imewin.c

一套在嵌入式系统中使用的拼音输入法

{
	return _lGUI_pImeWindow->dwData >>28;
}


static void 
SetCurrentIme(
	int iIme
)
{
	_lGUI_pImeWindow->dwData = _lGUI_pImeWindow->dwData & 0x0fffffff | iIme << 28;

}


//chinese input method operate abstract functioin

static BOOL
LGUIInitIme()
{
	int iIndex;
	PLGUIIme pIme;
	iIndex = GetCurrentIme();
	pIme = GetImePointerByIndex(iIndex);
	if(!pIme)
		return false;
	return pIme->InitIme();
}

static void 
LGUIDestroyIme()
{
	int iIndex;
	PLGUIIme pIme;
	iIndex = GetCurrentIme();
	pIme = GetImePointerByIndex(iIndex);
	if(!pIme)
		return;
	pIme->DestroyIme();
}


static void 
LGUIResetIme()
{
	int iIndex;
	PLGUIIme pIme;
	iIndex = GetCurrentIme();
	pIme = GetImePointerByIndex(iIndex);
	if(!pIme)
		return;
	pIme->ResetIme();
}


static BOOL
LGUICharArrived(
	char ch
)
{
	int iIndex;
	PLGUIIme pIme;
	iIndex = GetCurrentIme();
	pIme = GetImePointerByIndex(iIndex);
	if(!pIme)
		return false;
	return pIme->CharArrived(ch);
}


static void
LGUIFillBackwardSelection()
{
	int iIndex;
	PLGUIIme pIme;
	iIndex = GetCurrentIme();
	pIme = GetImePointerByIndex(iIndex);
	if(!pIme)
		return;
	pIme->FillBackwardSelection();
}


static void
LGUIFillForwardSelection()
{
	int iIndex;
	PLGUIIme pIme;
	iIndex = GetCurrentIme();
	pIme = GetImePointerByIndex(iIndex);
	if(!pIme)
		return;
	pIme->FillForwardSelection();
}




static BOOL
IsChineseIme(
	int iIme
)
{
	if((iIme == IME_STATUS_ENGLISH) ||
		(iIme == IME_STATUS_HANDWRITE))
		return false;
	else
		return true;
}


static BOOL 
ReadImeBmp(
	HWND hWnd
)
{
	PWindowsTree pWin;
	char* pEnvStr;
	char pString[256];
	char* pData;
	FILE* fp;
	pWin = (PWindowsTree)hWnd;
	if(!pWin)
		return false;

	pData = (char*)malloc(IMEWIN_WIDTH*IMEWIN_HEIGHT*_lGUI_iBytesDataType);
	if(!pData)
		return false;
	pEnvStr=getenv("LGUI_HOME");
	if(!pEnvStr)
		return false;
	strcpy(pString,pEnvStr);
	strcat(pString,IMEBMP_BACKGROUND);
	fp = fopen(pString,"rb");
	if(!fp)
		return false;
	ReadBmpToBuf(fp,IMEWIN_WIDTH,IMEWIN_HEIGHT,pData);
	fclose(fp);

	pWin->dwAddData = (DWORD)pData;
	return true;
}


static void 
FreeImeBmp(
	HWND hWnd
)
{
	PWindowsTree pWin;
	pWin = (PWindowsTree)hWnd;
	free((void*)(pWin->dwAddData));
}



static void 
RefreshListArea(
	HDC hDC
)
{
	int iLeft, iTop, iWidth, iHeight;

	iLeft = IMEWIN_BORDER;
	iTop = IMEWIN_BORDER;
	iWidth = IMEWIN_LIST_WIDTH;
	iHeight = IMEWIN_HEIGHT - 2*IMEWIN_BORDER;
	FillRectangle(hDC,iLeft,iTop,iWidth-iLeft-1,iHeight-iTop-1,RGB_WHITE,RGB_WHITE);
}


static void 
RefreshInputArea(
	HDC hDC
)
{
	int iLeft, iTop, iWidth, iHeight;

	iLeft = 2 * IMEWIN_BORDER + IMEWIN_LIST_WIDTH ;
	iTop = IMEWIN_BORDER;
	iWidth = IMEWIN_INPUT_WIDTH;
	iHeight = IMEWIN_HEIGHT - 2*IMEWIN_BORDER;

