viewselectiontracker.h

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/**********************************************************************
 * LeechCraft - modular cross-platform feature rich internet client.
 * Copyright (C) 2006-2014  Georg Rudoy
 *
 * Distributed under the Boost Software License, Version 1.0.
 * (See accompanying file LICENSE or copy at https://www.boost.org/LICENSE_1_0.txt)
 **********************************************************************/
 
#pragma once
 
#include <QModelIndexList>
#include <QObject>
#include "guiconfig.h"
 
class QAbstractItemView;
 
namespace LC::Util
{
    class UTIL_GUI_API ViewSelectionTracker : public QObject
    {
        Q_OBJECT
 
        QAbstractItemView& View_;
        bool ScheduledSyncToSelection_ = false;
        bool SelectionDirty_ = false;
        bool GestureActive_ = false;
    public:
        explicit ViewSelectionTracker (QAbstractItemView&, QObject* = nullptr);
 
        bool eventFilter (QObject*, QEvent*) override;

        void EndGesture ();
    private:
        void HandleSelectionChange ();
        void ScheduleSyncToSelection ();
        void SyncToSelection ();
    signals:
        void gestureStarted ();

        void selectionStartedChanging ();

        void selectionChanging ();

        void selectionSettled (const QModelIndexList& rows, const QModelIndex& current);
    };
}