winamp/Src/external_dependencies/openmpt-trunk/libopenmpt/libopenmpt_plugin_settings.hpp

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2024-09-24 12:54:57 +00:00
/*
* libopenmpt_plugin_settings.hpp
* ------------------------------
* Purpose: libopenmpt plugin settings
* Notes : (currently none)
* Authors: OpenMPT Devs
* The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
*/
#ifndef LIBOPENMPT_PLUGIN_SETTINGS_HPP
#define LIBOPENMPT_PLUGIN_SETTINGS_HPP
#ifndef NOMINMAX
#define NOMINMAX
#endif
#include <windows.h>
#include <string>
namespace libopenmpt {
namespace plugin {
typedef void (*changed_func)();
struct libopenmpt_settings {
bool no_default_format = true;
int samplerate = 48000;
int channels = 2;
int mastergain_millibel = 0;
int stereoseparation = 100;
int use_amiga_resampler = 0;
int amiga_filter_type = 0;
int repeatcount = 0;
int interpolationfilterlength = 8;
int ramping = -1;
int vis_allow_scroll = 1;
changed_func changed = nullptr;
};
class settings : public libopenmpt_settings {
private:
std::basic_string<TCHAR> subkey;
protected:
virtual void read_setting( const std::string & /* key */ , const std::basic_string<TCHAR> & key, int & val ) {
HKEY regkey = HKEY();
if ( RegOpenKeyEx( HKEY_CURRENT_USER, ( TEXT("Software\\libopenmpt\\") + subkey ).c_str(), 0, KEY_READ, &regkey ) == ERROR_SUCCESS ) {
DWORD v = val;
DWORD type = REG_DWORD;
DWORD typesize = sizeof(v);
if ( RegQueryValueEx( regkey, key.c_str(), NULL, &type, (BYTE *)&v, &typesize ) == ERROR_SUCCESS )
{
val = v;
}
RegCloseKey( regkey );
regkey = HKEY();
}
}
virtual void write_setting( const std::string & /* key */, const std::basic_string<TCHAR> & key, int val ) {
HKEY regkey = HKEY();
if ( RegCreateKeyEx( HKEY_CURRENT_USER, ( TEXT("Software\\libopenmpt\\") + subkey ).c_str(), 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &regkey, NULL ) == ERROR_SUCCESS ) {
DWORD v = val;
DWORD type = REG_DWORD;
DWORD typesize = sizeof(v);
if ( RegSetValueEx( regkey, key.c_str(), 0, type, (const BYTE *)&v, typesize ) == ERROR_SUCCESS )
{
// ok
}
RegCloseKey( regkey );
regkey = HKEY();
}
}
public:
settings( const std::basic_string<TCHAR> & subkey, bool no_default_format_ )
: subkey(subkey)
{
no_default_format = no_default_format_;
}
void load()
{
#ifdef UNICODE
#define read_setting(a,b,c) read_setting( b , L ## b , c)
#else
#define read_setting(a,b,c) read_setting( b , b , c)
#endif
read_setting( subkey, "Samplerate_Hz", samplerate );
read_setting( subkey, "Channels", channels );
read_setting( subkey, "MasterGain_milliBel", mastergain_millibel );
read_setting( subkey, "StereoSeparation_Percent", stereoseparation );
read_setting( subkey, "RepeatCount", repeatcount );
read_setting( subkey, "InterpolationFilterLength", interpolationfilterlength );
read_setting( subkey, "UseAmigaResampler", use_amiga_resampler );
read_setting( subkey, "AmigaFilterType", amiga_filter_type );
read_setting( subkey, "VolumeRampingStrength", ramping );
read_setting( subkey, "VisAllowScroll", vis_allow_scroll );
#undef read_setting
}
void save()
{
#ifdef UNICODE
#define write_setting(a,b,c) write_setting( b , L ## b , c)
#else
#define write_setting(a,b,c) write_setting( b , b , c)
#endif
write_setting( subkey, "Samplerate_Hz", samplerate );
write_setting( subkey, "Channels", channels );
write_setting( subkey, "MasterGain_milliBel", mastergain_millibel );
write_setting( subkey, "StereoSeparation_Percent", stereoseparation );
write_setting( subkey, "RepeatCount", repeatcount );
write_setting( subkey, "InterpolationFilterLength", interpolationfilterlength );
write_setting( subkey, "UseAmigaResampler", use_amiga_resampler );
write_setting( subkey, "AmigaFilterType", amiga_filter_type );
write_setting( subkey, "VolumeRampingStrength", ramping );
write_setting( subkey, "VisAllowScroll", vis_allow_scroll );
#undef write_setting
}
virtual ~settings()
{
return;
}
};
} // namespace plugin
} // namespace libopenmpt
#endif // LIBOPENMPT_PLUGIN_SETTINGS_HPP