CN102955590A - Device and method for positioning cursor displayed on touch screen - Google Patents
Device and method for positioning cursor displayed on touch screen Download PDFInfo
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- CN102955590A CN102955590A CN2011102389754A CN201110238975A CN102955590A CN 102955590 A CN102955590 A CN 102955590A CN 2011102389754 A CN2011102389754 A CN 2011102389754A CN 201110238975 A CN201110238975 A CN 201110238975A CN 102955590 A CN102955590 A CN 102955590A
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Abstract
The invention provides a device and a method for positioning a cursor displayed on a touch screen. The method includes: acquiring coordinates of multiple touch points on the touch screen; calculating the average value of the coordinates of the multiple touch points; and positioning the cursor at a position, corresponding to the average value of the coordinates of the multiple touch points, on the touch screen. By the aid of the device and the method, a user can position the cursor on the touch screen by means of multi-point touch on the touch screen. The method and the device prevent fingers of the user from shielding a cursor positioning area when the user clicks the touch screen, operations can be more direct, no assistance tool is needed, operations are facilitated for the user, and user experience is improved.
Description
Technical field
The application relates to the method and apparatus that cursor that touch-screen is shown positions.
Background technology
Current, touch screen technology is widespread use on mobile phone and dull and stereotyped apparatus such as computer, has brought brand-new user to experience to the user.Utilize the touch-screen of supporting multiple point touching, system can catch a plurality of points that the user touches simultaneously on screen, and this touch-screen more and more is subject to the user and welcomes owing to its feature richness, easy operating, has become topmost touch-screen display medium.
Usually, by finger point touching screen the cursor on the touch-screen is positioned.Particularly, the position that the user is shielded with the finger point touching, touch-screen can be caught the zone that the user clicks, then determine the central point of user's click on area, and with the positional information of this central point (as, the transverse and longitudinal coordinate figure) send application program to, application program is determined the position of cursor on touch-screen in conjunction with position and the character duration of literal.
Yet, be that the cursor location is often inaccurate, often can cause error, is positioned on the wrong position based on the shortcoming of the conventional cursor localization method of touch-screen.This problem is mainly owing to following 2 reasons cause.
At first, the literal of inputting on the touch-screen is too small, and comparatively speaking, it is excessive that finger is clicked area, and the cursor position location of the central point of user's click on area and user expectation easily produces error like this.Shown in Figure 1A, in finger overlay area 10 a plurality of points that can be used as the cursor input are arranged.In operation, easily because the impact of the factors such as the contact angle of finger and contact area, cause the central point of user's click on area of identifying to take back or take over, the user's click on area 11 and 12 as shown in Figure 1B and Fig. 1 C.
Secondly, the user is with finger point touching screen the time, finger has sheltered from click on area (namely, the zone that needs accurate positioning cursor), thereby so that the user can't observe this zone when clicking, this is unfavorable for the accurate location of cursor very much, also so that the user can't adjust the position of cursor in real time.
In order to address the above problem, in some systems based on touch-screen (for example smart mobile phone), provide aid to help adjust the location of cursor.
Wherein a kind of aid is, utilizes the auxiliary location of adjusting cursor of vernier.Particularly, the user is behind the point touching screen, a vernier can appear in the cursor below of Primary Location, vernier is suitable with user's click on area area at the area that touches screen display, the user can be with finger by on vernier, adjust vernier by moveable finger on touch-screen, thereby it is mobile together to drive cursor, to realize accurate location.But the problem of this method is, needs the user to carry out secondary and clicks, and increased the complexity of operation, and vernier only can show a period of time, needs the user to carry out in time secondary and clicks.
Another aid is to utilize and amplify the location that picture frame help user adjusts cursor.Particularly, when operation, the user is at the long touch-screen of pressing of click on area, can on touch-screen, one of the other demonstration of click on area amplify picture frame, the amplification picture frame will be pointed click on area and carry out the part amplification, and the user can be with reference to amplifying picture frame moveable finger on touch-screen, so that cursor is carried out running fix.But the problem of this method is, need to press touch-screen with the head of a household, and to wait for that amplifying picture frame occurs, the latency delays time has been destroyed the operation continuity, has reduced user's experience.
