libreoffice/vcl/source/gdi/outdevnative.cxx

/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/

// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_vcl.hxx"

#include "vcl/outdev.hxx"
#include "vcl/window.hxx"
#include "vcl/salgdi.hxx"
#include "vcl/salnativewidgets.hxx"
#include "vcl/pdfextoutdevdata.hxx"

// -----------------------------------------------------------------------

static bool lcl_enableNativeWidget( const OutputDevice& i_rDevice )
{
    const OutDevType eType( i_rDevice.GetOutDevType() );
    switch ( eType )
    {

    case OUTDEV_WINDOW:
        return dynamic_cast< const Window* >( &i_rDevice )->IsNativeWidgetEnabled();

    case OUTDEV_VIRDEV:
    {
        const ::vcl::ExtOutDevData* pOutDevData( i_rDevice.GetExtOutDevData() );
        const ::vcl::PDFExtOutDevData* pPDFData( dynamic_cast< const ::vcl::PDFExtOutDevData* >( pOutDevData ) );
        if ( pPDFData != NULL )
            return false;
        return true;
    }

    default:
        return false;
    }
}

// -----------------------------------------------------------------------
// These functions are mainly passthrough functions that allow access to
// the SalFrame behind a Window object for native widget rendering purposes.
// -----------------------------------------------------------------------

// -----------------------------------------------------------------------

BOOL OutputDevice::IsNativeControlSupported( ControlType nType, ControlPart nPart )
{
    if( !lcl_enableNativeWidget( *this ) )
        return FALSE;

    if ( !mpGraphics )
        if ( !ImplGetGraphics() )
            return FALSE;

    return( mpGraphics->IsNativeControlSupported(nType, nPart) );
}


// -----------------------------------------------------------------------

BOOL OutputDevice::HitTestNativeControl( ControlType nType,
                              ControlPart nPart,
                              const Region& rControlRegion,
                              const Point& aPos,
                              BOOL& rIsInside )
{
    if( !lcl_enableNativeWidget( *this ) )
        return FALSE;

    if ( !mpGraphics )
        if ( !ImplGetGraphics() )
            return FALSE;

    Point aWinOffs( mnOutOffX, mnOutOffY );
    Region screenRegion( rControlRegion );
    screenRegion.Move( aWinOffs.X(), aWinOffs.Y());

    return( mpGraphics->HitTestNativeControl(nType, nPart, screenRegion, Point( aPos.X() + mnOutOffX, aPos.Y() + mnOutOffY ),
        rIsInside, this ) );
}

// -----------------------------------------------------------------------

static void lcl_moveControlValue( ControlType nType, const ImplControlValue& aValue, const Point& rDelta )
{
    if( aValue.getOptionalVal() )
    {
        switch( nType )
        {
            case CTRL_SLIDER:
            {
                SliderValue* pSlVal = reinterpret_cast<SliderValue*>(aValue.getOptionalVal());
                pSlVal->maThumbRect.Move( rDelta.X(), rDelta.Y() );
            }
            break;
            case CTRL_SCROLLBAR:
            {
                ScrollbarValue* pScVal = reinterpret_cast<ScrollbarValue*>(aValue.getOptionalVal());
                pScVal->maThumbRect.Move( rDelta.X(), rDelta.Y() );
                pScVal->maButton1Rect.Move( rDelta.X(), rDelta.Y() );
                pScVal->maButton2Rect.Move( rDelta.X(), rDelta.Y() );
            }
            break;
            case CTRL_SPINBOX:
            case CTRL_SPINBUTTONS:
            {
                SpinbuttonValue* pSpVal = reinterpret_cast<SpinbuttonValue*>(aValue.getOptionalVal());
                pSpVal->maUpperRect.Move( rDelta.X(), rDelta.Y() );
                pSpVal->maLowerRect.Move( rDelta.X(), rDelta.Y() );
            }
            break;
            case CTRL_TOOLBAR:
            {
                ToolbarValue* pTVal = reinterpret_cast<ToolbarValue*>(aValue.getOptionalVal());
                pTVal->maGripRect.Move( rDelta.X(), rDelta.Y() );
            }
            break;
        }
    }
}

BOOL OutputDevice::DrawNativeControl( ControlType nType,
                            ControlPart nPart,
                            const Region& rControlRegion,
                            ControlState nState,
                            const ImplControlValue& aValue,
                            ::rtl::OUString aCaption )
{
    if( !lcl_enableNativeWidget( *this ) )
        return FALSE;

