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127 lines
3.9 KiB
127 lines
3.9 KiB
/*
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Rosegarden
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A MIDI and audio sequencer and musical notation editor.
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This program is Copyright 2000-2008
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Guillaume Laurent <glaurent@telegraph-road.org>,
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Chris Cannam <cannam@all-day-breakfast.com>,
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Richard Bown <richard.bown@ferventsoftware.com>
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The moral rights of Guillaume Laurent, Chris Cannam, and Richard
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Bown to claim authorship of this work have been asserted.
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Other copyrights also apply to some parts of this work. Please
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see the AUTHORS file and individual file headers for details.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version. See the file
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COPYING included with this distribution for more information.
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*/
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#include "PasteConductorDataCommand.h"
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#include <tdelocale.h>
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#include "base/Clipboard.h"
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#include "base/Composition.h"
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#include "base/NotationTypes.h"
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#include "base/Selection.h"
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namespace Rosegarden
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{
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PasteConductorDataCommand::PasteConductorDataCommand(Composition *composition,
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Clipboard *clipboard,
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timeT t) :
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KNamedCommand(i18n("Paste Tempos and Time Signatures")),
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m_composition(composition),
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m_clipboard(new Clipboard(*clipboard)),
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m_t0(t)
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{}
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PasteConductorDataCommand::~PasteConductorDataCommand()
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{
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delete m_clipboard;
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}
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void
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PasteConductorDataCommand::execute()
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{
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//!!! current implementation of execute and unexecute require
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// that the target area of the composition be empty of tempo and
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// timesig data before the command is executed
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if (m_clipboard->hasTimeSignatureSelection()) {
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for (TimeSignatureSelection::timesigcontainer::const_iterator i =
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m_clipboard->getTimeSignatureSelection().begin();
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i != m_clipboard->getTimeSignatureSelection().end(); ++i) {
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timeT t = i->first;
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t = t - m_clipboard->getBaseTime() + m_t0;
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TimeSignature sig = i->second;
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if (i == m_clipboard->getTimeSignatureSelection().begin() &&
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m_composition->getTimeSignatureAt(t) == sig)
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continue;
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m_composition->addTimeSignature(t, sig);
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}
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}
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if (m_clipboard->hasTempoSelection()) {
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for (TempoSelection::tempocontainer::const_iterator i =
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m_clipboard->getTempoSelection().begin();
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i != m_clipboard->getTempoSelection().end(); ++i) {
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timeT t = i->first;
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t = t - m_clipboard->getBaseTime() + m_t0;
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tempoT tempo = i->second.first;
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tempoT targetTempo = i->second.second;
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if (i == m_clipboard->getTempoSelection().begin() &&
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targetTempo < 0 &&
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m_composition->getTempoAtTime(t) == tempo)
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continue;
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m_composition->addTempoAtTime(t, tempo, targetTempo);
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}
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}
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}
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void
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PasteConductorDataCommand::unexecute()
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{
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//!!! see note above
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for (TimeSignatureSelection::timesigcontainer::const_iterator i =
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m_clipboard->getTimeSignatureSelection().begin();
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i != m_clipboard->getTimeSignatureSelection().end(); ++i) {
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timeT t = i->first;
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int n = m_composition->getTimeSignatureNumberAt(t);
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if (n >= 0 && m_composition->getTimeSignatureChange(n).first == t) {
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m_composition->removeTimeSignature(n);
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}
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}
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for (TempoSelection::tempocontainer::const_iterator i =
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m_clipboard->getTempoSelection().begin();
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i != m_clipboard->getTempoSelection().end(); ++i) {
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timeT t = i->first;
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int n = m_composition->getTempoChangeNumberAt(t);
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if (n >= 0 && m_composition->getTempoChange(n).first == t) {
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m_composition->removeTempoChange(n);
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}
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}
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}
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}
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