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, 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);
+        }
+    }
+}
+
+}