sd/source/ui/sidebar/PreviewValueSet.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 "PreviewValueSet.hxx"
  21 #include <vcl/event.hxx>
  22 #include <vcl/image.hxx>
  23
  24 namespace sd { namespace sidebar {
  25
  26 static const int gnBorderWidth(3);
  27 static const int gnBorderHeight(3);
  28
  29 PreviewValueSet::PreviewValueSet (vcl::Window* pParent)
  30     : ValueSet (pParent, WB_TABSTOP),
  31       maPreviewSize(10,10)
  32 {
  33     SetStyle (
  34         GetStyle()
  35         & ~(WB_ITEMBORDER)// | WB_MENUSTYLEVALUESET)
  36         //        | WB_FLATVALUESET);
  37         );
  38     SetColCount(2);
  39     SetExtraSpacing (2);
  40 }
  41
  42 PreviewValueSet::~PreviewValueSet()
  43 {
  44 }
  45
  46 void PreviewValueSet::SetPreviewSize (const Size& rSize)
  47 {
  48     maPreviewSize = rSize;
  49 }
  50
  51 void PreviewValueSet::SetRightMouseClickHandler (const Link<const MouseEvent&,void>& rLink)
  52 {
  53     maRightMouseClickHandler = rLink;
  54 }
  55
  56 void PreviewValueSet::MouseButtonDown (const MouseEvent& rEvent)
  57 {
  58     if (rEvent.IsRight())
  59         maRightMouseClickHandler.Call(rEvent);
  60     else
  61         ValueSet::MouseButtonDown(rEvent);
  62
  63 }
  64
  65 void PreviewValueSet::Resize()
  66 {
  67     ValueSet::Resize ();
  68
  69     Size aWindowSize (GetOutputSizePixel());
  70     if (aWindowSize.Width()>0 && aWindowSize.Height()>0)
  71     {
  72         Rearrange();
  73     }
  74 }
  75
  76 void PreviewValueSet::Rearrange()
  77 {
  78     sal_uInt16 nNewColumnCount (CalculateColumnCount (
  79         GetOutputSizePixel().Width()));
  80     sal_uInt16 nNewRowCount (CalculateRowCount (nNewColumnCount));
  81
  82     SetFormat();
  83     SetColCount(nNewColumnCount);
  84     SetLineCount(nNewRowCount);
  85 }
  86
  87 sal_uInt16 PreviewValueSet::CalculateColumnCount (int nWidth) const
  88 {
  89     int nColumnCount = 0;
  90     if (nWidth > 0)
  91     {
  92         nColumnCount = nWidth / (maPreviewSize.Width() + 2*gnBorderWidth);
  93         if (nColumnCount < 1)
  94             nColumnCount = 1;
  95     }
  96     return static_cast<sal_uInt16>(nColumnCount);
  97 }
  98
  99 sal_uInt16 PreviewValueSet::CalculateRowCount (sal_uInt16 nColumnCount) const
 100 {
 101     int nRowCount = 0;
 102     int nItemCount = GetItemCount();
 103     if (nColumnCount > 0)
 104     {
 105         nRowCount = (nItemCount+nColumnCount-1) / nColumnCount;
 106         if (nRowCount < 1)
 107             nRowCount = 1;
 108     }
 109
 110     return static_cast<sal_uInt16>(nRowCount);
 111 }
 112
 113 sal_Int32 PreviewValueSet::GetPreferredHeight (sal_Int32 nWidth)
 114 {
 115     int nRowCount (CalculateRowCount(CalculateColumnCount(nWidth)));
 116     int nItemHeight (maPreviewSize.Height());
 117
 118     return nRowCount * (nItemHeight + 2*gnBorderHeight);
 119 }
 120
 121 } } // end of namespace sd::sidebar
 122
 123 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */