mirror of
https://github.com/crystalidea/qt6windows7.git
synced 2024-11-27 22:48:27 +08:00
62 lines
2.4 KiB
C++
62 lines
2.4 KiB
C++
|
// Copyright (C) 2016 The Qt Company Ltd.
|
||
|
|
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
|
||
|
|
|
||
|
|
#include "mousepangesturerecognizer.h"
|
||
|
|
|
||
|
|
#include <QEvent>
|
||
|
|
#include <QMouseEvent>
|
||
|
|
#include <QGesture>
|
||
|
|
|
||
|
|
MousePanGestureRecognizer::MousePanGestureRecognizer()
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
QGesture *MousePanGestureRecognizer::create(QObject *)
|
||
|
|
{
|
||
|
|
return new QPanGesture;
|
||
|
|
}
|
||
|
|
|
||
|
|
QGestureRecognizer::Result MousePanGestureRecognizer::recognize(QGesture *state, QObject *, QEvent *event)
|
||
|
|
{
|
||
|
|
QPanGesture *g = static_cast<QPanGesture *>(state);
|
||
|
|
if (event->type() == QEvent::TouchBegin) {
|
||
|
|
// ignore the following mousepress event
|
||
|
|
g->setProperty("ignoreMousePress", QVariant::fromValue<bool>(true));
|
||
|
|
} else if (event->type() == QEvent::TouchEnd) {
|
||
|
|
g->setProperty("ignoreMousePress", QVariant::fromValue<bool>(false));
|
||
|
|
}
|
||
|
|
QMouseEvent *me = static_cast<QMouseEvent *>(event);
|
||
|
|
if (event->type() == QEvent::MouseButtonPress) {
|
||
|
|
if (g->property("ignoreMousePress").toBool())
|
||
|
|
return QGestureRecognizer::Ignore;
|
||
|
|
g->setHotSpot(me->globalPos());
|
||
|
|
g->setProperty("startPos", me->globalPos());
|
||
|
|
g->setProperty("pressed", QVariant::fromValue<bool>(true));
|
||
|
|
return QGestureRecognizer::TriggerGesture | QGestureRecognizer::ConsumeEventHint;
|
||
|
|
} else if (event->type() == QEvent::MouseMove) {
|
||
|
|
if (g->property("pressed").toBool()) {
|
||
|
|
QPoint offset = me->globalPos() - g->property("startPos").toPoint();
|
||
|
|
g->setLastOffset(g->offset());
|
||
|
|
g->setOffset(QPointF(offset.x(), offset.y()));
|
||
|
|
return QGestureRecognizer::TriggerGesture | QGestureRecognizer::ConsumeEventHint;
|
||
|
|
}
|
||
|
|
return QGestureRecognizer::CancelGesture;
|
||
|
|
} else if (event->type() == QEvent::MouseButtonRelease) {
|
||
|
|
if (g->property("pressed").toBool())
|
||
|
|
return QGestureRecognizer::FinishGesture | QGestureRecognizer::ConsumeEventHint;
|
||
|
|
}
|
||
|
|
return QGestureRecognizer::Ignore;
|
||
|
|
}
|
||
|
|
|
||
|
|
void MousePanGestureRecognizer::reset(QGesture *state)
|
||
|
|
{
|
||
|
|
QPanGesture *g = static_cast<QPanGesture *>(state);
|
||
|
|
g->setLastOffset(QPointF());
|
||
|
|
g->setOffset(QPointF());
|
||
|
|
g->setAcceleration(0);
|
||
|
|
g->setProperty("startPos", QVariant());
|
||
|
|
g->setProperty("pressed", QVariant::fromValue<bool>(false));
|
||
|
|
g->setProperty("ignoreMousePress", QVariant::fromValue<bool>(false));
|
||
|
|
QGestureRecognizer::reset(state);
|
||
|
|
}
|