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qquickflickable_p.h

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1/****************************************************************************-
2**-
3** Copyright (C) 2016 The Qt Company Ltd.-
4** Contact: https://www.qt.io/licensing/-
5**-
6** This file is part of the QtQuick 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-
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12** Software or, alternatively, in accordance with the terms contained in-
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15** information use the contact form at https://www.qt.io/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 3 as published by the Free Software-
20** Foundation and appearing in the file LICENSE.LGPL3 included in the-
21** packaging of this file. Please review the following information to-
22** ensure the GNU Lesser General Public License version 3 requirements-
23** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.-
24**-
25** GNU General Public License Usage-
26** Alternatively, this file may be used under the terms of the GNU-
27** General Public License version 2.0 or (at your option) the GNU General-
28** Public license version 3 or any later version approved by the KDE Free-
29** Qt Foundation. The licenses are as published by the Free Software-
30** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3-
31** included in the packaging of this file. Please review the following-
32** information to ensure the GNU General Public License requirements will-
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35**-
36** $QT_END_LICENSE$-
37**-
38****************************************************************************/-
39-
40#ifndef QQUICKFLICKABLE_P_H-
41#define QQUICKFLICKABLE_P_H-
42-
43//-
44// W A R N I N G-
45// --------------
46//-
47// This file is not part of the Qt API. It exists purely as an-
48// implementation detail. This header file may change from version to-
49// version without notice, or even be removed.-
50//-
51// We mean it.-
52//-
53-
54#include "qquickitem.h"-
55#include <private/qtquickglobal_p.h>-
56-
57QT_BEGIN_NAMESPACE-
58-
59class QQuickFlickablePrivate;-
60class QQuickFlickableVisibleArea;-
61class Q_QUICK_PRIVATE_EXPORT QQuickFlickable : public QQuickItem-
62{-
63 Q_OBJECT-
64-
65 Q_PROPERTY(qreal contentWidth READ contentWidth WRITE setContentWidth NOTIFY contentWidthChanged)-
66 Q_PROPERTY(qreal contentHeight READ contentHeight WRITE setContentHeight NOTIFY contentHeightChanged)-
67 Q_PROPERTY(qreal contentX READ contentX WRITE setContentX NOTIFY contentXChanged)-
68 Q_PROPERTY(qreal contentY READ contentY WRITE setContentY NOTIFY contentYChanged)-
69 Q_PROPERTY(QQuickItem *contentItem READ contentItem CONSTANT)-
70-
71 Q_PROPERTY(qreal topMargin READ topMargin WRITE setTopMargin NOTIFY topMarginChanged)-
72 Q_PROPERTY(qreal bottomMargin READ bottomMargin WRITE setBottomMargin NOTIFY bottomMarginChanged)-
73 Q_PROPERTY(qreal originY READ originY NOTIFY originYChanged)-
74-
75 Q_PROPERTY(qreal leftMargin READ leftMargin WRITE setLeftMargin NOTIFY leftMarginChanged)-
76 Q_PROPERTY(qreal rightMargin READ rightMargin WRITE setRightMargin NOTIFY rightMarginChanged)-
77 Q_PROPERTY(qreal originX READ originX NOTIFY originXChanged)-
78-
79 Q_PROPERTY(qreal horizontalVelocity READ horizontalVelocity NOTIFY horizontalVelocityChanged)-
