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835d7774e78df95d0c59243b6c1b8ed1b51b2311
libreoffice/vcl/source/window/paint.cxx
Andrea Gelmini 835d7774e7 Fix typos 
Change-Id: I2cf36eb80068adcf57238a286f09bdc96b4e01f8
Reviewed-on: https://gerrit.libreoffice.org/18994
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>
2015-09-30 10:39:51 +00:00

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* 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 .
*/
#include <config_features.h>
#include <vcl/window.hxx>
#include <vcl/dialog.hxx>
#include <vcl/virdev.hxx>
#include <vcl/cursor.hxx>
#include <vcl/settings.hxx>
#include <sal/types.h>
#include <window.h>
#include <salgdi.hxx>
#include <salframe.hxx>
#include <svdata.hxx>
#include <comphelper/lok.hxx>
#include <vcl/opengl/OpenGLHelper.hxx>
#define IMPL_PAINT_PAINT ((sal_uInt16)0x0001)
#define IMPL_PAINT_PAINTALL ((sal_uInt16)0x0002)
#define IMPL_PAINT_PAINTALLCHILDREN ((sal_uInt16)0x0004)
#define IMPL_PAINT_PAINTCHILDREN ((sal_uInt16)0x0008)
#define IMPL_PAINT_ERASE ((sal_uInt16)0x0010)
#define IMPL_PAINT_CHECKRTL ((sal_uInt16)0x0020)
// PaintBufferGuard
PaintBufferGuard::PaintBufferGuard(ImplFrameData* pFrameData, vcl::Window* pWindow)
: mpFrameData(pFrameData),
m_pWindow(pWindow),
mbBackground(false),
mnOutOffX(0),
mnOutOffY(0)
{
if (!pFrameData->mpBuffer)
return;
// transfer various settings
// FIXME: this must disappear as we move to RenderContext only,
// the painting must become state-less, so that no actual
// vcl::Window setting affects this
mbBackground = pFrameData->mpBuffer->IsBackground();
if (pWindow->IsBackground())
{
maBackground = pFrameData->mpBuffer->GetBackground();
pFrameData->mpBuffer->SetBackground(pWindow->GetBackground());
}
//else
//SAL_WARN("vcl.doublebuffering", "the root of the double-buffering hierarchy should not have a transparent background");
PushFlags nFlags = PushFlags::NONE;
nFlags |= PushFlags::CLIPREGION;
nFlags |= PushFlags::FILLCOLOR;
nFlags |= PushFlags::FONT;
nFlags |= PushFlags::LINECOLOR;
nFlags |= PushFlags::MAPMODE;
maSettings = pFrameData->mpBuffer->GetSettings();
nFlags |= PushFlags::REFPOINT;
nFlags |= PushFlags::TEXTCOLOR;
nFlags |= PushFlags::TEXTLINECOLOR;
nFlags |= PushFlags::OVERLINECOLOR;
nFlags |= PushFlags::TEXTFILLCOLOR;
nFlags |= PushFlags::TEXTALIGN;
nFlags |= PushFlags::RASTEROP;
nFlags |= PushFlags::TEXTLAYOUTMODE;
nFlags |= PushFlags::TEXTLANGUAGE;
pFrameData->mpBuffer->Push(nFlags);
pFrameData->mpBuffer->SetClipRegion(pWindow->GetClipRegion());
pFrameData->mpBuffer->SetFillColor(pWindow->GetFillColor());
pFrameData->mpBuffer->SetFont(pWindow->GetFont());
pFrameData->mpBuffer->SetLineColor(pWindow->GetLineColor());
pFrameData->mpBuffer->SetMapMode(pWindow->GetMapMode());
pFrameData->mpBuffer->SetRefPoint(pWindow->GetRefPoint());
pFrameData->mpBuffer->SetSettings(pWindow->GetSettings());
pFrameData->mpBuffer->SetTextColor(pWindow->GetTextColor());
pFrameData->mpBuffer->SetTextLineColor(pWindow->GetTextLineColor());
pFrameData->mpBuffer->SetOverlineColor(pWindow->GetOverlineColor());
pFrameData->mpBuffer->SetTextFillColor(pWindow->GetTextFillColor());
pFrameData->mpBuffer->SetTextAlign(pWindow->GetTextAlign());
pFrameData->mpBuffer->SetRasterOp(pWindow->GetRasterOp());
pFrameData->mpBuffer->SetLayoutMode(pWindow->GetLayoutMode());
pFrameData->mpBuffer->SetDigitLanguage(pWindow->GetDigitLanguage());
mnOutOffX = pFrameData->mpBuffer->GetOutOffXPixel();
mnOutOffY = pFrameData->mpBuffer->GetOutOffYPixel();
pFrameData->mpBuffer->SetOutOffXPixel(pWindow->GetOutOffXPixel());
pFrameData->mpBuffer->SetOutOffYPixel(pWindow->GetOutOffYPixel());
}
PaintBufferGuard::~PaintBufferGuard()
{
if (!mpFrameData->mpBuffer)
return;
if (!m_aPaintRect.IsEmpty())
{
// copy the buffer content to the actual window
// export VCL_DOUBLEBUFFERING_AVOID_PAINT=1 to see where we are
// painting directly instead of using Invalidate()
// [ie. everything you can see was painted directly to the
// window either above or in eg. an event handler]
if (!getenv("VCL_DOUBLEBUFFERING_AVOID_PAINT"))
{
// Make sure that the +1 value GetSize() adds to the size is in pixels.
Size aPaintRectSize;
if (m_pWindow->GetMapMode().GetMapUnit() == MAP_PIXEL)
{
aPaintRectSize = m_aPaintRect.GetSize();
}
else
{
Rectangle aRectanglePixel = m_pWindow->LogicToPixel(m_aPaintRect);
aPaintRectSize = m_pWindow->PixelToLogic(aRectanglePixel.GetSize());
}
m_pWindow->DrawOutDev(m_aPaintRect.TopLeft(), aPaintRectSize, m_aPaintRect.TopLeft(), aPaintRectSize, *mpFrameData->mpBuffer.get());
}
}
// Restore buffer state.
mpFrameData->mpBuffer->SetOutOffXPixel(mnOutOffX);
mpFrameData->mpBuffer->SetOutOffYPixel(mnOutOffY);
mpFrameData->mpBuffer->Pop();
mpFrameData->mpBuffer->SetSettings(maSettings);
if (mbBackground)
mpFrameData->mpBuffer->SetBackground(maBackground);
else
mpFrameData->mpBuffer->SetBackground();
}
void PaintBufferGuard::SetPaintRect(const Rectangle& rRectangle)
{
m_aPaintRect = rRectangle;
}
vcl::RenderContext* PaintBufferGuard::GetRenderContext()
{
if (mpFrameData->mpBuffer)
return mpFrameData->mpBuffer;
else
return m_pWindow;
}
class PaintHelper
{
private:
VclPtr<vcl::Window> m_pWindow;
vcl::Region* m_pChildRegion;
Rectangle m_aSelectionRect;
Rectangle m_aPaintRect;
vcl::Region m_aPaintRegion;
sal_uInt16 m_nPaintFlags;
bool m_bPop : 1;
bool m_bRestoreCursor : 1;
bool m_bStartedBufferedPaint : 1; ///< This PaintHelper started a buffered paint, and should paint it on the screen when being destructed.
public:
PaintHelper(vcl::Window* pWindow, sal_uInt16 nPaintFlags);
void SetPop()
{
m_bPop = true;
}
void SetPaintRect(const Rectangle& rRect)
{
m_aPaintRect = rRect;
}
void SetSelectionRect(const Rectangle& rRect)
{
m_aSelectionRect = rRect;
}
void SetRestoreCursor(bool bRestoreCursor)
{
m_bRestoreCursor = bRestoreCursor;
}
bool GetRestoreCursor() const
{
return m_bRestoreCursor;
}
sal_uInt16 GetPaintFlags() const
{
return m_nPaintFlags;
}
vcl::Region& GetPaintRegion()
{
return m_aPaintRegion;
}
void DoPaint(const vcl::Region* pRegion);
/// Start buffered paint: set it up to have the same settings as m_pWindow.
void StartBufferedPaint();
/// Paint the content of the buffer to the current m_pWindow.
