CN103268184A - Method and device for moving text cursor - Google Patents
Method and device for moving text cursor Download PDFInfo
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- CN103268184A CN103268184A CN2013101860918A CN201310186091A CN103268184A CN 103268184 A CN103268184 A CN 103268184A CN 2013101860918 A CN2013101860918 A CN 2013101860918A CN 201310186091 A CN201310186091 A CN 201310186091A CN 103268184 A CN103268184 A CN 103268184A
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Abstract
The invention provides a method and a device for moving a text cursor. The method comprises the steps of obtaining touch information through a touch screen; judging whether the obtained touch information is touch information of multiple points sliding in the same direction; and if the obtained touch information is the touch information of the multiple points sliding in the same direction, moving the text cursor according to the touch information of the multiple points sliding in the same direction Thus, by the aid of the specific multi-point sliding mode, the position of the text cursor in a text to be edited is adjusted dynamically, the text cursor can be moved simply, and the text editing efficiency is high.
Description
Technical field
The present invention relates to touch-screen, relate in particular to a kind of method and device of the mobile text cursor for touch-screen.
Background technology
Existing support touch-screen sense of touch apparatus operating (as mobile phone, panel computer etc.), when needs carry out the text editing operation, normally at first enter the text editing window of editing mode, by clicking the Edit Text for the treatment of in the text editing window, and trigger and treat Edit Text place input text cursor at this, like this, can be the reference position of text editing with the text cursor just, carry out text input or editing operation.
Usually, treat that the font of Edit Text is less, thinking accurately text cursor to be moved to needs editor's position comparatively to bother.The support touch-screen sense of touch apparatus operating that also has, when mobile text cursor, need grow by operation to start and to enter movably state of text cursor, because the long regular hour on demand the text editing window, increase the required time of text editing, reduced text editing efficient.And, if point movement has taken place accidentally by in operating long, then needing to grow again by operation, the maloperation probability is higher.
Summary of the invention
In view of this, fundamental purpose of the present invention is to propose a kind of method of mobile text cursor, reduces the complicacy of mobile text cursor, and improves the efficient of text editing.
Another object of the present invention is to propose a kind of device of mobile text cursor, reduce the complicacy of mobile text cursor, and improve the efficient of text editing.
For achieving the above object, the invention provides a kind of method of mobile text cursor, be used for touch-screen, this method comprises:
Obtain touch information by touch-screen;
Judge whether the touch information obtain is the multiple point touching information of sliding in the same way, if the multiple point touching information of Hua Donging in the same way moves text cursor according to this multiple point touching information of sliding in the same way.
In the method for the mobile text cursor that the present invention is above-mentioned, the described step of obtaining touch information by touch-screen comprises:
Set in advance the touch information update cycle;
Monitoring also determines that finger or felt pen slide along touch-screen, obtains and record touch information according to the touch information update cycle.
In the method for the mobile text cursor that the present invention is above-mentioned, the described touch information that obtains by touch-screen comprises the direction of touch point position, number and slip.
In the method for the mobile text cursor that the present invention is above-mentioned, whether the touch information that described judgement is obtained is that the step of the multiple point touching information of sliding in the same way comprises:
Judge whether the touch information that obtains is multiple point touching information, if multiple point touching information, then monitor the direction of sliding in all touch points respectively, judge according to the direction of sliding in all touch points of monitoring whether described multiple point touching information is the multiple point touching information of sliding in the same way.
In the method for the mobile text cursor that the present invention is above-mentioned, whether the touch information that described judgement is obtained is that the step of multiple point touching information comprises: judge whether the touch information that obtains is the two touch informations that refer to that comprise the first touch point information and the second touch point information.
In the method for the mobile text cursor that the present invention is above-mentioned, it is described after the touch information that judgement is obtained is multiple point touching information, monitor the direction of sliding in all touch points respectively, the direction of sliding according to all touch points of monitoring judges that whether described multiple point touching information be that the step of the multiple point touching information of sliding in the same way comprises:
After the touch information that judgement is obtained is two finger touch informations, according to the unit vector of the first touch point information calculations, first touch point slip of obtaining, according to the unit vector of the second touch point information calculations, second touch point slip of obtaining;
According to the unit vector of sliding in unit vector and second touch point of the slip of first touch point, whether in the same way to judge the glide direction of first touch point and second touch point.
