vcl/source/control/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
  21 #include <tools/rc.h>
  22
  23 #include <vcl/event.hxx>
  24 #include <vcl/group.hxx>
  25
  26 #include <controldata.hxx>
  27
  28 // =======================================================================
  29
  30 #define GROUP_BORDER            12
  31 #define GROUP_TEXT_BORDER       2
  32
  33 #define GROUP_VIEW_STYLE        (WB_3DLOOK | WB_NOLABEL)
  34
  35 // =======================================================================
  36
  37 void GroupBox::ImplInit( Window* pParent, WinBits nStyle )
  38 {
  39     nStyle = ImplInitStyle( nStyle );
  40     Control::ImplInit( pParent, nStyle, NULL );
  41     SetMouseTransparent( sal_True );
  42     ImplInitSettings( sal_True, sal_True, sal_True );
  43 }
  44
  45 // -----------------------------------------------------------------------
  46
  47 WinBits GroupBox::ImplInitStyle( WinBits nStyle )
  48 {
  49     if ( !(nStyle & WB_NOGROUP) )
  50         nStyle |= WB_GROUP;
  51     return nStyle;
  52 }
  53
  54 // -----------------------------------------------------------------
  55
  56 const Font& GroupBox::GetCanonicalFont( const StyleSettings& _rStyle ) const
  57 {
  58     return _rStyle.GetGroupFont();
  59 }
  60
  61 // -----------------------------------------------------------------
  62 const Color& GroupBox::GetCanonicalTextColor( const StyleSettings& _rStyle ) const
  63 {
  64     return _rStyle.GetGroupTextColor();
  65 }
  66
  67 // -----------------------------------------------------------------------
  68
  69 void GroupBox::ImplInitSettings( sal_Bool bFont,
  70                                  sal_Bool bForeground, sal_Bool bBackground )
  71 {
  72     Control::ImplInitSettings( bFont, bForeground );
  73
  74     if ( bBackground )
  75     {
  76         Window* pParent = GetParent();
  77         if ( (pParent->IsChildTransparentModeEnabled() ||
  78               !(pParent->GetStyle() & WB_CLIPCHILDREN) ) &&
  79              !IsControlBackground() )
  80         {
  81             EnableChildTransparentMode( sal_True );
  82             SetParentClipMode( PARENTCLIPMODE_NOCLIP );
  83             SetPaintTransparent( sal_True );
  84             SetBackground();
  85         }
  86         else
  87         {
  88             EnableChildTransparentMode( sal_False );
  89             SetParentClipMode( 0 );
  90             SetPaintTransparent( sal_False );
  91
  92             if ( IsControlBackground() )
  93                 SetBackground( GetControlBackground() );
  94             else
  95                 SetBackground( pParent->GetBackground() );
  96         }
  97     }
  98 }
  99
 100 // -----------------------------------------------------------------------
 101
 102 GroupBox::GroupBox( Window* pParent, WinBits nStyle ) :
 103     Control( WINDOW_GROUPBOX )
 104 {
 105     ImplInit( pParent, nStyle );
 106 }
 107
 108 // -----------------------------------------------------------------------
 109
 110 GroupBox::GroupBox( Window* pParent, const ResId& rResId ) :
 111     Control( WINDOW_GROUPBOX )
 112 {
 113     rResId.SetRT( RSC_GROUPBOX );
 114     WinBits nStyle = ImplInitRes( rResId );
 115     ImplInit( pParent, nStyle );
 116     ImplLoadRes( rResId );
 117
 118     if ( !(nStyle & WB_HIDE) )
 119         Show();
 120 }
 121
 122 // -----------------------------------------------------------------------
 123
 124 void GroupBox::ImplDraw( OutputDevice* pDev, sal_uLong nDrawFlags,
 125                          const Point& rPos, const Size& rSize, bool bLayout )
 126 {
 127     long                    nTop;
 128     long                    nTextOff;
