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39
40#ifndef QGRAPHICSWIDGET_H
41#define QGRAPHICSWIDGET_H
42
43#include <QtWidgets/qtwidgetsglobal.h>
44#include <QtGui/qfont.h>
45#if QT_CONFIG(action)
46# include <QtGui/qaction.h>
47#endif
48#include <QtWidgets/qgraphicslayoutitem.h>
49#include <QtWidgets/qgraphicsitem.h>
50#include <QtGui/qpalette.h>
51
52QT_REQUIRE_CONFIG(graphicsview);
53
54QT_BEGIN_NAMESPACE
55
56class QFont;
57class QFontMetrics;
58class QGraphicsLayout;
59class QGraphicsSceneMoveEvent;
60class QGraphicsWidgetPrivate;
61class QGraphicsSceneResizeEvent;
62class QStyle;
63class QStyleOption;
64
65class QGraphicsWidgetPrivate;
66
67class Q_WIDGETS_EXPORT QGraphicsWidget : public QGraphicsObject, public QGraphicsLayoutItem
68{
69 Q_OBJECT
70 Q_INTERFACES(QGraphicsItem QGraphicsLayoutItem)
71 Q_PROPERTY(QPalette palette READ palette WRITE setPalette)
72 Q_PROPERTY(QFont font READ font WRITE setFont)
73 Q_PROPERTY(Qt::LayoutDirection layoutDirection READ layoutDirection WRITE setLayoutDirection RESET unsetLayoutDirection)
74 Q_PROPERTY(QSizeF size READ size WRITE resize NOTIFY geometryChanged)
75 Q_PROPERTY(QSizeF minimumSize READ minimumSize WRITE setMinimumSize)
76 Q_PROPERTY(QSizeF preferredSize READ preferredSize WRITE setPreferredSize)
77 Q_PROPERTY(QSizeF maximumSize READ maximumSize WRITE setMaximumSize)
78 Q_PROPERTY(QSizePolicy sizePolicy READ sizePolicy WRITE setSizePolicy)
79 Q_PROPERTY(Qt::FocusPolicy focusPolicy READ focusPolicy WRITE setFocusPolicy)
80 Q_PROPERTY(Qt::WindowFlags windowFlags READ windowFlags WRITE setWindowFlags)
81 Q_PROPERTY(QString windowTitle READ windowTitle WRITE setWindowTitle)
82 Q_PROPERTY(QRectF geometry READ geometry WRITE setGeometry NOTIFY geometryChanged)
83 Q_PROPERTY(bool autoFillBackground READ autoFillBackground WRITE setAutoFillBackground)
84 Q_PROPERTY(QGraphicsLayout* layout READ layout WRITE setLayout NOTIFY layoutChanged)
85public:
86 QGraphicsWidget(QGraphicsItem *parent = nullptr, Qt::WindowFlags wFlags = Qt::WindowFlags());
87 ~QGraphicsWidget();
88 QGraphicsLayout *layout() const;
89 void setLayout(QGraphicsLayout *layout);
90 void adjustSize();
91
92 Qt::LayoutDirection layoutDirection() const;
93 void setLayoutDirection(Qt::LayoutDirection direction);
94 void unsetLayoutDirection();
95
96 QStyle *style() const;
97 void setStyle(QStyle *style);
98
99 QFont font() const;
100 void setFont(const QFont &font);
101
102 QPalette palette() const;
103 void setPalette(const QPalette &palette);
104
105 bool autoFillBackground() const;
106 void setAutoFillBackground(bool enabled);
107
108 void resize(const QSizeF &size);
109 inline void resize(qreal w, qreal h) { resize(QSizeF(w, h)); }
110 QSizeF size() const;
111
112 void setGeometry(const QRectF &rect) override;
113 inline void setGeometry(qreal x, qreal y, qreal w, qreal h);
114 inline QRectF rect() const { return QRectF(QPointF(), size()); }
115
116 void setContentsMargins(qreal left, qreal top, qreal right, qreal bottom);
117 void setContentsMargins(QMarginsF margins);
118 void getContentsMargins(qreal *left, qreal *top, qreal *right, qreal *bottom) const override;
119
120 void setWindowFrameMargins(qreal left, qreal top, qreal right, qreal bottom);
121 void setWindowFrameMargins(QMarginsF margins);
122 void getWindowFrameMargins(qreal *left, qreal *top, qreal *right, qreal *bottom) const;
123 void unsetWindowFrameMargins();
124 QRectF windowFrameGeometry() const;
125 QRectF windowFrameRect() const;
126
127 // Window handling
128 Qt::WindowFlags windowFlags() const;
129 Qt::WindowType windowType() const;
130 void setWindowFlags(Qt::WindowFlags wFlags);
131 bool isActiveWindow() const;
132 void setWindowTitle(const QString &title);
133 QString windowTitle() const;
134
135 // Focus handling
136 Qt::FocusPolicy focusPolicy() const;
137 void setFocusPolicy(Qt::FocusPolicy policy);
138 static void setTabOrder(QGraphicsWidget *first, QGraphicsWidget *second);
