Line data    Source code

       1             : 
       2             : /* Copyright (c) 2009-2011, Stefan Eilemann <eile@equalizergraphics.com>
       3             :  *                    2010, Cedric Stalder <cedric.stalder@gmail.com>
       4             :  *
       5             :  * This library is free software; you can redistribute it and/or modify it under
       6             :  * the terms of the GNU Lesser General Public License version 2.1 as published
       7             :  * by the Free Software Foundation.
       8             :  *  
       9             :  * This library is distributed in the hope that it will be useful, but WITHOUT
      10             :  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
      11             :  * FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
      12             :  * details.
      13             :  * 
      14             :  * You should have received a copy of the GNU Lesser General Public License
      15             :  * along with this library; if not, write to the Free Software Foundation, Inc.,
      16             :  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
      17             :  */
      18             : 
      19             : #include "canvas.h"
      20             : 
      21             : #include "channel.h"
      22             : #include "compound.h"
      23             : #include "config.h"
      24             : #include "configDestCompoundVisitor.h"
      25             : #include "layout.h"
      26             : #include "log.h"
      27             : #include "node.h"
      28             : #include "pipe.h"
      29             : #include "segment.h"
      30             : #include "view.h"
      31             : #include "window.h"
      32             : 
      33             : #include <eq/fabric/paths.h>
      34             : #include <co/dataIStream.h>
      35             : #include <co/dataOStream.h>
      36             : #include <lunchbox/stdExt.h>
      37             : 
      38             : namespace eq
      39             : {
      40             : namespace server
      41             : {
      42             : typedef fabric::Canvas< Config, Canvas, Segment, Layout > Super;
      43             : 
      44         223 : Canvas::Canvas( Config* parent )
      45             :         : Super( parent )
      46         223 :         , _state( STATE_STOPPED )
      47         223 : {}
      48             : 
      49         444 : Canvas::~Canvas()
      50             : {
      51         444 : }
      52             : 
      53        1310 : Segment* Canvas::getSegment( const SegmentPath& path )
      54             : {
      55        1310 :     const Segments& segments = getSegments();
      56        1310 :     LBASSERTINFO( segments.size() > path.segmentIndex,
      57             :                   segments.size() << " <= " << path.segmentIndex );
      58             : 
      59        1310 :     if( segments.size() <= path.segmentIndex )
      60           0 :         return 0;
      61             : 
      62        1310 :     return segments[ path.segmentIndex ];
      63             : }
      64             : 
      65          20 : ServerPtr Canvas::getServer() 
      66             : {
      67          20 :     Config* config = getConfig();
      68          20 :     LBASSERT( config );
      69          20 :     return ( config ? config->getServer() : 0 );
      70             : }
      71             : 
      72           2 : void Canvas::activateLayout( const uint32_t index )
      73             : {
      74           2 :     if( _state == STATE_RUNNING )
      75           0 :         _switchLayout( getActiveLayoutIndex(), index );
      76             :     else
      77           2 :         Super::activateLayout( index );
      78           2 : }
      79             : 
      80           8 : void Canvas::init()
      81             : {
      82           8 :     LBASSERT( _state == STATE_STOPPED );
      83           8 :     _switchLayout( LB_UNDEFINED_UINT32, getActiveLayoutIndex( ));
      84           8 :     _state = STATE_RUNNING;
      85           8 : }
      86             : 
      87           8 : void Canvas::exit()
      88             : {
      89           8 :     LBASSERT( _state == STATE_RUNNING || _state == STATE_DELETE );
      90           8 :     _switchLayout( getActiveLayoutIndex(), LB_UNDEFINED_UINT32 );
      91           8 :     if( _state == STATE_RUNNING )
      92           8 :         _state = STATE_STOPPED;
      93           8 : }
      94             : 
      95          16 : void Canvas::_switchLayout( const uint32_t oldIndex, const uint32_t newIndex )
      96             : {
      97          16 :     if( oldIndex == newIndex )
      98           0 :         return;
      99             : 
     100          16 :     const Layouts& layouts = getLayouts();
     101          16 :     const size_t nLayouts = layouts.size();
     102          16 :     Layout* oldLayout = (oldIndex >= nLayouts) ? 0 : layouts[oldIndex];
     103          16 :     Layout* newLayout = (newIndex >= nLayouts) ? 0 : layouts[newIndex];
     104             : 
     105          16 :     if( oldLayout )
     106           8 :         oldLayout->trigger( this, false );
     107             : 
     108          16 :     if( newIndex == LB_UNDEFINED_UINT32 )
     109           8 :         return;
     110             : 
     111           8 :     Super::activateLayout( newIndex );
     112             : 
     113           8 :     if( newLayout )
     114           8 :         newLayout->trigger( this, true );
     115             : }
     116             : 
     117           0 : void Canvas::postDelete()
     118             : {
     119           0 :     _state = STATE_DELETE;
     120           0 :     getConfig()->postNeedsFinish();
     121           0 : }
     122             : 
     123             : }
     124             : }
     125             : 
     126             : #include "nodeFactory.h"
     127             : #include "../fabric/canvas.ipp"
     128             : 
     129             : template class eq::fabric::Canvas< eq::server::Config, eq::server::Canvas,
     130             :                                    eq::server::Segment, eq::server::Layout >;
     131             : /** @cond IGNORE */
     132             : template std::ostream& eq::fabric::operator << ( std::ostream&,
     133             :     const eq::fabric::Canvas< eq::server::Config, eq::server::Canvas,
     134          27 :                               eq::server::Segment, eq::server::Layout >& );
     135             : /** @endcond */