	FillRectangle(hDC,iLeft,iTop,iWidth-iLeft-1,iHeight-iTop-1,RGB_WHITE,RGB_WHITE);
}


static void 
InvertLeftKey(
	HDC hDC
)
{
	char* pData;
	int iLeft, iTop, iWidth, iHeight;
	int x,y;
	pData = (char*)(hDC->pData);
	if(!pData)
		return;
	iLeft = 3 * IMEWIN_BORDER + IMEWIN_LIST_WIDTH + IMEWIN_INPUT_WIDTH;
	iTop = IMEWIN_BORDER;
	iWidth = IMEWIN_BUTTON_WIDTH * _lGUI_iBytesDataType;
	iHeight = IMEWIN_HEIGHT - 2 * IMEWIN_BORDER;
	pData+= (iTop * IMEWIN_WIDTH + iLeft) * _lGUI_iBytesDataType;

	for(y=0;y<iHeight;y++){
		for(x=0;x<iWidth;x++){
			*(pData+x) = ~(*(pData+x));
		}
		pData+= IMEWIN_WIDTH * _lGUI_iBytesDataType;
	}
}


static void 
InvertRightKey(
	HDC hDC
)
{
	char* pData;
	int iLeft, iTop, iWidth, iHeight;
	int x,y;
	pData = (char*)(hDC->pData);
	if(!pData)
		return;
	iLeft = 4 * IMEWIN_BORDER + IMEWIN_LIST_WIDTH + IMEWIN_INPUT_WIDTH + IMEWIN_BUTTON_WIDTH;
	iTop = IMEWIN_BORDER;
	iWidth = IMEWIN_BUTTON_WIDTH * _lGUI_iBytesDataType;
	iHeight = IMEWIN_HEIGHT - 2 * IMEWIN_BORDER;
	pData+= (iTop * IMEWIN_WIDTH + iLeft) * _lGUI_iBytesDataType;

	for(y=0;y<iHeight;y++){
		for(x=0;x<iWidth;x++){
			*(pData+x) = ~(*(pData+x));
		}
		pData+= IMEWIN_WIDTH * _lGUI_iBytesDataType;
	}
}


static void 
SetLeftKeyPressed(
	HWND hWnd
)
{
	PWindowsTree pWin;
	int iValue = 1;
	pWin = (PWindowsTree)hWnd;
	if(!pWin)
		return;

	pWin->dwData = pWin->dwData & 0xf0ffffff | iValue << 24;
}


static void 
SetRightKeyPressed(
	HWND hWnd
)
{
	PWindowsTree pWin;
	int iValue = 1;
	pWin = (PWindowsTree)hWnd;
	if(!pWin)
		return;

	pWin->dwData = pWin->dwData & 0xf0ffffff | iValue << 25;
}


static void 
SetNoKeyPressed(
	HWND hWnd
)
{
	PWindowsTree pWin;
	pWin = (PWindowsTree)hWnd;
	if(!pWin)
		return;
	pWin->dwData = pWin->dwData & 0xf0ffffff;

}


static BOOL 
IsLeftKeyPressed(
	HWND hWnd
)
{
	int iValue;
	PWindowsTree pWin;
	pWin = (PWindowsTree)hWnd;
	if(!pWin)
		return false;

	iValue = (pWin->dwData >> 24 ) & 0x00000f;


	if(iValue == IME_LEFT_PRESSED)
		return true;
	else
		return false;
}


static BOOL 
IsRightKeyPressed(
	HWND hWnd
)
{
	int iValue;
	PWindowsTree pWin;
	pWin = (PWindowsTree)hWnd;
	if(!pWin)
		return false;

	iValue = (pWin->dwData >> 24 ) & 0x00000f;

	if(iValue == IME_RIGHT_PRESSED)
		return true;
	else
		return false;
}



static int 
IsDbcOrSbc(
	HWND hWnd
)
{
	PWindowsTree pWin;
	pWin = (PWindowsTree)hWnd;
	if(!pWin)
		return false;
	return (pWin->dwData & 0x00f00000)>> 20;
}


static char* 
Sbc2Dbc(
	char c
)
{
	int i;
	for(i=0;i<SBC2DBC_TABLE_LENGTH;i++){
		if(sbc_dbc_table[i].sbc == c)
			break;
	}
	if(i == SBC2DBC_TABLE_LENGTH)
		return NULL;
	else
		return sbc_dbc_table[i].dbc;
}


static void 
RefreshListDisplay(
	HWND hWnd
)
{
	PWindowsTree pWin;
	RECT rcList;
	HDC hDC,hDCMem;
	HGDIOBJ hFont;
	pWin = (PWindowsTree)hWnd;
	if(!pWin)
		return;
	SetRect(&rcList,0,0,IMEWIN_LIST_WIDTH - IMEWIN_BORDER,IMEWIN_HEIGHT - 3 * IMEWIN_BORDER);

	hDC = GetWindowDC(hWnd);
	if(!hDC)
		return;
	hDCMem = CreateCompatibleDC(hDC);
	if(!hDCMem)
		return;
	FillRectangle(hDCMem,
		rcList.left,rcList.top,rcList.right,rcList.bottom,
		RGB_WHITE,RGB_WHITE);
	hFont = GetStockObject(FONT_12_12);
	SelectObject(hDCMem,hFont);
	DeleteObject(hFont);
	DrawText(hDCMem, imeDataTable.pListChars, strlen(imeDataTable.pListChars),
		&rcList, DT_LEFT | DT_VCENTER);
	BitBlt(hDC,
		0,
		0,
		IMEWIN_LIST_WIDTH,
		IMEWIN_HEIGHT - 2*IMEWIN_BORDER,
		hDCMem,
		0,0,
		SRCCOPY);
	ReleaseDC(hWnd,hDCMem);

