File indexing completed on 2024-05-19 05:35:21

 #ifndef oxygenscrollbarengine_h
 #define oxygenscrollbarengine_h
 
 //////////////////////////////////////////////////////////////////////////////
 // oxygenscrollbarengine.h
 // stores event filters and maps widgets to timelines for animations
 // -------------------
 //
 // SPDX-FileCopyrightText: 2009 Hugo Pereira Da Costa <hugo.pereira@free.fr>
 //
 // SPDX-License-Identifier: MIT
 //////////////////////////////////////////////////////////////////////////////
 
 #include "oxygenbaseengine.h"
 #include "oxygendatamap.h"
 #include "oxygenscrollbardata.h"
 
 namespace Oxygen
 {
 //* stores scrollbar hovered action and timeLine
 class ScrollBarEngine : public BaseEngine
 {
     Q_OBJECT
 
 public:
     //* constructor
     explicit ScrollBarEngine(QObject *parent)
         : BaseEngine(parent)
     {
     }
 
     //* register scrollbar
     bool registerWidget(QWidget *);
 
     //* true if widget is animated
     bool isAnimated(const QObject *object, QStyle::SubControl control);
 
     //* animation opacity
     qreal opacity(const QObject *object, QStyle::SubControl control)
     {
         return isAnimated(object, control) ? _data.find(object).data()->opacity(control) : AnimationData::OpacityInvalid;
     }
 
     //* return true if given subcontrol is hovered
     bool isHovered(const QObject *object, QStyle::SubControl control)
     {
         if (DataMap<ScrollBarData>::Value data = _data.find(object))
             return data.data()->isHovered(control);
         else
             return false;
     }
 
     //* control rect associated to object
     QRect subControlRect(const QObject *object, QStyle::SubControl control)
     {
         if (DataMap<ScrollBarData>::Value data = _data.find(object))
             return data.data()->subControlRect(control);
         else
             return QRect();
     }
 
     //* control rect
     void setSubControlRect(const QObject *object, QStyle::SubControl control, const QRect &rect)
     {
         if (DataMap<ScrollBarData>::Value data = _data.find(object)) {
             data.data()->setSubControlRect(control, rect);
         }
     }
 
     //* control rect
     void updateState(const QObject *object, bool state)
     {
         if (DataMap<ScrollBarData>::Value data = _data.find(object)) {
             data.data()->updateState(state);
         }
     }
 
     //* mouse position
     QPoint position(const QObject *object)
     {
         if (DataMap<ScrollBarData>::Value data = _data.find(object))
             return data.data()->position();
         else
             return QPoint(-1, -1);
     }
 
     //* enable state
     void setEnabled(bool value) override
     {
         BaseEngine::setEnabled(value);
         /*
         do not disable the map directly, because the contained OxygenScrollbarData
         are also used in non animated mode to store scrollbar arrows rect. However
         do disable all contains DATA object, in order to prevent actual animations
         */
         for (const DataMap<ScrollBarData>::Value &data : std::as_const(_data)) {
             if (data)
                 data.data()->setEnabled(value);
         }
     }
 
     //* duration
     void setDuration(int value) override
     {
         BaseEngine::setDuration(value);
         _data.setDuration(value);
     }
 
 public Q_SLOTS:
 
     //* remove widget from map
     bool unregisterWidget(QObject *object) override
     {
         return _data.unregisterWidget(object);
     }
 
 private:
     //* data map
     DataMap<ScrollBarData> _data;
 };
 }
 
 #endif