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qquicktaphandler.cpp

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1 /**************************************************************************** -

2 ** -

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 -

11 ** accordance with the commercial license agreement provided with the -

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13 ** a written agreement between you and The Qt Company. For licensing terms -

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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 -

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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 -

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32 ** information to ensure the GNU General Public License requirements will -

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34 ** https://www.gnu.org/licenses/gpl-3.0.html. -

35 ** -

36 ** $QT_END_LICENSE$ -

37 ** -

38 ****************************************************************************/ -

39 -

40 #include "qquicktaphandler_p.h" -

41 #include <qpa/qplatformtheme.h> -

42 #include <private/qguiapplication_p.h> -

43 #include <QtGui/qstylehints.h> -

44 -

45 QT_BEGIN_NAMESPACE -

46 -

Q_LOGGING_CATEGORY(lcTapHandler, "qt.quick.handler.tap")

executed 358 times by 3 tests: return category;

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48 -

49 qreal QQuickTapHandler::m_multiTapInterval(0.0); -

50 // single tap distance is the same as the drag threshold -

51 int QQuickTapHandler::m_mouseMultiClickDistanceSquared(-1); -

52 int QQuickTapHandler::m_touchMultiTapDistanceSquared(-1); -

53 -

54 /*! -

55 \qmltype TapHandler -

56 \instantiates QQuickTapHandler -

57 \inherits SinglePointHandler -

58 \inqmlmodule Qt.labs.handlers -

59 \ingroup qtquick-handlers -

60 \brief Handler for taps and clicks. -

61 -

62 TapHandler is a handler for taps on a touchscreen or clicks on a mouse. -

63 -

64 Detection of a valid tap gesture depends on \l gesturePolicy. The default -

65 value is DragThreshold, which requires the press and release to be close -

66 together in both space and time. In this case, DragHandler is able to -

67 function using only a passive grab, and therefore does not interfere with -

68 event delivery to any other Items or Pointer Handlers. So the default -

69 gesturePolicy is useful when you want to modify behavior of an existing -

70 control or Item by adding a TapHandler with bindings and/or JavaScript -

71 callbacks. -

72 -

73 Note that buttons (such as QPushButton) are often implemented not to care -

74 whether the press and release occur close together: if you press the button -

75 and then change your mind, you need to drag all the way off the edge of the -

76 button in order to cancel the click. For this use case, set the -

77 \l gesturePolicy to \c TapHandler.ReleaseWithinBounds. -

78 -

79 For multi-tap gestures (double-tap, triple-tap etc.), the distance moved -

80 must not exceed QPlatformTheme::MouseDoubleClickDistance with mouse and -

81 QPlatformTheme::TouchDoubleTapDistance with touch, and the time between -

82 taps must not exceed QStyleHints::mouseDoubleClickInterval(). -

83 -

84 \sa MouseArea -

85 */ -

86 -

87 QQuickTapHandler::QQuickTapHandler(QObject *parent) -

88 : QQuickSinglePointHandler(parent) -

89 , m_pressed(false) -

90 , m_gesturePolicy(DragThreshold) -

91 , m_tapCount(0) -

92 , m_longPressThreshold(-1) -

93 , m_lastTapTimestamp(0.0) -

94 { -

if (m_mouseMultiClickDistanceSquared < 0) {

m_mouseMultiCl...nceSquared < 0	Description
TRUE	evaluated 8 times by 4 tests Evaluated by: tst_examples tst_flickableinterop tst_qquickdraghandler tst_qquicktaphandler
FALSE	evaluated 596 times by 4 tests Evaluated by: tst_examples tst_flickableinterop tst_qquickdraghandler tst_qquicktaphandler

8-596

96 m_multiTapInterval = qApp->styleHints()->mouseDoubleClickInterval() / 1000.0; -

97 m_mouseMultiClickDistanceSquared = QGuiApplicationPrivate::platformTheme()-> -

