dxutguiime.cpp

声音和图片的加载功能,不过运行起来有点卡

    // If we are rendering the candidate window, save the position
    // so that mouse clicks are checked properly.
    if( !bReading )
        s_CandList.rcCandidate = rc;

    // Render the elements
    m_pDialog->DrawRect( &rc, TextBkColor );
    if( ( ImeUi_IsVerticalCand() && !bReading ) ||
        ( !ImeUi_IsHorizontalReading() && bReading ) )
    {
        // Vertical candidate window
        for( UINT i = 0; i < nNumEntries; ++i )
        {
            // Here we are rendering one line at a time
            rc.bottom = rc.top + nSingleLineHeight;
            // Use a different color for the selected string
            if( ImeUi_GetCandidateSelection() == i )
            {
                m_pDialog->DrawRect( &rc, SelBkColor );
                m_Elements.GetAt( 1 )->FontColor.Current = SelTextColor;
            } else
                m_Elements.GetAt( 1 )->FontColor.Current = TextColor;

            m_pDialog->DrawText( ImeUi_GetCandidate( i ), m_Elements.GetAt( 1 ), &rc );

            rc.top += nSingleLineHeight;
        }
    } else
    {
        // Horizontal candidate window
        m_Elements.GetAt( 1 )->FontColor.Current = TextColor;
        if( bReading )
            m_pDialog->DrawText( s_wszReadingString, m_Elements.GetAt( 1 ), &rc );
        else
            m_pDialog->DrawText( s_CandList.HoriCand.GetBuffer(), m_Elements.GetAt( 1 ), &rc );

        // Render the selected entry differently
        if( !bReading )
        {
            int nXLeft, nXRight;
            s_CandList.HoriCand.CPtoX( s_CandList.nFirstSelected, FALSE, &nXLeft );
            s_CandList.HoriCand.CPtoX( s_CandList.nFirstSelected + s_CandList.nHoriSelectedLen, FALSE, &nXRight );

            rc.right = rc.left + nXRight;
            rc.left += nXLeft;
            m_pDialog->DrawRect( &rc, SelBkColor );
            m_Elements.GetAt( 1 )->FontColor.Current = SelTextColor;
            m_pDialog->DrawText( s_CandList.HoriCand.GetBuffer() + s_CandList.nFirstSelected,
                                  m_Elements.GetAt( 1 ), &rc, false, s_CandList.nHoriSelectedLen );
        }
    }
}


//--------------------------------------------------------------------------------------
void CDXUTIMEEditBox::RenderComposition( float fElapsedTime )
{
	
	s_CompString.SetText( ImeUi_GetCompositionString() );

    RECT rcCaret = { 0, 0, 0, 0 };
    int nX, nXFirst;
    m_Buffer.CPtoX( m_nCaret, FALSE, &nX );
    m_Buffer.CPtoX( m_nFirstVisible, FALSE, &nXFirst );
    CDXUTElement *pElement = m_Elements.GetAt( 1 );

    // Get the required width
    RECT rc = { m_rcText.left + nX - nXFirst, m_rcText.top,
                m_rcText.left + nX - nXFirst, m_rcText.bottom };
    m_pDialog->CalcTextRect( s_CompString.GetBuffer(), pElement, &rc );

    // If the composition string is too long to fit within
    // the text area, move it to below the current line.
    // This matches the behavior of the default IME.
    if( rc.right > m_rcText.right )
        OffsetRect( &rc, m_rcText.left - rc.left, rc.bottom - rc.top );

    // Save the rectangle position for processing highlighted text.
    RECT rcFirst = rc;

    // Update s_ptCompString for RenderCandidateReadingWindow().
    s_ptCompString.x = rc.left; s_ptCompString.y = rc.top;


    D3DCOLOR TextColor = m_CompColor;
    // Render the window and string.
    // If the string is too long, we must wrap the line.
    pElement->FontColor.Current = TextColor;
	const WCHAR *pwszComp = s_CompString.GetBuffer();
    int nCharLeft = s_CompString.GetTextSize() ;
    for( ; ; )
    {
        // Find the last character that can be drawn on the same line.
        int nLastInLine;
        int bTrail;
        s_CompString.XtoCP( m_rcText.right - rc.left, &nLastInLine, &bTrail );
        int nNumCharToDraw = __min( nCharLeft, nLastInLine );
        m_pDialog->CalcTextRect( pwszComp, pElement, &rc, nNumCharToDraw );

