Class: QgsProviderConnectionComboBox

The QgsProviderConnectionComboBox class is a combo box which displays the list of connections registered for a given provider.

Warning

The provider must support the connection API methods in its QgsProviderMetadata implementation in order for the model to work correctly.

Added in version 3.14.

Class Hierarchy

Base classes

QComboBox
QWidget
QObject
QPaintDevice

Methods

allowEmptyConnection	Returns True if the combobox allows the empty connection ("not set") choice.
currentConnection	Returns the name of the current connection selected in the combo box.
currentConnectionUri	Returns the uri of the current connection selected in the combo box.
setAllowEmptyConnection	Sets whether an optional empty connection ("not set") option is present in the combobox.
setConnection	Sets the current connection selected in the combo box.
setProvider	Sets the provider to be used.

Signals

connectionChanged

Emitted whenever the currently selected connection changes.

class qgis.gui.QgsProviderConnectionComboBox

Bases: QComboBox

__init__(provider: str | None, parent: QWidget | None = None)

Constructor for QgsProviderConnectionComboBox, for the specified provider.

Warning

The provider must support the connection API methods in its QgsProviderMetadata implementation in order for the model to work correctly.

Parameters:

• provider (Optional[str])

• parent (Optional[QWidget] = None)

allowEmptyConnection(self) → bool

Returns True if the combobox allows the empty connection (“not set”) choice.

See also

setAllowEmptyConnection()

Return type:

bool

signal connectionChanged(connection: str)

Emitted whenever the currently selected connection changes.

Parameters:

connection (str)

currentConnection(self) → str

Returns the name of the current connection selected in the combo box.

Return type:

str

currentConnectionUri(self) → str

Returns the uri of the current connection selected in the combo box.

Return type:

str

setAllowEmptyConnection(self, allowEmpty: bool)

Sets whether an optional empty connection (“not set”) option is present in the combobox.

See also

allowEmptyConnection()

Parameters:

allowEmpty (bool)

setConnection(self, connection: str | None)

Sets the current connection selected in the combo box.

Parameters:

connection (Optional[str])

setProvider(self, provider: str | None)

Sets the provider to be used.

Warning

The provider must support the connection API methods in its QgsProviderMetadata implementation in order for the model to work correctly.

Parameters:

provider (Optional[str])