1/***************************************************************************
2 * Copyright (C) 2005-2014 by the Quassel Project *
3 * devel@quassel-irc.org *
4 * *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) version 3. *
9 * *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
14 * *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
19 ***************************************************************************/
20
21#ifndef COLUMNHANDLEITEM_H_
22#define COLUMNHANDLEITEM_H_
23
24#include <QGraphicsItem>
25#include <QGraphicsScene>
26#include <QPropertyAnimation>
27
28#include "chatscene.h"
29
30class ColumnHandleItem : public QGraphicsObject
31{
32 Q_OBJECT
33 Q_PROPERTY(qreal opacity READ opacity WRITE setOpacity)
34
35public :
36 ColumnHandleItem(qreal width, QGraphicsItem *parent = 0);
37 virtual inline int type() const { return ChatScene::ColumnHandleType; }
38
39 inline qreal width() const { return _width; }
40 inline QRectF boundingRect() const { return _boundingRect; }
41 inline qreal sceneLeft() const { return _sceneLeft; }
42 inline qreal sceneRight() const { return _sceneRight; }
43
44 inline qreal opacity() const { return _opacity; }
45
46 void setXPos(qreal xpos);
47 void setXLimits(qreal min, qreal max);
48
49 void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
50
51public slots:
52 void sceneRectChanged(const QRectF &);
53 void setOpacity(qreal opacity);
54
55protected:
56 void hoverEnterEvent(QGraphicsSceneHoverEvent *event);
57 void hoverLeaveEvent(QGraphicsSceneHoverEvent *event);
58 void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
59 void mousePressEvent(QGraphicsSceneMouseEvent *event);
60 void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
61
62signals:
63 void positionChanged(qreal x);
64
65private:
66 qreal _width;
67 qreal _sceneLeft, _sceneRight;
68 QRectF _boundingRect;
69 bool _moving;
70 qreal _offset;
71 qreal _minXPos, _maxXPos;
72 qreal _opacity;
73 QPropertyAnimation *_animation;
74};
75
76
77#endif
78