TWI497397B - Method, electronic device and computer program product for controlling list scroll - Google Patents

Description

Method, electronic device and computer program product for controlling list scrolling

The present invention relates to a method for controlling scrolling of a list, and more particularly to a method for controlling continuous scrolling and skipping of a list, and an electronic device and a computer program product using the same.

In order to cope with the busy life pace of modern people, all kinds of portable electronic devices that do not occupy space and are convenient to carry are also innovated. Take the Personal Digital Assistant (PDA), personal digital assistant mobile phone, and smart phone as examples. It not only has the functions of traditional communication devices, but also allows users to access the built-in windows. The operating system is used for writing documents, sending and receiving emails, browsing the Internet, or using instant messaging software.

For a portable electronic device that requires a light, thin, short, and small form factor, its own size is quite limited, and the stored data is relatively large. In order to display the data in a limited screen space, it is generally The data is presented on the screen by means of a list of columns to provide users with browsing and viewing. Wherein, when the number of items in the list exceeds the range that the screen can accommodate, the portable electronic device generally displays an additional scroll bar on the edge of the screen for the user to click or drag. The way to scroll through the list and quickly search for the content of the item you want to query.

However, in the above-described process of scrolling the list using the scrolling axis, the user must scroll the list while paying attention to the contents of the item currently scrolled. If the list includes more items, you need to repeatedly click the scrolling axis multiple times or drag a longer distance to find the desired item. If the electronic device uses a touch panel or a touch screen as the input interface, since the size of the input interface is small, the position of the user is relatively more precise, and the user is observing the current scrolling. In addition to the content of the project, it is necessary to select the location and drag the scrolling axis to successfully find the required project. It can be seen that the method of scrolling the list by using the scrolling axis still has its disadvantages, so it is necessary to provide a more intuitive and convenient way to help the user quickly browse the list and search for the desired item.

In order to solve the above problem, the present invention provides a method for controlling list scrolling, which selects a scrolling list continuously in units of items or jumps a scrolling list in units of groups according to different types of touch inputs. The user quickly searches for the list item to be queried.

According to an embodiment of the present invention, the present invention provides a method for controlling scrolling of a list, which is suitable for an electronic device having a touch panel. This method first displays a list including a plurality of items, wherein the items are classified into a plurality of groups. Then, the touch input on the touch panel is detected, and the type of the touch input is determined. When it is determined that the touch input is a single touch input, the list is continuously scrolled in units of items; when it is determined that the touch input is a multi-touch input, the scroll list is skipped in units of groups.

According to an embodiment of the present invention, an electronic device includes a display unit, a touch panel, and a control unit. The display unit is configured to display a list including a plurality of items, wherein the items are classified into a plurality of groups. The touch panel is used to detect touch input. The control unit is coupled to the display unit and the touch panel for determining the type of the touch input. When the control unit determines that the touch input is a single touch input, the list is continuously scrolled by the item; When the control unit determines that the touch input is a multi-touch input, the scroll list is skipped in units of groups.

According to an embodiment of the present invention, the present invention further provides a computer program product loaded via an electronic device to perform the following steps: First, displaying a list including a plurality of items, wherein the items are classified into a plurality of groups group. Then, the touch input on the touch panel is detected, and the type of the touch input is determined. When it is determined that the touch input is a single touch input, the list is continuously scrolled in units of items; when it is determined that the touch input is a multi-touch input, the scroll list is skipped in units of groups.

Based on the above, the method, the electronic device and the computer program product of the control list scrolling according to the present invention select a continuous scrolling list in units of items according to the type of the user's touch input, or jump the scrolling list in units of groups. , to provide users with a more intuitive and convenient way to browse the list and quickly search for the required list items.

The above described features and advantages of the present invention will be more apparent from the following description.

The invention classifies the items in the list into a plurality of groups according to a user-customized or system-preset classification rule, and the user controls the list using a touch panel or a touch screen. When scrolling, according to the type of user's touch input, select to continuously scroll the list by item, or jump the list by group to achieve the purpose of quickly searching the list item. In the following, various embodiments are provided in accordance with the above concepts to illustrate the detailed steps of the control list scrolling method of the present invention.

FIG. 1 is a block diagram of an electronic device according to an embodiment of the invention. Referring to FIG. 1 , the electronic device 100 of the present embodiment includes a display unit 110 , a touch panel 120 , a determining unit 130 , and a control unit 140 . The electronic device 100 is, for example, a mobile phone and a personal digital assistant. PDA), a laptop, a digital camera, a music player, a game device, a car pc or any other electronic device . The display unit 110 is configured to display a list including a plurality of items, such as a liquid crystal display (LCD), a plasma display, a vacuum fluorescent display, and a light emitting diode (Light). -Emitting Diode, LED) display, Field Emission Display (FED) and/or other types of display; touch panel 120 is used to detect the user's touch input, such as resistive and capacitive Infrared, surface acoustic wave (SAW) type and/or other types of touch panels, the touch panel 120 can be integrated with the display unit 110 as a touch screen or independently of the display unit. The present invention does not limit the scope of the present invention. The determining unit 130 is coupled to the touch panel 120 for determining the type of the touch input. The control unit 140 is coupled to the determining unit 130 and the display unit 110 for According to the type of the touch input, it is determined that the list is continuously scrolled in units of items, or the scroll list is jumped in units of groups, and the determining unit 130 and the control unit 140 are, for example, central processing orders. (Central Processing Unit, CPU), or other programmable general purpose or special purpose microprocessor (Microprocessor), digital signal processor (DSP), programmable controller, special application integration Application Specific Integrated Circuits (ASICs), Programmable Logic Devices (PLDs), or the like, or a combination of these devices, can perform the judgment of the touch input type and the scrolling of the list.

2 is a flow chart of a control list scrolling method according to an embodiment of the invention. The control method of this embodiment is applicable to the electronic device 100 of FIG. 1. Hereinafter, the detailed steps of the control list scrolling method of the present embodiment will be described with reference to various components in the electronic device 100: Please refer to FIG. 1 and FIG. In step S210, the display unit 110 displays a list including a plurality of items, wherein the items are classified into a plurality of groups according to a user-customized or classified rule preset by the electronic device 100, and the classification rule is, for example, an item. Name, type, date, author, or file size. For example, if the display unit 110 displays a list of contacts including a plurality of contact items, the contacts can be automatically classified into twenty-six groups according to the first English letter of the contact name; for another example These contacts can also be manually classified into different groups according to the type of contact (for example, five groups of family members, colleagues, classmates, customers, and friends).

Next, in step S220, the touch panel 120 detects a touch input of the user on the touch panel 120. Next, in step S230, the determining unit 130 determines the type of the touch input. If the determining unit 130 determines in step S230 that the touch input detected by the touch panel 120 is a single touch input, the process proceeds to step S240. In step S240, the control unit 140 continuously scrolls the list in units of items. In detail, the single touch input is, for example, a single touch input that the user touches the touch panel 120 with a finger or a stylus, or the user uses a finger or a stylus at A single sliding input generated by sliding on the touch panel 120. In an embodiment, when the determining unit 130 determines that the touch input is a single sliding input, the control unit 140 continuously scrolls the list in the same direction or in the opposite direction of the sliding direction of the single sliding input, for example, in units of items. .

On the other hand, if the determining unit 130 determines in step S230 that the touch input detected by the touch panel 120 is a multi-touch input, the process proceeds to step S250. In step S250, the control unit 140 skips the scroll list in units of groups. In detail, the multi-touch input is, for example, a multi-touch input generated by the user simultaneously touching the touch panel 120 by using a plurality of fingers; the user touches the touch panel 120 by using one or more fingers. At the same time, the touch sliding input generated by the sliding of the other one or more fingers on the touch panel 120; or the multiple sliding input generated by the user simultaneously sliding the plurality of fingers on the touch panel 120. In an embodiment, when the determining unit 130 determines that the touch input is a double sliding input and slides in the same direction, the control unit 140 inputs the double sliding input according to the grouping order, for example, in groups. The scrolling list is jumped in the same direction or in the opposite direction of the sliding direction.

For example, FIG. 3A, FIG. 3B and FIG. 3C are diagrams illustrating an example of a control list scrolling method according to an embodiment of the invention. Referring first to FIG. 3A, this embodiment uses a contact list as an example. The contact list is classified into twenty-six groups according to the first letter of the contact name. As shown in FIG. 3A, when the contact list is opened, the electronic device displays the list 310 on the screen 300 in the order of the first letter of the contact name. Among them, since the number of contacts exceeds the range that the screen can accommodate, the list 310 displayed on the screen only includes the first eight contact information in the contact list.