void PaintBuffer();
~PaintHelper();
};
PaintHelper::PaintHelper(vcl::Window *pWindow, sal_uInt16 nPaintFlags)
: m_pWindow(pWindow)
, m_pChildRegion(NULL)
, m_nPaintFlags(nPaintFlags)
, m_bPop(false)
, m_bRestoreCursor(false)
, m_bStartedBufferedPaint(false)
{
}
void PaintHelper::StartBufferedPaint()
{
ImplFrameData* pFrameData = m_pWindow->mpWindowImpl->mpFrameData;
assert(!pFrameData->mbInBufferedPaint);
pFrameData->mbInBufferedPaint = true;
pFrameData->maBufferedRect = Rectangle();
m_bStartedBufferedPaint = true;
}
void PaintHelper::PaintBuffer()
{
ImplFrameData* pFrameData = m_pWindow->mpWindowImpl->mpFrameData;
assert(pFrameData->mbInBufferedPaint);
assert(m_bStartedBufferedPaint);
PaintBufferGuard aGuard(pFrameData, m_pWindow);
aGuard.SetPaintRect(pFrameData->maBufferedRect);
}
void PaintHelper::DoPaint(const vcl::Region* pRegion)
{
WindowImpl* pWindowImpl = m_pWindow->ImplGetWindowImpl();
vcl::Region* pWinChildClipRegion = m_pWindow->ImplGetWinChildClipRegion();
ImplFrameData* pFrameData = m_pWindow->mpWindowImpl->mpFrameData;
if (pWindowImpl->mnPaintFlags & IMPL_PAINT_PAINTALL || pFrameData->mbInBufferedPaint)
{
pWindowImpl->maInvalidateRegion = *pWinChildClipRegion;
}
else
{
if (pRegion)
pWindowImpl->maInvalidateRegion.Union( *pRegion );
if (pWindowImpl->mpWinData && pWindowImpl->mbTrackVisible)
/* #98602# need to repaint all children within the
* tracking rectangle, so the following invert
* operation takes places without traces of the previous
* one.
*/
pWindowImpl->maInvalidateRegion.Union(*pWindowImpl->mpWinData->mpTrackRect);
if (pWindowImpl->mnPaintFlags & IMPL_PAINT_PAINTALLCHILDREN)
m_pChildRegion = new vcl::Region(pWindowImpl->maInvalidateRegion);
pWindowImpl->maInvalidateRegion.Intersect(*pWinChildClipRegion);
}
pWindowImpl->mnPaintFlags = 0;
if (!pWindowImpl->maInvalidateRegion.IsEmpty())
{
VCL_GL_INFO("vcl.opengl", "PaintHelper::DoPaint on " <<
typeid( *m_pWindow ).name() << " '" << m_pWindow->GetText() << "' begin");
OutputDevice::PaintScope aScope( m_pWindow );
// double-buffering: setup the buffer if it does not exist
if (!pFrameData->mbInBufferedPaint && m_pWindow->SupportsDoubleBuffering())
StartBufferedPaint();
// double-buffering: if this window does not support double-buffering,
// but we are in the middle of double-buffered paint, we might be
// losing information
if (pFrameData->mbInBufferedPaint && !m_pWindow->SupportsDoubleBuffering())
SAL_WARN("vcl.doublebuffering", "non-double buffered window in the double-buffered hierarchy, painting directly: " << typeid(*m_pWindow.get()).name());
if (pFrameData->mbInBufferedPaint && m_pWindow->SupportsDoubleBuffering())
{
// double-buffering
PaintBufferGuard g(pFrameData, m_pWindow);
m_pWindow->ApplySettings(*pFrameData->mpBuffer.get());
m_pWindow->PushPaintHelper(this, *pFrameData->mpBuffer.get());
m_pWindow->Paint(*pFrameData->mpBuffer.get(), m_aPaintRect);
pFrameData->maBufferedRect.Union(m_aPaintRect);
}
else
{
// direct painting
m_pWindow->ApplySettings(*m_pWindow);
m_pWindow->PushPaintHelper(this, *m_pWindow);
m_pWindow->Paint(*m_pWindow, m_aPaintRect);
}
VCL_GL_INFO("vcl.opengl", "PaintHelper::DoPaint end on " <<
typeid( *m_pWindow ).name() << " '" << m_pWindow->GetText() << "'");
}
}
namespace vcl
{
void RenderTools::DrawSelectionBackground(vcl::RenderContext& rRenderContext, vcl::Window& rWindow,
const Rectangle& rRect, sal_uInt16 nHighlight,
bool bChecked, bool bDrawBorder, bool bDrawExtBorderOnly,
Color* pSelectionTextColor, long nCornerRadius, Color* pPaintColor)
{
if (rRect.IsEmpty())
return;
bool bRoundEdges = nCornerRadius > 0;
const StyleSettings& rStyles = rRenderContext.GetSettings().GetStyleSettings();
// colors used for item highlighting
Color aSelectionBorderColor(pPaintColor ? *pPaintColor : rStyles.GetHighlightColor());
Color aSelectionFillColor(aSelectionBorderColor);
bool bDark = rStyles.GetFaceColor().IsDark();
bool bBright = ( rStyles.GetFaceColor() == Color( COL_WHITE ) );
int c1 = aSelectionBorderColor.GetLuminance();
int c2 = rWindow.GetDisplayBackground().GetColor().GetLuminance();
if (!bDark && !bBright && std::abs(c2 - c1) < (pPaintColor ? 40 : 75))
{
// constrast too low
sal_uInt16 h, s, b;
aSelectionFillColor.RGBtoHSB( h, s, b );
if( b > 50 ) b -= 40;
else b += 40;
aSelectionFillColor.SetColor( Color::HSBtoRGB( h, s, b ) );
aSelectionBorderColor = aSelectionFillColor;
}
if (bRoundEdges)
{
if (aSelectionBorderColor.IsDark())
aSelectionBorderColor.IncreaseLuminance(128);
else
aSelectionBorderColor.DecreaseLuminance(128);
}
Rectangle aRect(rRect);
if (bDrawExtBorderOnly)
{
aRect.Left() -= 1;
aRect.Top() -= 1;
aRect.Right() += 1;
aRect.Bottom() += 1;
}
rRenderContext.Push(PushFlags::FILLCOLOR | PushFlags::LINECOLOR);
if (bDrawBorder)
rRenderContext.SetLineColor(bDark ? Color(COL_WHITE) : (bBright ? Color(COL_BLACK) : aSelectionBorderColor));
else
rRenderContext.SetLineColor();
sal_uInt16 nPercent = 0;
if (!nHighlight)
{
if (bDark)
aSelectionFillColor = COL_BLACK;
else
nPercent = 80; // just checked (light)
}
else
{
if (bChecked && nHighlight == 2)
{
if (bDark)
aSelectionFillColor = COL_LIGHTGRAY;
else if (bBright)
{
aSelectionFillColor = COL_BLACK;
rRenderContext.SetLineColor(COL_BLACK);
nPercent = 0;
}
else
nPercent = bRoundEdges ? 40 : 20; // selected, pressed or checked ( very dark )
}
else if (bChecked || nHighlight == 1)
{
if (bDark)
aSelectionFillColor = COL_GRAY;
else if (bBright)
{
aSelectionFillColor = COL_BLACK;
rRenderContext.SetLineColor(COL_BLACK);
nPercent = 0;
}
else
nPercent = bRoundEdges ? 60 : 35; // selected, pressed or checked ( very dark )
}
else
{
if (bDark)
aSelectionFillColor = COL_LIGHTGRAY;
else if (bBright)
{
aSelectionFillColor = COL_BLACK;
rRenderContext.SetLineColor(COL_BLACK);
if (nHighlight == 3)
nPercent = 80;
else
nPercent = 0;
}
else
nPercent = 70; // selected ( dark )
}
}
if (bDark && bDrawExtBorderOnly)
{
rRenderContext.SetFillColor();
if (pSelectionTextColor)
*pSelectionTextColor = rStyles.GetHighlightTextColor();
}
else
{
rRenderContext.SetFillColor(aSelectionFillColor);
