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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.
*/
#pragma once
#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();
Selections(const Selections&);
void operator=(const Selections& other);
//! 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:
friend class ProjectSerialiser;
QMap<sel_id_t, Selection> sels;
sel_id_t nextid;
sel_id_t act;
};
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