98 themeHint(QPlatformTheme::MouseDoubleClickDistance).toInt(); -

99 m_mouseMultiClickDistanceSquared *= m_mouseMultiClickDistanceSquared; -

100 m_touchMultiTapDistanceSquared = QGuiApplicationPrivate::platformTheme()-> -

101 themeHint(QPlatformTheme::TouchDoubleTapDistance).toInt(); -

102 m_touchMultiTapDistanceSquared *= m_touchMultiTapDistanceSquared; -

103

}

executed 8 times by 4 tests: end of block

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104

}

executed 604 times by 4 tests: end of block

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105 -

106 QQuickTapHandler::~QQuickTapHandler() -

107 { -

108 } -

109 -

110 static bool dragOverThreshold(const QQuickEventPoint *point) -

111 { -

112 QPointF delta = point->scenePosition() - point->scenePressPosition(); -

113

return (QQuickWindowPrivate::dragOverThreshold(delta.x(), Qt::XAxis, point) ||

executed 2496 times by 3 tests:

return (QQuickWindowPrivate::dragOverThreshold(delta.x(), Qt::XAxis, point) || QQuickWindowPrivate::dragOverThreshold(delta.y(), Qt::YAxis, point));

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2496

114

QQuickWindowPrivate::dragOverThreshold(delta.y(), Qt::YAxis, point));

executed 2496 times by 3 tests:

return (QQuickWindowPrivate::dragOverThreshold(delta.x(), Qt::XAxis, point) || QQuickWindowPrivate::dragOverThreshold(delta.y(), Qt::YAxis, point));

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2496

115 } -

116 -

117 bool QQuickTapHandler::wantsEventPoint(QQuickEventPoint *point) -

118 { -

119 // If the user has not violated any constraint, it could be a tap. -

120 // Otherwise we want to give up the grab so that a competing handler -

121 // (e.g. DragHandler) gets a chance to take over. -

122 // Don't forget to emit released in case of a cancel. -

123 bool ret = false; -

124 switch (point->state()) { -

125

case QQuickEventPoint::Pressed:

executed 1168 times by 3 tests: case QQuickEventPoint::Pressed:

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1168

126

case QQuickEventPoint::Released:

executed 1546 times by 3 tests: case QQuickEventPoint::Released:

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127 ret = parentContains(point); -

128

break;

executed 2714 times by 3 tests: break;

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2714

129

case QQuickEventPoint::Updated:

executed 2816 times by 3 tests: case QQuickEventPoint::Updated:

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2816

130 switch (m_gesturePolicy) { -

131

case DragThreshold:

executed 2496 times by 3 tests: case DragThreshold:

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2496

132 ret = !dragOverThreshold(point); -

133

break;

executed 2496 times by 3 tests: break;

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2496

134

case WithinBounds:

executed 156 times by 2 tests: case WithinBounds:

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135 ret = parentContains(point); -

136

break;

executed 156 times by 2 tests: break;

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137

case ReleaseWithinBounds:

executed 164 times by 2 tests: case ReleaseWithinBounds:

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138 ret = point->pointId() == this->point().id(); -

139

break;

executed 164 times by 2 tests: break;

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164

140 } -

141

break;

executed 2816 times by 3 tests: break;

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2816

142

case QQuickEventPoint::Stationary:

executed 262 times by 2 tests: case QQuickEventPoint::Stationary:

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262

143 // Never react in any way when the point hasn't moved. -

144 // In autotests, the point's position may not even be correct, because -

145 // QTest::touchEvent(window, touchDevice).stationary(1) -

146 // provides no opportunity to give a position, so it ends up being random. -

147

break;

executed 262 times by 2 tests: break;

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262

148 } -

149 // If this is the grabber, returning false from this function will cancel the grab, -

150 // so onGrabChanged(this, CancelGrabExclusive, point) and setPressed(false) will be called. -

151 // But when m_gesturePolicy is DragThreshold, we don't get an exclusive grab, but -

152 // we still don't want to be pressed anymore. -

153

if (!ret && point->pointId() == this->point().id() && point->state() != QQuickEventPoint::Stationary)

