622 lines
20 KiB
C++
622 lines
20 KiB
C++
//=============================================================================
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// MuseScore
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// Music Composition & Notation
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//
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// Copyright (C) 2002-2011 Werner Schweer
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License version 2
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// as published by the Free Software Foundation and appearing in
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// the file LICENCE.GPL
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//=============================================================================
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/**
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\file
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Implementation of class Selection plus other selection related functions.
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*/
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#include "mscore.h"
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#include "note.h"
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#include "chord.h"
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#include "rest.h"
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#include "score.h"
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#include "slur.h"
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#include "system.h"
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#include "select.h"
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#include "sig.h"
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#include "utils.h"
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#include "text.h"
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#include "segment.h"
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#include "input.h"
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#include "measure.h"
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#include "page.h"
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#include "barline.h"
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#include "xml.h"
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#include "lyrics.h"
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#include "limits.h"
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#include "tuplet.h"
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#include "beam.h"
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#include "textline.h"
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namespace Ms {
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//---------------------------------------------------------
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// Selection
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//---------------------------------------------------------
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Selection::Selection(Score* s)
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{
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_score = s;
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_state = SEL_NONE;
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_startSegment = 0;
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_endSegment = 0;
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_activeSegment = 0;
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_staffStart = 0;
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_staffEnd = 0;
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_activeTrack = 0;
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}
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//---------------------------------------------------------
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// tickStart
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//---------------------------------------------------------
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int Selection::tickStart() const
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{
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return _startSegment->tick();
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}
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//---------------------------------------------------------
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// tickEnd
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//---------------------------------------------------------
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int Selection::tickEnd() const
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{
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if (_endSegment) {
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return _endSegment->tick();
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}
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else{ // endsegment == 0 if end of score
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Measure* m = _score->lastMeasure();
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return m->tick() + m->ticks();
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}
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}
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//---------------------------------------------------------
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// isStartActive
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//---------------------------------------------------------
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bool Selection::isStartActive() const
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{
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return activeSegment() && activeSegment()->tick() == tickStart();
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}
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//---------------------------------------------------------
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// isEndActive
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//---------------------------------------------------------
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bool Selection::isEndActive() const {
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return activeSegment() && activeSegment()->tick() == tickEnd();
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}
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//---------------------------------------------------------
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// element
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//---------------------------------------------------------
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Element* Selection::element() const
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{
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return _el.size() == 1 ? _el[0] : 0;
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}
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//---------------------------------------------------------
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// activeCR
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//---------------------------------------------------------
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ChordRest* Selection::activeCR() const
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{
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if ((_state != SEL_RANGE) || !_activeSegment)
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return 0;
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if (_activeSegment == _startSegment)
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return firstChordRest(_activeTrack);
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else
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return lastChordRest(_activeTrack);
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}
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//---------------------------------------------------------
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// firstChordRest
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//---------------------------------------------------------
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ChordRest* Selection::firstChordRest(int track) const
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{
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if (_el.size() == 1) {
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Element* el = _el[0];
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if (el->type() == Element::NOTE)
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return static_cast<ChordRest*>(el->parent());
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else if (el->type() == Element::REST)
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return static_cast<ChordRest*>(el);
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return 0;
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}
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ChordRest* cr = 0;
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foreach (Element* el, _el) {
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if (el->type() == Element::NOTE)
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el = el->parent();
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if (el->isChordRest()) {
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if (track != -1 && el->track() != track)
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continue;
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if (cr) {
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if (static_cast<ChordRest*>(el)->tick() < cr->tick())
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cr = static_cast<ChordRest*>(el);
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}
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else
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cr = static_cast<ChordRest*>(el);
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}
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}
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return cr;
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}
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//---------------------------------------------------------
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// lastChordRest
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//---------------------------------------------------------
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ChordRest* Selection::lastChordRest(int track) const
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{
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if (_el.size() == 1) {
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Element* el = _el[0];
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if (el && el->type() == Element::NOTE)
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return static_cast<ChordRest*>(el->parent());
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else if (el->type() == Element::CHORD || el->type() == Element::REST)
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return static_cast<ChordRest*>(el);
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return 0;
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}
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ChordRest* cr = 0;
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for (auto i = _el.begin(); i != _el.end(); ++i) {
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Element* el = *i;
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if (el->type() == Element::NOTE)
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el = ((Note*)el)->chord();
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if (el->isChordRest() && static_cast<ChordRest*>(el)->segment()->segmentType() == Segment::SegChordRest) {
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if (track != -1 && el->track() != track)
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continue;
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if (cr) {
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if (((ChordRest*)el)->tick() >= cr->tick())
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cr = (ChordRest*)el;
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}
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else
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cr = (ChordRest*)el;
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}
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}
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return cr;
