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Diffstat (limited to 'src/commands/edit/ChangeVelocityCommand.h')
| -rw-r--r-- | src/commands/edit/ChangeVelocityCommand.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/commands/edit/ChangeVelocityCommand.h b/src/commands/edit/ChangeVelocityCommand.h new file mode 100644 index 0000000..a0a51b1 --- /dev/null +++ b/src/commands/edit/ChangeVelocityCommand.h @@ -0,0 +1,68 @@ + +/* -*- 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 <glaurent@telegraph-road.org>, + Chris Cannam <cannam@all-day-breakfast.com>, + Richard Bown <richard.bown@ferventsoftware.com> + + 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. +*/ + +#ifndef _RG_CHANGEVELOCITYCOMMAND_H_ +#define _RG_CHANGEVELOCITYCOMMAND_H_ + +#include "document/BasicSelectionCommand.h" +#include <qstring.h> +#include <klocale.h> + + + + +namespace Rosegarden +{ + +class EventSelection; + + +/** Add or subtract a constant from all event velocities. + Use SelectionPropertyCommand if you want to do something more + creative. */ +class ChangeVelocityCommand : public BasicSelectionCommand +{ +public: + ChangeVelocityCommand(int delta, EventSelection &selection) : + BasicSelectionCommand(getGlobalName(delta), selection, true), + m_selection(&selection), m_delta(delta) { } + + static QString getGlobalName(int delta = 0) { + if (delta > 0) return i18n("&Increase Velocity"); + else return i18n("&Reduce Velocity"); + } + +protected: + virtual void modifySegment(); + +private: + EventSelection *m_selection;// only used on 1st execute (cf bruteForceRedo) + int m_delta; +}; + + +} + +#endif |
