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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 <vcl/svapp.hxx>
#include <svx/connctrl.hxx>
#include <svx/dlgutil.hxx>
#include <svx/sdr/contact/displayinfo.hxx>
#include <sdr/contact/objectcontactofobjlistpainter.hxx>
#include <svx/svdmark.hxx>
#include <svx/svdoedge.hxx>
#include <svx/svdpage.hxx>
#include <svx/svdview.hxx>
#include <svx/sxelditm.hxx>
#include <vcl/settings.hxx>
#include <memory>
SvxXConnectionPreview::SvxXConnectionPreview()
: pView(nullptr)
{
SetMapMode(MapMode(MapUnit::Map100thMM));
}
void SvxXConnectionPreview::SetDrawingArea(weld::DrawingArea* pDrawingArea)
{
weld::CustomWidgetController::SetDrawingArea(pDrawingArea);
Size aSize(pDrawingArea->get_ref_device().LogicToPixel(Size(118 , 121), MapMode(MapUnit::MapAppFont)));
pDrawingArea->set_size_request(aSize.Width(), aSize.Height());
SetOutputSizePixel(aSize);
}
SvxXConnectionPreview::~SvxXConnectionPreview()
{
}
void SvxXConnectionPreview::Resize()
{
AdaptSize();
Invalidate();
}
void SvxXConnectionPreview::AdaptSize()
{
// Adapt size
if( !mxSdrPage )
return;
SetMapMode(MapMode(MapUnit::Map100thMM));
OutputDevice* pOD = pView->GetFirstOutputDevice(); // GetWin( 0 );
tools::Rectangle aRect = mxSdrPage->GetAllObjBoundRect();
MapMode aMapMode = GetMapMode();
aMapMode.SetMapUnit( pOD->GetMapMode().GetMapUnit() );
SetMapMode( aMapMode );
MapMode aDisplayMap( aMapMode );
Point aNewPos;
Size aNewSize;
const Size aWinSize = GetDrawingArea()->get_ref_device().PixelToLogic(GetOutputSizePixel(), aDisplayMap);
const tools::Long nWidth = aWinSize.Width();
const tools::Long nHeight = aWinSize.Height();
if (aRect.GetHeight() == 0)
return;
double fRectWH = static_cast<double>(aRect.GetWidth()) / aRect.GetHeight();
if (nHeight == 0)
return;
double fWinWH = static_cast<double>(nWidth) / nHeight;
// Adapt bitmap to Thumb size (not here!)
if ( fRectWH < fWinWH)
{
aNewSize.setWidth( static_cast<tools::Long>( static_cast<double>(nHeight) * fRectWH ) );
aNewSize.setHeight( nHeight );
}
else
{
aNewSize.setWidth( nWidth );
aNewSize.setHeight( static_cast<tools::Long>( static_cast<double>(nWidth) / fRectWH ) );
}
Fraction aFrac1( aWinSize.Width(), aRect.GetWidth() );
Fraction aFrac2( aWinSize.Height(), aRect.GetHeight() );
Fraction aMinFrac( aFrac1 <= aFrac2 ? aFrac1 : aFrac2 );
// Implement MapMode
aDisplayMap.SetScaleX( aMinFrac );
aDisplayMap.SetScaleY( aMinFrac );
// Centering
aNewPos.setX( ( nWidth - aNewSize.Width() ) >> 1 );
aNewPos.setY( ( nHeight - aNewSize.Height() ) >> 1 );
aDisplayMap.SetOrigin(OutputDevice::LogicToLogic(aNewPos, aMapMode, aDisplayMap));
SetMapMode( aDisplayMap );
// Origin
aNewPos = aDisplayMap.GetOrigin();
aNewPos -= Point( aRect.Left(), aRect.Top() );
aDisplayMap.SetOrigin( aNewPos );
SetMapMode( aDisplayMap );
MouseEvent aMEvt( Point(), 1, MouseEventModifiers::NONE, MOUSE_RIGHT );
MouseButtonDown( aMEvt );
}
void SvxXConnectionPreview::Construct()
{
assert(pView && "No valid view is passed on!");
const SdrMarkList& rMarkList = pView->GetMarkedObjectList();
const size_t nMarkCount = rMarkList.GetMarkCount();
if( nMarkCount >= 1 )
{
bool bFound = false;
for( size_t i = 0; i < nMarkCount && !bFound; ++i )
{
const SdrObject* pObj = rMarkList.GetMark( i )->GetMarkedSdrObj();
SdrInventor nInv = pObj->GetObjInventor();
SdrObjKind nId = pObj->GetObjIdentifier();
if( nInv == SdrInventor::Default && nId == SdrObjKind::Edge )
{
bFound = true;
// potential memory leak here (!). Create SdrObjList only when there is
// not yet one.
