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// SPDX-FileCopyrightText: 2015 - 2022 UnionTech Software Technology Co., Ltd.
//
// SPDX-License-Identifier: LGPL-3.0-or-later
#ifndef DSTACKWIDGET_H
#define DSTACKWIDGET_H
#include <QWidget>
#include <QVariantAnimation>
#include <DObject>
#include <dtkwidget_global.h>
DWIDGET_BEGIN_NAMESPACE
class DStackWidget;
class DAbstractStackWidgetTransitionPrivate;
class DAbstractStackWidgetTransition : public QObject, public DTK_CORE_NAMESPACE::DObject
{
public:
enum TransitionType{
Push,
Pop
};
struct TransitionInfo{
TransitionType type;
DStackWidget *stackWidget = nullptr;
QWidget *oldWidget = nullptr;
QWidget *newWidget = nullptr;
};
explicit DAbstractStackWidgetTransition(QObject *parent = 0);
virtual void beginTransition(const TransitionInfo &info);
virtual QVariantAnimation *animation() const;
protected:
virtual void updateVariant(const QVariant& variant) = 0;
protected:
explicit DAbstractStackWidgetTransition(DAbstractStackWidgetTransitionPrivate &dd,
QObject *parent = 0);
const TransitionInfo &info() const;
private:
D_DECLARE_PRIVATE(DAbstractStackWidgetTransition)
};
class DSlideStackWidgetTransition : public DAbstractStackWidgetTransition
{
Q_OBJECT
public:
explicit DSlideStackWidgetTransition(QObject *parent = 0);
void beginTransition(const TransitionInfo &info) Q_DECL_OVERRIDE;
private Q_SLOTS:
void updateVariant(const QVariant &variant) Q_DECL_OVERRIDE;
};
class DStackWidgetPrivate;
class DStackWidget : public QWidget, public DTK_CORE_NAMESPACE::DObject
{
Q_OBJECT
///busy is true if a transition is running, and false otherwise.
Q_PROPERTY(bool busy READ busy NOTIFY busyChanged FINAL)
///The number of widgets currently pushed onto the stack.
Q_PROPERTY(int depth READ depth NOTIFY depthChanged FINAL)
Q_PROPERTY(int currentIndex READ currentIndex NOTIFY currentIndexChanged)
Q_PROPERTY(QWidget* currentWidget READ currentWidget NOTIFY currentWidgetChanged)
Q_PROPERTY(DAbstractStackWidgetTransition* transition READ transition WRITE setTransition)
Q_PROPERTY(int animationDuration READ animationDuration WRITE setAnimationDuration)
Q_PROPERTY(QEasingCurve::Type animationType READ animationType WRITE setAnimationType)
public:
explicit DStackWidget(QWidget *parent = 0);
bool busy() const;
int depth() const;
int currentIndex() const;
QWidget* currentWidget() const;
DAbstractStackWidgetTransition* transition() const;
int animationDuration() const;
QEasingCurve::Type animationType() const;
public Q_SLOTS:
int pushWidget(QWidget *widget, bool enableTransition = true);
void insertWidget(int index, QWidget *widget, bool enableTransition = true);
/// If widget is nullptr, all widgets up to the currentIndex+count widgets will be popped.
/// If not specified, all widgets up to the depthOf(widget)+count widgets will be popped.
void popWidget(QWidget *widget = nullptr, bool isDelete = true,
int count = 1, bool enableTransition = true);
void clear();
int indexOf(QWidget *widget) const;
QWidget* getWidgetByIndex(int index) const;
void setTransition(DAbstractStackWidgetTransition* transition);
void setAnimationDuration(int animationDuration);
void setAnimationType(QEasingCurve::Type animationType);
Q_SIGNALS:
void busyChanged(bool busy);
void depthChanged(int depth);
void currentIndexChanged(int currentIndex);
void currentWidgetChanged(QWidget* currentWidget);
void widgetDepthChanged(QWidget *widget, int depth);
void switchWidgetFinished();
protected:
explicit DStackWidget(DStackWidgetPrivate &dd, QWidget *parent = 0);
void setCurrentIndex(int currentIndex,
DAbstractStackWidgetTransition::TransitionType type = DAbstractStackWidgetTransition::Push,
bool enableTransition = true);
void setCurrentWidget(QWidget* currentWidget,
DAbstractStackWidgetTransition::TransitionType type = DAbstractStackWidgetTransition::Push,
bool enableTransition = true);
private:
Q_DISABLE_COPY(DStackWidget)
D_DECLARE_PRIVATE(DStackWidget)
};
DWIDGET_END_NAMESPACE
#endif // DSTACKWIDGET_H
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