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2 | ** |
3 | ** Copyright (C) 2017 The Qt Company Ltd. |
4 | ** Contact: http://www.qt.io/licensing/ |
5 | ** |
6 | ** This file is part of the Qt Quick Templates 2 module of the Qt Toolkit. |
7 | ** |
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35 | ****************************************************************************/ |
36 | |
37 | #ifndef QQUICKSTACKVIEW_P_P_H |
38 | #define QQUICKSTACKVIEW_P_P_H |
39 | |
40 | // |
41 | // W A R N I N G |
42 | // ------------- |
43 | // |
44 | // This file is not part of the Qt API. It exists purely as an |
45 | // implementation detail. This header file may change from version to |
46 | // version without notice, or even be removed. |
47 | // |
48 | // We mean it. |
49 | // |
50 | |
51 | #include <QtQuickTemplates2/private/qquickstackview_p.h> |
52 | #include <QtQuickTemplates2/private/qquickcontrol_p_p.h> |
53 | #include <QtQuick/private/qquickitemviewtransition_p.h> |
54 | #include <QtQuick/private/qquickitemchangelistener_p.h> |
55 | #include <QtQml/private/qv4value_p.h> |
56 | #include <QtCore/qset.h> |
57 | #include <QtCore/qstack.h> |
58 | |
59 | QT_BEGIN_NAMESPACE |
60 | |
61 | class QQmlContextData; |
62 | class QQuickStackElement; |
63 | struct QQuickStackTransition; |
64 | |
65 | class QQuickStackViewPrivate : public QQuickControlPrivate, public QQuickItemViewTransitionChangeListener |
66 | { |
67 | Q_DECLARE_PUBLIC(QQuickStackView) |
68 | |
69 | public: |
70 | static QQuickStackViewPrivate *get(QQuickStackView *view) |
71 | { |
72 | return view->d_func(); |
73 | } |
74 | |
75 | void warn(const QString &error); |
76 | void warnOfInterruption(const QString &attemptedOperation); |
77 | |
78 | void setCurrentItem(QQuickStackElement *element); |
79 | |
80 | QList<QQuickStackElement *> parseElements(int from, QQmlV4Function *args, QStringList *errors); |
81 | QQuickStackElement *findElement(QQuickItem *item) const; |
82 | QQuickStackElement *findElement(const QV4::Value &value) const; |
83 | QQuickStackElement *createElement(const QV4::Value &value, QQmlContextData *context, QString *error); |
84 | bool pushElements(const QList<QQuickStackElement *> &elements); |
85 | bool pushElement(QQuickStackElement *element); |
86 | bool popElements(QQuickStackElement *element); |
87 | bool replaceElements(QQuickStackElement *element, const QList<QQuickStackElement *> &elements); |
88 | |
89 | void ensureTransitioner(); |
90 | void startTransition(const QQuickStackTransition &first, const QQuickStackTransition &second, bool immediate); |
91 | void completeTransition(QQuickStackElement *element, QQuickTransition *transition, QQuickStackView::Status status); |
92 | |
93 | void viewItemTransitionFinished(QQuickItemViewTransitionableItem *item) override; |
94 | void setBusy(bool busy); |
95 | void depthChange(int newDepth, int oldDepth); |
96 | |
97 | bool busy = false; |
98 | bool modifyingElements = false; |
99 | QString operation; |
100 | QJSValue initialItem; |
101 | QQuickItem *currentItem = nullptr; |
102 | QSet<QQuickStackElement*> removing; |
103 | QList<QQuickStackElement*> removed; |
104 | QStack<QQuickStackElement *> elements; |
105 | QQuickItemViewTransitioner *transitioner = nullptr; |
106 | }; |
107 | |
108 | class QQuickStackViewAttachedPrivate : public QObjectPrivate, public QQuickItemChangeListener |
109 | { |
110 | Q_DECLARE_PUBLIC(QQuickStackViewAttached) |
111 | |
112 | public: |
113 | static QQuickStackViewAttachedPrivate *get(QQuickStackViewAttached *attached) |
114 | { |
115 | return attached->d_func(); |
116 | } |
117 | |
118 | void itemParentChanged(QQuickItem *item, QQuickItem *parent) override; |
119 | |
120 | bool explicitVisible = false; |
121 | QQuickStackElement *element = nullptr; |
122 | }; |
123 | |
124 | QT_END_NAMESPACE |
125 | |
126 | #endif // QQUICKSTACKVIEW_P_P_H |
127 | |