qgraphicswidget.h
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上传日期:2022-06-22
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- /****************************************************************************
- **
- ** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
- ** Contact: Qt Software Information (qt-info@nokia.com)
- **
- ** This file is part of the QtGui module of the Qt Toolkit.
- **
- ** Commercial Usage
- ** Licensees holding valid Qt Commercial licenses may use this file in
- ** accordance with the Qt Commercial License Agreement provided with the
- ** Software or, alternatively, in accordance with the terms contained in
- ** a written agreement between you and Nokia.
- **
- **
- ** GNU General Public License Usage
- ** Alternatively, this file may be used under the terms of the GNU
- ** General Public License versions 2.0 or 3.0 as published by the Free
- ** Software Foundation and appearing in the file LICENSE.GPL included in
- ** the packaging of this file. Please review the following information
- ** to ensure GNU General Public Licensing requirements will be met:
- ** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
- ** http://www.gnu.org/copyleft/gpl.html. In addition, as a special
- ** exception, Nokia gives you certain additional rights. These rights
- ** are described in the Nokia Qt GPL Exception version 1.3, included in
- ** the file GPL_EXCEPTION.txt in this package.
- **
- ** Qt for Windows(R) Licensees
- ** As a special exception, Nokia, as the sole copyright holder for Qt
- ** Designer, grants users of the Qt/Eclipse Integration plug-in the
- ** right for the Qt/Eclipse Integration to link to functionality
- ** provided by Qt Designer and its related libraries.
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- ** If you are unsure which license is appropriate for your use, please
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- ****************************************************************************/
- #ifndef QGRAPHICSWIDGET_H
- #define QGRAPHICSWIDGET_H
- #include <QtGui/qfont.h>
- #include <QtGui/qgraphicslayoutitem.h>
- #include <QtGui/qgraphicsitem.h>
- #include <QtGui/qpalette.h>
- QT_BEGIN_HEADER
- QT_BEGIN_NAMESPACE
- QT_MODULE(Gui)
- class QFont;
- class QFontMetrics;
- class QGraphicsLayout;
- class QGraphicsSceneMoveEvent;
- class QGraphicsWidgetPrivate;
- class QGraphicsSceneResizeEvent;
- class QStyle;
- class QStyleOption;
- #if !defined(QT_NO_GRAPHICSVIEW) || (QT_EDITION & QT_MODULE_GRAPHICSVIEW) != QT_MODULE_GRAPHICSVIEW
- class QGraphicsWidgetPrivate;
- class Q_GUI_EXPORT QGraphicsWidget : public QObject, public QGraphicsItem, public QGraphicsLayoutItem
- {
- Q_OBJECT
- Q_PROPERTY(QPalette palette READ palette WRITE setPalette)
- Q_PROPERTY(QFont font READ font WRITE setFont)
- Q_PROPERTY(Qt::LayoutDirection layoutDirection READ layoutDirection WRITE setLayoutDirection RESET unsetLayoutDirection)
- Q_PROPERTY(QSizeF size READ size WRITE resize)
- Q_PROPERTY(Qt::FocusPolicy focusPolicy READ focusPolicy WRITE setFocusPolicy)
- Q_PROPERTY(bool enabled READ isEnabled WRITE setEnabled)
- Q_PROPERTY(bool visible READ isVisible WRITE setVisible)
- Q_PROPERTY(Qt::WindowFlags windowFlags READ windowFlags WRITE setWindowFlags)
- Q_PROPERTY(QString windowTitle READ windowTitle WRITE setWindowTitle)
- public:
- QGraphicsWidget(QGraphicsItem *parent = 0, Qt::WindowFlags wFlags = 0);
- ~QGraphicsWidget();
- QGraphicsLayout *layout() const;
- void setLayout(QGraphicsLayout *layout);
- void adjustSize();
- Qt::LayoutDirection layoutDirection() const;
- void setLayoutDirection(Qt::LayoutDirection direction);
- void unsetLayoutDirection();
- QStyle *style() const;
- void setStyle(QStyle *style);
- QFont font() const;
- void setFont(const QFont &font);
- QPalette palette() const;
- void setPalette(const QPalette &palette);
- void resize(const QSizeF &size);
- inline void resize(qreal w, qreal h) { resize(QSizeF(w, h)); }
- QSizeF size() const;
- void setGeometry(const QRectF &rect);
- inline void setGeometry(qreal x, qreal y, qreal w, qreal h);
- inline QRectF rect() const { return QRectF(QPointF(), size()); }
