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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#pragma once
#include "qmleditorwidgets_global.h"
#include <QWidget>
#include <QLinearGradient>
namespace QmlEditorWidgets {
class QMLEDITORWIDGETS_EXPORT GradientLine : public QWidget {
Q_OBJECT
Q_PROPERTY(QColor activeColor READ activeColor WRITE setActiveColor NOTIFY activeColorChanged)
Q_PROPERTY(QString gradientName READ gradientName WRITE setGradientName NOTIFY gradientNameChanged)
Q_PROPERTY(bool active READ active WRITE setActive)
Q_PROPERTY(QLinearGradient gradient READ gradient WRITE setGradient NOTIFY gradientChanged)
public:
GradientLine(QWidget *parent = 0);
QString gradientName() const { return m_gradientName; }
void setGradientName(const QString &newName);
QColor activeColor() const { return m_activeColor; }
void setActiveColor(const QColor &newColor);
bool active() const { return m_active; }
void setActive(bool a) { m_active = a; }
QLinearGradient gradient() const { return m_gradient; }
void setGradient(const QLinearGradient &);
signals:
void activeColorChanged();
void itemNodeChanged();
void gradientNameChanged();
void gradientChanged();
void openColorDialog(const QPoint &pos);
protected:
bool event(QEvent *event) override;
void keyPressEvent(QKeyEvent * event) override;
void paintEvent(QPaintEvent *event) override;
void mousePressEvent(QMouseEvent *event) override;
void mouseDoubleClickEvent(QMouseEvent *event) override;
void mouseReleaseEvent(QMouseEvent *) override;
void mouseMoveEvent(QMouseEvent *) override;
private:
void setup();
void readGradient();
void updateGradient();
int currentColorIndex() const { return m_colorIndex; }
void setCurrentIndex(int i);
QColor m_activeColor;
QString m_gradientName;
QList<QColor> m_colorList;
QList<qreal> m_stops;
int m_colorIndex;
bool m_dragActive;
QPoint m_dragStart;
QLinearGradient m_gradient;
int m_yOffset;
bool m_create;
bool m_active;
bool m_dragOff;
bool m_useGradient;
};
} //QmlEditorWidgets
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