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}
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//---------------------------------------------------------
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// findMeasure
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//---------------------------------------------------------
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Measure* Selection::findMeasure() const
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{
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Measure *m = 0;
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if (_el.size() > 0) {
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Element* el = _el[0];
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m = static_cast<Measure*>(el->findMeasure());
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}
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return m;
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}
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//---------------------------------------------------------
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// deselectAll
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//---------------------------------------------------------
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void Selection::deselectAll()
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{
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if (_state == SEL_RANGE)
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_score->setUpdateAll();
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clear();
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updateState();
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}
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//---------------------------------------------------------
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// clear
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//---------------------------------------------------------
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void Selection::clear()
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{
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foreach(Element* e, _el) {
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_score->addRefresh(e->canvasBoundingRect());
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e->setSelected(false);
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_score->addRefresh(e->canvasBoundingRect());
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}
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_el.clear();
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_startSegment = 0;
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_endSegment = 0;
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_activeSegment = 0;
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_staffStart = 0;
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_staffEnd = 0;
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_activeTrack = 0;
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setState(SEL_NONE);
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}
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//---------------------------------------------------------
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// remove
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//---------------------------------------------------------
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void Selection::remove(Element* el)
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{
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_el.removeOne(el);
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el->setSelected(false);
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updateState();
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}
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//---------------------------------------------------------
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// add
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//---------------------------------------------------------
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void Selection::add(Element* el)
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{
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_el.append(el);
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update();
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}
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//---------------------------------------------------------
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// updateSelectedElements
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//---------------------------------------------------------
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void Selection::updateSelectedElements()
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{
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foreach(Element* e, _el)
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e->setSelected(false);
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_el.clear();
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// assert:
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int staves = _score->nstaves();
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if (_staffStart < 0 || _staffStart >= staves || _staffEnd < 0 || _staffEnd > staves
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|| _staffStart >= _staffEnd) {
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qDebug("updateSelectedElements: bad staff selection %d - %d, staves %d\n", _staffStart, _staffEnd, staves);
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_staffStart = 0;
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_staffEnd = 0;
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}
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int startTrack = _staffStart * VOICES;
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int endTrack = _staffEnd * VOICES;
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for (int st = startTrack; st < endTrack; ++st) {
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for (Segment* s = _startSegment; s && (s != _endSegment); s = s->next1()) {
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if (s->segmentType() == Segment::SegEndBarLine) // do not select end bar line
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continue;
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Element* e = s->element(st);
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if (!e)
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continue;
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if (e->type() == Element::CHORD) {
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Chord* chord = static_cast<Chord*>(e);
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foreach(Note* note, chord->notes())
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_el.append(note);
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}
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else {
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_el.append(e);
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}
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foreach(Element* e, s->annotations()) {
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if (e->track() < startTrack || e->track() >= endTrack)
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continue;
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_el.append(e);
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}
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#if 0 // TODO-S
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for(Spanner* sp = s->spannerFor(); sp; sp = sp->next()) {
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if (sp->track() < startTrack || sp->track() >= endTrack)
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continue;
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if (sp->endElement()->type() == Element::SEGMENT) {
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Segment* s2 = static_cast<Segment*>(sp->endElement());
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if (_endSegment && (s2->tick() < _endSegment->tick()))
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_el.append(sp);
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}
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else {
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qDebug("1spanner element type %s\n", sp->endElement()->name());
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}
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}
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#endif
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}
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// for each measure in the selection, check if it contains spanners within our selection
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Measure* sm = _startSegment->measure();
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Measure* em = _endSegment ? _endSegment->measure()->nextMeasure() : 0;
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// int endTick = _endSegment ? _endSegment->tick() : score()->lastMeasure()->endTick();
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for (Measure* m = sm; m && m != em; m = m->nextMeasure()) {
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#if 0 // TODO-S
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for(Spanner* sp = m->spannerFor(); sp; sp = sp->next()) {
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// ignore spanners belonging to other tracks
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if (sp->track() < startTrack || sp->track() >= endTrack)
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continue;
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// if spanner ends between _startSegment and _endSegment, select it
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if (sp->endElement()->type() == Element::SEGMENT) {
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Segment* s2 = static_cast<Segment*>(sp->endElement());
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if (s2->tick() >= _startSegment->tick() && s2->tick() < endTick)
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_el.append(sp);
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}
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else if (sp->endElement()->type() == Element::MEASURE) {
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Measure* s2 = static_cast<Measure*>(sp->endElement());
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if (s2->tick() >= _startSegment->tick() && s2->tick() < endTick)
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_el.append(sp);
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}
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else {
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qDebug("2spanner element type %s\n", sp->endElement()->name());
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}
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}
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#endif
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}
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}
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update();
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}
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//---------------------------------------------------------
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// setRange
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//---------------------------------------------------------
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void Selection::setRange(Segment* a, Segment* b, int c, int d)
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{
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Q_ASSERT(d > c && c >= 0 && d >= 0 && d <= _score->nstaves());
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_startSegment = a;
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_endSegment = b;
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_activeSegment = b;
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_staffStart = c;
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_staffEnd = d;
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setState(SEL_RANGE);
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}
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//---------------------------------------------------------
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// update
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/// Set select flag for all Elements in select list.