- void setContentsMargins(qreal left, qreal top, qreal right, qreal bottom);
- void getContentsMargins(qreal *left, qreal *top, qreal *right, qreal *bottom) const;
- void setWindowFrameMargins(qreal left, qreal top, qreal right, qreal bottom);
- void getWindowFrameMargins(qreal *left, qreal *top, qreal *right, qreal *bottom) const;
- void unsetWindowFrameMargins();
- QRectF windowFrameGeometry() const;
- QRectF windowFrameRect() const;
- // Window handling
- Qt::WindowFlags windowFlags() const;
- Qt::WindowType windowType() const;
- void setWindowFlags(Qt::WindowFlags wFlags);
- bool isActiveWindow() const;
- void setWindowTitle(const QString &title);
- QString windowTitle() const;
- // Focus handling
- Qt::FocusPolicy focusPolicy() const;
- void setFocusPolicy(Qt::FocusPolicy policy);
- static void setTabOrder(QGraphicsWidget *first, QGraphicsWidget *second);
- QGraphicsWidget *focusWidget() const;
- void setAttribute(Qt::WidgetAttribute attribute, bool on = true);
- bool testAttribute(Qt::WidgetAttribute attribute) const;
- enum {
- Type = 11
- };
- int type() const;
- void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
- virtual void paintWindowFrame(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
- QRectF boundingRect() const;
- QPainterPath shape() const;
- #if 0
- static void dumpFocusChain(QGraphicsWidget *widget);
- #endif
- // ### Qt 5: Disambiguate
- #ifdef Q_NO_USING_KEYWORD
- const QObjectList &children() const { return QObject::children(); }
- #else
- using QObject::children;
- #endif
- public Q_SLOTS:
- bool close();
- protected:
- virtual void initStyleOption(QStyleOption *option) const;
- QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const;
- void updateGeometry();
- // Notification
- QVariant itemChange(GraphicsItemChange change, const QVariant &value);
- virtual QVariant propertyChange(const QString &propertyName, const QVariant &value);
- // Scene events
- bool sceneEvent(QEvent *event);
- virtual bool windowFrameEvent(QEvent *e);
- virtual Qt::WindowFrameSection windowFrameSectionAt(const QPointF& pos) const;
- // Base event handlers
- bool event(QEvent *event);
- //virtual void actionEvent(QActionEvent *event);
- virtual void changeEvent(QEvent *event);
- virtual void closeEvent(QCloseEvent *event);
- //void create(WId window = 0, bool initializeWindow = true, bool destroyOldWindow = true);
- //void destroy(bool destroyWindow = true, bool destroySubWindows = true);
- void focusInEvent(QFocusEvent *event);
- virtual bool focusNextPrevChild(bool next);
- void focusOutEvent(QFocusEvent *event);
- virtual void hideEvent(QHideEvent *event);
- //virtual bool macEvent(EventHandlerCallRef caller, EventRef event);
- //virtual int metric(PaintDeviceMetric m ) const;
- virtual void moveEvent(QGraphicsSceneMoveEvent *event);
- virtual void polishEvent();
- //virtual bool qwsEvent(QWSEvent *event);
- //void resetInputContext ();
- virtual void resizeEvent(QGraphicsSceneResizeEvent *event);
- virtual void showEvent(QShowEvent *event);
- //virtual void tabletEvent(QTabletEvent *event);
- //virtual bool winEvent(MSG *message, long *result);
- //virtual bool x11Event(XEvent *event);
- virtual void hoverMoveEvent(QGraphicsSceneHoverEvent *event);
- virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
- virtual void grabMouseEvent(QEvent *event);
- virtual void ungrabMouseEvent(QEvent *event);
- virtual void grabKeyboardEvent(QEvent *event);
- virtual void ungrabKeyboardEvent(QEvent *event);
- QGraphicsWidget(QGraphicsWidgetPrivate &, QGraphicsItem *parent, QGraphicsScene *, Qt::WindowFlags wFlags = 0);
- private:
- Q_DISABLE_COPY(QGraphicsWidget)
- Q_DECLARE_PRIVATE_D(QGraphicsItem::d_ptr, QGraphicsWidget)
- friend class QGraphicsScene;
- friend class QGraphicsScenePrivate;
- friend class QGraphicsView;
- friend class QGraphicsItem;
- friend class QGraphicsItemPrivate;
- friend class QGraphicsLayout;
- friend class QWidget;
- friend class QApplication;
- };
- inline void QGraphicsWidget::setGeometry(qreal ax, qreal ay, qreal aw, qreal ah)
- { setGeometry(QRectF(ax, ay, aw, ah)); }
- #endif
- QT_END_NAMESPACE
- QT_END_HEADER
- #endif