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Diffstat (limited to 'src/commands/segment/PasteConductorDataCommand.cpp')
-rw-r--r-- | src/commands/segment/PasteConductorDataCommand.cpp | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/src/commands/segment/PasteConductorDataCommand.cpp b/src/commands/segment/PasteConductorDataCommand.cpp new file mode 100644 index 0000000..6db082f --- /dev/null +++ b/src/commands/segment/PasteConductorDataCommand.cpp @@ -0,0 +1,128 @@ +/* -*- 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 "PasteConductorDataCommand.h" + +#include <klocale.h> +#include "base/Clipboard.h" +#include "base/Composition.h" +#include "base/NotationTypes.h" +#include "base/Selection.h" + + +namespace Rosegarden +{ + +PasteConductorDataCommand::PasteConductorDataCommand(Composition *composition, + Clipboard *clipboard, + timeT t) : + KNamedCommand(i18n("Paste Tempos and Time Signatures")), + m_composition(composition), + m_clipboard(new Clipboard(*clipboard)), + m_t0(t) +{} + +PasteConductorDataCommand::~PasteConductorDataCommand() +{ + delete m_clipboard; +} + +void +PasteConductorDataCommand::execute() +{ + //!!! current implementation of execute and unexecute require + // that the target area of the composition be empty of tempo and + // timesig data before the command is executed + + if (m_clipboard->hasTimeSignatureSelection()) { + + for (TimeSignatureSelection::timesigcontainer::const_iterator i = + m_clipboard->getTimeSignatureSelection().begin(); + i != m_clipboard->getTimeSignatureSelection().end(); ++i) { + + timeT t = i->first; + t = t - m_clipboard->getBaseTime() + m_t0; + TimeSignature sig = i->second; + + if (i == m_clipboard->getTimeSignatureSelection().begin() && + m_composition->getTimeSignatureAt(t) == sig) + continue; + + m_composition->addTimeSignature(t, sig); + } + } + + if (m_clipboard->hasTempoSelection()) { + + for (TempoSelection::tempocontainer::const_iterator i = + m_clipboard->getTempoSelection().begin(); + i != m_clipboard->getTempoSelection().end(); ++i) { + + timeT t = i->first; + t = t - m_clipboard->getBaseTime() + m_t0; + tempoT tempo = i->second.first; + tempoT targetTempo = i->second.second; + + if (i == m_clipboard->getTempoSelection().begin() && + targetTempo < 0 && + m_composition->getTempoAtTime(t) == tempo) + continue; + + m_composition->addTempoAtTime(t, tempo, targetTempo); + } + } +} + +void +PasteConductorDataCommand::unexecute() +{ + //!!! see note above + + for (TimeSignatureSelection::timesigcontainer::const_iterator i = + m_clipboard->getTimeSignatureSelection().begin(); + i != m_clipboard->getTimeSignatureSelection().end(); ++i) { + + timeT t = i->first; + int n = m_composition->getTimeSignatureNumberAt(t); + + if (n >= 0 && m_composition->getTimeSignatureChange(n).first == t) { + m_composition->removeTimeSignature(n); + } + } + + for (TempoSelection::tempocontainer::const_iterator i = + m_clipboard->getTempoSelection().begin(); + i != m_clipboard->getTempoSelection().end(); ++i) { + + timeT t = i->first; + int n = m_composition->getTempoChangeNumberAt(t); + + if (n >= 0 && m_composition->getTempoChange(n).first == t) { + m_composition->removeTempoChange(n); + } + } +} + +} |