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Diffstat (limited to 'src/commands/segment/PasteToTriggerSegmentCommand.cpp')
-rw-r--r-- | src/commands/segment/PasteToTriggerSegmentCommand.cpp | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/src/commands/segment/PasteToTriggerSegmentCommand.cpp b/src/commands/segment/PasteToTriggerSegmentCommand.cpp new file mode 100644 index 0000000..0447c40 --- /dev/null +++ b/src/commands/segment/PasteToTriggerSegmentCommand.cpp @@ -0,0 +1,129 @@ +/* -*- 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 <[email protected]>, + Chris Cannam <[email protected]>, + Richard Bown <[email protected]> + + 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 "PasteToTriggerSegmentCommand.h" + +#include "base/Event.h" +#include <klocale.h> +#include "misc/Strings.h" +#include "base/Clipboard.h" +#include "base/Composition.h" +#include "base/NotationTypes.h" +#include "base/Segment.h" +#include "base/TriggerSegment.h" +#include <qstring.h> + + +namespace Rosegarden +{ + +PasteToTriggerSegmentCommand::PasteToTriggerSegmentCommand(Composition *composition, + Clipboard *clipboard, + QString label, + int basePitch, + int baseVelocity) : + KNamedCommand(i18n("Paste as New Triggered Segment")), + m_composition(composition), + m_clipboard(new Clipboard(*clipboard)), + m_label(label), + m_basePitch(basePitch), + m_baseVelocity(baseVelocity), + m_segment(0), + m_detached(false) +{ + // nothing else +} + +PasteToTriggerSegmentCommand::~PasteToTriggerSegmentCommand() +{ + if (m_detached) + delete m_segment; + delete m_clipboard; +} + +void +PasteToTriggerSegmentCommand::execute() +{ + if (m_segment) { + + m_composition->addTriggerSegment(m_segment, m_id, m_basePitch, m_baseVelocity); + + } else { + + if (m_clipboard->isEmpty()) + return ; + + m_segment = new Segment(); + + timeT earliestStartTime = 0; + timeT latestEndTime = 0; + + for (Clipboard::iterator i = m_clipboard->begin(); + i != m_clipboard->end(); ++i) { + + if (i == m_clipboard->begin() || + (*i)->getStartTime() < earliestStartTime) { + earliestStartTime = (*i)->getStartTime(); + } + + if ((*i)->getEndMarkerTime() > latestEndTime) + latestEndTime = (*i)->getEndMarkerTime(); + } + + for (Clipboard::iterator i = m_clipboard->begin(); + i != m_clipboard->end(); ++i) { + + for (Segment::iterator si = (*i)->begin(); + (*i)->isBeforeEndMarker(si); ++si) { + if (!(*si)->isa(Note::EventRestType)) { + m_segment->insert + (new Event(**si, + (*si)->getAbsoluteTime() - earliestStartTime)); + } + } + } + + m_segment->setLabel(qstrtostr(m_label)); + + TriggerSegmentRec *rec = + m_composition->addTriggerSegment(m_segment, m_basePitch, m_baseVelocity); + if (rec) + m_id = rec->getId(); + } + + m_composition->getTriggerSegmentRec(m_id)->updateReferences(); + + m_detached = false; +} + +void +PasteToTriggerSegmentCommand::unexecute() +{ + if (m_segment) + m_composition->detachTriggerSegment(m_id); + m_detached = true; +} + +} |