diff options
Diffstat (limited to 'src/gui/platforms/mac/qmultitouch_mac.mm')
| -rw-r--r-- | src/gui/platforms/mac/qmultitouch_mac.mm | 218 |
1 files changed, 0 insertions, 218 deletions
diff --git a/src/gui/platforms/mac/qmultitouch_mac.mm b/src/gui/platforms/mac/qmultitouch_mac.mm deleted file mode 100644 index d9e845a01c..0000000000 --- a/src/gui/platforms/mac/qmultitouch_mac.mm +++ /dev/null @@ -1,218 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the QtGui module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** No Commercial Usage -** This file contains pre-release code and may not be distributed. -** You may use this file in accordance with the terms and conditions -** contained in the Technology Preview License Agreement accompanying -** this package. -** -** 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 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** If you have questions regarding the use of this file, please contact -** Nokia at qt-info@nokia.com. -** -** -** -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include <private/qmultitouch_mac_p.h> -#include <qcursor.h> - -#if MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6 - -QT_BEGIN_NAMESPACE - -#ifdef QT_MAC_USE_COCOA - -QHash<qint64, QCocoaTouch*> QCocoaTouch::_currentTouches; -QPointF QCocoaTouch::_screenReferencePos; -QPointF QCocoaTouch::_trackpadReferencePos; -int QCocoaTouch::_idAssignmentCount = 0; -int QCocoaTouch::_touchCount = 0; -bool QCocoaTouch::_updateInternalStateOnly = true; - -QCocoaTouch::QCocoaTouch(NSTouch *nstouch) -{ - if (_currentTouches.size() == 0) - _idAssignmentCount = 0; - - _touchPoint.setId(_idAssignmentCount++); - _touchPoint.setPressure(1.0); - _identity = qint64([nstouch identity]); - _currentTouches.insert(_identity, this); - updateTouchData(nstouch, NSTouchPhaseBegan); -} - -QCocoaTouch::~QCocoaTouch() -{ - _currentTouches.remove(_identity); -} - -void QCocoaTouch::updateTouchData(NSTouch *nstouch, NSTouchPhase phase) -{ - if (_touchCount == 1) - _touchPoint.setState(toTouchPointState(phase) | Qt::TouchPointPrimary); - else - _touchPoint.setState(toTouchPointState(phase)); - - // From the normalized position on the trackpad, calculate - // where on screen the touchpoint should be according to the - // reference position: - NSPoint npos = [nstouch normalizedPosition]; - QPointF qnpos = QPointF(npos.x, 1 - npos.y); - _touchPoint.setNormalizedPos(qnpos); - - if (_touchPoint.id() == 0 && phase == NSTouchPhaseBegan) { - _trackpadReferencePos = qnpos; - _screenReferencePos = QCursor::pos(); - } - - NSSize dsize = [nstouch deviceSize]; - float ppiX = (qnpos.x() - _trackpadReferencePos.x()) * dsize.width; - float ppiY = (qnpos.y() - _trackpadReferencePos.y()) * dsize.height; - QPointF relativePos = _trackpadReferencePos - QPointF(ppiX, ppiY); - _touchPoint.setScreenPos(_screenReferencePos - relativePos); -} - -QCocoaTouch *QCocoaTouch::findQCocoaTouch(NSTouch *nstouch) -{ - qint64 identity = qint64([nstouch identity]); - if (_currentTouches.contains(identity)) - return _currentTouches.value(identity); - return 0; -} - -Qt::TouchPointState QCocoaTouch::toTouchPointState(NSTouchPhase nsState) -{ - Qt::TouchPointState qtState = Qt::TouchPointReleased; - switch (nsState) { - case NSTouchPhaseBegan: - qtState = Qt::TouchPointPressed; - break; - case NSTouchPhaseMoved: - qtState = Qt::TouchPointMoved; - break; - case NSTouchPhaseStationary: - qtState = Qt::TouchPointStationary; - break; - case