GestureDrag

Object Hierarchy:

Description:

[ CCode ( type_id = "gtk_gesture_drag_get_type ()" ) ]
public class GestureDrag : GestureSingle

Recognizes drag gestures.

The drag operation itself can be tracked throughout the [signal@Gtk.GestureDrag:GtkGestureDrag:drag-begin], [ signal@Gtk.GestureDrag:GtkGestureDrag:drag-update] and [signal@Gtk.GestureDrag:GtkGestureDrag:drag-end] signals, and the relevant coordinates can be extracted through [method@Gtk.GestureDrag.get_offset] and [method@Gtk.GestureDrag.get_start_point].

All known sub-classes:

GesturePan

Namespace: Gtk

Package: gtk4

Content:

Creation methods:

public GestureDrag ()
Returns a newly created `GtkGesture` that recognizes drags.

Methods:

public bool get_offset (out double x, out double y)
Gets the offset from the start point.
public bool get_start_point (out double x, out double y)
Gets the point where the drag started.

Signals:

public signal void drag_begin (double start_x, double start_y)
Emitted whenever dragging starts.
public signal void drag_end (double offset_x, double offset_y)
Emitted whenever the dragging is finished.
public signal void drag_update (double offset_x, double offset_y)
Emitted whenever the dragging point moves.

Inherited Members:

All known members inherited from class Gtk.GestureSingle

All known members inherited from class Gtk.Gesture

All known members inherited from class Gtk.EventController

All known members inherited from class GLib.Object