if (pSelectionTextColor)
{
Color aTextColor = rWindow.IsControlBackground() ? rWindow.GetControlForeground() : rStyles.GetButtonTextColor();
Color aHLTextColor = rStyles.GetHighlightTextColor();
int nTextDiff = std::abs(aSelectionFillColor.GetLuminance() - aTextColor.GetLuminance());
int nHLDiff = std::abs(aSelectionFillColor.GetLuminance() - aHLTextColor.GetLuminance());
*pSelectionTextColor = (nHLDiff >= nTextDiff) ? aHLTextColor : aTextColor;
}
}
if (bDark)
{
rRenderContext.DrawRect(aRect);
}
else
{
if (bRoundEdges)
{
tools::Polygon aPoly(aRect, nCornerRadius, nCornerRadius);
tools::PolyPolygon aPolyPoly(aPoly);
rRenderContext.DrawTransparent(aPolyPoly, nPercent);
}
else
{
tools::Polygon aPoly(aRect);
tools::PolyPolygon aPolyPoly(aPoly);
rRenderContext.DrawTransparent(aPolyPoly, nPercent);
}
}
rRenderContext.Pop(); // LINECOLOR | FILLCOLOR
}
void Window::PushPaintHelper(PaintHelper *pHelper, vcl::RenderContext& rRenderContext)
{
pHelper->SetPop();
if ( mpWindowImpl->mpCursor )
pHelper->SetRestoreCursor(mpWindowImpl->mpCursor->ImplSuspend());
mbInitClipRegion = true;
mpWindowImpl->mbInPaint = true;
// restore Paint-Region
vcl::Region &rPaintRegion = pHelper->GetPaintRegion();
rPaintRegion = mpWindowImpl->maInvalidateRegion;
Rectangle aPaintRect = rPaintRegion.GetBoundRect();
// - RTL - re-mirror paint rect and region at this window
if (ImplIsAntiparallel())
{
rRenderContext.ReMirror(aPaintRect);
rRenderContext.ReMirror(rPaintRegion);
}
aPaintRect = ImplDevicePixelToLogic(aPaintRect);
mpWindowImpl->mpPaintRegion = &rPaintRegion;
mpWindowImpl->maInvalidateRegion.SetEmpty();
if ((pHelper->GetPaintFlags() & IMPL_PAINT_ERASE) && rRenderContext.IsBackground())
{
if (rRenderContext.IsClipRegion())
{
vcl::Region aOldRegion = rRenderContext.GetClipRegion();
rRenderContext.SetClipRegion();
Erase(rRenderContext);
rRenderContext.SetClipRegion(aOldRegion);
}
else
Erase(rRenderContext);
}
// #98943# trigger drawing of toolbox selection after all children are painted
if (mpWindowImpl->mbDrawSelectionBackground)
pHelper->SetSelectionRect(aPaintRect);
pHelper->SetPaintRect(aPaintRect);
}
void Window::PopPaintHelper(PaintHelper *pHelper)
{
if (mpWindowImpl->mpWinData)
{
if (mpWindowImpl->mbFocusVisible)
ImplInvertFocus(*(mpWindowImpl->mpWinData->mpFocusRect));
}
mpWindowImpl->mbInPaint = false;
mbInitClipRegion = true;
mpWindowImpl->mpPaintRegion = NULL;
if (mpWindowImpl->mpCursor)
mpWindowImpl->mpCursor->ImplResume(pHelper->GetRestoreCursor());
}
} /* namespace vcl */
PaintHelper::~PaintHelper()
{
WindowImpl* pWindowImpl = m_pWindow->ImplGetWindowImpl();
if (m_bPop)
{
m_pWindow->PopPaintHelper(this);
}
ImplFrameData* pFrameData = m_pWindow->mpWindowImpl->mpFrameData;
if ( m_nPaintFlags & (IMPL_PAINT_PAINTALLCHILDREN | IMPL_PAINT_PAINTCHILDREN) )
{
// Paint from the bottom child window and frontward.
vcl::Window* pTempWindow = pWindowImpl->mpLastChild;
while (pTempWindow)
{
if (pTempWindow->mpWindowImpl->mbVisible)
pTempWindow->ImplCallPaint(m_pChildRegion, m_nPaintFlags);
pTempWindow = pTempWindow->mpWindowImpl->mpPrev;
}
}
if ( pWindowImpl->mpWinData && pWindowImpl->mbTrackVisible && (pWindowImpl->mpWinData->mnTrackFlags & SHOWTRACK_WINDOW) )
/* #98602# need to invert the tracking rect AFTER
* the children have painted
*/
m_pWindow->InvertTracking( *(pWindowImpl->mpWinData->mpTrackRect), pWindowImpl->mpWinData->mnTrackFlags );
// double-buffering: paint in case we created the buffer, the children are
// already painted inside
if (m_bStartedBufferedPaint && pFrameData->mbInBufferedPaint)
{
PaintBuffer();
pFrameData->mbInBufferedPaint = false;
pFrameData->maBufferedRect = Rectangle();
}
// #98943# draw toolbox selection
if( !m_aSelectionRect.IsEmpty() )
m_pWindow->DrawSelectionBackground( m_aSelectionRect, 3, false, true, false );
delete m_pChildRegion;
}
namespace vcl {
void Window::ImplCallPaint(const vcl::Region* pRegion, sal_uInt16 nPaintFlags)
{
// call PrePaint. PrePaint may add to the invalidate region as well as
// other parameters used below.
PrePaint(*this);
mpWindowImpl->mbPaintFrame = false;
if (nPaintFlags & IMPL_PAINT_PAINTALLCHILDREN)
mpWindowImpl->mnPaintFlags |= IMPL_PAINT_PAINT | IMPL_PAINT_PAINTALLCHILDREN | (nPaintFlags & IMPL_PAINT_PAINTALL);
if (nPaintFlags & IMPL_PAINT_PAINTCHILDREN)
mpWindowImpl->mnPaintFlags |= IMPL_PAINT_PAINTCHILDREN;
if (nPaintFlags & IMPL_PAINT_ERASE)
mpWindowImpl->mnPaintFlags |= IMPL_PAINT_ERASE;
if (nPaintFlags & IMPL_PAINT_CHECKRTL)
mpWindowImpl->mnPaintFlags |= IMPL_PAINT_CHECKRTL;
if (!mpWindowImpl->mpFirstChild)
mpWindowImpl->mnPaintFlags &= ~IMPL_PAINT_PAINTALLCHILDREN;
if (mpWindowImpl->mbPaintDisabled)
{
if (mpWindowImpl->mnPaintFlags & IMPL_PAINT_PAINTALL)
Invalidate(InvalidateFlags::NoChildren | InvalidateFlags::NoErase | InvalidateFlags::NoTransparent | InvalidateFlags::NoClipChildren);
else if ( pRegion )
Invalidate(*pRegion, InvalidateFlags::NoChildren | InvalidateFlags::NoErase | InvalidateFlags::NoTransparent | InvalidateFlags::NoClipChildren);
return;
}
nPaintFlags = mpWindowImpl->mnPaintFlags & ~(IMPL_PAINT_PAINT);
PaintHelper aHelper(this, nPaintFlags);
if (mpWindowImpl->mnPaintFlags & IMPL_PAINT_PAINT)
aHelper.DoPaint(pRegion);
else
mpWindowImpl->mnPaintFlags = 0;
PostPaint(*this);
}
void Window::ImplCallOverlapPaint()
{
// emit overlapping windows first
vcl::Window* pTempWindow = mpWindowImpl->mpFirstOverlap;
while ( pTempWindow )
{
if ( pTempWindow->mpWindowImpl->mbReallyVisible )
pTempWindow->ImplCallOverlapPaint();
pTempWindow = pTempWindow->mpWindowImpl->mpNext;
}
// only then ourself
if ( mpWindowImpl->mnPaintFlags & (IMPL_PAINT_PAINT | IMPL_PAINT_PAINTCHILDREN) )
{
// - RTL - notify ImplCallPaint to check for re-mirroring (CHECKRTL)
// because we were called from the Sal layer
OutputDevice::PaintScope aScope( GetOutDev() );
ImplCallPaint(NULL, mpWindowImpl->mnPaintFlags /*| IMPL_PAINT_CHECKRTL */);
}
}
void Window::ImplPostPaint()
{
if ( !ImplDoTiledRendering() && !mpWindowImpl->mpFrameData->maPaintIdle.IsActive() )
mpWindowImpl->mpFrameData->maPaintIdle.Start();
}
