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// -*- c-basic-offset: 4 -*-
/*
Rosegarden-4
A sequencer and musical notation editor.
This program is Copyright 2000-2005
Guillaume Laurent <glaurent@telegraph-road.org>,
Chris Cannam <cannam@all-day-breakfast.com>,
Richard Bown <bownie@bownie.com>
The moral right of the authors to claim authorship of this work
has been asserted.
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.
*/
#include <qcanvas.h>
#include <algorithm>
#include "notationelement.h"
#include "notationproperties.h"
#include "rosestrings.h"
#include "rosedebug.h"
#include "NotationTypes.h"
#include "BaseProperties.h"
#include "Event.h"
#include "Quantizer.h"
#include <kmessagebox.h>
using Rosegarden::Event;
using Rosegarden::Note;
using Rosegarden::Int;
using Rosegarden::Bool;
using Rosegarden::timeT;
NotationElement::NotationElement(Event *event)
: ViewElement(event),
m_recentlyRegenerated(false),
m_canvasItem(0),
m_extraItems(0)
{
// NOTATION_DEBUG << "new NotationElement "
// << this << " wrapping " << event << endl;
}
NotationElement::~NotationElement()
{
removeCanvasItem();
}
Rosegarden::timeT
NotationElement::getViewAbsoluteTime() const
{
return event()->getNotationAbsoluteTime();
}
Rosegarden::timeT
NotationElement::getViewDuration() const
{
return event()->getNotationDuration();
}
double
NotationElement::getCanvasX()
{
if (m_canvasItem)
return m_canvasItem->x();
else {
std::cerr << "ERROR: No canvas item for this notation element:";
event()->dump(std::cerr);
throw NoCanvasItem("No canvas item for notation element of type " +
event()->getType(), __FILE__, __LINE__);
}
}
double
NotationElement::getCanvasY()
{
if (m_canvasItem)
return m_canvasItem->y();
else {
std::cerr << "ERROR: No canvas item for this notation element:";
event()->dump(std::cerr);
throw NoCanvasItem("No canvas item for notation element of type " +
event()->getType(), __FILE__, __LINE__);
}
}
bool
NotationElement::isRest() const
{
return event()->isa(Note::EventRestType);
}
bool
NotationElement::isNote() const
{
return event()->isa(Note::EventType);
}
bool
NotationElement::isTuplet() const
{
return event()->has(Rosegarden::BaseProperties::BEAMED_GROUP_TUPLET_BASE);
}
bool
NotationElement::isGrace() const
{
return event()->has(Rosegarden::BaseProperties::IS_GRACE_NOTE) &&
event()->get<Bool>(Rosegarden::BaseProperties::IS_GRACE_NOTE);
}
void
NotationElement::setCanvasItem(QCanvasItem *e, double canvasX, double canvasY)
{
removeCanvasItem();
m_recentlyRegenerated = true;
m_canvasItem = e;
e->move(canvasX, canvasY);
}
void
NotationElement::addCanvasItem(QCanvasItem *e, double canvasX, double canvasY)
{
if (!m_canvasItem) {
std::cerr << "ERROR: Attempt to add extra canvas item to element without main canvas item:";
event()->dump(std::cerr);
throw NoCanvasItem("No canvas item for notation element of type " +
event()->getType(), __FILE__, __LINE__);
}
if (!m_extraItems) {
m_extraItems = new ItemList;
}
e->move(canvasX, canvasY);
m_extraItems->push_back(e);
}
void
NotationElement::removeCanvasItem()
{
m_recentlyRegenerated = false;
delete m_canvasItem;
m_canvasItem = 0;
if (m_extraItems) {
for (ItemList::iterator i = m_extraItems->begin();
i != m_extraItems->end(); ++i) delete *i;
m_extraItems->clear();
delete m_extraItems;
m_extraItems = 0;
}
}
void
NotationElement::reposition(double canvasX, double canvasY)
{
m_recentlyRegenerated = false;
if (!m_canvasItem) return;
double dx = canvasX - m_canvasItem->x();
double dy = canvasY - m_canvasItem->y();
m_canvasItem->move(canvasX, canvasY);
if (m_extraItems) {
for (ItemList::iterator i = m_extraItems->begin();
i != m_extraItems->end(); ++i) {
(*i)->moveBy(dx, dy);
}
}
}
bool
NotationElement::isSelected()
{
return m_canvasItem ? m_canvasItem->selected() : false;
}
void
NotationElement::setSelected(bool selected)
{
m_recentlyRegenerated = false;
if (m_canvasItem) m_canvasItem->setSelected(selected);
}
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