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Diffstat (limited to 'src/location/quickmapitems/qquickgeomapgesturearea_p.h')
| -rw-r--r-- | src/location/quickmapitems/qquickgeomapgesturearea_p.h | 394 |
1 files changed, 0 insertions, 394 deletions
diff --git a/src/location/quickmapitems/qquickgeomapgesturearea_p.h b/src/location/quickmapitems/qquickgeomapgesturearea_p.h deleted file mode 100644 index 86bd3537..00000000 --- a/src/location/quickmapitems/qquickgeomapgesturearea_p.h +++ /dev/null @@ -1,394 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2015 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtLocation module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#ifndef QQUICKGEOMAPGESTUREAREA_P_H -#define QQUICKGEOMAPGESTUREAREA_P_H - -// -// W A R N I N G -// ------------- -// -// This file is not part of the Qt API. It exists purely as an -// implementation detail. This header file may change from version to -// version without notice, or even be removed. -// -// We mean it. -// - -#include <QtLocation/private/qlocationglobal_p.h> - -#include <QtCore/QPointer> -#include <QtQuick/QQuickItem> -#include <QTouchEvent> -#include <QDebug> -#include <QElapsedTimer> -#include <QtPositioning/qgeocoordinate.h> -#include <QtGui/QVector2D> - -QT_BEGIN_NAMESPACE - -class QGraphicsSceneMouseEvent; -class QQuickGeoCoordinateAnimation; -class QDeclarativeGeoMap; -class QTouchEvent; -class QWheelEvent; -class QGeoMap; - -class Q_LOCATION_PRIVATE_EXPORT QGeoMapPinchEvent : public QObject -{ - Q_OBJECT - QML_NAMED_ELEMENT(MapPinchEvent) - QML_UNCREATABLE("(Map)PinchEvent is not intended instantiable by developer.") - QML_ADDED_IN_VERSION(5, 0) - - Q_PROPERTY(QPointF center READ center) - Q_PROPERTY(qreal angle READ angle) - Q_PROPERTY(QPointF point1 READ point1) - Q_PROPERTY(QPointF point2 READ point2) - Q_PROPERTY(int pointCount READ pointCount) - Q_PROPERTY(bool accepted READ accepted WRITE setAccepted) - -public: - QGeoMapPinchEvent(const QPointF ¢er, qreal angle, - const QPointF &point1, const QPointF &point2, - int pointCount = 0, bool accepted = true) - : QObject(), m_center(center), m_angle(angle), - m_point1(point1), m_point2(point2), - m_pointCount(pointCount), m_accepted(accepted) - {} - QGeoMapPinchEvent() = default; - - QPointF center() const { return m_center; } - void setCenter(const QPointF ¢er) { m_center = center; } - qreal angle() const { return m_angle; } - void setAngle(qreal angle) { m_angle = angle; } - QPointF point1() const { return m_point1; } - void setPoint1(const QPointF &p) { m_point1 = p; } - QPointF point2() const { return m_point2; } - void setPoint2(const QPointF &p) { m_point2 = 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; - qreal m_angle = 0.0; - QPointF m_point1; - QPointF m_point2; - int m_pointCount = 0; - bool m_accepted = true; -}; - -class Q_LOCATION_PRIVATE_EXPORT QQuickGeoMapGestureArea: public QQuickItem -{ - Q_OBJECT - QML_NAMED_ELEMENT(MapGestureArea) - QML_UNCREATABLE("(Map)GestureArea is not intended instantiable by developer.") - QML_ADDED_IN_VERSION(5, 0) - Q_ENUMS(GeoMapGesture) - Q_FLAGS(AcceptedGestures) - - Q_PROPERTY(bool enabled READ enabled WRITE setEnabled NOTIFY enabledChanged) - Q_PROPERTY(bool pinchActive READ isPinchActive NOTIFY pinchActiveChanged) - Q_PROPERTY(bool panActive READ isPanActive NOTIFY panActiveChanged) - Q_PROPERTY(bool rotationActive READ isRotationActive NOTIFY rotationActiveChanged) - Q_PROPERTY(bool tiltActive READ isTiltActive NOTIFY