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//---------------------------------------------------------
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void Selection::update()
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{
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foreach (Element* e, _el)
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e->setSelected(true);
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updateState();
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}
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//---------------------------------------------------------
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// dump
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//---------------------------------------------------------
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void Selection::dump()
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{
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qDebug("Selection dump: ");
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switch(_state) {
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case SEL_NONE: qDebug("NONE\n"); return;
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case SEL_RANGE: qDebug("RANGE\n"); break;
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case SEL_LIST: qDebug("LIST\n"); break;
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}
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foreach(const Element* e, _el)
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qDebug(" %p %s\n", e, e->name());
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}
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//---------------------------------------------------------
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// updateState
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/// update selection and input state
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//---------------------------------------------------------
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void Selection::updateState()
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{
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int n = _el.size();
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Element* e = element();
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if (n == 0)
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setState(SEL_NONE);
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else if (_state == SEL_NONE)
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setState(SEL_LIST);
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if (!_score->noteEntryMode())
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_score->setInputState(e);
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}
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//---------------------------------------------------------
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// setState
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//---------------------------------------------------------
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void Selection::setState(SelState s)
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{
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// if (_state != s) {
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_state = s;
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_score->setSelectionChanged(true);
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// }
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}
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//---------------------------------------------------------
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// mimeType
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//---------------------------------------------------------
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QString Selection::mimeType() const
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{
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switch (_state) {
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default:
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case SEL_NONE:
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return QString();
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case SEL_LIST:
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return isSingle() ? mimeSymbolFormat : mimeSymbolListFormat;
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case SEL_RANGE:
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return mimeStaffListFormat;
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}
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}
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//---------------------------------------------------------
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// mimeData
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//---------------------------------------------------------
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QByteArray Selection::mimeData() const
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{
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QByteArray a;
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switch (_state) {
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case SEL_LIST:
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if (isSingle()) {
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Element* e = element();
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if (e->type() == Element::TEXTLINE_SEGMENT)
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e = static_cast<TextLineSegment*>(e)->textLine();
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a = e->mimeData(QPointF());
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}
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break;
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case SEL_NONE:
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break;
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case SEL_RANGE:
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a = staffMimeData();
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break;
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}
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return a;
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}
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//---------------------------------------------------------
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// staffMimeData
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//---------------------------------------------------------
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QByteArray Selection::staffMimeData() const
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{
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QBuffer buffer;
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buffer.open(QIODevice::WriteOnly);
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Xml xml(&buffer);
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xml.header();
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xml.clipboardmode = true;
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int ticks = tickEnd() - tickStart();
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int staves = staffEnd() - staffStart();
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xml.stag(QString("StaffList version=\"" MSC_VERSION "\" tick=\"%1\" len=\"%2\" staff=\"%3\" staves=\"%4\"").arg(tickStart()).arg(ticks).arg(staffStart()).arg(staves));
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Segment* seg1 = _startSegment;
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Segment* seg2 = _endSegment;
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for (int staffIdx = staffStart(); staffIdx < staffEnd(); ++staffIdx) {
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xml.stag(QString("Staff id=\"%1\"").arg(staffIdx));
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int startTrack = staffIdx * VOICES;
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int endTrack = startTrack + VOICES;
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score()->writeSegments(xml, 0, startTrack, endTrack, seg1, seg2, false, true, true);
