Package org.gnome.gtk

Interface TextView.ExtendSelectionCallback

All Superinterfaces:

FunctionPointer

Enclosing class:

TextView

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 TextView.ExtendSelectionCallback
extends FunctionPointer

Functional interface declaration of the ExtendSelectionCallback callback.

See Also:

• run(org.gnome.gtk.TextExtendSelection, org.gnome.gtk.TextIter, org.gnome.gtk.TextIter, org.gnome.gtk.TextIter)

Method Summary

Modifier and Type	Method	Description
boolean	run(TextExtendSelection granularity, @Nullable TextIter location, @Nullable TextIter start, @Nullable TextIter end)	Emitted when the selection needs to be extended at location.
default MemorySegment	toCallback(Arena arena)	Creates a native function pointer to the upcall(java.lang.foreign.MemorySegment, int, java.lang.foreign.MemorySegment, java.lang.foreign.MemorySegment, java.lang.foreign.MemorySegment) method.
default int	upcall(MemorySegment sourceTextView, int granularity, MemorySegment location, MemorySegment start, MemorySegment end)	The upcall method is called from native code.

Method Details

run

boolean run(TextExtendSelection granularity,
 @Nullable TextIter location,
 @Nullable TextIter start,
 @Nullable TextIter end)

Emitted when the selection needs to be extended at location.

upcall

default int upcall(MemorySegment sourceTextView,
 int granularity,
 MemorySegment location,
 MemorySegment start,
 MemorySegment end)

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

toCallback

default MemorySegment toCallback(Arena arena)

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

Specified by:

toCallback in interface FunctionPointer

Parameters:

arena - the arena in which the function pointer is allocated

Returns:

the native function pointer