IMPL_LINK_NOARG_TYPED(Window, ImplHandlePaintHdl, Idle *, void)
{
// save paint events until layout is done
if (!ImplDoTiledRendering() && IsSystemWindow() && static_cast<const SystemWindow*>(this)->hasPendingLayout())
{
mpWindowImpl->mpFrameData->maPaintIdle.Start();
return;
}
OutputDevice::PaintScope aScope(this);
// save paint events until resizing or initial sizing done
if (!ImplDoTiledRendering() && mpWindowImpl->mbFrame &&
(mpWindowImpl->mpFrameData->maResizeIdle.IsActive() ||
mpWindowImpl->mpFrame->PaintsBlocked()))
{
mpWindowImpl->mpFrameData->maPaintIdle.Start();
}
else if ( mpWindowImpl->mbReallyVisible )
{
ImplCallOverlapPaint();
}
}
IMPL_LINK_NOARG_TYPED(Window, ImplHandleResizeTimerHdl, Idle *, void)
{
if( mpWindowImpl->mbReallyVisible )
{
OutputDevice::PaintScope aScope(this);
ImplCallResize();
if( ImplDoTiledRendering() )
{
ImplHandlePaintHdl(NULL);
}
else if( mpWindowImpl->mpFrameData->maPaintIdle.IsActive() )
{
mpWindowImpl->mpFrameData->maPaintIdle.Stop();
mpWindowImpl->mpFrameData->maPaintIdle.GetIdleHdl().Call( NULL );
}
}
}
void Window::ImplInvalidateFrameRegion( const vcl::Region* pRegion, InvalidateFlags nFlags )
{
// set PAINTCHILDREN for all parent windows till the first OverlapWindow
if ( !ImplIsOverlapWindow() )
{
vcl::Window* pTempWindow = this;
sal_uInt16 nTranspPaint = IsPaintTransparent() ? IMPL_PAINT_PAINT : 0;
do
{
pTempWindow = pTempWindow->ImplGetParent();
if ( pTempWindow->mpWindowImpl->mnPaintFlags & IMPL_PAINT_PAINTCHILDREN )
break;
pTempWindow->mpWindowImpl->mnPaintFlags |= IMPL_PAINT_PAINTCHILDREN | nTranspPaint;
if( ! pTempWindow->IsPaintTransparent() )
nTranspPaint = 0;
}
while ( !pTempWindow->ImplIsOverlapWindow() );
}
// set Paint-Flags
mpWindowImpl->mnPaintFlags |= IMPL_PAINT_PAINT;
if ( nFlags & InvalidateFlags::Children )
mpWindowImpl->mnPaintFlags |= IMPL_PAINT_PAINTALLCHILDREN;
if ( !(nFlags & InvalidateFlags::NoErase) )
mpWindowImpl->mnPaintFlags |= IMPL_PAINT_ERASE;
if ( !pRegion )
mpWindowImpl->mnPaintFlags |= IMPL_PAINT_PAINTALL;
// if not everything has to be redrawn, add the region to it
if ( !(mpWindowImpl->mnPaintFlags & IMPL_PAINT_PAINTALL) )
mpWindowImpl->maInvalidateRegion.Union( *pRegion );
// Handle transparent windows correctly: invalidate must be done on the first opaque parent
if( ((IsPaintTransparent() && !(nFlags & InvalidateFlags::NoTransparent)) || (nFlags & InvalidateFlags::Transparent) )
&& ImplGetParent() )
{
vcl::Window *pParent = ImplGetParent();
while( pParent && pParent->IsPaintTransparent() )
pParent = pParent->ImplGetParent();
if( pParent )
{
vcl::Region *pChildRegion;
if ( mpWindowImpl->mnPaintFlags & IMPL_PAINT_PAINTALL )
// invalidate the whole child window region in the parent
pChildRegion = ImplGetWinChildClipRegion();
else
// invalidate the same region in the parent that has to be repainted in the child
pChildRegion = &mpWindowImpl->maInvalidateRegion;
nFlags |= InvalidateFlags::Children; // paint should also be done on all children
nFlags &= ~InvalidateFlags::NoErase; // parent should paint and erase to create proper background
pParent->ImplInvalidateFrameRegion( pChildRegion, nFlags );
}
}
ImplPostPaint();
}
void Window::ImplInvalidateOverlapFrameRegion( const vcl::Region& rRegion )
{
vcl::Region aRegion = rRegion;
ImplClipBoundaries( aRegion, true, true );
if ( !aRegion.IsEmpty() )
ImplInvalidateFrameRegion( &aRegion, InvalidateFlags::Children );
// now we invalidate the overlapping windows
vcl::Window* pTempWindow = mpWindowImpl->mpFirstOverlap;
while ( pTempWindow )
{
if ( pTempWindow->IsVisible() )
pTempWindow->ImplInvalidateOverlapFrameRegion( rRegion );
pTempWindow = pTempWindow->mpWindowImpl->mpNext;
}
}
void Window::ImplInvalidateParentFrameRegion( vcl::Region& rRegion )
{
if ( mpWindowImpl->mbOverlapWin )
mpWindowImpl->mpFrameWindow->ImplInvalidateOverlapFrameRegion( rRegion );
else
{
if( ImplGetParent() )
ImplGetParent()->ImplInvalidateFrameRegion( &rRegion, InvalidateFlags::Children );
}
}
void Window::ImplInvalidate( const vcl::Region* pRegion, InvalidateFlags nFlags )
{
// reset background storage
if ( mpWindowImpl->mpFrameData->mpFirstBackWin )
ImplInvalidateAllOverlapBackgrounds();
// check what has to be redrawn
bool bInvalidateAll = !pRegion;
// take Transparent-Invalidate into account
vcl::Window* pOpaqueWindow = this;
if ( (mpWindowImpl->mbPaintTransparent && !(nFlags & InvalidateFlags::NoTransparent)) || (nFlags & InvalidateFlags::Transparent) )
{
vcl::Window* pTempWindow = pOpaqueWindow->ImplGetParent();
while ( pTempWindow )
{
if ( !pTempWindow->IsPaintTransparent() )
{
pOpaqueWindow = pTempWindow;
nFlags |= InvalidateFlags::Children;
bInvalidateAll = false;
break;
}
if ( pTempWindow->ImplIsOverlapWindow() )
break;
pTempWindow = pTempWindow->ImplGetParent();
}
}
// assemble region
InvalidateFlags nOrgFlags = nFlags;
if ( !(nFlags & (InvalidateFlags::Children | InvalidateFlags::NoChildren)) )
{
if ( GetStyle() & WB_CLIPCHILDREN )
nFlags |= InvalidateFlags::NoChildren;
else
nFlags |= InvalidateFlags::Children;
}
if ( (nFlags & InvalidateFlags::NoChildren) && mpWindowImpl->mpFirstChild )
bInvalidateAll = false;
if ( bInvalidateAll )
ImplInvalidateFrameRegion( NULL, nFlags );
else
{
Rectangle aRect( Point( mnOutOffX, mnOutOffY ), Size( mnOutWidth, mnOutHeight ) );
vcl::Region aRegion( aRect );
if ( pRegion )
{
// --- RTL --- remirror region before intersecting it
if ( ImplIsAntiparallel() )
{
const OutputDevice *pOutDev = GetOutDev();
vcl::Region aRgn( *pRegion );
pOutDev->ReMirror( aRgn );
aRegion.Intersect( aRgn );
}
else
aRegion.Intersect( *pRegion );
}
ImplClipBoundaries( aRegion, true, true );
if ( nFlags & InvalidateFlags::NoChildren )
{
nFlags &= ~InvalidateFlags::Children;
if ( !(nFlags & InvalidateFlags::NoClipChildren) )
{
if ( nOrgFlags & InvalidateFlags::NoChildren )
ImplClipAllChildren( aRegion );
else
{
if ( ImplClipChildren( aRegion ) )
nFlags |= InvalidateFlags::Children;
}
}
}
if ( !aRegion.IsEmpty() )
ImplInvalidateFrameRegion( &aRegion, nFlags ); // transparency is handled here, pOpaqueWindow not required
