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115 lines
4.1 KiB
115 lines
4.1 KiB
#ifndef MixDevice_h
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#define MixDevice_h
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#include "volume.h"
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#include <tqstring.h>
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#include <kconfig.h>
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#include <tqobject.h>
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#include <tqptrlist.h>
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// ! @todo : CONSIDER MERGING OF MixDevice and Volume classes:
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// Not easy possible, because Volume is used in the driver backends
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/* !! @todo : Add 2 fields:
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* bool update_from_Hardware;
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* bool update_from_UI;
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* They will show whether there are pending changes from both sides.
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* Updates will be faster and more reliable by this.
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*/
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class MixDevice : public QObject
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{
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Q_OBJECT
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public:
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// For each ChannelType a special icon exists
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enum ChannelType {AUDIO = 1, BASS, CD, EXTERNAL, MICROPHONE,
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MIDI, RECMONITOR, TREBLE, UNKNOWN, VOLUME,
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VIDEO, SURROUND, HEADPHONE, DIGITAL, AC97,
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SURROUND_BACK, SURROUND_LFE, SURROUND_CENTERFRONT, SURROUND_CENTERBACK
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};
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// The DeviceCategory tells the type of the device
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// It is used in bitmasks, so you must use values of 2^n .
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enum DeviceCategory { UNDEFINED= 0x00, SLIDER=0x01, SWITCH=0x02, ENUM=0x04, ALL=0xff };
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MixDevice(int num, Volume &vol, bool recordable, bool mute,
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TQString name, ChannelType type = UNKNOWN, DeviceCategory category =
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SLIDER );
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MixDevice(const MixDevice &md);
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~MixDevice();
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int num() { return _num; };
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TQString name() { return _name; };
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/**
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* Returns an unique ID of this MixDevice. By default the number
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* 'num' from the constructor is returned. It is recommended that
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* a better ID is set directly after constructing the MixDevice using
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* the setUniqueID().
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*/
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TQString& getPK();
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/**
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* Set a suitable PK for this MixDevice. It is used in looking up
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* the keys in kmixrc. It is advised to set a nice name, like
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* 'PCM_2', which would mean "2nd PCM device of the sound card".
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*/
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void setPK(TQString &id);
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bool isRecordable() { return _recordable; };
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bool isRecSource() { return _recSource; };
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bool isSwitch() { return _switch; } // !! change to _category == MixDevice::SWITCH
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bool isEnum() { return _category == MixDevice::ENUM; }
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bool isMuted() { return _volume.isMuted(); };
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bool hasMute() { return _mute; }
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void setMuted(bool value) { _volume.setMuted( value ); };
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void setVolume( int channel, int volume );
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void setRecSource( bool rec ) { _recSource = rec; }
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long getVolume(Volume::ChannelID chid);
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Volume& getVolume();
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long maxVolume();
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long minVolume();
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void setEnumId(int);
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unsigned int enumId();
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TQPtrList<TQString>& enumValues();
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void read( KConfig *config, const TQString& grp );
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void write( KConfig *config, const TQString& grp );
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void setType( ChannelType channeltype ) { _type = channeltype; };
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ChannelType type() { return _type; };
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DeviceCategory category() { return _category; };
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signals:
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void newVolume( int num, Volume volume );
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protected:
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Volume _volume;
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ChannelType _type;
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// The DeviceCategory tells, how "important" a MixDevice is.
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// The driver (e.g. mixer_oss.cpp) must set this value. It is
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// used for deciding what Sliders to show and for distributing
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// the sliders. It is advised to use the following categories:
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// BASIC: Master, PCM
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// PRIMARY: CD, Headphone, Microphone, Line
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// SECONDARY: All others
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// SWITCH: All devices which only have a On/Off-Switch
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int _num; // ioctl() device number of mixer
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bool _recordable; // Can it be recorded?
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bool _switch; // On/Off switch // !! remove
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bool _mute; // Available mute option
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bool _recSource; // Current rec status
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DeviceCategory _category; // category
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TQString _name; // Ascii channel name
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TQString _pk; // Primary key, used as part in config file keys
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// A MixDevice, that is an ENUM, has these _enumValues
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TQPtrList<TQString> _enumValues;
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int _enumCurrentId;
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};
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#endif
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