IMPROVED PORTABLE ELECTRONIC APPARATUS AND ASSOCIATED METHOD

摘要

It is presented a portable electronic apparatus comprising: an apparatus housing; a touch-sensitive display provided on a first side surface of the apparatus housing, for use with an input writing tool; a zoom-in key provided on a second side surface, the second side surface being non- parallel to the first side surface; a zoom-out key provided on the second side surface; and a controller. The portable electronic apparatus is capable of displaying content on the touch-sensitive display, wherein displayed content is a subset of available content; the controller is configured to zoom in on displayed content on the touch-sensitive display in response to an actuation of the zoom-in key; the controller is configured to zoom out on displayed content on the touch-sensitive display in response to an actuation of the zoom-out key; and the controller is configured to pan available content on the touch-sensitive display in response to a combination of a tap of the writing tool in a first position on the touch-sensitive display and a move of the writing tool to a second position on the touch-sensitive display. A corresponding user interface method and computer program product are also presented.