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-rw-r--r--examples/gestures/imagegestures/imagewidget.cpp18
-rw-r--r--src/gui/kernel/qgesture_p.h3
-rw-r--r--src/gui/kernel/qgesturemanager.cpp1
-rw-r--r--src/gui/kernel/qstandardgestures.cpp177
-rw-r--r--src/gui/kernel/qstandardgestures_p.h11
-rw-r--r--src/gui/kernel/qwidget.cpp1
-rw-r--r--src/gui/kernel/qwidget_win.cpp11
-rw-r--r--src/gui/kernel/qwinnativepangesturerecognizer_win.cpp8
-rw-r--r--src/gui/kernel/qwinnativepangesturerecognizer_win_p.h2
9 files changed, 130 insertions, 102 deletions
diff --git a/examples/gestures/imagegestures/imagewidget.cpp b/examples/gestures/imagegestures/imagewidget.cpp
index 28de6da..c798fcc 100644
--- a/examples/gestures/imagegestures/imagewidget.cpp
+++ b/examples/gestures/imagegestures/imagewidget.cpp
@@ -102,17 +102,13 @@ void ImageWidget::mouseDoubleClickEvent(QMouseEvent *)
//! [gesture event handler]
bool ImageWidget::gestureEvent(QGestureEvent *event)
{
- if (QGesture *pan = event->gesture(Qt::PanGesture)) {
- panTriggered(static_cast<QPanGesture*>(pan));
- return true;
- } else if (QGesture *pinch = event->gesture(Qt::PinchGesture)) {
- pinchTriggered(static_cast<QPinchGesture*>(pinch));
- return true;
- } else if (QGesture *swipe = event->gesture(Qt::SwipeGesture)) {
- swipeTriggered(static_cast<QSwipeGesture*>(swipe));
- return true;
- }
- return false;
+ if (QGesture *pan = event->gesture(Qt::PanGesture))
+ panTriggered(static_cast<QPanGesture *>(pan));
+ if (QGesture *pinch = event->gesture(Qt::PinchGesture))
+ pinchTriggered(static_cast<QPinchGesture *>(pinch));
+ if (QGesture *swipe = event->gesture(Qt::SwipeGesture))
+ swipeTriggered(static_cast<QSwipeGesture *>(swipe));
+ return true;
}
//! [gesture event handler]
diff --git a/src/gui/kernel/qgesture_p.h b/src/gui/kernel/qgesture_p.h
index 34fbb26..73a6bcf 100644
--- a/src/gui/kernel/qgesture_p.h
+++ b/src/gui/kernel/qgesture_p.h
@@ -121,6 +121,9 @@ public:
qreal totalRotationAngle;
qreal lastRotationAngle;
qreal rotationAngle;
+
+ bool isNewSequence;
+ QPointF startPosition[2];
};
class QSwipeGesturePrivate : public QGesturePrivate
diff --git a/src/gui/kernel/qgesturemanager.cpp b/src/gui/kernel/qgesturemanager.cpp
index 1d33c84..6ea350b 100644
--- a/src/gui/kernel/qgesturemanager.cpp
+++ b/src/gui/kernel/qgesturemanager.cpp
@@ -77,6 +77,7 @@ QGestureManager::QGestureManager(QObject *parent)
#endif
#else
registerGestureRecognizer(new QPanGestureRecognizer);
+ registerGestureRecognizer(new QPinchGestureRecognizer);
#endif
}
diff --git a/src/gui/kernel/qstandardgestures.cpp b/src/gui/kernel/qstandardgestures.cpp
index dec2311..57cf12d 100644
--- a/src/gui/kernel/qstandardgestures.cpp
+++ b/src/gui/kernel/qstandardgestures.cpp
@@ -44,6 +44,7 @@
#include "qgesture_p.h"
#include "qevent.h"
#include "qwidget.h"
+#include "qabstractscrollarea.h"
QT_BEGIN_NAMESPACE
@@ -54,7 +55,13 @@ QPanGestureRecognizer::QPanGestureRecognizer()
