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// Copyright (C) 2020 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "tabletwidget.h"
#include <QPainter>
#include <QApplication>
#include <QDebug>
#include <QMetaObject>
#include <QMetaEnum>
TabletWidget::TabletWidget(bool mouseToo) : mMouseToo(mouseToo), mWheelEventCount(0), mQuitShortcut(QKeySequence::Quit, this)
{
QPalette newPalette = palette();
newPalette.setColor(QPalette::Window, Qt::white);
newPalette.setColor(QPalette::WindowText, Qt::black);
setPalette(newPalette);
qApp->installEventFilter(this);
resetAttributes();
connect(&mQuitShortcut, SIGNAL(activated()), qApp, SLOT(quit()));
}
bool TabletWidget::eventFilter(QObject *, QEvent *ev)
{
switch (ev->type()) {
case QEvent::TabletEnterProximity:
case QEvent::TabletLeaveProximity:
case QEvent::TabletMove:
case QEvent::TabletPress:
case QEvent::TabletRelease:
{
QTabletEvent *event = static_cast<QTabletEvent*>(ev);
mDev = event->pointingDevice();
if (!mDev)
qWarning() << "missing device in tablet event";
mType = event->type();
mPos = event->position();
mGPos = event->globalPosition();
mXT = event->xTilt();
mYT = event->yTilt();
mZ = event->z();
mPress = event->pressure();
mTangential = event->tangentialPressure();
mRot = event->rotation();
mButton = event->button();
mButtons = event->buttons();
mModifiers = event->modifiers();
mTimestamp = event->timestamp();
if (isVisible())
update();
break;
}
case QEvent::MouseMove:
if (mMouseToo) {
resetAttributes();
QMouseEvent *event = static_cast<QMouseEvent*>(ev);
mType = event->type();
mPos = event->pos();
mGPos = event->globalPosition();
mTimestamp = event->timestamp();
}
break;
case QEvent::Wheel:
++mWheelEventCount;
break;
default:
break;
}
return false;
}
void TabletWidget::paintEvent(QPaintEvent *)
{
QPainter painter(this);
QStringList eventInfo;
QString typeString("Event type: ");
switch (mType) {
case QEvent::TabletEnterProximity:
typeString += "QEvent::TabletEnterProximity";
break;
case QEvent::TabletLeaveProximity:
typeString += "QEvent::TabletLeaveProximity";
break;
case QEvent::TabletMove:
typeString += "QEvent::TabletMove";
break;
case QEvent::TabletPress:
typeString += "QEvent::TabletPress";
break;
case QEvent::TabletRelease:
typeString += "QEvent::TabletRelease";
break;
case QEvent::MouseMove:
typeString += "QEvent::MouseMove";
break;
}
eventInfo << typeString;
eventInfo << QString("Global position: %1 %2").arg(QString::number(mGPos.x()), QString::number(mGPos.y()));
eventInfo << QString("Local position: %1 %2").arg(QString::number(mPos.x()), QString::number(mPos.y()));
eventInfo << QString("Timestamp: %1").arg(QString::number(mTimestamp));
if (mType == QEvent::TabletEnterProximity || mType == QEvent::TabletLeaveProximity
|| mType == QEvent::TabletMove || mType == QEvent::TabletPress
|| mType == QEvent::TabletRelease) {
if (mDev.isNull()) {
eventInfo << QString("Device info missing");
} else {
eventInfo << QString("Seat: %1").arg(mDev->seatName());
eventInfo << QString("Name: %1").arg(mDev->name());
eventInfo << QString("Device type: %1").arg(deviceTypeToString(mDev->type()));
eventInfo << QString("Pointer type: %1").arg(pointerTypeToString(mDev->pointerType()));
eventInfo << QString("Capabilities: %1").arg(pointerCapabilitiesToString(mDev->capabilities()));
eventInfo << QString("Unique Id: %1").arg(QString::number(mDev->uniqueId().numericId(), 16));
}
eventInfo << QString("Button: %1 (0x%2)").arg(buttonToString(mButton)).arg(mButton, 0, 16);
eventInfo << QString("Buttons currently pressed: %1 (0x%2)").arg(buttonsToString(mButtons)).arg(mButtons, 0, 16);
eventInfo << QString("Keyboard modifiers: %1 (0x%2)").arg(modifiersToString(mModifiers)).arg(mModifiers, 0, 16);
eventInfo << QString("Pressure: %1").arg(QString::number(mPress));
eventInfo << QString("Tangential pressure: %1").arg(QString::number(mTangential));
eventInfo << QString("Rotation: %1").arg(QString::number(mRot));
eventInfo << QString("xTilt: %1").arg(QString::number(mXT));
eventInfo << QString("yTilt: %1").arg(QString::number(mYT));
eventInfo << QString("z: %1").arg(QString::number(mZ));
eventInfo << QString("Total wheel events: %1").arg(QString::number(mWheelEventCount));
}
QString text = eventInfo.join("\n");
painter.drawText(rect(), text);
}
const char *TabletWidget::deviceTypeToString(QInputDevice::DeviceType t)
{
static int enumIdx = QInputDevice::staticMetaObject.indexOfEnumerator("DeviceType");
return QPointingDevice::staticMetaObject.enumerator(enumIdx).valueToKey(int(t));
}
const char *TabletWidget::pointerTypeToString(QPointingDevice::PointerType t)
{
static int enumIdx = QPointingDevice::staticMetaObject.indexOfEnumerator("PointerType");
return QPointingDevice::staticMetaObject.enumerator(enumIdx).valueToKey(int(t));
}
QString TabletWidget::pointerCapabilitiesToString(QPointingDevice::Capabilities c)
{
static int enumIdx = QPointingDevice::staticMetaObject.indexOfEnumerator("Capabilities");
return QString::fromLatin1(QPointingDevice::staticMetaObject.enumerator(enumIdx).valueToKeys(c));
}
const char *TabletWidget::buttonToString(Qt::MouseButton b)
{
static int enumIdx = QObject::staticMetaObject.indexOfEnumerator("MouseButtons");
return QObject::staticMetaObject.enumerator(enumIdx).valueToKey(b);
}
QString TabletWidget::buttonsToString(Qt::MouseButtons bs)
{
QStringList ret;
for (int i = 0; (uint)(1 << i) <= Qt::MaxMouseButton; ++i) {
Qt::MouseButton b = static_cast<Qt::MouseButton>(1 << i);
if (bs.testFlag(b))
ret << buttonToString(b);
}
return ret.join(QLatin1Char('|'));
}
QString TabletWidget::modifiersToString(Qt::KeyboardModifiers m)
{
QStringList ret;
if (m & Qt::ShiftModifier)
ret << QLatin1String("Shift");
if (m & Qt::ControlModifier)
ret << QLatin1String("Control");
if (m & Qt::AltModifier)
ret << QLatin1String("Alt");
if (m & Qt::MetaModifier)
ret << QLatin1String("Meta");
if (m & Qt::KeypadModifier)
ret << QLatin1String("Keypad");
if (m & Qt::GroupSwitchModifier)
ret << QLatin1String("GroupSwitch");
return ret.join(QLatin1Char('|'));
}
void TabletWidget::tabletEvent(QTabletEvent *event)
{
event->accept();
}
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