80 Q_PROPERTY(qreal verticalVelocity READ verticalVelocity NOTIFY verticalVelocityChanged)-
81-
82 Q_PROPERTY(BoundsBehavior boundsBehavior READ boundsBehavior WRITE setBoundsBehavior NOTIFY boundsBehaviorChanged)-
83 Q_PROPERTY(BoundsMovement boundsMovement READ boundsMovement WRITE setBoundsMovement NOTIFY boundsMovementChanged REVISION 10)-
84 Q_PROPERTY(QQuickTransition *rebound READ rebound WRITE setRebound NOTIFY reboundChanged)-
85 Q_PROPERTY(qreal maximumFlickVelocity READ maximumFlickVelocity WRITE setMaximumFlickVelocity NOTIFY maximumFlickVelocityChanged)-
86 Q_PROPERTY(qreal flickDeceleration READ flickDeceleration WRITE setFlickDeceleration NOTIFY flickDecelerationChanged)-
87 Q_PROPERTY(bool moving READ isMoving NOTIFY movingChanged)-
88 Q_PROPERTY(bool movingHorizontally READ isMovingHorizontally NOTIFY movingHorizontallyChanged)-
89 Q_PROPERTY(bool movingVertically READ isMovingVertically NOTIFY movingVerticallyChanged)-
90 Q_PROPERTY(bool flicking READ isFlicking NOTIFY flickingChanged)-
91 Q_PROPERTY(bool flickingHorizontally READ isFlickingHorizontally NOTIFY flickingHorizontallyChanged)-
92 Q_PROPERTY(bool flickingVertically READ isFlickingVertically NOTIFY flickingVerticallyChanged)-
93 Q_PROPERTY(bool dragging READ isDragging NOTIFY draggingChanged)-
94 Q_PROPERTY(bool draggingHorizontally READ isDraggingHorizontally NOTIFY draggingHorizontallyChanged)-
95 Q_PROPERTY(bool draggingVertically READ isDraggingVertically NOTIFY draggingVerticallyChanged)-
96 Q_PROPERTY(FlickableDirection flickableDirection READ flickableDirection WRITE setFlickableDirection NOTIFY flickableDirectionChanged)-
97-
98 Q_PROPERTY(bool interactive READ isInteractive WRITE setInteractive NOTIFY interactiveChanged)-
99 Q_PROPERTY(int pressDelay READ pressDelay WRITE setPressDelay NOTIFY pressDelayChanged)-
100-
101 Q_PROPERTY(bool atXEnd READ isAtXEnd NOTIFY isAtBoundaryChanged)-
102 Q_PROPERTY(bool atYEnd READ isAtYEnd NOTIFY isAtBoundaryChanged)-
103 Q_PROPERTY(bool atXBeginning READ isAtXBeginning NOTIFY isAtBoundaryChanged)-
104 Q_PROPERTY(bool atYBeginning READ isAtYBeginning NOTIFY isAtBoundaryChanged)-
105-
106 Q_PROPERTY(QQuickFlickableVisibleArea *visibleArea READ visibleArea CONSTANT)-
107-
108 Q_PROPERTY(bool pixelAligned READ pixelAligned WRITE setPixelAligned NOTIFY pixelAlignedChanged)-
109-
110 Q_PROPERTY(qreal horizontalOvershoot READ horizontalOvershoot NOTIFY horizontalOvershootChanged REVISION 9)-
111 Q_PROPERTY(qreal verticalOvershoot READ verticalOvershoot NOTIFY verticalOvershootChanged REVISION 9)-
112-
113 Q_PROPERTY(QQmlListProperty<QObject> flickableData READ flickableData)-
114 Q_PROPERTY(QQmlListProperty<QQuickItem> flickableChildren READ flickableChildren)-
115 Q_CLASSINFO("DefaultProperty", "flickableData")-
116-
117public:-
118 QQuickFlickable(QQuickItem *parent=nullptr);-
119 ~QQuickFlickable();-
120-
121 QQmlListProperty<QObject> flickableData();-
122 QQmlListProperty<QQuickItem> flickableChildren();-
123-
124 enum BoundsBehaviorFlag {-
125 StopAtBounds = 0x0,-
126 DragOverBounds = 0x1,-
127 OvershootBounds = 0x2,-
128 DragAndOvershootBounds = DragOverBounds | OvershootBounds-
129 };-
130 Q_DECLARE_FLAGS(BoundsBehavior, BoundsBehaviorFlag)-
131 Q_FLAG(BoundsBehavior)-
132-
133 BoundsBehavior boundsBehavior() const;-
134 void setBoundsBehavior(BoundsBehavior);-
135-
136 enum BoundsMovement {-
