File indexing completed on 2024-05-12 05:28:38

 /*
  * SPDX-FileCopyrightText: 2014 Hugo Pereira Da Costa <hugo.pereira@free.fr>
  *
  * SPDX-License-Identifier: GPL-2.0-or-later
  */
 
 #include "breezescrollbarengine.h"
 
 #include <QEvent>
 
 namespace Breeze
 {
 //____________________________________________________________
 bool ScrollBarEngine::registerWidget(QObject *target, AnimationModes modes)
 {
     // check widget
     if (!target) {
         return false;
     }
 
     // only handle hover and focus
     if (modes & AnimationHover && !dataMap(AnimationHover).contains(target)) {
         dataMap(AnimationHover).insert(target, new ScrollBarData(this, target, duration()), enabled());
     }
     if (modes & AnimationFocus && !dataMap(AnimationFocus).contains(target)) {
         dataMap(AnimationFocus).insert(target, new WidgetStateData(this, target, duration()), enabled());
     }
 
     // connect destruction signal
     connect(target, &QObject::destroyed, this, &ScrollBarEngine::unregisterWidget, Qt::UniqueConnection);
 
     return true;
 }
 
 //____________________________________________________________
 bool ScrollBarEngine::isAnimated(const QObject *object, AnimationMode mode, QStyle::SubControl control)
 {
     if (mode == AnimationHover) {
         if (DataMap<WidgetStateData>::Value data = this->data(object, AnimationHover)) {
             const ScrollBarData *scrollBarData(static_cast<const ScrollBarData *>(data.data()));
             const Animation::Pointer &animation = scrollBarData->animation(control);
             return animation.data()->isRunning();
 
         } else {
             return false;
         }
 
     } else if (control == QStyle::SC_ScrollBarSlider) {
         return WidgetStateEngine::isAnimated(object, mode);
 
     } else {
         return false;
     }
 }
 
 //____________________________________________________________
 AnimationMode ScrollBarEngine::animationMode(const QObject *object, QStyle::SubControl control)
 {
     // enable state
     if (isAnimated(object, AnimationHover, control)) {
         return AnimationHover;
     } else if (isAnimated(object, AnimationFocus, control)) {
         return AnimationFocus;
     } else if (isAnimated(object, AnimationPressed, control)) {
         return AnimationPressed;
     } else {
         return AnimationNone;
     }
 }
 
 //____________________________________________________________
 qreal ScrollBarEngine::opacity(const QObject *object, QStyle::SubControl control)
 {
     if (isAnimated(object, AnimationHover, control)) {
         return static_cast<const ScrollBarData *>(data(object, AnimationHover).data())->opacity(control);
     } else if (control == QStyle::SC_ScrollBarSlider) {
         return WidgetStateEngine::buttonOpacity(object);
     }
     return AnimationData::OpacityInvalid;
 }
 
 }