unhoverdeletemixin.cpp

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/**********************************************************************
 * LeechCraft - modular cross-platform feature rich internet client.
 * Copyright (C) 2006-2014  Georg Rudoy
 *
 * Boost Software License - Version 1.0 - August 17th, 2003
 *
 * Permission is hereby granted, free of charge, to any person or organization
 * obtaining a copy of the software and accompanying documentation covered by
 * this license (the "Software") to use, reproduce, display, distribute,
 * execute, and transmit the Software, and to prepare derivative works of the
 * Software, and to permit third-parties to whom the Software is furnished to
 * do so, all subject to the following:
 *
 * The copyright notices in the Software and this entire statement, including
 * the above license grant, this restriction and the following disclaimer,
 * must be included in all copies of the Software, in whole or in part, and
 * all derivative works of the Software, unless such copies or derivative
 * works are solely in the form of machine-executable object code generated by
 * a source language processor.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
 * SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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 **********************************************************************/
 
#include "unhoverdeletemixin.h"
#include <QWidget>
#include <QEvent>
#include <QTimer>
#include <QtDebug>
 
namespace LC
{
namespace Util
{
    UnhoverDeleteMixin::UnhoverDeleteMixin (QObject *watched, const char *slot)
    : QObject (watched)
    , LeaveTimer_ (new QTimer (this))
    , ContainsMouse_ (false)
    , IgnoreNext_ (false)
    {
        watched->installEventFilter (this);
 
        LeaveTimer_->setSingleShot (true);
        connect (LeaveTimer_,
                SIGNAL (timeout ()),
                watched,
                slot);
    }
 
    void UnhoverDeleteMixin::Start (int timeout)
    {
        if (!ContainsMouse_)
            LeaveTimer_->start (timeout);
    }
 
    void UnhoverDeleteMixin::Stop()
    {
        LeaveTimer_->stop ();
    }
 
    bool UnhoverDeleteMixin::eventFilter (QObject*, QEvent *event)
    {
        switch (event->type ())
        {
        case QEvent::Enter:
            if (!IgnoreNext_)
            {
                ContainsMouse_ = true;
                LeaveTimer_->stop ();
            }
            break;
        case QEvent::Leave:
            if (!IgnoreNext_)
            {
                ContainsMouse_ = false;
                LeaveTimer_->start (800);
            }
            else
                IgnoreNext_ = false;
            break;
        default:
            break;
        }
 
        return false;
    }
 
    void UnhoverDeleteMixin::IgnoreNext ()
    {
        IgnoreNext_ = true;
    }
}
}