In the method for the mobile text cursor that the present invention is above-mentioned, this method is further comprising the steps of:
Set in advance touch point sliding speed threshold value and the first text cursor translational speed threshold value;
After the multiple point touching information of touch information for slip in the same way that judgement is obtained, the sliding speed of all touch points in the touch information that monitoring is obtained, when the sliding speed of any one touch point during greater than touch point sliding speed threshold value, text cursor moves with the first text cursor translational speed threshold value.
In the method for the mobile text cursor that the present invention is above-mentioned, this method is further comprising the steps of:
Set in advance the second text cursor translational speed threshold value, and the described first text cursor translational speed threshold value is greater than the second text cursor translational speed threshold value;
After the multiple point touching information of touch information for slip in the same way that judgement is obtained, the sliding speed of all touch points in the touch information that monitoring is obtained, when the sliding speed of all touch points during all less than touch point sliding speed threshold value, text cursor moves with the second text cursor translational speed threshold value.
The present invention also provides a kind of device of mobile text cursor, is used for touch-screen, and this device comprises:
The touch information acquisition module is used for obtaining the touch information that the user operates touch-screen by touch-screen; Export the touch information processing module to;
The touch information processing module, be used for judging whether the touch information that the touch information acquisition module obtains is the multiple point touching information of sliding in the same way, if the multiple point touching information of Hua Donging in the same way sends to the text cursor mobile module with the multiple point touching information of sliding in the same way;
The text cursor mobile module moves text cursor according to the multiple point touching information of obtaining of sliding in the same way.
In the device of the mobile text cursor that the present invention is above-mentioned, this device also comprises:
Time block, be used for receiving after the touch information acquisition module obtains the notice of touch information first by touch-screen, carry out timing, when the touch information update cycle that sets in advance finishes, monitor user's operation and do not break away from touch-screen yet, notice touch information acquisition module obtains the touch information that the user operates touch-screen.
As seen from the above technical solutions, the method for a kind of mobile text cursor provided by the invention and device obtain touch information by touch-screen; Judge whether the touch information obtain is the multiple point touching information of sliding in the same way, if the multiple point touching information of Hua Donging in the same way moves text cursor according to this multiple point touching information of sliding in the same way.Like this, by utilizing specific multiple spot sliding type, adjust the position of text cursor in treating Edit Text dynamically, make that the operation of mobile text cursor is more simple, text editing efficient height.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the process flow diagram of embodiment of the method for mobile text cursor of the present invention;
Fig. 2 is first kind of synoptic diagram that uses state of mobile text cursor method of the present invention;
Fig. 3 is second kind of synoptic diagram that uses state of mobile text cursor method of the present invention;
Fig. 4 is the functional module structure synoptic diagram of embodiment of the device of mobile text cursor of the present invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with the accompanying drawings and the specific embodiments.
In the embodiment of the invention, by utilizing specific multiple spot sliding type, adjust the position of text cursor in treating Edit Text dynamically, make that the operation of mobile text cursor is more simple, text editing efficient height.
Fig. 1 is the process flow diagram of embodiment of the method for mobile text cursor of the present invention.Referring to Fig. 1, this flow process comprises:
In this step, touch information can be pressed the information that the seating surface sense of touch is answered touch-screen for user's finger, also can press the information that the seating surface sense of touch is answered touch-screen for felt pen.Preferably, press the position of touch-screen in the text editing window area.
In this step, the touch information of supporting touch-screen sense of touch apparatus operating to obtain by touch-screen comprises the direction of touch point position, number and slip.
In the embodiment of the invention, be called once to a complete operation leaving the touch-screen that the seating surface sense of touch answers and touch from pressing touch-screen that the seating surface sense of touch answers, comprise initial touch information and stop touch information.Certainly, in the practical application, touch information in the middle of can also comprising that is to say, touch information is in the touch process, along with the slip of pointing can change.
In the embodiment of the invention, initial touch information is in user's single job process, the information that touch-screen obtains when pressing touch-screen at first.The concrete implication of single job touch-screen can for instance, if user's two fingers in the time that sets in advance are pressed touch-screen simultaneously, until the touch that breaks away from touch-screen, can be considered the single job touch-screen referring to the correlation technique document.
