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39
40#ifndef QMDISUBWINDOW_H
41#define QMDISUBWINDOW_H
42
43#include <QtWidgets/qtwidgetsglobal.h>
44#include <QtWidgets/qwidget.h>
45
46QT_REQUIRE_CONFIG(mdiarea);
47
48QT_BEGIN_NAMESPACE
49
50class QMenu;
51class QMdiArea;
52
53namespace QMdi { class ControlContainer; }
54class QMdiSubWindowPrivate;
55class Q_WIDGETS_EXPORT QMdiSubWindow : public QWidget
56{
57 Q_OBJECT
58 Q_PROPERTY(int keyboardSingleStep READ keyboardSingleStep WRITE setKeyboardSingleStep)
59 Q_PROPERTY(int keyboardPageStep READ keyboardPageStep WRITE setKeyboardPageStep)
60public:
61 enum SubWindowOption {
62 AllowOutsideAreaHorizontally = 0x1, // internal
63 AllowOutsideAreaVertically = 0x2, // internal
64 RubberBandResize = 0x4,
65 RubberBandMove = 0x8
66 };
67 Q_DECLARE_FLAGS(SubWindowOptions, SubWindowOption)
68
69 QMdiSubWindow(QWidget *parent = nullptr, Qt::WindowFlags flags = Qt::WindowFlags());
70 ~QMdiSubWindow();
71
72 QSize sizeHint() const override;
73 QSize minimumSizeHint() const override;
74
75 void setWidget(QWidget *widget);
76 QWidget *widget() const;
77
78 QWidget *maximizedButtonsWidget() const; // internal
79 QWidget *maximizedSystemMenuIconWidget() const; // internal
80
81 bool isShaded() const;
82
83 void setOption(SubWindowOption option, bool on = true);
84 bool testOption(SubWindowOption) const;
85
86 void setKeyboardSingleStep(int step);
87 int keyboardSingleStep() const;
88
89 void setKeyboardPageStep(int step);
90 int keyboardPageStep() const;
91
92#if QT_CONFIG(menu)
93 void setSystemMenu(QMenu *systemMenu);
94 QMenu *systemMenu() const;
95#endif
96
97 QMdiArea *mdiArea() const;
98
99Q_SIGNALS:
100 void windowStateChanged(Qt::WindowStates oldState, Qt::WindowStates newState);
101 void aboutToActivate();
102
103public Q_SLOTS:
104#if QT_CONFIG(menu)
105 void showSystemMenu();
106#endif
107 void showShaded();
108
109protected:
110 bool eventFilter(QObject *object, QEvent *event) override;
111 bool event(QEvent *event) override;
112 void showEvent(QShowEvent *showEvent) override;
113 void hideEvent(QHideEvent *hideEvent) override;
114 void changeEvent(QEvent *changeEvent) override;
115 void closeEvent(QCloseEvent *closeEvent) override;
116 void leaveEvent(QEvent *leaveEvent) override;
117 void resizeEvent(QResizeEvent *resizeEvent) override;
118 void timerEvent(QTimerEvent *timerEvent) override;
119 void moveEvent(QMoveEvent *moveEvent) override;
120 void paintEvent(QPaintEvent *paintEvent) override;
121 void mousePressEvent(QMouseEvent *mouseEvent) override;
122 void mouseDoubleClickEvent(QMouseEvent *mouseEvent) override;
123 void mouseReleaseEvent(QMouseEvent *mouseEvent) override;
124 void mouseMoveEvent(QMouseEvent *mouseEvent) override;
125 void keyPressEvent(QKeyEvent *keyEvent) override;
126#ifndef QT_NO_CONTEXTMENU
127 void contextMenuEvent(QContextMenuEvent *contextMenuEvent) override;
128#endif
129 void focusInEvent(QFocusEvent *focusInEvent) override;
130 void focusOutEvent(QFocusEvent *focusOutEvent) override;
131 void childEvent(QChildEvent *childEvent) override;
132
133private:
134 Q_DISABLE_COPY(QMdiSubWindow)
135 Q_DECLARE_PRIVATE(QMdiSubWindow)
136 Q_PRIVATE_SLOT(d_func(), void _q_updateStaysOnTopHint())
137 Q_PRIVATE_SLOT(d_func(), void _q_enterInteractiveMode())
138 Q_PRIVATE_SLOT(d_func(), void _q_processFocusChanged(QWidget *, QWidget *))
139 friend class QMdiAreaPrivate;
140#if QT_CONFIG(tabbar)
141 friend class QMdiAreaTabBar;
142#endif
143 friend class QMdi::ControlContainer;
144};
145
146Q_DECLARE_OPERATORS_FOR_FLAGS(QMdiSubWindow::SubWindowOptions)
147
148QT_END_NAMESPACE
149
150#endif // QMDISUBWINDOW_H
151

source code of qtbase/src/widgets/widgets/qmdisubwindow.h