Mercurial > hg > svcore
diff base/ViewManagerBase.h @ 394:44d1e22918f3
* add forgotten files
author | Chris Cannam |
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date | Mon, 17 Mar 2008 10:12:35 +0000 |
parents | |
children | 9d70f577d6f5 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/base/ViewManagerBase.h Mon Mar 17 10:12:35 2008 +0000 @@ -0,0 +1,75 @@ +/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ + +/* + Sonic Visualiser + An audio file viewer and annotation editor. + Centre for Digital Music, Queen Mary, University of London. + This file copyright 2006 Chris Cannam and QMUL. + + 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 _VIEW_MANAGER_BASE_H_ +#define _VIEW_MANAGER_BASE_H_ + +#include <QObject> + +#include "Selection.h" + +class AudioPlaySource; + +/** + * Base class for ViewManager, with no GUI content. This should + * define all of the ViewManager interface that e.g. audio I/O classes + * need to refer to. + */ + +class ViewManagerBase : public QObject +{ + Q_OBJECT + +public: + virtual void setAudioPlaySource(AudioPlaySource *source) = 0; + + virtual size_t alignPlaybackFrameToReference(size_t) const = 0; + virtual size_t alignReferenceToPlaybackFrame(size_t) const = 0; + + virtual const MultiSelection &getSelection() const = 0; + virtual const MultiSelection::SelectionList &getSelections() const = 0; + virtual size_t constrainFrameToSelection(size_t frame) const = 0; + + virtual Selection getContainingSelection + (size_t frame, bool defaultToFollowing) const = 0; + + virtual bool getPlayLoopMode() const = 0; + virtual bool getPlaySelectionMode() const = 0; + virtual bool getPlaySoloMode() const = 0; + virtual bool getAlignMode() const = 0; + +signals: + /** Emitted when the selection has changed. */ + void selectionChanged(); + + /** Emitted when the play loop mode has been changed. */ + void playLoopModeChanged(); + void playLoopModeChanged(bool); + + /** Emitted when the play selection mode has been changed. */ + void playSelectionModeChanged(); + void playSelectionModeChanged(bool); + + /** Emitted when the play solo mode has been changed. */ + void playSoloModeChanged(); + void playSoloModeChanged(bool); + + /** Emitted when the alignment mode has been changed. */ + void alignModeChanged(); + void alignModeChanged(bool); +}; + +#endif +