!ret	Description
TRUE	evaluated 3442 times by 3 tests Evaluated by: tst_flickableinterop tst_qquickdraghandler tst_qquicktaphandler
FALSE	evaluated 2350 times by 3 tests Evaluated by: tst_flickableinterop tst_qquickdraghandler tst_qquicktaphandler

point->pointId...->point().id()	Description
TRUE	evaluated 596 times by 3 tests Evaluated by: tst_flickableinterop tst_qquickdraghandler tst_qquicktaphandler
FALSE	evaluated 2846 times by 3 tests Evaluated by: tst_flickableinterop tst_qquickdraghandler tst_qquicktaphandler

point->state()...nt::Stationary	Description
TRUE	evaluated 538 times by 3 tests Evaluated by: tst_flickableinterop tst_qquickdraghandler tst_qquicktaphandler
FALSE	evaluated 58 times by 2 tests Evaluated by: tst_flickableinterop tst_qquicktaphandler

58-3442

154

setPressed(false, true, point);

executed 538 times by 3 tests: setPressed(false, true, point);

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155

return ret;

executed 5792 times by 3 tests: return ret;

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5792

156 } -

157 -

158 void QQuickTapHandler::handleEventPoint(QQuickEventPoint *point) -

159 { -

160 switch (point->state()) { -

161

case QQuickEventPoint::Pressed:

executed 156 times by 3 tests: case QQuickEventPoint::Pressed:

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162 setPressed(true, false, point); -

163

break;

executed 156 times by 3 tests: break;

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156

164

case QQuickEventPoint::Released:

executed 120 times by 3 tests: case QQuickEventPoint::Released:

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120

165

if ((point->pointerEvent()->buttons() & acceptedButtons()) == Qt::NoButton)

(point->pointe...= Qt::NoButton	Description
TRUE	evaluated 120 times by 3 tests Evaluated by: tst_flickableinterop tst_qquickdraghandler tst_qquicktaphandler
FALSE	never evaluated

0-120

166

setPressed(false, false, point);

executed 120 times by 3 tests: setPressed(false, false, point);

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120

167

break;

executed 120 times by 3 tests: break;

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120

168

default:

executed 680 times by 3 tests: default:

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680

169

break;

executed 680 times by 3 tests: break;

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680

170 } -

171 } -

172 -

173 /*! -

174 \qmlproperty real QtQuick::TapHandler::longPressThreshold -

175 -

176 The time in seconds that an event point must be pressed in order to -

177 trigger a long press gesture and emit the \l longPressed() signal. -

178 If the point is released before this time limit, a tap can be detected -

179 if the \l gesturePolicy constraint is satisfied. The default value is -

180 QStyleHints::mousePressAndHoldInterval() converted to seconds. -

181 */ -

182 qreal QQuickTapHandler::longPressThreshold() const -

183 { -

184

return longPressThresholdMilliseconds() / 1000.0;

executed 64 times by 2 tests: return longPressThresholdMilliseconds() / 1000.0;

Executed by:

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185 } -

186 -

187 void QQuickTapHandler::setLongPressThreshold(qreal longPressThreshold) -

188 { -

189 int ms = qRound(longPressThreshold * 1000); -

190

if (m_longPressThreshold == ms)

m_longPressThreshold == ms	Description
TRUE	never evaluated
FALSE	evaluated 222 times by 2 tests Evaluated by: tst_flickableinterop tst_qquicktaphandler

0-222

191

return;

never executed: return;

192 -

193 m_longPressThreshold = ms; -

194 emit longPressThresholdChanged(); -

195

}

executed 222 times by 2 tests: end of block

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222

196 -

197 int QQuickTapHandler::longPressThresholdMilliseconds() const -

198 { -

199

return (m_longPressThreshold < 0 ? QGuiApplication::styleHints()->mousePressAndHoldInterval() : m_longPressThreshold);

executed 212 times by 3 tests: return (m_longPressThreshold < 0 ? QGuiApplication::styleHints()->mousePressAndHoldInterval() : m_longPressThreshold);

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212

200 } -

201 -

202 void QQuickTapHandler::timerEvent(QTimerEvent *event) -

203 { -

204

if (event->timerId() == m_longPressTimer.timerId()) {

event->timerId...imer.timerId()	Description
TRUE	evaluated 4 times by 1 test Evaluated by: tst_qquicktaphandler
FALSE	never evaluated

0-4

205 m_longPressTimer.stop(); -

206

qCDebug(lcTapHandler) << objectName() << "longPressed";

never executed:

QMessageLogger(__FILE__, 206, __PRETTY_FUNCTION__, lcTapHandler().categoryName()).debug() << objectName() << "longPressed";

qt_category_enabled	Description
TRUE	never evaluated
FALSE	evaluated 4 times by 1 test Evaluated by: tst_qquicktaphandler

0-4

207 emit longPressed(); -

208

}

executed 4 times by 1 test: end of block

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209

}

executed 4 times by 1 test: end of block

Executed by:

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210 -

211 /*! -

212 \qmlsignal QtQuick::TapHandler::tapped() -

213 -

214 This signal is emitted when the pointer device taps the item. -

215 */ -

216 -

217 /*! -

218 \qmlsignal QtQuick::TapHandler::longPressed() -

219 -

220 This signal is emitted when a press occurs that is longer than the -

221 \l {TapHandler::longPressThreshold} {long press threshold}. -

222 */ -

223 -

224 /*! -

225 \qmlproperty enumeration QtQuick::TapHandler::gesturePolicy -

226 -

227 The spatial constraint for a tap or long press gesture to be recognized, -

228 in addition to the constraint that the release must occur before -

229 \l longPressThreshold has elapsed. If these constraints are not satisfied, -

230 the \l tapped signal is not emitted, and \l tapCount is not incremented. -

231 If the spatial constraint is violated, \l pressed transitions immediately -

232 from true to false, regardless of the time held. -

233 -

234 \value TapHandler.DragThreshold -

235 (the default value) The event point must not move significantly. -

236 If the mouse, finger or stylus moves past the system-wide drag -

237 threshold (QStyleHints::startDragDistance), the tap gesture is -

238 canceled, even if the button or finger is still pressed. This policy -

239 can be useful whenever TapHandler needs to cooperate with other -

240 pointer handlers (for example \l DragHandler) or event-handling Items -

241 (for example QtQuick Controls), because in this case TapHandler -

242 will not take the exclusive grab, but merely a passive grab. -

243 -

244 \value TapHandler.WithinBounds -

245 If the event point leaves the bounds of the \l target item, the tap -

246 gesture is canceled. The TapHandler will take the exclusive grab on -

247 press, but will release the grab as soon as the boundary constraint -

248 is no longer satisfied. -

249 -

250 \value TapHandler.ReleaseWithinBounds -

251 At the time of release (the mouse button is released or the finger -

252 is lifted), if the event point is outside the bounds of the -

253 \l target item, a tap gesture is not recognized. This corresponds to -

254 typical behavior for button widgets: you can cancel a click by -

255 dragging outside the button, and you can also change your mind by -

256 dragging back inside the button before release. Note that it's -

257 necessary for TapHandler take the exclusive grab on press and retain -

258 it until release in order to detect this gesture. -

259 */ -

260 void QQuickTapHandler::setGesturePolicy(QQuickTapHandler::GesturePolicy gesturePolicy) -

261 { -

262

if (m_gesturePolicy == gesturePolicy)

m_gesturePolic... gesturePolicy	Description
TRUE	evaluated 448 times by 3 tests Evaluated by: tst_flickableinterop tst_qquickdraghandler tst_qquicktaphandler
FALSE	evaluated 146 times by 2 tests Evaluated by: tst_flickableinterop tst_qquicktaphandler

146-448

263

return;

executed 448 times by 3 tests: return;

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448

264 -

265 m_gesturePolicy = gesturePolicy; -

266 emit gesturePolicyChanged(); -

267

}

executed 146 times by 2 tests: end of block

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146

268 -

269 /*! -

270 \qmlproperty bool QtQuick::TapHandler::pressed -

271 \readonly -

272 -

273 Holds true whenever the mouse or touch point is pressed, -

274 and any movement since the press is compliant with the current -

275 \l gesturePolicy. When the event point is released or the policy is -

276 violated, \e pressed will change to false. -

277 */ -

278 void QQuickTapHandler::setPressed(bool press, bool cancel, QQuickEventPoint *point) -

279 { -

280

if (m_pressed != press) {

m_pressed != press	Description
TRUE	evaluated 290 times by 3 tests Evaluated by: tst_flickableinterop tst_qquickdraghandler tst_qquicktaphandler
FALSE	evaluated 614 times by 3 tests Evaluated by: tst_flickableinterop tst_qquickdraghandler tst_qquicktaphandler

290-614

281

qCDebug(lcTapHandler) << objectName() << "pressed" << m_pressed << "->" << press << (cancel ? "CANCEL" : "") << point;

never executed:

QMessageLogger(__FILE__, 281, __PRETTY_FUNCTION__, lcTapHandler().categoryName()).debug() << objectName() << "pressed" << m_pressed << "->" << press << (cancel ? "CANCEL" : "") << point;

qt_category_enabled	Description
TRUE	never evaluated
FALSE	evaluated 290 times by 3 tests Evaluated by: tst_flickableinterop tst_qquickdraghandler tst_qquicktaphandler

0-290

282 m_pressed = press; -

283 connectPreRenderSignal(press); -

284 updateTimeHeld(); -

285

if (press) {

press	Description
TRUE	evaluated 148 times by 3 tests Evaluated by: tst_flickableinterop tst_qquickdraghandler tst_qquicktaphandler
FALSE	evaluated 142 times by 3 tests Evaluated by: tst_flickableinterop tst_qquickdraghandler tst_qquicktaphandler

142-148

286 m_longPressTimer.start(longPressThresholdMilliseconds(), this); -

287 m_holdTimer.start(); -

288

} else {

executed 148 times by 3 tests: end of block

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148

289 m_longPressTimer.stop(); -

290 m_holdTimer.invalidate(); -

291

}

executed 142 times by 3 tests: end of block

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142

292

if (press) {

press	Description
TRUE	evaluated 148 times by 3 tests Evaluated by: tst_flickableinterop tst_qquickdraghandler tst_qquicktaphandler
FALSE	evaluated 142 times by 3 tests Evaluated by: tst_flickableinterop tst_qquickdraghandler tst_qquicktaphandler

142-148

293 // on press, grab before emitting changed signals -

294

if (m_gesturePolicy == DragThreshold)

m_gesturePolic... DragThreshold	Description
TRUE	evaluated 98 times by 3 tests Evaluated by: tst_flickableinterop tst_qquickdraghandler tst_qquicktaphandler
FALSE	evaluated 50 times by 2 tests Evaluated by: tst_flickableinterop tst_qquicktaphandler

50-98

295

setPassiveGrab(point, press);

executed 98 times by 3 tests: setPassiveGrab(point, press);

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296 else -

297

setExclusiveGrab(point, press);

executed 50 times by 2 tests: setExclusiveGrab(point, press);

Executed by:

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298 } -

299

if (!cancel && !press && parentContains(point)) {

!cancel	Description
TRUE	evaluated 212 times by 3 tests Evaluated by: tst_flickableinterop tst_qquickdraghandler tst_qquicktaphandler
FALSE	evaluated 78 times by 3 tests Evaluated by: tst_flickableinterop tst_qquickdraghandler tst_qquicktaphandler

!press	Description
TRUE	evaluated 64 times by 2 tests Evaluated by: tst_flickableinterop tst_qquicktaphandler
FALSE	evaluated 148 times by 3 tests Evaluated by: tst_flickableinterop tst_qquickdraghandler tst_qquicktaphandler

parentContains(point)	Description
TRUE	evaluated 64 times by 2 tests Evaluated by: tst_flickableinterop tst_qquicktaphandler
FALSE	never evaluated

