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 tools applications 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 QTGRADIENTSTOPSWIDGET_H 41 #define QTGRADIENTSTOPSWIDGET_H 42 43 #include <QtWidgets/QAbstractScrollArea> 44 45 QT_BEGIN_NAMESPACE 46 47 class QtGradientStopsModel; 48 class QtGradientStopsWidgetPrivate; 49 50 class QtGradientStopsWidget : public QAbstractScrollArea 51 { 52 Q_OBJECT 53 Q_PROPERTY(bool backgroundCheckered READ isBackgroundCheckered WRITE setBackgroundCheckered) 54 public: 55 QtGradientStopsWidget(QWidget *parent = 0); 56 ~QtGradientStopsWidget(); 57 58 QSize minimumSizeHint() const; 59 QSize sizeHint() const; 60 61 bool isBackgroundCheckered() const; 62 void setBackgroundCheckered(bool checkered); 63 64 void setGradientStopsModel(QtGradientStopsModel *model); 65 66 void setZoom(double zoom); 67 double zoom() const; 68 69 signals: 70 71 void zoomChanged(double zoom); 72 73 protected: 74 void paintEvent(QPaintEvent *e); 75 void mousePressEvent(QMouseEvent *e); 76 void mouseReleaseEvent(QMouseEvent *e); 77 void mouseMoveEvent(QMouseEvent *e); 78 void mouseDoubleClickEvent(QMouseEvent *e); 79 void keyPressEvent(QKeyEvent *e); 80 void focusInEvent(QFocusEvent *e); 81 void focusOutEvent(QFocusEvent *e); 82 void contextMenuEvent(QContextMenuEvent *e); 83 void wheelEvent(QWheelEvent *e); 84 #ifndef QT_NO_DRAGANDDROP 85 void dragEnterEvent(QDragEnterEvent *event); 86 void dragMoveEvent(QDragMoveEvent *event); 87 void dragLeaveEvent(QDragLeaveEvent *event); 88 void dropEvent(QDropEvent *event); 89 #endif 90 91 private: 92 QScopedPointer<QtGradientStopsWidgetPrivate> d_ptr; 93 Q_DECLARE_PRIVATE(QtGradientStopsWidget) 94 Q_DISABLE_COPY_MOVE(QtGradientStopsWidget) 95 Q_PRIVATE_SLOT(d_func(), void slotStopAdded(QtGradientStop *stop)) 96 Q_PRIVATE_SLOT(d_func(), void slotStopRemoved(QtGradientStop *stop)) 97 Q_PRIVATE_SLOT(d_func(), void slotStopMoved(QtGradientStop *stop, qreal newPos)) 98 Q_PRIVATE_SLOT(d_func(), void slotStopsSwapped(QtGradientStop *stop1, QtGradientStop *stop2)) 99 Q_PRIVATE_SLOT(d_func(), void slotStopChanged(QtGradientStop *stop, const QColor &newColor)) 100 Q_PRIVATE_SLOT(d_func(), void slotStopSelected(QtGradientStop *stop, bool selected)) 101 Q_PRIVATE_SLOT(d_func(), void slotCurrentStopChanged(QtGradientStop *stop)) 102 Q_PRIVATE_SLOT(d_func(), void slotNewStop()) 103 Q_PRIVATE_SLOT(d_func(), void slotDelete()) 104 Q_PRIVATE_SLOT(d_func(), void slotFlipAll()) 105 Q_PRIVATE_SLOT(d_func(), void slotSelectAll()) 106 Q_PRIVATE_SLOT(d_func(), void slotZoomIn()) 107 Q_PRIVATE_SLOT(d_func(), void slotZoomOut()) 108 Q_PRIVATE_SLOT(d_func(), void slotResetZoom()) 109 }; 110 111 QT_END_NAMESPACE 112 113 #endif 114