view connectionitem.h @ 109:1721c580c10e

* Add a queueing mechanism for Hg actions, instead of refusing to start an action if something else is already happening.  This is essential now that actions can be prompted by asynchronous events (e.g. filesystem watcher).
 * Make Revert behave sensibly

/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */

/*
    EasyMercurial

    Based on HgExplorer by Jari Korhonen
    Copyright (c) 2010 Jari Korhonen
    Copyright (c) 2010 Chris Cannam
    Copyright (c) 2010 Queen Mary, University of London
    
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License as
    published by the Free Software Foundation; either version 2 of the
    License, or (at your option) any later version.  See the file
    COPYING included with this distribution for more information.
*/

#ifndef CONNECTIONITEM_H
#define CONNECTIONITEM_H

#include <QGraphicsItem>

class Connection;

class ChangesetItem;

class ConnectionItem : public QGraphicsItem
{
public:
    enum Type {
	Normal,
	Split,
	Merge
    };

    ConnectionItem() : m_type(Normal), m_parent(0), m_child(0) { }

    virtual QRectF boundingRect() const;
    virtual void paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget *);

    Type connectionType() const { return m_type; }
    void setConnectionType(Type t) { m_type = t; }

    //!!! deletion signals from parent/child

    ChangesetItem *parent() { return m_parent; }
    ChangesetItem *child() { return m_child; }

    void setParent(ChangesetItem *p) { m_parent = p; }
    void setChild(ChangesetItem *c) { m_child = c; }

private:
    Type m_type;
    ChangesetItem *m_parent;
    ChangesetItem *m_child;
};

#endif // CONNECTIONITEM_H