Drag-based content selection technique for touch screen UI
Techniques are disclosed for providing a content selecting mode in electronic touch screen devices. The content may be, for instance, text, graphics, images, files, and/or other consumable content. The user can engage the mode with a combination of gestures and touch points on the touch screen. The combination may include, for example, one or two initial touch points at a desired starting location of the target content, followed by a dragging gesture with two or more touch points moving from that location to the desired end location of the target content, wherein content between the starting and end locations is highlighted or otherwise selected. In one example case, if the initial touch includes multiple touch points then selecting of the target content may commence immediately, while a single initial touch point causes selecting to commence after a brief hold or the addition of another touch point at the starting location.
1. A device, comprising:
a touch screen display for displaying content to a user and allowing user input; and
a user interface including a content selecting mode configured to activate in response to user contact via the touch screen display, the user contact including an initial press and hold touch point that transitions into multiple dragging touch points, the initial press and hold touch point selecting a first piece of displayed content, and the multiple dragging touch points continuing the selection by selecting additional displayed content and targeting a second piece of displayed content, the multiple dragging touch points having a number of touch points different than the initial press and hold touch point, wherein the content selecting mode is configured to cause content between the first and second pieces of content to be selected only after the press and hold touch point transitions into the multiple dragging touch points, the second piece of content corresponding to a location of the multiple dragging touch points, and wherein the selected content remains selected after release of the multiple dragging touch points.
2. The device of claim 1 wherein the content selecting mode is configured to treat the multiple dragging touch points as a navigation gesture in response to those dragging touch points encountering a page break in the content.
3. The device of claim 1 wherein the content selecting mode is further configured to provide a selection action user interface feature to be displayed to the user, the selection action user interface feature being executable on the selected content.
4. The device of claim 1 wherein the first and second pieces of content are included in the selected content.
5. The device of claim 1 wherein at least one of the initial press and hold touch point and/or the multiple dragging touch points are user-configurable with respect to number of touch points.
6. The device of claim 1 wherein the content selecting mode is further configured to cause a selection page count to be displayed on each selected page of the content when multiple pages are selected, the selection page count corresponding to the number of pages included in the selected content and starting at page one.
7. The device of claim 1 wherein the content selecting mode is further configured to cause the selected first piece of displayed content to be highlighted after a user-configurable delay from application of the initial touch point.
8. The device of claim 1 wherein the selected content remains selected until the content selecting mode is affirmatively terminated.
9. The device of claim 1 wherein the initial touch point includes multiple dragging touch points so as to provide a multi-touch cluster, and the content selecting mode is further configured to identify a centroid of the multi-touch cluster, and the piece of content closest to that centroid is initially selected.
10. The device of claim 9 wherein the first piece of displayed content can be changed in response to a mini-drag of the multi-touch cluster, and the initial touch point placement is finalized only after the press and hold touch point transitions into the multiple dragging touch points.
11. The device of claim 1 wherein the device is an eReader device or a tablet computer or a smartphone.
12. A mobile electronic device, comprising:
a touch screen display for displaying content to a user and allowing user input; and
a user interface including a content selecting mode that can be activated in response to user contact via the touch screen display, the user contact including an initial touch point selecting a first piece of displayed content on a first page and that transitions into multiple dragging touch points targeting a second piece of displayed content on a second page, wherein the content selecting mode is configured to treat the multiple dragging touch points as a navigation gesture in response to those multiple dragging touch points encountering a page break in the content of the first page and, to cause content between the first and second pieces of content to be selected only after the press and hold touch point transitions into the multiple dragging touch points, the second piece of content corresponding to a location of the multiple dragging touch points.
13. The device of claim 12 wherein the content selecting mode is further configured to provide a selection action user interface feature to be displayed to the user, the selection action user interface feature being executable on the selected content.
14. The device of claim 12 wherein at least one of the initial touch point and/or the multiple dragging touch points are user-configurable with respect to number of touch points.
15. The device of claim 12 wherein the content selecting mode is further configured to cause a selection page count to be displayed on each selected page of the content when multiple pages are selected, the selection page count corresponding to the number of pages included in the selected content and starting at page one.
16. The device of claim 12 wherein the initial touch point includes a press-and-hold gesture, a diagonal gesture, and/or a circular gesture.
17. A non-transitory computer readable medium encoded with instructions that when executed by one or more processors, cause a content selecting process to be carried out, the process comprising:
in response to user contact via a touch sensitive display device, activating a content selecting mode in the device, the user contact including an initial press and hold touch point selecting a first piece of displayed content and that transitions into multiple dragging touch points targeting a second piece of displayed content, the multiple dragging touch points having a number of touch points different than the initial press and hold touch point; and
continuing selection of content by selecting additional displayed content between the first and second pieces of content only after the press and hold touch point transitions into the multiple dragging touch points, the second piece of content corresponding to a location of the multiple dragging touch points, wherein the selected content remains selected after release of the multiple dragging touch points.
18. The computer readable medium of claim 17 wherein the selected content may traverse one or more page breaks, and wherein the content selecting process further includes treating the multiple dragging touch points as a navigation gesture in response to those dragging touch points encountering a page break in the content.
19. The computer readable medium of claim 17 wherein the content selecting process further includes causing a selection page count to be displayed on each selected page of the content when multiple pages are selected, the selection page count corresponding to the number of pages included in the selected content and starting at page one.
20. The computer readable medium of claim 17 wherein the content selecting process further includes causing the selected first piece of displayed content to be highlighted after a user-configurable delay from application of the initial touch point.