File indexing completed on 2025-01-19 04:24:07 

0001 /****************************************************************************************
0002  * Copyright (c) 2010 Daniel Faust <hessijames@gmail.com>                               *
0003  *                                                                                      *
0004  * This program is free software; you can redistribute it and/or modify it under        *
0005  * the terms of the GNU General Public License as published by the Free Software        *
0006  * Foundation; either version 2 of the License, or (at your option) any later           *
0007  * version.                                                                             *
0008  *                                                                                      *
0009  * This program is distributed in the hope that it will be useful, but WITHOUT ANY      *
0010  * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A      *
0011  * PARTICULAR PURPOSE. See the GNU General Public License for more details.             *
0012  *                                                                                      *
0013  * You should have received a copy of the GNU General Public License along with         *
0014  * this program.  If not, see <http://www.gnu.org/licenses/>.                           *
0015  ****************************************************************************************/
0016 
0017 #ifndef LABEL_GRAPHICS_ITEM_H
0018 #define LABEL_GRAPHICS_ITEM_H
0019 
0020 #include "context/Applet.h"
0021 
0022 #include <QGraphicsObject>
0023 #include <QWeakPointer>
0024 
0025 class LabelOverlayButton;
0026 class QGraphicsBlurEffect;
0027 class QGraphicsPixmapItem;
0028 class QGraphicsSceneHoverEvent;
0029 class QGraphicsSceneMouseEvent;
0030 class QGraphicsTextItem;
0031 class QPropertyAnimation;
0032 
0033 class LabelGraphicsItem : public QGraphicsObject
0034 {
0035     Q_OBJECT
0036     Q_PROPERTY( qreal hoverValue READ hoverValue WRITE setHoverValue )
0037     Q_PROPERTY( QPointF pos READ pos WRITE setPos )
0038 
0039 public:
0040     LabelGraphicsItem( const QString& text, qreal deltaPointSize, QGraphicsItem *parent );
0041     ~LabelGraphicsItem() override;
0042 
0043     QString text();
0044     void setText( const QString& text );
0045     void setDeltaPointSize( qreal deltaPointSize );
0046     void setSelected( bool selected );
0047     void setSelectedColor( QColor color );
0048     void setBackgroundColor( QColor color );
0049     void showBlacklistButton( bool enabled );
0050     
0051     void updateHoverStatus();
0052     
0053     QRectF boundingRect() const;
0054     void paint( QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget );
0055 
0056 protected:
0057     void hoverLeaveEvent( QGraphicsSceneHoverEvent *event ) override;
0058     void hoverEnterEvent( QGraphicsSceneHoverEvent *event ) override;
0059     void mousePressEvent( QGraphicsSceneMouseEvent *event ) override;
0060 
0061 private:
0062     qreal hoverValue();
0063     void setHoverValue( qreal value );
0064     void updateGeometry();
0065 
0066     QGraphicsTextItem               *m_textItem;
0067     QGraphicsPixmapItem             *m_backgroundItem;
0068     QGraphicsBlurEffect             *m_backgroundBlurEffect;
0069     QColor                           m_backgroundColor;
0070     
0071     qreal                            m_hoverValue;
0072     QColor                           m_hoverColor;
0073     QWeakPointer<QPropertyAnimation> m_hoverValueAnimation;
0074     bool                             m_selected;
0075     QColor                           m_selectedColor;
0076 
0077     bool                             m_showBlacklistButton;
0078     
0079     QWeakPointer<LabelOverlayButton> m_addLabelItem;
0080     QWeakPointer<LabelOverlayButton> m_removeLabelItem;
0081     QWeakPointer<LabelOverlayButton> m_listLabelItem;
0082     QWeakPointer<LabelOverlayButton> m_blacklistLabelItem;
0083     
0084     QWeakPointer<QPropertyAnimation> m_addLabelAnimation;
0085     QWeakPointer<QPropertyAnimation> m_removeLabelAnimation;
0086     QWeakPointer<QPropertyAnimation> m_listLabelAnimation;
0087     QWeakPointer<QPropertyAnimation> m_blacklistLabelAnimation;
0088     
0089 Q_SIGNALS:
0090     void toggled( const QString &label );
0091     void blacklisted( const QString &label );
0092     void list( const QString &label );
0093 };
0094 
0095 #endif
0096