copy entire buffer when there's no selection

0066-copy_button

@@ -16,8 +16,16 @@ copy_button = function(x, y, r)
 			love.graphics.print('copy', p.x+5,p.y+2)
 		end,
 		onpress1 = function()
-			local s = Text.selection(Current_pane.editor_state)
+			local e = Current_pane.editor_state
-			if s then App.set_clipboard(s) end
+			local s = Text.selection(e)
+			if s == nil then
+				-- nothing selected? copy entire editor
+				-- workaround while we have no way to save to file
+				e.selection1 = {line=1, pos=1}
+				e.cursor1 = {line=#e.lines, pos=utf8.len(e.lines[#e.lines].data)+1}
+				s = Text.selection(e)
+			end
+			App.set_clipboard(s)
 		end,
 	})
 	if Overflow_button then