Package org.gnome.gtk

Interface ListBox.RowSelectedCallback

All Superinterfaces:

FunctionPointer

Enclosing class:

ListBox

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 ListBox.RowSelectedCallback
extends FunctionPointer

Functional interface declaration of the RowSelectedCallback callback.

See Also:

• run(org.gnome.gtk.ListBoxRow)

Method Summary

Modifier and Type	Method	Description
void	run(@Nullable ListBoxRow row)	Emitted when a new row is selected, or (with a null row) when the selection is cleared.
default MemorySegment	toCallback(Arena arena)	Creates a native function pointer to the upcall(java.lang.foreign.MemorySegment, java.lang.foreign.MemorySegment) method.
default void	upcall(MemorySegment sourceListBox, MemorySegment row)	The upcall method is called from native code.

Method Details

run

void run(@Nullable
 @Nullable ListBoxRow row)

Emitted when a new row is selected, or (with a null row) when the selection is cleared.

When the box is using SelectionMode.MULTIPLE, this signal will not give you the full picture of selection changes, and you should use the Gtk.ListBox::selected-rows-changed signal instead.

upcall

default void upcall(MemorySegment sourceListBox,
 MemorySegment row)

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

toCallback

default MemorySegment toCallback(Arena arena)

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