bubble the original gtk surface type through rendering

this may make scrolling a tad faster

Change-Id: I0c2cc9df85932e25dbfed88727d3b83d299671c7
diff --git a/vcl/headless/svpframe.cxx b/vcl/headless/svpframe.cxx
index 0ce76cf..962cea0 100644
--- a/vcl/headless/svpframe.cxx
+++ b/vcl/headless/svpframe.cxx
@@ -150,7 +150,7 @@ SalGraphics* SvpSalFrame::AcquireGraphics()
{
    SvpSalGraphics* pGraphics = new SvpSalGraphics();
#ifndef IOS
    pGraphics->setSurface( m_pSurface );
    pGraphics->setSurface(m_pSurface, B2IVector(maGeometry.nWidth, maGeometry.nHeight));
#endif
    m_aGraphics.push_back( pGraphics );
    return pGraphics;
@@ -281,7 +281,7 @@ void SvpSalFrame::SetPosSize( long nX, long nY, long nWidth, long nHeight, sal_u
        for( std::list< SvpSalGraphics* >::iterator it = m_aGraphics.begin();
             it != m_aGraphics.end(); ++it )
        {
             (*it)->setSurface(m_pSurface);
             (*it)->setSurface(m_pSurface, aFrameSize);
        }
    }
    if( m_bVisible )
diff --git a/vcl/headless/svpgdi.cxx b/vcl/headless/svpgdi.cxx
index 34bb744..e05617d 100644
--- a/vcl/headless/svpgdi.cxx
+++ b/vcl/headless/svpgdi.cxx
@@ -133,6 +133,22 @@ namespace
        {
            return source;
        }
        void mark_dirty()
        {
            cairo_surface_mark_dirty(source);
        }
        unsigned char* getBits(sal_Int32 &rStride)
        {
            cairo_surface_flush(source);

            unsigned char *mask_data = cairo_image_surface_get_data(source);

            cairo_format_t nFormat = cairo_image_surface_get_format(source);
            assert(nFormat == CAIRO_FORMAT_ARGB32 && "need to implement CAIRO_FORMAT_A1 after all here");
            rStride = cairo_format_stride_for_width(nFormat, cairo_image_surface_get_width(source));

            return mask_data;
        }
    private:
        SvpSalBitmap aTmpBmp;
        cairo_surface_t* source;
@@ -386,9 +402,10 @@ SvpSalGraphics::~SvpSalGraphics()
{
}

void SvpSalGraphics::setSurface(cairo_surface_t* pSurface)
void SvpSalGraphics::setSurface(cairo_surface_t* pSurface, const basegfx::B2IVector& rSize)
{
    m_pSurface = pSurface;
    m_aFrameSize = rSize;
#if CAIRO_VERSION >= CAIRO_VERSION_ENCODE(1, 14, 0)
    cairo_surface_get_device_scale(pSurface, &m_fScale, nullptr);
#endif
@@ -402,14 +419,14 @@ void SvpSalGraphics::GetResolution( sal_Int32& rDPIX, sal_Int32& rDPIY )

sal_uInt16 SvpSalGraphics::GetBitCount() const
{
    if (CAIRO_FORMAT_A1 == cairo_image_surface_get_format(m_pSurface))
    if (cairo_surface_get_content(m_pSurface) != CAIRO_CONTENT_COLOR_ALPHA)
        return 1;
    return 32;
}

long SvpSalGraphics::GetGraphicsWidth() const
{
    return m_pSurface ? cairo_image_surface_get_width(m_pSurface) / m_fScale : 0;
    return m_pSurface ? m_aFrameSize.getX() : 0;
}

void SvpSalGraphics::ResetClipRegion()
@@ -885,7 +902,7 @@ bool SvpSalGraphics::drawPolyPolygon(const basegfx::B2DPolyPolygon& rPolyPoly, d

void SvpSalGraphics::applyColor(cairo_t *cr, SalColor aColor)
{
    if (CAIRO_FORMAT_ARGB32 == cairo_image_surface_get_format(m_pSurface))
    if (cairo_surface_get_content(m_pSurface) == CAIRO_CONTENT_COLOR_ALPHA)
    {
        cairo_set_source_rgba(cr, SALCOLOR_RED(aColor)/255.0,
                                  SALCOLOR_GREEN(aColor)/255.0,
@@ -982,17 +999,10 @@ void SvpSalGraphics::copyBits( const SalTwoRect& rTR,
    if (pSrc == this)
    {
        //self copy is a problem, so dup source in that case
#if CAIRO_VERSION < CAIRO_VERSION_ENCODE(1, 12, 0)
        pCopy = cairo_surface_create_similar(source,
                                            cairo_surface_get_content(m_pSurface),
                                            aTR.mnSrcWidth * m_fScale,
                                            aTR.mnSrcHeight * m_fScale);
#else
        pCopy = cairo_surface_create_similar_image(source,
                                            cairo_image_surface_get_format(m_pSurface),
                                            aTR.mnSrcWidth * m_fScale,
                                            aTR.mnSrcHeight * m_fScale);
#endif
#if CAIRO_VERSION >= CAIRO_VERSION_ENCODE(1, 14, 0)
        cairo_surface_set_device_scale(pCopy, m_fScale, m_fScale);
#endif
@@ -1049,16 +1059,8 @@ void SvpSalGraphics::drawMask( const SalTwoRect& rTR,
    /** creates an image from the given rectangle, replacing all black pixels
     *  with nMaskColor and make all other full transparent */
    SourceHelper aSurface(rSalBitmap);
    cairo_surface_t* mask = aSurface.getSurface();

    cairo_surface_flush(mask);

    unsigned char *mask_data = cairo_image_surface_get_data(mask);

    cairo_format_t nFormat = cairo_image_surface_get_format(mask);
    assert(nFormat == CAIRO_FORMAT_ARGB32 && "need to implement CAIRO_FORMAT_A1 after all here");
    sal_Int32 nStride = cairo_format_stride_for_width(nFormat,
                                                      cairo_image_surface_get_width(mask));
    sal_Int32 nStride;
    unsigned char *mask_data = aSurface.getBits(nStride);
    for (sal_Int32 y = rTR.mnSrcY ; y < rTR.mnSrcY + rTR.mnSrcHeight; ++y)
    {
        unsigned char *row = mask_data + (nStride*y);
@@ -1085,7 +1087,7 @@ void SvpSalGraphics::drawMask( const SalTwoRect& rTR,
            data+=4;
        }
    }
    cairo_surface_mark_dirty(mask);
    aSurface.mark_dirty();

    cairo_t* cr = getCairoContext(false);
    clipRegion(cr);
@@ -1098,7 +1100,7 @@ void SvpSalGraphics::drawMask( const SalTwoRect& rTR,

    cairo_translate(cr, rTR.mnDestX, rTR.mnDestY);
    cairo_scale(cr, (double)(rTR.mnDestWidth)/rTR.mnSrcWidth, ((double)rTR.mnDestHeight)/rTR.mnSrcHeight);
    cairo_set_source_surface(cr, mask, -rTR.mnSrcX, -rTR.mnSrcY);
    cairo_set_source_surface(cr, aSurface.getSurface(), -rTR.mnSrcX, -rTR.mnSrcY);
    cairo_paint(cr);

    releaseCairoContext(cr, false, extents);
@@ -1123,18 +1125,24 @@ SalBitmap* SvpSalGraphics::getBitmap( long nX, long nY, long nWidth, long nHeigh

SalColor SvpSalGraphics::getPixel( long nX, long nY )
{
    cairo_surface_flush(m_pSurface);
    cairo_format_t nFormat = cairo_image_surface_get_format(m_pSurface);
    assert(nFormat == CAIRO_FORMAT_ARGB32 && "need to implement CAIRO_FORMAT_A1 after all here");
    sal_Int32 nStride = cairo_format_stride_for_width(nFormat,
                                                      cairo_image_surface_get_width(m_pSurface));
    unsigned char *surface_data = cairo_image_surface_get_data(m_pSurface);
    unsigned char *row = surface_data + (nStride*nY);
    unsigned char *data = row + (nX * 4);
    cairo_surface_t *target = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 1, 1);
    cairo_t* cr = cairo_create(target);

    cairo_rectangle(cr, 0, 0, 1, 1);
    cairo_set_source_surface(cr, m_pSurface, -nX, -nY);
    cairo_paint(cr);
    cairo_destroy(cr);

    cairo_surface_flush(target);
    unsigned char *data = cairo_image_surface_get_data(target);
    sal_uInt8 b = unpremultiply(data[SVP_CAIRO_BLUE], data[SVP_CAIRO_ALPHA]);
    sal_uInt8 g = unpremultiply(data[SVP_CAIRO_GREEN], data[SVP_CAIRO_ALPHA]);
    sal_uInt8 r = unpremultiply(data[SVP_CAIRO_RED], data[SVP_CAIRO_ALPHA]);
    return MAKE_SALCOLOR(r, g, b);
    SalColor nRet = MAKE_SALCOLOR(r, g, b);

