vcl/source/toolkit/group.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/event.hxx>
  21 #include <vcl/toolkit/group.hxx>
  22 #include <vcl/settings.hxx>
  23
  24 #define GROUP_BORDER            12
  25 #define GROUP_TEXT_BORDER       2
  26
  27 #define GROUP_VIEW_STYLE        (WB_3DLOOK | WB_NOLABEL)
  28
  29 void GroupBox::ImplInit( vcl::Window* pParent, WinBits nStyle )
  30 {
  31     nStyle = ImplInitStyle( nStyle );
  32     Control::ImplInit( pParent, nStyle, nullptr );
  33     SetMouseTransparent( true );
  34     ImplInitSettings( true );
  35 }
  36
  37 WinBits GroupBox::ImplInitStyle( WinBits nStyle )
  38 {
  39     if ( !(nStyle & WB_NOGROUP) )
  40         nStyle |= WB_GROUP;
  41     return nStyle;
  42 }
  43
  44 const vcl::Font& GroupBox::GetCanonicalFont( const StyleSettings& _rStyle ) const
  45 {
  46     return _rStyle.GetGroupFont();
  47 }
  48
  49 const Color& GroupBox::GetCanonicalTextColor( const StyleSettings& _rStyle ) const
  50 {
  51     return _rStyle.GetGroupTextColor();
  52 }
  53
  54 void GroupBox::ImplInitSettings( bool bBackground )
  55 {
  56     Control::ImplInitSettings();
  57
  58     if ( !bBackground )
  59         return;
  60
  61     vcl::Window* pParent = GetParent();
  62     if (pParent->IsChildTransparentModeEnabled() ||
  63         !(pParent->GetStyle() & WB_CLIPCHILDREN) ||
  64         !IsControlBackground())
  65     {
  66         EnableChildTransparentMode();
  67         SetParentClipMode( ParentClipMode::NoClip );
  68         SetPaintTransparent( true );
  69         SetBackground();
  70     }
  71     else
  72     {
  73         EnableChildTransparentMode( false );
  74         SetParentClipMode();
  75         SetPaintTransparent( false );
  76
  77         if ( IsControlBackground() )
  78             SetBackground( GetControlBackground() );
  79         else
  80             SetBackground( pParent->GetBackground() );
  81     }
  82 }
  83
  84 GroupBox::GroupBox( vcl::Window* pParent, WinBits nStyle ) :
  85     Control( WindowType::GROUPBOX )
  86 {
  87     ImplInit( pParent, nStyle );
  88 }
  89
  90 void GroupBox::ImplDraw( OutputDevice* pDev, SystemTextColorFlags nSystemTextColorFlags,
  91                          const Point& rPos, const Size& rSize, bool bLayout )
  92 {
  93     tools::Long                    nTop;
  94     tools::Long                    nTextOff;
  95     const StyleSettings&    rStyleSettings = GetSettings().GetStyleSettings();
  96     OUString                aText( GetText() );
  97     tools::Rectangle               aRect( rPos, rSize );
  98     DrawTextFlags           nTextStyle = DrawTextFlags::Left | DrawTextFlags::Top | DrawTextFlags::EndEllipsis | DrawTextFlags::Mnemonic;
  99
 100     if ( GetStyle() & WB_NOLABEL )
 101         nTextStyle &= ~DrawTextFlags::Mnemonic;
 102     if ( !IsEnabled() )
 103         nTextStyle |= DrawTextFlags::Disable;
 104     if ( (nSystemTextColorFlags & SystemTextColorFlags::Mono) ||
 105          (rStyleSettings.GetOptions() & StyleSettingsOptions::Mono) )
 106     {
 107         nTextStyle |= DrawTextFlags::Mono;
 108         nSystemTextColorFlags |= SystemTextColorFlags::Mono;
 109     }
 110
 111     if (aText.isEmpty())
 112     {
 113         nTop = rPos.Y();
 114         nTextOff = 0;
 115     }
 116     else
 117     {
 118         aRect.AdjustLeft(GROUP_BORDER );
 119         aRect.AdjustRight( -(GROUP_BORDER) );
 120         aRect = pDev->GetTextRect( aRect, aText, nTextStyle );
 121         nTop = rPos.Y();
 122         nTop += aRect.GetHeight() / 2;
 123         nTextOff = GROUP_TEXT_BORDER;
 124     }
 125
 126     if( ! bLayout )
 127     {
 128         if ( nSystemTextColorFlags & SystemTextColorFlags::Mono )
 129             pDev->SetLineColor( COL_BLACK );
 130         else
 131             pDev->SetLineColor( rStyleSettings.GetShadowColor() );
 132
 133         if (aText.isEmpty())
 134             pDev->DrawLine( Point( rPos.X(), nTop ), Point( rPos.X()+rSize.Width()-2, nTop ) );
 135         else
 136         {
 137             pDev->DrawLine( Point( rPos.X(), nTop ), Point( aRect.Left()-nTextOff, nTop ) );
 138             pDev->DrawLine( Point( aRect.Right()+nTextOff, nTop ), Point( rPos.X()+rSize.Width()-2, nTop ) );
 139         }
 140         pDev->DrawLine( Point( rPos.X(), nTop ), Point( rPos.X(), rPos.Y()+rSize.Height()-2 ) );
 141         pDev->DrawLine( Point( rPos.X(), rPos.Y()+rSize.Height()-2 ), Point( rPos.X()+rSize.Width()-2, rPos.Y()+rSize.Height()-2 ) );
