Extracted from Pike v7.8 release 866 at 2016-11-06.
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GTK
GTK.Widget

Methods
 activate()
 add_accelerator()
 add_events()
 allocation()
 class_path()
 copy_area()
 drag_dest_set()
 drag_dest_unset()
 drag_get_data()
 drag_highlight()
 drag_source_set()
 drag_source_set_icon()
 drag_source_unset()
 drag_unhighlight()
 ensure_style()
 get_composite_name()
 get_events()
 get_extension_events()
 get_gdkwindow()
 get_name()
 get_parent()
 get_style()
 get_toplevel()
 grab_default()
 grab_focus()
 has_set_flags()
 hide()
 hide_all()
 intersect()
 is_ancestor()
 lock_accelerators()
 map()
 path()
 popup()
 queue_clear()
 queue_clear_area()
 queue_draw()
 queue_draw_area()
 queue_resize()
 realize()
 remove_accelerator()
 reparent()
 reset_rc_styles()
 restore_default_style()
 selection_add_target()
 selection_owner_set()
 selecton_convert()
 set_app_paintable()
 set_background()
 set_bitmap_cursor()
 set_composite_name()
 set_cursor()
 set_events()
 set_extension_events()
 set_flags()
 set_name()
 set_rc_style()
 set_scroll_adjustments()
 set_sensitive()
 set_state()
 set_style()
 set_uposition()
 set_usize()
 shape_combine_mask()
 show()
 show_all()
 show_now()
 text_width()
 unlock_accelerators()
 unmap()
 unparent()
 unrealize()
 unset_flags()
 xoffset()
 xsize()
 yoffset()
 ysize()
previousGTK.Widget()->restore_default_style()
GTK.Widget()->selection_owner_set()next

Method GTK.Widget()->selection_add_target()

Method selection_add_target

GTK.Widget selection_add_target(GDK.Atom|void selection, GDK.Atom|void target, int|void info)

Description

Supplying the selection is a bit more complicated than requesting it. You must register handlers that will be called when your selection is requested. For each selection/target pair you will handle, you make a call to this function.

selection, and target identify the requests this handler will manage. When a request for a selection is received, the "selection_get" signal will be called. info can be used as an enumerator to identify the specific target within the callback function.

Selection defaults to PRIMARY, and target defaults to STRING.