AOO410/main/svtools/source/control/hyperlabel.cxx

/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_svtools.hxx"
#ifndef SVTOOLS_ROADMAP_HXX
#include <svtools/hyperlabel.hxx>
#endif
#include <vcl/bitmap.hxx>
#include <tools/color.hxx>

#ifndef _VCL_TABPAGE_HXX
#include <vcl/tabpage.hxx>
#endif


//.........................................................................
namespace svt
{
//.........................................................................

	//=====================================================================
	//= FontChanger
	//=====================================================================
	class FontChanger
	{
	protected:
		OutputDevice*	m_pDev;

	public:
		FontChanger( OutputDevice* _pDev, const Font& _rNewFont )
			:m_pDev( _pDev )
		{
			m_pDev->Push( PUSH_FONT );
			m_pDev->SetFont( _rNewFont );
		}

		~FontChanger()
		{
			m_pDev->Pop( );
		}
	};

	class HyperLabelImpl
	{
	public:
        sal_Int16           ID;
        sal_Int32           Index;
        sal_Bool            bInteractive;
        Size                m_aMinSize;
        sal_Bool            m_bHyperMode;
        
		HyperLabelImpl();
	};

	//---------------------------------------------------------------------
	HyperLabelImpl::HyperLabelImpl()
	{
	}

	HyperLabel::HyperLabel( Window* _pParent, const ResId& _rId )
		:FixedText( _pParent, _rId )
		,m_pImpl( new HyperLabelImpl )
	{
		implInit();
	}
    
    HyperLabel::HyperLabel( Window* _pParent, WinBits _nWinStyle )
		:FixedText( _pParent, _nWinStyle )
		,m_pImpl( new HyperLabelImpl )
	{
		implInit();
	}


	sal_Int32 HyperLabel::GetLogicWidth()
	{
		Size rLogicLocSize = PixelToLogic( m_pImpl->m_aMinSize, MAP_APPFONT );
		return rLogicLocSize.Width();	
	}


    Size HyperLabel::CalcMinimumSize( long nMaxWidth ) const
    {
        m_pImpl->m_aMinSize = FixedText::CalcMinimumSize( nMaxWidth );
        // the MinimumSize is used to size the FocusRectangle
        // and for the MouseMove method
		m_pImpl->m_aMinSize.Height() += 2; 
        m_pImpl->m_aMinSize.Width() += 1;
        return m_pImpl->m_aMinSize;
    }

	void HyperLabel::implInit()
	{
        ToggleBackgroundColor( COL_TRANSPARENT );

        WinBits nWinStyle = GetStyle();
        nWinStyle |= WB_EXTRAOFFSET;
        SetStyle( nWinStyle );

        Show();
	}

	void HyperLabel::ToggleBackgroundColor( const Color& _rGBColor ) 
	{ 
		const StyleSettings& rStyleSettings = GetSettings().GetStyleSettings();
		SetControlBackground( _rGBColor ); 
		if (_rGBColor == COL_TRANSPARENT)
	        SetTextColor( rStyleSettings.GetFieldTextColor( ) );			
		else
	        SetTextColor( rStyleSettings.GetHighlightTextColor( ) );			
	}


    void HyperLabel::MouseMove( const MouseEvent& rMEvt )
    {
   		Font aFont = GetControlFont( );
        const Color aColor = GetTextColor();
        
        if (rMEvt.IsLeaveWindow())
        {
            DeactivateHyperMode(aFont, aColor);
        }
        else
        {
            Point aPoint = GetPointerPosPixel();
            if (aPoint.X() < m_pImpl->m_aMinSize.Width())
            {
                if ( IsEnabled() && (m_pImpl->bInteractive) )
                {
                    ActivateHyperMode( aFont, aColor);
                    return;
                }
            }
            DeactivateHyperMode(aFont, aColor);
        }
    } 

    void HyperLabel::ActivateHyperMode(Font aFont, const Color aColor)
    {
        aFont.SetUnderline(UNDERLINE_SINGLE);
        m_pImpl->m_bHyperMode = sal_True;
        SetPointer( POINTER_REFHAND );
        SetControlFont( aFont);
        SetTextColor( aColor); 

    }

    void HyperLabel::DeactivateHyperMode(Font aFont, const Color aColor)
    {
        m_pImpl->m_bHyperMode = sal_False;
        aFont.SetUnderline(UNDERLINE_NONE);
        SetPointer( POINTER_ARROW );
        SetControlFont( aFont);
        SetTextColor( aColor); 
    }

    void HyperLabel::MouseButtonDown( const MouseEvent& )
    {
        if ( m_pImpl->m_bHyperMode && m_pImpl->bInteractive )
        {
			maClickHdl.Call( this );
        }
    } 

    void HyperLabel::GetFocus()
    {
        if ( IsEnabled() && m_pImpl->bInteractive )
        {
            Point aPoint(0,0);
            Rectangle rRect(aPoint, Size( m_pImpl->m_aMinSize.Width(), GetSizePixel().Height() ) );
            ShowFocus( rRect );
        }
    }

    void HyperLabel::LoseFocus()
    {
        HideFocus();
    }

    HyperLabel::~HyperLabel( )
	{
		delete m_pImpl;
	}

    void HyperLabel::SetInteractive( sal_Bool _bInteractive )
    {
        m_pImpl->bInteractive = ( _bInteractive && IsEnabled() );
    }

    sal_Int16 HyperLabel::GetID() const
    {
        return m_pImpl->ID;
    }

    sal_Int32 HyperLabel::GetIndex() const
    {
        return m_pImpl->Index;
    }

    void HyperLabel::SetID( sal_Int16 _ID )
    {
        m_pImpl->ID = _ID;
    }

    void HyperLabel::SetIndex( sal_Int32 _Index )
    {
        m_pImpl->Index = _Index;
    }

    ::rtl::OUString HyperLabel::GetLabel( )
    {
        return GetText();
    }

    void HyperLabel::SetLabel( const ::rtl::OUString& _rText )
    {
        SetText(_rText);
    }


	//------------------------------------------------------------------------------
	void HyperLabel::DataChanged( const DataChangedEvent& rDCEvt )
	{
		const StyleSettings& rStyleSettings = GetSettings().GetStyleSettings();
		FixedText::DataChanged( rDCEvt );
		if ((( rDCEvt.GetType() == DATACHANGED_SETTINGS	)	||
			( rDCEvt.GetType() == DATACHANGED_DISPLAY	))	&&
			( rDCEvt.GetFlags() & SETTINGS_STYLE		))
		{
			const Color& rGBColor = GetControlBackground();
			if (rGBColor == COL_TRANSPARENT)
				SetTextColor( rStyleSettings.GetFieldTextColor( ) );			
			else
			{
				SetControlBackground(rStyleSettings.GetHighlightColor());
				SetTextColor( rStyleSettings.GetHighlightTextColor( ) );			
			}
			Invalidate();
		}
	}

//.........................................................................
}	// namespace svt
//.........................................................................