Referring to FIG. 3B, when the electronic device receives the downward single sliding input T1 performed by the user, the contact list is continuously scrolled downward, and the list 320 is displayed. Wherein, the extent of the electronic device scrolling the contact list is determined by the distance that the user slides the input, and the scrolled contact list may be a continuous list of any of the segments, such as the letter A shown in FIG. 3B. B is the list 320 at the beginning.

Referring to FIG. 3C, when the electronic device receives the downward double sliding input T2 performed by the user, the list of contacts is scrolled downward and the list 330 is displayed. The amplitude of the electronic device scrolling contact list is also determined by the distance that the user slides the input, and the order of scrolling is determined by the order in which the groups are arranged. It should be noted that the contact list scrolled by the electronic device is displayed according to the group that is scrolled, for example, the list 320 starting with the letter C shown in FIG. 3C. In detail, when performing jump scrolling, the electronic device displays, for example, the first contact information of the group after the jump scroll is displayed at the top of the screen 300 (ie, as shown in FIG. 3C) or displayed on the screen. The center of 300 allows the user to view the desired contact information from the first contact of the group.

In summary, with the control list scrolling method of the embodiment, the user can control the scrolling list of the electronic device by a simple single-finger touch sliding and multi-finger (two-finger) touch sliding operation. And to achieve the purpose of quickly searching for a list item.

It should be noted that, in an embodiment, the electronic device, while skipping the scrolling list, further includes a group indication indicating the foreground of the displayed list to indicate the group currently scrolled to. This group indication is for example expressed in the form of words, numbers or illustrations.

For example, FIG. 4A and FIG. 4B are diagrams illustrating an example of a control list scrolling method according to an embodiment of the invention. This embodiment is also exemplified by the contact list, and the list 410 of FIG. 4A is the same as the list 310 of FIG. 3A, and only the first eight contact information in the contact list is displayed. When the electronic device receives the downward double sliding input T3 performed by the user, in addition to jumping the contact list downward to display the list 420, the group indication 430 is also displayed in the foreground of the list 420 to indicate The group "C" that is currently scrolled to, and let the user know the group that is currently scrolled. It should be noted that, in an embodiment, the electronic device can also switch only the display group indication 430 when the user performs the double sliding input T3, without scrolling the bottom list 410 until the user's finger moves away. When the panel is controlled, the electronic device displays the list 420.

In another embodiment, the electronic device may display a group directory on the foreground or the edge of the list while displaying the list, and display the group on the group directory when the electronic device scrolls the list. A group indication to indicate the group that is currently scrolled to. The group indication can also be represented by text, numbers, or icons. In addition, the group indication is also, for example, to change the font size (for example, zoom in). Change the font type (for example: bold font) or change the color to display the group name currently scrolled in the group directory.

For example, FIG. 5A and FIG. 5B are diagrams illustrating an example of a control list scrolling method according to another embodiment of the present invention. This embodiment is also exemplified by a list of contacts, and the list 510 of FIG. 5A displays the group directory 502 in its foreground in addition to the first 8 pieces of contact information in the list of contacts. The group directory 502 is a scrolling axis, in addition to displaying all the groups of contact information (ie, A~Z), the group indicator 504 is additionally displayed in an enlarged manner to indicate the current display. The group "A" to which the list 510 belongs. When the electronic device receives the downward double sliding input T4 performed by the user, in addition to jumping the contact list to the bottom to display the list 520, the display group indication 508 is also switched to indicate the current scrolling Go to the group "C" and let the user know the group that is currently scrolled.

In addition, in another embodiment, the electronic device may not display the group directory and the group indication when displaying the list and continuously scrolling the list, and only display the group directory and the group indication when jumping the scroll list.

The invention further provides a computer program product for performing the above control list scrolling method, the computer program product is basically composed of a plurality of code segments (for example, establishing an organization chart code segment, signing a form) After the code segment, the set code segment, and the deployment code segment are loaded, and the code segments are loaded into the electronic device and executed, the steps of the control list scrolling method and the functions of the electronic device can be completed.

In summary, the method, the electronic device and the computer program product of the control list scrolling of the present invention classify the items in the displayed list into a plurality of groups, and when the user browses the list, the touch is based on the touch. The type of input, choose to scroll the list continuously in units of items, or jump the list of scrolls in groups, and enable users to quickly find the required list items. In addition, the present invention allows the user to know the currently scrolled group by displaying the group indication and the group directory, and can assist the user in searching for the required list item.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the invention, and any one of ordinary skill in the art can make some modifications and refinements without departing from the spirit and scope of the invention. The scope of the invention is defined by the scope of the appended claims.