}
if ( nFlags & InvalidateFlags::Update )
pOpaqueWindow->Update(); // start painting at the opaque parent
}
void Window::ImplMoveInvalidateRegion( const Rectangle& rRect,
long nHorzScroll, long nVertScroll,
bool bChildren )
{
if ( (mpWindowImpl->mnPaintFlags & (IMPL_PAINT_PAINT | IMPL_PAINT_PAINTALL)) == IMPL_PAINT_PAINT )
{
vcl::Region aTempRegion = mpWindowImpl->maInvalidateRegion;
aTempRegion.Intersect( rRect );
aTempRegion.Move( nHorzScroll, nVertScroll );
mpWindowImpl->maInvalidateRegion.Union( aTempRegion );
}
if ( bChildren && (mpWindowImpl->mnPaintFlags & IMPL_PAINT_PAINTCHILDREN) )
{
vcl::Window* pWindow = mpWindowImpl->mpFirstChild;
while ( pWindow )
{
pWindow->ImplMoveInvalidateRegion( rRect, nHorzScroll, nVertScroll, true );
pWindow = pWindow->mpWindowImpl->mpNext;
}
}
}
void Window::ImplMoveAllInvalidateRegions( const Rectangle& rRect,
long nHorzScroll, long nVertScroll,
bool bChildren )
{
// also shift Paint-Region when paints need processing
ImplMoveInvalidateRegion( rRect, nHorzScroll, nVertScroll, bChildren );
// Paint-Region should be shifted, as drawn by the parents
if ( !ImplIsOverlapWindow() )
{
vcl::Region aPaintAllRegion;
vcl::Window* pPaintAllWindow = this;
do
{
pPaintAllWindow = pPaintAllWindow->ImplGetParent();
if ( pPaintAllWindow->mpWindowImpl->mnPaintFlags & IMPL_PAINT_PAINTALLCHILDREN )
{
if ( pPaintAllWindow->mpWindowImpl->mnPaintFlags & IMPL_PAINT_PAINTALL )
{
aPaintAllRegion.SetEmpty();
break;
}
else
aPaintAllRegion.Union( pPaintAllWindow->mpWindowImpl->maInvalidateRegion );
}
}
while ( !pPaintAllWindow->ImplIsOverlapWindow() );
if ( !aPaintAllRegion.IsEmpty() )
{
aPaintAllRegion.Move( nHorzScroll, nVertScroll );
InvalidateFlags nPaintFlags = InvalidateFlags::NONE;
if ( bChildren )
nPaintFlags |= InvalidateFlags::Children;
ImplInvalidateFrameRegion( &aPaintAllRegion, nPaintFlags );
}
}
}
void Window::ImplValidateFrameRegion( const vcl::Region* pRegion, ValidateFlags nFlags )
{
if ( !pRegion )
mpWindowImpl->maInvalidateRegion.SetEmpty();
else
{
// when all child windows have to be drawn we need to invalidate them before doing so
if ( (mpWindowImpl->mnPaintFlags & IMPL_PAINT_PAINTALLCHILDREN) && mpWindowImpl->mpFirstChild )
{
vcl::Region aChildRegion = mpWindowImpl->maInvalidateRegion;
if ( mpWindowImpl->mnPaintFlags & IMPL_PAINT_PAINTALL )
{
Rectangle aRect( Point( mnOutOffX, mnOutOffY ), Size( mnOutWidth, mnOutHeight ) );
aChildRegion = aRect;
}
vcl::Window* pChild = mpWindowImpl->mpFirstChild;
while ( pChild )
{
pChild->Invalidate( aChildRegion, InvalidateFlags::Children | InvalidateFlags::NoTransparent );
pChild = pChild->mpWindowImpl->mpNext;
}
}
if ( mpWindowImpl->mnPaintFlags & IMPL_PAINT_PAINTALL )
{
Rectangle aRect( Point( mnOutOffX, mnOutOffY ), Size( mnOutWidth, mnOutHeight ) );
mpWindowImpl->maInvalidateRegion = aRect;
}
mpWindowImpl->maInvalidateRegion.Exclude( *pRegion );
}
mpWindowImpl->mnPaintFlags &= ~IMPL_PAINT_PAINTALL;
if ( nFlags & ValidateFlags::Children )
{
vcl::Window* pChild = mpWindowImpl->mpFirstChild;
while ( pChild )
{
pChild->ImplValidateFrameRegion( pRegion, nFlags );
pChild = pChild->mpWindowImpl->mpNext;
}
}
}
void Window::ImplValidate( const vcl::Region* pRegion, ValidateFlags nFlags )
{
// assemble region
bool bValidateAll = !pRegion;
ValidateFlags nOrgFlags = nFlags;
if ( !(nFlags & (ValidateFlags::Children | ValidateFlags::NoChildren)) )
{
if ( GetStyle() & WB_CLIPCHILDREN )
nFlags |= ValidateFlags::NoChildren;
else
nFlags |= ValidateFlags::Children;
}
if ( (nFlags & ValidateFlags::NoChildren) && mpWindowImpl->mpFirstChild )
bValidateAll = false;
if ( bValidateAll )
ImplValidateFrameRegion( NULL, nFlags );
else
{
Rectangle aRect( Point( mnOutOffX, mnOutOffY ), Size( mnOutWidth, mnOutHeight ) );
vcl::Region aRegion( aRect );
if ( pRegion )
aRegion.Intersect( *pRegion );
ImplClipBoundaries( aRegion, true, true );
if ( nFlags & ValidateFlags::NoChildren )
{
nFlags &= ~ValidateFlags::Children;
if ( nOrgFlags & ValidateFlags::NoChildren )
ImplClipAllChildren( aRegion );
else
{
if ( ImplClipChildren( aRegion ) )
nFlags |= ValidateFlags::Children;
}
}
if ( !aRegion.IsEmpty() )
ImplValidateFrameRegion( &aRegion, nFlags );
}
}
void Window::ImplUpdateAll( bool bOverlapWindows )
{
if ( !mpWindowImpl->mbReallyVisible )
return;
bool bFlush = false;
if ( mpWindowImpl->mpFrameWindow->mpWindowImpl->mbPaintFrame )
{
Point aPoint( 0, 0 );
vcl::Region aRegion( Rectangle( aPoint, Size( mnOutWidth, mnOutHeight ) ) );
ImplInvalidateOverlapFrameRegion( aRegion );
if ( mpWindowImpl->mbFrame || (mpWindowImpl->mpBorderWindow && mpWindowImpl->mpBorderWindow->mpWindowImpl->mbFrame) )
bFlush = true;
}
// an update changes the OverlapWindow, such that for later paints
// not too much has to be drawn, if ALLCHILDREN etc. is set
vcl::Window* pWindow = ImplGetFirstOverlapWindow();
if ( bOverlapWindows )
pWindow->ImplCallOverlapPaint();
else
{
if (pWindow->mpWindowImpl->mnPaintFlags & (IMPL_PAINT_PAINT | IMPL_PAINT_PAINTCHILDREN))
pWindow->ImplCallPaint(NULL, pWindow->mpWindowImpl->mnPaintFlags);
}
if ( bFlush )
Flush();
}
void Window::PrePaint(vcl::RenderContext& /*rRenderContext*/)
{
}
void Window::PostPaint(vcl::RenderContext& /*rRenderContext*/)
{
}
void Window::Paint(vcl::RenderContext& /*rRenderContext*/, const Rectangle& rRect)
{
CallEventListeners(VCLEVENT_WINDOW_PAINT, const_cast<Rectangle *>(&rRect));
}
void Window::SetPaintTransparent( bool bTransparent )
{
// transparency is not useful for frames as the background would have to be provided by a different frame
if( bTransparent && mpWindowImpl->mbFrame )
return;
if ( mpWindowImpl->mpBorderWindow )
mpWindowImpl->mpBorderWindow->SetPaintTransparent( bTransparent );
mpWindowImpl->mbPaintTransparent = bTransparent;
}
void Window::SetWindowRegionPixel()
{
if ( mpWindowImpl->mpBorderWindow )
mpWindowImpl->mpBorderWindow->SetWindowRegionPixel();
else if( mpWindowImpl->mbFrame )
{
mpWindowImpl->maWinRegion = vcl::Region(true);
mpWindowImpl->mbWinRegion = false;
mpWindowImpl->mpFrame->ResetClipRegion();
}
else
{
