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Viewing changes to kwin/clients/oxygen/oxygenfactory.cpp

  • Committer: Bazaar Package Importer
  • Author(s): Michał Zając
  • Date: 2011-07-09 08:31:15 UTC
  • Revision ID: james.westby@ubuntu.com-20110709083115-ohyxn6z93mily9fc
Tags: upstream-4.6.90
Import upstream version 4.6.90

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kwin/clients/oxygen/oxygenfactory.cpp
 
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//////////////////////////////////////////////////////////////////////////////
 
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// oxygen.cpp
 
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// -------------------
 
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//
 
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// Copyright (c) 2009 Hugo Pereira Da Costa <hugo.pereira@free.fr>
 
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// Copyright (c) 2006, 2007 Riccardo Iaconelli <riccardo@kde.org>
 
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//
 
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// Permission is hereby granted, free of charge, to any person obtaining a copy
 
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// of this software and associated documentation files (the "Software"), to
 
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// deal in the Software without restriction, including without limitation the
 
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 
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// sell copies of the Software, and to permit persons to whom the Software is
 
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// furnished to do so, subject to the following conditions:
 
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//
 
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// The above copyright notice and this permission notice shall be included in
 
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// all copies or substantial portions of the Software.
 
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//
 
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 
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// IN THE SOFTWARE.
 
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//////////////////////////////////////////////////////////////////////////////
 
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#include "oxygenfactory.h"
 
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#include "oxygenfactory.moc"
 
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#include "oxygenclient.h"
 
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#include <cassert>
 
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#include <KConfigGroup>
 
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#include <KDebug>
 
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#include <KGlobal>
 
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#include <KWindowInfo>
 
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#include <kdeversion.h>
 
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extern "C"
 
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{
 
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    KDE_EXPORT KDecorationFactory* create_factory()
 
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    { return new Oxygen::Factory(); }
 
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}
 
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namespace Oxygen
 
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{
 
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    //___________________________________________________
 
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    Factory::Factory():
 
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        _initialized( false ),
 
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        _helper( "oxygenDeco" ),
 
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        _shadowCache( _helper )
 
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    {
 
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        readConfig();
 
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        setInitialized( true );
 
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    }
 
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    //___________________________________________________
 
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    Factory::~Factory()
 
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    { setInitialized( false ); }
 
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    //___________________________________________________
 
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    KDecoration* Factory::createDecoration(KDecorationBridge* bridge )
 
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    { return (new Client( bridge, this ))->decoration(); }
 
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    //___________________________________________________
 
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    bool Factory::reset(unsigned long changed)
 
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    {
 
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        if( changed & SettingColors )
 
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        { shadowCache().invalidateCaches(); }
 
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        // read in the configuration
 
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        setInitialized( false );
 
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        bool _configurationchanged = readConfig();
 
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        setInitialized( true );
 
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        if( _configurationchanged || (changed & (SettingDecoration | SettingButtons | SettingBorder)) )
 
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        {
 
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            // returning true triggers all decorations to be re-created
 
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            return true;
 
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        } else {
 
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            // no need to re-create the decorations
 
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            // trigger repaint only
 
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            resetDecorations(changed);
 
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            return false;
 
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        }
 
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    }
 
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    //___________________________________________________
 
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    bool Factory::readConfig()
 
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    {
 
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        bool changed( false );
 
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        /*
 
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        always reload helper
 
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        this is needed to properly handle
 
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        color contrast settings changed
 
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        */
 
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        helper().invalidateCaches();
 
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        helper().reloadConfig();
 
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        // create a config object
 
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        KConfig config("oxygenrc");
 
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        KConfigGroup group( config.group("Windeco") );
 
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        Configuration configuration( group );
 
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        if( !( configuration == defaultConfiguration() ) )
 
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        {
 
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            setDefaultConfiguration( configuration );
 
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            changed = true;
 