0-212

300

if (point->timeHeld() < longPressThreshold()) {

point->timeHel...essThreshold()	Description
TRUE	evaluated 60 times by 2 tests Evaluated by: tst_flickableinterop tst_qquicktaphandler
FALSE	evaluated 4 times by 1 test Evaluated by: tst_qquicktaphandler

4-60

301 // Assuming here that pointerEvent()->timestamp() is in ms. -

302 qreal ts = point->pointerEvent()->timestamp() / 1000.0; -

303

if (ts - m_lastTapTimestamp < m_multiTapInterval &&

ts - m_lastTap...ltiTapInterval	Description
TRUE	evaluated 16 times by 2 tests Evaluated by: tst_flickableinterop tst_qquicktaphandler
FALSE	evaluated 44 times by 2 tests Evaluated by: tst_flickableinterop tst_qquicktaphandler

16-44

304

QVector2D(point->scenePosition() - m_lastTapPos).lengthSquared() <

QVector2D(poin...stanceSquared)	Description
TRUE	evaluated 2 times by 1 test Evaluated by: tst_qquicktaphandler
FALSE	evaluated 14 times by 2 tests Evaluated by: tst_flickableinterop tst_qquicktaphandler

2-14

305

(point->pointerEvent()->device()->type() == QQuickPointerDevice::Mouse ?

QVector2D(poin...stanceSquared)	Description
TRUE	evaluated 2 times by 1 test Evaluated by: tst_qquicktaphandler
FALSE	evaluated 14 times by 2 tests Evaluated by: tst_flickableinterop tst_qquicktaphandler

2-14

306

m_mouseMultiClickDistanceSquared : m_touchMultiTapDistanceSquared))

QVector2D(poin...stanceSquared)	Description
TRUE	evaluated 2 times by 1 test Evaluated by: tst_qquicktaphandler
FALSE	evaluated 14 times by 2 tests Evaluated by: tst_flickableinterop tst_qquicktaphandler

2-14

307

++m_tapCount;

executed 2 times by 1 test: ++m_tapCount;

Executed by:

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308 else -

309

m_tapCount = 1;

executed 58 times by 2 tests: m_tapCount = 1;

Executed by:

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310

qCDebug(lcTapHandler) << objectName() << "tapped" << m_tapCount << "times";

never executed:

QMessageLogger(__FILE__, 310, __PRETTY_FUNCTION__, lcTapHandler().categoryName()).debug() << objectName() << "tapped" << m_tapCount << "times";

qt_category_enabled	Description
TRUE	never evaluated
FALSE	evaluated 60 times by 2 tests Evaluated by: tst_flickableinterop tst_qquicktaphandler

0-60

311 emit tapped(); -

312 emit tapCountChanged(); -

313

if (m_tapCount == 1)

m_tapCount == 1	Description
TRUE	evaluated 58 times by 2 tests Evaluated by: tst_flickableinterop tst_qquicktaphandler
FALSE	evaluated 2 times by 1 test Evaluated by: tst_qquicktaphandler

2-58

314

emit singleTapped();

executed 58 times by 2 tests: singleTapped();

Executed by:

tst_flickableinterop
tst_qquicktaphandler

315

else if (m_tapCount == 2)

m_tapCount == 2	Description
TRUE	evaluated 2 times by 1 test Evaluated by: tst_qquicktaphandler
FALSE	never evaluated

0-2

316

emit doubleTapped();

executed 2 times by 1 test: doubleTapped();

Executed by:

tst_qquicktaphandler

317 m_lastTapTimestamp = ts; -

318 m_lastTapPos = point->scenePosition(); -

319

} else {

executed 60 times by 2 tests: end of block

Executed by:

tst_flickableinterop
tst_qquicktaphandler

320

qCDebug(lcTapHandler) << objectName() << "tap threshold" << longPressThreshold() << "exceeded:" << point->timeHeld();

never executed:

QMessageLogger(__FILE__, 320, __PRETTY_FUNCTION__, lcTapHandler().categoryName()).debug() << objectName() << "tap threshold" << longPressThreshold() << "exceeded:" << point->timeHeld();

qt_category_enabled	Description
TRUE	never evaluated
FALSE	evaluated 4 times by 1 test Evaluated by: tst_qquicktaphandler

