diff options
Diffstat (limited to 'muse_qt4_evolution/muse/songpart.cpp')
| -rw-r--r-- | muse_qt4_evolution/muse/songpart.cpp | 371 |
1 files changed, 371 insertions, 0 deletions
diff --git a/muse_qt4_evolution/muse/songpart.cpp b/muse_qt4_evolution/muse/songpart.cpp new file mode 100644 index 00000000..72faf7f8 --- /dev/null +++ b/muse_qt4_evolution/muse/songpart.cpp @@ -0,0 +1,371 @@ +//============================================================================= +// MusE +// Linux Music Editor +// $Id:$ +// +// Copyright (C) 2002-2006 by Werner Schweer and others +// +// This program is free software; you can redistribute it and/or modify +// it under the terms of the GNU General Public License version 2. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program; if not, write to the Free Software +// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +//============================================================================= + +#include "song.h" +#include "part.h" +#include "audio.h" + +//--------------------------------------------------------- +// cmdAddPart +// GUI context + startUndo/endUndo +//--------------------------------------------------------- + +void Song::cmdAddPart(Part* part) + { + Track* track = part->track(); + // + // create default name: + // + for (int i = 1;;++i) { + PartList* pl = track->parts(); + bool found = false; + QString name = QString("Part-%1").arg(i); + for (iPart ip = pl->begin(); ip != pl->end(); ++ip) { + if (name == ip->second->name()) { + found = true; + break; + } + } + if (!found) { + part->setName(name); + break; + } + } + startUndo(); + addPart(part); + endUndo(0); + track->partListChanged(); + } + +//--------------------------------------------------------- +// addPart +// GUI context +//--------------------------------------------------------- + +void Song::addPart(Part* part) + { + AudioMsg msg; + msg.id = SEQM_ADD_PART; + msg.p1 = part; + audio->sendMessage(&msg, false); + undoOp(UndoOp::AddPart, part); + updateFlags |= SC_PART_INSERTED; + if (len() < part->endTick()) + setLen(part->endTick()); + } + +//--------------------------------------------------------- +// cmdRemovePart +//--------------------------------------------------------- + +void Song::cmdRemovePart(Part* part) + { + startUndo(); + removePart(part); + endUndo(0); + } + +//--------------------------------------------------------- +// cmdRemoveParts +// remove selected parts +//--------------------------------------------------------- + +void Song::cmdRemoveParts() + { + TrackList* tl = song->tracks(); + PartList pl; + + for (iTrack it = tl->begin(); it != tl->end(); ++it) { + PartList* pl2 = (*it)->parts(); + for (iPart ip = pl2->begin(); ip != pl2->end(); ++ip) { + if (ip->second->selected()) + pl.add(ip->second); + } + } + startUndo(); + for (iPart ip = pl.begin(); ip != pl.end(); ++ip) + removePart(ip->second); + endUndo(0); + } + +//--------------------------------------------------------- +// removePart +//--------------------------------------------------------- + +void Song::removePart(Part* part) + { + AudioMsg msg; + msg.id = SEQM_REMOVE_PART; + msg.p1 = part; + audio->sendMessage(&msg, false); + undoOp(UndoOp::DeletePart, part); + updateFlags |= SC_PART_REMOVED; + part->deref(); + part->track()->partListChanged(); + } + +//--------------------------------------------------------- +// cmdChangePart +// realtime context +//--------------------------------------------------------- + +void Song::cmdChangePart(Part* oldPart, Part* newPart) + { + startUndo(); + changePart(oldPart, newPart); + endUndo(0); + newPart->track()->partListChanged(); + } + +//--------------------------------------------------------- +// changePart +//--------------------------------------------------------- + +void Song::changePart(Part* oldPart, Part* newPart) + { + AudioMsg msg; + msg.id = SEQM_CHANGE_PART; + msg.p1 = oldPart; + msg.p2 = newPart; + audio->sendMessage(&msg, false); + undoOp(UndoOp::ModifyPart, oldPart, newPart); + updateFlags = SC_PART_MODIFIED; + if (len() < newPart->endTick()) + setLen(newPart->endTick()); + } + +//--------------------------------------------------------- +// cmdChangePart +// extend/shrink part in front or at end +//--------------------------------------------------------- + +void Song::cmdChangePart(Part* oPart, unsigned pos, unsigned len) + { + startUndo(); + // + // move events so they stay at same position in song + // + int delta = oPart->tick() - pos; + Part* nPart = new Part(*oPart); + nPart->clone(new EventList); + + const EventList* s = oPart->events(); + for (ciEvent ie = s->begin(); ie != s->end(); ++ie) { + int tick = ie->first + delta; + if (tick >= 0 && tick < int(len)) { + Event ev = ie->second.clone(); + ev.move(delta); + nPart->addEvent(ev, unsigned(tick)); + } + } + if (oPart->fillLen() > 