 142         pDev->DrawLine( Point( rPos.X()+rSize.Width()-2, rPos.Y()+rSize.Height()-2 ), Point( rPos.X()+rSize.Width()-2, nTop ) );
 143
 144         bool bIsPrinter = OUTDEV_PRINTER == pDev->GetOutDevType();
 145         // if we're drawing onto a printer, spare the 3D effect #i46986#
 146
 147         if ( !bIsPrinter && !(nSystemTextColorFlags & SystemTextColorFlags::Mono) )
 148         {
 149             pDev->SetLineColor( rStyleSettings.GetLightColor() );
 150             if (aText.isEmpty())
 151                 pDev->DrawLine( Point( rPos.X()+1, nTop+1 ), Point( rPos.X()+rSize.Width()-3, nTop+1 ) );
 152             else
 153             {
 154                 pDev->DrawLine( Point( rPos.X()+1, nTop+1 ), Point( aRect.Left()-nTextOff, nTop+1 ) );
 155                 pDev->DrawLine( Point( aRect.Right()+nTextOff, nTop+1 ), Point( rPos.X()+rSize.Width()-3, nTop+1 ) );
 156             }
 157             pDev->DrawLine( Point( rPos.X()+1, nTop+1 ), Point( rPos.X()+1, rPos.Y()+rSize.Height()-3 ) );
 158             pDev->DrawLine( Point( rPos.X(), rPos.Y()+rSize.Height()-1 ), Point( rPos.X()+rSize.Width()-1, rPos.Y()+rSize.Height()-1 ) );
 159             pDev->DrawLine( Point( rPos.X()+rSize.Width()-1, rPos.Y()+rSize.Height()-1 ), Point( rPos.X()+rSize.Width()-1, nTop ) );
 160         }
 161     }
 162
 163     std::vector< tools::Rectangle >* pVector = bLayout ? &mxLayoutData->m_aUnicodeBoundRects : nullptr;
 164     OUString* pDisplayText = bLayout ? &mxLayoutData->m_aDisplayText : nullptr;
 165     DrawControlText( *pDev, aRect, aText, nTextStyle, pVector, pDisplayText );
 166 }
 167
 168 void GroupBox::FillLayoutData() const
 169 {
 170     mxLayoutData.emplace();
 171     const_cast<GroupBox*>(this)->ImplDraw( const_cast<GroupBox*>(this)->GetOutDev(), SystemTextColorFlags::NONE, Point(), GetOutputSizePixel(), true );
 172 }
 173
 174 void GroupBox::Paint( vcl::RenderContext& rRenderContext, const tools::Rectangle& )
 175 {
 176     ImplDraw(&rRenderContext, SystemTextColorFlags::NONE, Point(), GetOutputSizePixel());
 177 }
 178
 179 void GroupBox::Draw( OutputDevice* pDev, const Point& rPos,
 180                      SystemTextColorFlags nFlags )
 181 {
 182     Point       aPos  = pDev->LogicToPixel( rPos );
 183     Size        aSize = GetSizePixel();
 184     vcl::Font   aFont = GetDrawPixelFont( pDev );
 185
 186     pDev->Push();
 187     pDev->SetMapMode();
 188     pDev->SetFont( aFont );
 189     if ( nFlags & SystemTextColorFlags::Mono )
 190         pDev->SetTextColor( COL_BLACK );
 191     else
 192         pDev->SetTextColor( GetTextColor() );
 193     pDev->SetTextFillColor();
 194
 195     ImplDraw( pDev, nFlags, aPos, aSize );
 196     pDev->Pop();
 197 }
 198
 199 void GroupBox::Resize()
 200 {
 201     Control::Resize();
 202     Invalidate();
 203 }
 204
 205 void GroupBox::StateChanged( StateChangedType nType )
 206 {
 207     Control::StateChanged( nType );
 208
 209     if ( (nType == StateChangedType::Enable) ||
 210          (nType == StateChangedType::Text) ||
 211          (nType == StateChangedType::UpdateMode) )
 212     {
 213         if ( IsUpdateMode() )
 214             Invalidate();
 215     }
 216     else if ( nType == StateChangedType::Style )
 217     {
 218         SetStyle( ImplInitStyle( GetStyle() ) );
 219         if ( (GetPrevStyle() & GROUP_VIEW_STYLE) !=
 220              (GetStyle() & GROUP_VIEW_STYLE) )
 221             Invalidate();
 222     }
 223     else if ( (nType == StateChangedType::Zoom)  ||
 224               (nType == StateChangedType::ControlFont) )
 225     {
 226         ImplInitSettings( false );
 227         Invalidate();
 228     }
 229     else if ( nType == StateChangedType::ControlForeground )
 230     {
 231         ImplInitSettings( false );
 232         Invalidate();
 233     }
 234     else if ( nType == StateChangedType::ControlBackground )
 235     {
 236         ImplInitSettings( true );
 237         Invalidate();
 238     }
 239 }
 240
 241 void GroupBox::DataChanged( const DataChangedEvent& rDCEvt )
 242 {
 243     Control::DataChanged( rDCEvt );
 244
 245     if ( (rDCEvt.GetType() == DataChangedEventType::FONTS) ||
 246          (rDCEvt.GetType() == DataChangedEventType::FONTSUBSTITUTION) ||
 247          ((rDCEvt.GetType() == DataChangedEventType::SETTINGS) &&
 248           (rDCEvt.GetFlags() & AllSettingsFlags::STYLE)) )
 249     {
 250         ImplInitSettings( true );
 251         Invalidate();
 252     }
 253 }
 254
 255 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */