blob: 63f887fbb1cf84151b6f073aa794688df063934f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
|
/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** No Commercial Usage
**
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/
#ifndef ZOOMTOOL_H
#define ZOOMTOOL_H
#include "abstractliveedittool.h"
#include "liverubberbandselectionmanipulator.h"
QT_FORWARD_DECLARE_CLASS(QAction)
namespace QmlJSDebugger {
class ZoomTool : public AbstractLiveEditTool
{
Q_OBJECT
public:
enum ZoomDirection {
ZoomIn,
ZoomOut
};
explicit ZoomTool(QDeclarativeViewObserver *view);
virtual ~ZoomTool();
void mousePressEvent(QMouseEvent *event);
void mouseMoveEvent(QMouseEvent *event);
void mouseReleaseEvent(QMouseEvent *event);
void mouseDoubleClickEvent(QMouseEvent *event);
void hoverMoveEvent(QMouseEvent *event);
void wheelEvent(QWheelEvent *event);
void keyPressEvent(QKeyEvent *event);
void keyReleaseEvent(QKeyEvent *keyEvent);
void itemsAboutToRemoved(const QList<QGraphicsItem*> &itemList);
void clear();
protected:
void selectedItemsChanged(const QList<QGraphicsItem*> &itemList);
private slots:
void zoomTo100();
void zoomIn();
void zoomOut();
private:
qreal nextZoomScale(ZoomDirection direction) const;
void scaleView(const QPointF ¢erPos);
private:
bool m_dragStarted;
QPoint m_mousePos; // in view coords
QPointF m_dragBeginPos;
QAction *m_zoomTo100Action;
QAction *m_zoomInAction;
QAction *m_zoomOutAction;
LiveRubberBandSelectionManipulator *m_rubberbandManipulator;
qreal m_smoothZoomMultiplier;
qreal m_currentScale;
};
} // namespace QmlJSDebugger
#endif // ZOOMTOOL_H
|