    cairo_surface_destroy(target);

    return nRet;
}

namespace
@@ -1268,17 +1276,17 @@ cairo_surface_t* SvpSalGraphics::createCairoSurface(const BitmapBuffer *pBuffer)
    return target;
}

static cairo_t* createTmpCompatibleCairoContext(cairo_surface_t* pSurface, double fScale)
cairo_t* SvpSalGraphics::createTmpCompatibleCairoContext() const
{
    cairo_surface_t *target = cairo_image_surface_create(
                                cairo_image_surface_get_format(pSurface),
                                cairo_image_surface_get_width(pSurface),
                                cairo_image_surface_get_height(pSurface));
    cairo_surface_t *target = cairo_image_surface_create(CAIRO_FORMAT_ARGB32,
                                                         m_aFrameSize.getX() * m_fScale,
                                                         m_aFrameSize.getY() * m_fScale);
#if CAIRO_VERSION >= CAIRO_VERSION_ENCODE(1, 14, 0)
    cairo_surface_set_device_scale(target, fScale, fScale);
    cairo_surface_set_device_scale(target, m_fScale, m_fScale);
#else
    (void)fScale;
#endif

    return cairo_create(target);
}

@@ -1286,7 +1294,7 @@ cairo_t* SvpSalGraphics::getCairoContext(bool bXorModeAllowed) const
{
    cairo_t* cr;
    if (m_ePaintMode == XOR && bXorModeAllowed)
        cr = createTmpCompatibleCairoContext(m_pSurface, m_fScale);
        cr = createTmpCompatibleCairoContext();
    else
        cr = cairo_create(m_pSurface);
    cairo_set_line_width(cr, 1);
@@ -1316,8 +1324,8 @@ void SvpSalGraphics::releaseCairoContext(cairo_t* cr, bool bXorModeAllowed, cons

    sal_Int32 nExtentsLeft(rExtents.getMinX()), nExtentsTop(rExtents.getMinY());
    sal_Int32 nExtentsRight(rExtents.getMaxX()), nExtentsBottom(rExtents.getMaxY());
    sal_Int32 nWidth = cairo_image_surface_get_width(m_pSurface);
    sal_Int32 nHeight = cairo_image_surface_get_height(m_pSurface);
    sal_Int32 nWidth = m_aFrameSize.getX();
    sal_Int32 nHeight = m_aFrameSize.getY();
    nExtentsLeft = std::max<sal_Int32>(nExtentsLeft, 0);
    nExtentsTop = std::max<sal_Int32>(nExtentsTop, 0);
    nExtentsRight = std::min<sal_Int32>(nExtentsRight, nWidth);
@@ -1331,21 +1339,35 @@ void SvpSalGraphics::releaseCairoContext(cairo_t* cr, bool bXorModeAllowed, cons
    //emulate it (slowly) here.
    if (m_ePaintMode == XOR && bXorModeAllowed)
    {
        cairo_surface_t* true_surface = m_pSurface;
        cairo_surface_flush(true_surface);
        unsigned char *true_surface_data = cairo_image_surface_get_data(true_surface);
        cairo_surface_t* target_surface = m_pSurface;
        if (cairo_surface_get_type(target_surface) != CAIRO_SURFACE_TYPE_IMAGE)
        {
            //in the unlikely case we can't use m_pSurface directly, copy contents
            //to another temp image surface
            cairo_t* copycr = createTmpCompatibleCairoContext();
            cairo_rectangle(copycr, nExtentsLeft, nExtentsTop,
                                    nExtentsRight - nExtentsLeft,
                                    nExtentsBottom - nExtentsTop);
            cairo_set_source_surface(copycr, m_pSurface, 0, 0);
            cairo_paint(copycr);
            target_surface = cairo_get_target(copycr);
            cairo_destroy(copycr);
        }

        cairo_surface_flush(target_surface);
        unsigned char *target_surface_data = cairo_image_surface_get_data(target_surface);
        unsigned char *xor_surface_data = cairo_image_surface_get_data(surface);