if ( mpWindowImpl->mbWinRegion )
{
mpWindowImpl->maWinRegion = vcl::Region(true);
mpWindowImpl->mbWinRegion = false;
ImplSetClipFlag();
if ( IsReallyVisible() )
{
// restore background storage
if ( mpWindowImpl->mpOverlapData && mpWindowImpl->mpOverlapData->mpSaveBackDev )
ImplDeleteOverlapBackground();
if ( mpWindowImpl->mpFrameData->mpFirstBackWin )
ImplInvalidateAllOverlapBackgrounds();
Rectangle aRect( Point( mnOutOffX, mnOutOffY ), Size( mnOutWidth, mnOutHeight ) );
vcl::Region aRegion( aRect );
ImplInvalidateParentFrameRegion( aRegion );
}
}
}
}
void Window::SetWindowRegionPixel( const vcl::Region& rRegion )
{
if ( mpWindowImpl->mpBorderWindow )
mpWindowImpl->mpBorderWindow->SetWindowRegionPixel( rRegion );
else if( mpWindowImpl->mbFrame )
{
if( !rRegion.IsNull() )
{
mpWindowImpl->maWinRegion = rRegion;
mpWindowImpl->mbWinRegion = ! rRegion.IsEmpty();
if( mpWindowImpl->mbWinRegion )
{
// set/update ClipRegion
RectangleVector aRectangles;
mpWindowImpl->maWinRegion.GetRegionRectangles(aRectangles);
mpWindowImpl->mpFrame->BeginSetClipRegion(aRectangles.size());
for(RectangleVector::const_iterator aRectIter(aRectangles.begin()); aRectIter != aRectangles.end(); ++aRectIter)
{
mpWindowImpl->mpFrame->UnionClipRegion(
aRectIter->Left(),
aRectIter->Top(),
aRectIter->GetWidth(), // orig nWidth was ((R - L) + 1), same as GetWidth does
aRectIter->GetHeight()); // same for height
}
mpWindowImpl->mpFrame->EndSetClipRegion();
//long nX;
//long nY;
//long nWidth;
//long nHeight;
//sal_uLong nRectCount;
//ImplRegionInfo aInfo;
//sal_Bool bRegionRect;
//nRectCount = mpWindowImpl->maWinRegion.GetRectCount();
//mpWindowImpl->mpFrame->BeginSetClipRegion( nRectCount );
//bRegionRect = mpWindowImpl->maWinRegion.ImplGetFirstRect( aInfo, nX, nY, nWidth, nHeight );
//while ( bRegionRect )
//{
// mpWindowImpl->mpFrame->UnionClipRegion( nX, nY, nWidth, nHeight );
// bRegionRect = mpWindowImpl->maWinRegion.ImplGetNextRect( aInfo, nX, nY, nWidth, nHeight );
//}
//mpWindowImpl->mpFrame->EndSetClipRegion();
}
else
SetWindowRegionPixel();
}
else
SetWindowRegionPixel();
}
else
{
if ( rRegion.IsNull() )
{
if ( mpWindowImpl->mbWinRegion )
{
mpWindowImpl->maWinRegion = vcl::Region(true);
mpWindowImpl->mbWinRegion = false;
ImplSetClipFlag();
}
}
else
{
mpWindowImpl->maWinRegion = rRegion;
mpWindowImpl->mbWinRegion = true;
ImplSetClipFlag();
}
if ( IsReallyVisible() )
{
// restore background storage
if ( mpWindowImpl->mpOverlapData && mpWindowImpl->mpOverlapData->mpSaveBackDev )
ImplDeleteOverlapBackground();
if ( mpWindowImpl->mpFrameData->mpFirstBackWin )
ImplInvalidateAllOverlapBackgrounds();
Rectangle aRect( Point( mnOutOffX, mnOutOffY ), Size( mnOutWidth, mnOutHeight ) );
vcl::Region aRegion( aRect );
ImplInvalidateParentFrameRegion( aRegion );
}
}
}
const vcl::Region& Window::GetWindowRegionPixel() const
{
if ( mpWindowImpl->mpBorderWindow )
return mpWindowImpl->mpBorderWindow->GetWindowRegionPixel();
else
return mpWindowImpl->maWinRegion;
}
bool Window::IsWindowRegionPixel() const
{
if ( mpWindowImpl->mpBorderWindow )
return mpWindowImpl->mpBorderWindow->IsWindowRegionPixel();
else
return mpWindowImpl->mbWinRegion;
}
vcl::Region Window::GetPaintRegion() const
{
if ( mpWindowImpl->mpPaintRegion )
{
vcl::Region aRegion = *mpWindowImpl->mpPaintRegion;
aRegion.Move( -mnOutOffX, -mnOutOffY );
return PixelToLogic( aRegion );
}
else
{
vcl::Region aPaintRegion(true);
return aPaintRegion;
}
}
void Window::Invalidate( InvalidateFlags nFlags )
{
if ( !comphelper::LibreOfficeKit::isActive() && (!IsDeviceOutputNecessary() || !mnOutWidth || !mnOutHeight) )
return;
ImplInvalidate( NULL, nFlags );
LogicInvalidate(0);
}
void Window::Invalidate( const Rectangle& rRect, InvalidateFlags nFlags )
{
if ( !comphelper::LibreOfficeKit::isActive() && (!IsDeviceOutputNecessary() || !mnOutWidth || !mnOutHeight) )
return;
OutputDevice *pOutDev = GetOutDev();
Rectangle aRect = pOutDev->ImplLogicToDevicePixel( rRect );
if ( !aRect.IsEmpty() )
{
vcl::Region aRegion( aRect );
ImplInvalidate( &aRegion, nFlags );
Rectangle aLogicRectangle(rRect);
LogicInvalidate(&aLogicRectangle);
}
}
void Window::Invalidate( const vcl::Region& rRegion, InvalidateFlags nFlags )
{
if ( !comphelper::LibreOfficeKit::isActive() && (!IsDeviceOutputNecessary() || !mnOutWidth || !mnOutHeight) )
return;
if ( rRegion.IsNull() )
{
ImplInvalidate( NULL, nFlags );
LogicInvalidate(0);
}
else
{
vcl::Region aRegion = ImplPixelToDevicePixel( LogicToPixel( rRegion ) );
if ( !aRegion.IsEmpty() )
{
ImplInvalidate( &aRegion, nFlags );
Rectangle aLogicRectangle = rRegion.GetBoundRect();
LogicInvalidate(&aLogicRectangle);
}
}
}
void Window::Validate( ValidateFlags nFlags )
{
if ( !comphelper::LibreOfficeKit::isActive() && (!IsDeviceOutputNecessary() || !mnOutWidth || !mnOutHeight) )
return;
ImplValidate( NULL, nFlags );
}
bool Window::HasPaintEvent() const
{
if ( !mpWindowImpl->mbReallyVisible )
return false;
if ( mpWindowImpl->mpFrameWindow->mpWindowImpl->mbPaintFrame )
return true;
if ( mpWindowImpl->mnPaintFlags & IMPL_PAINT_PAINT )
return true;
if ( !ImplIsOverlapWindow() )
{
const vcl::Window* pTempWindow = this;
do
{
pTempWindow = pTempWindow->ImplGetParent();
if ( pTempWindow->mpWindowImpl->mnPaintFlags & (IMPL_PAINT_PAINTCHILDREN | IMPL_PAINT_PAINTALLCHILDREN) )
return true;
}
while ( !pTempWindow->ImplIsOverlapWindow() );
}
return false;
}
void Window::Update()
{
if ( mpWindowImpl->mpBorderWindow )
{
mpWindowImpl->mpBorderWindow->Update();
return;
}
if ( !mpWindowImpl->mbReallyVisible )
return;
bool bFlush = false;
if ( mpWindowImpl->mpFrameWindow->mpWindowImpl->mbPaintFrame )
{
Point aPoint( 0, 0 );
vcl::Region aRegion( Rectangle( aPoint, Size( mnOutWidth, mnOutHeight ) ) );
ImplInvalidateOverlapFrameRegion( aRegion );
if ( mpWindowImpl->mbFrame || (mpWindowImpl->mpBorderWindow && mpWindowImpl->mpBorderWindow->mpWindowImpl->mbFrame) )
bFlush = true;
}
// First we should skip all windows which are Paint-Transparent
vcl::Window* pUpdateWindow = this;
vcl::Window* pWindow = pUpdateWindow;
while ( !pWindow->ImplIsOverlapWindow() )