Summary of the invention
When point touching shields, point and blocked the cursor locating area in order to solve the user, thereby affected the problem of the definite position of light standard, according to the application's one side, the method that provides a kind of cursor that touch-screen is shown to position comprises: the coordinate that obtains a plurality of touch points on the touch-screen; Calculate the mean value of the coordinate of described a plurality of touch points; And position corresponding to mean value that positions a cursor over the coordinate of described a plurality of touch points at described touch-screen.
According to the application on the other hand, the device that provides a kind of cursor that touch-screen is shown to position comprises: acquiring unit, obtain the coordinate of a plurality of touch points on the touch-screen; Computing unit calculates the mean value of the coordinate of described a plurality of touch points that described acquiring unit obtains; And positioning unit, position a cursor over the position corresponding to mean value of the coordinate of described a plurality of touch points at described touch-screen.
The method and apparatus that utilizes the application to provide, the user can position cursor on touch-screen by touch-screen is carried out multiple point touching.The method and device can be demarcated the zone, position by shading light so that the user when point touching shields, points, make operation more directly perceived, and without any need for aid, have made things convenient for user's operation, have promoted user's experience.
Description of drawings
Figure 1A to Fig. 1 C shows and clicks the schematic diagram that touch-screen positions cursor in the prior art;
Fig. 2 is the process flow diagram of the method that positions according to the cursor that embodiment of the application shows touch-screen;
The schematic diagram of the application's embodiment when Fig. 2 A to Fig. 2 C shows and is two in the touch point;
Fig. 3 is the process flow diagram of the method that positions according to the cursor that another embodiment of the application shows touch-screen;
The schematic diagram of the application's embodiment when Fig. 3 A to Fig. 3 C shows and is two in the touch point;
Fig. 4 is the process flow diagram of the method that positions according to the cursor that another embodiment of the application shows touch-screen;
Fig. 5 schematically shows the device that the cursor that touch-screen shown according to embodiment of the application positions;
Fig. 6 schematically shows the device that the cursor that touch-screen shown according to another embodiment of the application positions; And
Fig. 7 schematically shows the device that the cursor that touch-screen shown according to another embodiment of the application positions.
Embodiment
With reference to the accompanying drawings the embodiment according to the application is described in detail.
Fig. 2 is the process flow diagram of the method that positions according to the cursor that embodiment of the application shows touch-screen.
As shown in Figure 2, in step S10, at first obtain the coordinate of a plurality of touch points on the touch-screen.Particularly, based on the touch-screen of supporting multiple point touching, the user can click touch-screen simultaneously in a plurality of positions.At this moment, obtain the coordinate of a plurality of touch points on the touch-screen.Resulting coordinate is normally a plurality of several right.Be appreciated that alleged " touch point " is not a single point usually here, but the touch area that is consisted of by a plurality of points.The coordinate of the touch point that obtains in this case, can be the coordinate of the central point of each touch area.According to the application's a embodiment, shown in Fig. 2 A, the user has clicked two zones 20 and 30 at touch-screen, and the coordinate that obtains by step S 10 should be the coordinate (x of the central point in zone 20
1, y
1) and the coordinate (x of zone 30 central point
2, y
2).If the touch point is more than two, then also retrievable coordinate can be designated as (x successively
3, y
3), (x
4, y
4) etc.
Then, in step S20, calculate the mean value of the coordinate of a plurality of touch points that obtained by step S10.It will be understood by those skilled in the art that the mean value of the coordinate of said a plurality of touch points here be coordinate Calculation according to the touch point obtain for example be several right coordinate figures.Still take two touch points shown in Fig. 2 A as example, then can calculate the intermediate point (x of two touch areas 20 and 30 by step S20
1, y
1) and (x
2, y
2) the average coordinates value be ((x
1+ x
2)/2, (y
1+ y
2)/2), be this mid point of 2.If the touch point is three, the average coordinates value that then calculates by step S20 is ((x
1+ x
2+ x
3)/3, (y
1+ y
2+ y
3)/3).By that analogy.
