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-rw-r--r--src/commands/edit/CutAndCloseCommand.cpp163
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diff --git a/src/commands/edit/CutAndCloseCommand.cpp b/src/commands/edit/CutAndCloseCommand.cpp
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+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
+
+/*
+ Rosegarden
+ A MIDI and audio sequencer and musical notation editor.
+
+ This program is Copyright 2000-2008
+ Guillaume Laurent <glaurent@telegraph-road.org>,
+ Chris Cannam <cannam@all-day-breakfast.com>,
+ Richard Bown <richard.bown@ferventsoftware.com>
+
+ The moral rights of Guillaume Laurent, Chris Cannam, and Richard
+ Bown to claim authorship of this work have been asserted.
+
+ Other copyrights also apply to some parts of this work. Please
+ see the AUTHORS file and individual file headers for details.
+
+ 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 "CutAndCloseCommand.h"
+
+#include "base/Clipboard.h"
+#include "base/NotationTypes.h"
+#include "base/Segment.h"
+#include "base/Selection.h"
+#include "CutCommand.h"
+#include <qstring.h>
+#include "misc/Debug.h"
+
+
+namespace Rosegarden
+{
+
+CutAndCloseCommand::CutAndCloseCommand(EventSelection &selection,
+ Clipboard *clipboard) :
+ KMacroCommand(getGlobalName())
+{
+ addCommand(new CutCommand(selection, clipboard));
+ addCommand(new CloseCommand(&selection.getSegment(),
+ selection.getEndTime(),
+ selection.getStartTime()));
+}
+
+void
+CutAndCloseCommand::CloseCommand::execute()
+{
+ // We shift all the events from m_gapEnd to the end of the
+ // segment back so that they start at m_gapStart instead of m_gapEnd.
+
+ assert(m_gapEnd >= m_gapStart);
+ if (m_gapEnd == m_gapStart)
+ return ;
+
+ // We also need to record how many events there are already at
+ // m_gapStart so that we can leave those unchanged when we undo.
+ // (This command is executed on the understanding that the area
+ // between m_gapStart and m_gapEnd is empty of all but rests, but
+ // in practice there may be other things such as a clef at the
+ // same time as m_gapStart. This will only work for events that
+ // have smaller subordering than notes etc.)
+
+ m_staticEvents = 0;
+ for (Segment::iterator i = m_segment->findTime(m_gapStart);
+ m_segment->isBeforeEndMarker(i); ++i) {
+ if ((*i)->getAbsoluteTime() > m_gapStart)
+ break;
+ if ((*i)->isa(Note::EventRestType))
+ continue;
+ ++m_staticEvents;
+ }
+
+ std::vector<Event *> events;
+ timeT timeDifference = m_gapEnd - m_gapStart;
+
+ for (Segment::iterator i = m_segment->findTime(m_gapEnd);
+ m_segment->isBeforeEndMarker(i); ++i) {
+ events.push_back((*i)->copyMoving( -timeDifference));
+ }
+
+ timeT oldEndTime = m_segment->getEndTime();
+
+ // remove rests from target area, and everything thereafter
+ for (Segment::iterator i = m_segment->findTime(m_gapStart);
+ m_segment->isBeforeEndMarker(i); ) {
+ if ((*i)->getAbsoluteTime() >= m_gapEnd ||
+ (*i)->isa(Note::EventRestType)) {
+ Segment::iterator j(i);
+ ++j;
+ m_segment->erase(i);
+ i = j;
+ } else {
+ ++i;
+ }
+ }
+
+ for (unsigned int i = 0; i < events.size(); ++i) {
+ m_segment->insert(events[i]);
+ }
+
+ m_segment->normalizeRests(m_segment->getEndTime(), oldEndTime);
+}
+
+void
+CutAndCloseCommand::CloseCommand::unexecute()
+{
+ // We want to shift events from m_gapStart to the end of the
+ // segment forward so as to start at m_gapEnd instead of
+ // m_gapStart.
+
+ assert(m_gapEnd >= m_gapStart);
+ if (m_gapEnd == m_gapStart)
+ return ;
+
+ // May need to ignore some static events at m_gapStart.
+ // These are assumed to have smaller subordering than whatever
+ // we're not ignoring. Actually this still isn't quite right:
+ // it'll do the wrong thing where we have, say, a clef then
+ // some notes then another clef and we cut-and-close all the
+ // notes and then undo. But it's better than we were doing
+ // before.
+
+ Segment::iterator starti = m_segment->findTime(m_gapStart);
+
+ while (m_segment->isBeforeEndMarker(starti)) {
+ if (m_staticEvents == 0)
+ break;
+ if ((*starti)->getAbsoluteTime() > m_gapStart)
+ break;
+ if (!(*starti)->isa(Note::EventRestType))
+ --m_staticEvents;
+ ++starti;
+ }
+
+ std::vector<Event *> events;
+ timeT timeDifference = m_gapEnd - m_gapStart;
+
+ for (Segment::iterator i = starti; m_segment->isBeforeEndMarker(i); ) {
+ Segment::iterator j(i);
+ ++j;
+ events.push_back((*i)->copyMoving(timeDifference));
+ m_segment->erase(i);
+ i = j;
+ }
+
+ for (unsigned int i = 0; i < events.size(); ++i) {
+ m_segment->insert(events[i]);
+ }
+
+ timeT endTime = m_segment->getEndTime();
+ NOTATION_DEBUG << "setting end time to " << (endTime - timeDifference) << endl;
+ //!!! this following is not working for bugaccidentals.rg:
+ m_segment->setEndTime(endTime - timeDifference);
+
+ m_segment->normalizeRests(m_gapStart, m_gapEnd);
+}
+
+}