mirror of
https://github.com/reactos/wine.git
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363 lines
7.9 KiB
C
363 lines
7.9 KiB
C
/*
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* Implementation of the 'IME window' class
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*
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* Copyright 2000 Hidenori Takeshima
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*
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*
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* FIXME:
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* - handle all messages.
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* - handle all notifications.
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*/
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#include "config.h"
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#include "winbase.h"
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#include "windef.h"
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#include "wingdi.h"
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#include "winuser.h"
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#include "winerror.h"
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#include "immddk.h"
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#include "debugtools.h"
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DEFAULT_DEBUG_CHANNEL(imm);
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#include "imm_private.h"
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#define IMM32_CONVERSION_BUFSIZE 200
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static CHAR IMM32_szIMEClass[] = "IME";
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static CHAR IMM32_szIMEWindowName[] = "Default IME";
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typedef struct
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{
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HWND hwndSelf;
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HWND hwndActive;
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DWORD dwBufUsed;
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union
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{
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CHAR A[IMM32_CONVERSION_BUFSIZE];
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WCHAR W[IMM32_CONVERSION_BUFSIZE];
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} buf;
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} IMM32_IMEWNDPARAM;
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static BOOL IMM32_IsUIMessage( UINT nMsg );
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static
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LRESULT IMM32_IMEWnd_WM_KEYDOWN( IMM32_IMEWNDPARAM* pParam,
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WPARAM wParam, LPARAM lParam )
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{
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BYTE bKeyState[ 256 ];
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DWORD dwTransBufSize;
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UINT nNumOfMsg;
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LRESULT lr;
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HIMC hIMC;
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IMM32_IMC* pIMC;
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const IMM32_IMEKL* pkl;
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if ( pParam->hwndActive == (HWND)NULL )
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return 0;
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/* get context -> get pkl. */
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hIMC = ImmGetContext( pParam->hwndActive );
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if ( hIMC == NULLIMC )
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return 0;
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pIMC = IMM32_LockIMC( hIMC );
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if ( pIMC == NULL )
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{
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ImmReleaseContext( pParam->hwndActive, hIMC );
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return 0;
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}
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pkl = pIMC->pkl;
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GetKeyboardState( bKeyState );
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if ( !pkl->handlers.pImeProcessKey
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( hIMC, wParam, lParam, bKeyState ) )
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{
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lr = SendMessageA( pParam->hwndActive, WM_IME_KEYDOWN,
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wParam, lParam );
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goto end;
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}
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dwTransBufSize = 0;
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nNumOfMsg = pkl->handlers.pImeToAsciiEx
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( wParam, (lParam>>16)&0xff,
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bKeyState, &dwTransBufSize,
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0, /* FIXME!!! - 1 if a menu is active */
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hIMC );
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/* FIXME - process generated messages */
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/* I cannot use ImmGenerateMessage() since
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* the IME window must handle generated messages. */
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/* NOTE - I must check pkl->fUnicode. */
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FIXME( "%d messages generated.\n", nNumOfMsg );
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lr = 0;
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end:
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IMM32_UnlockIMC( hIMC );
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ImmReleaseContext( pParam->hwndActive, hIMC );
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return lr;
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}
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static
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LRESULT IMM32_IMEWnd_WM_KEYUP( IMM32_IMEWNDPARAM* pParam,
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WPARAM wParam, LPARAM lParam )
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{
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BYTE bKeyState[ 256 ];
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LRESULT lr;
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HIMC hIMC;
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IMM32_IMC* pIMC;
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const IMM32_IMEKL* pkl;
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if ( pParam->hwndActive == (HWND)NULL )
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return 0;
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/* get context -> get pkl. */
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hIMC = ImmGetContext( pParam->hwndActive );
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if ( hIMC == NULLIMC )
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return 0;
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pIMC = IMM32_LockIMC( hIMC );
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if ( pIMC == NULL )
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{
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ImmReleaseContext( pParam->hwndActive, hIMC );
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return 0;
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}
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pkl = pIMC->pkl;