QGesture *QPanGestureRecognizer::createGesture(QObject *target)
{
if (target && target->isWidgetType()) {
+#if defined(Q_OS_WIN)
+ // for scroll areas on Windows we want to use native gestures instead
+ if (!qobject_cast<QAbstractScrollArea *>(target->parent()))
+ static_cast<QWidget *>(target)->setAttribute(Qt::WA_AcceptTouchEvents);
+#else
static_cast<QWidget *>(target)->setAttribute(Qt::WA_AcceptTouchEvents);
+#endif
}
return new QPanGesture;
}
@@ -132,104 +139,124 @@ void QPanGestureRecognizer::reset(QGesture *state)
d->lastPosition = QPoint();
d->acceleration = 0;
-//#if defined(QT_MAC_USE_COCOA)
-// d->singleTouchPanTimer.stop();
-// d->prevMousePos = QPointF(0, 0);
-//#endif
-
QGestureRecognizer::reset(state);
}
-/*
-bool QPanGestureRecognizer::event(QEvent *event)
+
+//
+// QPinchGestureRecognizer
+//
+
+QPinchGestureRecognizer::QPinchGestureRecognizer()
{
-#if defined(QT_MAC_USE_COCOA)
- Q_D(QPanGesture);
- if (event->type() == QEvent::Timer) {
- const QTimerEvent *te = static_cast<QTimerEvent *>(event);
- if (te->timerId() == d->singleTouchPanTimer.timerId()) {
- d->singleTouchPanTimer.stop();
- updateState(Qt::GestureStarted);
- }
+}
+
+QGesture *QPinchGestureRecognizer::createGesture(QObject *target)
+{
+ if (target && target->isWidgetType()) {
+ static_cast<QWidget *>(target)->setAttribute(Qt::WA_AcceptTouchEvents);
}
-#endif
+ return new QPinchGesture;
+}
- bool consume = false;
+QGestureRecognizer::Result QPinchGestureRecognizer::filterEvent(QGesture *state, QObject *, QEvent *event)
+{
+ QPinchGesture *q = static_cast<QPinchGesture *>(state);
+ QPinchGesturePrivate *d = q->d_func();
-#if defined(Q_WS_WIN)
-#elif defined(QT_MAC_USE_COCOA)
- // The following implements single touch
- // panning on Mac:
- const int panBeginDelay = 300;
- const int panBeginRadius = 3;
- const QTouchEvent *ev = static_cast<const QTouchEvent*>(event);
+ const QTouchEvent *ev = static_cast<const QTouchEvent *>(event);
+
+ QGestureRecognizer::Result result;
switch (event->type()) {
case QEvent::TouchBegin: {
- if (ev->touchPoints().size() == 1) {
- d->delayManager->setEnabled(true);
- consume = d->delayManager->append(d->gestureTarget, *event);
- d->lastPosition = QCursor::pos();
- d->singleTouchPanTimer.start(panBeginDelay, this);
- }
- break;}
+ result = QGestureRecognizer::MaybeGesture;
+ break;
+ }
case QEvent::TouchEnd: {
- d->delayManager->setEnabled(false);
- if (state() != Qt::NoGesture) {
- updateState(Qt::GestureFinished);
- consume = true;
- d->delayManager->clear();
+ if (q->state() != Qt::NoGesture) {
+ result = QGestureRecognizer::GestureFinished;
} else {
- d->delayManager->replay();
+ result = QGestureRecognizer::NotGesture;
}
- reset();
- break;}
+ break;
+ }
case QEvent::TouchUpdate: {
- consume = d->delayManager->append(d->gestureTarget, *event);
- if (ev->touchPoints().size() == 1) {
- if (state() == Qt::NoGesture) {
- // INVARIANT: The singleTouchTimer has still not fired.
