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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 <sfx2/dialoghelper.hxx>
#include <svx/svdomeas.hxx>
#include <svx/svdmodel.hxx>
#include <svx/measctrl.hxx>
#include <svx/dlgutil.hxx>
#include <vcl/builderfactory.hxx>
#include <vcl/settings.hxx>
#include <memory>
SvxXMeasurePreview::SvxXMeasurePreview(vcl::Window* pParent, WinBits nStyle)
: Control(pParent, nStyle)
{
SetMapMode(MapMode(MapUnit::Map100thMM));
// Scale: 1:2
MapMode aMapMode = GetMapMode();
aMapMode.SetScaleX(Fraction(1, 2));
aMapMode.SetScaleY(Fraction(1, 2));
SetMapMode(aMapMode);
Size aSize = GetOutputSize();
Point aPt1 = Point(aSize.Width() / 5, static_cast<long>(aSize.Height() / 2));
Point aPt2 = Point(aSize.Width() * 4 / 5, static_cast<long>(aSize.Height() / 2));
pModel = new SdrModel();
pMeasureObj = new SdrMeasureObj(
*pModel,
aPt1,
aPt2);
bool bHighContrast = GetSettings().GetStyleSettings().GetHighContrastMode();
SetDrawMode(bHighContrast ? OUTPUT_DRAWMODE_CONTRAST : OUTPUT_DRAWMODE_COLOR);
Invalidate();
}
void SvxXMeasurePreview::Resize()
{
Control::Resize();
Size aSize = GetOutputSize();
Point aPt1 = Point(aSize.Width() / 5, static_cast<long>(aSize.Height() / 2));
pMeasureObj->SetPoint(aPt1, 0);
Point aPt2 = Point(aSize.Width() * 4 / 5, static_cast<long>(aSize.Height() / 2));
pMeasureObj->SetPoint(aPt2, 1);
}
VCL_BUILDER_FACTORY_CONSTRUCTOR(SvxXMeasurePreview, 0)
Size SvxXMeasurePreview::GetOptimalSize() const
{
return getPreviewStripSize(*this);
}
SvxXMeasurePreview::~SvxXMeasurePreview()
{
disposeOnce();
}
void SvxXMeasurePreview::dispose()
{
// No one is deleting the MeasureObj? This is not only an error but also
// a memory leak (!). Main problem is that this object is still listening to
// a StyleSheet of the model which was set. Thus, if You want to keep the object,
// set the model to 0L, if object is not needed (seems to be the case here),
// delete it.
// always use SdrObject::Free(...) for SdrObjects (!)
SdrObject* pTemp(pMeasureObj);
SdrObject::Free(pTemp);
delete pModel;
Control::dispose();
}
void SvxXMeasurePreview::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle&)
{
pMeasureObj->SingleObjectPainter(rRenderContext);
}
void SvxXMeasurePreview::SetAttributes(const SfxItemSet& rInAttrs)
{
pMeasureObj->SetMergedItemSetAndBroadcast(rInAttrs);
Invalidate();
}
void SvxXMeasurePreview::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 (double(aXFrac) > 0.001 && double(aXFrac) < 1000.0 &&
double(aYFrac) > 0.001 && double(aYFrac) < 1000.0)
{
aMapMode.SetScaleX(aXFrac);
aMapMode.SetScaleY(aYFrac);
SetMapMode(aMapMode);
Size aOutSize(GetOutputSize());
Point aPt(aMapMode.GetOrigin());
long nX = long((double(aOutSize.Width()) - (double(aOutSize.Width()) * double(*pMultFrac))) / 2.0 + 0.5);
long nY = long((double(aOutSize.Height()) - (double(aOutSize.Height()) * double(*pMultFrac))) / 2.0 + 0.5);
aPt.AdjustX(nX );
aPt.AdjustY(nY );
aMapMode.SetOrigin(aPt);
SetMapMode(aMapMode);
Invalidate();
}
}
}
void SvxXMeasurePreview::DataChanged( const DataChangedEvent& rDCEvt )
{
Control::DataChanged( rDCEvt );
if ((rDCEvt.GetType() == DataChangedEventType::SETTINGS) && (rDCEvt.GetFlags() & AllSettingsFlags::STYLE))
{
bool bHighContrast = GetSettings().GetStyleSettings().GetHighContrastMode();
SetDrawMode(bHighContrast ? OUTPUT_DRAWMODE_CONTRAST : OUTPUT_DRAWMODE_COLOR);
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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