show drag handles when becoming first responder and using attached keyboard for extending selection.
show drag handles when becoming first responder and using attached keyboard for extending selection.

fishermenlabs/DTRichTextEditor,liulinjian/DTRichTextEditor,liulinjian/DTRichTextEditor,programming086/DTRichTextEditor,fishermenlabs/DTRichTextEditor,Cocoanetics/DTRichTextEditor,programming086/DTRichTextEditor