{
if ( !pWindow->mpWindowImpl->mbPaintTransparent )
{
pUpdateWindow = pWindow;
break;
}
pWindow = pWindow->ImplGetParent();
}
// In order to limit drawing, an update only draws the window which
// has PAINTALLCHILDREN set
pWindow = pUpdateWindow;
do
{
if ( pWindow->mpWindowImpl->mnPaintFlags & IMPL_PAINT_PAINTALLCHILDREN )
pUpdateWindow = pWindow;
if ( pWindow->ImplIsOverlapWindow() )
break;
pWindow = pWindow->ImplGetParent();
}
while ( pWindow );
// if there is something to paint, trigger a Paint
if ( pUpdateWindow->mpWindowImpl->mnPaintFlags & (IMPL_PAINT_PAINT | IMPL_PAINT_PAINTCHILDREN) )
{
ImplDelData aDogTag(this);
// trigger an update also for system windows on top of us,
// otherwise holes would remain
vcl::Window* pUpdateOverlapWindow = ImplGetFirstOverlapWindow()->mpWindowImpl->mpFirstOverlap;
while ( pUpdateOverlapWindow )
{
pUpdateOverlapWindow->Update();
pUpdateOverlapWindow = pUpdateOverlapWindow->mpWindowImpl->mpNext;
}
pUpdateWindow->ImplCallPaint(NULL, pUpdateWindow->mpWindowImpl->mnPaintFlags);
if (aDogTag.IsDead())
return;
bFlush = true;
}
if ( bFlush )
Flush();
}
void Window::ImplPaintToDevice( OutputDevice* i_pTargetOutDev, const Point& i_rPos )
{
bool bRVisible = mpWindowImpl->mbReallyVisible;
mpWindowImpl->mbReallyVisible = mpWindowImpl->mbVisible;
bool bDevOutput = mbDevOutput;
mbDevOutput = true;
const OutputDevice *pOutDev = GetOutDev();
long nOldDPIX = pOutDev->GetDPIX();
long nOldDPIY = pOutDev->GetDPIY();
mnDPIX = i_pTargetOutDev->GetDPIX();
mnDPIY = i_pTargetOutDev->GetDPIY();
bool bOutput = IsOutputEnabled();
EnableOutput();
DBG_ASSERT( GetMapMode().GetMapUnit() == MAP_PIXEL, "MapMode must be PIXEL based" );
if ( GetMapMode().GetMapUnit() != MAP_PIXEL )
return;
// preserve graphicsstate
Push();
vcl::Region aClipRegion( GetClipRegion() );
SetClipRegion();
GDIMetaFile* pOldMtf = GetConnectMetaFile();
GDIMetaFile aMtf;
SetConnectMetaFile( &aMtf );
// put a push action to metafile
Push();
// copy graphics state to metafile
vcl::Font aCopyFont = GetFont();
if( nOldDPIX != mnDPIX || nOldDPIY != mnDPIY )
{
aCopyFont.SetHeight( aCopyFont.GetHeight() * mnDPIY / nOldDPIY );
aCopyFont.SetWidth( aCopyFont.GetWidth() * mnDPIX / nOldDPIX );
}
SetFont( aCopyFont );
SetTextColor( GetTextColor() );
if( IsLineColor() )
SetLineColor( GetLineColor() );
else
SetLineColor();
if( IsFillColor() )
SetFillColor( GetFillColor() );
else
SetFillColor();
if( IsTextLineColor() )
SetTextLineColor( GetTextLineColor() );
else
SetTextLineColor();
if( IsOverlineColor() )
SetOverlineColor( GetOverlineColor() );
else
SetOverlineColor();
if( IsTextFillColor() )
SetTextFillColor( GetTextFillColor() );
else
SetTextFillColor();
SetTextAlign( GetTextAlign() );
SetRasterOp( GetRasterOp() );
if( IsRefPoint() )
SetRefPoint( GetRefPoint() );
else
SetRefPoint();
SetLayoutMode( GetLayoutMode() );
SetDigitLanguage( GetDigitLanguage() );
Rectangle aPaintRect( Point( 0, 0 ), GetOutputSizePixel() );
aClipRegion.Intersect( aPaintRect );
SetClipRegion( aClipRegion );
// do the actual paint
// background
if( ! IsPaintTransparent() && IsBackground() && ! (GetParentClipMode() & ParentClipMode::NoClip ) )
Erase(*this);
// foreground
Paint(*this, aPaintRect);
// put a pop action to metafile
Pop();
SetConnectMetaFile( pOldMtf );
EnableOutput( bOutput );
mpWindowImpl->mbReallyVisible = bRVisible;
// paint metafile to VDev
VclPtrInstance<VirtualDevice> pMaskedDevice( *i_pTargetOutDev, 0, 0 );
pMaskedDevice->SetOutputSizePixel( GetOutputSizePixel() );
pMaskedDevice->EnableRTL( IsRTLEnabled() );
aMtf.WindStart();
aMtf.Play( pMaskedDevice );
BitmapEx aBmpEx( pMaskedDevice->GetBitmapEx( Point( 0, 0 ), pMaskedDevice->GetOutputSizePixel() ) );
i_pTargetOutDev->DrawBitmapEx( i_rPos, aBmpEx );
// get rid of virtual device now so they don't pile up during recursive calls
pMaskedDevice.disposeAndClear();
for( vcl::Window* pChild = mpWindowImpl->mpFirstChild; pChild; pChild = pChild->mpWindowImpl->mpNext )
{
if( pChild->mpWindowImpl->mpFrame == mpWindowImpl->mpFrame && pChild->IsVisible() )
{
long nDeltaX = pChild->mnOutOffX - mnOutOffX;
if( pOutDev->HasMirroredGraphics() )
nDeltaX = mnOutWidth - nDeltaX - pChild->mnOutWidth;
long nDeltaY = pChild->GetOutOffYPixel() - GetOutOffYPixel();
Point aPos( i_rPos );
Point aDelta( nDeltaX, nDeltaY );
aPos += aDelta;
pChild->ImplPaintToDevice( i_pTargetOutDev, aPos );
}
}
// restore graphics state
Pop();
EnableOutput( bOutput );
mpWindowImpl->mbReallyVisible = bRVisible;
mbDevOutput = bDevOutput;
mnDPIX = nOldDPIX;
mnDPIY = nOldDPIY;
}
void Window::PaintToDevice( OutputDevice* pDev, const Point& rPos, const Size& /*rSize*/ )
{
// FIXME: scaling: currently this is for pixel copying only
DBG_ASSERT( ! pDev->HasMirroredGraphics(), "PaintToDevice to mirroring graphics" );
DBG_ASSERT( ! pDev->IsRTLEnabled(), "PaintToDevice to mirroring device" );
vcl::Window* pRealParent = NULL;
if( ! mpWindowImpl->mbVisible )
{
vcl::Window* pTempParent = ImplGetDefaultWindow();
if( pTempParent )
pTempParent->EnableChildTransparentMode();
pRealParent = GetParent();
SetParent( pTempParent );
// trigger correct visibility flags for children
Show();
Hide();
}
bool bVisible = mpWindowImpl->mbVisible;
mpWindowImpl->mbVisible = true;
if( mpWindowImpl->mpBorderWindow )
mpWindowImpl->mpBorderWindow->ImplPaintToDevice( pDev, rPos );
else
ImplPaintToDevice( pDev, rPos );
mpWindowImpl->mbVisible = bVisible;
if( pRealParent )
SetParent( pRealParent );
}
void Window::Erase(vcl::RenderContext& rRenderContext)
{
if (!IsDeviceOutputNecessary() || ImplIsRecordLayout())
return;
bool bNativeOK = false;
ControlPart aCtrlPart = ImplGetWindowImpl()->mnNativeBackground;
if (aCtrlPart != 0 && ! IsControlBackground())
{
Rectangle aCtrlRegion(Point(), GetOutputSizePixel());
ControlState nState = ControlState::NONE;
if (IsEnabled())
nState |= ControlState::ENABLED;
bNativeOK = rRenderContext.DrawNativeControl(CTRL_WINDOW_BACKGROUND, aCtrlPart, aCtrlRegion,
nState, ImplControlValue(), OUString());
}
if (mbBackground && !bNativeOK)
{
RasterOp eRasterOp = GetRasterOp();
