Skip to content
GitLab
Select Git revision
Find file BlameHistoryPermalink
qquickpincharea_p.h 9.66 KiB
1 
/****************************************************************************
2 
**
3 
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
4 
** Contact: http://www.qt-project.org/legal
5 
**
6 
** This file is part of the QtSG module of the Qt Toolkit.
7 
**
8 
** $QT_BEGIN_LICENSE:LGPL$
9 
** Commercial License Usage
10 
** Licensees holding valid commercial Qt licenses may use this file in
11 
** accordance with the commercial license agreement provided with the
12 
** Software or, alternatively, in accordance with the terms contained in
13 
** a written agreement between you and Digia.  For licensing terms and
14 
** conditions see http://qt.digia.com/licensing.  For further information
15 
** use the contact form at http://qt.digia.com/contact-us.
16 
**
17 
** GNU Lesser General Public License Usage
18 
** Alternatively, this file may be used under the terms of the GNU Lesser
19 
** General Public License version 2.1 as published by the Free Software
20 
** Foundation and appearing in the file LICENSE.LGPL included in the
21 
** packaging of this file.  Please review the following information to
22 
** ensure the GNU Lesser General Public License version 2.1 requirements
23 
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
24 
**
25 
** In addition, as a special exception, Digia gives you certain additional
26 
** rights.  These rights are described in the Digia Qt LGPL Exception
27 
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
28 
**
29 
** GNU General Public License Usage
30 
** Alternatively, this file may be used under the terms of the GNU
31 
** General Public License version 3.0 as published by the Free Software
32 
** Foundation and appearing in the file LICENSE.GPL included in the
33 
** packaging of this file.  Please review the following information to
34 
** ensure the GNU General Public License version 3.0 requirements will be
35 
** met: http://www.gnu.org/copyleft/gpl.html.
36 
**
37 
**
38 
** $QT_END_LICENSE$
39 
**
40 
****************************************************************************/
41
42 
#ifndef QQUICKPINCHAREA_H
43 
#define QQUICKPINCHAREA_H
44
45 
#include "qquickitem.h"
46
47 
QT_BEGIN_HEADER
48
49 
QT_BEGIN_NAMESPACE
50
51 
class Q_AUTOTEST_EXPORT QQuickPinch : public QObject
52 
{
53 
    Q_OBJECT
54
55 
    Q_ENUMS(Axis)
56 
    Q_PROPERTY(QQuickItem *target READ target WRITE setTarget RESET resetTarget)
57 
    Q_PROPERTY(qreal minimumScale READ minimumScale WRITE setMinimumScale NOTIFY minimumScaleChanged)
58 
    Q_PROPERTY(qreal maximumScale READ maximumScale WRITE setMaximumScale NOTIFY maximumScaleChanged)
59 
    Q_PROPERTY(qreal minimumRotation READ minimumRotation WRITE setMinimumRotation NOTIFY minimumRotationChanged)
60 
    Q_PROPERTY(qreal maximumRotation READ maximumRotation WRITE setMaximumRotation NOTIFY maximumRotationChanged)
61 
    Q_PROPERTY(Axis dragAxis READ axis WRITE setAxis NOTIFY dragAxisChanged)
62 
    Q_PROPERTY(qreal minimumX READ xmin WRITE setXmin NOTIFY minimumXChanged)
63 
    Q_PROPERTY(qreal maximumX READ xmax WRITE setXmax NOTIFY maximumXChanged)
64 
    Q_PROPERTY(qreal minimumY READ ymin WRITE setYmin NOTIFY minimumYChanged)
65 
    Q_PROPERTY(qreal maximumY READ ymax WRITE setYmax NOTIFY maximumYChanged)
66 
    Q_PROPERTY(bool active READ active NOTIFY activeChanged)
67
68 
public:
69 
    QQuickPinch();
70
7172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140
QQuickItem *target() const { return m_target; } void setTarget(QQuickItem *target) { if (target == m_target) return; m_target = target; emit targetChanged(); } void resetTarget() { if (!m_target) return; m_target = 0; emit targetChanged(); } qreal minimumScale() const { return m_minScale; } void setMinimumScale(qreal s) { if (s == m_minScale) return; m_minScale = s; emit minimumScaleChanged(); } qreal maximumScale() const { return m_maxScale; } void setMaximumScale(qreal s) { if (s == m_maxScale) return; m_maxScale = s; emit maximumScaleChanged(); } qreal minimumRotation() const { return m_minRotation; } void setMinimumRotation(qreal r) { if (r == m_minRotation) return; m_minRotation = r; emit minimumRotationChanged(); } qreal maximumRotation() const { return m_maxRotation; } void setMaximumRotation(qreal r) { if (r == m_maxRotation) return; m_maxRotation = r; emit maximumRotationChanged(); } enum Axis { NoDrag=0x00, XAxis=0x01, YAxis=0x02, XandYAxis=0x03 }; Axis axis() const { return m_axis; } void setAxis(Axis a) { if (a == m_axis) return; m_axis = a; emit dragAxisChanged(); } qreal xmin() const { return m_xmin; } void setXmin(qreal x) { if (x == m_xmin) return; m_xmin = x; emit minimumXChanged(); } qreal xmax() const { return m_xmax; } void setXmax(qreal x) { if (x == m_xmax) return; m_xmax = x; emit maximumXChanged(); } qreal ymin() const { return m_ymin; } void setYmin(qreal y) { if (y == m_ymin)
