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/****************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the plugins 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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
// This file is included from qnsview.mm, and only used to organize the code
#ifndef QT_NO_TABLETEVENT
Q_LOGGING_CATEGORY(lcQpaTablet, "qt.qpa.input.tablet")
struct QCocoaTabletDeviceData
{
QTabletEvent::TabletDevice device;
QTabletEvent::PointerType pointerType;
uint capabilityMask;
qint64 uid;
};
typedef QHash<uint, QCocoaTabletDeviceData> QCocoaTabletDeviceDataHash;
Q_GLOBAL_STATIC(QCocoaTabletDeviceDataHash, tabletDeviceDataHash)
@implementation QT_MANGLE_NAMESPACE(QNSView) (Tablet)
- (bool)handleTabletEvent:(NSEvent *)theEvent
{
static bool ignoreButtonMapping = qEnvironmentVariableIsSet("QT_MAC_TABLET_IGNORE_BUTTON_MAPPING");
if (!m_platformWindow)
return false;
NSEventType eventType = [theEvent type];
if (eventType != NSEventTypeTabletPoint && [theEvent subtype] != NSEventSubtypeTabletPoint)
return false; // Not a tablet event.
ulong timestamp = [theEvent timestamp] * 1000;
QPointF windowPoint;
QPointF screenPoint;
[self convertFromScreen:[self screenMousePoint:theEvent] toWindowPoint: &windowPoint andScreenPoint: &screenPoint];
uint deviceId = [theEvent deviceID];
if (!tabletDeviceDataHash->contains(deviceId)) {
// Error: Unknown tablet device. Qt also gets into this state
// when running on a VM. This appears to be harmless; don't
// print a warning.
return false;
}
const QCocoaTabletDeviceData &deviceData = tabletDeviceDataHash->value(deviceId);
bool down = (eventType != NSEventTypeMouseMoved);
qreal pressure;
if (down) {
pressure = [theEvent pressure];
} else {
pressure = 0.0;
}
NSPoint tilt = [theEvent tilt];
int xTilt = qRound(tilt.x * 60.0);
int yTilt = qRound(tilt.y * -60.0);
qreal tangentialPressure = 0;
qreal rotation = 0;
int z = 0;
if (deviceData.capabilityMask & 0x0200)
z = [theEvent absoluteZ];
if (deviceData.capabilityMask & 0x0800)
tangentialPressure = ([theEvent tangentialPressure] * 2.0) - 1.0;
rotation = 360.0 - [theEvent rotation];
if (rotation > 180.0)
rotation -= 360.0;
Qt::KeyboardModifiers keyboardModifiers = [QNSView convertKeyModifiers:[theEvent modifierFlags]];
Qt::MouseButtons buttons = ignoreButtonMapping ? static_cast<Qt::MouseButtons>(static_cast<uint>([theEvent buttonMask])) : m_buttons;
qCDebug(lcQpaTablet, "event on tablet %d with tool %d type %d unique ID %lld pos %6.1f, %6.1f root pos %6.1f, %6.1f buttons 0x%x pressure %4.2lf tilt %d, %d rotation %6.2lf",
deviceId, deviceData.device, deviceData.pointerType, deviceData.uid,
windowPoint.x(), windowPoint.y(), screenPoint.x(), screenPoint.y(),
static_cast<uint>(buttons), pressure, xTilt, yTilt, rotation);
QWindowSystemInterface::handleTabletEvent(m_platformWindow->window(), timestamp, windowPoint, screenPoint,
deviceData.device, deviceData.pointerType, buttons, pressure, xTilt, yTilt,
tangentialPressure, rotation, z, deviceData.uid,
keyboardModifiers);
return true;
}
- (void)tabletPoint:(NSEvent *)theEvent
{
if ([self isTransparentForUserInput])
return [super tabletPoint:theEvent];
[self handleTabletEvent: theEvent];
}
static QTabletEvent::TabletDevice wacomTabletDevice(NSEvent *theEvent)
{
qint64 uid = [theEvent uniqueID];
uint bits = [theEvent vendorPointingDeviceType];
if (bits == 0 && uid != 0) {
// Fallback. It seems that the driver doesn't always include all the information.
// High-End Wacom devices store their "type" in the uper bits of the Unique ID.
// I'm not sure how to handle it for consumer devices, but I'll test that in a bit.
bits = uid >> 32;
}
QTabletEvent::TabletDevice device;
// Defined in the "EN0056-NxtGenImpGuideX"
// on Wacom's Developer Website (www.wacomeng.com)
if (((bits & 0x0006) == 0x0002) && ((bits & 0x0F06) != 0x0902)) {
device = QTabletEvent::Stylus;
} else {
switch (bits & 0x0F06) {
case 0x0802:
device = QTabletEvent::Stylus;
break;
case 0x0902:
device = QTabletEvent::Airbrush;
break;
case 0x0004:
device = QTabletEvent::FourDMouse;
break;
case 0x0006:
device = QTabletEvent::Puck;
break;
case 0x0804:
device = QTabletEvent::RotationStylus;
break;
default:
device = QTabletEvent::NoDevice;
}
}
return device;
}
- (void)tabletProximity:(NSEvent *)theEvent
{
if ([self isTransparentForUserInput])
return [super tabletProximity:theEvent];
ulong timestamp = [theEvent timestamp] * 1000;
QCocoaTabletDeviceData deviceData;
deviceData.uid = [theEvent uniqueID];
deviceData.capabilityMask = [theEvent capabilityMask];
switch ([theEvent pointingDeviceType]) {
case NSPointingDeviceTypeUnknown:
default:
deviceData.pointerType = QTabletEvent::UnknownPointer;
break;
case NSPointingDeviceTypePen:
deviceData.pointerType = QTabletEvent::Pen;
break;
case NSPointingDeviceTypeCursor:
deviceData.pointerType = QTabletEvent::Cursor;
break;
case NSPointingDeviceTypeEraser:
deviceData.pointerType = QTabletEvent::Eraser;
break;
}
deviceData.device = wacomTabletDevice(theEvent);
// The deviceID is "unique" while in the proximity, it's a key that we can use for
// linking up QCocoaTabletDeviceData to an event (especially if there are two devices in action).
bool entering = [theEvent isEnteringProximity];
uint deviceId = [theEvent deviceID];
if (entering) {
tabletDeviceDataHash->insert(deviceId, deviceData);
} else {
tabletDeviceDataHash->remove(deviceId);
}
qCDebug(lcQpaTablet, "proximity change on tablet %d: current tool %d type %d unique ID %lld",
deviceId, deviceData.device, deviceData.pointerType, deviceData.uid);
if (entering) {
QWindowSystemInterface::handleTabletEnterProximityEvent(timestamp, deviceData.device, deviceData.pointerType, deviceData.uid);
} else {
QWindowSystemInterface::handleTabletLeaveProximityEvent(timestamp, deviceData.device, deviceData.pointerType, deviceData.uid);
}
}
@end
#endif
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