- // Lets check if the user moved his finger so much from
- // the starting point that it makes sense to cancel:
- const QPointF startPos = ev->touchPoints().at(0).startPos().toPoint();
- const QPointF p = ev->touchPoints().at(0).pos().toPoint();
- if ((startPos - p).manhattanLength() > panBeginRadius) {
- d->delayManager->replay();
- consume = false;
- reset();
- } else {
- d->lastPosition = QCursor::pos();
- }
+ d->whatChanged = 0;
+ if (ev->touchPoints().size() == 2) {
+ QTouchEvent::TouchPoint p1 = ev->touchPoints().at(0);
+ QTouchEvent::TouchPoint p2 = ev->touchPoints().at(1);
+
+ d->hotSpot = p1.screenPos();
+ d->isHotSpotSet = true;
+
+ if (d->isNewSequence) {
+ d->startPosition[0] = p1.screenPos();
+ d->startPosition[1] = p2.screenPos();
+ }
+ QLineF line(p1.screenPos(), p2.screenPos());
+ QLineF tmp(line);
+ tmp.setLength(line.length() / 2.);
+ QPointF centerPoint = tmp.p2();
+
+ d->lastCenterPoint = d->centerPoint;
+ d->centerPoint = centerPoint;
+ d->whatChanged |= QPinchGesture::CenterPointChanged;
+
+ const qreal scaleFactor = QLineF(p1.pos(), p2.pos()).length()
+ / QLineF(d->startPosition[0], d->startPosition[1]).length();
+ if (d->isNewSequence) {
+ d->lastScaleFactor = scaleFactor;
} else {
- d->delayManager->clear();
- QPointF mousePos = QCursor::pos();
- QPointF dist = mousePos - d->lastPosition;
- d->lastPosition = mousePos;
- d->lastOffset = d->offset;
- d->offset = QSizeF(dist.x(), dist.y());
- d->totalOffset += d->offset;
- updateState(Qt::GestureUpdated);
+ d->lastScaleFactor = d->scaleFactor;
}
- } else if (state() == Qt::NoGesture) {
- d->delayManager->replay();
- consume = false;
- reset();
+ d->scaleFactor = scaleFactor;
+ d->totalScaleFactor += d->scaleFactor - d->lastScaleFactor;
+ d->whatChanged |= QPinchGesture::ScaleFactorChanged;
+
+ const qreal rotationAngle = -line.angle();
+ if (d->isNewSequence)
+ d->lastRotationAngle = rotationAngle;
+ else
+ d->lastRotationAngle = d->rotationAngle;
+ d->rotationAngle = rotationAngle;
+ d->totalRotationAngle += d->rotationAngle - d->lastRotationAngle;
+ d->whatChanged |= QPinchGesture::RotationAngleChanged;
+
+ d->isNewSequence = false;
+ result = QGestureRecognizer::GestureTriggered;
+ } else {
+ d->isNewSequence = true;
+ result = QGestureRecognizer::MaybeGesture;
}
- break;}
+ break;
+ }
case QEvent::MouseButtonPress:
case QEvent::MouseMove:
case QEvent::MouseButtonRelease:
- if (d->delayManager->isEnabled())
- consume = d->delayManager->append(d->gestureTarget, *event);
+ result = QGestureRecognizer::Ignore;
break;
default:
- return false;
+ result = QGestureRecognizer::Ignore;
+ break;
}
-#else
- Q_UNUSED(event);
-#endif
- return QGestureRecognizer::Ignore;
+ return result;
+}
+
+void QPinchGestureRecognizer::reset(QGesture *state)
+{
+ QPinchGesture *pinch = static_cast<QPinchGesture*>(state);
+ QPinchGesturePrivate *d = pinch->d_func();
+
+ d->whatChanged = 0;
+
+ d->startCenterPoint = d->lastCenterPoint = d->centerPoint = QPointF();
+ d->totalScaleFactor = d->lastScaleFactor = d->scaleFactor = 0;
+ d->totalRotationAngle = d->lastRotationAngle = d->rotationAngle = 0;
+
+ d->isNewSequence = true;
+
+ QGestureRecognizer::reset(state);
