mirror of
https://bitbucket.org/smil3y/katie.git
synced 2025-02-27 04:13:08 +00:00
272 lines
9.7 KiB
Text
272 lines
9.7 KiB
Text
/****************************************************************************
|
|
**
|
|
** Copyright (C) 2015 The Qt Company Ltd.
|
|
** Contact: http://www.qt.io/licensing/
|
|
**
|
|
** This file is part of the QtGui 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 http://www.qt.io/terms-conditions. For further
|
|
** information use the contact form at http://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 2.1 or version 3 as published by the Free
|
|
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
|
|
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
|
|
** following information to ensure the GNU Lesser General Public License
|
|
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
|
|
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
|
|
**
|
|
** As a special exception, The Qt Company gives you certain additional
|
|
** rights. These rights are described in The Qt Company LGPL Exception
|
|
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
|
|
**
|
|
** GNU General Public License Usage
|
|
** Alternatively, this file may be used under the terms of the GNU
|
|
** General Public License version 3.0 as published by the Free Software
|
|
** Foundation and appearing in the file LICENSE.GPL included in the
|
|
** packaging of this file. Please review the following information to
|
|
** ensure the GNU General Public License version 3.0 requirements will be
|
|
** met: http://www.gnu.org/copyleft/gpl.html.
|
|
**
|
|
** $QT_END_LICENSE$
|
|
**
|
|
****************************************************************************/
|
|
|
|
#include "qmacgesturerecognizer_mac_p.h"
|
|
#include "qgesture.h"
|
|
#include "qgesture_p.h"
|
|
#include "qevent.h"
|
|
#include "qevent_p.h"
|
|
#include "qwidget.h"
|
|
#include "qdebug.h"
|
|
|
|
#ifndef QT_NO_GESTURES
|
|
|
|
QT_BEGIN_NAMESPACE
|
|
|
|
QMacSwipeGestureRecognizer::QMacSwipeGestureRecognizer()
|
|
{
|
|
}
|
|
|
|
QGesture *QMacSwipeGestureRecognizer::create(QObject * /*target*/)
|
|
{
|
|
return new QSwipeGesture;
|
|
}
|
|
|
|
QGestureRecognizer::Result
|
|
QMacSwipeGestureRecognizer::recognize(QGesture *gesture, QObject *obj, QEvent *event)
|
|
{
|
|
if (event->type() == QEvent::NativeGesture && obj->isWidgetType()) {
|
|
QNativeGestureEvent *ev = static_cast<QNativeGestureEvent*>(event);
|
|
switch (ev->gestureType) {
|
|
case QNativeGestureEvent::Swipe: {
|
|
QSwipeGesture *g = static_cast<QSwipeGesture *>(gesture);
|
|
g->setSwipeAngle(ev->angle);
|
|
g->setHotSpot(ev->position);
|
|
return QGestureRecognizer::FinishGesture | QGestureRecognizer::ConsumeEventHint;
|
|
break; }
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
return QGestureRecognizer::Ignore;
|
|
}
|
|
|
|
void QMacSwipeGestureRecognizer::reset(QGesture *gesture)
|
|
{
|
|
QSwipeGesture *g = static_cast<QSwipeGesture *>(gesture);
|
|
g->setSwipeAngle(0);
|
|
QGestureRecognizer::reset(gesture);
