159 lines
5.1 KiB
C++
159 lines
5.1 KiB
C++
//////////////////////////////////////////////////////////////////////////////
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// oxygendatamap.h
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// stores event filters and maps widgets to timelines for animations
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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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//
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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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#ifndef __DATAMAP_H__
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#define __DATAMAP_H__
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//! data map
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/*! it maps templatized data object to associated object */
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template< typename K, typename T > class BaseDataMap: public QMap< const K*, QWeakPointer<T> > {
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public:
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typedef const K* Key;
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typedef QWeakPointer<T> Value;
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//! constructor
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BaseDataMap( void ):
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QMap<Key, Value>(),
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enabled_( true ),
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lastKey_( NULL )
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{}
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//! destructor
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virtual ~BaseDataMap( void )
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{}
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//! insertion
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virtual typename QMap< Key, Value >::iterator insert( const Key& key, const Value& value, bool enabled = true ) {
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if ( value ) value.data()->setEnabled( enabled );
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return QMap< Key, Value >::insert( key, value );
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}
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//! find value
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Value find( Key key ) {
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if ( !( enabled() && key ) ) return Value();
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if ( key == lastKey_ ) return lastValue_;
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else {
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Value out;
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typename QMap<Key, Value>::iterator iter( QMap<Key, Value>::find( key ) );
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if ( iter != QMap<Key, Value>::end() ) out = iter.value();
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lastKey_ = key;
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lastValue_ = out;
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return out;
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}
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}
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//! unregister widget
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bool unregisterWidget( Key key ) {
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// check key
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if ( !key ) return false;
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// clear last value if needed
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if ( key == lastKey_ ) {
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if ( lastValue_ ) lastValue_.clear();
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lastKey_ = NULL;
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}
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// find key in map
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typename QMap<Key, Value>::iterator iter( QMap<Key, Value>::find( key ) );
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if ( iter == QMap<Key, Value>::end() ) return false;
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// delete value from map if found
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if ( iter.value() ) iter.value().data()->deleteLater();
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QMap<Key, Value>::erase( iter );
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return true;
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}
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//! maxFrame
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void setEnabled( bool enabled ) {
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enabled_ = enabled;
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foreach( const Value & value, *this ) {
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if ( value ) value.data()->setEnabled( enabled );
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}
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}
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//! enability
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bool enabled( void ) const {
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return enabled_;
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}
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//! duration
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void setDuration( int duration ) const {
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foreach( const Value & value, *this ) {
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if ( value ) value.data()->setDuration( duration );
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}
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}
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private:
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//! enability
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bool enabled_;
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//! last key
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Key lastKey_;
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//! last value
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Value lastValue_;
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};
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//! standard data map, using QObject as a key
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template< typename T > class DataMap: public BaseDataMap< QObject, T > {
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public:
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//! constructor
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DataMap( void )
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{}
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//! destructor
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virtual ~DataMap( void )
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{}
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};
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//! QPaintDevice based dataMap
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template< typename T > class PaintDeviceDataMap: public BaseDataMap< QPaintDevice, T > {
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public:
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//! constructor
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PaintDeviceDataMap( void )
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{}
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//! destructor
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virtual ~PaintDeviceDataMap( void )
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{}
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};
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#endif
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