Signal Transfer Analysis

$ gir-query --print-closure-arg-types "Object,GObject.Object,Widget,Gtk.Widget,Atk.Object" | grep "|| signal ||"

Closure Arg	Closure Type	Direction	Arg Type	Transfer
GcrUi.ImportButton.imported.importer	signal	in	GObject.Object	none
GcrUi.ImportButton.importing.importer	signal	in	GObject.Object	none
Gtk.PrintOperation.create-custom-widget	signal	out	GObject.Object	none
Gtk.AccelGroup.accel-activate.acceleratable	signal	in	GObject.Object	none
Gtk.TextTag.event.object	signal	in	GObject.Object	none
Gtk.ActionGroup.connect-proxy.proxy	signal	in	Widget	none
Gtk.ActionGroup.disconnect-proxy.proxy	signal	in	Widget	none
Gtk.Assistant.prepare.page	signal	in	Widget	none
Gtk.Container.add.object	signal	in	Widget	none
Gtk.Container.remove.object	signal	in	Widget	none
Gtk.Container.set-focus-child.object	signal	in	Widget	none
Gtk.HandleBox.child-attached.widget	signal	in	Widget	none
Gtk.HandleBox.child-detached.widget	signal	in	Widget	none
Gtk.MenuShell.insert.child	signal	in	Widget	none
Gtk.Notebook.create-window.page	signal	in	Widget	none
Gtk.Notebook.page-added.child	signal	in	Widget	none
Gtk.Notebook.page-removed.child	signal	in	Widget	none
Gtk.Notebook.page-reordered.child	signal	in	Widget	none
Gtk.Notebook.switch-page.page	signal	in	Widget	none
Gtk.Overlay.get-child-position.widget	signal	in	Widget	none
Gtk.PrintOperation.custom-widget-apply.widget	signal	in	Widget	none
Gtk.PrintOperation.update-custom-widget.widget	signal	in	Widget	none
Gtk.UIManager.add-widget.widget	signal	in	Widget	none
Gtk.UIManager.connect-proxy.proxy	signal	in	Widget	none
Gtk.UIManager.disconnect-proxy.proxy	signal	in	Widget	none
Gtk.Widget.hierarchy-changed.previous_toplevel	signal	in	Widget	none
Gtk.Widget.parent-set.old_parent	signal	in	Widget	none
Gtk.Window.set-focus.object	signal	in	Widget	none
Gst.Object.deep-notify.prop_object	signal	in	Object	none
Gst.ChildProxy.child-added.object	signal	in	GObject.Object	none
Gst.ChildProxy.child-removed.object	signal	in	GObject.Object	none
Gtk.PrintOperation.create-custom-widget	signal	out	GObject.Object	none
Gtk.TextLayout.allocate-child.object	signal	in	Object	none
Gtk.AccelGroup.accel-activate.acceleratable	signal	in	GObject.Object	none
Gtk.TextTag.event.object	signal	in	GObject.Object	none
Gtk.ActionGroup.connect-proxy.proxy	signal	in	Widget	none
Gtk.ActionGroup.disconnect-proxy.proxy	signal	in	Widget	none
Gtk.Assistant.prepare.page	signal	in	Widget	none
Gtk.Container.add.object	signal	in	Widget	none
Gtk.Container.remove.object	signal	in	Widget	none
Gtk.Container.set-focus-child.object	signal	in	Widget	none
Gtk.HandleBox.child-attached.object	signal	in	Widget	none
Gtk.HandleBox.child-detached.object	signal	in	Widget	none
Gtk.List.select-child.object	signal	in	Widget	none
Gtk.List.unselect-child.object	signal	in	Widget	none
Gtk.Notebook.create-window.page	signal	in	Widget	none
Gtk.Notebook.page-added.child	signal	in	Widget	none
Gtk.Notebook.page-removed.child	signal	in	Widget	none
Gtk.Notebook.page-reordered.child	signal	in	Widget	none
Gtk.PrintOperation.custom-widget-apply.widget	signal	in	Widget	none
Gtk.PrintOperation.update-custom-widget.widget	signal	in	Widget	none
Gtk.TipsQuery.widget-entered.object	signal	in	Widget	none
Gtk.TipsQuery.widget-selected.object	signal	in	Widget	none
Gtk.UIManager.add-widget.widget	signal	in	Widget	none
Gtk.UIManager.connect-proxy.proxy	signal	in	Widget	none
Gtk.UIManager.disconnect-proxy.proxy	signal	in	Widget	none
Gtk.Widget.hierarchy-changed.previous_toplevel	signal	in	Widget	none
Gtk.Widget.parent-set.old_parent	signal	in	Widget	none
Gtk.Window.set-focus.object	signal	in	Widget	none
NMClient.DeviceWifi.access-point-added.ap	signal	in	GObject.Object	none
NMClient.DeviceWifi.access-point-removed.ap	signal	in	GObject.Object	none
NMClient.DeviceWimax.nsp-added.nsp	signal	in	GObject.Object	none
NMClient.DeviceWimax.nsp-removed.nsp	signal	in	GObject.Object	none
NMClient.RemoteSettings.new-connection.object	signal	in	GObject.Object	none
Gio.SocketService.incoming.source_object	signal	in	GObject.Object	none
Gio.ThreadedSocketService.run.source_object	signal	in	GObject.Object	none
Json.Parser.object-end.object	signal	in	Object	none
Json.Parser.object-member.object	signal	in	Object	none
GnomeDesktop.BGCrossfade.finished.window	signal	in	GObject.Object	none
Gladeui.BaseEditor.build-child	signal	out	GObject.Object	None
Gladeui.App.signal-editor-created.signal_editor	signal	in	GObject.Object	none
Gladeui.App.widget-adaptor-registered.adaptor	signal	in	GObject.Object	none
Gladeui.BaseEditor.build-child.gparent	signal	in	GObject.Object	none
Gladeui.BaseEditor.change-type.object	signal	in	GObject.Object	none
Gladeui.BaseEditor.child-selected.gchild	signal	in	GObject.Object	none
Gladeui.BaseEditor.delete-child.gparent	signal	in	GObject.Object	none
Gladeui.BaseEditor.delete-child.gchild	signal	in	GObject.Object	none
Gladeui.BaseEditor.get-display-name.gchild	signal	in	GObject.Object	none
Gladeui.BaseEditor.move-child.gparent	signal	in	GObject.Object	none
Gladeui.BaseEditor.move-child.gchild	signal	in	GObject.Object	none
Gladeui.Project.add-widget.arg1	signal	in	Widget	none
Gladeui.Project.remove-widget.arg1	signal	in	Widget	none
Gladeui.Project.widget-name-changed.arg1	signal	in	Widget	none
Gladeui.Project.widget-visibility-changed.widget	signal	in	Widget	none
Gck.Module.authenticate-object.object	signal	in	Object	none
Soup.Session.connection-created.connection	signal	in	GObject.Object	none
Soup.Session.tunneling.connection	signal	in	GObject.Object	none
Peas.ExtensionSet.extension-added.exten	signal	in	GObject.Object	none
Peas.ExtensionSet.extension-removed.exten	signal	in	GObject.Object	none