Preferably, in order to obtain more accurate touch information, can set in advance the touch information update cycle, and the multiple point touching information that triggers is carried out timing; Monitoring also determines that finger or felt pen slide along touch-screen, obtains and record touch information according to the touch information update cycle.
If the touch point number is one, judging that then the touch information that obtains is not the multiple point touching information of sliding in the same way, in the embodiment of the invention, is not the multiple point touching information of sliding in the same way for each touch point, still handle according to prior art, do not repeat them here; If the touch point number, judges then that the touch information that obtains is multiple point touching information greater than one;
If multiple point touching information, then the direction of sliding according to each touch point judges whether this multiple point touching information is the multiple point touching information of sliding in the same way.If the direction difference of sliding in each touch point judges that then this multiple point touching information is not the multiple point touching information of sliding in the same way, and process ends.If the direction of sliding in each touch point is all identical, judge that then this multiple point touching information is the multiple point touching information of sliding in the same way.
Preferably, in order effectively to reduce the user because the maloperation that other reasons causes, after being defined as multiple point touching information, be designated as the start time point of this multiple point touching information with the time point of a plurality of touch points of pressing the touch-screen that the seating surface sense of touch answers simultaneously, be designated as the termination time point of this multiple point touching information with the time point that leaves this touch-screen by any one finger on this touch-screen or felt pen.Be designated as a multiple point touching running time section of this multiple point touching information from the time that the start time point of this multiple point touching information was put to its termination time; In the multiple point touching running time of multiple point touching information section, to light from its zero-time, the time point through an integer touch information update cycle is designated as multiple point touching recording of information time point; At each multiple point touching recording of information time point, obtain and record multiple point touching information.A touch information after any one multiple point touching recording of information time point is in the update cycle, judge all whether multiple point touching information is the multiple point touching information of sliding in the same way, if the multiple point touching information of Hua Donging in the same way, then enter step 103, if not the multiple point touching information of sliding in the same way, process ends.
Particularly, described multiple point touching information can be for comprising two touch informations that refer to of the first touch point information and the second touch point information.After the touch information that judgement is obtained is two finger touch informations, support touch-screen sense of touch apparatus operating to obtain the unit vector of sliding in first touch point according to the first touch point information calculations of obtaining, obtain the unit vector of sliding in second touch point according to the second touch point information calculations of obtaining;
Support the unit vector that touch-screen sense of touch apparatus operating is slided according to unit vector and second touch point of the slip of first touch point again, whether in the same way to judge the glide direction of first touch point and second touch point; If first touch point is identical with the glide direction of second touch point, then judge the multiple point touching information of this multiple point touching information for sliding in the same way, then enter step 103, otherwise process ends.
Further, in order effectively to reduce the user because the maloperation that other reasons causes can also set in advance the sliding vector angle threshold; The angle of the unit vector of sliding in the unit vector of sliding when first touch point and second touch point is during less than the sliding vector angle threshold, can think that then this multiple point touching information is the multiple point touching information of slip in the same way, then enters step 103, otherwise process ends.
Preferably, a touch information after any one multiple point touching recording of information time point all calculates the unit vector of first touch point slip in this touch information update cycle and the unit vector of sliding in second touch point in the update cycle; Judge in the multiple point touching information of this touch information in the update cycle whether be the multiple point touching information of sliding in the same way by support touch-screen sense of touch apparatus operating according to its result again, if multiple point touching information then enters step 103, otherwise process ends.
In this step, on initial touch information that judgement the is obtained basis for the multiple point touching information of sliding in the same way, the unit vector of supporting touch-screen sense of touch apparatus operating to slide with all touch points is determined the direction that text cursor moves, and text cursor is moved along the direction that the text cursor that should determine moves again.
Preferably, the mobile text cursor that leads to errors in order to prevent user misoperation, the direction that text cursor is moved only is made as in the text editing window upwards, four direction downwards, left and to the right, and cursor move angle threshold value is set; On this basis, determine that direction that text cursor moves is the vector of the unit vector of sliding with all touch points and the angle direction less than cursor move angle threshold value.