In step S30, the mean value of the coordinate of a plurality of touch points that calculate according to step S20 positions a cursor over the position corresponding to mean value of the coordinate of a plurality of touch points.For example, can be in conjunction with position and the width of shown character on the touch-screen, position a cursor over this average coordinates and be worth position on the corresponding touch-screen.According to the application's a embodiment, the number of touch point is two, shown in Fig. 2 B and Fig. 2 C, cursor C is positioned at the position of the intermediate point of these two touch points on touch-screen by step S30.Be appreciated that the relative position relation between two touch points shown in Fig. 2 B and Fig. 2 C only is exemplary, in this application, the relative position between each touch point is not limited.
With reference to Fig. 2 B and Fig. 2 C, as seen, the method that the cursor that touch-screen is shown that utilizes the application to provide positions, the user can be by carrying out multiple point touching to touch-screen, so that cursor is positioned.In the process that touches the location, the zone of position can shading light not be demarcated in the touch area, so that user's operation is more directly perceived, and without any need for aid, has made things convenient for user's operation, has promoted user's experience.
On the basis of embodiment shown in Figure 2, but repeated execution of steps S10 to S30, like this, at least one touch point in a plurality of touch points is when touch-screen moves, can again obtain the coordinate after move each touch point, by calculating mobile recoil target mean value, can reorientate cursor at touch-screen.That is to say, after the user finds by multiple point touching, locate when inaccurate at the cursor that touches screen display, can be by in mobile a plurality of touch points one or more, adjust the location of cursor.The method that provides according to the application can be by the continuous execution in step of certain frequency S10 to S30, thereby so that the cursor that is presented on the touch-screen move along with the movement of touch point, until the cursor position of user's expectation.According to the application's a embodiment, with the frequency repeated execution of steps S10 to S30 of per second 5-1000 time.According to another embodiment of the application, the frequency of repeated execution of steps S10 to S30 is per second 10-500 time.According to another embodiment of the application, the frequency of repeated execution of steps S10 to S30 is per second 50-200 time.
Fig. 3 is the process flow diagram of the method that positions according to the cursor that another embodiment of the application shows touch-screen.
In the description below in conjunction with Fig. 3, for the sake of brevity, omitted the detailed description to embodiment shown in Figure 3 and embodiment same section shown in Figure 2.
As shown in Figure 3, after execution of step S30, in step S40, judge whether the touch signal of a plurality of touch points all disappears.If all disappear, illustrate that the user has finished the cursor position fixing process, then finish.If touch signal does not disappear, illustrate that the user still carrying out cursor position fixing process (that is, still by mobile touch point cursor being reorientated), then returns step S10.
Because the user is after multiple spot is clicked touch-screen, the touch area can't shading light target viewing area, therefore, has made things convenient for the user to reorientate cursor by mobile touch point.
The schematic diagram of the application's embodiment when Fig. 3 A to Fig. 3 C shows and is two in the touch point.Shown among Fig. 3 A and Fig. 3 B any, it is the zone 20 and 30 shown in the dotted portion that the user is initially at the touch area of clicking on the touch-screen, and by step S10 to S30, cursor C locates at touch-screen.If the user need to adjust the location of cursor, at least one in removable two touch areas.Shown among Fig. 3 A and Fig. 3 B any, the touch area moves to 20 ' and 30 ' from 20 and 30, and then by step S10 to S30, cursor C has moved to the position of C ' at touch-screen.
If the user is in mobile two touch points only, shown in Fig. 3 C, the user moves to 20 ' with touch area 20, and touch area 30 is not moved, and then cursor moves to position C ' from position C and locates.In this case, the displacement of cursor position is half of displacement of touch area central point, and this is more conducive to the intense adjustment of cursor position.The number that is appreciated that the touch point that user's cursor is located is more, more is conducive to the intense adjustment of cursor position.
Fig. 4 is the process flow diagram of the method that positions according to the cursor that another embodiment of the application shows touch-screen.For the sake of brevity, omitted detailed description to embodiment shown in Figure 4 and embodiment same section shown in Figure 2.As shown in Figure 4, between step S10 and S20, has step S15.In step S15, judge that the number of user in the touch point that touch-screen is clicked is one or is at least two.If the number of touch point is one, then need not execution in step S20 and S30, and with direct execution in step S30 ', position a cursor over the position corresponding to coordinate of this touch point.Like this, can either carry out user's multiple point touching positioning action, also can meet the original operating habit that cursor is positioned by single touch point of user.
