JP2017059072A - Display control device, display control method, and display control program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate an operation relating to a screen by a driver.SOLUTION: A display control device 10 includes an acquisition part 12 which acquires operation information indicating the operation performed for an operation lever 22 by the driver and a control part 13 which performs control relating to a predetermined display panel 23, when the operation information indicates the operation for expanding and contracting the operation lever 22 in an axial direction. Especially, the control part 13 performs control, so as to specify the hierarchy of a menu screen displayed on the display panel 23, according to the expansion and contraction of the operation lever 22 in the axial direction and display an item group belonging to a specified hierarchy on the display panel 23.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a display control device, a display control method, and a display control program.

  In-car devices such as car navigation devices and car audio installed in automobiles, in order to accept functions and setting value selection operations by drivers etc., list functions and setting value selection items on the screen near the driver's seat Is displayed. Here, since a large number of in-vehicle devices and the like are mounted on the automobile, there are also a large number of selection items such as functions and setting values, and usually all cannot be displayed on one screen. Therefore, in general, a hierarchical structure of menus is defined in which a large number of selection items are hierarchized for each function. On the screen, a selection item group one level below one item selected in the upper layer is displayed in a list format.

  Patent Document 1 discloses a technique related to menu display on a screen of a car navigation device. In Patent Document 1, a selection item is selected in accordance with a selection operation or push operation on an operation switch provided on the console of the car navigation apparatus, and the display color of the display area of the selected selection item changes.

JP 2010-020663 A

  However, in the technology according to Patent Document 1, in order to switch the level of the menu screen to the lower level, the rotation operation and the push operation are performed on the operation switch, and the operation switch is provided to return the level from the lower level to the higher level. It is necessary to perform a push operation on the center push switch. For this reason, there is a problem that the operation related to the screen by the driver becomes complicated.

  SUMMARY An advantage of some aspects of the invention is that it provides a display control device, a display control method, and a display control program for facilitating operations related to a screen by a driver.

  A first aspect of the present invention is an acquisition unit that acquires operation information for an operation lever, and a control unit that performs control related to a predetermined display panel when the operation information indicates an operation for extending or contracting the operation lever in the axial direction. A display control device comprising:

  The second aspect of the present invention includes a step of acquiring operation information on the operation lever, and a step of performing control related to a predetermined display panel when the operation information indicates an operation of extending and contracting the operation lever in the axial direction. A display control method is provided.

  The third aspect of the present invention includes a step of acquiring operation information for the operation lever, a step of performing control related to a predetermined display panel when the operation information indicates an operation of extending and contracting the operation lever in the axial direction, Provided is a display control program for causing a computer to execute.

  According to the present invention, it is possible to provide a display control device, a display control method, and a display control program for facilitating operations related to a screen by a driver.

It is a block diagram which shows the structure of the display control apparatus concerning Embodiment 1 of this invention. It is a figure which shows the structural example of the display control apparatus in the motor vehicle concerning Embodiment 1 of this invention. It is a figure which shows the example of the shape of the operation lever concerning Embodiment 1 of this invention, and the direction of operation. It is a figure which shows the display apparatus for drivers which is an example of Embodiment 1 of this invention. It is a figure which shows the example of the item group and hierarchical structure concerning Embodiment 1 of this invention. It is a flowchart which shows the flow of the display control process concerning Embodiment 1 of this invention. It is a figure which shows the example of the shape of the operation lever concerning Embodiment 2 of this invention, and the direction of operation. It is a flowchart which shows the flow of the display control process concerning Embodiment 2 of this invention. It is a flowchart which shows the flow of the display control process concerning Embodiment 3 of this invention.

  Hereinafter, specific embodiments to which the present invention is applied will be described in detail with reference to the drawings. In the drawings, the same elements are denoted by the same reference numerals, and redundant description will be omitted as necessary for the sake of clarity.

<Embodiment 1 of the Invention>
FIG. 1 is a block diagram showing a configuration of a display control apparatus 10 according to the first embodiment of the present invention. The display control device 10 includes a storage unit 11, an acquisition unit 12, and a control unit 13.

