JP2012123475A - Information processor and display method - Google Patents

Information processor and display method Download PDF

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Publication number
JP2012123475A
JP2012123475A JP2010271773A JP2010271773A JP2012123475A JP 2012123475 A JP2012123475 A JP 2012123475A JP 2010271773 A JP2010271773 A JP 2010271773A JP 2010271773 A JP2010271773 A JP 2010271773A JP 2012123475 A JP2012123475 A JP 2012123475A
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display area
screen
layer
displayed
display
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JP2010271773A
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Japanese (ja)
Inventor
Noriyuki Kamikawa
Tatsuki Kubo
Sachi Miyamoto
則幸 上川
竜樹 久保
紗知 宮本
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Fujitsu Ten Ltd
富士通テン株式会社
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Priority to JP2010271773A priority Critical patent/JP2012123475A/en
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Abstract

PROBLEM TO BE SOLVED: To select information having a hierarchical structure with simple operation and reduce the number of times of operation for selecting a different upper layer.SOLUTION: An information processor including a display device for displaying information and a storage device executes: a step of reading out, from the storage device, at least an option group of a first layer included in the hierarchical structure and an option group of a second layer corresponding to one option of the first layer; and a step of displaying, in an operable manner on the display device, at least the option group of the first layer and the option group of the second layer corresponding to the one option of the first layer together.

Description

  The present invention relates to an information processing apparatus that displays information.

  Conventionally, in a display system, a GUI (Graphical User Interface) has been adopted as a user interface. In a display system that employs such a GUI, a plurality of options that can be selected by the user are displayed on the display. A command for the display system is assigned to each of the plurality of options. The user selects a desired option using the operation member. As a result, the command assigned to the option selected by the user is executed in the display system.

  Also, in recent display systems, there are many commands that can be executed by the user's selection due to the diversification of installed functions. For this reason, in recent display systems, a GUI is adopted that categorizes these commands into a hierarchical structure and accepts selection of one command from commands included in the options of any hierarchy of the hierarchical structure. (See, for example, Patent Documents 1 and 2).

JP 2007-281582 A JP 2008-191728 A

  A user of a display system that selects a command from the above hierarchical structure selects a desired command to be executed by the display system by selecting an option for each hierarchy in order from the highest hierarchy. .

  By the way, in such a display system, when the hierarchy to be displayed on the display (hierarchy to be selected as an option) is changed to a hierarchy lower than the upper hierarchy different from the upper hierarchy of the current hierarchy. Many operations are required. Specifically, first, the user performs an operation of switching the hierarchy to be displayed one by one from the current hierarchy to the upper hierarchy one by one, so that the hierarchy whose upper hierarchy can be changed is made the display target. In this state, an operation for changing the upper hierarchy is performed. Furthermore, an operation of switching the hierarchy to be displayed one by one to a lower hierarchy is performed, so that the target hierarchy is made the display target.

  As the number of necessary operations increases as described above, the user feels very complicated, and improvement is desired. For example, in a display system mounted on a vehicle, a user operates the display system while paying attention to the situation around the vehicle and other instruments of the vehicle during a relatively short period such as when the vehicle is waiting for a signal. A scene arises. For this reason, in the display system mounted in a vehicle, the technique which can reduce the frequency | count of a required operation was desired.

  The present invention has been made in view of the above problems, and provides a technique that can be selected by a simple operation in information having a hierarchical structure, mainly a technique that can reduce the number of operations for selecting different upper layers. The purpose is to do.

  One of the aspects for solving the above problem is that at least a first hierarchy option group included in the hierarchical structure and a second hierarchy option group corresponding to one of the first hierarchy options. Both are information processing apparatuses including a display control unit that is displayed on a display device in an operable state.

  According to the configuration according to the present application, it is possible to reduce the number of operations for selecting a different upper layer mainly by a technique that can be selected by a simple operation in information having a hierarchical structure.

It is a figure which shows an example of the hierarchical structure of audio | voice data. It is a figure which shows the example of the basic menu selection screen of an AVN integrated machine. It is a figure which shows the example of a basic menu selection screen. It is a figure which shows the example of a basic menu selection screen. It is a figure which shows the example of a basic menu selection screen. It is a figure which shows the example of a selection start screen. It is a figure which shows the example of a 2nd layer selection screen. It is a figure which shows the example of a multi selection screen. It is a figure which shows the example of a multi selection screen. It is a figure which shows the example of a selection result output screen. It is a figure which shows the list of the transition of the screen of FIGS. It is a figure which shows the example of the transition of the multi selection screen in the process of a forward direction. It is a figure which shows the example of the transition of the multi selection screen in the process of a reverse direction. It is a figure which shows the structural example of a multi selection screen. It is a figure which shows the example of a display of a basic menu display area. It is a figure which shows the example of the hardware constitutions of an AVN integrated machine. It is an example of the functional block diagram of the control part of an AVN integrated machine. It is a figure which shows the example of a part of information hold | maintained at a memory | storage part. It is an example of the flowchart which concerns on the display process of a basic menu display area. It is an example of the flowchart of the process which concerns on a basic menu display area while the basic menu display area is displayed on the screen. It is an example of the flowchart of the process which concerns on a shortcut display area. It is an example of the flowchart of the process with respect to the touch panel operation during selection start screen display. It is an example of the flowchart of the process with respect to the touch panel operation during selection start screen display. It is an example of the flowchart of the process with respect to the touch panel operation during selection start screen display. It is an example of the flowchart of the process with respect to the touch panel operation during selection start screen display. It is an example of the flowchart of the process with respect to the touch panel operation in the 2nd layer selection screen display. It is an example of the flowchart of the process with respect to the touch panel operation in the 2nd layer selection screen display. It is an example of the flowchart of the process with respect to the touch panel operation during the multi selection screen display. It is an example of the flowchart of the process with respect to the touch panel operation during the multi selection screen display. It is an example of the flowchart of the process with respect to the touch panel operation during the multi selection screen display. It is an example of the flowchart of the process with respect to the touch panel operation during the multi selection screen display. It is an example of the flowchart of the process with respect to the touch panel operation during selection result output screen display. It is a figure for demonstrating the scroll process of a list. It is a figure for demonstrating the scroll process of a list. It is an example of the flowchart of the process which concerns on the fixed display of the item currently selected in the scroll process of a list. It is an example of the flowchart of the reproduction process of the music selected in the music selection process of reproduction object. It is a figure which shows the example of a display of an index display area. It is an example of the functional block diagram of the control part of an AVN integrated machine. It is a hierarchical structure list | wrist of 2nd Embodiment hold | maintained at a memory | storage part. It is an example of the flowchart of the process which concerns on an index display area. It is an example of the flowchart of the process which concerns on an index display area.

  DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments for carrying out the present invention (hereinafter referred to as embodiments) will be described with reference to the drawings. The configuration of the following embodiment is an exemplification, and the present invention is not limited to the configuration of the embodiment.

<First Embodiment>
In the first embodiment, a hierarchical structure display method and operation method when audio data to be reproduced by an information processing apparatus is selected will be described. Here, although an in-vehicle device is described as one of the embodiments as an information processing device, the configuration according to the present application is not limited to the in-vehicle device. For example, a portable mobile terminal (for example, a PND, a mobile phone, It can also be realized in a portable display device. The in-vehicle device according to the configuration of the present application is referred to as an AVN integrated device. Here, the AVN integrated device is an in-vehicle electronic device that integrally has an audio function, a visual function, and a navigation function.

(Hierarchical structure)
FIG. 1 is a diagram illustrating an example of a hierarchical structure of audio data. In the example shown in FIG. 1, the first layer is the top layer, and the lower the layer as the number increases.

  The elements of the first layer include “playlist”, “artist”, “album”, “music title”, and “genre”. Since the hierarchical structure starts with an element of the first layer as a starting point, the element of the first layer is referred to as a root in the first embodiment. By selecting the element of the first layer, the elements of the hierarchy below the second layer are determined, that is, the hierarchical structure is determined.

  For example, by selecting “playlist” as a route, the user can select music to be reproduced from music narrowed down by the playlist. In the first embodiment, the music indicates audio data. When “playlist” is selected as the root, the hierarchical structure is “playlist” → “playlist name list” → “music name list for each playlist”, and the hierarchy is three layers. The playlist is a collection of audio data selected by the user of the AVN integrated device, and each playlist is given a name by the user or automatically. The playlist name list is a list of names of all playlists included in the audio source of the AVN integrated device, and is arranged in, for example, alphabetical order or alphabetical order. The song name list for each playlist is a list of song names included in the playlist, and is arranged in the order set by the user.

For example, by selecting “artist” as the root, the user can narrow down the music by using the artist name and select the music to be played. When “Artist” is selected as the root, the hierarchical structure is “Artist” → “Artist name list” → “Album name list for each artist” → “Music name list for each album”. Become. The artist name is the name of a music player, singer, group, or the like. The artist name list is a list of all artist names in the source of the AVN integrated device, and is arranged in, for example, alphabetical order or alphabetical order. The album name list for each artist is a list of album names of a certain artist in the source of the AVN integrated device, and is arranged in, for example, alphabetical order or alphabetical order. The song name list for each album is a list of names of songs included in a certain album in the source of the AVN integrated device, and is arranged in the order recorded in the album.

  For example, by selecting “album” as a root, the user can select music to be played back by narrowing down music from the album name list using the album name as a clue. When “album” is selected as the root, the hierarchical structure is “album” → “album name list” → “music name list for each album”, and there are three layers. The album name list is a list of names of all albums in the source of the AVN integrated device, and is arranged in, for example, the alphabetical order or alphabetical order. The song name list for each album may be the same list as the “music name list for each album” which is an element of the fourth layer of the hierarchical structure with “artist” as the root.

  For example, the user can select a music to be played from the music name list by selecting “music name” as the root. When “song name” is selected as the root, the hierarchical structure is “song name” → “song name list”, and the hierarchy is two layers. The song name list is a list of names of all songs in the source of the AVN integrated device, and is arranged in, for example, alphabetical order or alphabetical order.

  For example, by selecting “genre” as the root, the user can select music to be played by narrowing down the genre from the list of genre names. When “genre” is selected as the root, “genre name” → “genre name list” → “artist name list by genre” → “album name list by artist” → “music list by album” It has a hierarchical structure, and the hierarchy is five layers. The genre name list is a list of genre names of songs in the source of the AVN integrated device, and is arranged in, for example, alphabetical order or alphabetical order. The artist name list for each genre is a list of names of artists classified into a certain genre, and is arranged, for example, in alphabetical order or alphabetical order. The album name list for each artist may be the same list as the “album name list for each artist” which is an element of the third layer of the hierarchical structure having “artist” as a root. The song name list for each album is the elements of the fourth layer of the hierarchical structure having “artist” as the root, “the song name list for each album”, and the third layer of the hierarchical structure having “album” as the root. It may be the same list as the element “music list for each album”.

(Screen transition example of playback music selection process)
2, 3, 4, 5, 6, 7, 8, 9, and 10, Apple's iPod (registered trademark) is used as an audio source, and the hierarchical structure of FIG. 1 is used. Among them, the music to be played is selected according to the hierarchical structure with “artist” as the root, that is, “artist” → “artist name list” → “album name list by artist” → “song name list by album” It is a figure which shows an example of the transition of the screen display of an AVN integrated machine in the case of being performed. It is assumed that the hierarchical structure of music in the iPod is the hierarchical structure shown in FIG. Hereinafter, when expressing as right and left, unless otherwise specified, the right and left are indicated on the screen.

  Here, iPod (registered trademark) is described as an example. However, the present invention is not limited to this, and any music playback device that can cooperate with an AVN integrated device may be used. In this case, the item “iPod (registered trademark)” is not displayed in the basic menu described below. Instead, a display that can identify the music playback device connected to the AVN integrated device is performed (for example, a device name, a trademark, etc. are displayed).

  The operations on the screen of the AVN integrated device, that is, the operation of the user's finger on the touch panel recognized by the AVN integrated device include, for example, push, release, scroll, flick, and slide. Push is an operation of pressing the touch panel at a predetermined pressure or more, and release is an operation of releasing a finger from the touch panel. By combining push and release, an operation for selecting an item displayed in the area including the released position is performed. Scrolling is an operation of moving a finger on a touch panel at a predetermined speed for a predetermined distance. For example, the scrolling is an operation of changing a screen or moving a display object in a certain display area. Although flicking is an operation of moving a finger on the touch panel in the same manner as scrolling, the moving distance is shorter than scrolling. The flick is, for example, an operation of changing the screen, moving a display object within a certain display area, or an operation of selecting an item from the touch position, like scrolling. The slide is an operation of moving the finger on the touch panel at a slower speed than the scroll while keeping the finger in contact with the slide, and is a drag and drop operation in combination with push and release.

  FIG. 2 is a diagram showing an example of a basic menu selection screen of the AVN integrated device. The basic menu selection screen is, for example, a top screen that is displayed when the AVN integrated device is started up, after the opening screen, or when the mode of the AVN integrated device is selected.

The basic menu selection screen SC1 shown in FIG. 2 includes a basic menu display area A1, a navigation display area A2, and a shortcut display area A3.
The basic menu display area A1 is an area for displaying items indicating basic functions of the AVN integrated device. Hereinafter, items indicating basic functions of the AVN integrated device are referred to as basic menus. A hierarchical structure as shown in FIG. 1 exists for each basic menu (hierarchical structure group). The navigation display area A2 is a navigation area in which, for example, the current position of the vehicle equipped with the AVN integrated device, the destination, the route from the current position to the destination, road traffic congestion information, and the like are displayed. The shortcut display area A3 is an area where icons of shortcut menus are displayed.

  In the first embodiment, the basic menu of the AVN integrated device includes “present location”, “destination”, “iPod (registered trademark)”, “vehicle”, “information / G”, “phone”, and “setting / "Edit" is included. “Current location” in the basic menu is an item for displaying the current position of the vehicle equipped with the AVN integrated device. When “Current location” is selected, the navigation display area A2 is displayed on the screen, and the navigation display area A2 is displayed. The current position of the vehicle on which the AVN integrated device is mounted is displayed. The basic menu selection screen SC1 is a setting in which the current position of the AVN integrated device is displayed in the navigation display area A2 by default, that is, a setting in which “current location” in the basic menu is selected. “Destination” in the basic menu is an item for setting a destination. When “Destination” is selected, for example, a screen is displayed for selecting a destination from registered destinations. , Transition to a screen for searching for a destination.

“IPod (registered trademark)” in the basic menu is an item for selecting a music to be played from Apple's iPod (registered trademark) as an audio source. When “iPod (registered trademark)” is selected, The screen transitions to the screen for selecting the music to be played back in FIG. In the first embodiment, since the AVN integrated device is configured on the assumption that iPod (registered trademark) is used as the main source of the audio source, “iPo” is displayed in the basic menu.
d (registered trademark) ”is included. However, it is also possible to use a music playback device other than iPod as the main source of the audio source. In this case, an item indicating the music playback device used as the main source is displayed in the basic menu instead of “iPod”. Is displayed.

“Vehicle” in the basic menu is an item for displaying information related to the vehicle such as the travel distance and fuel consumption of the vehicle equipped with the AVN integrated device. When “vehicle” in the basic menu is selected, the screen changes to a screen that displays information about the vehicle. "Information / G" in the basic menu is an item for selecting information and data management related to the AVN integrated system, VICS (Vehicle Information and Communication System) information, and GPS (Global Positioning System) information. is there. When “Information / G” in the basic menu is selected, the screen changes to a screen for selecting information that the user wants to display from data management, VICS, GPS, or the like.

  “Phone” in the basic menu is an item for connecting the AVN integrated device and the user-owned mobile phone terminal by Bluetooth (registered trademark) or the like and making a call from the mobile phone terminal in a hands-free manner. When “phone” in the basic menu is selected, the screen changes to a screen for setting a destination. “Setting / Editing” in the basic menu is an item for displaying a screen for setting and editing functions such as navigation, telephone, audio, and driving support. When “setting / editing” in the basic menu is selected, the screen changes to a screen for selecting a function to be set and edited from navigation, telephone, audio, driving support, and the like.

  When the shortcut menu displayed in the shortcut display area A3 is selected, the operation set in the shortcut menu is performed. For example, when the shortcut menu for reproducing the music A is selected, the music A starts to be reproduced, and the screen changes from the basic menu selection screen to a screen indicating that the music A is being reproduced. If a selection target (music piece, selection item, etc.) is dragged and dropped in the shortcut display area A3 while the shortcut display area A3 is being displayed, a shortcut menu for operations on the selection target is generated.

  FIG. 3 is a diagram illustrating an example of a basic menu selection screen when “iPod” of the basic menu is pushed in the basic menu display area A1. When the basic menu “iPod” is pushed, the screen changes from the basic menu selection screen SC1 shown in FIG. 2 to the basic menu selection screen SC2 shown in FIG. On the screen of the AVN integrated device, not limited to the basic menu selection screen, the display area of the selected item is highlighted, for example, changed to a display color different from other items. On the basic menu selection screen SC2, the display color of the display area of the item “iPod” in the selected basic menu display area A1 is displayed in reverse with other items. In the basic menu selection screen SC2, “source” is displayed on the right side of “iPod” of the selected basic menu. “Source” is an item for selecting an audio source (including iPod) included in the AVN integrated device. When the user slides his / her finger from the “iPod” display area of the basic menu display area A1 to the “source” display area, the screen changes to the basic menu selection screen SC3 shown in FIG. When the user lifts (releases) his / her finger in the “iPod” display area of the basic menu display area A1, “iPod” is selected as the audio source, and the screen changes to a selection start screen SC5 shown in FIG. When the audio source is selected, the music selection process to be reproduced is started.

FIG. 4 shows an example of the basic menu selection screen when the user pushes the “iPod” display area of the basic menu on the basic menu selection screen and then slides his / her finger on the “source” display area. FIG. In the basic menu selection screen SC3, the display color of the “source” display area is inverted when the user slides his / her finger from the “iPod” display area of the basic menu to the “source” display area. When the user releases (releases) the finger in the “source” display area, the screen changes to a basic menu selection screen SC4 shown in FIG.

  FIG. 5 shows the basic menu selection screen when the user pushes the “iPod” display area of the basic menu and then slides the finger to the “source” display area and then releases it. It is a figure which shows an example. In the basic menu selection screen SC4, since “source” is selected in the basic menu selection screen SC3 shown in FIG. 4, the “source” item is displayed instead of the “iPod” item in the basic menu display area A1. ing. In the basic menu display screen SC4, since “source” in the basic menu is being selected, the display color is highlighted and highlighted. Also, on the basic menu selection screen SC4, an audio source list display area A4 including a list of audio sources that can be used by the AVN integrated device is displayed on the right side of the basic menu display area A1 and is superimposed on the navigation display area A2. . For example, audio sources that can be used by the AVN integrated device include AM radio (“AM” in FIG. 5), FM radio (“FM” in FIG. 5), iPod, and television (“TV” in FIG. 5). is there. For example, when the user touches the “iPod” display area in the audio source list area A4, the display color of the “iPod” display area is highlighted and highlighted, and the user releases his / her finger in the “iPod” display area ( Release) and “iPod” is selected as the audio source, and the screen transitions to a selection start screen SC5 shown in FIG. When the audio source is selected, the music selection process to be reproduced is started.

  FIG. 6 is a diagram illustrating an example of a selection start screen serving as a top screen in the music selection process to be played. From the selection start screen SC5, a process of selecting music to be played using the hierarchical structure (playback target music selection process) is started. The selection start screen SC5 includes a first layer display area A5 and a second layer display area A6. In addition, on the selection start screen SC5, at least the first layer display area A5 has such a width that each item name (name of the item to be the root) is displayed. For example, the ratio of the first layer display area A5 and the second layer display area A6 on the screen is preferably 5: 5 to 4: 6.

  In the first layer display area A5, the root of the hierarchical structure is displayed as a list. That is, in the first layer display area A5, for example, playlists, artists, albums, songs, and genres, which are the elements of the first layer of the hierarchical structure shown in FIG. 1, are displayed as list items together with respective icons. Has been. In the second layer display area A6, a list corresponding to the selected item (root) of the first layer is displayed.

  In the first layer display area A5 and the second layer display area A6, the last display state, that is, a list of last modes is displayed. However, when the last mode does not exist in the displayed list, for example, when the AVN integrated device is started from the initial state, the first layer display area A5 is a list composed of the elements (root) of the first layer. Is displayed in an initial state in which no item (element) is selected. In the second layer display area A6, the second layer list corresponding to the top item of the list displayed in the first layer display area A5 is displayed in an initial state in which no item is selected. In FIG. 6, a list including the roots of the hierarchical structure of FIG. 1 is displayed in the initial state in the first layer display area A5, and is displayed in the first layer display area A5 in the second layer display area A6. A “playlist name list” in the second layer of the hierarchical structure having “playlist” at the top of the list as a root is displayed in an initial state. It should be noted that the list to be displayed is displayed in the last mode in any display area of any screen thereafter, and is displayed in the initial state when the last mode does not exist.

In the first layer display area A5 and the second layer display area A6, when the displayed list items do not fit in the display area, the first layer display area A5 and the second layer display area A6 can be scrolled up and down. The list displayed in response to the scroll operation by the user is also scrolled and displayed. In FIG. 6, since all the elements of the hierarchical structure of FIG. 1 are displayed in the first layer display area A5, the first layer display area A5 is not in a scrollable state. In FIG. 6, the playlist name list (see FIG. 1) is displayed in the second layer display area A6, but not all items of the playlist name list are displayed in the second layer display area A6. The second layer display area A6 is scrollable up and down. The user can confirm all items in the playlist name list displayed in the second layer display area A6 by scrolling the finger up and down in the second layer display area A6.

  For example, when the user selects “Artist” from the list displayed in the first layer display area A5, the screen changes to the second layer selection screen SC6 shown in FIG.

  FIG. 7 is a diagram illustrating an example of the second layer selection screen. Second layer selection screen SC6 includes a first layer display area A5 and a second layer display area A6. In the second layer selection screen SC6, the first layer display area A5 is folded to display only the icons of the items of the first layer. Since “Artist” in the first layer display area A5 is selected on the selection start screen SC5 shown in FIG. 6, the display color of the icon indicating the artist in the first layer display area A5 is highlighted and highlighted in FIG. Has been.

  In the second layer display area A6, a second-layer “artist name list” (see FIG. 1) having a hierarchical structure with “artist” as an item selected in the first layer as a root is displayed. Since the artist name list cannot be displayed in the second layer display area A6, the artist name list is scrollable. Further, in the second layer display area A6 of the second layer selection display screen SC6, as in the selection start screen shown in FIG. 6, the last state of the list of the second layer corresponding to the selection item of the first layer (last Mode) is displayed.

  Since the second layer selection screen SC6 is the main screen for selecting items of the second layer, the second layer selection screen SC6 occupies the screen of the second layer display area A6 as compared to the selection start screen SC5 shown in FIG. For example, the display ratio in the screen of the first layer display area A5 and the second layer display area A6 is preferably about 1: 9 to 2: 8.

  For example, when “Artist D” in the second layer display area A6 shown in FIG. 7 is selected, the display color of the “Artist” display area in the second layer display area A6 is highlighted and highlighted. A transition is made to the multi-selection screen SC7 shown in FIG.

  FIG. 8 is a diagram illustrating an example of a multi-selection screen displayed in a state where the first layer, the second layer, and the third layer can be operated. The multi-selection screen is a screen for displaying a plurality of layers in an operable state, and is a screen for mainly selecting the lowest layer item among the displayed layers.

  The multi-selection screen SC7 shown in FIG. 8 includes a first layer display area A5, a second layer display area A6, and a third layer display area A7. In the multi-selection screen SC7 in FIG. 8, a third layer display area A7 is added to the second layer selection screen SC6 shown in FIG. 7, and the third layer display area A7 is displayed in front of the second layer display area A6. It is the state that was done. Therefore, the first layer display area A5 and the second layer display area A6 are the same as the second layer selection screen SC6 shown in FIG.

  In the third layer display area A7, a list of the third layer corresponding to the selected item of the second layer is displayed. In FIG. 8, in the third layer display area A7, an “album name list of artist D” (see FIG. 1) corresponding to “artist D” selected in the second layer is displayed. In FIG. 8, the album name list of artist D fits in the third layer display area A7, so that it cannot be scrolled.

  The multi-selection screen SC7 shown in FIG. 8 has the highest ratio of the third layer display area A7 in the screen because the main screen is to select the third layer item. For example, the display ratio in the screen of the first layer display area A5, the second layer display area A6, and the third layer display area A7 is approximately 1: 4: 5.

  For example, when “Album BB” in the third layer display area shown in FIG. 8 is selected, the display color of the display area of “Album BB” is highlighted and highlighted, and the screen is the multi-select shown in FIG. Transition to screen SC8.

  FIG. 9 is a diagram illustrating an example of a multi-selection screen displayed in a state where the first layer, the third layer, and the fourth layer can be operated. The multi-selection screen SC8 shown in FIG. 9 includes a first layer display area A5, a second layer display area A6, a third layer display area A7, and a fourth layer display area A8. In the fourth layer display area A8, the “music list of album BB” (see FIG. 1) corresponding to the selected item “album BB” in the third layer is displayed. Since the music list items of album BB do not fit in the fourth layer display area A8, the fourth layer display area A8 can be scrolled up and down.

  In the multi-selection screen SC8 shown in FIG. 9, the fourth-layer display area A8 is added to the multi-selection screen SC7 shown in FIG. 8, and the fourth-layer display area A8 becomes the second-layer display area A6 and the third-layer display area. It is a screen displayed on the foremost side by being superimposed on A7. In the multi-selection screen SC8 shown in FIG. 9, the third layer display area A7 is displayed in an operable state for the third layer, which is one layer above the fourth layer, which is the main item selection, For the second layer above the third layer, the second layer display area A6 is folded and displayed to the extent that the display position of the selection item can be understood. However, since the first layer display area A5 is always displayed on the multi selection screen, the first layer display area A5 is also displayed on the multi selection screen SC8 shown in FIG.

  A multi-selection screen SC8 shown in FIG. 9 is a screen for mainly selecting items in the fourth layer. Therefore, in the multi-selection screen SC8 shown in FIG. 9, the ratio of the fourth layer display area A8 in the screen is the highest. For example, in the multi-selection screen SC8 shown in FIG. 9, the display ratio in the screen of the first layer display area A5, the third layer display area A7, and the fourth layer display area A8 is approximately 1: 4: 5. .

  When “music ad” in the fourth layer display area A8 shown in FIG. 9 is selected, the display color of the display area of “music ad” is highlighted and highlighted. Since the fourth layer is the lowest layer of the hierarchical structure with “artist” as the root, when “music ad” is selected, the music selection process to be reproduced is ended and the display of the multi-selection screen is also ended. The screen changes to a selection result output screen SC9 shown in FIG.

  FIG. 10 is a screen showing an example of a selection result output screen. The selection result output screen is a screen for outputting the result of the music selection process to be reproduced. The selection result output screen SC9 includes an attribute information display area A9 and a “return” button display area A10. The attribute information display area A9 is an area for displaying attribute information of the selected music piece. The song attribute information includes, for example, a song name, an album name in which the song is recorded, an artist name of the song, an image of an album jacket in which the song is recorded. The “return” button display area A10 is an area for displaying a “return” button for returning to the selection start screen.

FIG. 11 is a diagram showing a list of transitions of the screens SC1 to SC9 described in FIGS. In FIG. 11, the screen transition from the upper layer to the lower layer described with reference to FIGS. 2 to 10 is indicated by a solid arrow. The process flow from the upper layer to the lower layer is referred to as a forward direction in the first embodiment. In FIG. 11, for example, a screen transition from the lower layer to the upper layer by a flick operation from left to right is indicated by a dotted arrow. In the first embodiment, the process flow from the lower layer to the upper layer is referred to as the reverse direction. Note that the operation for transitioning the screen in the forward direction is not limited to a series of operations of releasing after push. Further, the operation for changing the screen in the reverse direction is not limited to the flick from the left to the right, and may be the scroll from the left to the right.

  In the first embodiment, it is assumed that the screen transitions according to the screen transition list shown in FIG. However, the screen transition is not limited to the example shown in FIG. The forward screen transition is as described with reference to FIGS. In addition to this, in the forward screen transition, for example, in the selection start screen SC5 shown in FIG. 6, items displayed in the second layer display area A6 instead of items displayed in the first layer display area A5 When is selected, the second layer selection screen is not displayed and the screen transits to the multi selection screen.

  The screen transition in the reverse direction is as follows. If a flick from left to right is detected while the selection result output screen SC9 is being displayed, the screen changes from the selection result output screen SC9 to the multi-selection screen SC8 that was displayed immediately before. If a flick from left to right is detected while the multi selection screen SC8 is displayed, the screen changes from the multi selection screen SC8 to the multi selection screen SC7. If a flick from left to right is detected while the multi selection screen SC7 is displayed, the screen changes from the multi selection screen SC7 to the second layer selection screen SC6. If a flick from the left to the right is detected while the second layer selection screen SC6 is displayed, the screen changes from the second layer selection screen SC6 to the selection start screen SC5. If a flick from left to right is detected while the selection start screen SC5 is displayed, the screen changes from the selection start screen SC5 to the basic menu selection screen SC1.

  FIG. 12 is a diagram illustrating an example of the transition of the multi-selection screen in the forward process. FIG. 12 shows a state of transition from the multi-selection screen SC7 shown in FIG. 8 to the multi-selection screen SC8 shown in FIG. When the user's finger is released after touching the display area of “Album BB” in the third layer display area A7 of the multi-selection screen SC7, “Album BB” is selected.

  A multi-selection screen SC7-1 shown in FIG. 12 is an example of a multi-selection screen in the middle of transition from the multi-selection screen SC7 to the multi-selection screen SC8 after the third layer item is selected. When the item of the third layer is selected, the fourth layer display area A8 enters the screen from the right end of the screen, and at the same time, the third layer display area A7 moves from the right to the left. Further, since the third layer display area A7 is displayed in front of the second layer display area A6, the display area of the second layer display area A6 becomes smaller as the third layer display area A7 moves. (Hidden behind the third layer display area A7) and finally the multi-select screen SC8.

  FIG. 13 is a diagram illustrating an example of the transition of the multi-selection screen in the reverse processing. FIG. 13 shows a state of transition from the multi selection screen SC8 shown in FIG. 9 to the multi selection screen SC7 shown in FIG. When the user flicks a finger from left to right on the touch panel while the multi selection screen SC8 is being displayed, a screen transition from the multi selection screen SC8 to the multi selection screen SC7 is executed.

  A multi-selection screen SC7-2 shown in FIG. 13 is an example of a multi-selection screen in the middle of screen transition from the multi-selection screen SC8 to the multi-selection screen SC7. When a flick operation from left to right is detected during display of the multi-selection screen SC8, the third layer display area A7 and the fourth layer display area A8 are displayed on the screen. Move from left to right until it runs out. With the movement of the third layer display area A7 and the fourth layer display area A8, the display area of the second layer display area A6 becomes larger (appears gradually), and finally becomes the multi-selection screen SC7.

(Multi selection screen)
FIG. 14 is a diagram illustrating a configuration example of a multi-selection screen. As described above, the multi-selection screen is a screen that is displayed in an operable state of items (options) in a plurality of layers in the hierarchical structure. The operable state indicates a state in which the display area display changes according to the operation of the touch panel on the display area. For example, when a user's finger touches one display area of a list (option group) displayed in a display area of a certain hierarchy, the display color of the display area of the item becomes a color different from other items. In other words, when the user scrolls the finger up and down in the display area of the hierarchy, the list displayed in accordance with the movement is also scrolled.

  Let N (N: a natural number not including 0) be the number of hierarchies of a hierarchical structure whose root is a certain element in the first layer of the hierarchical structure list as shown in FIG. Also, the lowest layer of the layers displayed on the multi-selection screen is the X layer (3 ≦ X ≦ N). Then, in the multi-selection screen SC10, the first layer display area A5, the X layer display area, the X-1 layer display area, the X-2 layer display area,. . . , A second layer display area A6, of which the first layer display area A5, the X layer display area, and the X-1 layer area are displayed in an operable state. The other display layers A6 to X-2 are displayed in a folded manner (hidden by the X-1 display layer and the X display region).

  However, the configuration of the multi-selection screen is not limited to that described above, and for example, the display areas of all layers included in the multi-selection screen may be displayed in an operable state. That is, on the multi-selection screen, at least the display area of the lowest layer of the hierarchies included in the multi-selection screen and the display area of the layer one layer above the lowest layer are displayed so as to be selectable. Good.

  For example, when a new item is selected separately from the currently selected item of the list displayed in the X-1 layer display area on the multi-selection screen SC10, the list displayed in the X layer display area is The list is changed to the list corresponding to the newly selected item.

  Further, for example, when an item (root) is newly selected in addition to the currently selected item (root) in the first layer display area A5 on the multi selection screen SC10, the multi selection screen SC10 is displayed on the second layer selection screen SC10. Transition to. In the second layer display area A6 included in the second layer selection screen at this time, a list of elements in the second layer of the hierarchical structure having the newly selected item as a root is displayed. Also, the present invention is not limited to this, and when a new item (root) is selected in addition to the currently selected item (root) in the first layer display area A5 on the multi-selection screen SC10, it is included in the multi-selection screen. In the second layer display area A6, a list of elements of the second layer of the hierarchical structure having the newly selected item as a root is displayed, and a third layer corresponding to the selection item of the second layer is displayed in the third layer display area A7. A list of layers may be displayed. In any case, it is assumed that the displayed list is in the last mode. In the first embodiment, when a new item (root) is selected in addition to the currently selected item (root) in the first layer display area A5 on the multi-selection screen SC10, the multi-selection screen SC10 is displayed on the second layer. It shall transition to the selection screen.

  In the multi-selection screen SC10 shown in FIG. 14, the X-1 layer display area and the X layer display area are displayed in a scrollable state. In the multi-selection screen SC10, the user can select an item after scrolling through the list displayed in the X-th layer display area and confirming all items, and further, the X-th layer in the layer above it can be selected. It is also possible to scroll through the list displayed in the first layer display area, check all items, and reselect the items in the X-1 layer. Furthermore, on the multi-selection screen SC10, the user can reselect a hierarchical route from the first layer display area A5.

(How to display the basic menu display area)
The basic menu display area A1 is displayed on the basic menu selection screen SC1 as described above. In addition, the basic menu display area is displayed on the screen even when there is no operation input such as touch panel operation or button operation on the AVN integrated device for a predetermined time. The basic menu display area A1 is also displayed on the screen when a basic menu call button (“home” button) included in the operation unit 114 is pressed, for example.

  FIG. 15 is a diagram illustrating a display example of the basic menu display area A1. FIG. 15 shows an example in which the basic menu display area A1 is displayed during playback of the selected music piece, that is, during display of the selection result output screen SC9. When no operation signal is input to the AVN integrated device for a predetermined time, for example, 10 seconds, the basic menu display area A1 is displayed by sliding from the left end of the screen. In this case, the basic menu display area A1 is displayed on the forefront of the selection result output screen SC9. The basic menu display area A1 is not limited to the display of the selection result output screen, and no screen is input for a predetermined time (for example, 10 seconds) no matter what screen is displayed on the AVN integrated device screen. Displayed in the foreground.

(Hardware configuration of AVN integrated machine)
FIG. 16 is a diagram illustrating a hardware configuration of an AVN integrated machine that executes the screen display processing described in FIGS. 2 to 15, for example. The AVN integrated device 1 includes a control unit 100, an external recording medium playback unit 101, a radio reception unit 102, a television (TV) reception unit 103, a disk playback unit 104, a navigation unit 106, a distribution circuit 107, and an image adjustment circuit 108. , An audio adjustment circuit 109, an image output unit 110, a VICS information receiving unit 111, a GPS information receiving unit 112, a selector 113, an operation unit 114, a memory 117, a communication unit 121, and a display unit 122. Note that the processing unit included in the AVN integrated device 1 is not limited to the example described above, and the AVN integrated device 1 may include other processing units.

  The control unit 100 inputs signals from each unit of the AVN integrated device 1 or connected external devices, an operation instruction signal from the operation unit 114 based on the operation of the user, and the like. Centrally controls each unit or external device. The control unit 100 includes, for example, a microcomputer and implements each function by executing various programs stored in a memory such as a ROM.

  The external recording medium playback unit 101 includes a connector, and reads and outputs data recorded on an external recording medium connected to the connector. The external recording medium is, for example, an SD card, a miniSD card, a microSD card, or another flash memory card. The external recording medium also includes a music playback device including a hard disk such as iPod. For example, an operation system (OS) of the AVN integrated device 1, map data for navigation, music data such as an MP3 file, and image data such as a JPEG file are recorded on the external recording medium. The external recording medium playback unit 101 reads desired data from various data from the external recording medium and outputs image signals, audio signals, character signals, and the like to the control unit 100. The external recording medium playback unit 101 includes a read signal decoding circuit and the like, and various operations such as on / off and a read position are controlled by a control signal from the control unit 100.

