svn path=/trunk/KDE/kdebase/workspace/; revision=1024489remotes/origin/Plasma/5.0
Hugo Pereira Da Costa
17 years ago
parent
24270ef9f3
commit
e679d07b93
5 changed files with 229 additions and 13 deletions
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//////////////////////////////////////////////////////////////////////////////
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// OxygenTimeLine.h
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// derive from QTimeLine and is used to perform smooth transitions
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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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#include "oxygentimeline.h" |
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#include "oxygentimeline.moc" |
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#include <cassert> |
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#include <KDebug> |
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namespace Oxygen |
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{ |
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//______________________________________________________
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OxygenTimeLine::OxygenTimeLine( int duration, QObject* parent ): |
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QTimeLine( duration, parent ), |
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direction_( Forward ), |
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currentIndex_( 0 ), |
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maxIndex_( 255 ), |
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lastFrame_( 0 ) |
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{ |
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// connections
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connect( this, SIGNAL( frameChanged( int ) ), SLOT( updateCurrentIndex( int ) ) ); |
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} |
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//______________________________________________________
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void OxygenTimeLine::start( void ) |
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{ |
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assert( state() == NotRunning ); |
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lastFrame_ = 0; |
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QTimeLine::start(); |
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} |
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//______________________________________________________
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void OxygenTimeLine::updateCurrentIndex( int currentFrame ) |
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{ |
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// check interval
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if( currentFrame <= lastFrame_ ) lastFrame_ = 0; |
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// calculate step
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int step = (maxIndex()*( currentFrame - lastFrame_ ))/endFrame(); |
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if( direction_ == Backward ) step *= -1; |
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// update lastFrame
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lastFrame_ = currentFrame; |
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// check end conditions
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if( currentIndex_ + step <= 0 ) |
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{ |
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currentIndex_ = 0; |
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emit currentIndexChanged( currentIndex_ ); |
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stop(); |
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} else if( currentIndex_ + step >= maxIndex_ ) { |
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currentIndex_ = maxIndex_; |
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emit currentIndexChanged( currentIndex_ ); |
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stop(); |
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} else { |
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currentIndex_ += step; |
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emit currentIndexChanged( currentIndex_ ); |
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} |
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} |
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} |
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@ -0,0 +1,93 @@ |
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#ifndef oxygentimeline_h |
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#define oxygentimeline_h |
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//////////////////////////////////////////////////////////////////////////////
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// OxygenTimeLine.h
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// derive from QTimeLine and is used to perform smooth transitions
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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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#include <QTimeLine> |
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namespace Oxygen |
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{ |
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class OxygenTimeLine: public QTimeLine |
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{ |
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Q_OBJECT |
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public: |
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//! constructor
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OxygenTimeLine( int duration, QObject* parent ); |
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//! max number of Index
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void setMaxIndex( int value ) |
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{ maxIndex_ = value; } |
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//! max number of Index
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int maxIndex( void ) const |
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{ return maxIndex_; } |
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//! current Index
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int currentIndex( void ) const |
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{ return currentIndex_; } |
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//! direction used to update Index
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void setDirection( QTimeLine::Direction value ) |
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{ direction_ = value; } |
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//! start
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void start( void ); |
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signals: |
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//! emitted whenever the current Index changed
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void currentIndexChanged( int ); |
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protected slots: |
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//! connected to timeLine frameChanged
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void updateCurrentIndex( int ); |
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private: |
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//! direction
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Direction direction_; |
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//! current Index
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int currentIndex_; |
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//! max Index
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int maxIndex_; |
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//! frame at last update
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int lastFrame_; |
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}; |
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} |
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#endif |
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