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GetKeyboardState( bKeyState );
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if ( !pkl->handlers.pImeProcessKey
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( hIMC, wParam, lParam, bKeyState ) )
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{
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lr = SendMessageA( pParam->hwndActive, WM_IME_KEYUP,
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wParam, lParam );
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goto end;
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}
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lr = 0;
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end:
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IMM32_UnlockIMC( hIMC );
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ImmReleaseContext( pParam->hwndActive, hIMC );
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return lr;
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}
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static
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LRESULT CALLBACK IMM32_IMEWndProc( HWND hwnd, UINT nMsg,
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WPARAM wParam, LPARAM lParam )
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{
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IMM32_IMEWNDPARAM* pParam =
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(IMM32_IMEWNDPARAM*)GetWindowLongA( hwnd, 0L );
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if ( nMsg == WM_CREATE )
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{
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pParam = (IMM32_IMEWNDPARAM*)IMM32_HeapAlloc(
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HEAP_ZERO_MEMORY, sizeof(IMM32_IMEWNDPARAM) );
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if ( pParam == NULL )
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return -1L;
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SetWindowLongA( hwnd, 0L, (LONG)pParam );
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/* Initialize pParam. */
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pParam->hwndSelf = hwnd;
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pParam->hwndActive = (HWND)NULL;
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pParam->dwBufUsed = 0;
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return 0;
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}
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else if ( nMsg == WM_DESTROY )
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{
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/* Uninitialize pParam. */
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IMM32_HeapFree( pParam );
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SetWindowLongA( hwnd, 0L, (LONG)NULL );
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return 0;
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}
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if ( pParam == NULL )
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{
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if ( IMM32_IsUIMessage( nMsg ) )
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return 0;
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return DefWindowProcA( hwnd, nMsg, wParam, lParam );
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}
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/* FIXME - handle all messages. */
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/* FIXME - handle all notifications. */
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switch ( nMsg )
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{
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case WM_KEYDOWN:
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return IMM32_IMEWnd_WM_KEYDOWN( pParam, wParam, lParam );
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case WM_KEYUP:
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return IMM32_IMEWnd_WM_KEYUP( pParam, wParam, lParam );
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case WM_IME_KEYDOWN:
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ERR( "Why WM_IME_KEYDOWN is generated?" );
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return 0;
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case WM_IME_KEYUP:
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ERR( "Why WM_IME_KEYUP is generated?" );
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return 0;
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case WM_IME_CHAR:
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FIXME( "ignore WM_IME_CHAR - wParam %08x, lParam %08lx.\n",
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wParam, lParam );
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return 0;
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case WM_CHAR:
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/* TranslateMessage don't support IME HKL. - FIXME? */
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FIXME( "ignore WM_CHAR - wParam %08x, lParam %08lx.\n",
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wParam, lParam );
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return 0;
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case WM_IME_CONTROL:
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case WM_IME_REQUEST:
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case WM_IME_STARTCOMPOSITION:
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case WM_IME_ENDCOMPOSITION:
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case WM_IME_COMPOSITION:
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case WM_IME_SETCONTEXT:
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case WM_IME_NOTIFY:
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case WM_IME_COMPOSITIONFULL:
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case WM_IME_SELECT:
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case 0x287: /* What is this message? IMM32.DLL returns TRUE. */
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FIXME( "handle message %08x\n", nMsg );
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return 0;
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}
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return DefWindowProcA( hwnd, nMsg, wParam, lParam );
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}
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/***********************************************************************
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* IMM32_RegisterClass (internal)
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*/
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BOOL IMM32_RegisterIMEWndClass( HINSTANCE hInstDLL )
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{
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WNDCLASSA wc;
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/* SDK says the "IME" window class is a system global class. */
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wc.style = CS_GLOBALCLASS;
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wc.lpfnWndProc = IMM32_IMEWndProc;
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wc.cbClsExtra = 0;
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wc.cbWndExtra = sizeof(LONG);
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wc.hInstance = hInstDLL;
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wc.hIcon = (HICON)NULL;
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wc.hCursor = LoadCursorA((HINSTANCE)NULL,IDC_ARROWA);
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wc.hbrBackground = (HBRUSH)NULL;
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wc.lpszMenuName = NULL;
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wc.lpszClassName = IMM32_szIMEClass;
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if ( !RegisterClassA( &wc ) )