        cairo_format_t nFormat = cairo_image_surface_get_format(m_pSurface);
        assert(nFormat == CAIRO_FORMAT_ARGB32 && "need to implement CAIRO_FORMAT_A1 after all here");
        sal_Int32 nStride = cairo_format_stride_for_width(nFormat, nWidth);
        sal_Int32 nStride = cairo_format_stride_for_width(nFormat, nWidth * m_fScale);
        sal_Int32 nUnscaledExtentsLeft = nExtentsLeft * m_fScale;
        sal_Int32 nUnscaledExtentsRight = nExtentsRight * m_fScale;
        sal_Int32 nUnscaledExtentsTop = nExtentsTop * m_fScale;
        sal_Int32 nUnscaledExtentsBottom = nExtentsBottom * m_fScale;
        for (sal_Int32 y = nUnscaledExtentsTop; y < nUnscaledExtentsBottom; ++y)
        {
            unsigned char *true_row = true_surface_data + (nStride*y);
            unsigned char *true_row = target_surface_data + (nStride*y);
            unsigned char *xor_row = xor_surface_data + (nStride*y);
            unsigned char *true_data = true_row + (nUnscaledExtentsLeft * 4);
            unsigned char *xor_data = xor_row + (nUnscaledExtentsLeft * 4);
@@ -1364,7 +1386,22 @@ void SvpSalGraphics::releaseCairoContext(cairo_t* cr, bool bXorModeAllowed, cons
                xor_data+=4;
            }
        }
        cairo_surface_mark_dirty(true_surface);
        cairo_surface_mark_dirty(target_surface);

        if (target_surface != m_pSurface)
        {
            cairo_t* copycr = cairo_create(m_pSurface);
            //unlikely case we couldn't use m_pSurface directly, copy contents
            //back from image surface
            cairo_rectangle(copycr, nExtentsLeft, nExtentsTop,
                                    nExtentsRight - nExtentsLeft,
                                    nExtentsBottom - nExtentsTop);
            cairo_set_source_surface(copycr, target_surface, 0, 0);
            cairo_paint(copycr);
            cairo_destroy(copycr);
            cairo_surface_destroy(target_surface);
        }

        cairo_surface_destroy(surface);
    }

diff --git a/vcl/headless/svpvd.cxx b/vcl/headless/svpvd.cxx
index ca28a52..b5ab755 100644
--- a/vcl/headless/svpvd.cxx
+++ b/vcl/headless/svpvd.cxx
@@ -38,7 +38,7 @@ SvpSalVirtualDevice::~SvpSalVirtualDevice()
SalGraphics* SvpSalVirtualDevice::AcquireGraphics()
{
    SvpSalGraphics* pGraphics = new SvpSalGraphics();
    pGraphics->setSurface(m_pSurface);
    pGraphics->setSurface(m_pSurface, m_aFrameSize);
    m_aGraphics.push_back( pGraphics );
    return pGraphics;
}
@@ -62,12 +62,14 @@ bool SvpSalVirtualDevice::SetSizeUsingBuffer( long nNewDX, long nNewDY,
    if (nNewDY == 0)
        nNewDY = 1;

    nNewDX *= m_fScale;
    nNewDY *= m_fScale;

    if (!m_pSurface || cairo_image_surface_get_width(m_pSurface) != nNewDX ||
                       cairo_image_surface_get_height(m_pSurface) != nNewDY )
    if (!m_pSurface || m_aFrameSize.getX() != nNewDX ||
                       m_aFrameSize.getY() != nNewDY )
    {
        m_aFrameSize = basegfx::B2IVector(nNewDX, nNewDY);

        nNewDX *= m_fScale;
        nNewDY *= m_fScale;

        if (m_pSurface)
        {
            cairo_surface_destroy(m_pSurface);
@@ -96,20 +98,19 @@ bool SvpSalVirtualDevice::SetSizeUsingBuffer( long nNewDX, long nNewDY,
        // update device in existing graphics
        for( std::list< SvpSalGraphics* >::iterator it = m_aGraphics.begin();
             it != m_aGraphics.end(); ++it )
            (*it)->setSurface(m_pSurface);

            (*it)->setSurface(m_pSurface, m_aFrameSize);
    }
    return true;
}

long SvpSalVirtualDevice::GetWidth() const
{
    return m_pSurface ? cairo_image_surface_get_width(m_pSurface) : 0;
    return m_pSurface ? m_aFrameSize.getX() : 0;
}

long SvpSalVirtualDevice::GetHeight() const
{
    return m_pSurface ? cairo_image_surface_get_height(m_pSurface) : 0;
    return m_pSurface ? m_aFrameSize.getY() : 0;
}

