ToplevelSignalName

Emitted when the size for the surface needs to be computed, when it is present.

It will normally be emitted during or after [methodGdk.Toplevel.present], depending on the configuration received by the windowing system. It may also be emitted at any other point in time, in response to the windowing system spontaneously changing the configuration.

It is the responsibility of the toplevel user to handle this signal and compute the desired size of the toplevel, given the information passed via the [structGdk.ToplevelSize] object. Failing to do so will result in an arbitrary size being used as a result.

Emitted when surface starts being present on the monitor.

Emitted when GDK receives an input event for surface.

Emitted when the size of surface is changed, or when relayout should be performed.

Surface size is reported in ”application pixels”, not ”device pixels” (see gdk_surface_get_scale_factor()).

Emitted when surface stops being present on the monitor.

The notify signal is emitted on an object when one of its properties has its value set through g_object_set_property(), g_object_set(), et al.

Note that getting this signal doesn’t itself guarantee that the value of the property has actually changed. When it is emitted is determined by the derived GObject class. If the implementor did not create the property with G_PARAM_EXPLICIT_NOTIFY, then any call to g_object_set_property() results in notify being emitted, even if the new value is the same as the old. If they did pass G_PARAM_EXPLICIT_NOTIFY, then this signal is emitted only when they explicitly call g_object_notify() or g_object_notify_by_pspec(), and common practice is to do that only when the value has actually changed.

This signal is typically used to obtain change notification for a single property, by specifying the property name as a detail in the g_signal_connect() call, like this: (C Language Example):

g_signal_connect (text_view->buffer, "notify::paste-target-list",
                  G_CALLBACK (gtk_text_view_target_list_notify),
                  text_view)

It is important to note that you must use canonical parameter names as detail strings for the notify signal.

Emitted when part of the surface needs to be redrawn.

The mouse pointer for the GdkSurface.

Whether the window manager should add decorations.

Whether the window manager should allow to close the surface.

The GdkDisplay connection of the surface.

The GdkFrameClock of the surface.

The fullscreen mode of the surface.

The height of the surface, in pixels.

A list of textures to use as icon.

Whether the surface is mapped.

Whether the surface is modal.

The scale factor of the surface.

Whether the surface should inhibit keyboard shortcuts.

The startup ID of the surface.

See [classGdk.AppLaunchContext] for more information about startup feedback.

The state of the toplevel.

The title of the surface.

The transient parent of the surface.

The width of the surface in pixels.