METHOD FOR CONTROLLING A TOUCH SCREEN USER INTERFACE AND DEVICE THEREOF

• US 20070109275A1
• Filed: 10/19/2006
• Published: 05/17/2007
• Est. Priority Date: 11/16/2005
• Status: Abandoned Application

• Current Assignee: MediaTek, Inc.
• Original Assignee: MediaTek, Inc.
• Inventors: Chuang, Chen-Ting
• Application Number:
  US11/550,807
• Publication Number:
  US 20070109275A1
• Time in Patent Office: Days
• US Class Current: 345/173
• CPC Class Codes: G06F 3/0488 using a touch-screen or digitiser, e.g. input of commands through traced gestures

Abstract

A method for controlling a touch screen user interface is disclosed. The method includes receiving a plurality of touch screen events; selectively discarding at least one of successive discardable touch screen events; translating non-discarded touch screen events into a plurality of screen update commands; and processing the screen update commands to control the touch screen user interface.

Claims

1. A method for controlling a touch screen user interface, the method comprising:

receiving a plurality of touch screen events;

selectively discarding at least one of successive discardable touch screen events of the touch screen events;

translating non-discarded touch screen events into a plurality of screen update commands; and

processing the screen update commands to control the touch screen user interface.

2. The method of claim 1, wherein all of the successive discardable touch screen events in the touch screen events generated from the touch screen user interface are independent events.

3. The method of claim 1, wherein the successive discardable touch screen events are pen-move events.

4. The method of claim 1, further comprising:

assigning each of the screen update commands a priority according to a user interface element displayed on the touch screen user interface.

5. The method of claim 4, wherein a screen update command corresponding to a movable user interface element is assigned with a priority higher than a screen update command corresponding to a non-movable user interface element.

6. The method of claim 5, wherein the non-movable user interface element is controlled by the movable user interface element, and the step of processing the screen update commands to control the touch screen user interface comprises:

aborting the processing of the screen update command corresponding to the non-movable user interface element when the screen update command corresponding to the movable user interface element is processed.

7. The method of claim 6, wherein the movable user interface element is a scroll bar, and the non-movable user interface element is a display area associated with the scroll bar.

8. The method of claim 4, wherein the step of assigning a priority to each of the screen update commands comprises:

assigning each of the screen update commands a priority according to the proximity of a current screen position of a touch screen event associated with the screen update command;

wherein a user interface element displayed on the touch screen user interface will be updated according to the screen update command.

9. The method of claim 8, wherein a screen update command corresponding to a movable user interface element is assigned with a priority higher than a screen update command corresponding to a non-movable user interface element.

10. The method of claim 4, wherein the step of processing the screen update commands to control the touch screen user interface comprises:

delaying the processing of the screen update commands according to corresponding priorities.

11. The method of claim 10, wherein the step of processing the screen update commands to control the touch screen user interface further comprises:

aborting the processing of a delayed screen update command when a new screen update command of the same type is generated.

12. The method of claim 11, wherein the step of processing the screen update commands to control the touch screen user interface further comprises:

selectively changing a delay of the processing of the new screen update command.

13. The method of claim 1, wherein the touch screen events are pen-up events or pen-down events or pen-move events.

14. A method for controlling a touch screen user interface, the method comprising:

receiving a plurality of touch screen events;

translating the touch screen events into a plurality of screen update commands, and assigning each of the screen update commands a priority according to a user interface element displayed on the touch screen user interface; and

processing the screen update commands to control the touch screen user interface according to corresponding priorities.

15. The method of claim 14, wherein a screen update command corresponding to a movable user interface element is assigned with a priority higher than a screen update command corresponding to a non-movable user interface element.

16. The method of claim 15, wherein the non-movable user interface element is controlled by the movable user interface element, and the step of processing the screen update commands to control the touch screen user interface comprises:

aborting the processing of the screen update command corresponding to the non-movable user interface element when the screen update command corresponding to the movable user interface element is processed.

17. The method of claim 16, wherein the movable user interface element is a scroll bar, and the non-movable user interface element is a display area associated with the scroll bar.

18. The method of claim 14, wherein the step of assigning a priority to each of the screen update commands comprises:

assigning each of the screen update commands a priority according to the proximity of a current screen position of a touch screen event associated with the screen update command and a user interface element displayed on the touch screen user interface that will be updated according to the screen update command.

19. The method of claim 18, wherein a screen update command corresponding to a movable user interface element is assigned with a priority higher than a screen update command corresponding to a non-movable user interface element.

20. The method of claim 14, wherein the step of processing the screen update commands to control the touch screen user interface comprises:

delaying the processing of the screen update commands according to corresponding priorities.

21. The method of claim 20, wherein the step of processing the screen update commands to control the touch screen user interface further comprises:

aborting the processing of a delayed screen update command when a new screen update command of the same type is generated.

22. The method of claim 21, wherein the step of processing the screen update commands to control the touch screen user interface further comprises:

selectively changing a delay of the processing of the new screen update command.

23. A device for controlling a touch screen user interface, the device comprising:

an event converter for receiving a plurality of touch screen events and selectively discarding at least one of successive discardable touch screen events of the touch screen events;

a memory, coupled to the event converter, for buffering non-discarded touch screen events outputted from the event converter;

an event controller, coupled to the memory, for translating the non-discarded touch screen events into a plurality of screen update commands, and processing the screen update commands to control the touch screen user interface.