Further, determining on the basis of text cursor moving direction that this method can also comprise and sets in advance touch point sliding speed threshold value, the first text cursor translational speed threshold value and the second text cursor translational speed threshold value; Wherein the first text cursor translational speed threshold value is greater than the second text cursor translational speed threshold value; And the sliding speed of all touch points in the touch information that obtains of monitoring, when the sliding speed of any one touch point during greater than touch point sliding speed threshold value, then text cursor moves with the first text cursor translational speed threshold value.Otherwise when the sliding speed of all touch points during all less than touch point sliding speed threshold value, then text cursor moves with the second text cursor translational speed threshold value.
Lift two object lessons below, the embodiment of mobile text cursor of the present invention is further described.
Fig. 2 is first kind of synoptic diagram that uses state of mobile text cursor method of the present invention.Referring to Fig. 2, set in advance the sliding vector angle threshold and cursor move angle threshold value is 45 °.Forefinger and middle finger slide in the text editing window of supporting touch-screen sense of touch apparatus operating, and therefore, the touch information that obtains is multiple point touching information.The touch point of forefinger on touch-screen is first touch point, and the touch point of middle finger on touch-screen is second touch point; Obtain the touch information of first touch point and the touch information of second touch point respectively, can obtain the unit vector of sliding in first touch point respectively
And the unit vector of the second touch point slip
The unit vector of sliding in first touch point
Unit vector with the slip of second touch point
Angle less than 45 °, therefore namely less than the sliding vector angle threshold, judge the multiple point touching information of this multiple point touching information for sliding in the same way.The unit vector of sliding in first touch point
Unit vector with the slip of second touch point
Vector and
With in the text editing window left the angle of direction less than 45 °, namely less than cursor move angle threshold value.Therefore, text cursor is moved to the left.
Fig. 3 is second kind of synoptic diagram that uses state of mobile text cursor method of the present invention.Referring to Fig. 3, set in advance the sliding vector angle threshold and cursor move angle threshold value is 45 °, and touch point sliding speed threshold value is set is v0.Forefinger and middle finger slide in the text editing window of supporting touch-screen sense of touch apparatus operating, and therefore, the touch information that obtains is multiple point touching information.The touch point of forefinger on touch-screen is first touch point, and the touch point of middle finger on touch-screen is second touch point; Obtain the touch information of first touch point and the touch information of second touch point respectively, can obtain the unit vector of sliding in first touch point respectively
And the unit vector of the second touch point slip
The unit vector of sliding in first touch point
Unit vector with the slip of second touch point
Angle less than 45 °, therefore namely less than the sliding vector angle threshold, judge the multiple point touching information of this multiple point touching information for sliding in the same way.The unit vector of sliding in first touch point
Unit vector with the slip of second touch point
Vector and
With the angle of upward direction in the text editing window less than 45 °, namely less than cursor move angle threshold value, and first touch point speed of sliding
Namely greater than touch point sliding speed threshold value.Therefore, text cursor is with the first predetermined text cursor translational speed threshold value
Move up.
As seen from the above technical solutions, the method for a kind of mobile text cursor provided by the invention and device obtain touch information; Judge whether the touch information obtain is the multiple point touching information of sliding in the same way, if the multiple point touching information of Hua Donging in the same way moves text cursor according to this multiple point touching information of sliding in the same way.Like this, by utilizing specific multiple spot sliding type, adjust the position of text cursor in treating Edit Text dynamically, make that the operation of mobile text cursor is more simple, text editing efficient height.
Fig. 4 is the functional module structure synoptic diagram of embodiment of the device of mobile text cursor of the present invention.Referring to Fig. 4.This device comprises touch information acquisition module 401, the touch information processing module 402 that electrically connects with this touch information acquisition module 401 respectively and time block 404 and the text cursor mobile module 403 that electrically connects with touch information processing module 402;
Touch information acquisition module 401 is used for obtaining the touch information that the user operates touch-screen by touch-screen; Export touch information processing module 402 to;
Touch information processing module 402, be used for judging whether the touch information that touch information acquisition module 401 obtains is the multiple point touching information of sliding in the same way, if the multiple point touching information of Hua Donging in the same way sends to text cursor mobile module 403 with the multiple point touching information of sliding in the same way;
Text cursor mobile module 403 moves text cursor according to the multiple point touching information of obtaining of sliding in the same way.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection domain of claims of the present invention.