  The storage unit 11 is a storage device such as a memory or a hard disk, for example. The storage unit 11 stores at least the item group 111 and the structure definition 112. The item group 111 is information indicating a combination of a plurality of selection items. Here, a selection item is a menu item for selecting the function and setting value of the vehicle apparatus in the motor vehicle in which the display control apparatus 10 is mounted, for example. In FIG. 1, there is one item group 111, but in the present embodiment, a plurality of item groups are stored in the storage unit 11. The structure definition 112 is information in which a structure in which a plurality of item groups 111 are hierarchized is defined.

  The acquisition unit 12 acquires operation information for the operation lever 22. Here, the operation lever 22 is a lever that is attached to an automobile or the like on which the display control device 10 is mounted and receives an operation by a driver. The operation lever 22 is, for example, a multi-function lever attached near the steering of an automobile, and is an operation lever extending from a column switch attached to the back of the steering. The operation lever 22 can be applied to what is called column stalk or column stalk or steering column stalk. However, the control lever 22 may be one that is installed at least near the driver's seat and within the reach of the driver. The operation lever 22 according to the present embodiment can be operated to expand and contract at least in the axial direction of the lever. The operation information is information indicating an operation by the driver for the operation lever 22. Specifically, the operation information is, for example, an electrical signal or the like output by the lever mechanism according to the operation of the operation lever 22 or information converted from the electrical signal to information indicating the operation content. And the acquisition part 12 detects the information which shows an electric signal etc. or operation content. The operation information includes, for example, information indicating an operation for extending and retracting the operation lever 22 in the axial direction, information indicating an operation for rotating the operation lever 22 around the axis, and the like.

  The control unit 13 performs control related to a predetermined display panel 23 when the operation information indicates an operation of extending or retracting the operation lever 22 in the axial direction. Here, the display panel 23 is a screen such as a liquid crystal panel or an organic EL (electro-luminescence) panel. The display panel 23 may be included in the display control device 10. Alternatively, the display panel 23 may be separate from the display control device 10. The display panel 23 is a control target of the control unit 13 and is mounted on an automobile or the like on which the display control device 10 is mounted. The display panel 23 has an area for displaying at least one of the plurality of item groups 111. In FIG. 1, only one display panel 23 is provided, but a plurality of display panels 23 may be provided.

  Further, the control unit 13 selects any one of the plurality of item groups 111 according to the expansion and contraction of the operation lever 22 in the axial direction, and performs the control so that the selected item group is displayed on the predetermined display panel 23. Is desirable. As a result, the type of item group to be displayed can be easily switched.

  Further, the control unit 13 specifies a display target hierarchy according to the expansion and contraction of the operation lever 22 in the axial direction based on the structure definition 112, selects an item group 111 corresponding to the specified hierarchy, and displays a predetermined display panel. The control may be performed so that the image is displayed on the screen 23. For example, when the operation lever 22 is contracted in the axial direction, an item group belonging to a lower hierarchy than the currently displayed hierarchy is displayed, and when the operation lever 22 is extended in the axial direction, the current display is displayed. You may control to display the item group which belongs to a hierarchy higher than the hierarchy currently performed. Alternatively, the relationship between the expansion / contraction operation and the switching to the upper and lower levels of the hierarchy may be reversed. Thereby, switching between hierarchies in a plurality of hierarchized menu screens can be easily operated. In particular, an operation of switching from the currently selected selection item to a lower hierarchy and an operation of returning to a higher hierarchy than the current one can be realized by operations in opposite directions in the axial direction of the operation lever 22. Therefore, switching between the upper and lower levels and the expansion / contraction operation in the axial direction of the lever are conceptually close, and it can be said that the operation related to the screen is easy for the driver.

  In addition, when the operation information indicates an operation to rotate about the axis of the operation lever, the control unit 13 selects a selection destination from the item group 111 displayed on the predetermined display panel 23 according to the rotation direction. The control may be performed so that items are switched and displayed on a predetermined display panel 23. Accordingly, the driver can collectively perform selection of selection items on the display panel and switching between hierarchies by operations such as expansion and contraction and rotation of one operation lever.

  The display control device 10 can be realized by a general-purpose computer device. In this case, the display control device 10 includes at least a control device such as a CPU (Central Processing Unit), an interface that performs input / output with the outside, and a storage device as a configuration (not shown). The storage device corresponds to the storage unit 11. In this case, the storage device stores a display control program in which the display control method according to the embodiment of the present invention is implemented as a configuration (not shown). Then, the control device reads and executes the display control program stored in the storage unit 11. Thereby, the display control apparatus 10 operates as the acquisition unit 12 and the control unit 13 according to the present embodiment using the above-described interface as appropriate.

  FIG. 2 is a diagram illustrating a configuration example of the display control device 10 in the automobile according to the first embodiment of the present invention. The display control device 10 may be a microcomputer included in the navigation device 25 and the driver display device 23c, or may be a computer device (not shown) mounted on an automobile.

  In FIG. 2, a rear view mirror 23 a, a HUD (Head Up Display) 23 b, a driver display device 23 c, and a navigation screen 23 d are examples of the display panel 23. That is, the control unit 13 controls at least one of the rear view mirror 23a, the HUD 23b, the driver display device 23c, or the navigation screen 23d. The HUD 23b is a part of the windshield 26 provided with a display panel such as a liquid crystal display screen. The navigation screen 23d is incorporated in the navigation device 25.

  In addition to the general wiper lever 24a and direction indicating lever 24b, column stalks 22a and 22b are provided on the rear surface of the steering 21. The column stalks 22a and 22b are an example of the operation lever 22, and it is sufficient that at least one column stalk 22a and 22b exists. The wiper lever 24a, the direction indicating lever 24b, and the column stalks 22a and 22b are functional levers extending outward from the vicinity of the center of the steering 21 or the column switch. In the present embodiment, the wiper lever 24a and the direction indicating lever 24b are not essential.

  FIG. 3 is a diagram showing an example of the shape of the column stalk and the direction of operation according to the first embodiment of the present invention. The column stalk 22a in FIG. 3 has a shape close to a cylinder, but is not limited to this. The column stalk 22a according to the first embodiment can be operated in at least the direction d1 for reducing the axis and the direction d2 for extending in the axial direction. Various techniques may be applied to the mechanism for allowing the column stalk 22a to expand and contract in the axial direction and the process for detecting the expansion and contraction operation. For example, a mechanism that expands and contracts by stacking a plurality of cylindrical objects each having a different circumference can be detected by measuring the displacement of each cylindrical object with an optical linear displacement sensor. Good. You may detect by the change of the load added to the site | part of a cylindrical object at the time of expansion-contraction by a force sensor and a pressure sensor instead of an optical linear displacement sensor. Furthermore, the mechanism that expands and contracts may be a mechanism that enables expansion and contraction in several stages. Further, the column stalk 22a can be operated in the vertical direction, more precisely in the clockwise direction d4 and the counterclockwise direction d3 with respect to the center of the steering wheel 21. The column stalk 22a can be operated in a direction d5 approaching the driver and a direction d6 away from the driver. Further, it is assumed that the column stalk 22a can be rotated clockwise or counterclockwise d7 around the axis of the column stalk 22a. Note that the column stalk 22a may include an enter button 221. The determination button 221 may be used for any other operation.

  FIG. 4 is a diagram showing a driver display device 23c which is an example of the display panel according to the first embodiment of the present invention. The driver display device 23 c includes a left display area 231, a center display area 232, and a right display area 233. In the left display area 231, for example, an oil temperature display 2311, a fuel display 2312, and a water temperature display 2313 are displayed. In the central display area 232, for example, an engine speed display 2321, a speed display 2322, and a shift position display 2323 are displayed. In the right display area 233, selection items 2331 to 2333 are displayed. However, it goes without saying that the display character string, the number of selection items, the arrangement, and the like of the selection items displayed in the right display area 233 are not limited thereto.

  The selection items 2331 to 2333 are displayed on the screen in a list format with options for a driver or the like to select a function or setting value of the in-vehicle device or the like. The selection item 2331 is an example of the highest-level menu item for performing settings related to screen display, for example. The selection item 2332 is an example of a top-level menu item for performing settings related to information such as a car navigation device and a car audio. The selection item 2333 is an example of the highest-level menu item for performing settings related to driving control of an automobile, for example.

  When a lower-level menu list is defined in the selection items 2331 to 2333, when any of the selection items 2331 to 2333 is selected by a driver or the like, the control unit 13 selects the right display area 233. Instead of the items 2331 to 2333, a menu list defined in the lower hierarchy of the selected item is displayed. In addition, when the menu list of the lower hierarchy is not defined for the selected item, the function indicated by the item is executed or the setting is changed by the designated setting value.

  Further, the driver display device 23c is not limited to the above-described three regions and display contents thereof. For example, the selection items 2331 to 2333 may be displayed in the left display area 231 or the central display area 232. Further, the driver display device 23c may be divided into regions other than those described above, or may not be divided into regions.

  Here, the details of the structure definition 112 will be described based on the selection items described above. The structure definition 112 is information in which the structures of a plurality of selection items are defined. The structure definition 112 can also be expressed, for example, by defining the level of the hierarchy and the selection item of the upper hierarchy for each selection item. In this case, the selection item has a hierarchical structure. In addition, the structure definition 112 can use various known definitions.

  FIG. 5 is a diagram showing an example of an item group and a hierarchical structure according to the first embodiment of the present invention. The structure definition 112 indicates that a menu list L1 at the highest level and menu lists L11, L111, L113, L12, and L122 are defined as lower levels. Specifically, selection items M1 to M3 are defined in the menu list L1 in the highest hierarchy. The selection items M11 to M13 are defined in the menu list L11 in the lower hierarchy of the selection item M1, and the selection items M21 to M23 are defined in the menu list L12 in the lower hierarchy of the selection item M2. Further, selection items M111 and M112 are defined in the menu list L111 in the lower hierarchy of the selection item M11, and selection items M131 and M132 are defined in the menu list L113 in the lower hierarchy of the selection item M13. In addition, selection items M221 and M222 are defined in the menu list L122 in the lower hierarchy of the selection item M22. Note that the relationship between each selection item in the structure definition 112 and the hierarchical structure is merely an example.

  FIG. 6 is a flowchart showing the flow of the display control process according to the first embodiment of the present invention. First, when the driver performs some operation on the operation lever 22, the acquisition unit 12 acquires operation information on the operation lever 22 (S11). Next, the control unit 13 determines whether or not the operation information is an operation for extending or contracting the operation lever in the axial direction (S12).

  When it is determined in step S12 that the operation information is an operation for extending / contracting the operation lever in the axial direction, the control unit 13 displays a hierarchy to be displayed according to the expansion / contraction of the operation lever 22 in the axial direction based on the structure definition 112. Is specified (S13). For example, when the menu list L1 is displayed in the right display area 233 and the selection destination is the selection item M2, it is assumed that the driver has performed an operation of reducing the operation lever 22 in the axial direction. In this case, the control unit 13 specifies the hierarchy one level lower than the selection item M2, that is, the second hierarchy from the top.

  Subsequently, the control unit 13 selects an item group corresponding to the identified hierarchy (S14). For example, the control unit 13 selects the selection items M21 to M23 belonging to the menu list L12 that is a hierarchy having the selection item M2 as a parent item. Then, the control unit 13 performs control so that the selected item group is displayed on the predetermined display panel 23 (S15). For example, the control unit 13 causes the selection items M21 to M23 to be displayed as a list in the right display area 233.

  For example, when the selection destination is the selection item M21, it is assumed that the driver has performed an operation of extending the operation lever 22 in the axial direction. In this case, the control unit 13 specifies the menu list L1 that is one level higher than the selection item M21. The control unit 13 displays the selection items M1 to M3 belonging to the menu list L1 in the right display area 233 as a list.

  Further, an operation lever that expands and contracts through stages may be configured as follows. That is, the storage unit 11 stores a combination of the expansion / contraction degree indicating the degree of expansion / contraction in a stepwise manner and the menu list that is the hierarchy of the structure definition 112. In step S12, it is determined that the operation information is an operation for extending / contracting the operation lever in the axial direction, and the degree of expansion / contraction is determined. The control unit 13 displays selection items belonging to the menu list based on the combination of the degree of expansion and contraction stored in the storage unit 11 and the menu list. For example, the storage unit 11 records the combination of the two-stage reduction and the menu list L113 in the operation lever that reduces the two stages from the extended state. Then, it is assumed that the driver performs an operation of reducing the operation lever 22 in two stages in the axial direction. In this case, the control unit 13 specifies the menu list L113 based on the combination. The control unit 13 displays the selection items M131 and M132 belonging to the menu list L113 in the right display area 233 as a list. The above combinations can be arbitrarily set by the user. Further, whether or not the operation of expanding and contracting is, for example, two-stage expansion or contraction is determined by the number of expansion and contraction operations performed within a predetermined time in step S12. Also good.

  On the other hand, when it is determined in step S12 that the operation information is not an operation for extending or retracting the operation lever in the axial direction, the control unit 13 determines whether or not the operation information is an operation for rotating the operation lever about the axis of the operation lever. (S16). When it is determined in step S16 that the operation information is an operation for rotating about the axis of the operation lever, the control unit 13 switches the selection destination of the displayed item group according to the rotation direction and performs a predetermined display. Control is performed to display on the panel 23 (S17).

  Note that after step S15 or S17, or when it is determined in step S16 that the operation information is not an operation for rotating about the axis of the operation lever, the process is terminated.

<Embodiment 2 of the Invention>
In the first embodiment described above, the column stalk has a shape that can rotate around the axis. However, in the second embodiment, the column stalk has a flat plate shape and rotates around the axis. It shows about what is not suitable. The configuration of the display control apparatus 10 according to the second embodiment is the same as that shown in FIG.

  FIG. 7 is a diagram illustrating an example of the shape of column stalk and the direction of operation according to the second embodiment of the present invention. The column stalk 22c in FIG. 7 is an example of a flat plate shape that is not suitable for axial rotation. However, the column stalk 22c of the second embodiment can be operated in the same manner as the column stalk 22a of FIG. 3 described above except for the axial rotation. The column stalk 22c may include a determination button 221c.

  FIG. 8 is a flowchart showing the flow of display control processing according to the second embodiment of the present invention. FIG. 8 is obtained by replacing steps S16 and S17 in FIG. 6 with steps S16a and S17a. And the same code | symbol is attached | subjected about the process equivalent to FIG. 6, and the overlapping description shall be abbreviate | omitted. Here, it is assumed that the column stalk 22c is located on the back surface of the steering wheel 21 when viewed from the driver.

  When it is determined in step S12 that the operation information is not an operation for extending or retracting the operation lever in the axial direction, the control unit 13 causes the operation information to move the operation lever 22 clockwise with respect to the center of the steering wheel 21 or a half clock. It is determined whether or not an operation of moving in the direction of turning, approaching the steering 21 or moving away from the steering 21 is indicated (S16a). If it is determined that the operation corresponds to one of the operations in step S16a, the control unit 13 switches a selection item to be selected from the item group 111 displayed on the predetermined display panel 23 according to the direction of movement, and performs a predetermined display. Control is performed so as to display on the panel 23 (S17a). For example, a case where the menu list L1 is displayed in the right display area 233 and the selection destination is the selection item M2 will be described. In the case of the operation of moving the column stalk 22c in the direction of d3 or d5 in FIG. 7, the control unit 13 selects the selection destination displayed in the right display area 233 from the selection item M2 and the selection item M1 displayed above. Switch to. Further, in the case of the operation of moving the column stalk 22c in the direction of d4 or d6 in FIG. 7, the control unit 13 selects the selection destination displayed in the right display area 233 from the selection item M2 and displayed below. Switch to item M3. The relationship between the direction and direction of movement and the switching of the selection destination is an example, and is not limited to these.

  Note that after step S15 or S17a, or if it is determined that the operation does not correspond to any of the operations in step S16a, the process ends.

<Third Embodiment of the Invention>
In the third embodiment of the present invention, the display panel to be controlled is switched according to the expansion / contraction operation in the axial direction of the operation lever. For example, the driver switches the display panel to be controlled to one of the rear view mirror 23a, the HUD 23b, the driver display device 23c, or the navigation screen 23d by an axial expansion / contraction operation of the operation lever. That is, the display control apparatus 10 can control a plurality of display panels, and the control unit can control the control object by another operation of the operation lever when the operation information indicates an operation of extending or contracting the operation lever in the axial direction. The control is performed so that a predetermined display panel is selected from a plurality of display panels. The configuration of the display control apparatus 10 according to the third embodiment is the same as that shown in FIG.

  FIG. 9 is a flowchart showing the flow of display control processing according to the third embodiment of the present invention. FIG. 9 is obtained by replacing steps S13 to S17 in FIG. 6 with steps S18 and S19. And the same code | symbol is attached | subjected about the process equivalent to FIG. 6, and the overlapping description shall be abbreviate | omitted.

  When it is determined in step S12 that the operation information is an operation for extending / contracting the operation lever in the axial direction, the control unit 13 performs another operation of the operation lever from among the plurality of display panels according to the expansion / contraction of the operation lever. A display panel to be controlled is selected (S18). On the other hand, when it is determined in step S12 that the operation information is not an operation for extending or retracting the operation lever in the axial direction, the control unit 13 controls the display panel to be controlled in accordance with another operation of the operation lever ( S19). In addition, a process is complete | finished after step S18 or S19. In addition, the memory | storage part 11 memorize | stores the combination of the expansion / contraction operation of an operation lever, and the display panel used as a control object, and may select the display panel used as a control object according to an expansion / contraction operation. When the operation lever is an operation lever that expands and contracts through stages, the combination of the expansion and contraction and the display panel to be controlled is stored, and the display panel to be controlled is selected according to the expansion and contraction. Also good.

  For example, when the driver display device 23c is currently a control target and the operation lever is extended by the driver, the control unit 13 switches the HUD 23b as the control target. Therefore, when the driver performs an operation other than the expansion / contraction of the operation lever, the display content of the HUD 23b is changed instead of the driver display device 23c. Therefore, according to the third embodiment, the driver can easily perform an operation of switching the display panel using the operation lever.

<Other embodiments of the invention>
In Embodiments 1 to 3 described above, examples of operation of the display panel by column Stoke have been described. However, it is conceivable that the operation on the display contents of the display panel can be realized by increasing the number of column Stoke buttons or by a complicated operation of column Stoke. However, a multi-function column stalk, which is an input device arranged on the back of the steering wheel, is optimal for the operation of the driver, particularly during the operation. The reason is that there is a limit to requesting an accurate operation during operation. Therefore, in this embodiment, the expansion and contraction in the axial direction is used as a simple operation for the column stalk. This eliminates the need for the driver's hand to be too far away from the steering wheel, and can realize a quick and easy operation, particularly during driving, thus ensuring the safety of traveling.

  In addition to switching the menu screen hierarchy by expanding and contracting the operation lever in the axial direction, the display contents can be switched to another predefined menu list, the order of selection items can be changed, the number of selection items increased or decreased It can also be applied to partial or complete replacement.

  Although the present invention has been described with reference to the above embodiment, the present invention is not limited only to the configuration of the above embodiment, and within the scope of the invention of the claims of the present application. It goes without saying that various modifications, corrections, and combinations that can be made by those skilled in the art are included.

  Further, the arbitrary processing of the above-described in-vehicle device can be realized by causing a CPU (Central Processing Unit) to execute a computer program. In this case, the computer program can be stored using various types of non-transitory computer readable media and supplied to the computer. Non-transitory computer readable media include various types of tangible storage media. Examples of non-transitory computer-readable media include magnetic recording media (for example, flexible disks, magnetic tapes, hard disk drives), magneto-optical recording media (for example, magneto-optical disks), CD-ROMs (Read Only Memory), CD-Rs, CD-R / W and semiconductor memory (for example, mask ROM, PROM (Programmable ROM), EPROM (Erasable PROM), flash ROM, RAM (random access memory)) are included. The program may also be supplied to the computer by various types of transitory computer readable media. Examples of transitory computer readable media include electrical signals, optical signals, and electromagnetic waves. The temporary computer-readable medium can supply the program to the computer via a wired communication path such as an electric wire and an optical fiber, or a wireless communication path.

  In addition to the case where the function of the above-described embodiment is realized by the computer executing the program that realizes the function of the above-described embodiment, this program is not limited to the OS ( A case where the functions of the above-described embodiment are realized in cooperation with an operating system or application software is also included in the embodiment of the present invention. Furthermore, the present invention is also applicable to the case where the functions of the above-described embodiment are realized by performing all or part of the processing of the program by a function expansion board inserted into the computer or a function expansion unit connected to the computer. It is included in the embodiment.

DESCRIPTION OF SYMBOLS 10 Display control apparatus 11 Memory | storage part 111 Item group 112 Structure definition 12 Acquisition part 13 Control part 21 Steering 22 Operation lever 23 Display panel

Claims (9)

An acquisition unit for acquiring operation information for the operation lever;
A control unit that performs control related to a predetermined display panel when the operation information indicates an operation of extending or contracting the operation lever in the axial direction;
A display control device. A storage unit that stores a plurality of item groups that are combinations of a plurality of selection items;
The controller is
2. The display according to claim 1, wherein one of the plurality of item groups is selected according to axial expansion and contraction of the operation lever, and the control is performed so that the selected item group is displayed on the predetermined display panel. Control device. The storage unit further stores a structure definition in which the plurality of item groups are hierarchized,
The controller is
Based on the structure definition, a display target hierarchy corresponding to the expansion and contraction of the operation lever in the axial direction is specified, the item group corresponding to the specified hierarchy is selected, and displayed on the predetermined display panel. The display control apparatus according to claim 2, wherein the control is performed. The storage unit stores a combination of the plurality of item groups and the degree of expansion / contraction of the operation lever,
The control unit performs the control so as to select one of the plurality of item groups according to the degree of expansion / contraction based on the combination and to display the selected item group on the predetermined display panel. Item 3. The display control device according to Item 2. The controller is
When the operation information indicates an operation to rotate about the axis of the operation lever, the selection item of the selection destination is switched among the item groups displayed on the predetermined display panel according to the direction of the rotation. The display control apparatus according to any one of claims 2 to 4, wherein the control is performed such that the display is displayed on the display panel. The operation lever is located on the back of the steering wheel,
The controller is
When the operation information indicates an operation of moving the operation lever clockwise or counterclockwise with respect to the center of the steering, or a direction approaching the steering or a direction away from the steering 5. The control is performed so that a selection item selected from among a group of items displayed on the predetermined display panel is switched according to the movement direction and displayed on the predetermined display panel. The display control apparatus according to any one of the above. The controller is
When the operation information indicates an operation of extending or contracting the operation lever in the axial direction, the predetermined display panel to be controlled by another operation of the operation lever is selected from a plurality of display panels. The display control device according to claim 1, wherein control is performed. Obtaining operation information for the operation lever;
When the operation information indicates an operation of extending or contracting the operation lever in the axial direction, performing a control on a predetermined display panel;
A display control method. Obtaining operation information for the operation lever;
When the operation information indicates an operation of extending or contracting the operation lever in the axial direction, performing a control on a predetermined display panel;
A display control program that causes a computer to execute.

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