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#ifndef NOATUN_EQUALIZER_H
#define NOATUN_EQUALIZER_H
#include <tqptrlist.h>
#include <tqobject.h>
#include <kurl.h>
#include <noatun/vequalizer.h>
class Engine;
class Equalizer;
/**
* a preset stores the state of the equalizer
*
* @short EQ Preset
* @author Charles Samuels
* @version 2.3
**/
class Preset
{
friend class Equalizer;
Preset(const TQString &file);
Preset();
Preset(VPreset p);
public:
TQString name() const;
bool setName(const TQString &name);
bool save() const;
bool load();
void remove();
TQString file() const;
VPreset &vpreset() const;
private:
TQString mFile;
};
/**
* This represents a single band in Noatuns %Equalizer
*
* @short EQ Band
* @author Charles Samuels
* @version 2.3
**/
class Band
{
friend class Equalizer;
friend class TQPtrList<Band>;
private:
Band();
Band(int start, int end);
Band(int band);
virtual ~Band();
public:
/**
* the intensity of the change.
* it's logarithmic. 0 is no change
* negative numbers are loss in intensity
* positive numbers are a gain
* And +-100 is the most you'd need to go
**/
int level();
void setLevel(int l);
int start() const;
int end() const;
/**
* the middle between start and end
**/
int center() const;
TQString formatStart(bool withHz=true) const;
TQString formatEnd(bool withHz=true) const;
/**
* return the format for center()
**/
TQString format(bool withHz=true) const;
private:
int mOffset;
int mNum, mEnd;
};
/**
* @deprecated
*
* this API is deprecated!!! Do not use it!
* it acts as a wrapper around the new VEqualizer API
* This only exists to keep compatibility in both
* source and binary forms. It will go away in the future.
* @short old Equalizer
* @author Charles Samuels
* @version 2.3
**/
class Equalizer : public TQObject
{
friend class Band;
friend class Preset;
friend class Engine;
Q_OBJECT
public:
Equalizer();
~Equalizer();
const TQPtrList<Band> &bands() const;
Band *band(int num) const;
int bandCount() const;
int preamp() const;
bool isEnabled() const;
void init();
public slots:
/**
* set the preamplification
* it's logarithmic. 0 is no change
* negative numbers are loss in intensity
* positive numbers are a gain
* And +-100 is the most you'd need to go
**/
void setPreamp(int p);
void enable();
void disable();
void setEnabled(bool e);
public:
// saving eq stuff
/**
* save the current levels
* all noatun equalizer files have the "*.noatunequalizer"
* pattern. Nevertheless, the file can be identified
* by magic, so it's not required
**/
bool save(const KURL &file, const TQString &friendly) const;
/**
* restore the EQ settings from this file
**/
bool load(const KURL &file);
/**
* convert the current EQ settings to string form,
* suitable for storage, the given string is the title
*
* @see fromString
**/
TQString toString(const TQString &name="stored") const;
/**
* undo a toString, restoring the EQ
* to the settings in the given string,
* emitting the changed signals
**/
bool fromString(const TQString &str);
/**
* create a preset with such a name
* and remember that it'l return zero
* if the name already exists
*
* If smart is true, append a number to the end
* of the name, if one already exists by the given
**/
Preset *createPreset(const TQString &name, bool smart=true);
/**
* return all the presets
* remember to setAutoDelete on this
**/
TQPtrList<Preset> presets() const;
Preset *preset(const TQString &file);
bool presetExists(const TQString &name) const;
signals:
void changed(Band *band);
void changed();
void enabled();
void disabled();
void enabled(bool e);
void preampChanged(int p);
void preampChanged();
/**
* the preset with the given name
* was selected
**/
void changed(Preset *);
/**
* when a new preset has been created
**/
void created(Preset*);
/**
* when @p preset has been renamed to @p newname
**/
void renamed(Preset *);
/**
* the given preset has been removed
**/
void removed(Preset *);
private slots:
void created(VPreset preset);
void selected(VPreset preset);
void renamed(VPreset preset);
void removed(VPreset preset);
private:
void add(Band*);
void remove(Band*);
// apply the data to artsd
void enableUpdates(bool on=true);
void update(bool full=false);
private:
TQPtrList<Band> mBands;
bool mUpdates;
int mPreamp;
};
#endif
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