	ReleaseDC(hWnd,hDC);
}


static void 
RefreshInputDisplay(
	HWND hWnd
)
{
	PWindowsTree pWin;
	RECT rcInput;
	HDC hDC,hDCMem;
	HGDIOBJ hFont;

	pWin = (PWindowsTree)hWnd;
	if(!pWin)
		return;
	SetRect(&rcInput,
		IMEWIN_BORDER + IMEWIN_LIST_WIDTH,
		0,
		IMEWIN_BORDER + IMEWIN_LIST_WIDTH + IMEWIN_INPUT_WIDTH,
		IMEWIN_HEIGHT - 3 * IMEWIN_BORDER);
	hDC = GetWindowDC(hWnd);
	if(!hDC)
		return;
	hDCMem = CreateCompatibleDC(hDC);
	if(!hDCMem)
		return;
	FillRectangle(hDCMem,
		rcInput.left,rcInput.top,rcInput.right,rcInput.bottom,
		RGB_WHITE,RGB_WHITE);

	hFont = GetStockObject(FONT_12_12);
	SelectObject(hDCMem,hFont);
	DeleteObject(hFont);
	DrawText(hDCMem, imeDataTable.pTotalInputChars, 
		strlen(imeDataTable.pTotalInputChars), &rcInput, DT_LEFT | DT_VCENTER);
	BitBlt(hDC,
		IMEWIN_BORDER + IMEWIN_LIST_WIDTH,
		0,
		IMEWIN_INPUT_WIDTH,
		IMEWIN_HEIGHT - 2*IMEWIN_BORDER,
		hDCMem,
		IMEWIN_BORDER + IMEWIN_LIST_WIDTH,
		0,
		SRCCOPY);
	ReleaseDC(hWnd,hDCMem);

	ReleaseDC(hWnd,hDC);
}






void 
MoveUpImeWindow()
{
	MoveWindowTo((HWND)_lGUI_pImeWindow,IMEWIN_LEFT,IMEWIN_TOP);
}


void 
MoveDownImeWindow()
{
	MoveWindowTo((HWND)_lGUI_pImeWindow,IMEWIN_LEFT,DESK_TASKBAR_TOP - IMEWIN_HEIGHT);

}


void 
ShowImeWindow()
{
	if(IsVisible((HWND)_lGUI_pSkbWindow)){
		MoveUpImeWindow();
	}
	else{
		MoveDownImeWindow();
	}
	if(!IsVisible((HWND)_lGUI_pImeWindow))
		ShowWindow((HWND)_lGUI_pImeWindow,true);
}


void 
HideImeWindow()
{
	if(IsVisible((HWND)_lGUI_pImeWindow))
		ShowWindow((HWND)_lGUI_pImeWindow,false);
}

void 
SwitchIme()
{
	int iCurIme;

	PTaskBar pTaskBar;
	PTaskBarItem pItemIme;
	
	pTaskBar = (PTaskBar)(_lGUI_pTaskBarWindow->dwAddData);
	if(!pTaskBar)
		return;
	pItemIme = pTaskBar->pItemIme;
	if(!pItemIme)
		return;
	iCurIme = GetCurrentIme();
	if(iCurIme == pItemIme->iCurValue)
		return;

	SetCurrentIme(pItemIme->iCurValue);
	
	switch(pItemIme->iCurValue){
	case IME_STATUS_ENGLISH:
		HideImeWindow();
		break;
	case IME_STATUS_HANDWRITE:
		if(!IsVisible((HWND)_lGUI_pImeWindow)){
			if(IsVisible((HWND)_lGUI_pSkbWindow)){
				MoveUpImeWindow();
				ShowImeWindow();
			}
			else{
				MoveDownImeWindow();
				ShowImeWindow();
			}
		}
		break;
	default:		//installed chinese input method including pinyin and wubi etc.
		if(!IsVisible((HWND)_lGUI_pImeWindow)){
			if(IsVisible((HWND)_lGUI_pSkbWindow)){
				MoveUpImeWindow();
				ShowImeWindow();
			}
			else{
				MoveDownImeWindow();
				ShowImeWindow();
			}
		}

		LGUIInitIme();
		break;
		
	}
	
}


void 
SetDbc()
{
	_lGUI_pImeWindow->dwData = _lGUI_pImeWindow->dwData | 0x00100000;
}


void 
SetSbc()
{
	_lGUI_pImeWindow->dwData = _lGUI_pImeWindow->dwData & 0xff0fffff;
}


void 
SwitchDbc(
	BOOL bValue
)
{
	if(bValue)
		SetDbc();
	else
		SetSbc();
}