#endif
diff --git a/vcl/inc/headless/svpgdi.hxx b/vcl/inc/headless/svpgdi.hxx
index 8083474..5673706 100644
--- a/vcl/inc/headless/svpgdi.hxx
+++ b/vcl/inc/headless/svpgdi.hxx
@@ -80,6 +80,7 @@ struct VCL_DLLPUBLIC DamageHandler
class VCL_DLLPUBLIC SvpSalGraphics : public SalGraphics
{
    cairo_surface_t*               m_pSurface;
    basegfx::B2IVector             m_aFrameSize;
    double                         m_fScale;
    SalColor                       m_aLineColor;
    SalColor                       m_aFillColor;
@@ -87,7 +88,7 @@ class VCL_DLLPUBLIC SvpSalGraphics : public SalGraphics

public:
    static GlyphCache& getPlatformGlyphCache();
    void setSurface(cairo_surface_t* pSurface);
    void setSurface(cairo_surface_t* pSurface, const basegfx::B2IVector& rSize);
    static cairo_user_data_key_t* getDamageKey();

private:
@@ -115,6 +116,8 @@ protected:
        const SalBitmap* pAlphaBitmap) override;
    virtual bool drawAlphaRect( long nX, long nY, long nWidth, long nHeight, sal_uInt8 nTransparency ) override;

    cairo_t* createTmpCompatibleCairoContext() const;

public:
    SvpSalGraphics();
    virtual ~SvpSalGraphics() override;
diff --git a/vcl/inc/headless/svpvd.hxx b/vcl/inc/headless/svpvd.hxx
index 882f36d..7ac1563 100644
--- a/vcl/inc/headless/svpvd.hxx
+++ b/vcl/inc/headless/svpvd.hxx
@@ -31,6 +31,7 @@ class VCL_DLLPUBLIC SvpSalVirtualDevice : public SalVirtualDevice
{
    DeviceFormat                        m_eFormat;
    cairo_surface_t*                    m_pSurface;
    basegfx::B2IVector                  m_aFrameSize;
    double                              m_fScale;
    std::list< SvpSalGraphics* >        m_aGraphics;

diff --git a/vcl/inc/unx/gtk/gtkframe.hxx b/vcl/inc/unx/gtk/gtkframe.hxx
index a0c86b3..51977c25 100644
--- a/vcl/inc/unx/gtk/gtkframe.hxx
+++ b/vcl/inc/unx/gtk/gtkframe.hxx
@@ -246,6 +246,7 @@ class GtkSalFrame : public SalFrame
#endif
#if GTK_CHECK_VERSION(3,0,0)
    static gboolean     signalDraw( GtkWidget*, cairo_t *cr, gpointer );
    static void         signalRealize(GtkWidget*, gpointer frame);
    static void         sizeAllocated(GtkWidget*, GdkRectangle *pAllocation, gpointer frame);
    static gboolean     signalTooltipQuery(GtkWidget*, gint x, gint y,
                                     gboolean keyboard_mode, GtkTooltip *tooltip,
@@ -346,6 +347,7 @@ class GtkSalFrame : public SalFrame
public:
#if GTK_CHECK_VERSION(3,0,0)
    cairo_surface_t*                m_pSurface;
    basegfx::B2IVector              m_aFrameSize;
    DamageHandler                   m_aDamageHandler;
    int                             m_nGrabLevel;
    bool                            m_bSalObjectSetPosSize;
diff --git a/vcl/unx/gtk3/gtk3gtkframe.cxx b/vcl/unx/gtk3/gtk3gtkframe.cxx
index a74555f..e2d19fe 100644
--- a/vcl/unx/gtk3/gtk3gtkframe.cxx
+++ b/vcl/unx/gtk3/gtk3gtkframe.cxx
@@ -1039,6 +1039,7 @@ void GtkSalFrame::InitCommon()
    m_aMouseSignalIds.push_back(g_signal_connect( G_OBJECT(pEventWidget), "scroll-event", G_CALLBACK(signalScroll), this ));

    g_signal_connect( G_OBJECT(m_pFixedContainer), "draw", G_CALLBACK(signalDraw), this );
    g_signal_connect( G_OBJECT(m_pFixedContainer), "realize", G_CALLBACK(signalRealize), this );
    g_signal_connect( G_OBJECT(m_pFixedContainer), "size-allocate", G_CALLBACK(sizeAllocated), this );
#if GTK_CHECK_VERSION(3,14,0)
    GtkGesture *pSwipe = gtk_gesture_swipe_new(pEventWidget);
@@ -1335,7 +1336,7 @@ SalGraphics* GtkSalFrame::AcquireGraphics()
            AllocateFrame();
            TriggerPaintEvent();
        }
        m_pGraphics->setSurface(m_pSurface);
        m_pGraphics->setSurface(m_pSurface, m_aFrameSize);
    }
    m_bGraphics = true;
    return m_pGraphics;
@@ -1562,13 +1563,11 @@ void GtkSalFrame::SetMinClientSize( long nWidth, long nHeight )
    }
}

