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-rw-r--r--src/base/Selection.cpp318
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diff --git a/src/base/Selection.cpp b/src/base/Selection.cpp
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+// -*- c-basic-offset: 4 -*-
+
+/*
+ Rosegarden
+ A 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 right of the authors to claim authorship of this work
+ has been asserted.
+
+ 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 "Selection.h"
+#include "Segment.h"
+#include "SegmentNotationHelper.h"
+#include "BaseProperties.h"
+
+namespace Rosegarden {
+
+EventSelection::EventSelection(Segment& t) :
+ m_originalSegment(t),
+ m_beginTime(0),
+ m_endTime(0),
+ m_haveRealStartTime(false)
+{
+ t.addObserver(this);
+}
+
+EventSelection::EventSelection(Segment& t, timeT beginTime, timeT endTime, bool overlap) :
+ m_originalSegment(t),
+ m_beginTime(0),
+ m_endTime(0),
+ m_haveRealStartTime(false)
+{
+ t.addObserver(this);
+
+ Segment::iterator i = t.findTime(beginTime);
+ Segment::iterator j = t.findTime(endTime);
+
+ if (i != t.end()) {
+ m_beginTime = (*i)->getAbsoluteTime();
+ while (i != j) {
+ m_endTime = (*i)->getAbsoluteTime() + (*i)->getDuration();
+ m_segmentEvents.insert(*i);
+ ++i;
+ }
+ m_haveRealStartTime = true;
+ }
+
+ // Find events overlapping the beginning
+ //
+ if (overlap) {
+ i = t.findTime(beginTime);
+
+ while (i != t.begin() && i != t.end() && i != j) {
+
+ if ((*i)->getAbsoluteTime() + (*i)->getDuration() > beginTime)
+ {
+ m_segmentEvents.insert(*i); // duplicates are filtered automatically
+ m_beginTime = (*i)->getAbsoluteTime();
+ }
+ else
+ break;
+
+ --i;
+ }
+
+ }
+
+}
+
+EventSelection::EventSelection(const EventSelection &sel) :
+ SegmentObserver(),
+ m_originalSegment(sel.m_originalSegment),
+ m_segmentEvents(sel.m_segmentEvents),
+ m_beginTime(sel.m_beginTime),
+ m_endTime(sel.m_endTime),
+ m_haveRealStartTime(sel.m_haveRealStartTime)
+{
+ m_originalSegment.addObserver(this);
+}
+
+EventSelection::~EventSelection()
+{
+ m_originalSegment.removeObserver(this);
+}
+
+void EventSelection::addEvent(Event *e)
+{
+ timeT eventDuration = e->getDuration();
+ if (eventDuration == 0) eventDuration = 1;
+
+ if (contains(e)) return;
+
+ if (e->getAbsoluteTime() < m_beginTime || !m_haveRealStartTime) {
+ m_beginTime = e->getAbsoluteTime();
+ m_haveRealStartTime = true;
+ }
+ if (e->getAbsoluteTime() + eventDuration > m_endTime) {
+ m_endTime = e->getAbsoluteTime() + eventDuration;
+ }
+ m_segmentEvents.insert(e);
+}
+
+void EventSelection::addFromSelection(EventSelection *sel)
+{
+ for (eventcontainer::iterator i = sel->getSegmentEvents().begin();
+ i != sel->getSegmentEvents().end(); ++i) {
+ if (!contains(*i)) addEvent(*i);
+ }
+}
+
+void EventSelection::removeEvent(Event *e)
+{
+ std::pair<eventcontainer::iterator, eventcontainer::iterator>
+ interval = m_segmentEvents.equal_range(e);
+
+ for (eventcontainer::iterator it = interval.first;
+ it != interval.second; it++)
+ {
+ if (*it == e) {
+ m_segmentEvents.erase(it);
+ return;
+ }
+ }
+}
+
+bool EventSelection::contains(Event *e) const
+{
+ std::pair<eventcontainer::const_iterator, eventcontainer::const_iterator>
+ interval = m_segmentEvents.equal_range(e);
+
+ for (eventcontainer::const_iterator it = interval.first;
+ it != interval.second; ++it)
+ {
+ if (*it == e) return true;
+ }
+
+ return false;
+}
+
+bool EventSelection::contains(const std::string &type) const
+{
+ for (eventcontainer::const_iterator i = m_segmentEvents.begin();
+ i != m_segmentEvents.end(); ++i) {
+ if ((*i)->isa(type)) return true;
+ }
+ return false;