It will be understood by those skilled in the art that in the embodiment that also step S15 can be added as shown in Figure 3, will no longer describe in detail at this.
Fig. 5 schematically shows the device that the cursor that touch-screen shown according to embodiment of the application positions.
As shown in Figure 5, the device 100 that positions according to the cursor that touch-screen is shown of an embodiment of the application comprises acquiring unit 110, computing unit 120 and positioning unit 130.Acquiring unit 110 is used for obtaining the user at the coordinate of a plurality of touch points that touch-screen is clicked, and the coordinate that obtains is provided to computing unit 120.Computing unit 120 calculates the mean value of the coordinate of a plurality of touch points that acquiring units 110 obtain, and this mean value is provided to positioning unit 130.Positioning unit 130 positions a cursor over the average coordinates that calculates with computing unit 120 on the touch-screen and is worth corresponding position.
Fig. 6 schematically shows the device that the cursor that touch-screen shown according to another embodiment of the application positions.In the description below in conjunction with Fig. 6, for the sake of brevity, omitted the detailed description to embodiment shown in Figure 6 and embodiment same section shown in Figure 5.
As shown in Figure 6, the device 100 ' that positions according to the cursor that touch-screen is shown of an embodiment of the application comprises acquiring unit 110, computing unit 120, positioning unit 130 and trigger element 140.Trigger element 140 repeatedly triggers the coordinate that acquiring unit 110 obtains a plurality of touch points on the touch-screen, until the touch signal of a plurality of touch points all disappears.That is to say, trigger element 140 constantly makes acquiring unit 110 obtain coordinate figure, so that positioning unit 130 constantly positions cursor on touch-screen according to the average coordinates value that computing unit 120 calculates.
According to the application's a embodiment, trigger element 140 triggers acquiring unit 110 with the frequency of per second 5-1000 time.According to another embodiment of the application, trigger element 140 triggers acquiring unit 110 with the frequency of per second 10-500 time.According to another embodiment of the application, trigger element 140 triggers acquiring unit 110 with the frequency of per second 50-200 time.
Fig. 7 schematically shows the device that the cursor that touch-screen shown according to another embodiment of the application positions.In the description below in conjunction with Fig. 7, for the sake of brevity, omitted the detailed description to embodiment shown in Figure 7 and embodiment same section shown in Figure 5.
As shown in Figure 7, the device 100 that positions according to the cursor that touch-screen is shown of an embodiment of the application " comprise acquiring unit 110, computing unit 120, positioning unit 130 and counting unit 150.Counting unit 150 judges that the number of user in the touch point that touch-screen is clicked is one or is at least two.If the number of touch point is one, then counting unit 150 offers positioning unit 130 with the coordinate of this touch point, makes positioning unit 130 position a cursor over position corresponding with the coordinate of this touch point on the touch-screen.
It will be understood by those skilled in the art that in the embodiment that also counting unit 150 can be added as shown in Figure 6, will no longer describe in detail at this.
The coordinate that is appreciated that the touch point described in the application can be in the cartesian coordinate system the coordinate figure number to the coordinate figure number in, the polar coordinates to or the coordinate figure number of other arbitrary system right.
The method and apparatus that the cursor that touch-screen is shown that the application provides positions is based on the touch-screen of supporting multiple point touching, and it can be used for any application program that need to position cursor of copy editor's program, operating system and other.
Although the application utilizes foregoing description and embodiment to specify, the application is not so limited.The application's protection domain is limited by the claim in the appended claims, anyly is equal to replacement to what technical characterictic in the claim carried out, all should belong to the application's limited range.
Claims (10)
1. method that the cursor that touch-screen is shown positions comprises:
A. obtain the coordinate of a plurality of touch points on the touch-screen;
B. calculate the mean value of the coordinate of described a plurality of touch points; And
C. position a cursor over the position corresponding to mean value of the coordinate of described a plurality of touch points at described touch-screen.
