bool WIN_HandleIMEMessage(HWND hwnd, UINT msg, WPARAM wParam, LPARAM *lParam, SD
} else if (msg == WM_IME_STARTCOMPOSITION) {
SDL_DebugIMELog("WM_IME_STARTCOMPOSITION");
if (videodata->ime_internal_composition) {
videodata->ime_cursor = 1; // Korean IME cursor
videodata->ime_cursor = 0;
// Windows may still display a composition dialog even with
// ISC_SHOWUICOMPOSITIONWINDOW cleared, so trap the message
// here to prevent that (even when the IME is disabled).