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fix Korean caret position

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This commit is contained in:
7aGiven
2026-05-18 17:19:02 +08:00
committed by Sam Lantinga
parent 8b49bff353
commit 8e6fed2cbf
1 changed files with 8 additions and 5 deletions
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13
src/video/windows/SDL_windowskeyboard.c
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@@ -802,12 +802,14 @@ static void IME_ClearComposition(SDL_VideoData *videodata)
IME_SendClearComposition(videodata);
}
static void IME_GetCompositionString(SDL_VideoData *videodata, HIMC himc, DWORD string)
static void IME_GetCompositionString(SDL_VideoData *videodata, HIMC himc, LPARAM *lParam, DWORD string)
{
LONG length;
DWORD dwLang = ((DWORD_PTR)videodata->ime_hkl & 0xffff);
videodata->ime_cursor = LOWORD(ImmGetCompositionStringW(himc, GCS_CURSORPOS, 0, 0));
if (*lParam & GCS_CURSORPOS) {
videodata->ime_cursor = LOWORD(ImmGetCompositionStringW(himc, GCS_CURSORPOS, 0, 0));
}
videodata->ime_selected_start = 0;
videodata->ime_selected_length = 0;
SDL_DebugIMELog("Cursor = %d", videodata->ime_cursor);
@@ -887,7 +889,7 @@ static void IME_SendInputEvent(SDL_VideoData *videodata)
videodata->ime_composition[0] = 0;
videodata->ime_readingstring[0] = 0;
videodata->ime_cursor = 0;
videodata->ime_cursor = 1; // Korean IME cursor
}
static void IME_SendEditingEvent(SDL_VideoData *videodata)
@@ -1074,6 +1076,7 @@ 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
// 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).
@@ -1113,14 +1116,14 @@ bool WIN_HandleIMEMessage(HWND hwnd, UINT msg, WPARAM wParam, LPARAM *lParam, SD
himc = ImmGetContext(hwnd);
if (*lParam & GCS_RESULTSTR) {
SDL_DebugIMELog("GCS_RESULTSTR");
IME_GetCompositionString(videodata, himc, GCS_RESULTSTR);
IME_GetCompositionString(videodata, himc, lParam, GCS_RESULTSTR);
IME_SendClearComposition(videodata);
IME_SendInputEvent(videodata);
}
if (*lParam & GCS_COMPSTR) {
SDL_DebugIMELog("GCS_COMPSTR");
videodata->ime_readingstring[0] = 0;
IME_GetCompositionString(videodata, himc, GCS_COMPSTR);
IME_GetCompositionString(videodata, himc, lParam, GCS_COMPSTR);
IME_SendEditingEvent(videodata);
}
ImmReleaseContext(hwnd, himc);