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Bug 125573

Browse Source 
Call IME-W APIs instead of IME-A APIs to prevent moz
from crashing only in
Win2K-Chinese Simplified and WinXP-Chinese Simplified

/r=shanjian, /sr=brendan, /a=asa
This commit is contained in:
yokoyama%netscape.com 2002-03-18 23:29:39 +00:00
parent ad65ab1530
commit 8df9321a5d
3 changed files with 43 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

35
widget/src/windows/nsToolkit.cpp
View File

@ -54,7 +54,7 @@ NS_IMPL_ISUPPORTS1(nsToolkit, nsIToolkit)
static PRUintn gToolkitTLSIndex = 0;
HINSTANCE nsToolkit::mDllInstance = 0;
PRBool nsToolkit::mIsNT = PR_FALSE;
PRBool nsToolkit::mUseImeApiW = PR_FALSE;
#ifdef MOZ_AIMM
IActiveIMMApp* nsToolkit::gAIMMApp = NULL;
@ -224,14 +224,35 @@ nsToolkit::Startup(HMODULE hModule)
VERIFY(::RegisterClass(&wc));
//
// Set flag of nsToolkit::mIsNT due to using Unicode API.
// Set flag of nsToolkit::mUseImeApiW due to using Unicode API.
//
OSVERSIONINFO osversion;
::ZeroMemory(&osversion, sizeof(OSVERSIONINFO));
osversion.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
::GetVersionEx(&osversion);
nsToolkit::mIsNT = (osversion.dwPlatformId == VER_PLATFORM_WIN32_NT) ? PR_TRUE : PR_FALSE;
OSVERSIONINFOEX osversion;
BOOL osVersionInfoEx;
::ZeroMemory(&osversion, sizeof(OSVERSIONINFOEX));
osversion.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
if (!(osVersionInfoEx = GetVersionEx((OSVERSIONINFO *)&osversion))) {
// if OSVERSIONINFOEX doesn't work, try OSVERSIONINFO.
osversion.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
if (!GetVersionEx((OSVERSIONINFO *)&osversion)) {
// maybe we are running on very old Windows OS. Assign FALSE.
nsToolkit::mUseImeApiW = PR_FALSE;
return;
}
}
nsToolkit::mUseImeApiW = (osversion.dwPlatformId == VER_PLATFORM_WIN32_NT);
if (nsToolkit::mUseImeApiW) {
// XXX Hack for stopping the crash (125573)
if (osversion.dwMajorVersion == 5 && (osversion.dwMinorVersion == 0 || osversion.dwMinorVersion == 1)) {
// "Microsoft Windows 2000 " or "Microsoft Windows XP "
if (936 == ::GetACP()) // Chinese (PRC, Singapore)
nsToolkit::mUseImeApiW = PR_FALSE;
}
}
}

2
widget/src/windows/nsToolkit.h
View File

@ -89,7 +89,7 @@ protected:
public:
static HINSTANCE mDllInstance;
// OS flag
static PRBool mIsNT;
static PRBool mUseImeApiW;
static void Startup(HINSTANCE hModule);
static void Shutdown();