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return FALSE;
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return TRUE;
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}
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/***********************************************************************
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* IMM32_UnregisterClass (internal)
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*/
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void IMM32_UnregisterIMEWndClass( HINSTANCE hInstDLL )
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{
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(void)UnregisterClassA( IMM32_szIMEClass, hInstDLL );
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}
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/***********************************************************************
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* IMM32_CreateDefaultIMEWnd (internal)
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*/
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HWND IMM32_CreateDefaultIMEWnd( void )
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{
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return CreateWindowExA( 0L,
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IMM32_szIMEClass,
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IMM32_szIMEWindowName,
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WS_POPUP | WS_CLIPSIBLINGS | WS_OVERLAPPED,
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0, 0, 0, 0,
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(HWND)NULL,
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(HMENU)NULL,
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(HINSTANCE)GetModuleHandleA(NULL),
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NULL );
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}
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static BOOL IMM32_IsUIMessage( UINT nMsg )
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{
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switch ( nMsg )
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{
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case WM_IME_STARTCOMPOSITION:
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case WM_IME_ENDCOMPOSITION:
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case WM_IME_COMPOSITION:
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case WM_IME_SETCONTEXT:
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case WM_IME_NOTIFY:
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case WM_IME_COMPOSITIONFULL:
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case WM_IME_SELECT:
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case 0x287: /* What is this message? IMM32.DLL returns TRUE. */
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return TRUE;
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}
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return FALSE;
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}
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/***********************************************************************
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* ImmIsUIMessageA (IMM32.@)
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*/
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BOOL WINAPI ImmIsUIMessageA(
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HWND hwndIME, UINT msg, WPARAM wParam, LPARAM lParam)
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{
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TRACE("(0x%08x, %d, %d, %ld)\n",
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hwndIME, msg, wParam, lParam);
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if ( !IMM32_IsUIMessage( msg ) )
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return FALSE;
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if ( hwndIME == (HWND)NULL )
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return TRUE;
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switch ( msg )
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{
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case WM_IME_STARTCOMPOSITION:
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case WM_IME_ENDCOMPOSITION:
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case WM_IME_COMPOSITION:
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case WM_IME_SETCONTEXT:
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case WM_IME_NOTIFY:
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case WM_IME_COMPOSITIONFULL:
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case WM_IME_SELECT:
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SendMessageA( hwndIME, msg, wParam, lParam );
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break;
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case 0x287: /* What is this message? */
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FIXME("(0x%08x, %d, %d, %ld) - unknown message 0x287.\n",
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hwndIME, msg, wParam, lParam);
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SendMessageA( hwndIME, msg, wParam, lParam );
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break;
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}
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return TRUE;
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}
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/***********************************************************************
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* ImmIsUIMessageW (IMM32.@)
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*/
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BOOL WINAPI ImmIsUIMessageW(
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HWND hwndIME, UINT msg, WPARAM wParam, LPARAM lParam)
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{
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TRACE("(0x%08x, %d, %d, %ld)\n",
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hwndIME, msg, wParam, lParam);
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if ( !IMM32_IsUIMessage( msg ) )
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return FALSE;
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if ( hwndIME == (HWND)NULL )
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return TRUE;
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switch ( msg )
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{
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case WM_IME_STARTCOMPOSITION:
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case WM_IME_ENDCOMPOSITION:
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case WM_IME_COMPOSITION:
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case WM_IME_SETCONTEXT:
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case WM_IME_NOTIFY:
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case WM_IME_COMPOSITIONFULL:
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case WM_IME_SELECT:
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SendMessageW( hwndIME, msg, wParam, lParam );
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break;
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case 0x287: /* What is this message? */
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FIXME("(0x%08x, %d, %d, %ld) - unknown message 0x287.\n",
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hwndIME, msg, wParam, lParam);
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SendMessageW( hwndIME, msg, wParam, lParam );
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break;
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}
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return TRUE;
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}
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