The radio receiving unit 102 selects and receives a broadcast wave of a specific frequency from AM or FM broadcast waves transmitted from each radio station received by the antenna, and demodulates and outputs an audio signal of the broadcast To do. The TV receiving unit 103 receives a broadcast wave of a specific frequency from the broadcast wave transmitted from each broadcast station received by the antenna, and outputs the received video signal, audio signal, and data signal. The TV receiving unit 103 can receive at least one of analog broadcasting, digital broadcasting, and the like. The radio reception unit 102 and the TV reception unit 103 include a tuning circuit, a demodulation and decoding circuit, and the like, and various operations such as on / off and reception frequency are controlled by a control signal from the control unit 100. A signal output from the radio receiving unit 102 and the TV receiving unit 103 to the control unit 100 is handled as a signal from one of the audio sources of the AVN integrated device 1.

The disc playback unit 104 reads and reads data recorded on a disc such as a CD (Compact Disc), an MD (Mini Disc), a DVD (Digital Versatile Disc), and a Blu-ray Disc (Blu-ray Disc) with a pickup. Output audio and video signals based on data. The disk reproducing unit 104 includes an optical pickup, a pickup disk drive mechanism, a control circuit for the pickup disk drive mechanism, a read signal decoding circuit, and the like. Various operations such as on / off and reading position of the disc playback unit 104 are controlled by a control signal from the control unit 100. Disc data read by the disc playback unit 104 is handled as one of the audio sources of the AVN integrated device 1.

  The VICS information receiving unit 111 receives traffic information related to the traffic information communication system (VICS), and outputs the received traffic information. The VICS information receiving unit 111 includes a receiver (FM receiver, radio beacon receiver, optical beacon receiver) that receives data from the traffic information communication system, a decoding circuit that decodes the received data, and the like. The GPS information receiver 112 detects the own vehicle position based on the GPS signal from the GPS satellite, and outputs the detected current position information. The GPS information receiving unit 112 includes a receiving circuit that receives a GPS signal, a calculation unit that calculates the vehicle position based on the received GPS signal, and the like. The information acquired from the VICS information receiving unit 111 and the GPS information receiver 112 is, for example, information displayed when “Information / G” in the basic menu is selected.

The navigation unit 106 displays the position of the vehicle and the route to the destination on the map, provides direction guidance such as a left or right turn by voice or the like at an intersection, or receives traffic information from the VICS information reception unit 111. Or displays the vehicle position information received from the GPS information receiving unit 112 and displays the information to guide the route to the destination. The navigation unit 106 includes a memory such as a hard disk that records map information used for navigation, a CPU (Central Processing Unit) that performs various arithmetic processes, and a RAM (Random Access Memory) that stores data for various processes. Prepare. The navigation unit 106 is controlled to be turned on / off and various operations by a control signal from the control unit 100.

  The distribution circuit 107 is a variety of sources specified to be output by the control signal of the control unit 100 (external recording medium playback unit 101, radio reception unit 102, TV reception unit 103, disc playback unit 104, and navigation unit 106). The audio signal and the image signal are output to the image adjustment circuit 108 and the audio adjustment circuit 109. The distribution circuit 107 includes a switch group configured by an electronic circuit such as a relay or a switching transistor.

  The image adjustment circuit 108 adjusts the brightness, color tone, contrast, and the like of the input image signal according to the control signal of the control unit 100, and outputs each adjusted image signal. The image adjustment circuit 108 includes a memory that stores image data, an arithmetic circuit such as a digital signaling processor that performs arithmetic processing on the image data, and the like.

  The image output unit 110 inputs the image signal input from the image adjustment circuit 108 and the display image signal to be displayed on the display unit 122 from the control unit 100, performs processing such as image synthesis, and the image subjected to the processing The display unit 122 is driven based on the signal. The image output unit 110 includes, for example, an image ASIC that is an arithmetic processing circuit specialized for an image to be processed by arithmetic processing, a video memory that stores image data for image processing and output, and a video memory for image output And an image driving circuit for driving the display unit 122 based on the image data stored in the image data.

The display unit 122 displays an image based on the image signal input from the image output unit 110. The display unit 122 is, for example, a liquid crystal display, an organic EL display, a plasma display, a cold cathode flat panel display, or the like. The display unit 122 includes a backlight 200, a liquid crystal panel 201, and a touch panel 202. The backlight 200 is illumination for the liquid crystal panel 201. The touch panel 202 may be any of a resistance film method, a surface acoustic wave method, an infrared method, an electromagnetic induction method, and a capacitance method. The touch panel 202 outputs coordinate information of the coordinates pressed by the user to the control unit 100, and the control unit 100 performs an operation performed by the user from the coordinate information and display screen information displayed on the liquid crystal panel 201. And the operation target area is determined.

  The sound adjustment circuit 109 adjusts the volume and sound of the input sound signal according to the control signal of the control unit 100, and outputs the adjusted sound signal. The sound adjustment circuit 109 includes a memory that stores sound data, an arithmetic circuit such as a digital signal processor that performs arithmetic processing on the sound data, an amplification or attenuation circuit that includes transistors, resistors, coils, and the like, a resonance circuit, and the like. The speaker 16 outputs the audio signal output from the audio adjustment circuit 109 as audio.

  The operation unit 114 is for a user of the apparatus to perform various operations, and is, for example, a touch panel, a push button switch, a rotation operation switch, a joystick, or the like. The operation unit 114 also includes a basic menu call button for displaying the basic menu display area A1 on the screen.

  The memory 117 is a memory built in the AVN integrated device 1 and stores various data and various programs. Various programs include a display program. The memory 117 includes, for example, a RAM and a flash ROM.

The communication unit 121 is a communication interface for short-range wireless communication, such as DARC (Dedicated Short Range Communication), infrared communication, Bluetooth (registered trademark), etc., connected to an antenna.

(Function block of AVN integrated machine)
FIG. 17 is a diagram illustrating an example of a functional block diagram of the control unit 100 of the AVN integrated device 1. In practice, the function of each functional block shown in FIG. 17 is realized by the microcomputer (CPU) corresponding to the control unit 100 (FIG. 16) executing the program. A description will be given assuming that each process is executed as a main body.

  Through execution of the display program, the control unit 100 performs a screen display control unit 11, a touch panel operation analysis unit 12, a last mode acquisition unit 13, a last mode reading unit 14, a screen display setting unit 15, an audio data reproduction instruction unit 16, and a basic menu. It operates as the control unit 17 and the shortcut control unit 18. The storage unit 19 is generated in the storage area of the memory 117 through execution of the display program or statically.

  The touch panel operation analysis unit 12 acquires the coordinate information of the touch position of the touch panel by the user from the touch panel 202 at a predetermined cycle, analyzes the operation of the user's finger performed on the touch panel 202 from the coordinate information, and detects the operation by the user. To do. For example, the touch panel operation analysis unit 12 performs operations based on operations such as push, release, scroll, flick, and slide performed on the touch panel 202 and coordinate information and screen information currently displayed on the liquid crystal panel 201. The detected area is detected, and operations (selection, drag and drop, scrolling, etc.) performed by these actions or combinations of actions are detected. The touch panel operation analysis unit 12 outputs an operation analysis result on the touch panel 202 to the screen display control unit 11, the basic menu control unit 17, and the shortcut control unit 18. The analysis result includes at least an operation performed on the screen currently displayed on the liquid crystal panel 201 and a target region of the operation.

  For example, when the screen display transitions, the last mode acquisition unit 13 acquires, as the last mode, the state of the list displayed in each display area in accordance with an instruction from the screen display control unit 11 and stores it in the storage unit 19. To do. The last mode of the list state is, for example, an item selection state. The last mode acquisition unit 13 stores the multi selection screen immediately before the transition as the last screen in the storage unit 19 when, for example, the multi selection screen transits to the selection result output screen. Details of the process for acquiring the last mode, the last screen, and the last mode and the last screen will be described later.

  For example, when the screen display transitions and a new display area is added, the last mode reading unit 14 generates a list of lists to be displayed in the new display area in accordance with an instruction from the screen display control unit 11. The last mode is read from the storage unit 19 and output to the screen display setting unit 15. The last mode control unit 14 reads out the last screen and outputs it to the screen display setting unit 15 at the time of screen transition.

  The screen display setting unit 15 sets a screen to be displayed next in accordance with an instruction from the screen display control unit 11. For example, when a new display area is added to the screen, the screen display setting unit 15 sets the display of the list acquired from the last mode reading unit 14 to the display area in the last mode. The display method of the display area (for example, slide from the right end of the screen) is set. The screen display setting unit 15 outputs the set screen to the image adjustment circuit 108 in accordance with an instruction from the screen display control unit 11.

  When the screen display control unit 11 determines that the music to be played back has been selected, the audio data playback instruction unit 16 plays the selected music with the selected music as the top in accordance with the instruction from the screen display control unit 11. And instructing a predetermined unit to reproduce the music according to the reproduction music list. For example, when the audio source is iPod, the audio data reproduction instruction unit 16 instructs the external recording medium reproduction unit 101 to reproduce the selected music piece. For example, when the audio source is a disc such as a CD or DVD, the audio data playback instruction unit 16 instructs the disc playback unit 104 to play back the selected music piece.

  For example, in the screen transition as described in FIGS. 2 to 10, the screen display control unit 11 instructs each unit to set a screen, to display a screen, to give a last mode, to give a last mode read, to play music List generation, music reproduction start instruction, and the like, and control related to screen transition. For example, the screen display control unit 11 acquires screen information currently being displayed on the liquid crystal panel 201 from the image output unit 110 and stores it in the storage area of the memory 117. When the screen display control unit 11 acquires an operation on the touch panel 202 from the touch panel operation analysis unit 12, the screen display control unit 11 determines the screen transition for the operation and the display change of each display area in the screen, and sets the screen display setting to the screen display setting. The unit 15 is instructed. In addition, a process to be performed for an operation on the touch panel 202 is determined, and a process is instructed to a predetermined unit. For example, when the operation on the touch panel 202 is selection of a music to be played back, the screen display control unit 11 generates a playback music list with the selected music as the top of the list and starts playback of the music as audio data playback. The instruction unit 16 is instructed.

The basic menu control unit 17 is executed in accordance with the display of the basic menu display area A1 and the operation performed on the basic menu display area A1, independently of the screen transition control by the screen display control unit 11. Control the process to be performed. The basic menu control unit 17 has a no-operation time timer, and after the operation signal (coordinate information from the touch panel 202) input from the touch panel 202 or the operation unit 114 is input, the next operation signal is input. Measure the time until. That is, the basic menu control unit 17 measures the no-operation time of the AVN integrated device 1. When the no-operation time reaches a predetermined value (for example, 10 seconds), the basic menu control unit 17
The screen display setting unit 15 is instructed to display the basic menu display area A1. Then, the basic menu display area A1 is displayed on the screen as described in FIG. 15, for example. The basic menu control unit 17 cancels the display of the basic menu display area A1 when an operation is performed on another display area displayed on the screen while the basic menu display area A1 is displayed. In addition, for example, when an item in the basic menu display area A1 is selected, the basic menu control unit 17 instructs the screen display setting unit 15 to transition to a selection start screen corresponding to the selected item. To do.

  The shortcut control unit 18 controls processing to be executed in response to an operation on the shortcut display area A3 independently of the screen transition control by the screen display control unit 11. For example, the shortcut control unit 18 drops an icon or the like displayed in an area other than the shortcut display area A3 displayed on the screen on the shortcut display area A3 based on the analysis result from the touch panel operation analysis unit 12. Judge that. In this case, the shortcut control unit 18 creates a shortcut menu for the process indicated by the icon or the like, and instructs the screen display setting unit 15 to add and display the shortcut menu in the shortcut display area A3. Further, when the shortcut control unit 18 determines that the shortcut menu displayed in the shortcut display area A3 is selected based on the analysis result from the touch panel operation analysis unit 12, the processing of the process indicated by the shortcut menu is performed. Instruct execution to a predetermined unit. For example, when the shortcut menu indicating the reproduction of music A is selected, the shortcut control unit 18 instructs the audio data reproduction instruction unit 16 to reproduce the music A.

  The storage unit 19 holds, for example, a list of hierarchical structures as shown in FIG. 1 and a list that is an element of each hierarchical structure. The storage unit 19 holds, for example, a list last mode, a basic menu display area last mode, a selection start screen last screen, and a multi-select screen last screen, which are elements of each hierarchical structure. In addition, the storage unit 19 holds the shortcut menu displayed in the shortcut display area A3 and the operation state of each shortcut menu.

  FIG. 18 is a diagram illustrating an example of a part of information held in the storage unit 19. The last mode held in the storage unit 10 includes the last mode of the list, which is an element of each hierarchical structure, and the last mode of the basic menu selection area. The last mode of the list that is an element of each hierarchical structure is, for example, the last mode of the list of the m-th layer when focusing on the last mode of the element of the m-th layer (m is a natural number not including 0) of a certain hierarchical structure. For the mode, the last mode of the (m + 1) th layer corresponding to the case where each item is selected is held. That is, when the last mode of the m-th layer list includes S items, the last mode of the m-th layer list holds the S m + 1-th layer last mode. Become.

(Processing related to the basic menu display area)
19 and 20 are examples of flowcharts of processing relating to the basic menu display area. FIG. 19 is an example of a flowchart relating to display processing of the basic menu display area A1. The flow in FIG. 19 starts when the AVN integrated device 1 is activated, and is repeatedly executed except when the basic menu display area A1 is displayed on the screen.

  In OP1, the control unit 100 starts measuring the no-operation time. In OP <b> 2, the control unit 100 determines whether an operation signal is input from the touch panel 202 or the operation unit 114. If there is an operation signal input (OP2: Yes), the process proceeds to OP4. If no operation signal is input (OP2: No), the process proceeds to OP3.

In OP3, the control unit 100 determines whether or not the no-operation time has exceeded a predetermined value. The predetermined value of the no-operation time is, for example, 10 seconds. However, it is not limited to this. If the no-operation time exceeds the predetermined value (OP3: Yes), the process proceeds to OP5. If the no-operation time does not exceed the predetermined value (OP3: No), the process returns to OP2.

  In OP4, the control unit 100 determines whether or not the operation signal is a signal generated by operating the call button of the basic menu. If it is an operation of the call button of the basic menu (OP4: Yes), the process proceeds to OP5. When the operation is not an operation of the call button of the basic menu (OP4: No), the flow shown in FIG. 19 is ended, and the process is started again from OP1 until the basic menu display area A1 is displayed.

  In OP5, the control unit 100 reads the last mode of the basic menu display area A1. In OP6, the control unit 100 outputs screen information for displaying the basic menu display area A1 to the image adjustment circuit 108 and the image output unit 110, and displays the basic menu display area A1 on the screen of the liquid crystal panel 201 (see FIG. 15). ). When the basic menu display area A1 is displayed on the screen of the liquid crystal panel 201, the flow shown in FIG. 19 ends, and repeated execution is also interrupted.

  The flow shown in FIG. 19 includes, for example, the basic menu control unit 17 (OP1-OP6), the touch panel operation analysis unit 12 (OP2, OP4), the last mode reading unit 14 (OP5) of the functional blocks shown in FIG. This is realized by the cooperation of the screen display setting unit 15 (OP6).

  FIG. 20 is an example of a flowchart of processing related to the basic menu display area A1 during display of the basic menu display area A1. The flow shown in FIG. 20 is started when the basic menu display area A1 is displayed on the screen, and is repeatedly executed while the basic menu display area A1 is displayed. When the basic menu display area A1 is not displayed on the screen, the flow shown in FIG. 20 is not executed.

  In OP12, the control unit 100 determines from the coordinate information from the touch panel 202 whether one of the basic menus displayed in the basic menu display area A1 is newly selected. When one of the basic menus displayed in the basic menu display area A1 is newly selected (OP12: Yes), the process proceeds to OP13. If one of the basic menus displayed in the basic menu display area A1 is not newly selected (OP12: No), the process proceeds to OP17.

  In OP13, the control unit 100 stores the last mode of the basic menu display area A1 in a state where the basic menu is selected in OP12. In OP14, the control unit 100 reads the last screen of the selection start screen corresponding to the selected basic menu. In OP15, the control unit 100 sets the read last screen of the selection start screen as the display area of the selection start screen. In OP16, the control unit 100 outputs a selection start screen corresponding to the selected basic menu to the image adjustment circuit 108 and the image output unit 110, and displays the selection start screen on the screen of the liquid crystal panel 201. As a result, the basic menu display area A1 disappears from the screen, and the flow shown in FIG. 20 ends.

  In OP17, the control unit 100 determines from the coordinate information from the touch panel 202 whether or not an operation has been performed on a display area other than the basic menu display area A1. When an operation is performed on a display area other than the basic menu display area A1 (OP17: Yes), the process proceeds to OP18. When the operation is not performed on the display area other than the basic menu display area A1 and when the operation is not performed on the screen (OP17: No), the flow illustrated in FIG. 20 is finished and is repeatedly executed from OP12. The

  In OP18, the control unit 100 determines to delete the basic menu display area A1 from the screen by detecting an operation on a display area other than the basic menu display area A1, and sends it to the image adjustment circuit 108 and the image output unit 110. The basic menu display area A1 is erased from the screen of the liquid crystal panel 201. As a result, the basic menu display area A1 disappears from the screen, and the flow shown in FIG. 20 ends.

  The flow shown in FIG. 20 includes, for example, the basic menu control unit 17 (OP12-OP18), the touch panel operation analysis unit 12 (OP12, OP17), the last mode acquisition unit 13 (OP13), the last of the functional blocks shown in FIG. This is realized by the cooperation of the mode reading unit 14 (OP14) and the screen display setting unit 15 (OP15, OP16).

(Processing related to the shortcut display area)
FIG. 21 is an example of a flowchart of processing relating to the shortcut display area A3. The flow shown in FIG. 21 starts when the shortcut display area A3 is displayed and is repeatedly executed while the shortcut display area A3 is displayed. Further, when the shortcut display area A3 is erased from the screen due to the screen transition, the flow shown in FIG. 20 is ended and the repeated execution is also interrupted.

  In OP21, the control unit 100 determines from the coordinate information from the touch panel 202 whether or not an operation is performed on the shortcut display area A3. When an operation is performed on the shortcut display area A3 (OP21: Yes), the process proceeds to OP22. When an operation is performed on a display area other than the shortcut display area A3 and when coordinate information is not acquired from the touch panel 202 (when there is no operation on the touch panel) (OP21: No), the flow illustrated in FIG. Ends.

  In OP22, the control unit 100 determines whether or not the operation on the shortcut display area A3 is a selection operation. That is, the control 100 determines whether or not a release operation has been performed after the push in the shortcut display area A3. If the operation on the shortcut display area A3 is a selection operation (OP22: Yes), the process proceeds to OP23. If the operation on the shortcut display area A3 is not a selection operation (OP22: No), the process proceeds to OP25.

  In OP23, the control unit 100 reads an operation state corresponding to the selected shortcut menu. In OP24, the control unit 100 instructs each unit to reproduce the read operation state. When the shortcut display area A3 is displayed on the screen in the read operation state, the flow shown in FIG. 21 is repeatedly executed from OP21. When the shortcut display area A3 is not displayed on the screen in the read operation state, the flow shown in FIG. 21 is ended, and repeated execution is also interrupted.

In OP25, the control unit 100 determines whether or not the operation on the shortcut display area A3 is drag and drop. If the operation on the shortcut display area A3 is drag and drop (OP25: Yes), the process proceeds to OP26. If the operation on the shortcut display area A3 is not drag and drop (OP25: No), the control unit 100 does not perform any particular processing and repeatedly executes the flow shown in FIG. 21 from OP21.

  In OP26, the control unit 100 stores the operation state when the operation on the shortcut display area A3 is dragged and dropped, and creates and adds a shortcut menu. The added shortcut menu is displayed in the shortcut display area A3.

  The flow shown in FIG. 21 includes, for example, the shortcut control unit 18 (OP21-OP26), touch panel operation analysis unit 12 (OP21, OP22, OP25), and screen display setting unit 15 (OP26) of the functional block shown in FIG. Realized by collaboration.

(Processing for touch panel operation while the selection start screen is displayed)
22, FIG. 23, FIG. 24, and FIG. 25 are examples of flowcharts of processing for touch panel operations during display of the selection start screen. The flow shown in FIGS. 22, 23, 24, and 25 starts when the selection start screen is displayed, and is repeatedly executed while the selection start screen is displayed. The flow shown in FIG. 22, FIG. 23, FIG. 24, and FIG. 25 ends when the display of the selection start screen ends, and the repeated execution also ends.

  In OP30, the control unit 100 determines from the coordinate information sequentially input from the touch panel 202 whether or not a series of operations to be released after the push is performed on the touch panel 202, that is, whether or not a selection operation is performed. To do. When the selection operation is performed (OP30: Yes), the process proceeds to OP31 in FIG. If it is not a selection operation (OP30: No), the process proceeds to OP50.

  In OP50, the control unit 100 determines from the coordinate information sequentially input from the touch panel 202 whether or not a scroll operation from the top to the bottom or from the bottom to the top has been performed on the touch panel 202. When a scroll operation from top to bottom or from bottom to top is performed (OP50: Yes), the process proceeds to OP51 in FIG. If the operation is not a scroll operation from top to bottom or from bottom to top (OP50: No), the process proceeds to OP60.

  In OP <b> 60, the control unit 100 determines from the coordinate information sequentially input from the touch panel 202 whether or not a flick operation from left to right has been performed on the touch panel 202. If the flick operation from left to right is performed (OP60: Yes), the process proceeds to OP61 in FIG. When the operation is not a left-to-right flick operation and when coordinate information is not acquired from the touch panel 202 (OP60: No), the control unit 100 does not perform any particular processing and performs the flow shown in FIG. Execute repeatedly from.

  FIG. 23 is an example of a flowchart when a selection operation is detected on the touch panel 202 while the selection start screen is displayed. When a selection operation is performed on the touch panel 202 while the selection start screen is displayed, the process is forward processing, and the screen is changed from the selection start screen to the second layer selection screen or according to the display area where the selection operation is detected. Transition to the multi-selection screen.

  In OP31, the control unit 100 determines whether or not the selection operation has been performed on the first layer display area A5. When the selection operation is performed on the first layer display area A5 (OP31: Yes), it is indicated that the item (root) displayed in the first layer display area A5 is selected, and the process is OP32. Proceed to When the selection operation is performed on the second layer display area A6 (OP31: No), it is indicated that the list item displayed in the second layer display area A6 has been selected, and the process is changed to OP38. move on.

  In OP32, the control unit 100 stores the last mode of the list displayed in the second layer display area A6 for the immediately preceding first layer selection item (root). In OP33, the control unit 100 stores the last mode of the first layer display area A5 in which the item is newly selected.

  In OP34, the control unit 100 determines the number N of layers according to the selection item (root) of the first layer (see FIG. 1).

  In OP35, the control unit 100 reads the last mode of the list that is an element of the second layer of the hierarchical structure having the selection item of the first layer as a root. In OP36, the control unit 100 performs setting to display the second layer list in the second layer display area A5 of the second layer selection screen displayed next on the screen in the state of the last mode read in OP35. In OP37, the control unit 100 outputs the second layer selection screen to the image adjustment circuit 108 and the image output unit 110, and displays the second layer selection screen on the screen of the liquid crystal panel 201. As a result, the screen of the AVN integrated device 1 changes from the selection start screen to the second layer selection screen, and the flow shown in FIG. 23 ends. Thereafter, processing for an operation on touch panel 202 during display of the second layer selection screen shown in FIG. 26 is started.

  In OP38, the control unit 100 stores the last mode of the second layer list for the currently selected first layer item (root). In OP39, the control unit 100 reads the last mode of the third layer list for the item of the second layer list selected in OP31 for the next multi-selection screen to be displayed. In OP40, the control unit 100 adds the third layer display area to the next multi-selection screen to be displayed. In OP41, the control unit 100 performs setting to display the third layer list corresponding to the selection item in the second layer in the third layer display area of the multi selection screen in the state of the last mode read in OP39. In OP42, the control unit 100 sets a variable X = 3 (3 ≦ X ≦ N). In OP43, the control unit 100 outputs the multi-selection screen to the image adjustment circuit 108 and the image output unit 110, and displays it on the screen of the liquid crystal panel 201. As a result, the screen of the AVN integrated device 1 transitions from the selection start screen to the multi-selection screen, and the process ends. Thereafter, processing for an operation on the touch panel 202 during display of the multi-selection screen shown in FIG. 28 is started.

  FIG. 24 is an example of a flowchart when vertical scrolling is detected on the touch panel 202 while the selection start screen is displayed. When an up / down scroll operation is performed on the touch panel 202 while the selection start screen is displayed, the display of the display area in which the operation is detected scrolls (follows) in accordance with the movement of the finger.

  In OP51, the control unit 100 determines whether or not the display area (first layer display area A5 or second layer display area A6) in which the vertical scroll is detected is in a scrollable state. If the display area where the vertical scroll is detected is in a scrollable state (OP51: Yes), the process proceeds to OP52. If the display area in which the vertical scroll is detected is not in a scrollable state (OP51: No), the process ends, and the process is repeated from OP30 of FIG.

  In OP52, the control unit 100 causes the image adjustment circuit 108 and the list displayed in the display area where the scroll is detected to scroll so as to follow the movement of the user's finger on the detected touch panel 202. The image output unit 110 is instructed to display on the screen of the liquid crystal panel 201. Thereafter, the process ends, and the process is repeated from OP30 of FIG.

  FIG. 25 is an example of a flowchart in the case where a flick from left to right is detected on the touch panel 202 while the selection start screen is displayed. If a flicking operation is performed on the touch panel 202 from the left to the right while the selection start screen is displayed, the process is reversed, and the screen changes from the selection start screen to the basic menu selection screen.

In OP61, the control unit 100 causes the navigation unit 106 to generate a navigation screen displayed on the basic menu selection screen. The navigation unit 106 acquires the current position of the vehicle equipped with the AVN integrated device from the GPS receiving unit 112 at a predetermined cycle, and generates a navigation screen shown in FIG. 2 from the map information and the current position, for example. In OP62, the control unit 100 performs setting to display the basic menu display area A1 on the navigation screen acquired in OP61, generates a basic menu selection screen, and instructs the image adjustment circuit 108 and the image output unit 110 to perform the operation. It is displayed on the screen of the liquid crystal panel 201. As a result, the screen of the AVN integrated device transits from the selection start screen to the basic menu selection screen.

  The flow shown in FIGS. 22, 23, 24, and 25 includes, for example, the screen display control unit 11, the touch panel operation analysis unit 12, the last mode acquisition unit 13, and the last mode reading unit of the functional blocks shown in FIG. 14, realized by the cooperation of the screen display setting unit 15.

(Processing for touch panel operation while the second layer selection screen is displayed)
FIG. 26, FIG. 27, FIG. 23, and FIG. 24 are examples of flowcharts of processing for touch panel operations during display of the second layer selection screen. The flow shown in FIGS. 26, 27, 23, and 24 is started when the second layer selection screen is displayed, and is repeatedly executed while the second layer selection screen is displayed. The flow shown in FIG. 26, FIG. 23, FIG. 24, and FIG. 27 is finished when the display of the second layer selection screen is finished, and the repeated execution is also finished.

  In OP70, the control unit 100 determines from the coordinate information sequentially input from the touch panel 202 whether or not a series of operations to be released after the push is performed on the touch panel 202, that is, whether or not a selection operation is performed. To do. When the selection operation is performed (OP70: Yes), the process proceeds to OP31 in FIG. However, in FIG. 23, the processing target is replaced from the selection start screen to the second layer selection screen. If it is not a selection operation (OP70: No), the process proceeds to OP80.

  In OP80, the control unit 100 determines, based on the coordinate information of the touch panel 202, whether or not a scroll operation has been performed on the touch panel 202 from top to bottom or from bottom to top. When a scroll operation from top to bottom or from bottom to top is performed (OP80: Yes), the process proceeds to OP51 in FIG. However, in FIG. 24, the processing target is replaced from the selection start screen to the second layer selection screen. If the operation is not a scroll operation from top to bottom or from bottom to top (OP80: No), the process proceeds to OP90.

  In OP <b> 90, the control unit 100 determines from the coordinate information of the touch panel 202 whether or not a flick operation from left to right is performed on the touch panel 202. If a flick operation from left to right is performed (OP90: Yes), the process proceeds to OP91 in FIG. When the operation is not a left-to-right flick operation and when coordinate information is not acquired from the touch panel 202 (OP90: No), the control unit 100 does not perform any particular processing, and the flow shown in FIG. Execute repeatedly from.

  FIG. 27 is an example of a flowchart in the case where a flick from the left to the right is detected on the touch panel 202 while the second layer selection screen is displayed. If a flick operation is performed on the touch panel 202 from the left to the right while the second layer selection screen is displayed, the process is reversed, and the screen transits from the second layer selection screen to the selection start screen.

In OP91, the control unit 100 changes the display ratio in the screen between the first layer display area A5 and the second layer display area A6 included in the second layer selection screen, and displays the next selection start screen to be displayed. Set up. For example, the display ratio in the screen of the first layer display area A5 and the second layer display area A6 is changed from 1: 9 to 4: 6. In OP92, the control unit 100 outputs the selection start screen set in OP91 to the image adjustment circuit 108 and the image output unit 110, and displays it on the screen of the liquid crystal panel 201. As a result, the screen of the AVN integrated device transits from the second layer selection screen to the selection start screen. After that, the selection start screen is displayed, and the flow shown in FIG. 22 is started.

  The flow shown in FIGS. 26, 27, 23, and 24 includes, for example, the screen display control unit 11, the touch panel operation analysis unit 12, the last mode acquisition unit 13, and the last mode reading unit of the functional blocks shown in FIG. 14, realized by the cooperation of the screen display setting unit 15.

(Processing for touch panel operation during multi-selection screen display)
FIG. 28, FIG. 29A, FIG. 29B, FIG. 30, and FIG. 24 are examples of flowcharts of processing for touch panel operations during multi-selection screen display. The flow shown in FIGS. 28, 29A, 29B, 30, and 24 is started when the multi-selection screen is displayed, and is repeatedly executed while the multi-selection screen is displayed. The flow shown in FIG. 28, FIG. 29A, FIG. 29B, FIG. 30, and FIG.

  In OP100, the control unit 100 determines, based on coordinate information sequentially input from the touch panel 202, whether or not a series of operations to be released after the push is performed on the touch panel 202, that is, whether or not a selection operation has been performed. To do. When the selection operation is performed (OP100: Yes), the process proceeds to OP101 in FIG. 29A. If it is not a selection operation (OP100: No), the process proceeds to OP140.

  In OP140, the control unit 100 determines from the coordinate information of the touch panel 202 whether or not a scroll operation from the top to the bottom or from the bottom to the top has been performed on the touch panel 202. When a scroll operation from top to bottom or from bottom to top is performed (OP140: Yes), the process proceeds to OP51 in FIG. If the operation is not a scroll operation from top to bottom or from bottom to top (OP140: No), the process proceeds to OP130.

  In OP <b> 130, the control unit 100 determines, based on the coordinate information of the touch panel 202, whether or not a flick operation from left to right has been performed on the touch panel 202. When the flick operation from left to right is performed (OP130: Yes), the process proceeds to OP131 in FIG. When the operation is not a left-to-right flick operation and when coordinate information is not acquired from the touch panel 202 (OP130: No), the control unit 100 does not perform any particular processing, and the flow shown in FIG. Execute repeatedly from.

  FIG. 29A and FIG. 29B are examples of flowcharts when a selection operation is detected on the touch panel 202 during display of the multi-selection screen. When a selection operation is performed on the touch panel 202 while the multi-selection screen is displayed, the processing is performed in the forward direction, and the screen changes according to the display area in which the selection operation is detected.

  In OP101, the control unit 100 determines whether or not the selection operation has been performed on the first layer display area A5 in the multi-selection screen. When the selection operation is performed on the first layer display area A5 in the multi-selection screen (OP101: Yes), the item (root) displayed in the first layer display area A5 is newly selected. Is displayed, and the process proceeds to OP102. When the selection operation is performed on the first layer display area A5 in the multi-selection screen, in the first embodiment, the screen transits from the multi-selection screen to the second layer selection screen. When the process is performed on a display area other than the first layer display area A5 (OP101: No), the process proceeds to OP108.

In OP102, the control unit 100 stores the last mode of each list displayed in the X-th layer display area from the second-layer display area A6 for the immediately preceding first-layer selection item (root). In OP103, the control unit 100 stores the last mode of the first layer display area A5 in which the item is newly selected.

In OP104, the control unit 100 reads the last mode of the list that is an element of the second layer of the hierarchical structure having the selection item of the first layer as a root. In OP105, the control unit 100 performs setting to display the second layer list in the second layer display area A5 of the second layer selection screen displayed on the screen in the last mode state read in OP104. In OP106, the control unit 100 performs a setting to delete the X-th layer display area from the third-layer display area from the currently displayed multi-selection screen. With this setting, from the multi selection screen including the first layer to the X layer, the third layer to the X layer disappear, for example, by sliding to the right edge of the screen, and the screen is changed from the multi selection screen to the second layer. Transition to the layer selection screen. In OP107, the control unit 100 outputs the second layer selection screen and the setting for transition to the second layer selection screen to the image adjustment circuit 108 and the image output unit 110, and displays them on the screen of the liquid crystal panel 201. As a result, the screen of the AVN integrated device 1 transitions from the multi selection screen to the second layer selection screen. Thereafter, processing for an operation on touch panel 202 during display of the second layer selection screen shown in FIG. 26 is started.

  In OP108, the control unit 100 determines whether or not the selection operation has been performed on the X-1 layer display area that is operable in the multi-selection screen. When the selection operation is performed on the X-1 layer display area in the multi-selection screen (OP108: Yes), the item displayed in the X-1 layer display area is newly selected. Accordingly, the display of the X-th layer display area of the multi-selection screen transitions. When the selection operation is performed on the X-1 layer display area in the multi selection screen, the process proceeds to OP109. If the selection operation is not for the X-1 layer display area in the multi-selection screen (OP108: No), the process proceeds to OP114.

  In OP109, the control unit 100 stores the last mode of the list of the X layer for the currently selected item of the X-1 layer. In OP110, the control unit 100 stores the last mode of the list displayed in the current X-1 layer display area in which the item is selected in OP108.

  In OP111, the control unit 100 reads the last mode of the list in the Xth layer for the item in the list in the X-1th layer selected in OP108. In OP112, the control unit 100 sets to display the X layer list corresponding to the selection item of the X-1 layer in the X layer display area of the multi-selection screen in the read last mode state. In OP113, the control unit 100 outputs the multi-selection screen to the image adjustment circuit 108 and the image output unit 110, and displays it on the screen of the liquid crystal panel 201. As a result, the display in the X-th layer display area of the multi-selection screen displayed on the AVN integrated device 1 transitions to a list corresponding to the newly selected item in the X-1th layer. Thereafter, the process is repeatedly executed from OP100 of FIG.

  In OP114 of FIG. 29B, the control unit 100 determines whether or not the selection operation has been performed on the X-th layer display area that is operable in the multi-selection screen. When the selection operation is performed on the X-th layer display area in the multi-selection screen (OP114: Yes), it is indicated that the item displayed in the X-th layer display area has been selected. The screen transitions. When the selection operation is performed on the X-th layer display area in the multi-selection screen, the process proceeds to OP115. If the selection operation is not for the X-th layer display area in the multi-selection screen (OP114: No), the process ends and is repeatedly executed from OP100 of FIG.

In OP115, the control unit 100 sets the variable X = N, that is, the lowest layer of the layers currently displayed on the multi-selection screen is the lowest layer of the hierarchical structure having the selection item of the first layer as a root. It is determined whether or not. When the variable X = N (OP115: Yes), it is indicated that the Xth layer is the lowest layer of the hierarchical structure, that is, that the music to be played is selected. In this case, the screen changes from the multi-selection screen to the selection result output screen. If the variable X = N, the process proceeds to OP121. When the variable X is not N (OP115: No), it is indicated that a layer lower than the Xth layer exists in the hierarchical structure. In this case, the multi-selection screen transitions to a screen that is displayed in a state where the first layer display area A5, the Xth layer display area, and the X + 1th layer display area can be operated. If the variable X is not N, the process proceeds to OP116.

  In OP116, the control unit 100 stores the last mode of the list in the X layer for the currently selected item in the X-1 layer. In OP117, the control unit 100 reads the last mode of the list of the (X + 1) th layer for the selected item of the list of the Xth layer for the next multi-selection screen to be displayed. In OP118, the control unit 100 adds the X + 1th layer display area to the next multi-selection screen to be displayed. In OP119, the control unit 100 performs setting to display in the X + 1 layer display area of the multi selection screen in the last mode state in which the list of the X + 1 layer corresponding to the selection item of the X layer is read. In OP120, the control unit 100 sets a variable X = X + 1 (3 ≦ X ≦ N). In OP 121, the control unit 100 outputs the multi-selection screen to the image adjustment circuit 108 and the image output unit 110 and displays it on the screen of the liquid crystal panel 201. As a result, the multi-selection screen is displayed from the screen in which the first layer display area A5, the X-1th layer display area, and the Xth layer display area are operable, to the first layer display area A5. Then, the screen transits to a screen where the X-th layer display area and the (X + 1) -th layer display area are displayed in an operable state. Thereafter, the flow is repeatedly executed from OP100 in FIG.

