toolkit/source/layout/core/container.cxx

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  31
  32 #include "container.hxx"
  33
  34 #include <com/sun/star/awt/XWindow.hpp>
  35 #include <com/sun/star/awt/PosSize.hpp>
  36 #include <tools/debug.hxx>
  37
  38 namespace layoutimpl {
  39
  40 using namespace css;
  41
  42 Container::Container()
  43     : Container_Base()
  44     , PropHelper()
  45     , mnBorderWidth( 0 )
  46 {
  47     addProp( RTL_CONSTASCII_USTRINGPARAM( "Border" ),
  48              ::getCppuType( static_cast< const sal_Int32* >( NULL ) ),
  49              &mnBorderWidth );
  50     setChangeListener( this );
  51 }
  52
  53 bool
  54 Container::emptyVisible ()
  55 {
  56     return false;
  57 }
  58
  59 uno::Any
  60 Container::queryInterface( const uno::Type & rType ) throw (uno::RuntimeException)
  61 {
  62     uno::Any aRet = Container_Base::queryInterface( rType );
  63     return aRet.hasValue() ? aRet : PropHelper::queryInterface( rType );
  64 }
  65
  66 void
  67 Container::allocateChildAt( const uno::Reference< awt::XLayoutConstrains > &xChild,
  68                             const awt::Rectangle &rArea )
  69     throw( uno::RuntimeException )
  70 {
  71     uno::Reference< awt::XLayoutContainer > xCont( xChild, uno::UNO_QUERY );
  72     if ( xCont.is() )
  73         xCont->allocateArea( rArea );
  74     else
  75     {
  76         uno::Reference< awt::XWindow > xWindow( xChild, uno::UNO_QUERY );
  77         if ( xWindow.is() )
  78             xWindow->setPosSize( rArea.X, rArea.Y, rArea.Width, rArea.Height,
  79                                  awt::PosSize::POSSIZE );
  80         else
  81         {
  82             DBG_ERROR( "Error: non-sizeable child" );
  83         }
  84     }
  85 }
  86
  87 uno::Sequence< uno::Reference< awt::XLayoutConstrains > >
  88 Container::getSingleChild ( uno::Reference< awt::XLayoutConstrains >const &xChildOrNil )
  89 {
  90     uno::Sequence< uno::Reference< awt::XLayoutConstrains > > aSeq( ( xChildOrNil.is() ? 1 : 0 ) );
  91     if ( xChildOrNil.is() )
  92         aSeq[0] = xChildOrNil;
  93     return aSeq;
  94 }
  95
  96 void
  97 Container::queueResize()
  98 {
  99     if ( mxLayoutUnit.is() )
 100         mxLayoutUnit->queueResize( uno::Reference< awt::XLayoutContainer >( this ) );
 101 }
 102
 103 void
 104 Container::setChildParent( const uno::Reference< awt::XLayoutConstrains >& xChild )
 105 {
 106     uno::Reference< awt::XLayoutContainer > xContChild( xChild, uno::UNO_QUERY );
 107     if ( xContChild.is() )
 108     {
 109         xContChild->setParent( uno::Reference< awt::XLayoutContainer >( this ) );
 110 #if 0
 111         assert( !mxLayoutUnit.is() );
 112         xContChild->setLayoutUnit( mxLayoutUnit );
 113 #endif
 114     }
 115 }
 116
 117 void
 118 Container::unsetChildParent( const uno::Reference< awt::XLayoutConstrains >& xChild )
 119 {
 120     uno::Reference< awt::XLayoutContainer > xContChild( xChild, uno::UNO_QUERY );
 121     if ( xContChild.is() )
 122     {
 123         xContChild->setParent( uno::Reference< awt::XLayoutContainer >() );
 124 #if 0
 125         xContChild->setLayoutUnit( uno::Reference< awt::XLayoutUnit >() );
 126 #endif
 127     }
 128 }
 129
 130 #if 0
 131 std::string
 132 Container::getLabel()  // debug label
 133 {
 134     std::string depth;
 135     uno::Reference< awt::XLayoutContainer > xContainer( this );
 136     while ( xContainer.is() )
 137     {
 138         int node = 0;  // child nb
 139         uno::Reference< awt::XLayoutContainer > xParent = xContainer->getContainerParent();
 140         if ( xParent.is() )
 141         {
 142
 143             uno::Sequence< uno::Reference< awt::XLayoutConstrains > > aChildren;
 144             aChildren = xParent->getChildren();
 145             for ( node = 0; node < aChildren.getLength(); node++ )
 146                 if ( aChildren[ node ] == xContainer )
 147                     break;
 148         }
 149
 150         char str[ 8 ];
 151         snprintf( str, 8, "%d", node );
 152         if ( depth.empty() )
 153             depth = std::string( str );
 154         else
 155             depth = std::string( str ) + ":" + depth;
 156
 157         xContainer = xParent;
 158     }
 159
 160     return std::string( getName() ) + " (" + depth + ")";
 161 }
 162 #endif
 163
 164 void Container::propertiesChanged()
 165 {
 166     // cl: why this assertion? This is also called to set properties at the top level widget which has no parent!?
 167     // DBG_ASSERT( mxParent.is(), "Properties listener: error container doesn't have parent" );
 168
 169     if ( mxLayoutUnit.is() && mxParent.is() )
 170         mxLayoutUnit->queueResize( mxParent );
 171 }
 172
 173 }