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Diffstat (limited to 'src/commands/notation/ClefInsertionCommand.cpp')
-rw-r--r-- | src/commands/notation/ClefInsertionCommand.cpp | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/src/commands/notation/ClefInsertionCommand.cpp b/src/commands/notation/ClefInsertionCommand.cpp new file mode 100644 index 0000000..f21c1b0 --- /dev/null +++ b/src/commands/notation/ClefInsertionCommand.cpp @@ -0,0 +1,137 @@ +/* -*- 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 "ClefInsertionCommand.h" + +#include <klocale.h> +#include "misc/Strings.h" +#include "base/Event.h" +#include "base/NotationTypes.h" +#include "base/Segment.h" +#include "base/SegmentNotationHelper.h" +#include "base/BaseProperties.h" +#include "document/BasicCommand.h" +#include <qstring.h> + + +namespace Rosegarden +{ + +using namespace BaseProperties; + +ClefInsertionCommand::ClefInsertionCommand(Segment &segment, timeT time, + Clef clef, + bool shouldChangeOctave, + bool shouldTranspose) : + BasicCommand(getGlobalName(&clef), segment, time, + ((shouldChangeOctave || shouldTranspose) ? + segment.getEndTime() : time + 1)), + m_clef(clef), + m_shouldChangeOctave(shouldChangeOctave), + m_shouldTranspose(shouldTranspose), + m_lastInsertedEvent(0) +{ + // nothing +} + +ClefInsertionCommand::~ClefInsertionCommand() +{ + // nothing +} + +QString +ClefInsertionCommand::getGlobalName(Clef *) +{ + /* doesn't handle octave offset -- leave it for now + if (clef) { + QString name(strtoqstr(clef->getClefType())); + name = name.left(1).upper() + name.right(name.length()-1); + return i18n("Change to %1 Cle&f...").arg(name); + } else { + */ + return i18n("Add Cle&f Change..."); + /* + } + */ +} + +timeT +ClefInsertionCommand::getRelayoutEndTime() +{ + // Inserting a clef can change the y-coord of every subsequent note + return getSegment().getEndTime(); +} + +void +ClefInsertionCommand::modifySegment() +{ + SegmentNotationHelper helper(getSegment()); + Clef oldClef(getSegment().getClefAtTime(getStartTime())); + + Segment::iterator i = getSegment().findTime(getStartTime()); + while (getSegment().isBeforeEndMarker(i)) { + if ((*i)->getAbsoluteTime() > getStartTime()) { + break; + } + if ((*i)->isa(Clef::EventType)) { + getSegment().erase(i); + break; + } + ++i; + } + + i = helper.insertClef(getStartTime(), m_clef); + if (i != helper.segment().end()) + m_lastInsertedEvent = *i; + + if (m_clef != oldClef) { + + int semitones = 0; + + if (m_shouldChangeOctave) { + semitones += 12 * (m_clef.getOctave() - oldClef.getOctave()); + } + if (m_shouldTranspose) { + semitones -= m_clef.getPitchOffset() - oldClef.getPitchOffset(); + } + + if (semitones != 0) { + while (i != helper.segment().end()) { + if ((*i)->isa(Note::EventType)) { + long pitch = 0; + if ((*i)->get + <Int>(PITCH, pitch)) { + pitch += semitones; + (*i)->set + <Int>(PITCH, pitch); + } + } + ++i; + } + } + } +} + +} |