        // Draw the background
        // For Korean IME, blink the composition window background as if it
        // is a cursor.
        if( GetPrimaryLanguage() == LANG_KOREAN )
        {
            if( m_bCaretOn )
            {
                m_pDialog->DrawRect( &rc, m_CompWinColor );
            }
            else
            {
                // Not drawing composition string background. We
                // use the editbox's text color for composition
                // string text.
                TextColor = m_Elements.GetAt(0)->FontColor.States[DXUT_STATE_NORMAL];
            }
        } else
        {
            // Non-Korean IME. Always draw composition background.
            m_pDialog->DrawRect( &rc, m_CompWinColor );
        }

        // Draw the text
        pElement->FontColor.Current = TextColor;
        m_pDialog->DrawText( pwszComp, pElement, &rc, false, nNumCharToDraw );

        // Advance pointer and counter
        nCharLeft -= nNumCharToDraw;
        pwszComp += nNumCharToDraw;
        if( nCharLeft <= 0 )
            break;

        // Advance rectangle coordinates to beginning of next line
        OffsetRect( &rc, m_rcText.left - rc.left, rc.bottom - rc.top );
    }

    // Load the rect for the first line again.
    rc = rcFirst;

    // Inspect each character in the comp string.
    // For target-converted and target-non-converted characters,
    // we display a different background color so they appear highlighted.
    int nCharFirst = 0;
    nXFirst = 0;
    s_nFirstTargetConv = -1;
    BYTE *pAttr;
    const WCHAR *pcComp;
    for( pcComp = s_CompString.GetBuffer(), pAttr = ImeUi_GetCompStringAttr();
          *pcComp != L'\0'; ++pcComp, ++pAttr )
    {
        D3DCOLOR bkColor;

        // Render a different background for this character
        int nXLeft, nXRight;
        s_CompString.CPtoX( int(pcComp - s_CompString.GetBuffer() ), FALSE, &nXLeft );
        s_CompString.CPtoX( int(pcComp - s_CompString.GetBuffer() ), TRUE, &nXRight );

        // Check if this character is off the right edge and should
        // be wrapped to the next line.
        if( nXRight - nXFirst > m_rcText.right - rc.left )
        {
            // Advance rectangle coordinates to beginning of next line
            OffsetRect( &rc, m_rcText.left - rc.left, rc.bottom - rc.top );

            // Update the line's first character information
            nCharFirst = int( pcComp - s_CompString.GetBuffer() );
            s_CompString.CPtoX( nCharFirst, FALSE, &nXFirst );
        }

        // If the caret is on this character, save the coordinates
        // for drawing the caret later.
        if( ImeUi_GetImeCursorChars() == (DWORD)(pcComp - s_CompString.GetBuffer() ) )
        {
            rcCaret = rc;
            rcCaret.left += nXLeft - nXFirst - 1;
            rcCaret.right = rcCaret.left + 2;
        }

        // Set up color based on the character attribute
        if( *pAttr == ATTR_TARGET_CONVERTED )
        {
            pElement->FontColor.Current = m_CompTargetColor;
            bkColor = m_CompTargetBkColor;
        }
        else
        if( *pAttr == ATTR_TARGET_NOTCONVERTED )
        {
            pElement->FontColor.Current = m_CompTargetNonColor;
            bkColor = m_CompTargetNonBkColor;
        }
        else
        {
            continue;
        }

        RECT rcTarget = { rc.left + nXLeft - nXFirst, rc.top, rc.left + nXRight - nXFirst, rc.bottom };
        m_pDialog->DrawRect( &rcTarget, bkColor );
        m_pDialog->DrawText( pcComp, pElement, &rcTarget, false, 1 );

        // Record the first target converted character's index
        if( -1 == s_nFirstTargetConv )
            s_nFirstTargetConv = int(pAttr - ImeUi_GetCompStringAttr() );
    }

