1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2016 The Qt Company Ltd. 4 ** Contact: https://www.qt.io/licensing/ 5 ** 6 ** This file is part of the QtWidgets module of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see https://www.qt.io/terms-conditions. For further 15 ** information use the contact form at https://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 3 as published by the Free Software 20 ** Foundation and appearing in the file LICENSE.LGPL3 included in the 21 ** packaging of this file. Please review the following information to 22 ** ensure the GNU Lesser General Public License version 3 requirements 23 ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. 24 ** 25 ** GNU General Public License Usage 26 ** Alternatively, this file may be used under the terms of the GNU 27 ** General Public License version 2.0 or (at your option) the GNU General 28 ** Public license version 3 or any later version approved by the KDE Free 29 ** Qt Foundation. The licenses are as published by the Free Software 30 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 31 ** included in the packaging of this file. Please review the following 32 ** information to ensure the GNU General Public License requirements will 33 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and 34 ** https://www.gnu.org/licenses/gpl-3.0.html. 35 ** 36 ** $QT_END_LICENSE$ 37 ** 38 ****************************************************************************/ 39 40 #ifndef QGRAPHICSPROXYWIDGET_H 41 #define QGRAPHICSPROXYWIDGET_H 42 43 #include <QtWidgets/qtwidgetsglobal.h> 44 #include <QtWidgets/qgraphicswidget.h> 45 46 QT_REQUIRE_CONFIG(graphicsview); 47 48 QT_BEGIN_NAMESPACE 49 50 class QGraphicsProxyWidgetPrivate; 51 52 class Q_WIDGETS_EXPORT QGraphicsProxyWidget : public QGraphicsWidget 53 { 54 Q_OBJECT 55 public: 56 QGraphicsProxyWidget(QGraphicsItem *parent = nullptr, Qt::WindowFlags wFlags = Qt::WindowFlags()); 57 ~QGraphicsProxyWidget(); 58 59 void setWidget(QWidget *widget); 60 QWidget *widget() const; 61 62 QRectF subWidgetRect(const QWidget *widget) const; 63 64 void setGeometry(const QRectF &rect) override; 65 66 void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override; 67 68 enum { 69 Type = 12 70 }; 71 int type() const override; 72 73 QGraphicsProxyWidget *createProxyForChildWidget(QWidget *child); 74 75 protected: 76 QVariant itemChange(GraphicsItemChange change, const QVariant &value) override; 77 78 bool event(QEvent *event) override; 79 bool eventFilter(QObject *object, QEvent *event) override; 80 81 void showEvent(QShowEvent *event) override; 82 void hideEvent(QHideEvent *event) override; 83 84 #ifndef QT_NO_CONTEXTMENU 85 void contextMenuEvent(QGraphicsSceneContextMenuEvent *event) override; 86 #endif 87 88 #if QT_CONFIG(draganddrop) 89 void dragEnterEvent(QGraphicsSceneDragDropEvent *event) override; 90 void dragLeaveEvent(QGraphicsSceneDragDropEvent *event) override; 91 void dragMoveEvent(QGraphicsSceneDragDropEvent *event) override; 92 void dropEvent(QGraphicsSceneDragDropEvent *event) override; 93 #endif 94 95 void hoverEnterEvent(QGraphicsSceneHoverEvent *event) override; 96 void hoverLeaveEvent(QGraphicsSceneHoverEvent *event) override; 97 void hoverMoveEvent(QGraphicsSceneHoverEvent *event) override; 98 void grabMouseEvent(QEvent *event) override; 99 void ungrabMouseEvent(QEvent *event) override; 100 101 void mouseMoveEvent(QGraphicsSceneMouseEvent *event) override; 102 void mousePressEvent(QGraphicsSceneMouseEvent *event) override; 103 void mouseReleaseEvent(QGraphicsSceneMouseEvent *event) override; 104 void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event) override; 105 #if QT_CONFIG(wheelevent) 106 void wheelEvent(QGraphicsSceneWheelEvent *event) override; 107 #endif 108 109 void keyPressEvent(QKeyEvent *event) override; 110 void keyReleaseEvent(QKeyEvent *event) override; 111 112 void focusInEvent(QFocusEvent *event) override; 113 void focusOutEvent(QFocusEvent *event) override; 114 bool focusNextPrevChild(bool next) override; 115 116 QVariant inputMethodQuery(Qt::InputMethodQuery query) const override; 117 void inputMethodEvent(QInputMethodEvent *event) override; 118 119 QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const override; 120 void resizeEvent(QGraphicsSceneResizeEvent *event) override; 121 122 protected Q_SLOTS: 123 QGraphicsProxyWidget *newProxyWidget(const QWidget *); 124 125 private: 126 Q_DISABLE_COPY(QGraphicsProxyWidget) 127 Q_DECLARE_PRIVATE_D(QGraphicsItem::d_ptr.data(), QGraphicsProxyWidget) 128 Q_PRIVATE_SLOT(d_func(), void _q_removeWidgetSlot()) 129 130 friend class QWidget; 131 friend class QWidgetPrivate; 132 friend class QGraphicsItem; 133 }; 134 135 QT_END_NAMESPACE 136 137 #endif 138