 129     const StyleSettings&    rStyleSettings = GetSettings().GetStyleSettings();
 130     OUString                aText( GetText() );
 131     Rectangle               aRect( rPos, rSize );
 132     sal_uInt16                  nTextStyle = TEXT_DRAW_LEFT | TEXT_DRAW_TOP | TEXT_DRAW_ENDELLIPSIS | TEXT_DRAW_MNEMONIC;
 133
 134     if ( GetStyle() & WB_NOLABEL )
 135         nTextStyle &= ~TEXT_DRAW_MNEMONIC;
 136     if ( nDrawFlags & WINDOW_DRAW_NOMNEMONIC )
 137     {
 138         if ( nTextStyle & TEXT_DRAW_MNEMONIC )
 139         {
 140             aText = GetNonMnemonicString( aText );
 141             nTextStyle &= ~TEXT_DRAW_MNEMONIC;
 142         }
 143     }
 144     if ( !(nDrawFlags & WINDOW_DRAW_NODISABLE) )
 145     {
 146         if ( !IsEnabled() )
 147             nTextStyle |= TEXT_DRAW_DISABLE;
 148     }
 149     if ( (nDrawFlags & WINDOW_DRAW_MONO) ||
 150          (rStyleSettings.GetOptions() & STYLE_OPTION_MONO) )
 151     {
 152         nTextStyle |= TEXT_DRAW_MONO;
 153         nDrawFlags |= WINDOW_DRAW_MONO;
 154     }
 155
 156     if (aText.isEmpty())
 157     {
 158         nTop = rPos.Y();
 159         nTextOff = 0;
 160     }
 161     else
 162     {
 163         aRect.Left() += GROUP_BORDER;
 164         aRect.Right() -= GROUP_BORDER;
 165         aRect = pDev->GetTextRect( aRect, aText, nTextStyle );
 166         nTop = rPos.Y();
 167         nTop += aRect.GetHeight() / 2;
 168         nTextOff = GROUP_TEXT_BORDER;
 169     }
 170
 171     if( ! bLayout )
 172     {
 173         if ( nDrawFlags & WINDOW_DRAW_MONO )
 174             pDev->SetLineColor( Color( COL_BLACK ) );
 175         else
 176             pDev->SetLineColor( rStyleSettings.GetShadowColor() );
 177
 178         if (aText.isEmpty())
 179             pDev->DrawLine( Point( rPos.X(), nTop ), Point( rPos.X()+rSize.Width()-2, nTop ) );
 180         else
 181         {
 182             pDev->DrawLine( Point( rPos.X(), nTop ), Point( aRect.Left()-nTextOff, nTop ) );
 183             pDev->DrawLine( Point( aRect.Right()+nTextOff, nTop ), Point( rPos.X()+rSize.Width()-2, nTop ) );
 184         }
 185         pDev->DrawLine( Point( rPos.X(), nTop ), Point( rPos.X(), rPos.Y()+rSize.Height()-2 ) );
 186         pDev->DrawLine( Point( rPos.X(), rPos.Y()+rSize.Height()-2 ), Point( rPos.X()+rSize.Width()-2, rPos.Y()+rSize.Height()-2 ) );
 187         pDev->DrawLine( Point( rPos.X()+rSize.Width()-2, rPos.Y()+rSize.Height()-2 ), Point( rPos.X()+rSize.Width()-2, nTop ) );
 188
 189         bool bIsPrinter = OUTDEV_PRINTER == pDev->GetOutDevType();
 190         // if we're drawing onto a printer, spare the 3D effect
 191         // #i46986# / 2005-04-13 / frank.schoenheit@sun.com
 192
 193         if ( !bIsPrinter && !(nDrawFlags & WINDOW_DRAW_MONO) )
 194         {
 195             pDev->SetLineColor( rStyleSettings.GetLightColor() );
 196             if (aText.isEmpty())
 197                 pDev->DrawLine( Point( rPos.X()+1, nTop+1 ), Point( rPos.X()+rSize.Width()-3, nTop+1 ) );
 198             else
 199             {
 200                 pDev->DrawLine( Point( rPos.X()+1, nTop+1 ), Point( aRect.Left()-nTextOff, nTop+1 ) );
 201                 pDev->DrawLine( Point( aRect.Right()+nTextOff, nTop+1 ), Point( rPos.X()+rSize.Width()-3, nTop+1 ) );
 202             }
 203             pDev->DrawLine( Point( rPos.X()+1, nTop+1 ), Point( rPos.X()+1, rPos.Y()+rSize.Height()-3 ) );
 204             pDev->DrawLine( Point( rPos.X(), rPos.Y()+rSize.Height()-1 ), Point( rPos.X()+rSize.Width()-1, rPos.Y()+rSize.Height()-1 ) );
 205             pDev->DrawLine( Point( rPos.X()+rSize.Width()-1, rPos.Y()+rSize.Height()-1 ), Point( rPos.X()+rSize.Width()-1, nTop ) );
 206         }
 207     }
