diff options
Diffstat (limited to 'examples/gestures/collidingmice/gesturerecognizerlinjazax.cpp')
| -rw-r--r-- | examples/gestures/collidingmice/gesturerecognizerlinjazax.cpp | 114 |
1 files changed, 49 insertions, 65 deletions
diff --git a/examples/gestures/collidingmice/gesturerecognizerlinjazax.cpp b/examples/gestures/collidingmice/gesturerecognizerlinjazax.cpp index 3f90588..41bb113 100644 --- a/examples/gestures/collidingmice/gesturerecognizerlinjazax.cpp +++ b/examples/gestures/collidingmice/gesturerecognizerlinjazax.cpp @@ -60,83 +60,67 @@ void DirectionSimpleRecognizer::reset() /////////////////////////////////////////////////////////////////////////// GestureRecognizerLinjaZax::GestureRecognizerLinjaZax() - : QGestureRecognizer("LinjaZax"), mousePressed(false), gestureFinished(false), + : QGestureRecognizer(QLatin1String("LinjaZax")), mousePressed(false), gestureFinished(false), zoomState(LinjaZaxGesture::NoZoom) { } -QGestureRecognizer::Result GestureRecognizerLinjaZax::recognize(const QList<QEvent*> &inputEvents) +QGestureRecognizer::Result GestureRecognizerLinjaZax::filterEvent(const QEvent *event) { - // get all mouse events - QList<QMouseEvent*> events; - for(int i = 0; i < inputEvents.count(); ++i) { - QEvent *event = inputEvents.at(i); - switch (event->type()) { - case QEvent::MouseButtonPress: - case QEvent::MouseButtonRelease: - case QEvent::MouseMove: - events.push_back(static_cast<QMouseEvent*>(event)); - default: - break; - } - } - if (zoomState != LinjaZaxGesture::NoZoom && !lastDirections.isEmpty()) { lastDirections = lastDirections.right(1); zoomState = LinjaZaxGesture::NoZoom; } - QGestureRecognizer::Result result = QGestureRecognizer::NotGesture; - for(int i = 0; i < events.count(); ++i) { - QMouseEvent *event = events.at(i); - if (event->type() == QEvent::MouseButtonPress) { - if (!currentDirection.isEmpty()) { - result = QGestureRecognizer::NotGesture; - reset(); - break; - } - result = QGestureRecognizer::MaybeGesture; - mousePressed = true; - pressedPos = lastPos = currentPos = event->pos(); - } else if (event->type() == QEvent::MouseButtonRelease) { - if (mousePressed && !currentDirection.isEmpty()) { - result = QGestureRecognizer::GestureFinished; - gestureFinished = true; - currentPos = event->pos(); - internalReset(); - break; - } - result = QGestureRecognizer::NotGesture; + if (event->type() == QEvent::MouseButtonPress) { + if (!currentDirection.isEmpty()) { reset(); - break; - } else if (event->type() == QEvent::MouseMove) { - if (!mousePressed) - continue; - lastPos = currentPos; - currentPos = event->pos(); - QString direction = - simpleRecognizer.addPosition(event->pos()).direction; - if (currentDirection.isEmpty()) { - if (direction.isEmpty()) - result = QGestureRecognizer::MaybeGesture; - else - result = QGestureRecognizer::GestureStarted; - } else { + return QGestureRecognizer::NotGesture; + } + mousePressed = true; + const QMouseEvent *ev = static_cast<const QMouseEvent*>(event); + pressedPos = lastPos = currentPos = ev->pos(); + return QGestureRecognizer::MaybeGesture; + } else if (event->type() == QEvent::MouseButtonRelease) { + const QMouseEvent *ev = static_cast<const QMouseEvent*>(event); + if (mousePressed && !currentDirection.isEmpty()) { + gestureFinished = true; + currentPos = ev->pos(); + internalReset(); + return QGestureRecognizer::GestureFinished; + } + reset(); + return QGestureRecognizer::NotGesture; + } else if (event->type() == QEvent::MouseMove) { + if (!mousePressed) + return QGestureRecognizer::NotGesture; + lastPos = currentPos; + const QMouseEvent *ev = static_cast<const QMouseEvent*>(event); + currentPos = ev->pos(); + QString direction = + simpleRecognizer.addPosition(ev->pos()).direction; + QGestureRecognizer::Result result = QGestureRecognizer::NotGesture; + if (currentDirection.isEmpty()) { + if (direction.isEmpty()) + result = QGestureRecognizer::MaybeGesture; + else result = QGestureRecognizer::GestureStarted; - } - if (!direction.isEmpty()) { - lastDirections.append(direction); - currentDirection = direction; - if (lastDirections.length() > 5) - lastDirections.remove(0, 1); - if (lastDirections.contains("248") || lastDirections.contains("2448")) - zoomState = LinjaZaxGesture::ZoomingIn; - else if (lastDirections.contains("268") || lastDirections.contains("2668")) - zoomState = LinjaZaxGesture::ZoomingOut; - } + } else { + result = QGestureRecognizer::GestureStarted; + } + if (!direction.isEmpty()) { + lastDirections.append(direction); + currentDirection = direction; + if (lastDirections.length() > 5) + lastDirections.remove(0, 1); + if (lastDirections.contains("248") || lastDirections.contains("2448")) + zoomState = LinjaZaxGesture::ZoomingIn; + else if (lastDirections.contains("268") || lastDirections.contains("2668")) + zoomState = LinjaZaxGesture::ZoomingOut; } + return result; } - return result; + return QGestureRecognizer::NotGesture; } static inline LinjaZaxGesture::DirectionType convertPanningDirection(const QString &direction) @@ -154,14 +138,14 @@ static inline LinjaZaxGesture::DirectionType convertPanningDirection(const QStri return LinjaZaxGesture::None; } -QGesture* GestureRecognizerLinjaZax::makeEvent() const +QGesture* GestureRecognizerLinjaZax::getGesture() { LinjaZaxGesture::DirectionType dir = convertPanningDirection(currentDirection); LinjaZaxGesture::DirectionType lastDir = convertPanningDirection(lastDirections.right(1)); if (dir == LinjaZaxGesture::None) return 0; LinjaZaxGesture *g = - new LinjaZaxGesture("LinjaZax", pressedPos, lastPos, currentPos, + new LinjaZaxGesture(this, pressedPos, lastPos, currentPos, QRect(), pressedPos, QDateTime(), 0, gestureFinished ? Qt::GestureFinished : Qt::GestureStarted); g->lastDirection_ = lastDir; |