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  1. type WidgetUnmapCallback = IO ()

    gi-gtk4 GI.Gtk.Objects.Widget

    Emitted when widget is going to be unmapped. A widget is unmapped when either it or any of its parents up to the toplevel widget have been set as hidden. As unmap indicates that a widget will not be shown any longer, it can be used to, for example, stop an animation on the widget.

  2. afterWidgetMap :: (IsWidget a, MonadIO m) => a -> ((?self :: a) => WidgetMapCallback) -> m SignalHandlerId

    gi-gtk4 GI.Gtk.Objects.Widget

    Connect a signal handler for the map signal, to be run after the default handler. When overloading is enabled, this is equivalent to 

    after widget #map callback
    By default the object invoking the signal is not passed to the callback. If you need to access it, you can use the implit ?self parameter. Note that this requires activating the ImplicitParams GHC extension.

  3. afterWidgetUnmap :: (IsWidget a, MonadIO m) => a -> ((?self :: a) => WidgetUnmapCallback) -> m SignalHandlerId

    gi-gtk4 GI.Gtk.Objects.Widget

    Connect a signal handler for the unmap signal, to be run after the default handler. When overloading is enabled, this is equivalent to 

    after widget #unmap callback
    By default the object invoking the signal is not passed to the callback. If you need to access it, you can use the implit ?self parameter. Note that this requires activating the ImplicitParams GHC extension.

  4. onWidgetMap :: (IsWidget a, MonadIO m) => a -> ((?self :: a) => WidgetMapCallback) -> m SignalHandlerId

    gi-gtk4 GI.Gtk.Objects.Widget

    Connect a signal handler for the map signal, to be run before the default handler. When overloading is enabled, this is equivalent to 

    on widget #map callback

  5. onWidgetUnmap :: (IsWidget a, MonadIO m) => a -> ((?self :: a) => WidgetUnmapCallback) -> m SignalHandlerId

    gi-gtk4 GI.Gtk.Objects.Widget

    Connect a signal handler for the unmap signal, to be run before the default handler. When overloading is enabled, this is equivalent to 

    on widget #unmap callback

  6. widgetGetFontMap :: (HasCallStack, MonadIO m, IsWidget a) => a -> m (Maybe FontMap)

    gi-gtk4 GI.Gtk.Objects.Widget

    Gets the font map of widget. See widgetSetFontMap.

  7. widgetGetMapped :: (HasCallStack, MonadIO m, IsWidget a) => a -> m Bool

    gi-gtk4 GI.Gtk.Objects.Widget

    Whether the widget is mapped.

  8. widgetMap :: (HasCallStack, MonadIO m, IsWidget a) => a -> m ()

    gi-gtk4 GI.Gtk.Objects.Widget

    Causes a widget to be mapped if it isn’t already. This function is only for use in widget implementations.

  9. widgetSetFontMap :: (HasCallStack, MonadIO m, IsWidget a, IsFontMap b) => a -> Maybe b -> m ()

    gi-gtk4 GI.Gtk.Objects.Widget

    Sets the font map to use for Pango rendering. The font map is the object that is used to look up fonts. Setting a custom font map can be useful in special situations, e.g. when you need to add application-specific fonts to the set of available fonts. When not set, the widget will inherit the font map from its parent.

  10. widgetUnmap :: (HasCallStack, MonadIO m, IsWidget a) => a -> m ()

    gi-gtk4 GI.Gtk.Objects.Widget

    Causes a widget to be unmapped if it’s currently mapped. This function is only for use in widget implementations.

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