1 | // Copyright (C) 2016 The Qt Company Ltd. |
2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
3 | |
4 | #ifndef QSCROLLAREA_H |
5 | #define QSCROLLAREA_H |
6 | |
7 | #include <QtWidgets/qtwidgetsglobal.h> |
8 | #include <QtWidgets/qabstractscrollarea.h> |
9 | |
10 | QT_REQUIRE_CONFIG(scrollarea); |
11 | |
12 | QT_BEGIN_NAMESPACE |
13 | |
14 | class QScrollAreaPrivate; |
15 | |
16 | class Q_WIDGETS_EXPORT QScrollArea : public QAbstractScrollArea |
17 | { |
18 | Q_OBJECT |
19 | Q_PROPERTY(bool widgetResizable READ widgetResizable WRITE setWidgetResizable) |
20 | Q_PROPERTY(Qt::Alignment alignment READ alignment WRITE setAlignment) |
21 | |
22 | public: |
23 | explicit QScrollArea(QWidget *parent = nullptr); |
24 | ~QScrollArea(); |
25 | |
26 | QWidget *widget() const; |
27 | void setWidget(QWidget *widget); |
28 | QWidget *takeWidget(); |
29 | |
30 | bool widgetResizable() const; |
31 | void setWidgetResizable(bool resizable); |
32 | |
33 | QSize sizeHint() const override; |
34 | |
35 | bool focusNextPrevChild(bool next) override; |
36 | |
37 | Qt::Alignment alignment() const; |
38 | void setAlignment(Qt::Alignment); |
39 | |
40 | void ensureVisible(int x, int y, int xmargin = 50, int ymargin = 50); |
41 | void ensureWidgetVisible(QWidget *childWidget, int xmargin = 50, int ymargin = 50); |
42 | |
43 | protected: |
44 | QScrollArea(QScrollAreaPrivate &dd, QWidget *parent = nullptr); |
45 | bool event(QEvent *) override; |
46 | bool eventFilter(QObject *, QEvent *) override; |
47 | void resizeEvent(QResizeEvent *) override; |
48 | void scrollContentsBy(int dx, int dy) override; |
49 | |
50 | QSize viewportSizeHint() const override; |
51 | |
52 | private: |
53 | Q_DECLARE_PRIVATE(QScrollArea) |
54 | Q_DISABLE_COPY(QScrollArea) |
55 | }; |
56 | |
57 | QT_END_NAMESPACE |
58 | |
59 | #endif // QSCROLLAREA_H |
60 | |