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79 lines
2.2 KiB
C++
79 lines
2.2 KiB
C++
/*
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* All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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* its licensors.
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*
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* For complete copyright and license terms please see the LICENSE at the root of this
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* distribution (the "License"). All use of this software is governed by the License,
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* or, if provided, by the license below or the license accompanying this file. Do not
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* remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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*
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*/
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// Description : Utility for dismissing every modal windows
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#include "EditorDefs.h"
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#include "ModalWindowDismisser.h"
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// Qt
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#include <QDialog>
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#include <QTimer>
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ModalWindowDismisser::ModalWindowDismisser()
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{
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qApp->installEventFilter(this);
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}
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ModalWindowDismisser::~ModalWindowDismisser()
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{
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if (qApp)
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{
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qApp->removeEventFilter(this);
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}
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}
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void ModalWindowDismisser::DismissWindows()
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{
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for (QDialog* dialog : m_windows)
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{
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dialog->close();
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}
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m_windows.clear();
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m_dissmiss = false;
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}
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bool ModalWindowDismisser::eventFilter(QObject* object, QEvent* event)
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{
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if (QDialog* dialog = qobject_cast<QDialog*>(object))
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{
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if (dialog->isModal())
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{
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if (event->type() == QEvent::Show)
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{
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auto it = AZStd::find(m_windows.begin(), m_windows.end(), dialog);
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if (it == m_windows.end())
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{
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m_windows.push_back(dialog);
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}
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if (!m_dissmiss)
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{
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// Closing the window at the same moment is opened leads to crashes and is unstable,
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// so do it after a long 1 ms
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QTimer::singleShot(1, this, &ModalWindowDismisser::DismissWindows);
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m_dissmiss = true;
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}
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}
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else if (event->type() == QEvent::Close)
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{
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auto it = AZStd::find(m_windows.begin(), m_windows.end(), dialog);
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if (it != m_windows.end())
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{
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m_windows.erase(it);
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}
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}
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}
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}
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return false;
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}
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