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-rw-r--r--muse_qt4_evolution/muse/midiedit/velocity.cpp108
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diff --git a/muse_qt4_evolution/muse/midiedit/velocity.cpp b/muse_qt4_evolution/muse/midiedit/velocity.cpp
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+//=============================================================================
+// 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 "velocity.h"
+#include "song.h"
+#include "tb1.h"
+#include "audio.h"
+
+//---------------------------------------------------------
+// Velocity
+//---------------------------------------------------------
+
+Velocity::Velocity(QWidget*)
+ : MidiCmdDialog()
+ {
+ setWindowTitle(tr("MusE: Modify Velocity"));
+ QWidget* velocityWidget = new QWidget;
+ velo.setupUi(velocityWidget);
+ layout->addWidget(velocityWidget);
+ layout->addStretch(10);
+ _rateVal = 0;
+ _offsetVal = 0;
+ velo.rate->setValue(_rateVal);
+ velo.offset->setValue(_offsetVal);
+ }
+
+//---------------------------------------------------------
+// accept
+//---------------------------------------------------------
+
+void Velocity::accept()
+ {
+ _rateVal = velo.rate->value();
+ _offsetVal = velo.offset->value();
+ MidiCmdDialog::accept();
+ }
+
+//---------------------------------------------------------
+// ModifyVelocityCmd
+//---------------------------------------------------------
+
+ModifyVelocityCmd::ModifyVelocityCmd(MidiEditor* e)
+ : MidiCmd(e)
+ {
+ dialog = 0;
+ }
+
+//---------------------------------------------------------
+// guiDialog
+//---------------------------------------------------------
+
+MidiCmdDialog* ModifyVelocityCmd::guiDialog()
+ {
+ if (dialog == 0)
+ dialog = new Velocity(0);
+ return dialog;
+ }
+
+//---------------------------------------------------------
+// process
+//---------------------------------------------------------
+
+void ModifyVelocityCmd::process(CItemList* items)
+ {
+ int rate = dialog->rateVal();
+ int offset = dialog->offsetVal();
+
+ for (iCItem k = items->begin(); k != items->end(); ++k) {
+ CItem* item = k->second;
+ Event event = item->event;
+ if (event.type() != Note)
+ continue;
+ if (itemInRange(item)) {
+ int velo = event.velo();
+ velo = (velo * rate) / 100;
+ velo += offset;
+
+ if (velo <= 0)
+ velo = 1;
+ if (velo > 127)
+ velo = 127;
+ if (event.velo() != velo) {
+ Event newEvent = event.clone();
+ newEvent.setVelo(velo);
+ audio->msgChangeEvent(event, newEvent, item->part, false);
+ }
+ }
+ }
+ }
+
+