    /*
    if( !IsInPaint() && IsPaintTransparent() )
    {
        // only required if called directly (ie, we're not in Paint() ):
        // force redraw (Paint()) for transparent controls
        // to trigger a repaint of the background
        Region aClipRgn( GetClipRegion() );
        if( !rControlRegion.IsEmpty() )
            aClipRgn.Intersect( rControlRegion );
        Invalidate( aClipRgn, INVALIDATE_UPDATE );
        return TRUE;
    }
    */

    // make sure the current clip region is initialized correctly
    if ( !mpGraphics )
        if ( !ImplGetGraphics() )
            return FALSE;

    if ( mbInitClipRegion )
        ImplInitClipRegion();
    if ( mbOutputClipped )
        return TRUE;

    if ( mbInitLineColor )
        ImplInitLineColor();
    if ( mbInitFillColor )
        ImplInitFillColor();

    // Convert the coordinates from relative to Window-absolute, so we draw
    // in the correct place in platform code
    Point aWinOffs( mnOutOffX, mnOutOffY );
    Region screenRegion( rControlRegion );
    screenRegion.Move( aWinOffs.X(), aWinOffs.Y());

    // do so for ImplControlValue members, also
    lcl_moveControlValue( nType, aValue, aWinOffs );

    Region aTestRegion( GetActiveClipRegion() );
    aTestRegion.Intersect( rControlRegion );
    if( aTestRegion == rControlRegion )
        nState |= CTRL_CACHING_ALLOWED;   // control is not clipped, caching allowed

    BOOL bRet = mpGraphics->DrawNativeControl(nType, nPart, screenRegion, nState, aValue, aCaption, this );

    // transform back ImplControlValue members
    lcl_moveControlValue( nType, aValue, Point()-aWinOffs );

    return bRet;
}


// -----------------------------------------------------------------------

BOOL OutputDevice::DrawNativeControlText(ControlType nType,
                            ControlPart nPart,
                            const Region& rControlRegion,
                            ControlState nState,
                            const ImplControlValue& aValue,
                            ::rtl::OUString aCaption )
{
    if( !lcl_enableNativeWidget( *this ) )
        return FALSE;

    // make sure the current clip region is initialized correctly
    if ( !mpGraphics )
        if ( !ImplGetGraphics() )
            return false;

    if ( mbInitClipRegion )
        ImplInitClipRegion();
    if ( mbOutputClipped )
        return true;

    if ( mbInitLineColor )
        ImplInitLineColor();
    if ( mbInitFillColor )
        ImplInitFillColor();

    // Convert the coordinates from relative to Window-absolute, so we draw
    // in the correct place in platform code
    Point aWinOffs( mnOutOffX, mnOutOffY );
    Region screenRegion( rControlRegion );
    screenRegion.Move( aWinOffs.X(), aWinOffs.Y());
    lcl_moveControlValue( nType, aValue, aWinOffs );

    BOOL bRet = mpGraphics->DrawNativeControlText(nType, nPart, screenRegion, nState, aValue, aCaption, this );

    // transform back ImplControlValue members
    lcl_moveControlValue( nType, aValue, Point()-aWinOffs );

    return bRet;
}


// -----------------------------------------------------------------------

BOOL OutputDevice::GetNativeControlRegion(  ControlType nType,
                                ControlPart nPart,
                                const Region& rControlRegion,
                                ControlState nState,
                                const ImplControlValue& aValue,
                                ::rtl::OUString aCaption,
                                Region &rNativeBoundingRegion,
                                Region &rNativeContentRegion )
{
    if( !lcl_enableNativeWidget( *this ) )
        return FALSE;

    if ( !mpGraphics )
        if ( !ImplGetGraphics() )
            return FALSE;

    // Convert the coordinates from relative to Window-absolute, so we draw
    // in the correct place in platform code
    Point aWinOffs( mnOutOffX, mnOutOffY );
    Region screenRegion( rControlRegion );
    screenRegion.Move( aWinOffs.X(), aWinOffs.Y());
    lcl_moveControlValue( nType, aValue, aWinOffs );

    BOOL bRet = mpGraphics->GetNativeControlRegion(nType, nPart, screenRegion, nState, aValue,
                                aCaption, rNativeBoundingRegion,
                                rNativeContentRegion, this );
    if( bRet )
    {
        // transform back native regions
        rNativeBoundingRegion.Move( -aWinOffs.X(), -aWinOffs.Y() );
        rNativeContentRegion.Move( -aWinOffs.X(), -aWinOffs.Y() );
    }
    // transform back ImplControlValue members
    lcl_moveControlValue( nType, aValue, Point()-aWinOffs );

    return bRet;
}