NSTouchPhaseEnded: - case NSTouchPhaseCancelled: - qtState = Qt::TouchPointReleased; - break; - default: - break; - } - return qtState; -} - -QList<QTouchEvent::TouchPoint> -QCocoaTouch::getCurrentTouchPointList(NSEvent *event, bool acceptSingleTouch) -{ - QMap<int, QTouchEvent::TouchPoint> touchPoints; - NSSet *ended = [event touchesMatchingPhase:NSTouchPhaseEnded | NSTouchPhaseCancelled inView:nil]; - NSSet *active = [event - touchesMatchingPhase:NSTouchPhaseBegan | NSTouchPhaseMoved | NSTouchPhaseStationary - inView:nil]; - _touchCount = [active count]; - - // First: remove touches that were ended by the user. If we are - // currently not accepting single touches, a corresponding 'begin' - // has never been send to the app for these events. - // So should therefore not send the following removes either. - - for (int i=0; i<int([ended count]); ++i) { - NSTouch *touch = [[ended allObjects] objectAtIndex:i]; - QCocoaTouch *qcocoaTouch = findQCocoaTouch(touch); - if (qcocoaTouch) { - qcocoaTouch->updateTouchData(touch, [touch phase]); - if (!_updateInternalStateOnly) - touchPoints.insert(qcocoaTouch->_touchPoint.id(), qcocoaTouch->_touchPoint); - delete qcocoaTouch; - } - } - - bool wasUpdateInternalStateOnly = _updateInternalStateOnly; - _updateInternalStateOnly = !acceptSingleTouch && _touchCount < 2; - - // Next: update, or create, existing touches. - // We always keep track of all touch points, even - // when not accepting single touches. - - for (int i=0; i<int([active count]); ++i) { - NSTouch *touch = [[active allObjects] objectAtIndex:i]; - QCocoaTouch *qcocoaTouch = findQCocoaTouch(touch); - if (!qcocoaTouch) - qcocoaTouch = new QCocoaTouch(touch); - else - qcocoaTouch->updateTouchData(touch, wasUpdateInternalStateOnly ? NSTouchPhaseBegan : [touch phase]); - if (!_updateInternalStateOnly) - touchPoints.insert(qcocoaTouch->_touchPoint.id(), qcocoaTouch->_touchPoint); - } - - // Next: sadly, we need to check that our touch hash is in - // sync with cocoa. This is typically not the case after a system - // gesture happend (like a four-finger-swipe to show expose). - - if (_touchCount != _currentTouches.size()) { - // Remove all instances, and basically start from scratch: - touchPoints.clear(); - foreach (QCocoaTouch *qcocoaTouch, _currentTouches.values()) { - if (!_updateInternalStateOnly) { - qcocoaTouch->_touchPoint.setState(Qt::TouchPointReleased); - touchPoints.insert(qcocoaTouch->_touchPoint.id(), qcocoaTouch->_touchPoint); - } - delete qcocoaTouch; - } - _currentTouches.clear(); - _updateInternalStateOnly = !acceptSingleTouch; - return touchPoints.values(); - } - - // Finally: If this call _started_ to reject single - // touches, we need to fake a relase for the remaining - // touch now (and refake a begin for it later, if needed). - - if (_updateInternalStateOnly && !wasUpdateInternalStateOnly && !_currentTouches.isEmpty()) { - QCocoaTouch *qcocoaTouch = _currentTouches.values().first(); - qcocoaTouch->_touchPoint.setState(Qt::TouchPointReleased); - touchPoints.insert(qcocoaTouch->_touchPoint.id(), qcocoaTouch->_touchPoint); - // Since this last touch also will end up beeing the first - // touch (if the user adds a second finger without lifting - // the first), we promote it to be the primary touch: - qcocoaTouch->_touchPoint.setId(0); - _idAssignmentCount = 1; - } - - return touchPoints.values(); -} - -#endif - -QT_END_NAMESPACE - -#endif // MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6 - |