Sweden-Number/dlls/imm32/imewnd.c

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