0-4

321

}

executed 4 times by 1 test: end of block

Executed by:

tst_qquicktaphandler

322 } -

323 emit pressedChanged(); -

324

if (!press && m_gesturePolicy != DragThreshold) {

!press	Description
TRUE	evaluated 142 times by 3 tests Evaluated by: tst_flickableinterop tst_qquickdraghandler tst_qquicktaphandler
FALSE	evaluated 148 times by 3 tests Evaluated by: tst_flickableinterop tst_qquickdraghandler tst_qquicktaphandler

m_gesturePolic... DragThreshold	Description
TRUE	evaluated 46 times by 2 tests Evaluated by: tst_flickableinterop tst_qquicktaphandler
FALSE	evaluated 96 times by 3 tests Evaluated by: tst_flickableinterop tst_qquickdraghandler tst_qquicktaphandler

46-148

325 // on release, ungrab after emitting changed signals -

326 setExclusiveGrab(point, press); -

327

}

executed 46 times by 2 tests: end of block

Executed by:

tst_flickableinterop
tst_qquicktaphandler

328

if (cancel)

cancel	Description
TRUE	evaluated 78 times by 3 tests Evaluated by: tst_flickableinterop tst_qquickdraghandler tst_qquicktaphandler
FALSE	evaluated 212 times by 3 tests Evaluated by: tst_flickableinterop tst_qquickdraghandler tst_qquicktaphandler

78-212

329

emit canceled(point);

executed 78 times by 3 tests: canceled(point);

Executed by:

tst_flickableinterop
tst_qquickdraghandler
tst_qquicktaphandler

330

}

executed 290 times by 3 tests: end of block

Executed by:

tst_flickableinterop
tst_qquickdraghandler
tst_qquicktaphandler

290

331

}

executed 904 times by 3 tests: end of block

Executed by:

tst_flickableinterop
tst_qquickdraghandler
tst_qquicktaphandler

904

332 -

333 void QQuickTapHandler::onGrabChanged(QQuickPointerHandler *grabber, QQuickEventPoint::GrabState stateChange, QQuickEventPoint *point) -

334 { -

335 QQuickSinglePointHandler::onGrabChanged(grabber, stateChange, point); -

336

bool isCanceled = stateChange == QQuickEventPoint::CancelGrabExclusive || stateChange == QQuickEventPoint::CancelGrabPassive;

stateChange ==...lGrabExclusive	Description
TRUE	evaluated 8 times by 1 test Evaluated by: tst_flickableinterop
FALSE	evaluated 268 times by 3 tests Evaluated by: tst_flickableinterop tst_qquickdraghandler tst_qquicktaphandler

stateChange ==...celGrabPassive	Description
TRUE	evaluated 24 times by 1 test Evaluated by: tst_qquickdraghandler
FALSE	evaluated 244 times by 3 tests Evaluated by: tst_flickableinterop tst_qquickdraghandler tst_qquicktaphandler

8-268

337

if (grabber == this && (isCanceled || point->state() == QQuickEventPoint::Released))

grabber == this	Description
TRUE	evaluated 254 times by 3 tests Evaluated by: tst_flickableinterop tst_qquickdraghandler tst_qquicktaphandler
FALSE	evaluated 22 times by 2 tests Evaluated by: tst_flickableinterop tst_qquickdraghandler

isCanceled	Description
TRUE	evaluated 32 times by 2 tests Evaluated by: tst_flickableinterop tst_qquickdraghandler
FALSE	evaluated 222 times by 3 tests Evaluated by: tst_flickableinterop tst_qquickdraghandler tst_qquicktaphandler

point->state()...oint::Released	Description
TRUE	evaluated 58 times by 2 tests Evaluated by: tst_flickableinterop tst_qquicktaphandler
FALSE	evaluated 164 times by 3 tests Evaluated by: tst_flickableinterop tst_qquickdraghandler tst_qquicktaphandler

