dxutgui.cpp

在GPU上实现数值模拟技术（线性方程组）的通用架构

    {
        CDXUTControl* pControl = m_Controls.GetAt(i);

        if( pControl == NULL )
        {
            continue;
        }

        // We only return the current control if it is visible
        // and enabled.  Because GetControlAtPoint() is used to do mouse
        // hittest, it makes sense to perform this filtering.
        if( pControl->ContainsPoint( pt ) && pControl->GetEnabled() && pControl->GetVisible() )
        {
            return pControl;
        }
    }

    return NULL;
}


//--------------------------------------------------------------------------------------
bool CDXUTDialog::GetControlEnabled( int ID )
{
    CDXUTControl* pControl = GetControl( ID );
    if( pControl == NULL )
        return false;

    return pControl->GetEnabled();
}



//--------------------------------------------------------------------------------------
void CDXUTDialog::SetControlEnabled( int ID, bool bEnabled )
{
    CDXUTControl* pControl = GetControl( ID );
    if( pControl == NULL )
        return;

    pControl->SetEnabled( bEnabled );
}


//--------------------------------------------------------------------------------------
void CDXUTDialog::OnMouseUp( POINT pt )
{
    s_pControlPressed = NULL;
    m_pControlMouseOver = NULL;
}

//--------------------------------------------------------------------------------------
void CDXUTDialog::OnMouseMove( POINT pt )
{
    // Figure out which control the mouse is over now
    CDXUTControl* pControl = GetControlAtPoint( pt );

    // If the mouse is still over the same control, nothing needs to be done
    if( pControl == m_pControlMouseOver )
        return;

    // Handle mouse leaving the old control
    if( m_pControlMouseOver )
        m_pControlMouseOver->OnMouseLeave();

    // Handle mouse entering the new control
    m_pControlMouseOver = pControl;
    if( pControl != NULL )
        m_pControlMouseOver->OnMouseEnter();
}


//--------------------------------------------------------------------------------------
HRESULT CDXUTDialog::SetDefaultElement( UINT nControlType, UINT iElement, CDXUTElement* pElement )
{
    // If this Element type already exist in the list, simply update the stored Element
    for( int i=0; i < m_DefaultElements.GetSize(); i++ )
    {
        DXUTElementHolder* pElementHolder = m_DefaultElements.GetAt( i );
        
        if( pElementHolder->nControlType == nControlType &&
            pElementHolder->iElement == iElement )
        {
            pElementHolder->Element = *pElement;
            return S_OK;
        }
    }

    // Otherwise, add a new entry
    DXUTElementHolder* pNewHolder;
    pNewHolder = new DXUTElementHolder;
    if( pNewHolder == NULL )
        return E_OUTOFMEMORY;

    pNewHolder->nControlType = nControlType;
    pNewHolder->iElement = iElement;
    pNewHolder->Element = *pElement;

    m_DefaultElements.Add( pNewHolder );
    return S_OK;
}


//--------------------------------------------------------------------------------------
CDXUTElement* CDXUTDialog::GetDefaultElement( UINT nControlType, UINT iElement )
{
    for( int i=0; i < m_DefaultElements.GetSize(); i++ )
    {
        DXUTElementHolder* pElementHolder = m_DefaultElements.GetAt( i );
        
        if( pElementHolder->nControlType == nControlType &&
            pElementHolder->iElement == iElement )
        {
            return &pElementHolder->Element;
        }
    }
    
    return NULL;
}



//--------------------------------------------------------------------------------------
HRESULT CDXUTDialog::AddStatic( int ID, LPCWSTR strText, int x, int y, int width, int height, bool bIsDefault, CDXUTStatic** ppCreated )
{
    HRESULT hr = S_OK;

    CDXUTStatic* pStatic = new CDXUTStatic( this );

    if( ppCreated != NULL )
        *ppCreated = pStatic;

    if( pStatic == NULL )
        return E_OUTOFMEMORY;

    hr = AddControl( pStatic );
    if( FAILED(hr) )
        return hr;

