File indexing completed on 2025-01-05 03:58:06 

0001 /* ============================================================
0002  *
0003  * This file is a part of digiKam project
0004  * https://www.digikam.org
0005  *
0006  * Date        : 2010-06-29
0007  * Description : Pressable Button class using QGraphicsItem
0008  *               based on Frederico Duarte implementation.
0009  *
0010  * SPDX-FileCopyrightText: 2010-2024 by Gilles Caulier <caulier dot gilles at gmail dot com>
0011  *
0012  * SPDX-License-Identifier: GPL-2.0-or-later
0013  *
0014  * ============================================================ */
0015 
0016 #ifndef DIGIKAM_FACE_ENGINE_DEMO_BUTTON_H
0017 #define DIGIKAM_FACE_ENGINE_DEMO_BUTTON_H
0018 
0019 // Qt includes
0020 
0021 #include <QObject>
0022 #include <QPainter>
0023 #include <QGraphicsItem>
0024 #include <QGraphicsSceneMouseEvent>
0025 
0026 namespace FaceEngineDemo
0027 {
0028 
0029 class Button : public QObject,
0030                public QGraphicsItem
0031 {
0032     Q_OBJECT
0033     Q_INTERFACES(QGraphicsItem)
0034 
0035 public:
0036 
0037     explicit Button(QGraphicsItem* const parent = nullptr);
0038     explicit Button(const QString& normal, const QString& pressed = QString(), QGraphicsItem* const parent = nullptr);
0039     Button(const QPixmap& normal, const QPixmap& pressed, QGraphicsItem* const parent = nullptr);
0040     ~Button() override;
0041 
0042 public:
0043 
0044     QRectF boundingRect() const                                                                      override;
0045     void paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget = nullptr) override;
0046     void setPixmap(const QString& normal, const QString& pressed = QString());
0047     void setPixmap(const QPixmap& normal, const QPixmap& pressed);
0048 
0049 Q_SIGNALS:
0050 
0051     void clicked();
0052 
0053 protected:
0054 
0055     void mousePressEvent(QGraphicsSceneMouseEvent*)   override;
0056     void mouseMoveEvent(QGraphicsSceneMouseEvent*)    override;
0057     void mouseReleaseEvent(QGraphicsSceneMouseEvent*) override;
0058 
0059 private:
0060 
0061     // Disable
0062     explicit Button(QObject*);
0063 
0064     class Private;
0065     Private* const d;
0066 };
0067 
0068 } // namespace FaceEngineDemo
0069 
0070 #endif // DIGIKAM_FACE_ENGINE_DEMO_BUTTON_H