widget that received the event
widget-dependent string representation of the event location; e.g. for gtk.tree_view.TreeView, a string representation of gtk.tree_path.TreePath
background area as passed to gtk.cell_renderer.CellRenderer.render
cell area as passed to gtk.cell_renderer.CellRenderer.render
render flags
true if the event was consumed/handled
Passes an activate event to the cell renderer for possible processing. Some cell renderers may use events; for example, gtk.cell_renderer_toggle.CellRendererToggle toggles when it gets a mouse click.