Added old abandoned KDE3 version of the RoseGarden MIDI tool

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/rosegarden@1097595 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 137 insertions, 0 deletions

diff --git a/src/commands/notation/ClefInsertionCommand.cpp b/src/commands/notation/ClefInsertionCommand.cpp
new file mode 100644
index 0000000..f21c1b0
--- /dev/null
+++ b/src/commands/notation/ClefInsertionCommand.cpp
@@ -0,0 +1,137 @@
+/* -*- 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 "ClefInsertionCommand.h"
+
+#include <klocale.h>
+#include "misc/Strings.h"
+#include "base/Event.h"
+#include "base/NotationTypes.h"
+#include "base/Segment.h"
+#include "base/SegmentNotationHelper.h"
+#include "base/BaseProperties.h"
+#include "document/BasicCommand.h"
+#include <qstring.h>
+
+
+namespace Rosegarden
+{
+
+using namespace BaseProperties;
+
+ClefInsertionCommand::ClefInsertionCommand(Segment &segment, timeT time,
+        Clef clef,
+        bool shouldChangeOctave,
+        bool shouldTranspose) :
+        BasicCommand(getGlobalName(&clef), segment, time,
+                     ((shouldChangeOctave || shouldTranspose) ?
+                      segment.getEndTime() : time + 1)),
+        m_clef(clef),
+        m_shouldChangeOctave(shouldChangeOctave),
+        m_shouldTranspose(shouldTranspose),
+        m_lastInsertedEvent(0)
+{
+    // nothing
+}
+
+ClefInsertionCommand::~ClefInsertionCommand()
+{
+    // nothing
+}
+
+QString
+ClefInsertionCommand::getGlobalName(Clef *)
+{
+    /* doesn't handle octave offset -- leave it for now
+        if (clef) {
+    	QString name(strtoqstr(clef->getClefType()));
+    	name = name.left(1).upper() + name.right(name.length()-1);
+    	return i18n("Change to %1 Cle&f...").arg(name);
+        } else {
+    */ 
+    return i18n("Add Cle&f Change...");
+    /*
+        }
+    */
+}
+
+timeT
+ClefInsertionCommand::getRelayoutEndTime()
+{
+    // Inserting a clef can change the y-coord of every subsequent note
+    return getSegment().getEndTime();
+}
+
+void
+ClefInsertionCommand::modifySegment()
+{
+    SegmentNotationHelper helper(getSegment());
+    Clef oldClef(getSegment().getClefAtTime(getStartTime()));
+
+    Segment::iterator i = getSegment().findTime(getStartTime());
+    while (getSegment().isBeforeEndMarker(i)) {
+        if ((*i)->getAbsoluteTime() > getStartTime()) {
+            break;
+        }
+        if ((*i)->isa(Clef::EventType)) {
+            getSegment().erase(i);
+            break;
+        }
+        ++i;
+    }
+
+    i = helper.insertClef(getStartTime(), m_clef);
+    if (i != helper.segment().end())
+        m_lastInsertedEvent = *i;
+
+    if (m_clef != oldClef) {
+
+        int semitones = 0;
+
+        if (m_shouldChangeOctave) {
+            semitones += 12 * (m_clef.getOctave() - oldClef.getOctave());
+        }
+        if (m_shouldTranspose) {
+            semitones -= m_clef.getPitchOffset() - oldClef.getPitchOffset();
+        }
+
+        if (semitones != 0) {
+            while (i != helper.segment().end()) {
+                if ((*i)->isa(Note::EventType)) {
+                    long pitch = 0;
+                    if ((*i)->get
+                            <Int>(PITCH, pitch)) {
+                        pitch += semitones;
+                        (*i)->set
+                        <Int>(PITCH, pitch);
+                    }
+                }
+                ++i;
+            }
+        }
+    }
+}
+
+}