 208
 209     MetricVector* pVector = bLayout ? &mpControlData->mpLayoutData->m_aUnicodeBoundRects : NULL;
 210     OUString* pDisplayText = bLayout ? &mpControlData->mpLayoutData->m_aDisplayText : NULL;
 211     DrawControlText( *pDev, aRect, aText, nTextStyle, pVector, pDisplayText );
 212 }
 213
 214 // -----------------------------------------------------------------------
 215
 216 void GroupBox::FillLayoutData() const
 217 {
 218     mpControlData->mpLayoutData = new vcl::ControlLayoutData();
 219     const_cast<GroupBox*>(this)->   ImplDraw( const_cast<GroupBox*>(this), 0, Point(), GetOutputSizePixel(), true );
 220 }
 221
 222 // -----------------------------------------------------------------------
 223
 224 void GroupBox::Paint( const Rectangle& )
 225 {
 226     ImplDraw( this, 0, Point(), GetOutputSizePixel() );
 227 }
 228
 229 // -----------------------------------------------------------------------
 230
 231 void GroupBox::Draw( OutputDevice* pDev, const Point& rPos, const Size& rSize,
 232                      sal_uLong nFlags )
 233 {
 234     Point       aPos  = pDev->LogicToPixel( rPos );
 235     Size        aSize = pDev->LogicToPixel( rSize );
 236     Font        aFont = GetDrawPixelFont( pDev );
 237
 238     pDev->Push();
 239     pDev->SetMapMode();
 240     pDev->SetFont( aFont );
 241     if ( nFlags & WINDOW_DRAW_MONO )
 242         pDev->SetTextColor( Color( COL_BLACK ) );
 243     else
 244         pDev->SetTextColor( GetTextColor() );
 245     pDev->SetTextFillColor();
 246
 247     ImplDraw( pDev, nFlags, aPos, aSize );
 248     pDev->Pop();
 249 }
 250
 251 // -----------------------------------------------------------------------
 252
 253 void GroupBox::Resize()
 254 {
 255     Control::Resize();
 256     Invalidate();
 257 }
 258
 259 // -----------------------------------------------------------------------
 260
 261 void GroupBox::StateChanged( StateChangedType nType )
 262 {
 263     Control::StateChanged( nType );
 264
 265     if ( (nType == STATE_CHANGE_ENABLE) ||
 266          (nType == STATE_CHANGE_TEXT) ||
 267          (nType == STATE_CHANGE_UPDATEMODE) )
 268     {
 269         if ( IsUpdateMode() )
 270             Invalidate();
 271     }
 272     else if ( nType == STATE_CHANGE_STYLE )
 273     {
 274         SetStyle( ImplInitStyle( GetStyle() ) );
 275         if ( (GetPrevStyle() & GROUP_VIEW_STYLE) !=
 276              (GetStyle() & GROUP_VIEW_STYLE) )
 277             Invalidate();
 278     }
 279     else if ( (nType == STATE_CHANGE_ZOOM)  ||
 280               (nType == STATE_CHANGE_CONTROLFONT) )
 281     {
 282         ImplInitSettings( sal_True, sal_False, sal_False );
 283         Invalidate();
 284     }
 285     else if ( nType == STATE_CHANGE_CONTROLFOREGROUND )
 286     {
 287         ImplInitSettings( sal_False, sal_True, sal_False );
 288         Invalidate();
 289     }
 290     else if ( nType == STATE_CHANGE_CONTROLBACKGROUND )
 291     {
 292         ImplInitSettings( sal_False, sal_False, sal_True );
 293         Invalidate();
 294     }
 295 }
 296
 297 // -----------------------------------------------------------------------
 298
 299 void GroupBox::DataChanged( const DataChangedEvent& rDCEvt )
 300 {
 301     Control::DataChanged( rDCEvt );
 302
 303     if ( (rDCEvt.GetType() == DATACHANGED_FONTS) ||
 304          (rDCEvt.GetType() == DATACHANGED_FONTSUBSTITUTION) ||
 305          ((rDCEvt.GetType() == DATACHANGED_SETTINGS) &&
 306           (rDCEvt.GetFlags() & SETTINGS_STYLE)) )
 307     {
 308         ImplInitSettings( sal_True, sal_True, sal_True );
 309         Invalidate();
 310     }
 311 }
 312
 313 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */