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