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1 /* |
1 /* |
2 * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). |
2 * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). |
3 * All rights reserved. |
3 * All rights reserved. |
4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
4 * |
9 * Initial Contributors: |
5 * This program is free software: you can redistribute it and/or modify |
10 * Nokia Corporation - initial contribution. |
6 * it under the terms of the GNU Lesser General Public License as published by |
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7 * the Free Software Foundation, version 2.1 of the License. |
11 * |
8 * |
12 * Contributors: |
9 * This program is distributed in the hope that it will be useful, |
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10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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12 * GNU Lesser General Public License for more details. |
13 * |
13 * |
14 * Description: |
14 * You should have received a copy of the GNU Lesser General Public License |
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15 * along with this program. If not, |
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16 * see "http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html/". |
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17 * |
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18 * Description: |
15 * |
19 * |
16 */ |
20 */ |
17 |
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18 |
21 |
19 #ifndef __KINETIC_HELPER_H__ |
22 #ifndef __KINETIC_HELPER_H__ |
20 #define __KINETIC_HELPER_H__ |
23 #define __KINETIC_HELPER_H__ |
21 |
24 |
22 #include <QObject> |
25 #include <QObject> |
31 |
34 |
32 class KineticScrollable |
35 class KineticScrollable |
33 { |
36 { |
34 public: |
37 public: |
35 virtual void scrollTo(QPoint& pos) = 0; |
38 virtual void scrollTo(QPoint& pos) = 0; |
36 |
39 |
37 virtual QPoint getScrollPosition() = 0; |
40 virtual QPoint getScrollPosition() = 0; |
38 |
41 |
39 virtual QPoint getInitialPosition() = 0; |
42 virtual QPoint getInitialPosition() = 0; |
40 |
43 |
41 virtual QPointF getInitialSpeed() = 0; |
44 virtual QPointF getInitialSpeed() = 0; |
42 }; |
45 }; |
43 |
46 |
44 |
47 |
45 |
48 |
48 Q_OBJECT |
51 Q_OBJECT |
49 |
52 |
50 public: |
53 public: |
51 KineticHelper(KineticScrollable* scrollable, qreal decel = DECELERATION, int kineticTimeout = KINETIC_TIMEOUT); |
54 KineticHelper(KineticScrollable* scrollable, qreal decel = DECELERATION, int kineticTimeout = KINETIC_TIMEOUT); |
52 ~KineticHelper(); |
55 ~KineticHelper(); |
53 |
56 |
54 void setDeceleration(qreal decel) { m_decel = decel; } |
57 void setDeceleration(qreal decel) { m_decel = decel; } |
55 void setKineticTimeout(int timeout) { m_kineticTimeout = timeout; } |
58 void setKineticTimeout(int timeout) { m_kineticTimeout = timeout; } |
56 void stopScrolling(); |
59 void stopScrolling(); |
57 void startScrolling(); |
60 void startScrolling(); |
58 bool isScrolling(); |
61 bool isScrolling(); |
59 private slots: |
62 private slots: |
60 void kineticScroll(); |
63 void kineticScroll(); |
61 private: |
64 private: |
62 KineticScrollable* m_scrollable; |
65 KineticScrollable* m_scrollable; |
63 QPointF m_initialSpeed; |
66 QPointF m_initialSpeed; |
64 QPoint m_initialPos; |
67 QPoint m_initialPos; |