svx/source/dialog/paraprev.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/paraprev.hxx>
  22 #include <vcl/outdev.hxx>
  23 #include <vcl/settings.hxx>
  24
  25 SvxParaPrevWindow::SvxParaPrevWindow() :
  26     nLeftMargin     ( 0 ),
  27     nRightMargin    ( 0 ),
  28     nFirstLineOffset  ( 0 ),
  29     nUpper          ( 0 ),
  30     nLower          ( 0 ),
  31     eAdjust         ( SvxAdjust::Left ),
  32     eLastLine       ( SvxAdjust::Left ),
  33     eLine           ( SvxPrevLineSpace::N1 )
  34 {
  35     aSize = Size(11905, 16837);
  36 }
  37
  38 void SvxParaPrevWindow::SetDrawingArea(weld::DrawingArea* pDrawingArea)
  39 {
  40     CustomWidgetController::SetDrawingArea(pDrawingArea);
  41     Size aOptimalSize(getParagraphPreviewOptimalSize(pDrawingArea->get_ref_device()));
  42     pDrawingArea->set_size_request(aOptimalSize.Width(), aOptimalSize.Height());
  43 }
  44
  45 void SvxParaPrevWindow::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle&)
  46 {
  47     DrawParagraph(rRenderContext);
  48 }
  49
  50 #define DEF_MARGIN  120
  51
  52 void SvxParaPrevWindow::DrawParagraph(vcl::RenderContext& rRenderContext)
  53 {
  54     // Count in Twips by default
  55     rRenderContext.Push(vcl::PushFlags::MAPMODE);
  56     rRenderContext.SetMapMode(MapMode(MapUnit::MapTwip));
  57
  58     Size aWinSize(GetOutputSizePixel());
  59     aWinSize = rRenderContext.PixelToLogic(aWinSize);
  60     Size aTmp(1, 1);
  61     aTmp = rRenderContext.PixelToLogic(aTmp);
  62     aWinSize.AdjustWidth( -(aTmp.Width() /2) );
  63     aWinSize.AdjustHeight( -(aTmp.Height() /2) );
  64
  65     const StyleSettings& rStyleSettings = rRenderContext.GetSettings().GetStyleSettings();
  66     const Color& rWinColor = rStyleSettings.GetWindowColor();
  67     Color aGrayColor(COL_LIGHTGRAY);
  68
  69     rRenderContext.SetFillColor(rWinColor);
  70     rRenderContext.DrawRect(tools::Rectangle(Point(), aWinSize));
  71
  72     rRenderContext.SetLineColor();
  73
  74     tools::Long nH = aWinSize.Height() / 19;
  75     Size aLineSiz(aWinSize.Width() - DEF_MARGIN, nH);
  76     Size aSiz = aLineSiz;
  77     Point aPnt;
  78     aPnt.setX( DEF_MARGIN / 2 );
  79     rRenderContext.SetFillColor(aGrayColor);
  80
  81     for (sal_uInt16 i = 0; i < 9; ++i)
  82     {
  83         if (i == 3)
  84         {
  85             rRenderContext.SetFillColor(COL_GRAY);
  86             auto nTop = nUpper * aLineSiz.Height() / aSize.Height();
  87             aPnt.AdjustY(nTop * 2 );
  88         }
  89
  90         if (i == 6 )
  91             rRenderContext.SetFillColor(aGrayColor);
  92
  93         if (3 <= i && 6 > i)
  94         {
  95             tools::Long nLeft = nLeftMargin * aLineSiz.Width() / aSize.Width();
  96             tools::Long nFirst = nFirstLineOffset * aLineSiz.Width() / aSize.Width();
  97             tools::Long nTmp = nLeft + nFirst;
  98
  99             if (i == 3)
 100             {
 101                 aPnt.AdjustX(nTmp );
 102                 aSiz.AdjustWidth( -nTmp );
 103             }
 104             else
 105             {
 106                 aPnt.AdjustX(nLeft );
 107                 aSiz.AdjustWidth( -nLeft );
 108             }
 109             tools::Long nRight = nRightMargin * aLineSiz.Width() / aSize.Width();
 110             aSiz.AdjustWidth( -nRight );
 111         }
 112
 113         if (4 == i || 5 == i || 6 == i)
 114         {
 115             switch (eLine)
 116             {
 117                 case SvxPrevLineSpace::N1:
 118                     break;
 119                 case SvxPrevLineSpace::N115:
 120                     aPnt.AdjustY(nH / 6.67 ); // 1/.15 = 6.(6)
 121                     break;
 122                 case SvxPrevLineSpace::N15:
 123                     aPnt.AdjustY(nH / 2 );
 124                     break;
 125                 case SvxPrevLineSpace::N2:
 126                     aPnt.AdjustY(nH );
 127                     break;
 128                 case SvxPrevLineSpace::Prop:
 129                 case SvxPrevLineSpace::Min:
 130                 case SvxPrevLineSpace::Leading:
 131                     break;
 132             }
 133         }
 134
 135         aPnt.AdjustY(nH );
 136
 137         if (3 <= i && 5 >= i)
 138         {
 139             tools::Long nLW = tools::Long();
 140             switch (i)
 141             {
 142                 case 3:
 143                     nLW = aLineSiz.Width() * 8 / 10;
 144                     break;
 145                 case 4:
 146                     nLW = aLineSiz.Width() * 9 / 10;
 147                     break;
 148                 case 5:
 149                     nLW = aLineSiz.Width() / 2;
 150                     break;
 151             }
 152
 153             if (nLW > aSiz.Width())
 154                 nLW = aSiz.Width();
 155
 156             switch (eAdjust)
 157             {
 158                 case SvxAdjust::Left:
 159                     break;
 160                 case SvxAdjust::Right:
 161                     aPnt.AdjustX( aSiz.Width() - nLW );
 162                     break;
 163                 case SvxAdjust::Center:
 164                     aPnt.AdjustX(( aSiz.Width() - nLW ) / 2 );
 165                     break;
 166                 default: ; //prevent warning
 167             }
 168             if (SvxAdjust::Block == eAdjust)
 169             {
 170                 if(5 == i)
 171                 {
 172                     switch( eLastLine )
 173                     {
 174                         case SvxAdjust::Left:
 175                             break;
 176                         case SvxAdjust::Right:
 177                             aPnt.AdjustX( aSiz.Width() - nLW );
 178                             break;
 179                         case SvxAdjust::Center:
 180                             aPnt.AdjustX(( aSiz.Width() - nLW ) / 2 );
 181                             break;
 182                         case SvxAdjust::Block:
 183                             nLW = aSiz.Width();
 184                             break;
 185                         default: ; //prevent warning
 186                     }
 187                 }
 188                 else
 189                     nLW = aSiz.Width();
 190             }
 191             aSiz.setWidth( nLW );
 192         }
 193
 194         tools::Rectangle aRect(aPnt, aSiz);
 195
 196         rRenderContext.DrawRect( aRect );
 197
 198         if (5 == i)
 199         {
 200             auto nBottom = nLower * aLineSiz.Height() / aSize.Height();
 201             aPnt.AdjustY(nBottom * 2 );
 202         }
 203
 204         aPnt.AdjustY(nH );
 205         // Reset, recalculate for each line
 206         aPnt.setX( DEF_MARGIN / 2 );
 207         aSiz = aLineSiz;
 208     }
 209     rRenderContext.Pop();
 210 }
 211
 212 #undef DEF_MARGIN
 213
 214 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */