JP6970259B2 - Display control device - Google Patents

Description

The present invention relates to a display control device using a touch panel for a display screen, and more particularly to a display control device that scrolls and displays a list by an operation using the touch panel.

When enjoying music in a vehicle such as a car, a display device (for example, LCD) mounted on the vehicle displays a list of music information (for example, a title of music), and the desired music is displayed from the list. May be selected. Also, when enjoying music with a portable music player, it is possible to display a list of music information (for example, music title) on the display screen and select the desired music from the list. be.

However, when displaying a list of music information on the screen display, if there is a lot of music to be displayed, the scroll operation for each screen must be performed several times, or the list must be scrolled for a long time. There is a problem that the desired music cannot be reached.

In particular, since the screen size of the display device mounted on the vehicle or the display screen of the portable music playback player is small, many titles cannot be displayed on the screen, and the scroll operation becomes more difficult.

It is also possible to increase the arrival time to the desired search target by increasing the scroll speed, but in that case, find the desired search target from the scrolled list of music information. There is also the problem that it is difficult.

The present invention has been made in view of the above circumstances, and one example of the present invention is to make it easier to find a desired search target from a scroll-displayed list.

In order to achieve the above problems, one aspect of the present invention includes a receiving means for accepting a scroll operation, a first display mode for displaying a plurality of selection target items, and more selection target items than the first display mode. A part of the selection target items displayed and arranged in the central portion is displayed larger than the first display mode, and the selection target items other than the partial portion are gradually reduced in the vertical direction from the central portion. A second display mode to be displayed and a display control means for selecting the display mode according to the scroll operation and displaying the display on the display means in the selected display mode are provided , and the display control means has a threshold value for the speed of the scroll operation. In the above case, the second display mode is selected .

It is a schematic block diagram of the content reproduction apparatus which concerns on embodiment of this invention. It is a flowchart which shows the flow of the scroll display processing of the content reproduction apparatus which concerns on embodiment of this invention. It is a flowchart which shows the flow of the index part scroll display processing of step S30 of FIG. 2 in detail. It is a flowchart which shows in detail the flow of the list part scroll display processing of step S50 of FIG. This is an example of a screen displayed on the display unit in the scroll display process of the content reproduction device according to the embodiment of the present invention. This is an example of a screen displayed on the display unit in the scroll display process of the content reproduction device according to the embodiment of the present invention. This is an example of a screen displayed on the display unit in the scroll display process of the content reproduction device according to the embodiment of the present invention. This is an example of a screen displayed on the display unit in the scroll display process of the content reproduction device according to the embodiment of the present invention. This is an example of a screen displayed on the display unit in the scroll display process of the content reproduction device according to the embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a schematic configuration diagram of a content reproduction device 1 according to an embodiment of the present invention. As shown in FIG. 1, the content reproduction device 1 includes an outline, a display unit 2, an operation position detection unit 3, a content reproduction unit 4, a speaker 5, and a control unit 6. Here, the content playback device 1 is a device for playing music content, and when playing music content, a list list 7 of music content (hereinafter referred to as content list 7) is displayed on a display screen. The desired music is selected and the selected music content is played. In the present embodiment, the display screen is provided with a touch panel input interface, and the user gives an instruction to the content reproduction device via the touch panel.

In the present embodiment, the content playback device 1 is mounted on a vehicle such as an automobile and has functions such as a navigation device, a television receiver, a DVD player, and an audio playback device (CD player, HDD player). Although it will be described as one function of the reproduction device, the content reproduction device 1 is not limited to the content reproduction device for vehicles. Any device may be used as long as it is a content playback device having a touch panel display screen and capable of playing music content. For example, it may be a portable music player or a portable information terminal. Further, in the present embodiment, the music content is treated as the search target of the list list, but the search target of the list list is not limited to the music content. For example, a list of facility information such as restaurants and shops may be used, and the facility information may be searched.

Specifically, the display unit 2 is an output interface composed of a display such as a color liquid crystal display (LCD). In the present embodiment, the content list 7 of the music content stored in the hard disk or the like of the content reproduction device 1 is displayed on the screen of the display unit 2.

Specifically, the operation position detection unit 3 is composed of a touch panel arranged on the image display surface of the display unit 2, and touches operation information (content image, operation buttons, icons, etc.) displayed on the display unit 2. It is an input interface that allows you to input information. That is, the operation position detection unit 3 detects the operation position on the image display surface touched by the user, and outputs the detected position information to the control unit 6, which will be described later.

Specifically, the content reproduction unit 4 is composed of an audio reproduction device (CD player, HDD player) and the like, and reproduces music content.

The speaker 5 is designed to output the sound of the content reproduced by the content reproduction unit 4.

Specifically, the control unit 6 is composed of a CPU, a ROM, a RAM, and the like, and controls the entire content reproduction device 1. Specifically, the control unit 6 includes an operation content determination unit 61, a scroll speed detection unit 62, a display control unit 63, and a content reproduction control unit 64.

The operation content determination unit 61 determines the content instructed by the operator based on the position information output from the operation position detection unit 3. In the present embodiment, the operation position detection unit 3 detects a scroll operation of scrolling the content list 7 displayed on the display unit 2 in the vertical direction with a finger, a selection operation of selecting a desired music title with a finger, and the like. It has become like. For example, when the user touches the title display of the song name A from the content list 7 displayed on the image display surface, it is determined that the playback of the song A is instructed from the touched position. Further, when the finger is continuously moved upward while touching the content list 7, it is determined that the content list 7 has been scrolled upward.

The scroll speed detection unit 62 detects the speed of the scroll operation when the operation content is a scroll operation based on the judgment of the operation content determination unit 61. Specifically, it is determined whether or not the speed of the scroll operation in the upward or downward direction on the screen is equal to or higher than a predetermined threshold value.

The display control unit 63 controls the display of the display unit 2. Specifically, according to the judgment of the operation content determination unit 61, when the operation content is a scroll operation, the display mode is changed according to the scroll speed detected by the scroll speed detection unit 62, and the content list 7 is scroll-displayed. do. That is, the content list 7 is displayed in two display modes depending on whether the speed of the scroll operation in the upward or downward direction on the screen is equal to or higher than the predetermined threshold value and lower than the threshold value. The two types of display modes will be described in detail later.

The content reproduction control unit 64 controls the content reproduction unit 4 based on the operation content determined by the operation content determination unit 61. For example, in the case of playing music for which the operation content is selected, the selected music is played.

Next, a scroll display process for scrolling and displaying the content list 7 of the content reproduction device 1 according to the present embodiment will be described with reference to FIGS. 2 to 9. FIG. 2 is a flowchart showing the flow of the scroll display process. FIG. 3 is a flowchart showing in detail the flow of the index section scroll display process in step S30 of FIG. 2, and FIG. 4 is a flowchart showing the flow of the list section scroll display process in step S50 of FIG. 2 in detail. Further, FIGS. 5 to 9 are screen examples displayed on the display unit 2 and show a display mode of the content list 7.

First, the scroll display process of the content reproduction device 1 will be described with reference to FIG.

When the content playback device 1 receives a request for displaying the content list from the user, the content playback device 1 displays the content list 7 on the display unit 2 (step S10).

FIG. 5 shows the content list 7. In the present embodiment, the content list 7 is displayed in a hierarchical structure, and includes an index unit 71 for displaying an index (first character) of a music title, and a list unit 72 for displaying a list of music titles. ing. That is, the index unit 71 is displayed in the index display area S1 on the left side of the screen, and the list unit 72 is displayed in the list unit display area S2 at the substantially center of the screen. Here, in the list of music titles displayed in the list unit 72, the music titles corresponding to the index characters of the focused index unit 71 are displayed in a list. In the present embodiment, the position slightly above the center of the screen is focused. For example, in the case of FIG. 5, the index character "A" is focused.

In the initial display of the content list 7, the size of each music title column (rectangular shape list box) displayed in the list unit 72 and the size of the characters (list wording) displayed in each music title column. Is the same. Hereinafter, such a display mode of the content list 7 will be referred to as a first display mode.

Next, the content reproduction device 1 determines whether or not there is a vertical scroll operation with respect to the index unit 71 from the user (step S20). When there is a vertical scroll operation with respect to the index unit 71 from the user (step S20: YES), the content reproduction device 1 executes the index unit scroll display process (details will be described later) (step S30).

When there is no vertical scroll operation for the index unit 71 from the user (step S20: NO), the content playback device 1 determines whether or not there is a vertical scroll operation for the list unit 72 from the user (step). S40). When there is a vertical scroll operation with respect to the list unit 72 from the user (step S40: YES), the content reproduction device 1 executes the list unit scroll display process (details will be described later) (step S50). If the user does not perform a vertical scroll operation on the list unit 72 (step S40: NO), the content reproduction device 1 ends the scroll display process.

Next, the index portion scroll display processing will be described in detail with reference to FIG.

The content reproduction device 1 determines whether or not the scroll speed of the vertical scroll operation with respect to the index unit 71 is less than the threshold value (step S31).

When the scroll speed is less than the threshold value (step S31: YES), the index unit 71 is scrolled and displayed according to the scroll operation (step S32), and the list unit 72 is displayed according to the scroll display of the index unit 71. It is displayed in the display mode of 1 (step S33). FIG. 6 shows a display mode of the content list 7 when the scroll speed of the upward scroll operation with respect to the index unit 71 is less than the threshold value. As shown in FIG. 6, the list unit 72 is scrolled upward while being displayed in the first display mode.

On the other hand, when the scroll speed is equal to or higher than the threshold value (step S31: NO), the index unit 71 is scrolled and displayed according to the scroll operation (step S34), and is displayed according to the scroll display of the index unit 71. The list unit 72 is displayed in the second display mode (step S35).

Here, the second display mode is the size of each music title column (list box in the shape of a rectangle) displayed in the list unit 72, and the size of the characters (list wording) displayed in each music title column. Refers to a display mode in which the characters are not displayed in the same way. Specifically, the size of the music title column (rectangular list box) in the center in the vertical direction of the screen and the size of the characters (list wording) displayed in the music title column are determined from the size of the first display mode. Is also displayed larger, and the size of the music title column (rectangular list box) and the size of the characters (list wording) displayed in the music title column are gradually displayed smaller from the center to the vertical direction. This is a display mode for improving the visibility of the central portion of the screen. That is, in the second display mode, the size of the music title column in the central portion and the size of the characters displayed in the music title column are displayed in the largest size.

In the second display aspect of the present embodiment, the visibility of the central portion in the vertical direction of the screen is improved with respect to the brightness of the screen. That is, while the central portion in the vertical direction of the screen is displayed brightly, the brightness of the screen is gradually darkened from the central portion of the screen toward the vertical direction.

FIG. 7 shows a display mode of the content list 7 when the scroll speed of the upward scroll operation with respect to the index unit 71 is equal to or higher than the threshold value. As shown in FIG. 7, the list unit 72 is scrolled upward while being displayed in the second display mode. As shown in FIGS. 6 and 7, in the second display mode, the number of titles of the music content displayed in the list unit 72 is larger than that in the first display mode. That is, the second display mode is a display mode in which the title in the central portion can be conspicuous while displaying a large number of music titles displayed on one screen.

Next, the list section scroll display process will be described in detail with reference to FIG.

The content reproduction device 1 determines whether or not the scroll speed of the vertical scroll operation with respect to the list unit 72 is less than the threshold value (step S51).

When the scroll speed is less than the threshold value (step S51: YES), the list unit 72 is displayed in the first display mode according to the scroll operation (step S52), and the list unit 72 is displayed according to the scroll display of the list unit 72. The index unit 71 is scrolled and displayed (step S53). FIG. 8 shows a display mode of the content list 7 when the scroll speed of the downward scroll operation with respect to the list unit 72 is less than the threshold value. As shown in FIG. 8, the list unit 72 is scrolled downward while being displayed in the first display mode.

On the other hand, when the scroll speed is equal to or higher than the threshold value (step S51: NO), the scroll unit 72 is displayed in the second display mode according to the scroll operation of the list unit 72 (step S54), and the index unit 71 scrolls. The index unit 71 is scrolled and displayed according to the display (step S55). FIG. 9 shows a display mode of the content list 7 when the scroll speed of the upward scroll operation with respect to the list unit 72 is equal to or higher than the threshold value. As shown in FIG. 9, the list unit 72 is scrolled upward while being displayed in the second display mode.

As described above, according to the present embodiment, when the operation speed of the scroll operation for the index unit 71 or the list unit 72 of the content list 7 is less than the threshold value, each list button displayed on the list unit 72 is displayed. When the content list 7 is displayed in the first display mode in which the size and the size of each list wording are all the same, and the operation speed of the scroll operation for the index part 71 or the list part 72 of the content list 7 is equal to or higher than the threshold value. Displays the size of the list button arranged in the center of the list unit 72 and the size of the list wording larger than the size of the first display mode, and displays the size of the list button in the vertical direction from the center portion. Since the size and the size of the list wording are gradually reduced, it is easy to find a desired title from the scroll-displayed content list 7 regardless of the speed of the scroll operation.

In the above embodiment, the display control related to the scroll display has been described by taking as an example the content playback device 1 that displays the content list 7 on the display unit 2. However, the display control related to the scroll display of the present invention is the same. Not limited to. That is, the display control related to the scroll display of the present invention is a device that displays predetermined information (information that can be distinguished from other information, hereinafter referred to as identification information) as a list, and scrolls the list by scrolling. , The method, and the program, and the display mode of the identification information can be controlled according to the speed of the scroll operation.

Specifically, when the scroll speed is slow, the user can easily find the desired identification information because the list of the identification information and the notation fields are all the same size is displayed and scrolled. On the other hand, when the scroll speed is high, the notation and notation column of the identification information in the central part is displayed in a large size to make it stand out, and the notation and notation column of the identification information in the upper and lower ends are displayed in a small size, so that more identification information is displayed. Can be easily found by the user while scrolling to one screen.

Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and the present invention is various with respect to the embodiments of the present invention as long as the gist of the present invention is not deviated. Can be modified or modified, and those accompanied by such modifications or modifications are also included in the technical scope of the present invention.

1 Content playback device 2 Display unit 3 Operation position detection unit 4 Content playback unit 5 Speaker 6 Control unit 7 Content list 61 Operation content judgment unit 62 Scroll speed detection unit 63 Display control unit 64 Content playback control unit 71 Index unit 72 List unit

Claims (1)

A reception means that accepts scroll operations and
A first display mode for displaying a plurality of selection target items and more selection target items than the first display mode are displayed, and some selection target items arranged in the central portion are displayed more than the first display mode. A second display mode in which the selection target items other than the partial portion are gradually displayed in a larger size and gradually smaller in the vertical direction from the central portion is selected according to the scroll operation, and the selected display mode is selected. It is equipped with a display control means to be displayed on the display means .
When the speed of the scroll operation is equal to or higher than the threshold value, the display control means selects the second display mode.
An information display device characterized by the fact that.

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