137 // StopAtBounds = 0x0,-
138 FollowBoundsBehavior = 0x1-
139 };-
140 Q_ENUM(BoundsMovement)-
141-
142 BoundsMovement boundsMovement() const;-
143 void setBoundsMovement(BoundsMovement movement);-
144-
145 QQuickTransition *rebound() const;-
146 void setRebound(QQuickTransition *transition);-
147-
148 qreal contentWidth() const;-
149 void setContentWidth(qreal);-
150-
151 qreal contentHeight() const;-
152 void setContentHeight(qreal);-
153-
154 qreal contentX() const;-
155 virtual void setContentX(qreal pos);-
156-
157 qreal contentY() const;-
158 virtual void setContentY(qreal pos);-
159-
160 qreal topMargin() const;-
161 void setTopMargin(qreal m);-
162-
163 qreal bottomMargin() const;-
164 void setBottomMargin(qreal m);-
165-
166 qreal leftMargin() const;-
167 void setLeftMargin(qreal m);-
168-
169 qreal rightMargin() const;-
170 void setRightMargin(qreal m);-
171-
172 virtual qreal originY() const;-
173 virtual qreal originX() const;-
174-
175 bool isMoving() const;-
176 bool isMovingHorizontally() const;-
177 bool isMovingVertically() const;-
178 bool isFlicking() const;-
179 bool isFlickingHorizontally() const;-
180 bool isFlickingVertically() const;-
181 bool isDragging() const;-
182 bool isDraggingHorizontally() const;-
183 bool isDraggingVertically() const;-
184-
185 int pressDelay() const;-
186 void setPressDelay(int delay);-
187-
188 qreal maximumFlickVelocity() const;-
189 void setMaximumFlickVelocity(qreal);-
190-
191 qreal flickDeceleration() const;-
192 void setFlickDeceleration(qreal);-
193-
194 bool isInteractive() const;-
195 void setInteractive(bool);-
196-
197 qreal horizontalVelocity() const;-
198 qreal verticalVelocity() const;-
199-
200 bool isAtXEnd() const;-
201 bool isAtXBeginning() const;-
202 bool isAtYEnd() const;-
203 bool isAtYBeginning() const;-
204-
205 QQuickItem *contentItem() const;-
206-
207 enum FlickableDirection { AutoFlickDirection=0x0, HorizontalFlick=0x1, VerticalFlick=0x2, HorizontalAndVerticalFlick=0x3,-
208 AutoFlickIfNeeded=0xc };-
209 Q_ENUM(FlickableDirection)-
210 FlickableDirection flickableDirection() const;-
211 void setFlickableDirection(FlickableDirection);-
212-
213 bool pixelAligned() const;-
214 void setPixelAligned(bool align);-
215-
216 qreal horizontalOvershoot() const;-
217 qreal verticalOvershoot() const;-
218-
219 Q_INVOKABLE void resizeContent(qreal w, qreal h, QPointF center);-
220 Q_INVOKABLE void returnToBounds();-
221 Q_INVOKABLE void flick(qreal xVelocity, qreal yVelocity);-
222 Q_INVOKABLE void cancelFlick();-
223-
224Q_SIGNALS:-
225 void contentWidthChanged();-
226 void contentHeightChanged();-
227 void contentXChanged();-
228 void contentYChanged();-
229 void topMarginChanged();-
230 void bottomMarginChanged();-
231 void leftMarginChanged();-
232 void rightMarginChanged();-
233 void originYChanged();-
234 void originXChanged();-
235 void movingChanged();-
236 void movingHorizontallyChanged();-
237 void movingVerticallyChanged();-
238 void flickingChanged();-
239 void flickingHorizontallyChanged();-
240 void flickingVerticallyChanged();-
241 void draggingChanged();-
242 void draggingHorizontallyChanged();-
243 void draggingVerticallyChanged();-
244 void horizontalVelocityChanged();-
245 void verticalVelocityChanged();-
246 void isAtBoundaryChanged();-
247 void flickableDirectionChanged();-
248 void interactiveChanged();-
249 void boundsBehaviorChanged();-
