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 QSIZEGRIP_H 41 #define QSIZEGRIP_H 42 43 #include <QtWidgets/qtwidgetsglobal.h> 44 #include <QtWidgets/qwidget.h> 45 46 QT_REQUIRE_CONFIG(sizegrip); 47 48 QT_BEGIN_NAMESPACE 49 50 class QSizeGripPrivate; 51 class Q_WIDGETS_EXPORT QSizeGrip : public QWidget 52 { 53 Q_OBJECT 54 public: 55 explicit QSizeGrip(QWidget *parent); 56 ~QSizeGrip(); 57 58 QSize sizeHint() const override; 59 void setVisible(bool) override; 60 61 protected: 62 void paintEvent(QPaintEvent *) override; 63 void mousePressEvent(QMouseEvent *) override; 64 void mouseMoveEvent(QMouseEvent *) override; 65 void mouseReleaseEvent(QMouseEvent *mouseEvent) override; 66 void moveEvent(QMoveEvent *moveEvent) override; 67 void showEvent(QShowEvent *showEvent) override; 68 void hideEvent(QHideEvent *hideEvent) override; 69 bool eventFilter(QObject *, QEvent *) override; 70 bool event(QEvent *) override; 71 72 public: 73 74 private: 75 Q_DECLARE_PRIVATE(QSizeGrip) 76 Q_DISABLE_COPY(QSizeGrip) 77 Q_PRIVATE_SLOT(d_func(), void _q_showIfNotHidden()) 78 }; 79 80 QT_END_NAMESPACE 81 82 #endif // QSIZEGRIP_H 83