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authorJ-P Nurmi <jpnurmi@theqtcompany.com>2016-04-13 15:59:53 +0200
committerJ-P Nurmi <jpnurmi@theqtcompany.com>2016-04-13 15:28:11 +0000
commita60c8e60d508117ddf48876b44d31e6d5ab98da6 (patch)
tree8bf008a1bf8dc34338450eee86d2b55e84cba36c /src/quicktemplates2/qquickpresshandler.cpp
parente719087dce50d739c723c5ef9af2a9226318aa02 (diff)
Templates: rename the C++ module to qtquicktemplates2
Change-Id: I146da903b46f5c2caf865e37291c25376b49021a Reviewed-by: J-P Nurmi <jpnurmi@theqtcompany.com>
Diffstat (limited to 'src/quicktemplates2/qquickpresshandler.cpp')
-rw-r--r--src/quicktemplates2/qquickpresshandler.cpp114
1 files changed, 114 insertions, 0 deletions
diff --git a/src/quicktemplates2/qquickpresshandler.cpp b/src/quicktemplates2/qquickpresshandler.cpp
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+++ b/src/quicktemplates2/qquickpresshandler.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing/
+**
+** This file is part of the Qt Labs Templates module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL3$
+** 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 http://www.qt.io/terms-conditions. For further
+** information use the contact form at http://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.LGPLv3 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.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 later as published by the Free
+** Software Foundation and appearing in the file LICENSE.GPL included in
+** the packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 2.0 requirements will be
+** met: http://www.gnu.org/licenses/gpl-2.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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>
+
+QT_BEGIN_NAMESPACE
+
+QQuickPressHandler::QQuickPressHandler()
+ : control(nullptr)
+ , longPress(false)
+ , pressAndHoldSignalIndex(-1)
+ , delayedMousePressEvent(nullptr)
+{ }
+
+void QQuickPressHandler::mousePressEvent(QMouseEvent *event)
+{
+ longPress = false;
+ pressPos = event->localPos();
+ if (Qt::LeftButton == (event->buttons() & Qt::LeftButton)) {
+ timer.start(QGuiApplication::styleHints()->mousePressAndHoldInterval(), control);
+ delayedMousePressEvent = new QMouseEvent(event->type(), event->pos(), event->button(), event->buttons(), event->modifiers());
+ } else {
+ timer.stop();
+ }
+}
+
+void QQuickPressHandler::mouseMoveEvent(QMouseEvent *event)
+{
+ if (qAbs(int(event->localPos().x() - pressPos.x())) > QGuiApplication::styleHints()->startDragDistance())
+ timer.stop();
+}
+
+void QQuickPressHandler::mouseReleaseEvent(QMouseEvent *)
+{
+ if (!longPress)
+ timer.stop();
+}
+
+void QQuickPressHandler::timerEvent(QTimerEvent *)
+{
+ timer.stop();
+ clearDelayedMouseEvent();
+
+ if (pressAndHoldSignalIndex == -1)
+ pressAndHoldSignalIndex = control->metaObject()->indexOfSignal("pressAndHold(QQuickMouseEvent*)");
+ Q_ASSERT(pressAndHoldSignalIndex != -1);
+
+ longPress = QObjectPrivate::get(control)->isSignalConnected(pressAndHoldSignalIndex);
+ if (longPress) {
+ QQuickMouseEvent mev(pressPos.x(), pressPos.y(), Qt::LeftButton, Qt::LeftButton,
+ QGuiApplication::keyboardModifiers(), false/*isClick*/, true/*wasHeld*/);
+ 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()
+{
+ if (delayedMousePressEvent) {
+ delete delayedMousePressEvent;
+ delayedMousePressEvent = 0;
+ }
+}
+
+bool QQuickPressHandler::isActive()
+{
+ return !(timer.isActive() || longPress);
+}
+
+QT_END_NAMESPACE