| 摘要 |
<p>The disclosed information describes a method, system, and computer-readable medium for performing direct manipulation of displayed content (e.g., dragging the displayed content in a particular direction or dragging a particular part of the displayed content). In particular, content is displayed to a user, and a variety of direct manipulations of the displayed content are provided to allow the user to modify display of the content without the use of separate displayed content manipulation controls. The disclosed direct manipulation techniques are used to modify the display of content by altering the value of a content properties affecting the display. Such properties can include an amplitude affecting the size or level with which the information is presented (e.g., a volume level at which audio information is played, or a size at which visual information is displayed), an information history property that refers to a series of distinct groups of information that are related to each other over time, and a channel property that can specify one of multiple alternate groups of information that can be displayed. When the user selects the displayed content and performs a direct manipulation of the content, the value of a corresponding property is modified accordingly, and the display of the content is updated to reflect the new value of the property. Also, the user can map what direct manipulations correspond to what properties.</p> |