tiltActiveChanged) - Q_PROPERTY(AcceptedGestures acceptedGestures READ acceptedGestures WRITE setAcceptedGestures NOTIFY acceptedGesturesChanged) - Q_PROPERTY(qreal maximumZoomLevelChange READ maximumZoomLevelChange WRITE setMaximumZoomLevelChange NOTIFY maximumZoomLevelChangeChanged) - Q_PROPERTY(qreal flickDeceleration READ flickDeceleration WRITE setFlickDeceleration NOTIFY flickDecelerationChanged) - Q_PROPERTY(bool preventStealing READ preventStealing WRITE setPreventStealing NOTIFY preventStealingChanged REVISION(5, 1)) - -public: - QQuickGeoMapGestureArea(QDeclarativeGeoMap *map); - ~QQuickGeoMapGestureArea(); - - enum GeoMapGesture { - NoGesture = 0x0000, - PinchGesture = 0x0001, - PanGesture = 0x0002, - FlickGesture = 0x0004, - RotationGesture = 0x0008, - TiltGesture = 0x0010, - AllGestures = 0xffff - }; - - Q_DECLARE_FLAGS(AcceptedGestures, GeoMapGesture) - - AcceptedGestures acceptedGestures() const; - void setAcceptedGestures(AcceptedGestures acceptedGestures); - - bool isPinchActive() const; - bool isRotationActive() const; - bool isTiltActive() const; - bool isPanActive() const; - bool isActive() const; - - bool enabled() const; - void setEnabled(bool enabled); - - qreal maximumZoomLevelChange() const; - void setMaximumZoomLevelChange(qreal maxChange); - - qreal flickDeceleration() const; - void setFlickDeceleration(qreal deceleration); - - void handleTouchEvent(QPointerEvent *event); -#if QT_CONFIG(wheelevent) - void handleWheelEvent(QWheelEvent *event); -#endif - void handleMousePressEvent(QMouseEvent *event); - void handleMouseMoveEvent(QMouseEvent *event); - void handleMouseReleaseEvent(QMouseEvent *event); - void handleTouchUngrabEvent(); - - void setMinimumZoomLevel(qreal min); - qreal minimumZoomLevel() const; - - void setMaximumZoomLevel(qreal max); - qreal maximumZoomLevel() const; - - void setMap(QGeoMap* map); - - bool preventStealing() const; - void setPreventStealing(bool prevent); - -Q_SIGNALS: - void panActiveChanged(); - void pinchActiveChanged(); - void rotationActiveChanged(); - void tiltActiveChanged(); - void enabledChanged(); - void maximumZoomLevelChangeChanged(); - void acceptedGesturesChanged(); - void flickDecelerationChanged(); - void pinchStarted(QGeoMapPinchEvent *pinch); - void pinchUpdated(QGeoMapPinchEvent *pinch); - void pinchFinished(QGeoMapPinchEvent *pinch); - void panStarted(); - void panFinished(); - void flickStarted(); - void flickFinished(); - void rotationStarted(QGeoMapPinchEvent *pinch); - void rotationUpdated(QGeoMapPinchEvent *pinch); - void rotationFinished(QGeoMapPinchEvent *pinch); - void tiltStarted(QGeoMapPinchEvent *pinch); - void tiltUpdated(QGeoMapPinchEvent *pinch); - void tiltFinished(QGeoMapPinchEvent *pinch); - void preventStealingChanged(); -private: - void update(); - - // Create general data relating to the touch points - void touchPointStateMachine(); - void startOneTouchPoint(); - void updateOneTouchPoint(); - void startTwoTouchPoints(); - void updateTwoTouchPoints(); - - // All two fingers vertical parallel panning related code, which encompasses tilting - void tiltStateMachine(); - bool canStartTilt(); - void startTilt(); - void updateTilt(); - void endTilt(); - - // All two fingers rotation related code, which encompasses rotation - void rotationStateMachine(); - bool canStartRotation(); - void startRotation(); - void updateRotation(); - void endRotation(); - - // All pinch related code, which encompasses zoom - void pinchStateMachine(); - bool canStartPinch(); - void startPinch(); - void