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54 lines
1.5 KiB
54 lines
1.5 KiB
8 years ago
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/* BEGIN_COMMON_COPYRIGHT_HEADER
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* (c)LGPL2+
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*
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* LXQt - a lightweight, Qt based, desktop toolset
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* http://lxqt.org
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*
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* Copyright: 2015 LXQt team
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* Authors:
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* Palo Kisa <palo.kisa@gmail.com>
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*
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* This program or library is free software; you can redistribute it
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* and/or modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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* You should have received a copy of the GNU Lesser General
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* Public License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*
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* END_COMMON_COPYRIGHT_HEADER */
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#if !defined(WINDOWNOTIFIER_H)
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#define WINDOWNOTIFIER_H
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#include <QObject>
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class QWidget;
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class WindowNotifier : public QObject
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{
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Q_OBJECT
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public:
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using QObject::QObject;
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void observeWindow(QWidget * w);
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inline bool isAnyWindowShown() const { return !mShownWindows.isEmpty(); }
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virtual bool eventFilter(QObject * watched, QEvent * event) override;
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signals:
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void lastHidden();
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void firstShown();
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private:
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QList<QWidget *> mShownWindows; //!< known shown windows (sorted)
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};
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#endif
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