Emitted to insert a GdkPaintable in a GtkTextBuffer.
Insertion actually occurs in the default handler.
Note that if your handler runs before the default handler
it must not invalidate the @location iter (or has to
revalidate it). The default signal handler revalidates
it to be placed after the inserted @paintable.
See also: [method@Gtk.TextBuffer.insert_paintable].
Emitted to insert a GdkPaintable in a GtkTextBuffer.
Insertion actually occurs in the default handler.
Note that if your handler runs before the default handler it must not invalidate the @location iter (or has to revalidate it). The default signal handler revalidates it to be placed after the inserted @paintable.
See also: [method@Gtk.TextBuffer.insert_paintable].