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39
40#ifndef QQMLPREVIEWPOSITION_H
41#define QQMLPREVIEWPOSITION_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is not part of the Qt API. It exists purely as an
48// implementation detail. This header file may change from version to
49// version without notice, or even be removed.
50//
51// We mean it.
52//
53
54#include <QtCore/qvector.h>
55#include <QtCore/qpoint.h>
56#include <QtCore/qurl.h>
57#include <QtCore/qtimer.h>
58#include <QtCore/qsettings.h>
59#include <QtCore/qrect.h>
60#include <QtCore/qdatastream.h>
61
62QT_BEGIN_NAMESPACE
63
64class QWindow;
65
66class QQmlPreviewPosition
67{
68public:
69 class ScreenData {
70 public:
71 bool operator==(const QQmlPreviewPosition::ScreenData &other) const;
72 QString name;
73 QRect rect;
74 };
75 class Position {
76 public:
77 QString screenName;
78 QPoint nativePosition;
79 };
80 enum InitializeState {
81 InitializePosition,
82 PositionInitialized
83 };
84
85 QQmlPreviewPosition();
86 ~QQmlPreviewPosition();
87
88
89 void takePosition(QWindow *window, InitializeState state = PositionInitialized);
90 void initLastSavedWindowPosition(QWindow *window);
91 void loadWindowPositionSettings(const QUrl &url);
92
93private:
94 void setPosition(const QQmlPreviewPosition::Position &position, QWindow *window);
95 QByteArray fromPositionToByteArray(const Position &position);
96 void readLastPositionFromByteArray(const QByteArray &array);
97 void saveWindowPosition();
98
99 bool m_hasPosition = false;
100 InitializeState m_initializeState = InitializePosition;
101 QSettings m_settings;
102 QString m_settingsKey;
103 QTimer m_savePositionTimer;
104 Position m_lastWindowPosition;
105 QVector<QWindow *> m_positionedWindows;
106
107 QVector<ScreenData> m_currentInitScreensData;
108};
109
110QT_END_NAMESPACE
111
112#endif // QQMLPREVIEWPOSITION_H
113

source code of qtdeclarative/src/plugins/qmltooling/qmldbg_preview/qqmlpreviewposition.h