0 && len < (unsigned)oPart->fillLen()) + oPart->setFillLen(len); + if (oPart->lenTick() < len && oPart->fillLen() > 0) { + unsigned loop = oPart->fillLen(); + unsigned fillLen = len - oPart->lenTick(); + for (unsigned i = 0; i < fillLen / loop; ++i) { + int start = oPart->lenTick() + loop * i; + for (ciEvent ie = s->begin(); ie != s->end(); ++ie) { + if (ie->first >= loop) + break; + Event ev = ie->second.clone(); + ev.move(start); + nPart->addEvent(ev, ie->first + start); + } + } + } + nPart->setLenTick(len); + nPart->setTick(pos); + changePart(oPart, nPart); + endUndo(0); + oPart->track()->partListChanged(); + } + +//--------------------------------------------------------- +// cmdMovePart +//--------------------------------------------------------- + +void Song::cmdMovePart(Part* oPart, unsigned pos, Track* track) + { + Track* oTrack = oPart->track(); + Part* nPart = new Part(*oPart); + nPart->setTrack(track); + nPart->setTick(pos); + startUndo(); + if (oPart->track() != track) { + removePart(oPart); + addPart(nPart); + } + else { + changePart(oPart, nPart); + } + endUndo(0); + oTrack->partListChanged(); + } + +//--------------------------------------------------------- +// cmdLinkPart +//--------------------------------------------------------- + +void Song::cmdLinkPart(Part* sPart, unsigned pos, Track* track) + { + Part* dPart = track->newPart(sPart, true); + dPart->setTick(pos); + cmdAddPart(dPart); + sPart->track()->partListChanged(); + dPart->track()->partListChanged(); + } + +//--------------------------------------------------------- +// cmdCopyPart +//--------------------------------------------------------- + +void Song::cmdCopyPart(Part* sPart, unsigned pos, Track* track) + { + bool clone = sPart->isClone(); + Part* dPart = track->newPart(sPart, clone); + dPart->setTick(pos); + if (!clone) { + // + // Copy Events + // + EventList* se = sPart->events(); + EventList* de = dPart->events(); + for (iEvent i = se->begin(); i != se->end(); ++i) { + Event oldEvent = i->second; + Event ev = oldEvent.clone(); + de->add(ev); + } + } + cmdAddPart(dPart); + sPart->track()->partListChanged(); + dPart->track()->partListChanged(); + } + +//--------------------------------------------------------- +// cmdCreateLRPart +//--------------------------------------------------------- + +void Song::cmdCreateLRPart(Track* track) + { + Part* part = track->newPart(); + if (part) { + part->setTick(pos[1].tick()); + part->setLenTick(pos[2].tick()-pos[1].tick()); + part->setSelected(true); + cmdAddPart(part); + } + } + +//--------------------------------------------------------- +// selectPart +//--------------------------------------------------------- + +void Song::selectPart(Part* part, bool add) + { + if (add) { + part->setSelected(!part->selected()); + part->track()->partListChanged(); + return; + } + for (iTrack it = _tracks.begin(); it != _tracks.end(); ++it) { + PartList* pl = (*it)->parts(); + bool changed = false; + for (iPart ip = pl->begin(); ip != pl->end(); ++ip) { + bool f = part == ip->second; + if (ip->second->selected() != f) { + ip->second->setSelected(f); + changed = true; + } + } + if (changed) + (*it)->partListChanged(); + } + } + +//--------------------------------------------------------- +// cmdSplitPart +//--------------------------------------------------------- + +void Song::cmdSplitPart(Part* part, const Pos& pos) + { + int tick = pos.tick(); + int l1 = tick - part->tick(); + int l2 = part->lenTick() - l1; + if (l1 <= 0 || l2 <= 0) + return; + Part* p1; + Part* p2; + part->track()->splitPart(part, tick, p1, p2); + + startUndo(); + changePart(part, p1); + addPart(p2); + endUndo(0); + part->track()->partListChanged(); + } + +//--------------------------------------------------------- +// cmdGluePart +//--------------------------------------------------------- + +void Song::cmdGluePart(Part* oPart) + { + Track* track = oPart->track(); + PartList* pl = track->parts(); + Part* nextPart = 0; + + for (iPart ip = pl->begin(); ip != pl->end(); ++ip) { + if (ip->second == oPart) { + ++ip; + if (ip == pl->end()) + return; + nextPart = ip->second; + break; + } + } + + Part* nPart = track->newPart(oPart); + nPart->setLenTick(nextPart->tick() + nextPart->lenTick() - oPart->tick()); + + // populate nPart with Events from oPart and nextPart + + EventList* sl1 = oPart->events(); + EventList* dl = nPart->events(); + + for (iEvent ie = sl1->begin(); ie != sl1->end(); ++ie) + dl->add(ie->second); + + EventList* sl2 = nextPart->events(); + int tickOffset = nextPart->tick() - oPart->tick(); + + for (iEvent ie = sl2->begin(); ie != sl2->end(); ++ie) { + Event event = ie->second.clone(); + event.move(tickOffset); + dl->add(event); + } + startUndo(); + removePart(nextPart); + changePart(oPart, nPart); + endUndo(0); + track->partListChanged(); + } + + |