1 // Commit: f707672eb4c51ea82fbd98e1da16ece61a74c690
2 /****************************************************************************
4 ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
5 ** All rights reserved.
6 ** Contact: Nokia Corporation (qt-info@nokia.com)
8 ** This file is part of the QtSG module of the Qt Toolkit.
10 ** $QT_BEGIN_LICENSE:LGPL$
11 ** GNU Lesser General Public License Usage
12 ** This file may be used under the terms of the GNU Lesser General Public
13 ** License version 2.1 as published by the Free Software Foundation and
14 ** appearing in the file LICENSE.LGPL included in the packaging of this
15 ** file. Please review the following information to ensure the GNU Lesser
16 ** General Public License version 2.1 requirements will be met:
17 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
19 ** In addition, as a special exception, Nokia gives you certain additional
20 ** rights. These rights are described in the Nokia Qt LGPL Exception
21 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
23 ** GNU General Public License Usage
24 ** Alternatively, this file may be used under the terms of the GNU General
25 ** Public License version 3.0 as published by the Free Software Foundation
26 ** and appearing in the file LICENSE.GPL included in the packaging of this
27 ** file. Please review the following information to ensure the GNU General
28 ** Public License version 3.0 requirements will be met:
29 ** http://www.gnu.org/copyleft/gpl.html.
32 ** Alternatively, this file may be used in accordance with the terms and
33 ** conditions contained in a signed written agreement between you and Nokia.
41 ****************************************************************************/
43 #ifndef QSGPINCHAREA_H
44 #define QSGPINCHAREA_H
52 QT_MODULE(Declarative)
54 class Q_AUTOTEST_EXPORT QSGPinch : public QObject
59 Q_PROPERTY(QSGItem *target READ target WRITE setTarget RESET resetTarget)
60 Q_PROPERTY(qreal minimumScale READ minimumScale WRITE setMinimumScale NOTIFY minimumScaleChanged)
61 Q_PROPERTY(qreal maximumScale READ maximumScale WRITE setMaximumScale NOTIFY maximumScaleChanged)
62 Q_PROPERTY(qreal minimumRotation READ minimumRotation WRITE setMinimumRotation NOTIFY minimumRotationChanged)
63 Q_PROPERTY(qreal maximumRotation READ maximumRotation WRITE setMaximumRotation NOTIFY maximumRotationChanged)
64 Q_PROPERTY(Axis dragAxis READ axis WRITE setAxis NOTIFY dragAxisChanged)
65 Q_PROPERTY(qreal minimumX READ xmin WRITE setXmin NOTIFY minimumXChanged)
66 Q_PROPERTY(qreal maximumX READ xmax WRITE setXmax NOTIFY maximumXChanged)
67 Q_PROPERTY(qreal minimumY READ ymin WRITE setYmin NOTIFY minimumYChanged)
68 Q_PROPERTY(qreal maximumY READ ymax WRITE setYmax NOTIFY maximumYChanged)
69 Q_PROPERTY(bool active READ active NOTIFY activeChanged)
74 QSGItem *target() const { return m_target; }
75 void setTarget(QSGItem *target) {
76 if (target == m_target)
88 qreal minimumScale() const { return m_minScale; }
89 void setMinimumScale(qreal s) {
93 emit minimumScaleChanged();
95 qreal maximumScale() const { return m_maxScale; }
96 void setMaximumScale(qreal s) {
100 emit maximumScaleChanged();
103 qreal minimumRotation() const { return m_minRotation; }
104 void setMinimumRotation(qreal r) {
105 if (r == m_minRotation)
108 emit minimumRotationChanged();
110 qreal maximumRotation() const { return m_maxRotation; }
111 void setMaximumRotation(qreal r) {
112 if (r == m_maxRotation)
115 emit maximumRotationChanged();
118 enum Axis { NoDrag=0x00, XAxis=0x01, YAxis=0x02, XandYAxis=0x03 };
119 Axis axis() const { return m_axis; }
120 void setAxis(Axis a) {
124 emit dragAxisChanged();
127 qreal xmin() const { return m_xmin; }
128 void setXmin(qreal x) {
132 emit minimumXChanged();
134 qreal xmax() const { return m_xmax; }
135 void setXmax(qreal x) {
139 emit maximumXChanged();
141 qreal ymin() const { return m_ymin; }
142 void setYmin(qreal y) {
146 emit minimumYChanged();
148 qreal ymax() const { return m_ymax; }
149 void setYmax(qreal y) {
