qsettings_mac.cpp

Trolltech公司发布的图形界面操作系统。可在qt-embedded-2.3.10平台上编译为嵌入式图形界面操作系统。

				QString fix_s = s.left(sep);
				qt_mac_unfix_key(fix_s);
				if(!fix_s.isEmpty() && ret.findIndex(fix_s) == -1)
				    ret << fix_s;
			    }
			} else if(!subkey) {
			    QString fix_s = s;
			    qt_mac_unfix_key(fix_s);
			    ret << fix_s;
			}
		    }
		}
		CFRelease(cfa);
		return ret;
	    }
	}
    }
    return ret;
}

void
QSettingsPrivate::sysInit()
{
    sysd = new QSettingsSysPrivate;
    Q_CHECK_PTR(sysd);
    sysInsertSearchPath(QSettings::Mac, "");
}

void
QSettingsPrivate::sysClear()
{
    delete sysd;
    sysd = NULL;
}

bool QSettingsPrivate::sysSync()
{
    bool ret = TRUE;
    for(QStringList::Iterator it = sysd->syncKeys.begin();  it != sysd->syncKeys.end(); --it) {
	CFStringRef csr = CFStringCreateWithCharacters(NULL, (UniChar *)(*it).unicode(), 
						       (*it).length());
#ifdef DEBUG_SETTINGS_KEYS
	qDebug("QSettingsPrivate::sysSync(%s)", (*it).latin1());
#endif
	if(CFPreferencesAppSynchronize(csr))
	    ret = FALSE;
	CFRelease(csr);
    }
    sysd->syncKeys.clear();
    return ret;
}

void QSettingsPrivate::sysInsertSearchPath(QSettings::System s, const QString &path)
{
    if(s != QSettings::Mac)
	return;
    if ( !path.isEmpty() && !qt_verify_key( path ) ) {
#if defined(QT_CHECK_STATE)
	qWarning( "QSettings::insertSearchPath: Invalid key: '%s'", path.isNull() ? "(null)" : path.latin1() );
#endif
	return;
    }


    QString realpath = path;
    while(realpath.right(1) == "/")
	realpath.truncate(realpath.length() -1);
    sysd->searchPaths.append(realpath);
}

void QSettingsPrivate::sysRemoveSearchPath(QSettings::System s, const QString &path)
{
    if(s != QSettings::Mac) 
	return;
    QString realpath = path;
    while(realpath.right(1) == "/")
	realpath.truncate(realpath.length() -1);
    sysd->searchPaths.remove(realpath);
}

bool QSettingsPrivate::sysReadBoolEntry(const QString &key, bool def, bool *ok) const
{
#ifdef QT_CHECK_STATE
    if(key.isNull() || key.isEmpty()) {
	qWarning("QSettingsPrivate::sysReadBoolEntry: invalid null/empty key.");
	if(ok)
	    *ok = FALSE;
	return def;
    }
#endif // QT_CHECK_STATE
    if(CFPropertyListRef r = sysd->readEntry(key, globalScope)) {
	if(CFGetTypeID(r) == CFBooleanGetTypeID()) {
	    bool ret = FALSE;
	    if(CFEqual((CFBooleanRef)r, kCFBooleanTrue))
		ret = TRUE;
	    CFRelease(r);
	    return ret;
	} else {
	    CFRelease(r);
	}
    }
    if(ok)
	*ok = FALSE;
    return def;
}

double QSettingsPrivate::sysReadDoubleEntry(const QString &key, double def, bool *ok) const
{
#ifdef QT_CHECK_STATE
    if(key.isNull() || key.isEmpty()) {
	qWarning("QSettingsPrivate::sysReadDoubleEntry: invalid null/empty key.");
	if(ok)
	    *ok = FALSE;
	return def;
    }
#endif // QT_CHECK_STATE
    if(CFPropertyListRef r = sysd->readEntry(key, globalScope)) {
	if(CFGetTypeID(r) == CFNumberGetTypeID()) {
	    double ret;
	    if(!CFNumberGetValue((CFNumberRef)r, kCFNumberDoubleType, &ret)) {
		if(ok)
		    *ok = FALSE;
		ret = def;
	    } else if(ok) {
		*ok = TRUE;
	    }
	    CFRelease(r);
	    return ret;
	} else {
	    CFRelease(r);
	}
    }
    if(ok)
	*ok = FALSE;
    return def;
} 

int QSettingsPrivate::sysReadNumEntry(const QString &key, int def, bool *ok) const
{
#ifdef QT_CHECK_STATE
    if(key.isNull() || key.isEmpty()) {
	qWarning("QSettingsPrivate::sysReadNumEntry: invalid null/empty key.");
	if(ok)
	    *ok = FALSE;
	return def;
    }
#endif // QT_CHECK_STATE
    if(CFPropertyListRef r = sysd->readEntry(key, globalScope)) {
	if(CFGetTypeID(r) == CFNumberGetTypeID()) {
	    int ret;
	    if(!CFNumberGetValue((CFNumberRef)r, kCFNumberIntType, &ret)) {
		if(ok)
		    *ok = FALSE;
		ret = def;
	    } else if(ok) {
		*ok = TRUE;
	    }
	    CFRelease(r);
	    return ret;
	} else {
	    CFRelease(r);
	}
    }
    if(ok)
	*ok = FALSE;
    return def;
}