100. . . Electronic device

110. . . Display unit

120. . . Touch panel

130. . . Judging unit

140. . . control unit

300, 400. . . Screen

310, 320, 330, 410, 420, 510, 520. . . List

430, 504, 506, 508. . . Group indication

502. . . Group directory

T1~T4. . . Touch input

S210~S250. . . Each step of the control list scrolling method according to an embodiment of the present invention

FIG. 1 is a block diagram of an electronic device according to an embodiment of the invention.

2 is a flow chart of a control list scrolling method according to an embodiment of the invention.

3A, 3B, and 3C are diagrams illustrating an example of a control list scrolling method according to an embodiment of the invention.

4A and 4B are diagrams showing an example of a control list scrolling method according to an embodiment of the invention.

5A and 5B are diagrams showing an example of a control list scrolling method according to an embodiment of the invention.

S210~S250. . . Each step of the control list scrolling method according to an embodiment of the present invention

Claims (23)

A method for controlling scrolling of a list is applicable to an electronic device having a touch panel, the method comprising the steps of: displaying a list including a plurality of items, wherein the items are classified into a plurality of groups; detecting the a touch input on the touch panel; determining the type of the touch input; when determining that the touch input is a single touch input, continuously scrolling the list in units of items; and when determining that the touch input is multiple When the touch is input, the list is scrolled in units of groups. The method of claim 1, wherein when the touch input is determined to be a single sliding input, the list is continuously scrolled in units of items. The method of claim 2, wherein the step of continuously scrolling the list in units of items comprises: continuously scrolling the list in units of items along the same direction or opposite directions of the sliding direction of the single sliding input . The method of claim 1, wherein when the touch input is determined to be a double sliding input, the list is scrolled in units of groups. The method of claim 4, wherein when it is determined that the touch input is the double sliding input and sliding in the same direction, the list is scrolled in units of groups. The method of claim 5, wherein the step of scrolling the list in units of groups comprises: skipping the volume in units of groups in the same direction or in the opposite direction to the sliding direction of the double sliding input Move the list. The method of claim 1, wherein the items are classified into the groups according to their name, type, date, author or file size. The method of claim 1, wherein the step of jumping the list comprises: jumping the list in units of groups according to an arrangement order of the groups. The method of claim 1, wherein the step of jumping the list further comprises: displaying a group indication to indicate the group currently scrolled to. The method of claim 9, wherein the step of displaying the group indication comprises: displaying a group directory; and displaying the group indication on the group directory. The method of claim 9, wherein the group indication comprises at least one of a text, a number, or a graphic. An electronic device includes: a display unit, displaying a list including a plurality of items, wherein the items are classified into a plurality of groups; a touch panel detecting a touch input; and a determining unit coupled to the The display unit determines the type of the touch input; and a control unit coupled to the determining unit and the touch panel, wherein: when the determining unit determines that the touch input is a single touch input, the control unit The list is continuously scrolled in units of items; and when the determining unit determines that the touch input is a multi-touch input, the control unit jumps the list in units of groups. The electronic device of claim 12, wherein when the determining unit determines that the touch input is a single sliding input, the control unit continuously scrolls the list in units of items. The electronic device of claim 13, wherein the control unit continuously scrolls the list in units of items along the same direction or in the opposite direction of the sliding direction of the single sliding input. The electronic device of claim 12, wherein when the determining unit determines that the touch input is a double sliding input, the control unit jumps the list in units of groups. The electronic device of claim 15, wherein the control unit jumps the list in units of groups when the determining unit determines that the touch input is a double sliding input and slides in the same direction. The electronic device of claim 15, wherein the control unit jumps the list in units of groups in the same direction or in the opposite direction of the sliding direction of the double sliding input. The electronic device of claim 12, wherein the items are classified into the groups according to their name, type, date, author or file size. The electronic device of claim 12, wherein the control unit jumps the list in units of groups according to an arrangement order of the groups. The electronic device of claim 12, wherein when the control unit jumps the list in units of groups, the display unit is further controlled to display a group indication to indicate the group currently scrolled to . The electronic device of claim 20, wherein when the control unit jumps the list in units of groups, the display unit is further controlled to display a group directory, and the group is displayed to indicate the group. On the group directory. The electronic device of claim 20, wherein the group indication comprises at least one of a text, a number or a graphic. A computer program product for loading a program via an electronic device to perform a method of scrolling a control list as described in claim 1.