}
- */
QT_END_NAMESPACE
diff --git a/src/gui/kernel/qstandardgestures_p.h b/src/gui/kernel/qstandardgestures_p.h
index fec5c2f..827b2a2 100644
--- a/src/gui/kernel/qstandardgestures_p.h
+++ b/src/gui/kernel/qstandardgestures_p.h
@@ -69,6 +69,17 @@ public:
void reset(QGesture *state);
};
+class QPinchGestureRecognizer : public QGestureRecognizer
+{
+public:
+ QPinchGestureRecognizer();
+
+ QGesture *createGesture(QObject *target);
+
+ QGestureRecognizer::Result filterEvent(QGesture *state, QObject *watched, QEvent *event);
+ void reset(QGesture *state);
+};
+
QT_END_NAMESPACE
#endif // QSTANDARDGESTURES_P_H
diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp
index ac2808c..00d9a99 100644
--- a/src/gui/kernel/qwidget.cpp
+++ b/src/gui/kernel/qwidget.cpp
@@ -197,6 +197,7 @@ QWidgetPrivate::QWidgetPrivate(int version)
, picture(0)
#elif defined(Q_WS_WIN)
, noPaintOnScreen(0)
+ , nativeGesturePanEnabled(0)
#elif defined(Q_WS_MAC)
, needWindowChange(0)
, isGLWidget(0)
diff --git a/src/gui/kernel/qwidget_win.cpp b/src/gui/kernel/qwidget_win.cpp
index 5bf7649..3a92735 100644
--- a/src/gui/kernel/qwidget_win.cpp
+++ b/src/gui/kernel/qwidget_win.cpp
@@ -2071,17 +2071,6 @@ void QWidgetPrivate::winSetupGestures()
gc[0].dwBlock = GC_PAN;
}
-// gc[1].dwID = GID_ZOOM;
-// if (gestures.pinch)
-// gc[1].dwWant = GC_ZOOM;
-// else
-// gc[1].dwBlock = GC_ZOOM;
-// gc[2].dwID = GID_ROTATE;
-// if (gestures.pinch)
-// gc[2].dwWant = GC_ROTATE;
-// else
-// gc[2].dwBlock = GC_ROTATE;
-
qAppPriv->SetGestureConfig(winid, 0, sizeof(gc)/sizeof(gc[0]), gc, sizeof(gc[0]));
}
}
diff --git a/src/gui/kernel/qwinnativepangesturerecognizer_win.cpp b/src/gui/kernel/qwinnativepangesturerecognizer_win.cpp
index 12d3058..c3c8a28 100644
--- a/src/gui/kernel/qwinnativepangesturerecognizer_win.cpp
+++ b/src/gui/kernel/qwinnativepangesturerecognizer_win.cpp
@@ -56,16 +56,16 @@ QWinNativePanGestureRecognizer::QWinNativePanGestureRecognizer()
{
}
-QGesture* QWinNativePanGestureRecognizer::createGesture(QObject *target) const
+QGesture *QWinNativePanGestureRecognizer::createGesture(QObject *target)
{
if (!target)
return new QPanGesture; // a special case
- if (qobject_cast<QGraphicsObject*>(target))
- return 0;
if (!target->isWidgetType())
return 0;
+ if (qobject_cast<QGraphicsObject *>(target))
+ return 0;
- QWidget *q = static_cast<QWidget*>(target);
+ QWidget *q = static_cast<QWidget *>(target);
QWidgetPrivate *d = q->d_func();
d->nativeGesturePanEnabled = true;
d->winSetupGestures();
diff --git a/src/gui/kernel/qwinnativepangesturerecognizer_win_p.h b/src/gui/kernel/qwinnativepangesturerecognizer_win_p.h
index a1e8511..1d723da 100644
--- a/src/gui/kernel/qwinnativepangesturerecognizer_win_p.h
+++ b/src/gui/kernel/qwinnativepangesturerecognizer_win_p.h
@@ -62,7 +62,7 @@ class QWinNativePanGestureRecognizer : public QGestureRecognizer
public:
QWinNativePanGestureRecognizer();
- QGesture* createGesture(QObject *target) const;
+ QGesture *createGesture(QObject *target);
QGestureRecognizer::Result filterEvent(QGesture *state, QObject *watched, QEvent *event);
void reset(QGesture *state);
generated by cgit v0.12 at 2024-11-07 03:25:00 (GMT)