  From OP122, processing for transition from the multi-selection screen to the selection result output screen is performed. In OP122, the control unit 100 stores the last screen of the multi-selection screen. In OP123, the control unit 100 reads the selected X-layer item, that is, the attribute information of the selected music piece. OP124 is set so that the attribute information of the selected music is displayed on the selection result output screen. In OP125, the control unit 100 outputs the selection result output screen to the image adjustment circuit 108 and the image output unit 110, and displays the selection result output screen on the screen of the liquid crystal panel 201. As a result, the screen transits from the multi-selection screen to the selection result output screen.

  In OP126, the control unit 100 creates a playback music list. For example, if there is no particular setting, the control unit 100 includes the selected music at the top, and includes the music after the selected music included in the list in the X-th layer in the order of the list. Is generated. In addition, when the repeated playback of the selected music is set, the control unit 100 generates a playback music list including only the selected music. In OP127, the control unit 100 issues a reproduction instruction for the selected music piece to a predetermined unit.

  FIG. 30 is an example of a flowchart when a flick from the left to the right is detected on the touch panel 202 while the multi-selection screen is displayed. When a flick operation is performed from left to right on the touch panel 202 while the multi-selection screen is displayed, the process is reversed and the screen changes.

In OP131, the control unit 100 determines whether or not the variable X = 3. When the variable X = 3 (OP131: Yes), it is indicated that the multi-selection screen includes the first layer display area A5, the second layer display area A6, and the third layer display area. . When the variable X = 3, when a flick operation is performed from left to right on the touch panel 202, the multi-selection screen transits to the second layer selection screen (see FIG. 11). If the variable X = 3, the process proceeds to OP132.

When the variable X is not 3 (OP131: No), when the flick operation is performed on the touch panel 202 from the left to the right, the display area in which the multi-selection screen can be operated becomes the first layer selection area and the X-th selection area. What was the 1st layer selection region and the Xth layer selection region is changed to the 1st layer selection region, the X-2th layer selection region, and the X-1th layer selection region. If the variable X is not 3, the process proceeds to OP134.

  In OP132, the control unit 100 performs setting for deleting the third layer display area from the multi-selection screen and displaying the second layer selection screen. In OP133, the control unit 100 outputs the second layer selection screen set in OP132 to the image adjustment circuit 108 and the image output unit 110, and displays it on the screen of the liquid crystal panel 201. As a result, the screen of the AVN integrated device transits from the multi selection screen to the second layer selection screen. Thereafter, since the second layer selection screen is displayed, the flow of FIG. 26 is started.

  In OP134, the control unit 100 performs setting for deleting the X-th layer display area from the multi-selection screen. In OP135, the multi-selection screen is set to display the X-1 layer display area by sliding it to the right. As a result, the X-2 layer display area is displayed on the multi-selection screen. In OP136, the control unit 100 sets the variable X = X-1. In OP137, the control unit 100 outputs the multi-selection screen set in OP134 and OP135 to the image adjustment circuit 108 and the image output unit 110, and displays the screen on the screen of the liquid crystal panel 201. As a result, the X-th layer display area disappears from the multi-selection screen, and instead, the X-2th layer display area is displayed. Thereafter, since the multi-selection screen is displayed, the flow of FIG. 28 is started.

  The flow shown in FIGS. 28, 29A, 29B, 30 and 24 includes, for example, the screen display control unit 11, the touch panel operation analysis unit 12, the last mode acquisition unit 13, and the last mode of the functional blocks shown in FIG. This is realized by the cooperation of the reading unit 14 and the screen display setting unit 15.

(Processing for touch panel operation while the selection result output screen is displayed)
FIG. 31 is an example of a flowchart of processing for a touch panel operation during display of the selection result output screen. The flow shown in FIG. 31 starts when the selection result output screen is displayed, and is repeatedly executed while the selection result output screen is displayed. The flow shown in FIG. 31 is finished when the display of the selection result output screen is finished, and the repeated execution is also finished.

  In OP160, the control unit 100 determines from the coordinate information sequentially input from the touch panel 202 whether or not a flick operation from left to right has been performed on the touch panel 202. If a flick operation from left to right is performed (OP160: Yes), the process proceeds to OP161. When the operation is not a left-to-right flick operation and when coordinate information is not acquired from the touch panel 202 (OP160: No), the control unit 100 does not perform any particular processing, and the flow shown in FIG. Execute repeatedly from.

  In OP161, the control unit 100 reads the last screen of the multi selection screen. In OP162, the control unit 100 outputs the last screen of the multi-selection screen to the image adjustment circuit 108 and the image output unit 110, and displays it on the screen of the liquid crystal panel 201. As a result, the screen changes from the selection result output screen to the multi-selection screen. Thereafter, since the multi-selection screen is displayed, the flow of FIG. 28 is started.

  The flow shown in FIG. 31 is realized, for example, by the cooperation of the screen display control unit 11, the touch panel operation analysis unit 12, the last mode reading unit 14, and the screen display setting unit 15 of the functional blocks shown in FIG.

(List scroll processing)
32A and 32B are diagrams for explaining list scroll processing. In the first embodiment, when the displayed list does not fit in the display area, the display area is scrollable. Furthermore, in the first embodiment, when there is an item being selected in the list, the item being selected continues to be displayed in the display area even when the list is scrolled.

  For example, the fourth layer display area A8 of the multi-selection screen shown in FIG. 32A is in a scrollable state, and “4. Music ad” in the fourth layer display area A8 is an item being selected. When the user performs a scrolling operation in the fourth layer display area A8, the list displayed in the fourth layer display area A8 is also scrolled upward (screen SC8-1 in FIG. 32A). . As the list continues to scroll upward, the currently selected item “4. Music ad” is positioned at the upper end of the fourth layer display area A8 (screen SC8-2 in FIG. 32A). Further, when the list is scrolled upward, the currently selected item “4. Music ad” is displayed above the fourth layer display area A8 without departing from the fourth layer display area A8. (Screen SC8-3 in FIG. 32A). On the other hand, items after the item “4. Music ad” being selected in the fourth layer display area A8 (items after “5. Music ae”) are scrolled upward.

  FIG. 32B is a diagram showing an example of screen transition when the user performs a scrolling operation in the fourth layer display area A8 after the screen SC8-3 in FIG. 32A. When the user performs a downward scrolling operation in the fourth layer display area A8, the currently selected item “4. Music ad” remains at the top of the screen, but the other items in the list are downward. (Screen SC8-4 in FIG. 32B). If the list continues to scroll downward, the currently selected item “4. Music ad” returns to the original position in the list (screen SC8-5 in FIG. 32B). Thereafter, when the list is further scrolled downward, the currently selected item “4. Music ad” is displayed at the original position of the list and is moved and displayed together with the scroll of the list (in FIG. 32B). , Screen SC8-6).

  In this way, the currently selected item remains in the display area and continues to be displayed even when the list is scrolled. Thereby, the user can always visually recognize the item being selected. When the item being selected is positioned at the bottom of the screen by scrolling the list, the item being selected remains at the bottom of the screen and is displayed as in FIGS. 32A and 32B.

  FIG. 33 is an example of a flowchart of processing related to fixed display of an item being selected in the list scroll processing described in FIGS. 32A and 32B. The flow shown in FIG. 33 is started when vertical scrolling is detected in a scrollable display area. The flow shown in FIG. 33 is repeatedly executed while scrolling in the vertical direction is performed in the scrollable display area, and when the scrolling is finished, the repeated execution is also finished.

  In OP171, the control unit 100 determines whether there is an item being selected in the display area where scrolling is detected. If there is an item being selected in the display area where the scroll is detected (OP171: Yes), the process proceeds to OP172. If there is no item being selected in the display area where scrolling is detected (OP171: No), the process ends.

  In OP172, the control unit 100 determines whether the currently selected item is fixedly displayed on the upper end (top) or the lower end (bottom) of the screen. If the currently selected item is fixedly displayed at the upper end (top) or lower end (bottom) of the screen (OP172: Yes), the process proceeds to OP173. If the currently selected item is not fixedly displayed at the top (top) or bottom (bottom) of the screen (OP172: No), the process proceeds to OP175.

  In OP173, the control unit 100 determines whether the display position of the item being selected is the upper end (top) or the lower end (bottom) of the display area (screen). If the display position of the selected item is the upper end (top) or the lower end (bottom) of the display area (screen) (OP173: Yes), the process proceeds to OP174. If the display position of the item being selected is not the upper end (top) or the lower end (bottom) of the display area (screen) (OP173: No), the process ends. Thereafter, while scrolling continues, the flow shown in FIG. 33 is repeatedly executed.

  In OP174, the control unit 100 fixedly displays the selected item on the upper end (top) or the lower end (bottom) of the display area (screen). Thereafter, while scrolling continues, the flow shown in FIG. 33 is repeatedly executed.

  In OP175, the control unit 100 determines whether or not the currently selected item fixedly displayed at the upper end (top) or lower end (bottom) of the display area (screen) is displayed at the original position in the list. To do. If the currently selected item is displayed at the original position in the list (OP175: Yes), the process proceeds to OP176. If the currently selected item is not displayed at the original position in the list (OP175: No), the process ends. Thereafter, while scrolling continues, the flow shown in FIG. 33 is repeatedly executed.

  In OP176, since the currently selected item is displayed at the original position in the list, the control unit 100 cancels the fixed display of the currently selected item. Thereafter, while scrolling continues, the flow shown in FIG. 33 is repeatedly executed.

  The flow shown in FIG. 33 is realized by, for example, the cooperation of the screen display control unit 11, the touch panel operation analysis unit 12, and the screen display setting unit 15 of the functional blocks shown in FIG.

(Music playback process)
FIG. 34 is an example of a flowchart of the reproduction process of the music selected in the reproduction target music selection process. The flow shown in FIG. 34 is started, for example, when the control unit 100 instructs the selected music piece to be played in OP127 of the flow of FIG. 29B. Also, the flow shown in FIG. 34 is repeatedly executed until the music reproduction process is stopped by the user's operation.

  In OP181, the control unit 100 determines whether or not the reproduction music list is new. If the reproduction music list is new (OP181: Yes), the process proceeds to OP182. If the reproduction music list is not new (OP181: No), the process proceeds to OP183.

  In OP182, since the reproduction music list is new, the control unit 100 instructs the predetermined part to reproduce the first music in the reproduction music list. When the audio source is iPod, the control unit 100 instructs the external recording medium playback unit 101 to play the first song in the playback song list. Thereafter, the flow shown in FIG. 34 is repeatedly executed until the music reproduction process is stopped by the user's operation.

  In OP183, the control unit 100 determines whether or not the playback of the current playback target music has been completed. When the reproduction of the current music to be reproduced is completed (OP183: Yes), the process proceeds to OP184. In OP184, the control unit 100 instructs a predetermined unit to reproduce the next song in the reproduction song list. If playback of the current playback target music has not been completed (O183: No), the process proceeds to OP185.

In OP185, the control unit 100 determines whether or not a music selection operation for selecting the previous music or the next music of the music currently being reproduced in the reproduction music list is performed. The music selection operation is an operation by pressing a fast forward button, a rewind button, or the like included in the operation unit 114, for example. When the music selection operation is performed (OP185: Yes), the process proceeds to OP186. In OP186, the control unit 100 instructs a predetermined unit to reproduce the target music in the reproduction music list. Thereafter, the flow shown in FIG. 34 is repeatedly executed until the music reproduction process is stopped by the user's operation. When the music selection operation is not performed (OP185: No), the process ends, and the flow shown in FIG. 34 is repeatedly executed until the music reproduction process is stopped by the user's operation.

(Operational effects of the first embodiment)
In the first embodiment, on the multi-selection screen, the first layer, the X-1th layer, and the Xth layer of the hierarchical structure are displayed in an operable state. As a result, when changing the selection item of the different X-1th layer in the hierarchical structure, the operation of displaying the X-1th layer can be omitted, and convenience is increased. In addition, since the first layer is displayed in an operable state on the same screen, when changing the selection item of the first layer, the selection item of the first layer is changed without performing many operations. can do.

