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/builder.hxx>
  27 #include <vcl/settings.hxx>
  28
  29 SvxXMeasurePreview::SvxXMeasurePreview( Window* pParent, WinBits nStyle)
  30     : Control(pParent, nStyle)
  31 {
  32     SetMapMode( MAP_100TH_MM );
  33
  34     // Scale: 1:2
  35     MapMode aMapMode = GetMapMode();
  36     aMapMode.SetScaleX( Fraction( 1, 2 ) );
  37     aMapMode.SetScaleY( Fraction( 1, 2 ) );
  38     SetMapMode( aMapMode );
  39
  40     Size aSize = GetOutputSize();
  41     Point aPt1 = Point( aSize.Width() / 5, (long) ( aSize.Height() / 2 ) );
  42     Point aPt2 = Point( aSize.Width() * 4 / 5, (long) ( aSize.Height() / 2 ) );
  43
  44     pMeasureObj = new SdrMeasureObj( aPt1, aPt2 );
  45     pModel = new SdrModel();
  46     pMeasureObj->SetModel( pModel );
  47
  48     SetDrawMode( GetSettings().GetStyleSettings().GetHighContrastMode() ? OUTPUT_DRAWMODE_CONTRAST : OUTPUT_DRAWMODE_COLOR );
  49
  50     Invalidate();
  51 }
  52
  53 void SvxXMeasurePreview::Resize()
  54 {
  55     Control::Resize();
  56
  57     Size aSize = GetOutputSize();
  58     Point aPt1 = Point( aSize.Width() / 5, (long) ( aSize.Height() / 2 ) );
  59     pMeasureObj->SetPoint(aPt1, 0);
  60     Point aPt2 = Point( aSize.Width() * 4 / 5, (long) ( aSize.Height() / 2 ) );
  61     pMeasureObj->SetPoint(aPt2, 1);
  62 }
  63
  64 extern "C" SAL_DLLPUBLIC_EXPORT Window* SAL_CALL makeSvxXMeasurePreview(Window *pParent, VclBuilder::stringmap &rMap)
  65 {
  66     WinBits nWinStyle = 0;
  67     OString sBorder = VclBuilder::extractCustomProperty(rMap);
  68     if (!sBorder.isEmpty())
  69         nWinStyle |= WB_BORDER;
  70     return new SvxXMeasurePreview(pParent, nWinStyle);
  71 }
  72
  73 Size SvxXMeasurePreview::GetOptimalSize() const
  74 {
  75     return getPreviewStripSize(this);
  76 }
  77
  78 SvxXMeasurePreview::~SvxXMeasurePreview()
  79 {
  80     // No one is deleting the MeasureObj? This is not only an error but also
  81     // a memory leak (!). Main problem is that this object is still listening to
  82     // a StyleSheet of the model which was set. Thus, if You want to keep the obnject,
  83     // set the modfel to 0L, if object is not needed (seems to be the case here),
  84     // delete it.
  85     delete pMeasureObj;
  86
  87     delete pModel;
  88 }
  89
  90 void SvxXMeasurePreview::Paint( const Rectangle&  )
  91 {
  92     pMeasureObj->SingleObjectPainter(*this);
  93 }
  94
  95 void SvxXMeasurePreview::SetAttributes( const SfxItemSet& rInAttrs )
  96 {
  97     pMeasureObj->SetMergedItemSetAndBroadcast(rInAttrs);
  98
  99     Invalidate();
 100 }
 101
 102 void SvxXMeasurePreview::MouseButtonDown( const MouseEvent& rMEvt )
 103 {
 104     bool bZoomIn  = rMEvt.IsLeft() && !rMEvt.IsShift();
 105     bool bZoomOut = rMEvt.IsRight() || rMEvt.IsShift();
 106     bool bCtrl    = rMEvt.IsMod1();
 107
 108     if( bZoomIn || bZoomOut )
 109     {
 110         MapMode aMapMode = GetMapMode();
 111         Fraction aXFrac = aMapMode.GetScaleX();
 112         Fraction aYFrac = aMapMode.GetScaleY();
 113         Fraction* pMultFrac;
 114
 115         if( bZoomIn )
 116         {
 117             if( bCtrl )
 118                 pMultFrac = new Fraction( 3, 2 );
 119             else
 120                 pMultFrac = new Fraction( 11, 10 );
 121         }
 122         else
 123         {
 124             if( bCtrl )
 125                 pMultFrac = new Fraction( 2, 3 );
 126             else
 127                 pMultFrac = new Fraction( 10, 11 );
 128         }
 129
 130         aXFrac *= *pMultFrac;
 131         aYFrac *= *pMultFrac;
 132         if( (double)aXFrac > 0.001 && (double)aXFrac < 1000.0 &&
 133             (double)aYFrac > 0.001 && (double)aYFrac < 1000.0 )
 134         {
 135             aMapMode.SetScaleX( aXFrac );
 136             aMapMode.SetScaleY( aYFrac );
 137             SetMapMode( aMapMode );
 138
 139             Size aOutSize( GetOutputSize() );
 140
 141             Point aPt( aMapMode.GetOrigin() );
 142             long nX = (long)( ( (double)aOutSize.Width() - ( (double)aOutSize.Width() * (double)*pMultFrac  ) ) / 2.0 + 0.5 );
 143             long nY = (long)( ( (double)aOutSize.Height() - ( (double)aOutSize.Height() * (double)*pMultFrac  ) ) / 2.0 + 0.5 );
 144             aPt.X() +=  nX;
 145             aPt.Y() +=  nY;
 146
 147             aMapMode.SetOrigin( aPt );
 148             SetMapMode( aMapMode );
 149
 150             Invalidate();
 151         }
 152         delete pMultFrac;
 153     }
 154 }
 155
 156
 157
 158 void SvxXMeasurePreview::DataChanged( const DataChangedEvent& rDCEvt )
 159 {
 160     Control::DataChanged( rDCEvt );
 161
 162     if ( (rDCEvt.GetType() == DATACHANGED_SETTINGS) && (rDCEvt.GetFlags() & SETTINGS_STYLE) )
 163     {
 164         SetDrawMode( GetSettings().GetStyleSettings().GetHighContrastMode() ? OUTPUT_DRAWMODE_CONTRAST : OUTPUT_DRAWMODE_COLOR );
 165     }
 166 }
 167
 168 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */