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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* selection.h
*
* Sat Nov 21 13:20:46 CET 2009
* Copyright 2009 Bent Bisballe Nyeng
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of DrumGizmo.
*
* DrumGizmo 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.
*
* DrumGizmo is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with DrumGizmo; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#ifndef __DRUMGIZMO_SELECTION_H__
#define __DRUMGIZMO_SELECTION_H__
#include <QObject>
#include <QMap>
#include <QVector>
class Selection {
public:
Selection(int from = 0, int to = 0, int fadein = 0, int fadeout = 0) {
this->from = from;
this->to = to;
this->fadein = fadein;
this->fadeout = fadeout;
}
size_t from;
size_t to;
size_t fadein;
size_t fadeout;
double energy;
QString name;
};
typedef int sel_id_t;
#define SEL_NONE -1
class Selections : public QObject {
Q_OBJECT
public:
Selections();
/**
* Add a new selection object. The new id is returned.
* Adding a new selections will emit an added signal with the new id.
*/
sel_id_t add(Selection selection);
/**
* Get a stack copy of a specific selection object, by id.
* NOTE: If id does not exist an empty selection (from = to = 0) is
* returned.
*/
Selection get(sel_id_t id);
/**
* Return vector (unsorted) of all ids in the object.
*/
QVector<sel_id_t> ids();
/**
* Set active selection (to be rendered yellow)
*/
void setActive(sel_id_t id);
/**
* Get active selection id.
*/
sel_id_t active();
public slots:
/**
* Update a selection by id.
* Updating a selection will emit a updated signal.
*/
void update(sel_id_t id, Selection selection);
/**
* Delete a selection by id.
* Deleting a selection will emit a deleted signal.
*/
void remove(sel_id_t id);
/**
* Delete all selections
*/
void clear();
signals:
/**
* This signal is emitted when a new selection has been added.
*/
void added(sel_id_t id);
/**
* This signal is emitted when an existing selection has been updated.
*/
void updated(sel_id_t id);
/**
* This signal is emitted when a selection has been removed.
*/
void removed(sel_id_t id);
/**
* The active selection changed.
*/
void activeChanged(sel_id_t id);
private:
QMap<sel_id_t, Selection> sels;
sel_id_t nextid;
sel_id_t act;
};
#endif/*__DRUMGIZMO_SELECTION_H__*/
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