250 Q_REVISION(10) void boundsMovementChanged();-
251 void reboundChanged();-
252 void maximumFlickVelocityChanged();-
253 void flickDecelerationChanged();-
254 void pressDelayChanged();-
255 void movementStarted();-
256 void movementEnded();-
257 void flickStarted();-
258 void flickEnded();-
259 void dragStarted();-
260 void dragEnded();-
261 void pixelAlignedChanged();-
262 Q_REVISION(9) void horizontalOvershootChanged();-
263 Q_REVISION(9) void verticalOvershootChanged();-
264-
265protected:-
266 bool childMouseEventFilter(QQuickItem *, QEvent *) override;-
267 void mousePressEvent(QMouseEvent *event) override;-
268 void mouseMoveEvent(QMouseEvent *event) override;-
269 void mouseReleaseEvent(QMouseEvent *event) override;-
270#if QT_CONFIG(wheelevent)-
271 void wheelEvent(QWheelEvent *event) override;-
272#endif-
273 void timerEvent(QTimerEvent *event) override;-
274-
275 QQuickFlickableVisibleArea *visibleArea();-
276-
277protected Q_SLOTS:-
278 void movementStarting();-
279 void movementEnding();-
280 void movementEnding(bool hMovementEnding, bool vMovementEnding);-
281 void velocityTimelineCompleted();-
282 void timelineCompleted();-
283-
284protected:-
285 virtual qreal minXExtent() const;-
286 virtual qreal minYExtent() const;-
287 virtual qreal maxXExtent() const;-
288 virtual qreal maxYExtent() const;-
289 qreal vWidth() const;-
290 qreal vHeight() const;-
291 void componentComplete() override;-
292 virtual void viewportMoved(Qt::Orientations orient);-
293 void geometryChanged(const QRectF &newGeometry,-
294 const QRectF &oldGeometry) override;-
295 void mouseUngrabEvent() override;-
296 bool filterMouseEvent(QQuickItem *receiver, QMouseEvent *event);-
297-
298 bool xflick() const;-
299 bool yflick() const;-
300-
301protected:-
302 QQuickFlickable(QQuickFlickablePrivate &dd, QQuickItem *parent);-
303-
304private:-
305 Q_DISABLE_COPY(QQuickFlickable)-
306 Q_DECLARE_PRIVATE(QQuickFlickable)
executed 125369 times by 18 tests: return reinterpret_cast<QQuickFlickablePrivate *>(qGetPtrHelper(d_ptr));
Executed by:
  • tst_examples
  • tst_flickableinterop
  • tst_qqmlecmascript
  • tst_qqmllistmodel
  • tst_qqmltypeloader
  • tst_qqmlvaluetypes
  • tst_qquickanimations
  • tst_qquickflickable
  • tst_qquickgridview
  • tst_qquickimage
  • tst_qquicklistview
  • tst_qquickmousearea
  • tst_qquickmultipointtoucharea
  • tst_qquickpathview
  • tst_qquickspringanimation
  • tst_qquicktableview
  • tst_qquickvisualdatamodel
  • tst_touchmouse
executed 752497 times by 18 tests: return reinterpret_cast<const QQuickFlickablePrivate *>(qGetPtrHelper(d_ptr));
Executed by:
  • tst_examples
  • tst_flickableinterop
  • tst_qqmlecmascript
  • tst_qqmllistmodel
  • tst_qqmltypeloader
  • tst_qqmlvaluetypes
  • tst_qquickanimations
  • tst_qquickflickable
  • tst_qquickgridview
  • tst_qquickimage
  • tst_qquicklistview
  • tst_qquickmousearea
  • tst_qquickmultipointtoucharea
  • tst_qquickpathview
  • tst_qquickspringanimation
  • tst_qquicktableview
  • tst_qquickvisualdatamodel
  • tst_touchmouse
125369-752497
307 friend class QQuickFlickableContentItem;-
308 friend class QQuickFlickableVisibleArea;-
309 friend class QQuickFlickableReboundTransition;-
310};-
311-
312QT_END_NAMESPACE-
313-
314QML_DECLARE_TYPE(QQuickFlickable)-
315-
316#endif // QQUICKFLICKABLE_P_H-
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