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[IMM32] Rewrite ImmAssociateContext (#3979)

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CORE-11700
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Katayama Hirofumi MZ 2021-09-28 22:03:25 +09:00 committed by GitHub
parent a3c841f8e2
commit ef003fa47d
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1 changed files with 24 additions and 65 deletions
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89
dll/win32/imm32/imm.c
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@ -169,87 +169,46 @@ static InputContextData* get_imc_data(HIMC hIMC)
return data;
}
static HIMC get_default_context( HWND hwnd )
{
FIXME("Don't use this function\n");
return FALSE;
}
static BOOL IMM_IsCrossThreadAccess(HWND hWnd, HIMC hIMC)
{
InputContextData *data;
if (hWnd)
{
DWORD thread = GetWindowThreadProcessId(hWnd, NULL);
if (thread != GetCurrentThreadId()) return TRUE;
}
data = get_imc_data(hIMC);
if (data && data->threadID != GetCurrentThreadId())
return TRUE;
return FALSE;
}
/***********************************************************************
* ImmAssociateContext (IMM32.@)
*/
HIMC WINAPI ImmAssociateContext(HWND hWnd, HIMC hIMC)
{
HIMC old = NULL;
InputContextData *data = get_imc_data(hIMC);
PWND pWnd;
HWND hwndFocus;
DWORD dwValue;
HIMC hOldIMC;
TRACE("(%p, %p):\n", hWnd, hIMC);
TRACE("(%p, %p)\n", hWnd, hIMC);
if(hIMC && !data)
if (!Imm32IsImmMode())
return NULL;
/*
* If already associated just return
*/
if (hIMC && data->IMC.hWnd == hWnd)
pWnd = ValidateHwndNoErr(hWnd);
if (!pWnd)
return NULL;
if (hIMC && Imm32IsCrossThreadAccess(hIMC))
return NULL;
hOldIMC = pWnd->hImc;
if (hOldIMC == hIMC)
return hIMC;
if (hIMC && IMM_IsCrossThreadAccess(hWnd, hIMC))
dwValue = NtUserAssociateInputContext(hWnd, hIMC, 0);
if (dwValue == 0)
return hOldIMC;
if (dwValue != 1)
return NULL;
if (hWnd)
hwndFocus = (HWND)NtUserQueryWindow(hWnd, QUERY_WINDOW_FOCUS);
if (hwndFocus == hWnd)
{
HIMC defaultContext = get_default_context( hWnd );
old = RemovePropW(hWnd,szwWineIMCProperty);
if (old == NULL)
old = defaultContext;
else if (old == (HIMC)-1)
old = NULL;
if (hIMC != defaultContext)
{
if (hIMC == NULL) /* Meaning disable imm for that window*/
SetPropW(hWnd,szwWineIMCProperty,(HANDLE)-1);
else
SetPropW(hWnd,szwWineIMCProperty,hIMC);
}
if (old)
{
InputContextData *old_data = (InputContextData *)old;
if (old_data->IMC.hWnd == hWnd)
old_data->IMC.hWnd = NULL;
}
ImmSetActiveContext(hWnd, hOldIMC, FALSE);
ImmSetActiveContext(hWnd, hIMC, TRUE);
}
if (!hIMC)
return old;
if(GetActiveWindow() == data->IMC.hWnd)
{
SendMessageW(data->IMC.hWnd, WM_IME_SETCONTEXT, FALSE, ISC_SHOWUIALL);
data->IMC.hWnd = hWnd;
SendMessageW(data->IMC.hWnd, WM_IME_SETCONTEXT, TRUE, ISC_SHOWUIALL);
}
return old;
return hOldIMC;
}
/***********************************************************************