if (eRasterOp != ROP_OVERPAINT)
SetRasterOp(ROP_OVERPAINT);
rRenderContext.DrawWallpaper(0, 0, mnOutWidth, mnOutHeight, maBackground);
if (eRasterOp != ROP_OVERPAINT)
rRenderContext.SetRasterOp(eRasterOp);
}
if (mpAlphaVDev)
mpAlphaVDev->Erase();
}
void Window::ImplScroll( const Rectangle& rRect,
long nHorzScroll, long nVertScroll, ScrollFlags nFlags )
{
if ( !IsDeviceOutputNecessary() )
return;
nHorzScroll = ImplLogicWidthToDevicePixel( nHorzScroll );
nVertScroll = ImplLogicHeightToDevicePixel( nVertScroll );
if ( !nHorzScroll && !nVertScroll )
return;
// restore background storage
if ( mpWindowImpl->mpFrameData->mpFirstBackWin )
ImplInvalidateAllOverlapBackgrounds();
if ( mpWindowImpl->mpCursor )
mpWindowImpl->mpCursor->ImplSuspend();
ScrollFlags nOrgFlags = nFlags;
if ( !(nFlags & (ScrollFlags::Children | ScrollFlags::NoChildren)) )
{
if ( GetStyle() & WB_CLIPCHILDREN )
nFlags |= ScrollFlags::NoChildren;
else
nFlags |= ScrollFlags::Children;
}
vcl::Region aInvalidateRegion;
bool bScrollChildren(nFlags & ScrollFlags::Children);
bool bErase(!(nFlags & ScrollFlags::NoErase));
if ( !mpWindowImpl->mpFirstChild )
bScrollChildren = false;
OutputDevice *pOutDev = GetOutDev();
// --- RTL --- check if this window requires special action
bool bReMirror = ( ImplIsAntiparallel() );
Rectangle aRectMirror( rRect );
if( bReMirror )
{
// --- RTL --- make sure the invalidate region of this window is
// computed in the same coordinate space as the one from the overlap windows
pOutDev->ReMirror( aRectMirror );
}
// adapt paint areas
ImplMoveAllInvalidateRegions( aRectMirror, nHorzScroll, nVertScroll, bScrollChildren );
if ( !(nFlags & ScrollFlags::NoInvalidate) )
{
ImplCalcOverlapRegion( aRectMirror, aInvalidateRegion, !bScrollChildren, true, false );
// --- RTL ---
// if the scrolling on the device is performed in the opposite direction
// then move the overlaps in that direction to compute the invalidate region
// on the correct side, i.e., revert nHorzScroll
if ( !aInvalidateRegion.IsEmpty() )
{
aInvalidateRegion.Move( bReMirror ? -nHorzScroll : nHorzScroll, nVertScroll );
bErase = true;
}
if ( !(nFlags & ScrollFlags::NoWindowInvalidate) )
{
Rectangle aDestRect( aRectMirror );
aDestRect.Move( bReMirror ? -nHorzScroll : nHorzScroll, nVertScroll );
vcl::Region aWinInvalidateRegion( aRectMirror );
if (!SupportsDoubleBuffering())
// There will be no CopyArea() call below, so invalidate the
// whole visible area, not only the smaller one that was just
// scrolled in.
aWinInvalidateRegion.Exclude(aDestRect);
aInvalidateRegion.Union( aWinInvalidateRegion );
}
}
Point aPoint( mnOutOffX, mnOutOffY );
vcl::Region aRegion( Rectangle( aPoint, Size( mnOutWidth, mnOutHeight ) ) );
if ( nFlags & ScrollFlags::Clip )
aRegion.Intersect( rRect );
if ( mpWindowImpl->mbWinRegion )
aRegion.Intersect( ImplPixelToDevicePixel( mpWindowImpl->maWinRegion ) );
aRegion.Exclude( aInvalidateRegion );
ImplClipBoundaries( aRegion, false, true );
if ( !bScrollChildren )
{
if ( nOrgFlags & ScrollFlags::NoChildren )
ImplClipAllChildren( aRegion );
else
ImplClipChildren( aRegion );
}
if ( mbClipRegion && (nFlags & ScrollFlags::UseClipRegion) )
aRegion.Intersect( maRegion );
if ( !aRegion.IsEmpty() )
{
if ( mpWindowImpl->mpWinData )
{
if ( mpWindowImpl->mbFocusVisible )
ImplInvertFocus( *(mpWindowImpl->mpWinData->mpFocusRect) );
if ( mpWindowImpl->mbTrackVisible && (mpWindowImpl->mpWinData->mnTrackFlags & SHOWTRACK_WINDOW) )
InvertTracking( *(mpWindowImpl->mpWinData->mpTrackRect), mpWindowImpl->mpWinData->mnTrackFlags );
}
#ifndef IOS
// This seems completely unnecessary with tiled rendering, and
// causes the "AquaSalGraphics::copyArea() for non-layered
// graphics" message. Presumably we should bypass this on all
// platforms when dealing with a "window" that uses tiled
// rendering at the moment. Unclear how to figure that out,
// though. Also unclear whether we actually could just not
// create a "frame window", whatever that exactly is, in the
// tiled rendering case, or at least for platforms where tiles
// rendering is all there is.
SalGraphics* pGraphics = ImplGetFrameGraphics();
// The invalidation area contains the area what would be copied here,
// so avoid copying in case of double buffering.
if (pGraphics && !SupportsDoubleBuffering())
{
if( bReMirror )
{
// --- RTL --- frame coordinates require re-mirroring
pOutDev->ReMirror( aRegion );
}
pOutDev->SelectClipRegion( aRegion, pGraphics );
pGraphics->CopyArea( rRect.Left()+nHorzScroll, rRect.Top()+nVertScroll,
rRect.Left(), rRect.Top(),
rRect.GetWidth(), rRect.GetHeight(),
SAL_COPYAREA_WINDOWINVALIDATE, this );
}
#endif
if ( mpWindowImpl->mpWinData )
{
if ( mpWindowImpl->mbFocusVisible )
ImplInvertFocus( *(mpWindowImpl->mpWinData->mpFocusRect) );
if ( mpWindowImpl->mbTrackVisible && (mpWindowImpl->mpWinData->mnTrackFlags & SHOWTRACK_WINDOW) )
InvertTracking( *(mpWindowImpl->mpWinData->mpTrackRect), mpWindowImpl->mpWinData->mnTrackFlags );
}
}
if ( !aInvalidateRegion.IsEmpty() )
{
// --- RTL --- the invalidate region for this windows is already computed in frame coordinates
// so it has to be re-mirrored before calling the Paint-handler
mpWindowImpl->mnPaintFlags |= IMPL_PAINT_CHECKRTL;
InvalidateFlags nPaintFlags = InvalidateFlags::Children;
if ( !bErase )
nPaintFlags |= InvalidateFlags::NoErase;
if ( !bScrollChildren )
{
if ( nOrgFlags & ScrollFlags::NoChildren )
ImplClipAllChildren( aInvalidateRegion );
else
ImplClipChildren( aInvalidateRegion );
}
ImplInvalidateFrameRegion( &aInvalidateRegion, nPaintFlags );
}
if ( bScrollChildren )
{
vcl::Window* pWindow = mpWindowImpl->mpFirstChild;
while ( pWindow )
{
Point aPos = pWindow->GetPosPixel();
aPos += Point( nHorzScroll, nVertScroll );
pWindow->SetPosPixel( aPos );
pWindow = pWindow->mpWindowImpl->mpNext;
}
}
if ( nFlags & ScrollFlags::Update )
Update();
if ( mpWindowImpl->mpCursor )
mpWindowImpl->mpCursor->ImplResume();
}
} /* namespace vcl */
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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