svx/source/dialog/measctrl.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <sfx2/dialoghelper.hxx>
  21 #include <svx/svdomeas.hxx>
  22 #include <svx/svdmodel.hxx>
  23 #include "svx/measctrl.hxx"
  24 #include <svx/dialmgr.hxx>
  25 #include "svx/dlgutil.hxx"
  26 #include <vcl/builderfactory.hxx>
  27 #include <vcl/settings.hxx>
  28 #include <boost/scoped_ptr.hpp>
  29
  30 SvxXMeasurePreview::SvxXMeasurePreview(vcl::Window* pParent, WinBits nStyle)
  31     : Control(pParent, nStyle)
  32 {
  33     SetMapMode(MAP_100TH_MM);
  34
  35     // Scale: 1:2
  36     MapMode aMapMode = GetMapMode();
  37     aMapMode.SetScaleX(Fraction(1, 2));
  38     aMapMode.SetScaleY(Fraction(1, 2));
  39     SetMapMode(aMapMode);
  40
  41     Size aSize = GetOutputSize();
  42     Point aPt1 = Point(aSize.Width() / 5, (long) (aSize.Height() / 2));
  43     Point aPt2 = Point(aSize.Width() * 4 / 5, (long) (aSize.Height() / 2));
  44
  45     pMeasureObj = new SdrMeasureObj(aPt1, aPt2);
  46     pModel = new SdrModel();
  47     pMeasureObj->SetModel(pModel);
  48
  49     bool bHighContrast = GetSettings().GetStyleSettings().GetHighContrastMode();
  50     SetDrawMode(bHighContrast ? OUTPUT_DRAWMODE_CONTRAST : OUTPUT_DRAWMODE_COLOR);
  51
  52     Invalidate();
  53 }
  54
  55 void SvxXMeasurePreview::Resize()
  56 {
  57     Control::Resize();
  58
  59     Size aSize = GetOutputSize();
  60     Point aPt1 = Point(aSize.Width() / 5, (long) (aSize.Height() / 2));
  61     pMeasureObj->SetPoint(aPt1, 0);
  62     Point aPt2 = Point(aSize.Width() * 4 / 5, (long) (aSize.Height() / 2));
  63     pMeasureObj->SetPoint(aPt2, 1);
  64 }
  65
  66 VCL_BUILDER_DECL_FACTORY(SvxXMeasurePreview)
  67 {
  68     WinBits nWinStyle = 0;
  69     OString sBorder = VclBuilder::extractCustomProperty(rMap);
  70     if (!sBorder.isEmpty())
  71         nWinStyle |= WB_BORDER;
  72     rRet = VclPtr<SvxXMeasurePreview>::Create(pParent, nWinStyle);
  73 }
  74
  75 Size SvxXMeasurePreview::GetOptimalSize() const
  76 {
  77     return getPreviewStripSize(this);
  78 }
  79
  80 SvxXMeasurePreview::~SvxXMeasurePreview()
  81 {
  82     disposeOnce();
  83 }
  84
  85 void SvxXMeasurePreview::dispose()
  86 {
  87     // No one is deleting the MeasureObj? This is not only an error but also
  88     // a memory leak (!). Main problem is that this object is still listening to
  89     // a StyleSheet of the model which was set. Thus, if You want to keep the obnject,
  90     // set the modfel to 0L, if object is not needed (seems to be the case here),
  91     // delete it.
  92     delete pMeasureObj;
  93
  94     delete pModel;
  95     Control::dispose();
  96 }
  97
  98 void SvxXMeasurePreview::Paint(vcl::RenderContext& rRenderContext, const Rectangle&)
  99 {
 100     pMeasureObj->SingleObjectPainter(rRenderContext);
 101 }
 102
 103 void SvxXMeasurePreview::SetAttributes(const SfxItemSet& rInAttrs)
 104 {
 105     pMeasureObj->SetMergedItemSetAndBroadcast(rInAttrs);
 106
 107     Invalidate();
 108 }
 109
 110 void SvxXMeasurePreview::MouseButtonDown(const MouseEvent& rMEvt)
 111 {
 112     bool bZoomIn  = rMEvt.IsLeft() && !rMEvt.IsShift();
 113     bool bZoomOut = rMEvt.IsRight() || rMEvt.IsShift();
 114     bool bCtrl    = rMEvt.IsMod1();
 115
 116     if (bZoomIn || bZoomOut)
 117     {
 118         MapMode aMapMode = GetMapMode();
 119         Fraction aXFrac = aMapMode.GetScaleX();
 120         Fraction aYFrac = aMapMode.GetScaleY();
 121         boost::scoped_ptr<Fraction> pMultFrac;
 122
 123         if (bZoomIn)
 124         {
 125             if (bCtrl)
 126                 pMultFrac.reset(new Fraction(3, 2));
 127             else
 128                 pMultFrac.reset(new Fraction(11, 10));
 129         }
 130         else
 131         {
 132             if (bCtrl)
 133                 pMultFrac.reset(new Fraction(2, 3));
 134             else
 135                 pMultFrac.reset(new Fraction(10, 11));
 136         }
 137
 138         aXFrac *= *pMultFrac;
 139         aYFrac *= *pMultFrac;
 140
 141         if (double(aXFrac) > 0.001 && double(aXFrac) < 1000.0 &&
 142             double(aYFrac) > 0.001 && double(aYFrac) < 1000.0)
 143         {
 144             aMapMode.SetScaleX(aXFrac);
 145             aMapMode.SetScaleY(aYFrac);
 146             SetMapMode(aMapMode);
 147
 148             Size aOutSize(GetOutputSize());
 149
 150             Point aPt(aMapMode.GetOrigin());
 151             long nX = long((double(aOutSize.Width()) - (double(aOutSize.Width()) * double(*pMultFrac))) / 2.0 + 0.5);
 152             long nY = long((double(aOutSize.Height()) - (double(aOutSize.Height()) * double(*pMultFrac))) / 2.0 + 0.5);
 153             aPt.X() += nX;
 154             aPt.Y() += nY;
 155
 156             aMapMode.SetOrigin(aPt);
 157             SetMapMode(aMapMode);
 158
 159             Invalidate();
 160         }
 161     }
 162 }
 163
 164 void SvxXMeasurePreview::DataChanged( const DataChangedEvent& rDCEvt )
 165 {
 166     Control::DataChanged( rDCEvt );
 167
 168     if ((rDCEvt.GetType() == DataChangedEventType::SETTINGS) && (rDCEvt.GetFlags() & AllSettingsFlags::STYLE))
 169     {
 170         bool bHighContrast = GetSettings().GetStyleSettings().GetHighContrastMode();
 171         SetDrawMode(bHighContrast ? OUTPUT_DRAWMODE_CONTRAST : OUTPUT_DRAWMODE_COLOR);
 172     }
 173 }
 174
 175 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */