vcl/source/treelist/iconview.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 <vcl/treelistentry.hxx>
  21 #include <vcl/viewdataentry.hxx>
  22 #include <iconview.hxx>
  23 #include "iconviewimpl.hxx"
  24
  25 IconView::IconView( vcl::Window* pParent, WinBits nBits )
  26     : SvTreeListBox( pParent, nBits )
  27 {
  28     nColumns = 1;
  29     mbCenterAndClipText = true;
  30     SetEntryHeight( 100 );
  31     SetEntryWidth( 100 );
  32
  33     pImpl.reset( new IconViewImpl( this, GetModel(), GetStyle() ) );
  34 }
  35
  36 void IconView::Resize()
  37 {
  38     Size aBoxSize = Control::GetParent()->GetOutputSizePixel();
  39
  40     if ( !aBoxSize.Width() )
  41         return;
  42
  43     SetSizePixel( aBoxSize );
  44
  45     nColumns = aBoxSize.Width() / nEntryWidth;
  46
  47     SvTreeListBox::Resize();
  48 }
  49
  50 tools::Rectangle IconView::GetFocusRect( SvTreeListEntry*, long nEntryPos )
  51 {
  52     Size aSize;
  53     aSize.setHeight( nEntryHeight );
  54     aSize.setWidth( nEntryWidth );
  55
  56     Point aPos;
  57     aPos.setX( 0 );
  58     aPos.setY( 0 );
  59
  60     tools::Rectangle aRect;
  61
  62     short nCols = GetColumnsCount();
  63
  64     if(nCols)
  65     {
  66         aPos.setY( ( nEntryPos / nCols ) * nEntryHeight );
  67         aPos.setX( ( nEntryPos % nCols ) * nEntryWidth );
  68     }
  69
  70     aRect.SetPos( aPos );
  71     aRect.SetSize( aSize );
  72
  73     return aRect;
  74 }
  75
  76 void IconView::PaintEntry(SvTreeListEntry& rEntry, long nX, long nY,
  77                             vcl::RenderContext& rRenderContext)
  78 {
  79
  80     tools::Rectangle aRect; // multi purpose
  81
  82     PreparePaint(rRenderContext, rEntry);
  83
  84     pImpl->UpdateContextBmpWidthMax(&rEntry);
  85
  86     short nTempEntryHeight = GetEntryHeight();
  87     short nTempEntryWidth = GetEntryWidth();
  88
  89     Point aEntryPos;
  90
  91     Color aBackupTextColor(rRenderContext.GetTextColor());
  92     vcl::Font aBackupFont(rRenderContext.GetFont());
  93     Color aBackupColor = rRenderContext.GetFillColor();
  94
  95     bool bCurFontIsSel = false;
  96     const WinBits nWindowStyle = GetStyle();
  97     const bool bHideSelection = (nWindowStyle & WB_HIDESELECTION) !=0 && !HasFocus();
  98     const StyleSettings& rSettings = rRenderContext.GetSettings().GetStyleSettings();
  99
 100     vcl::Font aHighlightFont(rRenderContext.GetFont());
 101     const Color aHighlightTextColor(rSettings.GetHighlightTextColor());
 102     aHighlightFont.SetColor(aHighlightTextColor);
 103
 104     Size aRectSize(nTempEntryWidth, nTempEntryHeight);
 105
 106     SvViewDataEntry* pViewDataEntry = GetViewDataEntry( &rEntry );
 107
 108     sal_uInt16 nItemCount = rEntry.ItemCount();
 109     sal_uInt16 nCurItem = 0;
 110     sal_uInt16 nIconItem = nItemCount;
 111
 112     while (nCurItem < nItemCount)
 113     {
 114         SvLBoxItem* pItem = nCurItem < nItemCount ? &rEntry.GetItem(nCurItem) : nullptr;
 115         SvLBoxItemType nItemType = pItem->GetType();
 116
 117         if (nItemType == SvLBoxItemType::ContextBmp)
 118         {
 119             nIconItem = nCurItem;
 120             nCurItem++;
 121             continue;
 122         }
 123
 124         auto nItemHeight = SvLBoxItem::GetHeight(pViewDataEntry, nCurItem);
 125
 126         aEntryPos.setX( nX );
 127         aEntryPos.setY( nY );
 128
 129         // set background pattern/color
 130
