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8212678: Windows IME related patch

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Reviewed-by: andrew
Backport-of: 60613c5fbc2554cbbf09d79804de276b9c2d786c
This commit is contained in:
Takuya Kiriyama 2025-11-26 09:50:21 +00:00 committed by Severin Gehwolf
parent f67be21a7f
commit 8304a7607b
3 changed files with 40 additions and 2 deletions
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20
jdk/src/windows/classes/sun/awt/windows/WInputMethod.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1997, 2019, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -62,6 +62,7 @@ final class WInputMethod extends InputMethodAdapter
private Locale currentLocale;
// indicate whether status window is hidden or not.
private boolean statusWindowHidden = false;
private boolean hasCompositionString = false;
// attribute definition in Win32 (in IMM.H)
public final static byte ATTR_INPUT = 0x00;
@ -241,6 +242,7 @@ final class WInputMethod extends InputMethodAdapter
} else if (locale.getLanguage().equals(Locale.KOREAN.getLanguage())) {
if (subset1 == UnicodeBlock.BASIC_LATIN || subset1 == InputSubset.LATIN_DIGITS) {
setOpenStatus(context, false);
setConversionStatus(context, IME_CMODE_ALPHANUMERIC);
} else {
if (subset1 == UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS
|| subset1 == InputSubset.HANJA
@ -258,11 +260,14 @@ final class WInputMethod extends InputMethodAdapter
} else if (locale.getLanguage().equals(Locale.CHINESE.getLanguage())) {
if (subset1 == UnicodeBlock.BASIC_LATIN || subset1 == InputSubset.LATIN_DIGITS) {
setOpenStatus(context, false);
newmode = getConversionStatus(context);
newmode &= ~IME_CMODE_FULLSHAPE;
setConversionStatus(context, newmode);
} else {
if (subset1 == UnicodeBlock.CJK_UNIFIED_IDEOGRAPHS
|| subset1 == InputSubset.TRADITIONAL_HANZI
|| subset1 == InputSubset.SIMPLIFIED_HANZI)
newmode = IME_CMODE_NATIVE;
newmode = IME_CMODE_NATIVE | IME_CMODE_FULLSHAPE;
else if (subset1 == InputSubset.FULLWIDTH_LATIN)
newmode = IME_CMODE_FULLSHAPE;
else
@ -313,6 +318,15 @@ final class WInputMethod extends InputMethodAdapter
setLocale(currentLocale, true);
}
// Compare IM's composition string with Java's composition string
if (hasCompositionString && !isCompositionStringAvailable(context)) {
endCompositionNative(context, DISCARD_INPUT);
sendInputMethodEvent(InputMethodEvent.INPUT_METHOD_TEXT_CHANGED,
EventQueue.getMostRecentEventTime(),
null, null, null, null, null, 0, 0, 0);
hasCompositionString = false;
}
/* If the status window or Windows language bar is turned off due to
native input method was switched to java input method, we
have to turn it on otherwise it is gone for good until next time
@ -340,6 +354,7 @@ final class WInputMethod extends InputMethodAdapter
isLastFocussedActiveClient = haveActiveClient();
}
isActive = false;
hasCompositionString = isCompositionStringAvailable(context);
}
/**
@ -644,4 +659,5 @@ final class WInputMethod extends InputMethodAdapter
static native Locale getNativeLocale();
static native boolean setNativeLocale(String localeName, boolean onActivate);
private native void openCandidateWindow(WComponentPeer peer, int x, int y);
private native boolean isCompositionStringAvailable(int context);
}

5
jdk/src/windows/native/sun/windows/awt_Component.cpp
View File

@ -3832,6 +3832,11 @@ void AwtComponent::SetCompositionWindow(RECT& r)
return;
}
COMPOSITIONFORM cf = {CFS_DEFAULT, {0, 0}, {0, 0, 0, 0}};
LOGFONT lf;
HFONT hFont = (HFONT) GetStockObject(DEFAULT_GUI_FONT);
if (GetObject(hFont, sizeof(lf), (LPVOID)&lf) == sizeof(lf)) {
ImmSetCompositionFont(hIMC, &lf);
}
ImmSetCompositionWindow(hIMC, &cf);
ImmReleaseContext(hwnd, hIMC);
}

17
jdk/src/windows/native/sun/windows/awt_InputMethod.cpp
View File

@ -528,6 +528,23 @@ JNIEXPORT jobjectArray JNICALL Java_sun_awt_windows_WInputMethodDescriptor_getNa
CATCH_BAD_ALLOC_RET(NULL);
}
/*
* Class: sun_awt_windows_WInputMethod
* Method: isCompositionStringAvailable
* Signature: (I)Z
*/
JNIEXPORT jboolean JNICALL Java_sun_awt_windows_WInputMethod_isCompositionStringAvailable
(JNIEnv *env, jobject self, jint context)
{
LONG length;
length = ImmGetCompositionString((HIMC)IntToPtr(context), GCS_COMPSTR, NULL, 0);
if (length > 0) {
return JNI_TRUE;
} else {
return JNI_FALSE;
}
}
/**
* Class: sun_awt_windows_WInputMethod
* Method: getNativeIMMDescription