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qqmlexpression.h

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1/****************************************************************************-
2**-
3** Copyright (C) 2016 The Qt Company Ltd.-
4** Contact: https://www.qt.io/licensing/-
5**-
6** This file is part of the QtQml module of the Qt Toolkit.-
7**-
8** $QT_BEGIN_LICENSE:LGPL$-
9** Commercial License Usage-
10** Licensees holding valid commercial Qt licenses may use this file in-
11** accordance with the commercial license agreement provided with the-
12** Software or, alternatively, in accordance with the terms contained in-
13** a written agreement between you and The Qt Company. For licensing terms-
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15** information use the contact form at https://www.qt.io/contact-us.-
16**-
17** GNU Lesser General Public License Usage-
18** Alternatively, this file may be used under the terms of the GNU Lesser-
19** General Public License version 3 as published by the Free Software-
20** Foundation and appearing in the file LICENSE.LGPL3 included in the-
21** packaging of this file. Please review the following information to-
22** ensure the GNU Lesser General Public License version 3 requirements-
23** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.-
24**-
25** GNU General Public License Usage-
26** Alternatively, this file may be used under the terms of the GNU-
27** General Public License version 2.0 or (at your option) the GNU General-
28** Public license version 3 or any later version approved by the KDE Free-
29** Qt Foundation. The licenses are as published by the Free Software-
30** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3-
31** included in the packaging of this file. Please review the following-
32** information to ensure the GNU General Public License requirements will-
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35**-
36** $QT_END_LICENSE$-
37**-
38****************************************************************************/-
39-
40#ifndef QQMLEXPRESSION_H-
41#define QQMLEXPRESSION_H-
42-
43#include <QtQml/qqmlerror.h>-
44#include <QtQml/qqmlscriptstring.h>-
45-
46#include <QtCore/qobject.h>-
47#include <QtCore/qvariant.h>-
48-
49QT_BEGIN_NAMESPACE-
50-
51-
52class QString;-
53class QQmlRefCount;-
54class QQmlEngine;-
55class QQmlContext;-
56class QQmlExpressionPrivate;-
57class QQmlContextData;-
58class Q_QML_EXPORT QQmlExpression : public QObject-
59{-
60 Q_OBJECT-
61public:-
62 QQmlExpression();-
63 QQmlExpression(QQmlContext *, QObject *, const QString &, QObject * = nullptr);-
64 explicit QQmlExpression(const QQmlScriptString &, QQmlContext * = nullptr, QObject * = nullptr, QObject * = nullptr);-
65 ~QQmlExpression() override;-
66-
67 QQmlEngine *engine() const;-
68 QQmlContext *context() const;-
69-
70 QString expression() const;-
71 void setExpression(const QString &);-
72-
73 bool notifyOnValueChanged() const;-
74 void setNotifyOnValueChanged(bool);-
75-
76 QString sourceFile() const;-
77 int lineNumber() const;-
78 int columnNumber() const;-
79 void setSourceLocation(const QString &fileName, int line, int column = 0);-
80-
81 QObject *scopeObject() const;-
82-
83 bool hasError() const;-
84 void clearError();-
85 QQmlError error() const;-
86-
87 QVariant evaluate(bool *valueIsUndefined = nullptr);-
88-
89Q_SIGNALS:-
90 void valueChanged();-
91-
92private:-
93 QQmlExpression(QQmlContextData *, QObject *, const QString &);-
94-
95 Q_DISABLE_COPY(QQmlExpression)-
96 Q_DECLARE_PRIVATE(QQmlExpression)
executed 2261174 times by 22 tests: return reinterpret_cast<QQmlExpressionPrivate *>(qGetPtrHelper(d_ptr));
Executed by:
  • tst_examples
  • tst_qqmlcontext
  • tst_qqmlecmascript
  • tst_qqmlenginedebugservice
  • tst_qqmlexpression
  • tst_qqmllistmodel
  • tst_qqmllistmodelworkerscript
  • tst_qqmlstatemachine
  • tst_qqmlxmlhttprequest
  • tst_qquickanimations
  • tst_qquickbehaviors
  • tst_qquickdrag
  • tst_qquickdroparea
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquickpathview
  • tst_qquickpositioners
  • tst_qquickrepeater
  • tst_qquickstates
  • tst_qquicktextinput
  • tst_qquickvisualdatamodel
  • tst_scenegraph
executed 1215316 times by 22 tests: return reinterpret_cast<const QQmlExpressionPrivate *>(qGetPtrHelper(d_ptr));
Executed by:
  • tst_examples
  • tst_qqmlcontext
  • tst_qqmlecmascript
  • tst_qqmlenginedebugservice
  • tst_qqmlexpression
  • tst_qqmllistmodel
  • tst_qqmllistmodelworkerscript
  • tst_qqmlstatemachine
  • tst_qqmlxmlhttprequest
  • tst_qquickanimations
  • tst_qquickbehaviors
  • tst_qquickdrag
  • tst_qquickdroparea
  • tst_qquickgridview
  • tst_qquicklistview
  • tst_qquickpathview
  • tst_qquickpositioners
  • tst_qquickrepeater
  • tst_qquickstates
  • tst_qquicktextinput
  • tst_qquickvisualdatamodel
  • tst_scenegraph
1215316-2261174
97 friend class QQmlDebugger;-
98 friend class QQmlContext;-
99};-
100-
101QT_END_NAMESPACE-
102-
103#endif // QQMLEXPRESSION_H-
104-
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