+}
+
+timeT EventSelection::getTotalDuration() const
+{
+ return getEndTime() - getStartTime();
+}
+
+EventSelection::RangeList
+EventSelection::getRanges() const
+{
+ RangeList ranges;
+
+ Segment::iterator i = m_originalSegment.findTime(getStartTime());
+ Segment::iterator j = i;
+ Segment::iterator k = m_originalSegment.findTime(getEndTime());
+
+ while (j != k) {
+
+ for (j = i; j != k && contains(*j); ++j);
+
+ if (j != i) {
+ ranges.push_back(RangeList::value_type(i, j));
+ }
+
+ for (i = j; i != k && !contains(*i); ++i);
+ j = i;
+ }
+
+ return ranges;
+}
+
+EventSelection::RangeTimeList
+EventSelection::getRangeTimes() const
+{
+ RangeList ranges(getRanges());
+ RangeTimeList rangeTimes;
+
+ for (RangeList::iterator i = ranges.begin(); i != ranges.end(); ++i) {
+ timeT startTime = m_originalSegment.getEndTime();
+ timeT endTime = m_originalSegment.getEndTime();
+ if (i->first != m_originalSegment.end()) {
+ startTime = (*i->first)->getAbsoluteTime();
+ }
+ if (i->second != m_originalSegment.end()) {
+ endTime = (*i->second)->getAbsoluteTime();
+ }
+ rangeTimes.push_back(RangeTimeList::value_type(startTime, endTime));
+ }
+
+ return rangeTimes;
+}
+
+void
+EventSelection::eventRemoved(const Segment *s, Event *e)
+{
+ if (s == &m_originalSegment /*&& contains(e)*/) {
+ removeEvent(e);
+ }
+}
+
+void
+EventSelection::segmentDeleted(const Segment *)
+{
+ /*
+ std::cerr << "WARNING: EventSelection notified of segment deletion: this is probably a bug "
+ << "(selection should have been deleted before segment)" << std::endl;
+ */
+}
+
+bool SegmentSelection::hasNonAudioSegment() const
+{
+ for (const_iterator i = begin(); i != end(); ++i) {
+ if ((*i)->getType() == Segment::Internal)
+ return true;
+ }
+ return false;
+}
+
+
+TimeSignatureSelection::TimeSignatureSelection() { }
+
+TimeSignatureSelection::TimeSignatureSelection(Composition &composition,
+ timeT beginTime,
+ timeT endTime,
+ bool includeOpeningTimeSig)
+{
+ int n = composition.getTimeSignatureNumberAt(endTime);
+
+ for (int i = composition.getTimeSignatureNumberAt(beginTime);
+ i <= n;
+ ++i) {
+
+ if (i < 0) continue;
+
+ std::pair<timeT, TimeSignature> sig =
+ composition.getTimeSignatureChange(i);
+
+ if (sig.first < endTime) {
+ if (sig.first < beginTime) {
+ if (includeOpeningTimeSig) {
+ sig.first = beginTime;
+ } else {
+ continue;
+ }
+ }
+ addTimeSignature(sig.first, sig.second);
+ }
+ }
+}
+
+TimeSignatureSelection::~TimeSignatureSelection() { }
+
+void
+TimeSignatureSelection::addTimeSignature(timeT t, TimeSignature timeSig)
+{
+ m_timeSignatures.insert(timesigcontainer::value_type(t, timeSig));
+}
+
+TempoSelection::TempoSelection() { }
+
+TempoSelection::TempoSelection(Composition &composition,
+ timeT beginTime,
+ timeT endTime,
+ bool includeOpeningTempo)
+{
+ int n = composition.getTempoChangeNumberAt(endTime);
+
+ for (int i = composition.getTempoChangeNumberAt(beginTime);
+ i <= n;
+ ++i) {
+
+ if (i < 0) continue;
+
+ std::pair<timeT, tempoT> change = composition.getTempoChange(i);
+
+ if (change.first < endTime) {
+ if (change.first < beginTime) {
+ if (includeOpeningTempo) {
+ change.first = beginTime;
+ } else {
+ continue;
+ }
+ }
+ std::pair<bool, tempoT> ramping =
+ composition.getTempoRamping(i, false);
+ addTempo(change.first, change.second,
+ ramping.first ? ramping.second : -1);
+ }
+ }
+}
+
+TempoSelection::~TempoSelection() { }
+
+void
+TempoSelection::addTempo(timeT t, tempoT tempo, tempoT targetTempo)
+{
+ m_tempos.insert(tempocontainer::value_type
+ (t, tempochange(tempo, targetTempo)));
+}
+
+}
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