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        }
 
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        // read exceptionsreadConfig
 
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        ExceptionList exceptions( config );
 
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        if( !( exceptions == _exceptions ) )
 
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        {
 
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            _exceptions = exceptions;
 
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            changed = true;
 
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        }
 
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        // read shadowCache configuration
 
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        changed |= shadowCache().readConfig( config );
 
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        // background pixmap
 
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        {
 
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            KConfigGroup group( config.group("Common") );
 
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            helper().setBackgroundPixmap( group.readEntry( "BackgroundPixmap", "" ) );
 
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        }
 
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        return changed;
 
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    }
 
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    //_________________________________________________________________
 
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    bool Factory::supports( Ability ability ) const
 
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    {
 
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        switch( ability )
 
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        {
 
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            // announce
 
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            case AbilityAnnounceButtons:
 
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            case AbilityAnnounceColors:
 
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            // buttons
 
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            case AbilityButtonMenu:
 
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            case AbilityButtonHelp:
 
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            case AbilityButtonMinimize:
 
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            case AbilityButtonMaximize:
 
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            case AbilityButtonClose:
 
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            case AbilityButtonOnAllDesktops:
 
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            case AbilityButtonAboveOthers:
 
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            case AbilityButtonBelowOthers:
 
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            case AbilityButtonSpacer:
 
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            case AbilityButtonShade:
 
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            //       // colors
 
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            //       case AbilityColorTitleBack:
 
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            //       case AbilityColorTitleFore:
 
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            //       case AbilityColorFrame:
 
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166
            // compositing
 
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            case AbilityProvidesShadow: // TODO: UI option to use default shadows instead
 
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            return true;
 
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            case AbilityUsesAlphaChannel:
 
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            return true;
 
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            // tabs
 
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            case AbilityClientGrouping:
 
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            return defaultConfiguration().tabsEnabled();
 
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            // no colors supported at this time
 
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            default:
 
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            return false;
 
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        };
 
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    }
 
182
 
 
183
 
 
184
 
 
185
    //____________________________________________________________________
 
186
    Configuration Factory::configuration( const Client& client )
 
187
    {
 
188
 
 
189
        QString window_title;
 
190
        QString class_name;
 
191
        for( ExceptionList::const_iterator iter = _exceptions.constBegin(); iter != _exceptions.constEnd(); ++iter )
 
192
        {
 
193
 
 
194
            // discard disabled exceptions
 
195
            if( !iter->enabled() ) continue;
 
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197
            /*
 
198
            decide which value is to be compared
 
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            to the regular expression, based on exception type
 
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            */
 
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            QString value;
 
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            switch( iter->type() )
 
203
            {
 
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                case Exception::WindowTitle:
 
205
                {
 
206
                    value = window_title.isEmpty() ? (window_title = client.caption()):window_title;
 
207
                    break;
 
208
                }
 
209
 
 
210
                case Exception::WindowClassName:
 
211
                {
 
212
                    if( class_name.isEmpty() )
 
213
                    {
 
214
                        // retrieve class name
 
215
                        KWindowInfo info( client.windowId(), 0, NET::WM2WindowClass );
 
216
                        QString window_class_name( info.windowClassName() );
 
217
                        QString window_class( info.windowClassClass() );
 
218
                        class_name = window_class_name + ' ' + window_class;
 
219
                    }
 
220
 
 
221
                    value = class_name;
 
222
                    break;
 
223
                }
 
224
 
 
225
                default: assert( false );
 
226
 
 
227
            }
 
228
 
 
229
            if( iter->regExp().indexIn( value ) < 0 ) continue;
 
230
 
 
231
            Configuration configuration( defaultConfiguration() );
 
232
            configuration.readException( *iter );
 
233
            return configuration;
 
234
 
 
235
        }
 
236
 
 
237
        return defaultConfiguration();
 
238
 
 
239
    }
 
240
 
 
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} //namespace Oxygen