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Diffstat (limited to 'src/quicktemplates/qquickscrollbar_p_p.h')
-rw-r--r-- | src/quicktemplates/qquickscrollbar_p_p.h | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/src/quicktemplates/qquickscrollbar_p_p.h b/src/quicktemplates/qquickscrollbar_p_p.h new file mode 100644 index 0000000000..2a834ce71e --- /dev/null +++ b/src/quicktemplates/qquickscrollbar_p_p.h @@ -0,0 +1,118 @@ +// Copyright (C) 2017 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only + +#ifndef QQUICKSCROLLBAR_P_P_H +#define QQUICKSCROLLBAR_P_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. +// + +#include <QtQuickTemplates2/private/qquickscrollbar_p.h> +#include <QtQuickTemplates2/private/qquickcontrol_p_p.h> +#include <QtQuick/private/qquickitemchangelistener_p.h> + +QT_BEGIN_NAMESPACE + +class QQuickFlickable; +class QQuickIndicatorButton; + +class QQuickScrollBarPrivate : public QQuickControlPrivate +{ + Q_DECLARE_PUBLIC(QQuickScrollBar) + +public: + static QQuickScrollBarPrivate *get(QQuickScrollBar *bar) + { + return bar->d_func(); + } + + struct VisualArea + { + VisualArea(qreal pos, qreal sz) + : position(pos), size(sz) { } + qreal position = 0; + qreal size = 0; + }; + VisualArea visualArea() const; + + qreal logicalPosition(qreal position) const; + + void setPosition(qreal position, bool notifyVisualChange = true); + qreal snapPosition(qreal position) const; + qreal positionAt(const QPointF &point) const; + void setInteractive(bool interactive); + void updateActive(); + void resizeContent() override; + void itemImplicitWidthChanged(QQuickItem *item) override; + void itemImplicitHeightChanged(QQuickItem *item) override; + + bool handlePress(const QPointF &point, ulong timestamp) override; + bool handleMove(const QPointF &point, ulong timestamp) override; + bool handleRelease(const QPointF &point, ulong timestamp) override; + void handleUngrab() override; + + void visualAreaChange(const VisualArea &newVisualArea, const VisualArea &oldVisualArea); + + void updateHover(const QPointF &pos, std::optional<bool> newHoverState = {}); + + QQuickIndicatorButton *decreaseVisual = nullptr; + QQuickIndicatorButton *increaseVisual = nullptr; + qreal size = 0; + qreal position = 0; + qreal stepSize = 0; + qreal offset = 0; + qreal minimumSize = 0; + bool active = false; + bool pressed = false; + bool moving = false; + bool interactive = true; + bool explicitInteractive = false; + Qt::Orientation orientation = Qt::Vertical; + QQuickScrollBar::SnapMode snapMode = QQuickScrollBar::NoSnap; + QQuickScrollBar::Policy policy = QQuickScrollBar::AsNeeded; +}; + +class QQuickScrollBarAttachedPrivate : public QObjectPrivate, public QQuickItemChangeListener +{ +public: + static QQuickScrollBarAttachedPrivate *get(QQuickScrollBarAttached *attached) + { + return attached->d_func(); + } + + void setFlickable(QQuickFlickable *flickable); + + void initHorizontal(); + void initVertical(); + void cleanupHorizontal(); + void cleanupVertical(); + void activateHorizontal(); + void activateVertical(); + void scrollHorizontal(); + void scrollVertical(); + void mirrorVertical(); + + void layoutHorizontal(bool move = true); + void layoutVertical(bool move = true); + + void itemGeometryChanged(QQuickItem *item, QQuickGeometryChange change, const QRectF &diff) override; + void itemImplicitWidthChanged(QQuickItem *item) override; + void itemImplicitHeightChanged(QQuickItem *item) override; + void itemDestroyed(QQuickItem *item) override; + + QQuickFlickable *flickable = nullptr; + QQuickScrollBar *horizontal = nullptr; + QQuickScrollBar *vertical = nullptr; +}; + +QT_END_NAMESPACE + +#endif // QQUICKSCROLLBAR_P_P_H |