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 | |
30 | class ColumnHandleItem : public QGraphicsObject |
31 | { |
32 | Q_OBJECT |
33 | Q_PROPERTY(qreal opacity READ opacity WRITE setOpacity) |
34 | |
35 | public : |
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 | |
51 | public slots: |
52 | void sceneRectChanged(const QRectF &); |
53 | void setOpacity(qreal opacity); |
54 | |
55 | protected: |
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 | |
62 | signals: |
63 | void positionChanged(qreal x); |
64 | |
65 | private: |
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 | |