QString QSettingsPrivate::sysReadEntry(const QString &key, const QString &def, bool *ok) const
{
#ifdef QT_CHECK_STATE
    if(key.isNull() || key.isEmpty()) {
	qWarning("QSettingsPrivate::sysReadEntry: invalid null/empty key.");
	if(ok)
	    *ok = FALSE;
	return def;
    }
#endif // QT_CHECK_STATE
    if(CFPropertyListRef r = sysd->readEntry(key, globalScope)) {
	if(CFGetTypeID(r) == CFStringGetTypeID()) {
	    if(ok)
		*ok = TRUE;
	    QString ret = cfstring2qstring((CFStringRef)r);
	    CFRelease(r);
	    return ret;
	} else {
	    CFRelease(r);
	}
    }
    if(ok)
	*ok = FALSE;
    return def;
}

#if !defined(Q_NO_BOOL_TYPE)
bool QSettingsPrivate::sysWriteEntry(const QString &key, bool value)
{
#ifdef QT_CHECK_STATE
    if(key.isNull() || key.isEmpty()) {
	qWarning("QSettingsPrivate::sysWriteEntry (bool): invalid null/empty key.");
	return FALSE;
    }
#endif // QT_CHECK_STATE
    CFBooleanRef val = value ? kCFBooleanTrue : kCFBooleanFalse;
    bool ret = sysd->writeEntry(key, val, globalScope);
    return ret;
}
#endif

bool QSettingsPrivate::sysWriteEntry(const QString &key, double value)
{
#ifdef QT_CHECK_STATE
    if(key.isNull() || key.isEmpty()) {
	qWarning("QSettingsPrivate::sysWriteEntry (double): invalid null/empty key.");
	return FALSE;
    }
#endif // QT_CHECK_STATE
    CFNumberRef val = CFNumberCreate(NULL, kCFNumberDoubleType, &value);
    bool ret = sysd->writeEntry(key, val, globalScope);
    CFRelease(val);
    return ret;
}

bool QSettingsPrivate::sysWriteEntry(const QString &key, int value)
{
#ifdef QT_CHECK_STATE
    if(key.isNull() || key.isEmpty()) {
	qWarning("QSettingsPrivate::sysWriteEntry (int): invalid null/empty key.");
	return FALSE;
    }
#endif // QT_CHECK_STATE
    CFNumberRef val = CFNumberCreate(NULL, kCFNumberIntType, &value);
    bool ret = sysd->writeEntry(key, val, globalScope);
    CFRelease(val);
    return ret;
}

bool QSettingsPrivate::sysWriteEntry(const QString &key, const QString &value)
{
#ifdef QT_CHECK_STATE
    if(key.isNull() || key.isEmpty()) {
	qWarning("QSettingsPrivate::sysWriteEntry (QString): invalid null/empty key.");
	return FALSE;
    }
#endif // QT_CHECK_STATE
    CFStringRef val = CFStringCreateWithCharacters(NULL, (UniChar *)value.unicode(), 
						 value.length());
    bool ret = sysd->writeEntry(key, val, globalScope);
    CFRelease(val);
    return ret;
}

bool QSettingsPrivate::sysRemoveEntry(const QString &key)
{
#ifdef QT_CHECK_STATE
    if(key.isNull() || key.isEmpty()) {
	qWarning("QSettingsPrivate::sysRemoveEntry: invalid null/empty key.");
	return FALSE;
    }
#endif // QT_CHECK_STATE
    return sysd->writeEntry(key, NULL, globalScope);
}

QStringList QSettingsPrivate::sysEntryList(const QString &key) const
{
#ifdef QT_CHECK_STATE
    if(key.isNull() || key.isEmpty()) {
	qWarning("QSettingsPrivate::sysEntryList: invalid null/empty key.");
	return QStringList();
    }
#endif // QT_CHECK_STATE
    return sysd->entryList(key, FALSE, globalScope);
}

QStringList QSettingsPrivate::sysSubkeyList(const QString &key) const
{
#ifdef QT_CHECK_STATE
    if(key.isNull() || key.isEmpty()) {
	qWarning("QSettingsPrivate::sysSubkeyList: invalid null/empty key.");
	return QStringList();
    }
#endif // QT_CHECK_STATE
    return sysd->entryList(key, TRUE, globalScope);
}

#endif //QT_NO_SETTINGS