24. The device of claim 23, wherein all of the successive discardable touch screen events in the touch screen events generated from the touch screen user interface are independent events.

25. The device of claim 23, wherein the successive discardable touch screen events are pen-move events.

26. The device of claim 23, where the event controller further assigns each of the screen update commands a priority according to a user interface element displayed on the touch screen user interface.

27. The device of claim 26, wherein a screen update command corresponding to a movable user interface element is assigned with a priority higher than a screen update command corresponding to a non-movable user interface element.

28. The device of claim 27, wherein the non-movable user interface element is controlled by the movable user interface element, and the event controller further aborts the processing of the screen update command corresponding to the non-movable user interface element when the screen update command corresponding to the movable user interface element is processed.

29. The device of claim 28, wherein the movable user interface element is a scroll bar, and the non-movable user interface element is a display area associated with the scroll bar.

30. The device of claim 26, wherein the event controller assigns each of the screen update commands a priority according to the proximity of a current screen position of a touch screen event associated with the screen update command and a user interface element displayed on the touch screen user interface that will be updated according to the screen update command.

31. The device of claim 30, wherein a screen update command corresponding to a movable user interface element is assigned with a priority higher than a screen update command corresponding to a non-movable user interface element.

32. The device of claim 26, wherein the event controller further delays the processing of the screen update commands according to corresponding priorities.

33. The device of claim 32, wherein the event controller further aborts the processing of at least a delayed screen update command when a new screen update command of the same type is generated.

34. The device of claim 33, wherein the event controller further selectively changes a delay of the processing of the new screen update command.

35. The device of claim 26, wherein the touch screen events are pen-up events or pen-down events or pen-move events.

36. A device for controlling a touch screen user interface, the device comprising:

an event converter for receiving a plurality of touch screen events;

a memory, coupled to the event converter, for buffering the touch screen events outputted from the event converter; and

an event controller, coupled to the memory, for selectively discarding at least one of successive discardable touch screen events received from the memory, translating non-discarded touch screen events into a plurality of screen update commands, and processing the screen update commands to control the touch screen user interface.

37. The device of claim 36, wherein all of the successive discardable touch screen events in the touch screen events generated from the touch screen user interface are independent events.

38. The device of claim 36, wherein the successive discardable touch screen events are pen-move events.

39. The device of claim 36, wherein the event controller further assigns each of the screen update commands a priority according to a user interface element displayed on the touch screen user interface.

40. The device of claim 39, wherein a screen update command corresponding to a movable user interface element is assigned with a priority higher than a screen update command corresponding to a non-movable user interface element.

41. The device of claim 40, wherein the non-movable user interface element is controlled by the movable user interface element, and the event controller further aborts the processing of the screen update command corresponding to the non-movable user interface element when the screen update command corresponding to the movable user interface element is processed.

42. The device of claim 41, wherein the movable user interface element is a scroll bar, and the non-movable user interface element is a display area associated with the scroll bar.

43. The device of claim 39, wherein the event controller assigns each of the screen update commands a priority according to the proximity of a current screen position of a touch screen event associated with the screen update command and a user interface element displayed on the touch screen user interface that will be updated according to the screen update command.

44. The device of claim 43, wherein a screen update command corresponding to a movable user interface element is assigned with a priority higher than a screen update command corresponding to a non-movable user interface element.

45. The device of claim 39, wherein the event controller further delays the processing of the screen update commands according to corresponding priorities.

46. The device of claim 45, wherein the event controller further aborts the processing of at least a delayed screen update command when a new screen update command of the same type is generated.

47. The device of claim 46, wherein the event controller further selectively changes a delay of the processing of the new screen update command.

48. The device of claim 36, wherein the touch screen events are pen-up events or pen-down events or pen-move events.

49. A device for controlling a touch screen user interface, the device comprising:

an event converter, for receiving a plurality of touch screen events;

a memory, coupled to the event converter, for buffering the touch screen events; and

an event controller, coupled to the memory, for translating the touch screen events into a plurality of screen update commands, assigning each of the screen update commands a priority according to a user interface element displayed on the touch screen user interface, and processing the screen update commands to control the touch screen user interface according to corresponding priorities.

50. The device of claim 49, wherein a screen update command corresponding to a movable user interface element is assigned with a priority higher than a screen update command corresponding to a non-movable user interface element.

51. The device of claim 49, wherein the event controller assigns each of the screen update commands a priority according to the proximity of a current screen position of a touch screen event associated with the screen update command and a user interface element displayed on the touch screen user interface that will be updated according to the screen update command.

52. The device of claim 51, wherein a screen update command corresponding to a movable user interface element is assigned with a priority higher than a screen update command corresponding to a non-movable user interface element.

53. The device of claim 52, wherein the non-movable user interface element is controlled by the movable user interface element, and the event controller further aborts the processing of the screen update command corresponding to the non-movable user interface element when the screen update command corresponding to the movable user interface element is processed.

54. The device of claim 53, wherein the movable user interface element is a scroll bar, and the non-movable user interface element is a display area associated with the scroll bar.

55. The device of claim 49, wherein the event controller further delays the processing of the screen update commands according to corresponding priorities.

56. The device of claim 55, wherein the event controller further aborts the processing of a delayed screen update command when a new screen update command of the same type is generated.

57. The device of claim 56, wherein the event controller further selectively changes a delay of the processing of the new screen update command.