 131         Wallpaper aWallpaper = rRenderContext.GetBackground();
 132
 133         if (pViewDataEntry->IsHighlighted())
 134         {
 135             Color aNewWallColor = rSettings.GetHighlightColor();
 136             // if the face color is bright then the deactivate color is also bright
 137             // -> so you can't see any deactivate selection
 138             if (bHideSelection && !rSettings.GetFaceColor().IsBright()
 139                && aWallpaper.GetColor().IsBright() != rSettings.GetDeactiveColor().IsBright())
 140             {
 141                 aNewWallColor = rSettings.GetDeactiveColor();
 142             }
 143             // set font color to highlight
 144             if (!bCurFontIsSel)
 145             {
 146                 rRenderContext.SetTextColor(aHighlightTextColor);
 147                 rRenderContext.SetFont(aHighlightFont);
 148                 bCurFontIsSel = true;
 149             }
 150             aWallpaper.SetColor(aNewWallColor);
 151         }
 152         else  // no selection
 153         {
 154             if (bCurFontIsSel)
 155             {
 156                 bCurFontIsSel = false;
 157                 rRenderContext.SetTextColor(aBackupTextColor);
 158                 rRenderContext.SetFont(aBackupFont);
 159             }
 160             else
 161             {
 162                 aWallpaper.SetColor(rEntry.GetBackColor());
 163             }
 164         }
 165
 166         // draw background
 167         if (!(nTreeFlags & SvTreeFlags::USESEL))
 168         {
 169             aRect.SetPos(aEntryPos);
 170             aRect.SetSize(aRectSize);
 171
 172             Color aBackgroundColor = aWallpaper.GetColor();
 173             if (aBackgroundColor != COL_TRANSPARENT)
 174             {
 175                 rRenderContext.SetFillColor(aBackgroundColor);
 176                 // this case may occur for smaller horizontal resizes
 177                 if (aRect.Left() < aRect.Right())
 178                     rRenderContext.DrawRect(aRect);
 179             }
 180         }
 181
 182         // center vertically
 183         aEntryPos.AdjustY((nTempEntryHeight - nItemHeight) / 2 );
 184
 185         // draw item
 186         pViewDataEntry->SetPaintRectangle(aRect);
 187
 188         aEntryPos.AdjustY(15 );
 189
 190         pItem->Paint(aEntryPos, *this, rRenderContext, pViewDataEntry, rEntry);
 191
 192         rRenderContext.SetFillColor(aBackupColor);
 193
 194         nCurItem++;
 195     }
 196
 197     // draw icon
 198     if(nIconItem != nItemCount && nIconItem < nItemCount)
 199     {
 200         SvLBoxItem* pItem = &rEntry.GetItem(nIconItem);
 201         auto nItemWidth = pItem->GetWidth(this, pViewDataEntry, nIconItem);
 202         auto nItemHeight = SvLBoxItem::GetHeight(pViewDataEntry, nIconItem);
 203
 204         aEntryPos.setX( nX );
 205         aEntryPos.setY( nY );
 206
 207         // center horizontally
 208         aEntryPos.AdjustX((nTempEntryWidth - nItemWidth) / 2 );
 209         // center vertically
 210         aEntryPos.AdjustY((nTempEntryHeight - nItemHeight) / 2 );
 211
 212         aEntryPos.AdjustY( -10 );
 213
 214         pItem->Paint(aEntryPos, *this, rRenderContext, pViewDataEntry, rEntry);
 215     }
 216
 217     if (bCurFontIsSel)
 218     {
 219         rRenderContext.SetTextColor(aBackupTextColor);
 220         rRenderContext.SetFont(aBackupFont);
 221     }
 222 }
 223
 224 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */