dela
ab1accc821
Batch of performance and animation work: shared FadeHelper/MotionPrefs primitives, hover animators, shadow pixmap caching, smooth scrolling, seek time bubble, and widespread component repaint reductions.
79 lines
2.1 KiB
C++
79 lines
2.1 KiB
C++
#ifndef SLIDINGSTACKEDWIDGET_H
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#define SLIDINGSTACKEDWIDGET_H
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#include <QStackedWidget>
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#include <QEasingCurve>
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#include <QElapsedTimer>
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#include <QList>
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#include <QPoint>
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#include <QPointer>
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#include <QRect>
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#include <QTimer>
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class QLabel;
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class SlidingStackedWidget : public QStackedWidget
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{
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Q_OBJECT
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public:
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enum SlideDirection {
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LeftToRight,
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RightToLeft,
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TopToBottom,
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BottomToTop,
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Automatic
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};
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explicit SlidingStackedWidget(QWidget *parent = nullptr);
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void setSpeed(int speed);
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void setEasingCurve(QEasingCurve::Type curveType);
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void slideInIdx(int idx, SlideDirection direction = Automatic);
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void slideInWgt(QWidget *widget, SlideDirection direction = Automatic);
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// Instant switch (no slide), safely finishing any in-flight animation.
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// For targets with their own entrance animation (e.g. the player view).
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void jumpToIdx(int idx);
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void jumpToWgt(QWidget *widget);
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void disposeWidgetWhenSafe(QWidget *widget);
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Q_SIGNALS:
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void animationFinished();
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private Q_SLOTS:
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void animationDoneSlot();
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private:
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QLabel *createSnapshotLabel(QWidget *source, const QRect &geometry);
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void clearSnapshotLabels();
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void startSlideAnimation(QWidget *widgetNow, const QPoint &nowStart,
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const QPoint &nowEnd, QWidget *widgetNext,
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const QPoint &nextStart,
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const QPoint &nextEnd);
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void updateSlideAnimation();
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int animationFrameIntervalMs() const;
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void flushPendingWidgetDisposals();
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int m_speed;
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QEasingCurve::Type m_animationType;
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QTimer m_slideTimer;
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QElapsedTimer m_slideClock;
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QPointer<QWidget> m_animWidgetNow;
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QPointer<QWidget> m_animWidgetNext;
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QPoint m_animNowStart;
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QPoint m_animNowEnd;
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QPoint m_animNextStart;
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QPoint m_animNextEnd;
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bool m_isAnimating;
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int m_nextIndex;
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QList<QPointer<QWidget>> m_pendingWidgetDisposals;
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QLabel* m_currentSnapshotLabel = nullptr;
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QLabel* m_nextSnapshotLabel = nullptr;
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};
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#endif
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