Package org.gnome.gtk

Interface FileChooserWidget.DownFolderCallback

All Superinterfaces:

FunctionPointer

Enclosing class:

FileChooserWidget

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public static interface FileChooserWidget.DownFolderCallback
extends FunctionPointer

Functional interface declaration of the DownFolderCallback callback.

See Also:

• run()

Method Summary

Modifier and Type	Method	Description
void	run()	Emitted when the user asks for it.
default MemorySegment	toCallback(Arena arena)	Creates a native function pointer to the upcall(java.lang.foreign.MemorySegment) method.
default void	upcall(MemorySegment sourceFileChooserWidget)	The upcall method is called from native code.

Method Details

run

void run()

Emitted when the user asks for it.

This is a keybinding signal.

This is used to make the file chooser go to a child of the current folder in the file hierarchy. The subfolder that will be used is displayed in the path bar widget of the file chooser. For example, if the path bar is showing "/foo/bar/baz", with bar currently displayed, then this will cause the file chooser to switch to the "baz" subfolder.

The default binding for this signal is Alt-Down.

upcall

default void upcall(MemorySegment sourceFileChooserWidget)

The upcall method is called from native code. The parameters are marshaled and run() is executed.

toCallback

default MemorySegment toCallback(Arena arena)

Creates a native function pointer to the upcall(java.lang.foreign.MemorySegment) method.

Specified by:

toCallback in interface FunctionPointer

Parameters:

arena - the function pointer will be allocated in this arena

Returns:

the native function pointer