if(!mxSdrPage)
{
mxSdrPage = new SdrPage(
pView->getSdrModelFromSdrView(),
false);
}
const SdrEdgeObj* pTmpEdgeObj = static_cast<const SdrEdgeObj*>(pObj);
pEdgeObj = SdrObject::Clone(*pTmpEdgeObj, mxSdrPage->getSdrModelFromSdrPage());
SdrObjConnection& rConn1 = pEdgeObj->GetConnection( true );
SdrObjConnection& rConn2 = pEdgeObj->GetConnection( false );
rConn1 = pTmpEdgeObj->GetConnection( true );
rConn2 = pTmpEdgeObj->GetConnection( false );
SdrObject* pTmpObj1 = pTmpEdgeObj->GetConnectedNode( true );
SdrObject* pTmpObj2 = pTmpEdgeObj->GetConnectedNode( false );
if( pTmpObj1 )
{
rtl::Reference<SdrObject> pObj1 = pTmpObj1->CloneSdrObject(mxSdrPage->getSdrModelFromSdrPage());
mxSdrPage->InsertObject( pObj1.get() );
pEdgeObj->ConnectToNode( true, pObj1.get() );
}
if( pTmpObj2 )
{
rtl::Reference<SdrObject> pObj2 = pTmpObj2->CloneSdrObject(mxSdrPage->getSdrModelFromSdrPage());
mxSdrPage->InsertObject( pObj2.get() );
pEdgeObj->ConnectToNode( false, pObj2.get() );
}
mxSdrPage->InsertObject( pEdgeObj.get() );
}
}
}
if( !pEdgeObj )
{
pEdgeObj = new SdrEdgeObj(pView->getSdrModelFromSdrView());
}
AdaptSize();
}
void SvxXConnectionPreview::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle&)
{
rRenderContext.Push(vcl::PushFlags::ALL);
rRenderContext.SetMapMode(GetMapMode());
const StyleSettings& rStyles = Application::GetSettings().GetStyleSettings();
rRenderContext.SetDrawMode(rStyles.GetHighContrastMode() ? OUTPUT_DRAWMODE_CONTRAST : OUTPUT_DRAWMODE_COLOR);
rRenderContext.SetBackground(Wallpaper(rStyles.GetFieldColor()));
if (mxSdrPage)
{
// This will not work anymore. To not start at Adam and Eve, i will
// ATM not try to change all this stuff to really using an own model
// and a view. I will just try to provide a mechanism to paint such
// objects without own model and without a page/view with the new
// mechanism.
// New stuff: Use an ObjectContactOfObjListPainter.
sdr::contact::SdrObjectVector aObjectVector;
aObjectVector.reserve(mxSdrPage->GetObjCount());
for (const rtl::Reference<SdrObject>& pObject : *mxSdrPage)
aObjectVector.push_back(pObject.get());
sdr::contact::ObjectContactOfObjListPainter aPainter(rRenderContext, std::move(aObjectVector), nullptr);
sdr::contact::DisplayInfo aDisplayInfo;
// do processing
aPainter.ProcessDisplay(aDisplayInfo);
}
rRenderContext.Pop();
}
void SvxXConnectionPreview::SetAttributes( const SfxItemSet& rInAttrs )
{
pEdgeObj->SetMergedItemSetAndBroadcast(rInAttrs);
Invalidate();
}
// Get number of lines which are offset based on the preview object
sal_uInt16 SvxXConnectionPreview::GetLineDeltaCount() const
{
const SfxItemSet& rSet = pEdgeObj->GetMergedItemSet();
sal_uInt16 nCount(0);
if(SfxItemState::INVALID != rSet.GetItemState(SDRATTR_EDGELINEDELTACOUNT))
nCount = rSet.Get(SDRATTR_EDGELINEDELTACOUNT).GetValue();
return nCount;
}
bool SvxXConnectionPreview::MouseButtonDown( const MouseEvent& rMEvt )
{
bool bZoomIn = rMEvt.IsLeft() && !rMEvt.IsShift();
bool bZoomOut = rMEvt.IsRight() || rMEvt.IsShift();
bool bCtrl = rMEvt.IsMod1();
if( bZoomIn || bZoomOut )
{
MapMode aMapMode = GetMapMode();
Fraction aXFrac = aMapMode.GetScaleX();
Fraction aYFrac = aMapMode.GetScaleY();
std::unique_ptr<Fraction> pMultFrac;
if( bZoomIn )
{
if( bCtrl )
pMultFrac.reset(new Fraction( 3, 2 ));
else
pMultFrac.reset(new Fraction( 11, 10 ));
}
else
{
if( bCtrl )
pMultFrac.reset(new Fraction( 2, 3 ));
else
pMultFrac.reset(new Fraction( 10, 11 ));
}
aXFrac *= *pMultFrac;
aYFrac *= *pMultFrac;
if( static_cast<double>(aXFrac) > 0.001 && static_cast<double>(aXFrac) < 1000.0 &&
static_cast<double>(aYFrac) > 0.001 && static_cast<double>(aYFrac) < 1000.0 )
{
aMapMode.SetScaleX( aXFrac );
aMapMode.SetScaleY( aYFrac );
SetMapMode( aMapMode );
Size aOutSize(GetOutputSizePixel());
aOutSize = GetDrawingArea()->get_ref_device().PixelToLogic(aOutSize);
Point aPt( aMapMode.GetOrigin() );
tools::Long nX = static_cast<tools::Long>( ( static_cast<double>(aOutSize.Width()) - ( static_cast<double>(aOutSize.Width()) * static_cast<double>(*pMultFrac) ) ) / 2.0 + 0.5 );
tools::Long nY = static_cast<tools::Long>( ( static_cast<double>(aOutSize.Height()) - ( static_cast<double>(aOutSize.Height()) * static_cast<double>(*pMultFrac) ) ) / 2.0 + 0.5 );
aPt.AdjustX(nX );
aPt.AdjustY(nY );
aMapMode.SetOrigin( aPt );
SetMapMode( aMapMode );
Invalidate();
}
}
return true;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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