    // Render the composition caret
    if( m_bCaretOn )
    {
        // If the caret is at the very end, its position would not have
        // been computed in the above loop.  We compute it here.
        if( ImeUi_GetImeCursorChars() == (DWORD)s_CompString.GetTextSize() )
        {
            s_CompString.CPtoX( ImeUi_GetImeCursorChars(), FALSE, &nX );
            rcCaret = rc;
            rcCaret.left += nX - nXFirst - 1;
            rcCaret.right = rcCaret.left + 2;
        }

        m_pDialog->DrawRect( &rcCaret, m_CompCaretColor );
    }
}


//--------------------------------------------------------------------------------------
void CDXUTIMEEditBox::RenderIndicator( float fElapsedTime )
{
    CDXUTElement *pElement = m_Elements.GetAt( 9 );
    pElement->TextureColor.Blend( DXUT_STATE_NORMAL, fElapsedTime );

    m_pDialog->DrawSprite( pElement, &m_rcIndicator, DXUT_NEAR_BUTTON_DEPTH );
    RECT rc = m_rcIndicator;
    InflateRect( &rc, -m_nSpacing, -m_nSpacing );

	pElement->FontColor.Current = m_IndicatorImeColor;
	RECT rcCalc = { 0, 0, 0, 0 };
    // If IME system is off, draw English indicator.
	WCHAR *pwszIndicator = ImeUi_IsEnabled() ? ImeUi_GetIndicatior() : L"En";

    m_pDialog->CalcTextRect( pwszIndicator, pElement, &rcCalc );
    m_pDialog->DrawText( pwszIndicator, pElement, &rc );
}


//--------------------------------------------------------------------------------------
void CDXUTIMEEditBox::Render( float fElapsedTime )
{
    if( m_bVisible == false )
        return;

    // If we have not computed the indicator symbol width,
    // do it.
    if( !m_nIndicatorWidth )
    {
		RECT rc = { 0, 0, 0, 0 };
		m_pDialog->CalcTextRect( L"En", m_Elements.GetAt( 9 ), &rc );
		m_nIndicatorWidth = rc.right - rc.left;

		// Update the rectangles now that we have the indicator's width
        UpdateRects();
    }

    // Let the parent render first (edit control)
    CDXUTEditBox::Render( fElapsedTime );

    CDXUTElement* pElement = GetElement( 1 );
    if( pElement )
    {
        s_CompString.SetFontNode( m_pDialog->GetFont( pElement->iFont ) );
        s_CandList.HoriCand.SetFontNode( m_pDialog->GetFont( pElement->iFont ) );
    }

    //
    // Now render the IME elements
    //

	ImeUi_RenderUI();

    if( m_bHasFocus )	
    {
        // Render the input locale indicator
        RenderIndicator( fElapsedTime );

        // Display the composition string.
        // This method should also update s_ptCompString
        // for RenderCandidateReadingWindow.
        RenderComposition( fElapsedTime );

        // Display the reading/candidate window. RenderCandidateReadingWindow()
        // uses s_ptCompString to position itself.  s_ptCompString must have
        // been filled in by RenderComposition().
        if( ImeUi_IsShowReadingWindow() )
            // Reading window
            RenderCandidateReadingWindow( fElapsedTime, true );
        else
        if( ImeUi_IsShowCandListWindow() )
            // Candidate list window
            RenderCandidateReadingWindow( fElapsedTime, false );
    }
}


//--------------------------------------------------------------------------------------
void CDXUTIMEEditBox::SetImeEnableFlag(bool bFlag)
{
	s_bImeFlag = bFlag;
}


//--------------------------------------------------------------------------------------
void CDXUTIMEEditBox::Initialize( HWND hWnd )
{
	ImeUiCallback_DrawRect = NULL;
	ImeUiCallback_Malloc = malloc;
	ImeUiCallback_Free = free;
	ImeUiCallback_DrawFans = NULL;

	ImeUi_Initialize( hWnd );
	
    s_CompString.SetBufferSize( MAX_COMPSTRING_SIZE );
	ImeUi_EnableIme( true );
}