139 QGraphicsWidget *focusWidget() const;
140
141#ifndef QT_NO_SHORTCUT
142 int grabShortcut(const QKeySequence &sequence, Qt::ShortcutContext context = Qt::WindowShortcut);
143 void releaseShortcut(int id);
144 void setShortcutEnabled(int id, bool enabled = true);
145 void setShortcutAutoRepeat(int id, bool enabled = true);
146#endif
147
148#ifndef QT_NO_ACTION
149 //actions
150 void addAction(QAction *action);
151 void addActions(const QList<QAction*> &actions);
152 void insertActions(QAction *before, const QList<QAction*> &actions);
153 void insertAction(QAction *before, QAction *action);
154 void removeAction(QAction *action);
155 QList<QAction*> actions() const;
156#endif
157
158 void setAttribute(Qt::WidgetAttribute attribute, bool on = true);
159 bool testAttribute(Qt::WidgetAttribute attribute) const;
160
161 enum {
162 Type = 11
163 };
164 int type() const override;
165
166 void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = nullptr) override;
167 virtual void paintWindowFrame(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = nullptr);
168 QRectF boundingRect() const override;
169 QPainterPath shape() const override;
170
171#if 0
172 void dumpFocusChain();
173#endif
174
175 using QObject::children;
176
177Q_SIGNALS:
178 void geometryChanged();
179 void layoutChanged();
180
181public Q_SLOTS:
182 bool close();
183
184protected:
185 virtual void initStyleOption(QStyleOption *option) const;
186
187 QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const override;
188 void updateGeometry() override;
189
190 // Notification
191 QVariant itemChange(GraphicsItemChange change, const QVariant &value) override;
192 virtual QVariant propertyChange(const QString &propertyName, const QVariant &value);
193
194 // Scene events
195 bool sceneEvent(QEvent *event) override;
196 virtual bool windowFrameEvent(QEvent *e);
197 virtual Qt::WindowFrameSection windowFrameSectionAt(const QPointF& pos) const;
198
199 // Base event handlers
200 bool event(QEvent *event) override;
201 //virtual void actionEvent(QActionEvent *event);
202 virtual void changeEvent(QEvent *event);
203 virtual void closeEvent(QCloseEvent *event);
204 //void create(WId window = 0, bool initializeWindow = true, bool destroyOldWindow = true);
205 //void destroy(bool destroyWindow = true, bool destroySubWindows = true);
206 void focusInEvent(QFocusEvent *event) override;
207 virtual bool focusNextPrevChild(bool next);
208 void focusOutEvent(QFocusEvent *event) override;
209 virtual void hideEvent(QHideEvent *event);
210 //virtual int metric(PaintDeviceMetric m ) const;
211 virtual void moveEvent(QGraphicsSceneMoveEvent *event);
212 virtual void polishEvent();
213 //void resetInputContext ();
214 virtual void resizeEvent(QGraphicsSceneResizeEvent *event);
215 virtual void showEvent(QShowEvent *event);
216 //virtual void tabletEvent(QTabletEvent *event);
217 virtual void hoverMoveEvent(QGraphicsSceneHoverEvent *event) override;
218 virtual void hoverLeaveEvent(QGraphicsSceneHoverEvent *event) override;
219 virtual void grabMouseEvent(QEvent *event);
220 virtual void ungrabMouseEvent(QEvent *event);
221 virtual void grabKeyboardEvent(QEvent *event);
222 virtual void ungrabKeyboardEvent(QEvent *event);
223 QGraphicsWidget(QGraphicsWidgetPrivate &, QGraphicsItem *parent, Qt::WindowFlags wFlags = Qt::WindowFlags());
224
225private:
226 Q_DISABLE_COPY(QGraphicsWidget)
227 Q_DECLARE_PRIVATE_D(QGraphicsItem::d_ptr.data(), QGraphicsWidget)
228 friend class QGraphicsScene;
229 friend class QGraphicsScenePrivate;
230 friend class QGraphicsView;
231 friend class QGraphicsItem;
232 friend class QGraphicsItemPrivate;
233 friend class QGraphicsLayout;
234 friend class QWidget;
235 friend class QApplication;
236};
237
238inline void QGraphicsWidget::setGeometry(qreal ax, qreal ay, qreal aw, qreal ah)
239{ setGeometry(QRectF(ax, ay, aw, ah)); }
240
241QT_END_NAMESPACE
242
243#endif
244
245