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170 Zeilen
5.7 KiB
170 Zeilen
5.7 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 "AddIndicationCommand.h"
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#include <tdelocale.h>
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#include "misc/Strings.h"
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#include "base/Event.h"
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#include "base/NotationTypes.h"
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#include "base/Segment.h"
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#include "base/SegmentNotationHelper.h"
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#include "base/Selection.h"
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#include "document/BasicCommand.h"
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#include "gui/editors/notation/NotationProperties.h"
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#include <tqstring.h>
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namespace Rosegarden
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{
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AddIndicationCommand::AddIndicationCommand(std::string indicationType,
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EventSelection &selection) :
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BasicCommand(getGlobalName(indicationType),
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selection.getSegment(),
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selection.getStartTime(),
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selection.getEndTime()),
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m_indicationType(indicationType),
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m_indicationDuration(selection.getEndTime() - selection.getStartTime()),
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m_lastInsertedEvent(0)
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{
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// nothing else
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}
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AddIndicationCommand::~AddIndicationCommand()
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{
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// empty
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}
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bool
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AddIndicationCommand::canExecute()
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{
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Segment &s(getSegment());
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for (Segment::iterator i = s.begin(); s.isBeforeEndMarker(i); ++i) {
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if ((*i)->getAbsoluteTime() >= getStartTime() + m_indicationDuration) {
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return true;
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}
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if ((*i)->isa(Indication::EventType)) {
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try {
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Indication indication(**i);
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if ((*i)->getAbsoluteTime() + indication.getIndicationDuration() <=
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getStartTime())
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continue;
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std::string type = indication.getIndicationType();
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if (type == m_indicationType) {
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// for all indications (including slur), we reject an
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// exact overlap
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if ((*i)->getAbsoluteTime() == getStartTime() &&
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indication.getIndicationDuration() == m_indicationDuration) {
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return false;
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}
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} else if (m_indicationType == Indication::Slur) {
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continue;
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}
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// for non-slur indications we reject a partial
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// overlap such as this one, if it's an overlap with
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// an indication of the same "sort"
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if (m_indicationType == Indication::Crescendo ||
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m_indicationType == Indication::Decrescendo) {
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if (type == Indication::Crescendo ||
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type == Indication::Decrescendo)
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return false;
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}
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if (m_indicationType == Indication::QuindicesimaUp ||
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m_indicationType == Indication::OttavaUp ||
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m_indicationType == Indication::OttavaDown ||
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m_indicationType == Indication::QuindicesimaDown) {
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if (indication.isOttavaType())
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return false;
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}
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} catch (...) {}
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}
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}
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return true;
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}
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void
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AddIndicationCommand::modifySegment()
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{
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SegmentNotationHelper helper(getSegment());
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Indication indication(m_indicationType, m_indicationDuration);
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Event *e = indication.getAsEvent(getStartTime());
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helper.segment().insert(e);
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m_lastInsertedEvent = e;
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if (indication.isOttavaType()) {
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for (Segment::iterator i = getSegment().findTime(getStartTime());
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i != getSegment().findTime(getStartTime() + m_indicationDuration);
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++i) {
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if ((*i)->isa(Note::EventType)) {
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(*i)->setMaybe<Int>(NotationProperties::OTTAVA_SHIFT,
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indication.getOttavaShift());
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}
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}
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}
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}
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TQString
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AddIndicationCommand::getGlobalName(std::string indicationType)
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{
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if (indicationType == Indication::Slur) {
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return i18n("Add S&lur");
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} else if (indicationType == Indication::PhrasingSlur) {
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return i18n("Add &Phrasing Slur");
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} else if (indicationType == Indication::QuindicesimaUp) {
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return i18n("Add Double-Octave Up");
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} else if (indicationType == Indication::OttavaUp) {
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return i18n("Add Octave &Up");
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} else if (indicationType == Indication::OttavaDown) {
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return i18n("Add Octave &Down");
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} else if (indicationType == Indication::QuindicesimaDown) {
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return i18n("Add Double Octave Down");
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// We used to generate these ones from the internal names plus
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// caps, but that makes them untranslateable:
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} else if (indicationType == Indication::Crescendo) {
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return i18n("Add &Crescendo");
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} else if (indicationType == Indication::Decrescendo) {
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return i18n("Add &Decrescendo");
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} else if (indicationType == Indication::Glissando) {
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return i18n("Add &Glissando");
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}
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TQString n = i18n("Add &%1%2").arg((char)toupper(indicationType[0])).arg(strtoqstr(indicationType.substr(1)));
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return n;
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}
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}
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