2. the method for claim 1 also comprises:
D. repeating said steps a-c is with according at least one running fix cursor in described a plurality of touch points.
3. method as claimed in claim 2, wherein, with the frequency repeating said steps a-c of per second 5-1000 time, until the touch signal of described a plurality of touch points all disappears.
4. method as claimed in claim 1 or 2, wherein, the number of described a plurality of touch points is two.
5. method as claimed in claim 1 or 2 also comprises:
After step a, before the step b, judge whether the number of described a plurality of touch points is one, if so, then position a cursor over the position corresponding to coordinate of this touch point.
6. device that the cursor that touch-screen is shown positions comprises:
Acquiring unit obtains the coordinate of a plurality of touch points on the touch-screen;
Computing unit calculates the mean value of the coordinate of described a plurality of touch points that described acquiring unit obtains; And
Positioning unit positions a cursor over the position corresponding to mean value of the coordinate of described a plurality of touch points at described touch-screen.
7. device as claimed in claim 6 also comprises:
Trigger element, the described acquiring unit of repeated trigger obtains the coordinate of a plurality of touch points on the touch-screen, until the touch signal of described a plurality of touch points all disappears.
8. device as claimed in claim 7, wherein, described trigger element triggers described acquiring unit with the frequency of per second 5-1000 time.
9. such as claim 6 or 7 described devices, wherein, the number of described a plurality of touch points is two.
10. such as claim 6 or 7 described devices, also comprise:
Counting unit is used for judging whether the number of described a plurality of touch points is one, and if so, then described counting unit is controlled described positioning unit positions a cursor over this touch point at described touch-screen position corresponding to coordinate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102389754A CN102955590A (en) | 2011-08-19 | 2011-08-19 | Device and method for positioning cursor displayed on touch screen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102389754A CN102955590A (en) | 2011-08-19 | 2011-08-19 | Device and method for positioning cursor displayed on touch screen |
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| CN102955590A true CN102955590A (en) | 2013-03-06 |
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| CN2011102389754A Pending CN102955590A (en) | 2011-08-19 | 2011-08-19 | Device and method for positioning cursor displayed on touch screen |
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Cited By (8)
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| CN105302464A (en) * | 2015-10-28 | 2016-02-03 | 北京京东尚科信息技术有限公司 | Flow document scribing system and method |
| CN105549830A (en) * | 2015-12-08 | 2016-05-04 | 广州视睿电子科技有限公司 | Intelligent display method and device |
| WO2017075772A1 (en) * | 2015-11-04 | 2017-05-11 | Orange | Improved method for selecting element of graphical user interface |
| CN107450835A (en) * | 2017-07-27 | 2017-12-08 | 武汉票据交易中心有限公司 | The method for drafting and device at gesture center on a kind of chart |
| CN110633044A (en) * | 2019-08-27 | 2019-12-31 | 联想(北京)有限公司 | Control method, control device, electronic equipment and storage medium |
| US10712917B2 (en) | 2015-11-04 | 2020-07-14 | Orange | Method for selecting an element of a graphical user interface |
| CN113918076A (en) * | 2021-12-15 | 2022-01-11 | 深圳佑驾创新科技有限公司 | Touch method, touch device and storage medium of touch screen |
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| CN103777959A (en) * | 2014-02-17 | 2014-05-07 | 李海源 | Use method of virtual mouse |
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| CN105549830A (en) * | 2015-12-08 | 2016-05-04 | 广州视睿电子科技有限公司 | Intelligent display method and device |
| CN107450835A (en) * | 2017-07-27 | 2017-12-08 | 武汉票据交易中心有限公司 | The method for drafting and device at gesture center on a kind of chart |
| CN107450835B (en) * | 2017-07-27 | 2019-12-31 | 武汉票据交易中心有限公司 | Method and device for drawing gesture center on chart |
| CN110633044A (en) * | 2019-08-27 | 2019-12-31 | 联想(北京)有限公司 | Control method, control device, electronic equipment and storage medium |
| CN110633044B (en) * | 2019-08-27 | 2021-03-19 | 联想(北京)有限公司 | Control method, control device, electronic equipment and storage medium |
| CN113918076A (en) * | 2021-12-15 | 2022-01-11 | 深圳佑驾创新科技有限公司 | Touch method, touch device and storage medium of touch screen |
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