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//=========================================================
// MusE
// Linux Music Editor
// $Id: tempo.h,v 1.2.2.1 2006/09/19 19:07:09 spamatica Exp $
//
// (C) Copyright 1999/2000 Werner Schweer (ws@seh.de)
//
// 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; version 2 of
// the License, or (at your option) any later version.
//
// 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
//=========================================================
#ifndef KEYEVENT_H
#define KEYEVENT_H
#include <map>
#ifndef MAX_TICK
#define MAX_TICK (0x7fffffff/100)
#endif
namespace MusECore {
class Xml;
//don't change this enum! changing the numeric values will affect
//all files using key_enum, and even worse:
//PREVIOUSLY SAVED FILES WILL BE CORRUPT because the keys are
//stored as integers. when the integer -> key mapping changes
//(by inserting or removing elements, for example), this will
//break stuff! (flo)
enum key_enum
{
KEY_SHARP_BEGIN,
KEY_C, // C or am, uses # for "black keys"
KEY_G,
KEY_D,
KEY_A,
KEY_E,
KEY_B, // or H in german.
KEY_FIS, //replaces F with E#
KEY_SHARP_END,
KEY_B_BEGIN,
KEY_C_B, // the same as C, but uses b for "black keys"
KEY_F,
KEY_BES, // or B in german
KEY_ES,
KEY_AS,
KEY_DES,
KEY_GES, //sounds like FIS, but uses b instead of #
KEY_B_END
};
//---------------------------------------------------------
// Key Event
//---------------------------------------------------------
struct KeyEvent {
key_enum key;
unsigned tick;
int read(Xml&);
void write(int, Xml&, int) const;
KeyEvent() { }
KeyEvent(key_enum k, unsigned tk) {
key = k;
tick = tk;
}
};
//---------------------------------------------------------
// KeyList
//---------------------------------------------------------
typedef std::map<unsigned, KeyEvent, std::less<unsigned> > KEYLIST;
typedef KEYLIST::iterator iKeyEvent;
typedef KEYLIST::const_iterator ciKeyEvent;
typedef KEYLIST::reverse_iterator riKeyEvent;
typedef KEYLIST::const_reverse_iterator criKeyEvent;
class KeyList : public KEYLIST {
void add(unsigned tick, key_enum tempo);
void change(unsigned tick, key_enum newKey);
void del(iKeyEvent);
void del(unsigned tick);
public:
KeyList();
void clear();
void read(Xml&);
void write(int, Xml&) const;
void dump() const;
key_enum keyAtTick(unsigned tick) const;
void addKey(unsigned t, key_enum newKey);
void delKey(unsigned tick);
};
} // namespace MusECore
namespace MusEGlobal {
extern MusECore::KeyList keymap;
}
#endif // KEYEVENT_H
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