    // Set the ID and list index
    pStatic->SetID( ID ); 
    pStatic->SetText( strText );
    pStatic->SetLocation( x, y );
    pStatic->SetSize( width, height );
    pStatic->m_bIsDefault = bIsDefault;

    return S_OK;
}


//--------------------------------------------------------------------------------------
HRESULT CDXUTDialog::AddButton( int ID, LPCWSTR strText, int x, int y, int width, int height, UINT nHotkey, bool bIsDefault, CDXUTButton** ppCreated )
{
    HRESULT hr = S_OK;

    CDXUTButton* pButton = new CDXUTButton( this );

    if( ppCreated != NULL )
        *ppCreated = pButton;

    if( pButton == NULL )
        return E_OUTOFMEMORY;

    hr = AddControl( pButton );
    if( FAILED(hr) )
        return hr;

    // Set the ID and list index
    pButton->SetID( ID ); 
    pButton->SetText( strText );
    pButton->SetLocation( x, y );
    pButton->SetSize( width, height );
    pButton->SetHotkey( nHotkey );
    pButton->m_bIsDefault = bIsDefault;

    return S_OK;
}


//--------------------------------------------------------------------------------------
HRESULT CDXUTDialog::AddCheckBox( int ID, LPCWSTR strText, int x, int y, int width, int height, bool bChecked, UINT nHotkey, bool bIsDefault, CDXUTCheckBox** ppCreated )
{
    HRESULT hr = S_OK;

    CDXUTCheckBox* pCheckBox = new CDXUTCheckBox( this );

    if( ppCreated != NULL )
        *ppCreated = pCheckBox;

    if( pCheckBox == NULL )
        return E_OUTOFMEMORY;

    hr = AddControl( pCheckBox );
    if( FAILED(hr) )
        return hr;

    // Set the ID and list index
    pCheckBox->SetID( ID ); 
    pCheckBox->SetText( strText );
    pCheckBox->SetLocation( x, y );
    pCheckBox->SetSize( width, height );
    pCheckBox->SetHotkey( nHotkey );
    pCheckBox->m_bIsDefault = bIsDefault;
    pCheckBox->SetChecked( bChecked );
    
    return S_OK;
}



//--------------------------------------------------------------------------------------
HRESULT CDXUTDialog::AddRadioButton( int ID, UINT nButtonGroup, LPCWSTR strText, int x, int y, int width, int height, bool bChecked, UINT nHotkey, bool bIsDefault, CDXUTRadioButton** ppCreated )
{
    HRESULT hr = S_OK;

    CDXUTRadioButton* pRadioButton = new CDXUTRadioButton( this );

    if( ppCreated != NULL )
        *ppCreated = pRadioButton;

    if( pRadioButton == NULL )
        return E_OUTOFMEMORY;

    hr = AddControl( pRadioButton );
    if( FAILED(hr) )
        return hr;

    // Set the ID and list index
    pRadioButton->SetID( ID ); 
    pRadioButton->SetText( strText );
    pRadioButton->SetButtonGroup( nButtonGroup );
    pRadioButton->SetLocation( x, y );
    pRadioButton->SetSize( width, height );
    pRadioButton->SetHotkey( nHotkey );
    pRadioButton->SetChecked( bChecked );
    pRadioButton->m_bIsDefault = bIsDefault;
    pRadioButton->SetChecked( bChecked );

    return S_OK;
}




//--------------------------------------------------------------------------------------
HRESULT CDXUTDialog::AddComboBox( int ID, int x, int y, int width, int height, UINT nHotkey, bool bIsDefault, CDXUTComboBox** ppCreated )
{
    HRESULT hr = S_OK;

    CDXUTComboBox* pComboBox = new CDXUTComboBox( this );

    if( ppCreated != NULL )
        *ppCreated = pComboBox;

    if( pComboBox == NULL )
        return E_OUTOFMEMORY;

    hr = AddControl( pComboBox );
    if( FAILED(hr) )
        return hr;