Claims (10)
1. the method for a mobile text cursor is used for touch-screen, it is characterized in that this method comprises:
Obtain touch information by touch-screen;
Judge whether the touch information obtain is the multiple point touching information of sliding in the same way, if the multiple point touching information of Hua Donging in the same way moves text cursor according to this multiple point touching information of sliding in the same way.
2. the method for mobile text cursor according to claim 1 is characterized in that, the described step of obtaining touch information by touch-screen comprises:
Set in advance the touch information update cycle;
Monitoring also determines that finger or felt pen slide along touch-screen, obtains and record touch information according to the touch information update cycle.
3. the method for mobile text cursor according to claim 1 is characterized in that, the described touch information that obtains by touch-screen comprises the direction of touch point position, number and slip.
4. the method for mobile text cursor according to claim 1 is characterized in that, whether the touch information that described judgement is obtained is that the step of the multiple point touching information of sliding in the same way comprises:
Judge whether the touch information that obtains is multiple point touching information, if multiple point touching information, then monitor the direction of sliding in all touch points respectively, judge according to the direction of sliding in all touch points of monitoring whether described multiple point touching information is the multiple point touching information of sliding in the same way.
5. the method for mobile text cursor according to claim 4, it is characterized in that whether the touch information that described judgement is obtained is that the step of multiple point touching information comprises: judge whether the touch information that obtains is the two touch informations that refer to that comprise the first touch point information and the second touch point information.
6. the method for mobile text cursor according to claim 5, it is characterized in that, it is described after the touch information that judgement is obtained is multiple point touching information, monitor the direction of sliding in all touch points respectively, the direction of sliding according to all touch points of monitoring judges that whether described multiple point touching information be that the step of the multiple point touching information of sliding in the same way comprises:
After the touch information that judgement is obtained is two finger touch informations, according to the unit vector of the first touch point information calculations, first touch point slip of obtaining, according to the unit vector of the second touch point information calculations, second touch point slip of obtaining;
According to the unit vector of sliding in unit vector and second touch point of the slip of first touch point, whether in the same way to judge the glide direction of first touch point and second touch point.
7. according to the method for any described mobile text cursor of claim 1-6, it is characterized in that this method is further comprising the steps of:
Set in advance touch point sliding speed threshold value and the first text cursor translational speed threshold value;
After the multiple point touching information of touch information for slip in the same way that judgement is obtained, the sliding speed of all touch points in the touch information that monitoring is obtained, when the sliding speed of any one touch point during greater than touch point sliding speed threshold value, text cursor moves with the first text cursor translational speed threshold value.
8. the method for mobile text cursor according to claim 7 is characterized in that, this method is further comprising the steps of:
Set in advance the second text cursor translational speed threshold value, and the described first text cursor translational speed threshold value is greater than the second text cursor translational speed threshold value;
After the multiple point touching information of touch information for slip in the same way that judgement is obtained, the sliding speed of all touch points in the touch information that monitoring is obtained, when the sliding speed of all touch points during all less than touch point sliding speed threshold value, text cursor moves with the second text cursor translational speed threshold value.
9. the device of a mobile text cursor is used for touch-screen, it is characterized in that this device comprises:
The touch information acquisition module is used for obtaining the touch information that the user operates touch-screen by touch-screen; Export the touch information processing module to;
The touch information processing module, be used for judging whether the touch information that the touch information acquisition module obtains is the multiple point touching information of sliding in the same way, if the multiple point touching information of Hua Donging in the same way sends to the text cursor mobile module with the multiple point touching information of sliding in the same way;
The text cursor mobile module moves text cursor according to the multiple point touching information of obtaining of sliding in the same way.
10. the device of mobile text cursor according to claim 9 is characterized in that, this device also comprises:
Time block, be used for receiving after the touch information acquisition module obtains the notice of touch information first by touch-screen, carry out timing, when the touch information update cycle that sets in advance finishes, monitor user's operation and do not break away from touch-screen yet, notice touch information acquisition module obtains the touch information that the user operates touch-screen.
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Application publication date: 20130828 |