28
widget/src/windows/nsWindow.cpp
View File

@ -5132,7 +5132,7 @@ nsWindow::HandleTextEvent(HIMC hIMEContext,PRBool aCheckAttr)
// convert the composition string text into unicode before it is sent to xp-land
// but, on Windows NT / 2000, need not convert.
//
if (!nsToolkit::mIsNT) {
if (!nsToolkit::mUseImeApiW) {
unicharSize = ::MultiByteToWideChar(gCurrentKeyboardCP,MB_PRECOMPOSED,
mIMECompString->get(),
mIMECompString->Length(),
@ -5302,7 +5302,7 @@ nsWindow::MapDBCSAtrributeArrayToUnicodeOffsets(PRUint32* textRangeListLengthRes
// IME strings already store to mIMECompUnicode.
//
long maxlen = nsToolkit::mIsNT ? mIMECompUnicode->Length() : mIMECompString->Length();
long maxlen = nsToolkit::mUseImeApiW ? mIMECompUnicode->Length() : mIMECompString->Length();
long cursor = mIMECursorPosition;
NS_ASSERTION(cursor <= maxlen, "wrong cursor positoin");
if(cursor > maxlen)
@ -5315,12 +5315,12 @@ nsWindow::MapDBCSAtrributeArrayToUnicodeOffsets(PRUint32* textRangeListLengthRes
*textRangeListLengthResult = 2;
*textRangeListResult = new nsTextRange[2];
(*textRangeListResult)[0].mStartOffset=0;
substringLength = nsToolkit::mIsNT ? mIMECompUnicode->Length() :
substringLength = nsToolkit::mUseImeApiW ? mIMECompUnicode->Length() :
::MultiByteToWideChar(gCurrentKeyboardCP,MB_PRECOMPOSED,
mIMECompString->get(), maxlen,NULL,0);
(*textRangeListResult)[0].mEndOffset = substringLength;
(*textRangeListResult)[0].mRangeType = NS_TEXTRANGE_RAWINPUT;
substringLength = nsToolkit::mIsNT ? cursor :
substringLength = nsToolkit::mUseImeApiW ? cursor :
::MultiByteToWideChar(gCurrentKeyboardCP,MB_PRECOMPOSED,mIMECompString->get(),
cursor,NULL,0);
(*textRangeListResult)[1].mStartOffset=substringLength;
@ -5341,7 +5341,7 @@ nsWindow::MapDBCSAtrributeArrayToUnicodeOffsets(PRUint32* textRangeListLengthRes
// figure out the cursor position
//
substringLength = nsToolkit::mIsNT ? cursor :
substringLength = nsToolkit::mUseImeApiW ? cursor :
::MultiByteToWideChar(gCurrentKeyboardCP,
MB_PRECOMPOSED,mIMECompString->get(),cursor,NULL,0);
(*textRangeListResult)[0].mStartOffset=substringLength;
@ -5364,7 +5364,7 @@ nsWindow::MapDBCSAtrributeArrayToUnicodeOffsets(PRUint32* textRangeListLengthRes
PlatformToNSAttr(mIMEAttributeString[lastMBCSOffset]);
(*textRangeListResult)[rangePointer].mStartOffset = lastUnicodeOffset;
lastUnicodeOffset += nsToolkit::mIsNT ? current - lastMBCSOffset :
lastUnicodeOffset += nsToolkit::mUseImeApiW ? current - lastMBCSOffset :
::MultiByteToWideChar(gCurrentKeyboardCP,
MB_PRECOMPOSED,mIMECompString->get()+lastMBCSOffset,
current-lastMBCSOffset,NULL,0);
@ -5462,7 +5462,7 @@ BOOL nsWindow::OnIMEComposition(LPARAM aGCS)
//
long compStrLen;
if (nsToolkit::mIsNT) {
if (nsToolkit::mUseImeApiW) {
// Imm* Unicode API works on Windows NT / 2000.
NS_IMM_GETCOMPOSITIONSTRINGW(hIMEContext, GCS_RESULTSTR, NULL, 0, compStrLen);
@ -5511,7 +5511,7 @@ BOOL nsWindow::OnIMEComposition(LPARAM aGCS)
// This provides us with the attribute string necessary
// for doing hiliting
long attrStrLen;
if (nsToolkit::mIsNT) {
if (nsToolkit::mUseImeApiW) {
// Imm* Unicode API works on Windows NT / 2000.
NS_IMM_GETCOMPOSITIONSTRINGW(hIMEContext, GCS_COMPATTR, NULL, 0, attrStrLen);
if (attrStrLen > mIMEAttributeStringSize) {
@ -5541,7 +5541,7 @@ BOOL nsWindow::OnIMEComposition(LPARAM aGCS)
//--------------------------------------------------------
long compClauseLen;
long compClauseLen2;
if (nsToolkit::mIsNT) {
if (nsToolkit::mUseImeApiW) {
// Imm* Unicode API works on Windows NT / 2000.
NS_IMM_GETCOMPOSITIONSTRINGW(hIMEContext,
GCS_COMPCLAUSE, NULL, 0, compClauseLen);
@ -5587,7 +5587,7 @@ BOOL nsWindow::OnIMEComposition(LPARAM aGCS)
//--------------------------------------------------------
// 3. Get GCS_CURSOPOS
//--------------------------------------------------------
if (nsToolkit::mIsNT) {
if (nsToolkit::mUseImeApiW) {
// Imm* Unicode API works on Windows NT / 2000.
NS_IMM_GETCOMPOSITIONSTRINGW(hIMEContext, GCS_CURSORPOS, NULL, 0, mIMECursorPosition);
} else {
@ -5598,7 +5598,7 @@ BOOL nsWindow::OnIMEComposition(LPARAM aGCS)
// 4. Get GCS_COMPSTR
//--------------------------------------------------------
long compStrLen;
if (nsToolkit::mIsNT) {
if (nsToolkit::mUseImeApiW) {
// Imm* Unicode API works on Windows NT / 2000.
NS_IMM_GETCOMPOSITIONSTRINGW(hIMEContext, GCS_COMPSTR, NULL, 0, compStrLen);
@ -5628,7 +5628,7 @@ BOOL nsWindow::OnIMEComposition(LPARAM aGCS)
#ifdef DEBUG
for(int kk=0;kk<mIMECompClauseStringLength;kk++)
{
NS_ASSERTION(mIMECompClauseString[kk] <= (nsToolkit::mIsNT ? mIMECompUnicode->Length() : mIMECompString->Length()), "illegal pos");
NS_ASSERTION(mIMECompClauseString[kk] <= (nsToolkit::mUseImeApiW ? mIMECompUnicode->Length() : mIMECompString->Length()), "illegal pos");
}
#endif
//--------------------------------------------------------
@ -5645,7 +5645,7 @@ BOOL nsWindow::OnIMEComposition(LPARAM aGCS)
if(! mIMEIsComposing)
HandleStartComposition(hIMEContext);
if (nsToolkit::mIsNT) {
if (nsToolkit::mUseImeApiW) {
mIMECompUnicode->Truncate();
} else {
mIMECompString->Truncate();
@ -5689,7 +5689,7 @@ BOOL nsWindow::OnIMEEndComposition()
// first when we hit space in composition mode
// we need to clear out the current composition string
// in that case.
if (nsToolkit::mIsNT) {
if (nsToolkit::mUseImeApiW) {
mIMECompUnicode->Truncate(0);
} else {
mIMECompString->Truncate(0);