public void RegisterActions(Gtk.Application app, GLib.Menu menu)
{
app.AddAccelAction(Undo, "<Primary>Z");
menu.AppendItem(Undo.CreateMenuItem());
app.AddAccelAction(Redo, new[] { "<Primary><Shift>Z", "<Ctrl>Y" });
menu.AppendItem(Redo.CreateMenuItem());
var paste_section = new GLib.Menu();
menu.AppendSection(null, paste_section);
app.AddAccelAction(Cut, "<Primary>X");
paste_section.AppendItem(Cut.CreateMenuItem());
app.AddAccelAction(Copy, "<Primary>C");
paste_section.AppendItem(Copy.CreateMenuItem());
app.AddAccelAction(CopyMerged, "<Primary><Shift>C");
paste_section.AppendItem(CopyMerged.CreateMenuItem());
app.AddAccelAction(Paste, "<Primary>V");
paste_section.AppendItem(Paste.CreateMenuItem());
app.AddAccelAction(PasteIntoNewLayer, "<Primary><Shift>V");
paste_section.AppendItem(PasteIntoNewLayer.CreateMenuItem());
app.AddAccelAction(PasteIntoNewImage, "<Primary><Alt>V");
paste_section.AppendItem(PasteIntoNewImage.CreateMenuItem());
var sel_section = new GLib.Menu();
menu.AppendSection(null, sel_section);
app.AddAccelAction(SelectAll, "<Primary>A");
sel_section.AppendItem(SelectAll.CreateMenuItem());
app.AddAccelAction(Deselect, new[] { "<Primary><Shift>A", "<Ctrl>D" });
sel_section.AppendItem(Deselect.CreateMenuItem());
var edit_sel_section = new GLib.Menu();
menu.AppendSection(null, edit_sel_section);
app.AddAccelAction(EraseSelection, "Delete");
edit_sel_section.AppendItem(EraseSelection.CreateMenuItem());
app.AddAccelAction(FillSelection, "BackSpace");
edit_sel_section.AppendItem(FillSelection.CreateMenuItem());
app.AddAccelAction(InvertSelection, "<Primary>I");
edit_sel_section.AppendItem(InvertSelection.CreateMenuItem());
var palette_section = new GLib.Menu();
menu.AppendSection(null, palette_section);
var palette_menu = new GLib.Menu();
menu.AppendSubmenu(Translations.GetString("Palette"), palette_menu);
app.AddAction(LoadPalette);
palette_menu.AppendItem(LoadPalette.CreateMenuItem());
app.AddAction(SavePalette);
palette_menu.AppendItem(SavePalette.CreateMenuItem());
app.AddAction(ResetPalette);
palette_menu.AppendItem(ResetPalette.CreateMenuItem());
app.AddAction(ResizePalette);
palette_menu.AppendItem(ResizePalette.CreateMenuItem());
}