    // Set the ID and list index
    pComboBox->SetID( ID ); 
    pComboBox->SetLocation( x, y );
    pComboBox->SetSize( width, height );
    pComboBox->SetHotkey( nHotkey );
    pComboBox->m_bIsDefault = bIsDefault;

    return S_OK;
}



//--------------------------------------------------------------------------------------
HRESULT CDXUTDialog::AddSlider( int ID, int x, int y, int width, int height, int min, int max, int value, bool bIsDefault, CDXUTSlider** ppCreated )
{
    HRESULT hr = S_OK;

    CDXUTSlider* pSlider = new CDXUTSlider( this );

    if( ppCreated != NULL )
        *ppCreated = pSlider;

    if( pSlider == NULL )
        return E_OUTOFMEMORY;

    hr = AddControl( pSlider );
    if( FAILED(hr) )
        return hr;

    // Set the ID and list index
    pSlider->SetID( ID ); 
    pSlider->SetLocation( x, y );
    pSlider->SetSize( width, height );
    pSlider->m_bIsDefault = bIsDefault;
    pSlider->SetRange( min, max );
    pSlider->SetValue( value );

    return S_OK;
}



//--------------------------------------------------------------------------------------
HRESULT CDXUTDialog::AddEditBox( int ID, LPCWSTR strText, int x, int y, int width, int height, bool bIsDefault, CDXUTEditBox** ppCreated )
{
    HRESULT hr = S_OK;

    CDXUTEditBox *pEditBox = new CDXUTEditBox( this );

    if( ppCreated != NULL )
        *ppCreated = pEditBox;

    if( pEditBox == NULL )
        return E_OUTOFMEMORY;

    hr = AddControl( pEditBox );
    if( FAILED(hr) )
        return hr;

    // Set the ID and position
    pEditBox->SetID( ID ); 
    pEditBox->SetLocation( x, y );
    pEditBox->SetSize( width, height );
    pEditBox->m_bIsDefault = bIsDefault;

    if( strText )
        pEditBox->SetText( strText );

    return S_OK;
}



//--------------------------------------------------------------------------------------
HRESULT CDXUTDialog::AddIMEEditBox( int ID, LPCWSTR strText, int x, int y, int width, int height, bool bIsDefault, CDXUTIMEEditBox** ppCreated )
{
    HRESULT hr = S_OK;
    CDXUTIMEEditBox *pEditBox = new CDXUTIMEEditBox( this );

    if( ppCreated != NULL )
        *ppCreated = pEditBox;

    if( pEditBox == NULL )
        return E_OUTOFMEMORY;

    hr = AddControl( pEditBox );
    if( FAILED(hr) )
        return hr;

    // Set the ID and position
    pEditBox->SetID( ID ); 
    pEditBox->SetLocation( x, y );
    pEditBox->SetSize( width, height );
    pEditBox->m_bIsDefault = bIsDefault;

    if( strText )
        pEditBox->SetText( strText );

    return S_OK;
}



//--------------------------------------------------------------------------------------
HRESULT CDXUTDialog::AddListBox( int ID, int x, int y, int width, int height, DWORD dwStyle, CDXUTListBox** ppCreated )
{
    HRESULT hr = S_OK;
    CDXUTListBox *pListBox = new CDXUTListBox( this );

    if( ppCreated != NULL )
        *ppCreated = pListBox;

    if( pListBox == NULL )
        return E_OUTOFMEMORY;

    hr = AddControl( pListBox );
    if( FAILED(hr) )
        return hr;

    // Set the ID and position
    pListBox->SetID( ID );
    pListBox->SetLocation( x, y );
    pListBox->SetSize( width, height );
    pListBox->SetStyle( dwStyle );

    return S_OK;
}



//--------------------------------------------------------------------------------------
HRESULT CDXUTDialog::InitControl( CDXUTControl* pControl )
{
    HRESULT hr;

    if( pControl == NULL )
        return E_INVALIDARG;

    pControl->m_Index = m_Controls.GetSize();