22-254

338

setPressed(false, isCanceled, point);

executed 90 times by 3 tests: setPressed(false, isCanceled, point);

Executed by:

tst_flickableinterop
tst_qquickdraghandler
tst_qquicktaphandler

339

}

executed 276 times by 3 tests: end of block

Executed by:

tst_flickableinterop
tst_qquickdraghandler
tst_qquicktaphandler

276

340 -

341 void QQuickTapHandler::connectPreRenderSignal(bool conn) -

342 { -

343

if (conn)

conn	Description
TRUE	evaluated 148 times by 3 tests Evaluated by: tst_flickableinterop tst_qquickdraghandler tst_qquicktaphandler
FALSE	evaluated 142 times by 3 tests Evaluated by: tst_flickableinterop tst_qquickdraghandler tst_qquicktaphandler

142-148

344

connect(parentItem()->window(), &QQuickWindow::beforeSynchronizing, this, &QQuickTapHandler::updateTimeHeld);

executed 148 times by 3 tests: connect(parentItem()->window(), &QQuickWindow::beforeSynchronizing, this, &QQuickTapHandler::updateTimeHeld);

Executed by:

tst_flickableinterop
tst_qquickdraghandler
tst_qquicktaphandler

148

345 else -

346

disconnect(parentItem()->window(), &QQuickWindow::beforeSynchronizing, this, &QQuickTapHandler::updateTimeHeld);

executed 142 times by 3 tests: disconnect(parentItem()->window(), &QQuickWindow::beforeSynchronizing, this, &QQuickTapHandler::updateTimeHeld);

Executed by:

tst_flickableinterop
tst_qquickdraghandler
tst_qquicktaphandler

142

347 } -

348 -

349 void QQuickTapHandler::updateTimeHeld() -

350 { -

351 emit timeHeldChanged(); -

352

}

executed 594 times by 3 tests: end of block

Executed by:

tst_flickableinterop
tst_qquickdraghandler
tst_qquicktaphandler

594

353 -

354 /*! -

355 \qmlproperty int QtQuick::TapHandler::tapCount -

356 \readonly -

357 -

358 The number of taps which have occurred within the time and space -

359 constraints to be considered a single gesture. For example, to detect -

360 a triple-tap, you can write: -

361 -

362 \qml -

363 Rectangle { -

364 width: 100; height: 30 -

365 signal tripleTap -

366 TapHandler { -

367 acceptedButtons: Qt.AllButtons -

368 onTapped: if (tapCount == 3) tripleTap() -

369 } -

370 } -

371 \endqml -

372 */ -

373 -

374 /*! -

375 \qmlproperty real QtQuick::TapHandler::timeHeld -

376 \readonly -

377 -

378 The amount of time in seconds that a pressed point has been held, without -

379 moving beyond the drag threshold. It will be updated at least once per -

380 frame rendered, which enables rendering an animation showing the progress -

381 towards an action which will be triggered by a long-press. It is also -

382 possible to trigger one of a series of actions depending on how long the -

383 press is held. -

384 -

385 A value of less than zero means no point is being held within this -

386 handler's \l [QML] Item. -

387 */ -

388 -

389 /*! -

390 \qmlsignal TapHandler::singleTapped -

391 \since 5.11 -

392 -

393 This signal is emitted when the \l target is tapped once. After an amount -

394 of time greater than QStyleHints::mouseDoubleClickInterval, it can be -

395 tapped again; but if the time until the next tap is less, \l tapCount -

396 will increase. -

397 */ -

398 -

399 /*! -

400 \qmlsignal TapHandler::doubleTapped -

401 \since 5.11 -

402 -

403 This signal is emitted when the \l target is tapped twice within a short -

404 span of time (QStyleHints::mouseDoubleClickInterval) and distance -

405 (QPlatformTheme::MouseDoubleClickDistance or -

406 QPlatformTheme::TouchDoubleTapDistance). This signal always occurs -

407 after singleTapped, tapped and tapCountChanged. -

408 */ -

409 QT_END_NAMESPACE -

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