updatePinch(); - void endPinch(); - - // Pan related code (regardles of number of touch points), - // includes the flick based panning after letting go - void panStateMachine(); - bool canStartPan(); - void updatePan(); - bool tryStartFlick(); - void startFlick(int dx, int dy, int timeMs = 0); - void stopFlick(); - - bool pinchEnabled() const; - void setPinchEnabled(bool enabled); - bool rotationEnabled() const; - void setRotationEnabled(bool enabled); - bool tiltEnabled() const; - void setTiltEnabled(bool enabled); - bool panEnabled() const; - void setPanEnabled(bool enabled); - bool flickEnabled() const; - void setFlickEnabled(bool enabled); - -private Q_SLOTS: - void handleFlickAnimationStopped(); - - -private: - void stopPan(); - void clearTouchData(); - void updateFlickParameters(const QPointF &pos); - -private: - QGeoMap* m_map = nullptr; - QDeclarativeGeoMap *m_declarativeMap = nullptr; - bool m_enabled = true; - - // This should be intended as a "two fingers gesture" struct - struct Pinch - { - QGeoMapPinchEvent m_event; - bool m_pinchEnabled = true; - bool m_rotationEnabled = true; - bool m_tiltEnabled = true; - struct Zoom - { - qreal m_minimum = 0.0; - qreal m_maximum = 30.0; - qreal m_start = 0.0; - qreal m_previous = 0.0; - qreal maximumChange = 4.0; - } m_zoom; - - struct Rotation - { - qreal m_startBearing = 0.0; - qreal m_previousTouchAngle = 0.0; // needed for detecting crossing +- 180 in a safer way - qreal m_totalAngle = 0.0; - } m_rotation; - - struct Tilt - { - QPointF m_startTouchCentroid; - qreal m_startTilt; - } m_tilt; - - QPointF m_lastPoint1; - QPointF m_lastPoint2; - qreal m_startDist = 0.0; - qreal m_lastAngle = 0.0; - } m_pinch; - - AcceptedGestures m_acceptedGestures = AllGestures; - - struct Pan - { - qreal m_maxVelocity = 2500; - qreal m_deceleration = 2500; - QQuickGeoCoordinateAnimation *m_animation = nullptr; - bool m_flickEnabled = true; - bool m_panEnabled = true; - } m_flick; - - - // these are calculated regardless of gesture or number of touch points - QVector2D m_flickVector; - QElapsedTimer m_lastPosTime; - QPointF m_lastPos; - QList<QTouchEvent::TouchPoint> m_allPoints; - QList<QTouchEvent::TouchPoint> m_touchPoints; - QPointF m_sceneStartPoint1; - - // only set when two points in contact - QPointF m_sceneStartPoint2; - QGeoCoordinate m_startCoord; - QGeoCoordinate m_touchCenterCoord; - qreal m_twoTouchAngle; - qreal m_twoTouchAngleStart; - qreal m_distanceBetweenTouchPoints; - qreal m_distanceBetweenTouchPointsStart; - QPointF m_twoTouchPointsCentroidStart; - QPointF m_touchPointsCentroid; - bool m_preventStealing = false; - -private: - // prototype state machine... - enum TouchPointState - { - touchPoints0, - touchPoints1, - touchPoints2 - } m_touchPointState; - - enum PinchState - { - pinchInactive, - pinchInactiveTwoPoints, - pinchActive - } m_pinchState; - - enum RotationState - { - rotationInactive, - rotationInactiveTwoPoints, - rotationActive - } m_rotationState; - - enum TiltState - { - tiltInactive, - tiltInactiveTwoPoints, - tiltActive - } m_tiltState; - - enum FlickState - { - flickInactive, - panActive, - flickActive - } m_flickState; - - inline void setTouchPointState(TouchPointState state); - inline void setFlickState(FlickState state); - inline void setTiltState(TiltState state); - inline void setRotationState(RotationState state); - inline void setPinchState(PinchState state); -}; - -QT_END_NAMESPACE -QML_DECLARE_TYPE(QQuickGeoMapGestureArea) - -#endif // QQUICKGEOMAPGESTUREAREA_P_H |