Class::DSettingsBackend

暂无该属性

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Detailed Description

• ~english *

DSettingsBackend is interface of DSettings storage class. * * Simaple example: json { "groups": [{ "key": "base", "name": "Basic settings", "groups": [{ "key": "open_action", "name": "Open Action", "options": [{ "key": "alway_open_on_new", "type": "checkbox", "text": "Always Open On New Windows", "default": true }, { "key": "open_file_action", "name": "Open File:", "type": "combobox", "default": "" } ] }, { "key": "new_tab_windows", "name": "New Tab & Window", "options": [{ "key": "new_window_path", "name": "New Window Open:", "type": "combobox", "default": "" }, { "key": "new_tab_path", "name": "New Tab Open:", "type": "combobox", "default": "" } ] } ] }] }

• How to read/write key and value:

// read settings from json auto settings = Dtk::Core::DSettings::fromJsonFile(":/resources/data/dfm-settings.json"); settings->setBackend(backend);

// read value auto opt = settings->option("base.new_tab_windows.new_window_path"); qDebug() << opt->value();

// modify value opt->setValue("Test") qDebug() << opt->value(); ``` *

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**See also** Dtk::Core::DSettingsOptionDtk::Core::DSettingsGroupDtk::Core::DSettingsBackendDtk::Widget::DSettingsWidgetFactoryDtk::Widget::DSettingsDialog

# DSettingsBackend::metaObject

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[<font color="green">public</font>&nbsp;<font color="green">plain</font>&nbsp;<font color="green"></font>&nbsp;<font color="green">virtual</font>]

const QMetaObject * metaObject() const



# DSettingsBackend::qt_metacast

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[<font color="green">public</font>&nbsp;<font color="green">plain</font>&nbsp;<font color="green"></font>&nbsp;<font color="green">virtual</font>]

void * qt_metacast(const char *)



# DSettingsBackend::qt_metacall

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[<font color="green">public</font>&nbsp;<font color="green">plain</font>&nbsp;<font color="green"></font>&nbsp;<font color="green">virtual</font>]

int qt_metacall(QMetaObject::Call , int , void **)



# DSettingsBackend::tr

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[<font color="green">public</font>&nbsp;<font color="green">plain</font>&nbsp;<font color="green">static</font>&nbsp;<font color="green"></font>]

QString tr(const char *s, const char *c, int n)



# DSettingsBackend::trUtf8

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[<font color="green">public</font>&nbsp;<font color="green">plain</font>&nbsp;<font color="green">static</font>&nbsp;<font color="green"></font>]

QString trUtf8(const char *s, const char *c, int n)



# DSettingsBackend::qt_static_metacall

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[<font color="green">private</font>&nbsp;<font color="green">plain</font>&nbsp;<font color="green">static</font>&nbsp;<font color="green"></font>]

void qt_static_metacall(QObject *, QMetaObject::Call , int , void **)


# Class::QPrivateSignal


### DSettingsBackend::QPrivateSignal

 <hr />


# Detailed Description


# DSettingsBackend::DSettingsBackend

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[<font color="green">public</font>&nbsp;<font color="green">constructor</font>&nbsp;<font color="green"></font>&nbsp;<font color="green"></font>]

DSettingsBackend(QObject *parent)



# DSettingsBackend::~DSettingsBackend

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[<font color="green">public</font>&nbsp;<font color="green">destructor</font>&nbsp;<font color="green"></font>&nbsp;<font color="green">virtual</font>]

~DSettingsBackend()



# DSettingsBackend::keys

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[<font color="green">public</font>&nbsp;<font color="green">plain</font>&nbsp;<font color="green"></font>&nbsp;<font color="green"></font>]

QStringList keys() const = 0



# DSettingsBackend::getOption

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[<font color="green">public</font>&nbsp;<font color="green">plain</font>&nbsp;<font color="green"></font>&nbsp;<font color="green"></font>]

QVariant getOption(const QString &key) const = 0



# DSettingsBackend::doSync

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[<font color="green">public</font>&nbsp;<font color="green">plain</font>&nbsp;<font color="green"></font>&nbsp;<font color="green"></font>]

void doSync() = 0



# DSettingsBackend::doSetOption

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[<font color="green">protected</font>&nbsp;<font color="green">plain</font>&nbsp;<font color="green"></font>&nbsp;<font color="green"></font>]

void doSetOption(const QString &key, const QVariant &value) = 0



# DSettingsBackend::optionChanged

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[<font color="green">public</font>&nbsp;<font color="green">signal</font>&nbsp;<font color="green"></font>&nbsp;<font color="green"></font>]

void optionChanged(const QString &key, const QVariant &value)



# DSettingsBackend::sync

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[<font color="green">public</font>&nbsp;<font color="green">signal</font>&nbsp;<font color="green"></font>&nbsp;<font color="green"></font>]

void sync()



# DSettingsBackend::setOption

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[<font color="green">public</font>&nbsp;<font color="green">signal</font>&nbsp;<font color="green"></font>&nbsp;<font color="green"></font>]

void setOption(const QString &key, const QVariant &value)