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Diffstat (limited to 'src/commands/notation/AddFingeringMarkCommand.cpp')
-rw-r--r-- | src/commands/notation/AddFingeringMarkCommand.cpp | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/src/commands/notation/AddFingeringMarkCommand.cpp b/src/commands/notation/AddFingeringMarkCommand.cpp new file mode 100644 index 0000000..0c2e895 --- /dev/null +++ b/src/commands/notation/AddFingeringMarkCommand.cpp @@ -0,0 +1,119 @@ +/* -*- 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 "AddFingeringMarkCommand.h" + +#include <klocale.h> +#include "base/NotationTypes.h" +#include "base/NotationQuantizer.h" +#include "base/Segment.h" +#include "base/Selection.h" +#include "base/Sets.h" +#include "document/BasicSelectionCommand.h" +#include <qstring.h> + + +namespace Rosegarden +{ + +QString +AddFingeringMarkCommand::getGlobalName(QString fingering) +{ + if (fingering == "") + return i18n("Add Other &Fingering..."); + else if (fingering == "0") + return i18n("Add Fingering &0 (Thumb)"); + else + return i18n("Add Fingering &%1").arg(fingering); +} + +void +AddFingeringMarkCommand::modifySegment() +{ + EventSelection::eventcontainer::iterator i; + Segment &segment(m_selection->getSegment()); + + std::set + <Event *> done; + + for (i = m_selection->getSegmentEvents().begin(); + i != m_selection->getSegmentEvents().end(); ++i) { + + if (done.find(*i) != done.end()) + continue; + if (!(*i)->isa(Note::EventType)) + continue; + + // We should do this on a chord-by-chord basis, considering + // only those notes in a chord that are also in the selection. + // Apply this fingering to the first note in the chord that + // does not already have a fingering. If they all already do, + // then clear them all and start again. + + Chord chord(segment, segment.findSingle(*i), + segment.getComposition()->getNotationQuantizer()); + + int attempt = 0; + + while (attempt < 2) { + + int count = 0; + + for (Chord::iterator ci = chord.begin(); + ci != chord.end(); ++ci) { + + if (!m_selection->contains(**ci)) + continue; + + if (attempt < 2 && + Marks::getFingeringMark(***ci) == + Marks::NoMark) { + Marks::addMark + (***ci, Marks::getFingeringMark(m_text), true); + attempt = 2; + } + + done.insert(**ci); + ++count; + } + + if (attempt < 2) { + if (count == 0) + break; + for (Chord::iterator ci = chord.begin(); + ci != chord.end(); ++ci) { + if (m_selection->contains(**ci)) { + Marks::removeMark + (***ci, + Marks::getFingeringMark(***ci)); + } + } + ++attempt; + } + } + } +} + +} |