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////
|
|
|
|
QMacPinchGestureRecognizer::QMacPinchGestureRecognizer()
|
|
{
|
|
}
|
|
|
|
QGesture *QMacPinchGestureRecognizer::create(QObject * /*target*/)
|
|
{
|
|
return new QPinchGesture;
|
|
}
|
|
|
|
QGestureRecognizer::Result
|
|
QMacPinchGestureRecognizer::recognize(QGesture *gesture, QObject *obj, QEvent *event)
|
|
{
|
|
if (event->type() == QEvent::NativeGesture && obj->isWidgetType()) {
|
|
QPinchGesture *g = static_cast<QPinchGesture *>(gesture);
|
|
QNativeGestureEvent *ev = static_cast<QNativeGestureEvent*>(event);
|
|
switch(ev->gestureType) {
|
|
case QNativeGestureEvent::GestureBegin:
|
|
reset(gesture);
|
|
g->setStartCenterPoint(static_cast<QWidget*>(obj)->mapFromGlobal(ev->position));
|
|
g->setCenterPoint(g->startCenterPoint());
|
|
g->setChangeFlags(QPinchGesture::CenterPointChanged);
|
|
g->setTotalChangeFlags(g->totalChangeFlags() | g->changeFlags());
|
|
g->setHotSpot(ev->position);
|
|
return QGestureRecognizer::MayBeGesture | QGestureRecognizer::ConsumeEventHint;
|
|
case QNativeGestureEvent::Rotate: {
|
|
g->setLastScaleFactor(g->scaleFactor());
|
|
g->setLastRotationAngle(g->rotationAngle());
|
|
g->setRotationAngle(g->rotationAngle() + ev->percentage);
|
|
g->setChangeFlags(QPinchGesture::RotationAngleChanged);
|
|
g->setTotalChangeFlags(g->totalChangeFlags() | g->changeFlags());
|
|
g->setHotSpot(ev->position);
|
|
return QGestureRecognizer::TriggerGesture | QGestureRecognizer::ConsumeEventHint;
|
|
}
|
|
case QNativeGestureEvent::Zoom:
|
|
g->setLastScaleFactor(g->scaleFactor());
|
|
g->setLastRotationAngle(g->rotationAngle());
|
|
g->setScaleFactor(g->scaleFactor() * (1 + ev->percentage));
|
|
g->setChangeFlags(QPinchGesture::ScaleFactorChanged);
|
|
g->setTotalChangeFlags(g->totalChangeFlags() | g->changeFlags());
|
|
g->setHotSpot(ev->position);
|
|
return QGestureRecognizer::TriggerGesture | QGestureRecognizer::ConsumeEventHint;
|
|
case QNativeGestureEvent::GestureEnd:
|
|
return QGestureRecognizer::FinishGesture | QGestureRecognizer::ConsumeEventHint;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
return QGestureRecognizer::Ignore;
|
|
}
|
|
|
|
void QMacPinchGestureRecognizer::reset(QGesture *gesture)
|
|
{
|
|
QPinchGesture *g = static_cast<QPinchGesture *>(gesture);
|
|
g->setChangeFlags(0);
|
|
g->setTotalChangeFlags(0);
|
|
g->setScaleFactor(1.0f);
|
|
g->setTotalScaleFactor(1.0f);
|
|
g->setLastScaleFactor(1.0f);
|
|
g->setRotationAngle(0.0f);
|
|
g->setTotalRotationAngle(0.0f);
|
|
g->setLastRotationAngle(0.0f);
|
|
g->setCenterPoint(QPointF());
|
|
g->setStartCenterPoint(QPointF());
|
|
g->setLastCenterPoint(QPointF());
|
|
QGestureRecognizer::reset(gesture);
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////
|
|
|
|
#if defined(QT_MAC_USE_COCOA)
|
|
|
|
QMacPanGestureRecognizer::QMacPanGestureRecognizer() : _panCanceled(true)
|
|
{
|
|
}
|
|
|
|
QGesture *QMacPanGestureRecognizer::create(QObject *target)
|
|
{
|
|
if (!target)
|
|
return new QPanGesture;
|
|
|
|