141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210
return; m_ymin = y; emit minimumYChanged(); } qreal ymax() const { return m_ymax; } void setYmax(qreal y) { if (y == m_ymax) return; m_ymax = y; emit maximumYChanged(); } bool active() const { return m_active; } void setActive(bool a) { if (a == m_active) return; m_active = a; emit activeChanged(); } signals: void targetChanged(); void minimumScaleChanged(); void maximumScaleChanged(); void minimumRotationChanged(); void maximumRotationChanged(); void dragAxisChanged(); void minimumXChanged(); void maximumXChanged(); void minimumYChanged(); void maximumYChanged(); void activeChanged(); private: QQuickItem *m_target; qreal m_minScale; qreal m_maxScale; qreal m_minRotation; qreal m_maxRotation; Axis m_axis; qreal m_xmin; qreal m_xmax; qreal m_ymin; qreal m_ymax; bool m_active; }; class Q_AUTOTEST_EXPORT QQuickPinchEvent : public QObject { Q_OBJECT Q_PROPERTY(QPointF center READ center) Q_PROPERTY(QPointF startCenter READ startCenter) Q_PROPERTY(QPointF previousCenter READ previousCenter) Q_PROPERTY(qreal scale READ scale) Q_PROPERTY(qreal previousScale READ previousScale) Q_PROPERTY(qreal angle READ angle) Q_PROPERTY(qreal previousAngle READ previousAngle) Q_PROPERTY(qreal rotation READ rotation) Q_PROPERTY(QPointF point1 READ point1) Q_PROPERTY(QPointF startPoint1 READ startPoint1) Q_PROPERTY(QPointF point2 READ point2) Q_PROPERTY(QPointF startPoint2 READ startPoint2) Q_PROPERTY(int pointCount READ pointCount) Q_PROPERTY(bool accepted READ accepted WRITE setAccepted) public: QQuickPinchEvent(QPointF c, qreal s, qreal a, qreal r) : QObject(), m_center(c), m_scale(s), m_angle(a), m_rotation(r) , m_pointCount(0), m_accepted(true) {}
211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280
QPointF center() const { return m_center; } QPointF startCenter() const { return m_startCenter; } void setStartCenter(QPointF c) { m_startCenter = c; } QPointF previousCenter() const { return m_lastCenter; } void setPreviousCenter(QPointF c) { m_lastCenter = c; } qreal scale() const { return m_scale; } qreal previousScale() const { return m_lastScale; } void setPreviousScale(qreal s) { m_lastScale = s; } qreal angle() const { return m_angle; } qreal previousAngle() const { return m_lastAngle; } void setPreviousAngle(qreal a) { m_lastAngle = a; } qreal rotation() const { return m_rotation; } QPointF point1() const { return m_point1; } void setPoint1(QPointF p) { m_point1 = p; } QPointF startPoint1() const { return m_startPoint1; } void setStartPoint1(QPointF p) { m_startPoint1 = p; } QPointF point2() const { return m_point2; } void setPoint2(QPointF p) { m_point2 = p; } QPointF startPoint2() const { return m_startPoint2; } void setStartPoint2(QPointF p) { m_startPoint2 = p; } int pointCount() const { return m_pointCount; } void setPointCount(int count) { m_pointCount = count; } bool accepted() const { return m_accepted; } void setAccepted(bool a) { m_accepted = a; } private: QPointF m_center; QPointF m_startCenter; QPointF m_lastCenter; qreal m_scale; qreal m_lastScale; qreal m_angle; qreal m_lastAngle; qreal m_rotation; QPointF m_point1; QPointF m_point2; QPointF m_startPoint1; QPointF m_startPoint2; int m_pointCount; bool m_accepted; }; class QQuickMouseEvent; class QQuickPinchAreaPrivate; class Q_AUTOTEST_EXPORT QQuickPinchArea : public QQuickItem { Q_OBJECT Q_PROPERTY(bool enabled READ isEnabled WRITE setEnabled NOTIFY enabledChanged) Q_PROPERTY(QQuickPinch *pinch READ pinch CONSTANT) public: QQuickPinchArea(QQuickItem *parent=0); ~QQuickPinchArea(); bool isEnabled() const; void setEnabled(bool); QQuickPinch *pinch(); Q_SIGNALS: void enabledChanged(); void pinchStarted(QQuickPinchEvent *pinch); void pinchUpdated(QQuickPinchEvent *pinch); void pinchFinished(QQuickPinchEvent *pinch); protected:
281282283284285286287288289290291292293294295296297298299300301302303304305306307308
virtual bool childMouseEventFilter(QQuickItem *i, QEvent *e); virtual void touchEvent(QTouchEvent *event); virtual void geometryChanged(const QRectF &newGeometry, const QRectF &oldGeometry); virtual void itemChange(ItemChange change, const ItemChangeData& value); private: void updatePinch(); void handlePress(); void handleRelease(); private: Q_DISABLE_COPY(QQuickPinchArea) Q_DECLARE_PRIVATE(QQuickPinchArea) }; QT_END_NAMESPACE QML_DECLARE_TYPE(QQuickPinch) QML_DECLARE_TYPE(QQuickPinchEvent) QML_DECLARE_TYPE(QQuickPinchArea) QT_END_HEADER #endif // QQUICKPINCHAREA_H