GestureZoom

Object Hierarchy:

Gtk.GestureZoom Gtk.GestureZoom Gtk.GestureZoom Gtk.Gesture Gtk.Gesture Gtk.Gesture->Gtk.GestureZoom Gtk.EventController Gtk.EventController Gtk.EventController->Gtk.Gesture GLib.Object GLib.Object GLib.Object->Gtk.EventController

Description:

[ CCode ( type_id = "gtk_gesture_zoom_get_type ()" ) ]
public sealed class GestureZoom : Gesture

`GtkGestureZoom` is a `GtkGesture` for 2-finger pinch/zoom gestures.

Whenever the distance between both tracked sequences changes, the [signal@Gtk.GestureZoom:GtkGestureZoom:scale-changed] signal is emitted to report the scale factor.


Namespace: Gtk
Package: gtk4

Content:

Creation methods:

  • public GestureZoom ()
    Returns a newly created `GtkGesture` that recognizes pinch/zoom gestures.

Methods:

Signals:

  • public signal void scale_changed (double scale)
    Emitted whenever the distance between both tracked sequences changes.

Inherited Members:

All known members inherited from class Gtk.Gesture
All known members inherited from class Gtk.EventController
All known members inherited from class GLib.Object