153 emit maximumYChanged();
156 bool active() const { return m_active; }
157 void setActive(bool a) {
161 emit activeChanged();
165 void targetChanged();
166 void minimumScaleChanged();
167 void maximumScaleChanged();
168 void minimumRotationChanged();
169 void maximumRotationChanged();
170 void dragAxisChanged();
171 void minimumXChanged();
172 void maximumXChanged();
173 void minimumYChanged();
174 void maximumYChanged();
175 void activeChanged();
191 class Q_AUTOTEST_EXPORT QSGPinchEvent : public QObject
195 Q_PROPERTY(QPointF center READ center)
196 Q_PROPERTY(QPointF startCenter READ startCenter)
197 Q_PROPERTY(QPointF previousCenter READ previousCenter)
198 Q_PROPERTY(qreal scale READ scale)
199 Q_PROPERTY(qreal previousScale READ previousScale)
200 Q_PROPERTY(qreal angle READ angle)
201 Q_PROPERTY(qreal previousAngle READ previousAngle)
202 Q_PROPERTY(qreal rotation READ rotation)
203 Q_PROPERTY(QPointF point1 READ point1)
204 Q_PROPERTY(QPointF startPoint1 READ startPoint1)
205 Q_PROPERTY(QPointF point2 READ point2)
206 Q_PROPERTY(QPointF startPoint2 READ startPoint2)
207 Q_PROPERTY(int pointCount READ pointCount)
208 Q_PROPERTY(bool accepted READ accepted WRITE setAccepted)
211 QSGPinchEvent(QPointF c, qreal s, qreal a, qreal r)
212 : QObject(), m_center(c), m_scale(s), m_angle(a), m_rotation(r)
213 , m_pointCount(0), m_accepted(true) {}
215 QPointF center() const { return m_center; }
216 QPointF startCenter() const { return m_startCenter; }
217 void setStartCenter(QPointF c) { m_startCenter = c; }
218 QPointF previousCenter() const { return m_lastCenter; }
219 void setPreviousCenter(QPointF c) { m_lastCenter = c; }
220 qreal scale() const { return m_scale; }
221 qreal previousScale() const { return m_lastScale; }
222 void setPreviousScale(qreal s) { m_lastScale = s; }
223 qreal angle() const { return m_angle; }
224 qreal previousAngle() const { return m_lastAngle; }
225 void setPreviousAngle(qreal a) { m_lastAngle = a; }
226 qreal rotation() const { return m_rotation; }
227 QPointF point1() const { return m_point1; }
228 void setPoint1(QPointF p) { m_point1 = p; }
229 QPointF startPoint1() const { return m_startPoint1; }
230 void setStartPoint1(QPointF p) { m_startPoint1 = p; }
231 QPointF point2() const { return m_point2; }
232 void setPoint2(QPointF p) { m_point2 = p; }
233 QPointF startPoint2() const { return m_startPoint2; }
234 void setStartPoint2(QPointF p) { m_startPoint2 = p; }
235 int pointCount() const { return m_pointCount; }
236 void setPointCount(int count) { m_pointCount = count; }
238 bool accepted() const { return m_accepted; }
239 void setAccepted(bool a) { m_accepted = a; }
243 QPointF m_startCenter;
244 QPointF m_lastCenter;
252 QPointF m_startPoint1;
253 QPointF m_startPoint2;
260 class QSGPinchAreaPrivate;
261 class Q_AUTOTEST_EXPORT QSGPinchArea : public QSGItem
265 Q_PROPERTY(bool enabled READ isEnabled WRITE setEnabled NOTIFY enabledChanged)
266 Q_PROPERTY(QSGPinch *pinch READ pinch CONSTANT)
269 QSGPinchArea(QSGItem *parent=0);
272 bool isEnabled() const;
273 void setEnabled(bool);
278 void enabledChanged();
279 void pinchStarted(QSGPinchEvent *pinch);
280 void pinchUpdated(QSGPinchEvent *pinch);
281 void pinchFinished(QSGPinchEvent *pinch);
284 virtual void mousePressEvent(QMouseEvent *event);
285 virtual void mouseReleaseEvent(QMouseEvent *event);
286 virtual void mouseMoveEvent(QMouseEvent *event);
287 virtual void mouseUngrabEvent();
288 virtual bool sendMouseEvent(QMouseEvent *event);
289 virtual bool childMouseEventFilter(QSGItem *i, QEvent *e);
290 virtual void touchEvent(QTouchEvent *event);
292 virtual void geometryChanged(const QRectF &newGeometry,
293 const QRectF &oldGeometry);
294 virtual void itemChange(ItemChange change, const ItemChangeData& value);
299 void handleRelease();
302 Q_DISABLE_COPY(QSGPinchArea)
303 Q_DECLARE_PRIVATE(QSGPinchArea)
308 QML_DECLARE_TYPE(QSGPinch)
309 QML_DECLARE_TYPE(QSGPinchEvent)
310 QML_DECLARE_TYPE(QSGPinchArea)
314 #endif // QSGPINCHAREA_H