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162 lines
5.2 KiB
162 lines
5.2 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 "CutAndCloseCommand.h"
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#include "base/Clipboard.h"
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#include "base/NotationTypes.h"
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#include "base/Segment.h"
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#include "base/Selection.h"
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#include "CutCommand.h"
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#include <tqstring.h>
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#include "misc/Debug.h"
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namespace Rosegarden
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{
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CutAndCloseCommand::CutAndCloseCommand(EventSelection &selection,
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Clipboard *clipboard) :
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KMacroCommand(getGlobalName())
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{
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addCommand(new CutCommand(selection, clipboard));
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addCommand(new CloseCommand(&selection.getSegment(),
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selection.getEndTime(),
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selection.getStartTime()));
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}
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void
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CutAndCloseCommand::CloseCommand::execute()
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{
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// We shift all the events from m_gapEnd to the end of the
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// segment back so that they start at m_gapStart instead of m_gapEnd.
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assert(m_gapEnd >= m_gapStart);
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if (m_gapEnd == m_gapStart)
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return ;
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// We also need to record how many events there are already at
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// m_gapStart so that we can leave those unchanged when we undo.
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// (This command is executed on the understanding that the area
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// between m_gapStart and m_gapEnd is empty of all but rests, but
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// in practice there may be other things such as a clef at the
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// same time as m_gapStart. This will only work for events that
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// have smaller subordering than notes etc.)
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m_staticEvents = 0;
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for (Segment::iterator i = m_segment->findTime(m_gapStart);
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m_segment->isBeforeEndMarker(i); ++i) {
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if ((*i)->getAbsoluteTime() > m_gapStart)
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break;
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if ((*i)->isa(Note::EventRestType))
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continue;
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++m_staticEvents;
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}
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std::vector<Event *> events;
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timeT timeDifference = m_gapEnd - m_gapStart;
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for (Segment::iterator i = m_segment->findTime(m_gapEnd);
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m_segment->isBeforeEndMarker(i); ++i) {
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events.push_back((*i)->copyMoving( -timeDifference));
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}
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timeT oldEndTime = m_segment->getEndTime();
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// remove rests from target area, and everything thereafter
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for (Segment::iterator i = m_segment->findTime(m_gapStart);
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m_segment->isBeforeEndMarker(i); ) {
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if ((*i)->getAbsoluteTime() >= m_gapEnd ||
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(*i)->isa(Note::EventRestType)) {
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Segment::iterator j(i);
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++j;
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m_segment->erase(i);
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i = j;
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} else {
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++i;
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}
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}
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for (unsigned int i = 0; i < events.size(); ++i) {
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m_segment->insert(events[i]);
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}
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m_segment->normalizeRests(m_segment->getEndTime(), oldEndTime);
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}
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void
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CutAndCloseCommand::CloseCommand::unexecute()
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{
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// We want to shift events from m_gapStart to the end of the
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// segment forward so as to start at m_gapEnd instead of
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// m_gapStart.
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assert(m_gapEnd >= m_gapStart);
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if (m_gapEnd == m_gapStart)
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return ;
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// May need to ignore some static events at m_gapStart.
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// These are assumed to have smaller subordering than whatever
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// we're not ignoring. Actually this still isn't quite right:
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// it'll do the wrong thing where we have, say, a clef then
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// some notes then another clef and we cut-and-close all the
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// notes and then undo. But it's better than we were doing
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// before.
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Segment::iterator starti = m_segment->findTime(m_gapStart);
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while (m_segment->isBeforeEndMarker(starti)) {
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if (m_staticEvents == 0)
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break;
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if ((*starti)->getAbsoluteTime() > m_gapStart)
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break;
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if (!(*starti)->isa(Note::EventRestType))
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--m_staticEvents;
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++starti;
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}
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std::vector<Event *> events;
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timeT timeDifference = m_gapEnd - m_gapStart;
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for (Segment::iterator i = starti; m_segment->isBeforeEndMarker(i); ) {
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Segment::iterator j(i);
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++j;
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events.push_back((*i)->copyMoving(timeDifference));
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m_segment->erase(i);
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i = j;
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}
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for (unsigned int i = 0; i < events.size(); ++i) {
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m_segment->insert(events[i]);
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}
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timeT endTime = m_segment->getEndTime();
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NOTATION_DEBUG << "setting end time to " << (endTime - timeDifference) << endl;
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//!!! this following is not working for bugaccidentals.rg:
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m_segment->setEndTime(endTime - timeDifference);
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m_segment->normalizeRests(m_gapStart, m_gapEnd);
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}
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}
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