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Kate

katedynamicanimation.h

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00001 /* This file is part of the KDE libraries
00002    Copyright (C) 2005 Hamish Rodda <rodda@kde.org>
00003 
00004    This library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Library General Public
00006    License version 2 as published by the Free Software Foundation.
00007 
00008    This library is distributed in the hope that it will be useful,
00009    but WITHOUT ANY WARRANTY; without even the implied warranty of
00010    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00011    Library General Public License for more details.
00012 
00013    You should have received a copy of the GNU Library General Public License
00014    along with this library; see the file COPYING.LIB.  If not, write to
00015    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00016    Boston, MA 02110-1301, USA.
00017 */
00018 
00019 #ifndef KATEDYNAMICANIMATION_H
00020 #define KATEDYNAMICANIMATION_H
00021 
00022 #include <QtCore/QObject>
00023 
00024 #include <ktexteditor/attribute.h>
00025 
00026 #include "katesmartrange.h"
00027 
00028 class QTimer;
00029 
00030 class KateSmartRange;
00031 class KateView;
00032 class KateDocument;
00033 
00039 class KateDynamicAnimation : public QObject
00040 {
00041   Q_OBJECT
00042 
00043   public:
00044     KateDynamicAnimation(KateDocument* doc, KateSmartRange* range, KTextEditor::Attribute::ActivationType type);
00045     KateDynamicAnimation(KateView* view, KateSmartRange* range, KTextEditor::Attribute::ActivationType type);
00046     virtual ~KateDynamicAnimation();
00047 
00048     void init();
00049 
00050     KateDocument* document() const;
00051     KateView* view() const;
00052     KateSmartRange* range() const;
00053     KTextEditor::Attribute::Ptr dynamicAttribute() const;
00054 
00055     // The magic... add the dynamic highlight to the static highlight at this position
00056     void mergeToAttribute(KTextEditor::Attribute::Ptr attrib) const;
00057 
00058     void finish();
00059 
00060   public Q_SLOTS:
00061     void timeout();
00062 
00063   Q_SIGNALS:
00064     void redraw(KateSmartRange* range);
00065 
00066   private:
00067     QVariant mergeWith(const QVariant& base, const QVariant& dynamic, int percent) const;
00068 
00069     KateSmartRangePtr m_range;
00070     KTextEditor::Attribute::ActivationType m_type;
00071     QTimer* m_timer;
00072 
00073     // Meaning of sequence (for now):
00074     // 0 - start of animation
00075     // 1 - 99 - intro
00076     // 100 - plateau
00077     // 101 - 200 - cycle
00078     // 201 - 300 - outro
00079     int m_sequence;
00080 };
00081 
00082 #endif

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