if (QWidget *w = qobject_cast<QWidget *>(target)) {
|
|
w->setAttribute(Qt::WA_AcceptTouchEvents);
|
|
w->setAttribute(Qt::WA_TouchPadAcceptSingleTouchEvents);
|
|
return new QPanGesture;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
QGestureRecognizer::Result
|
|
QMacPanGestureRecognizer::recognize(QGesture *gesture, QObject *target, QEvent *event)
|
|
{
|
|
const int panBeginDelay = 300;
|
|
const int panBeginRadius = 3;
|
|
|
|
QPanGesture *g = static_cast<QPanGesture *>(gesture);
|
|
|
|
switch (event->type()) {
|
|
case QEvent::TouchBegin: {
|
|
const QTouchEvent *ev = static_cast<const QTouchEvent*>(event);
|
|
if (ev->touchPoints().size() == 1) {
|
|
reset(gesture);
|
|
_startPos = QCursor::pos();
|
|
_panTimer.start(panBeginDelay, target);
|
|
_panCanceled = false;
|
|
return QGestureRecognizer::MayBeGesture;
|
|
}
|
|
break;}
|
|
case QEvent::TouchEnd: {
|
|
if (_panCanceled)
|
|
break;
|
|
|
|
const QTouchEvent *ev = static_cast<const QTouchEvent*>(event);
|
|
if (ev->touchPoints().size() == 1)
|
|
return QGestureRecognizer::FinishGesture;
|
|
break;}
|
|
case QEvent::TouchUpdate: {
|
|
if (_panCanceled)
|
|
break;
|
|
|
|
const QTouchEvent *ev = static_cast<const QTouchEvent*>(event);
|
|
if (ev->touchPoints().size() == 1) {
|
|
if (_panTimer.isActive()) {
|
|
// INVARIANT: Still in maybeGesture. Check if the user
|
|
// moved his finger so much that it makes sense to cancel the pan:
|
|
const QPointF p = QCursor::pos();
|
|
if ((p - _startPos).manhattanLength() > panBeginRadius) {
|
|
_panCanceled = true;
|
|
_panTimer.stop();
|
|
return QGestureRecognizer::CancelGesture;
|
|
}
|
|
} else {
|
|
const QPointF p = QCursor::pos();
|
|
const QPointF posOffset = p - _startPos;
|
|
g->setLastOffset(g->offset());
|
|
g->setOffset(QPointF(posOffset.x(), posOffset.y()));
|
|
g->setHotSpot(_startPos);
|
|
return QGestureRecognizer::TriggerGesture;
|
|
}
|
|
} else if (_panTimer.isActive()) {
|
|
// I only want to cancel the pan if the user is pressing
|
|
// more than one finger, and the pan hasn't started yet:
|
|
_panCanceled = true;
|
|
_panTimer.stop();
|
|
return QGestureRecognizer::CancelGesture;
|
|
}
|
|
break;}
|
|
case QEvent::Timer: {
|
|
QTimerEvent *ev = static_cast<QTimerEvent *>(event);
|
|
if (ev->timerId() == _panTimer.timerId()) {
|
|
_panTimer.stop();
|
|
if (_panCanceled)
|
|
break;
|
|
// Begin new pan session!
|
|
_startPos = QCursor::pos();
|
|
g->setHotSpot(_startPos);
|
|
return QGestureRecognizer::TriggerGesture | QGestureRecognizer::ConsumeEventHint;
|
|
}
|
|
break; }
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return QGestureRecognizer::Ignore;
|
|
}
|
|
|
|
void QMacPanGestureRecognizer::reset(QGesture *gesture)
|
|
{
|
|
QPanGesture *g = static_cast<QPanGesture *>(gesture);
|
|
_startPos = QPointF();
|
|
_panCanceled = true;
|
|
g->setOffset(QPointF(0, 0));
|
|
g->setLastOffset(QPointF(0, 0));
|
|
g->setAcceleration(qreal(1));
|
|
QGestureRecognizer::reset(gesture);
|
|
}
|
|
#endif // QT_MAC_USE_COCOA
|
|
|
|
QT_END_NAMESPACE
|
|
|
|
#endif // QT_NO_GESTURES
|