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xml.etag();
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}
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xml.etag();
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buffer.close();
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return buffer.buffer();
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}
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//---------------------------------------------------------
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// noteList
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//---------------------------------------------------------
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QList<Note*> Selection::noteList(int selTrack) const
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{
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QList<Note*>nl;
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if (_state == SEL_LIST) {
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foreach(Element* e, _el) {
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if (e->type() == Element::NOTE)
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nl.append(static_cast<Note*>(e));
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}
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}
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else if (_state == SEL_RANGE) {
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for (int staffIdx = staffStart(); staffIdx < staffEnd(); ++staffIdx) {
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int startTrack = staffIdx * VOICES;
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int endTrack = startTrack + VOICES;
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for (Segment* seg = _startSegment; seg && seg != _endSegment; seg = seg->next1()) {
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if (!(seg->segmentType() & (Segment::SegChordRest)))
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continue;
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for (int track = startTrack; track < endTrack; ++track) {
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Element* e = seg->element(track);
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if (e == 0 || e->type() != Element::CHORD
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|| (selTrack != -1 && selTrack != track))
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continue;
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Chord* c = static_cast<Chord*>(e);
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nl.append(c->notes());
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}
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}
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}
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}
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return nl;
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}
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//---------------------------------------------------------
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// checkStart
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// return false if element is NOT a tuplet or is start of a tuplet
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// return true if element is part of a tuplet, but not the start
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//---------------------------------------------------------
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static bool checkStart(Element* e)
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{
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if (e == 0 || !e->isChordRest())
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return false;
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ChordRest* cr = static_cast<ChordRest*>(e);
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if (!cr->tuplet())
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return false;
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Tuplet* tuplet = cr->tuplet();
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while (tuplet) {
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if (tuplet->elements().front() == e)
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return false;
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tuplet = tuplet->tuplet();
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}
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return true;
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}
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//---------------------------------------------------------
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// checkEnd
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// return false if element is NOT a tuplet or is end of a tuplet
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// return true if element is part of a tuplet, but not the end
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//---------------------------------------------------------
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static bool checkEnd(Element* e)
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{
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if (e == 0 || !e->isChordRest())
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return false;
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ChordRest* cr = static_cast<ChordRest*>(e);
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if (!cr->tuplet())
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return false;
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Tuplet* tuplet = cr->tuplet();
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while (tuplet) {
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if (tuplet->elements().back() == e)
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return false;
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tuplet = tuplet->tuplet();
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}
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return true;
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}
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//---------------------------------------------------------
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// canCopy
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// return false if range selection intersects a tuplet
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//---------------------------------------------------------
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bool Selection::canCopy() const
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{
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if (_state != SEL_RANGE)
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return true;
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for (int staffIdx = _staffStart; staffIdx != _staffEnd; ++staffIdx)
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for (int voice = 0; voice < VOICES; ++voice) {
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int track = staffIdx * VOICES + voice;
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if (checkStart(_startSegment->element(track)))
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return false;
|
|
|
|
if (! _endSegment)
|
|
continue;
|
|
|
|
// find last segment in the selection.
|
|
// Note that _endSegment is the first segment after the selection
|
|
Segment *endSegmentSelection = _startSegment;
|
|
while (endSegmentSelection->nextCR(track) &&
|
|
(endSegmentSelection->nextCR(track)->tick() < _endSegment->tick()))
|
|
endSegmentSelection = endSegmentSelection->nextCR(track);
|
|
|
|
if (checkEnd(endSegmentSelection->element(track)))
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// measureRange
|
|
// return false if no measure range selected
|
|
//---------------------------------------------------------
|
|
|
|
bool Selection::measureRange(Measure** m1, Measure** m2) const
|
|
{
|
|
if (state() != SEL_RANGE)
|
|
return false;
|
|
*m1 = startSegment()->measure();
|
|
*m2 = endSegment()->measure();
|
|
if (m1 == m2)
|
|
return true;
|
|
if (*m2 && (*m2)->tick() == endSegment()->tick())
|
|
*m2 = (*m2)->prevMeasure();
|
|
return true;
|
|
}
|
|
|
|
|
|
}
|
|
|