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// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "qquickpresshandler_p_p.h"
#include <QtCore/private/qobject_p.h>
#include <QtGui/qguiapplication.h>
#include <QtGui/qstylehints.h>
#include <QtQuick/qquickitem.h>
#include <QtQuick/private/qquickevents_p_p.h>
#include <QtQuickTemplates2/private/qquicktextarea_p.h>
#include <QtQuickTemplates2/private/qquicktextfield_p.h>
QT_BEGIN_NAMESPACE
void QQuickPressHandler::mousePressEvent(QMouseEvent *event)
{
longPress = false;
pressPos = event->position();
if (Qt::LeftButton == (event->buttons() & Qt::LeftButton)) {
timer.start(QGuiApplication::styleHints()->mousePressAndHoldInterval(), control);
delayedMousePressEvent = std::make_unique<QMouseEvent>(event->type(), event->position().toPoint(), event->globalPosition().toPoint(),
event->button(), event->buttons(), event->modifiers(), event->pointingDevice());
} else {
timer.stop();
}
if (isSignalConnected(control, "pressed(QQuickMouseEvent*)", pressedSignalIndex)) {
QQuickMouseEvent mev;
mev.reset(pressPos.x(), pressPos.y(), event->button(), event->buttons(),
event->modifiers(), false/*isClick*/, false/*wasHeld*/);
mev.setAccepted(true);
QQuickMouseEvent *mevPtr = &mev;
void *args[] = { nullptr, &mevPtr };
QMetaObject::metacall(control, QMetaObject::InvokeMetaMethod, pressedSignalIndex, args);
event->setAccepted(mev.isAccepted());
}
}
void QQuickPressHandler::mouseMoveEvent(QMouseEvent *event)
{
if (qAbs(int(event->position().x() - pressPos.x())) > QGuiApplication::styleHints()->startDragDistance())
timer.stop();
}
void QQuickPressHandler::mouseReleaseEvent(QMouseEvent *event)
{
if (!longPress) {
timer.stop();
if (isSignalConnected(control, "released(QQuickMouseEvent*)", releasedSignalIndex)) {
QQuickMouseEvent mev;
mev.reset(pressPos.x(), pressPos.y(), event->button(), event->buttons(),
event->modifiers(), false/*isClick*/, false/*wasHeld*/);
mev.setAccepted(true);
QQuickMouseEvent *mevPtr = &mev;
void *args[] = { nullptr, &mevPtr };
QMetaObject::metacall(control, QMetaObject::InvokeMetaMethod, releasedSignalIndex, args);
event->setAccepted(mev.isAccepted());
}
}
}
void QQuickPressHandler::timerEvent(QTimerEvent *)
{
timer.stop();
clearDelayedMouseEvent();
longPress = isSignalConnected(control, "pressAndHold(QQuickMouseEvent*)", pressAndHoldSignalIndex);
if (longPress) {
QQuickMouseEvent mev;
QT_WARNING_PUSH
QT_WARNING_DISABLE_DEPRECATED
mev.reset(pressPos.x(), pressPos.y(), Qt::LeftButton, Qt::LeftButton,
QGuiApplication::keyboardModifiers(), false/*isClick*/, true/*wasHeld*/);
QT_WARNING_POP
mev.setAccepted(true);
// Use fast signal invocation since we already got its index
QQuickMouseEvent *mevPtr = &mev;
void *args[] = { nullptr, &mevPtr };
QMetaObject::metacall(control, QMetaObject::InvokeMetaMethod, pressAndHoldSignalIndex, args);
if (!mev.isAccepted())
longPress = false;
}
}
void QQuickPressHandler::clearDelayedMouseEvent()
{
delayedMousePressEvent.reset();
}
bool QQuickPressHandler::isActive()
{
return !(timer.isActive() || longPress);
}
bool QQuickPressHandler::isSignalConnected(QQuickItem *item, const char *signalName, int &signalIndex)
{
if (signalIndex == -1)
signalIndex = item->metaObject()->indexOfSignal(signalName);
Q_ASSERT(signalIndex != -1);
const auto signalMetaMethod = item->metaObject()->method(signalIndex);
if (QQuickTextArea *textArea = qobject_cast<QQuickTextArea*>(item)) {
return textArea->isSignalConnected(signalMetaMethod);
} else if (QQuickTextField *textField = qobject_cast<QQuickTextField*>(item)) {
return textField->isSignalConnected(signalMetaMethod);
}
qFatal("Unhandled control type for signal name: %s", signalName);
return false;
}
QT_END_NAMESPACE
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