// FIXME: we should really be an SvpSalFrame sub-class, and
// share their AllocateFrame !
void GtkSalFrame::AllocateFrame()
{
    basegfx::B2IVector aFrameSize( maGeometry.nWidth, maGeometry.nHeight );
    if (!m_pSurface || cairo_image_surface_get_width(m_pSurface) != aFrameSize.getX() ||
                       cairo_image_surface_get_height(m_pSurface) != aFrameSize.getY() )
    if (!m_pSurface || m_aFrameSize.getX() != aFrameSize.getX() ||
                       m_aFrameSize.getY() != aFrameSize.getY() )
    {
        if( aFrameSize.getX() == 0 )
            aFrameSize.setX( 1 );
@@ -1578,30 +1577,17 @@ void GtkSalFrame::AllocateFrame()
        if (m_pSurface)
            cairo_surface_destroy(m_pSurface);

#if GTK_CHECK_VERSION(3,10,0)
#if CAIRO_VERSION >= CAIRO_VERSION_ENCODE(1, 14, 0)
        int scale = gtk_widget_get_scale_factor(m_pWindow);
#else
        int scale = 1;
#endif
        m_pSurface = gdk_window_create_similar_image_surface(widget_get_window(m_pWindow),
                                                             CAIRO_FORMAT_ARGB32,
                                                             aFrameSize.getX() * scale,
                                                             aFrameSize.getY() * scale,
                                                             scale);
#if CAIRO_VERSION >= CAIRO_VERSION_ENCODE(1, 14, 0)
        cairo_surface_set_device_scale(m_pSurface, scale, scale);
#endif
#else
        m_pSurface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32,
                                                aFrameSize.getX(),
                                                aFrameSize.getY());
#endif
        m_pSurface = gdk_window_create_similar_surface(widget_get_window(m_pWindow),
                                                       CAIRO_CONTENT_COLOR_ALPHA,
                                                       aFrameSize.getX(),
                                                       aFrameSize.getY());
        m_aFrameSize = aFrameSize;

        cairo_surface_set_user_data(m_pSurface, SvpSalGraphics::getDamageKey(), &m_aDamageHandler, nullptr);
        SAL_INFO("vcl.gtk3", "allocated Frame size of " << maGeometry.nWidth << " x " << maGeometry.nHeight);

        if (m_pGraphics)
            m_pGraphics->setSurface(m_pSurface);
            m_pGraphics->setSurface(m_pSurface, m_aFrameSize);
    }
}

@@ -2889,13 +2875,23 @@ gboolean GtkSalFrame::signalDraw(GtkWidget*, cairo_t *cr, gpointer frame)
    return false;
}

void GtkSalFrame::sizeAllocated(GtkWidget*, GdkRectangle *pAllocation, gpointer frame)
void GtkSalFrame::sizeAllocated(GtkWidget* pWidget, GdkRectangle *pAllocation, gpointer frame)
{
    GtkSalFrame* pThis = static_cast<GtkSalFrame*>(frame);
    pThis->maGeometry.nWidth = pAllocation->width;
    pThis->maGeometry.nHeight = pAllocation->height;
    pThis->AllocateFrame();
    bool bRealized = gtk_widget_get_realized(pWidget);
    if (bRealized)
        pThis->AllocateFrame();
    pThis->CallCallbackExc( SalEvent::Resize, nullptr );
    if (bRealized && !pThis->m_bSalObjectSetPosSize)
        pThis->TriggerPaintEvent();
}

void GtkSalFrame::signalRealize(GtkWidget*, gpointer frame)
{
    GtkSalFrame* pThis = static_cast<GtkSalFrame*>(frame);
    pThis->AllocateFrame();
    if (pThis->m_bSalObjectSetPosSize)
        return;
    pThis->TriggerPaintEvent();