  In the multi-selection screen, the first layer, the X-1th layer, and the Xth layer of the hierarchical structure are displayed in an operable state. For example, when selecting an item of the Xth layer, the user The item of the Xth layer can be selected while visually recognizing the selection item of the X-1th layer, which is the layer of X. In addition, when the items of the Xth layer and the X-1th layer cannot be displayed in the display area, the display area of both the Xth layer and the X-1th layer can be scrolled. On the same screen as the X layer, all the items of the X-1 layer that is one level higher can be confirmed, and convenience is enhanced.

  In the multi-selection screen, when the lower layers are displayed from the left to the right, the first layer, the X-1 layer, and the X layer were displayed by flicking from the left to the right The screen can be changed to a screen on which the first layer, the X-2 layer, and the X-1 layer are displayed. That is, the user can display the upper layer on the screen by flicking the display region of the lower layer from the screen to the left to the right. Thus, by linking the operation for instructing the screen transition and the screen display, the operation can be performed more intuitively and the operability is improved.

  In the first embodiment, the item being selected in the list remains in the display area and continues to be displayed even when the list is scrolled. As a result, the user can search for an item while visually recognizing the currently selected item.

Second Embodiment
FIG. 35 is a diagram illustrating a display example of the index display area. In the second embodiment, when a predetermined operation is performed in an area for displaying a list having a predetermined number of items arranged in alphabetical order and alphabetical order, the index characters of the list are displayed. Examples of the list having a predetermined number of items arranged in alphabetical order and alphabetical order include a list of all songs, a list of all artists, a list of all albums, and the like held in the audio source. The condition (predetermined operation) for displaying the index character includes, for example, pressing and holding a certain item, scrolling the list in the same direction a predetermined number of times, scrolling at a predetermined speed or more, and the like. In addition, long press is touching the same position with predetermined pressure for 2 seconds or more, for example.

For example, in the example shown in FIG. 35, when the user long presses the display area of the item “Artist (Aki)” (the name in parentheses is the artist name) in the second layer display area A6 on the second layer selection screen SC12. The index display area A9 is displayed in the right area of the second layer display area A6. When the item “Artist (Aki)” is pressed for a long time, the artist name “Aki” belongs to the A line, so “A” is displayed as an index character in the index display area A9. For example, when the artist name “HTO” is pressed for a long time, “H” is displayed as an index character in the index display area A9.

  When the index display area A9 is displayed, in the second layer display area A6, a list is displayed starting from the item starting with the index character displayed in the index display area A9. For example, when the index letter “H” is displayed in the index display area A9, the list is displayed in the second layer display area A6 with the item starting with “H” as the head.

  For example, when a downward flick is executed in the index display area A9 in the state shown in FIG. 35, the index characters in the index display area A9 are displayed as follows: a → ka → sa → ta →. Transition in order in stages. Further, when alphabets are displayed in the index display area A9, the display of index characters transitions in alphabetical order according to the flick operation. For example, when the index character “H” is displayed in the index display area A9, when a downward flick is executed in the index display area A9, the index character is expressed as H → I → J →. Display changes.

  Further, when a vertical flick, scroll, or the like is performed on the index display area A9, the display of the second layer display area A6 is also linked to the transition of the index character displayed in the index display area A9. To do. For example, when the index character “A” is displayed in the index display area A9, when the display of the index display area A9 is changed to the index character “KA” by flicking or the like, it is displayed in the second layer display area A6. The list is also scrolled from the state where the item starting with “a” is positioned at the head until the item starting with “ka” is positioned at the top.

  In addition, when the list is scrolled in the second layer display area A6 in a state where the index display area A9 is displayed, the index characters displayed in the index display area A9 linked to the scrolling of the list are also changed. For example, in the second layer display area A6, when the list is scrolled from the item starting from “A” to the item starting from “KA”, the index characters displayed in the index display area A9 Also transitions from “a” to “ka”.

  In FIG. 35, the example in which the index display area A9 is displayed in the second layer display area A6 on the second layer selection screen has been described. However, the present invention is not limited to this. If the display area is displayed, the index display area A9 can be displayed.

  FIG. 36 is an example of a functional block diagram of the control unit 100 of the AVN integrated device 1 capable of displaying the index display area described in FIG. The second embodiment is a functional block diagram in which an index control unit 20 is added to the functional block diagram of the first embodiment. The functional blocks described in the first embodiment will not be described in the second embodiment.

The index control unit 20 is one of functional blocks realized by the control unit 100 executing a display program. Independent of the screen transition control by the screen display control unit 11, the index control unit 20 controls display and deletion of the index display area A9, transition of index characters to be displayed, and the like. For example, when the index display condition is satisfied in the display area where the index display target list is displayed, the index display area A9 is displayed in the display area, and when the index display end condition is satisfied, the display is performed. The index display area A9 displayed in the area is deleted. The index display condition includes, for example, a long press, the number of continuous scrolls in the same direction, and the scroll speed. For example, the index display end condition is that the index display area A9 is displayed when an operation is performed in a display area other than the display area where the index display area A9 is displayed, or when an item is selected or the screen transitions in the reverse direction. The display area that is displayed is not displayed.

  The index control unit 20 determines whether the index display condition and the index display end condition are satisfied from the analysis result of the operation on the touch panel 202 from the touch panel operation analysis unit 12. Further, information on the display area for displaying the index display target list is acquired from the screen display control unit 11, and the index character to be displayed in the index display area A9 is determined. Further, the index control unit 20 outputs the information of the index display area A9 to the screen display setting unit 15, and the screen display setting unit 15 displays and erases the index display area A9 on the screen in accordance with an instruction from the index control unit 20. Set.

  FIG. 37 is a hierarchical structure list of the second embodiment held in the storage unit 19. The difference from the hierarchical structure list of the first embodiment is that each element is provided with an index display target flag. The index display flag is a flag for indicating that the list as an element is a list of index display targets.

  The index display target list is a list that is arranged according to a rule such as alphabetical order or alphabetical order, and that has a predetermined number (for example, 100) or more items. In the hierarchical structure table shown in FIG. 37, the “artist name list” in the second layer of the hierarchical structure having “artist” as the root, and the “album name list” in the second layer of the hierarchical structure having “album” as the root "," Song name list "in the second layer of the hierarchical structure rooted in" music ", and" artist name list for each genre "in the third layer of the hierarchical structure rooted in" genre " It is set as a list.

  The index control unit 20 refers to the hierarchical structure list as shown in FIG. 37 held in the storage unit 19 and determines whether or not the list displayed in the display area is an index display target list. .

  38 and 39 are examples of flowcharts of processing relating to the index display area. FIG. 38 is an example of a flowchart of processing relating to display and deletion of the index display area. The flow shown in FIG. 38 is started when the index display target list is displayed in any display area included in the selection start screen, the second layer selection screen, and the multi-selection screen.

  In OP191, the control unit 100 determines whether or not the index display area is displayed on the screen in the display area where the index display target list is displayed. If the index display area is displayed on the screen (OP191: Yes), the process proceeds to OP192. If the index display area is not displayed on the screen (OP191: No), the process proceeds to OP194.

  In OP192, the control unit 100 determines whether or not the index display condition is satisfied in the display area where the index display target list is displayed. If the index display condition is satisfied (OP192: Yes), the process proceeds to OP193. If the index display condition is not satisfied (OP192: No), the process ends.

In OP193, the control unit 100 outputs the index display area to the image adjustment circuit 108 and the image output unit 110, and displays the index display area on the screen of the liquid crystal panel 201. For example, when the index display condition is a long press, the control unit 100 analyzes the first character of the item in which the long press is detected, and displays the row of the line to which the first character belongs in the index display area. Alternatively, when the first character of the item for which the long press is detected is an alphabet, the first character is displayed in the index display area. Thereafter, while the index display target list is displayed, the flow shown in FIG. 38 is repeatedly executed.

  In OP194, since the index display area is displayed, the control unit 100 determines whether the index display end condition is satisfied. If the index display end condition is satisfied (OP194: Yes), the process proceeds to OP195. If the index display end condition is not satisfied (OP194: No), the process ends. Thereafter, while the index display target list is displayed, the flow shown in FIG. 38 is repeatedly executed.

  FIG. 39 is an example of a flowchart of processing relating to display transition of the index display area. The flow shown in FIG. 39 is started when the index display area is displayed, and is repeatedly executed while the index display area is displayed. Further, the flow shown in FIG. 39 is terminated when the index display area is not displayed, and the repeated execution is also terminated.

  In OP201, the control unit 100 determines whether an up / down flick on the touch panel 202 is detected. If a vertical flick on the touch panel 202 is detected (OP201: Yes), the process proceeds to OP202. If an up / down flick on the touch panel 202 is not detected (OP201: No), the process ends. Thereafter, while the index display area is displayed, the flow of FIG. 39 is repeatedly executed.

  In OP202, the control unit 100 determines whether or not a vertical flick has been performed within the index display area. When the up / down flick is performed in the index display area (OP202: Yes), the process proceeds to OP203. If the up / down flick is performed outside the index display area (OP202: No), the process proceeds to OP204.

  In OP203, the control unit 100 scrolls the displayed index display target list by linking to the transition of the index characters displayed in the index display area.

  In OP204, the control unit 100 determines whether or not an up / down flick has been performed within the display area in which the index display target list is displayed. If the up / down flick is performed within the display area where the list of index display targets is displayed (OP204: Yes), the process proceeds to OP205. If the up / down flick is performed outside the display area where the index display target list is displayed (OP204: No), the process ends. Thereafter, while the index display area is displayed, the flow of FIG. 39 is repeatedly executed.

  In OP205, the control unit 100 causes the index characters displayed in the index display area to transition by linking to the scroll of the index display target list (scrolling according to the flick). Thereafter, while the process ends and the index display area is displayed, the flow of FIG. 39 is repeatedly executed.

(Operational effect of the second embodiment)
In the second embodiment, when the number of items is larger than the predetermined number and the index display condition is satisfied in the display area where the list arranged in alphabetical order or alphabetical order is displayed, the index display is performed. An area is displayed. By flicking up and down in the index display area, the index display target list is scrolled by linking with the transition of the index characters displayed in the index display area, so that the user can detect a desired item more quickly. . In addition, the number of operations for detecting a desired item, for example, the number of scrolls of the list can be reduced.

(Other)
The application of the present invention is not limited to an AVN integrated machine, and can be applied to an information processing apparatus such as a mobile phone terminal, a music player, a game machine, and a general-purpose computer that includes a touch panel. Further, in the first embodiment and the second embodiment, the processing when selecting the music to be played back has been described as an example. However, the present invention is not limited to this, and the present invention is applied to processing that searches for hierarchical data. Is possible. For example, the present invention can be applied to a telephone number search or the like. In the first embodiment and the second embodiment, the description has been made on the assumption that the elements of each hierarchy are lists. However, the present invention is not limited to this, and the elements of each hierarchy may be, for example, a set of icons.

  The operation of the touch panel exemplified in the first embodiment and the second embodiment is an example, and the operation on the touch panel and the transition of the screen executed correspondingly depend on the design of the screen and the setting by the designer. large. For example, in the first embodiment and the second embodiment, when vertical scrolling is detected on the touch panel, the list displayed in the detected display area scrolls up and down. However, when the list is vertically written, the list may be scrolled according to the left / right scroll on the touch panel. That is, it is preferable that an operation on the touch panel and a screen transition corresponding to the operation are set so that a finger operation on the touch panel and a list movement displayed on the screen are linked.

  In the second embodiment, the display position of the index display area is an example, and the designer can freely set it.

  As described above, according to one aspect of the present invention, the information processing apparatus includes a first hierarchy option group on the display device and a first hierarchy option that is directly below the first hierarchy. The second hierarchy option group corresponding to one of the above is displayed on the display device in an operable state by an operation on the touch panel. Accordingly, the user of the information processing apparatus can operate and select the first hierarchy and the second hierarchy on the same screen. For example, when returning to the upper hierarchy and selecting a different option, The operation for returning to the hierarchy can be omitted.

  In this embodiment, a configuration for selecting a hierarchy using a touch panel is described. However, the present invention is not limited to this. For example, an operation device (such as a jog dial or a remote commander) capable of operating the AVN integrated device 1 is used. It may be configured to select a hierarchy.

  Also, one aspect of the present invention is that the display control unit moves the contact object that touches the touch panel when a part of the first hierarchy option group is not displayed in the display area of the first hierarchy. The options of the first hierarchy displayed in the display area of the first hierarchy may be changed following. The contact object that contacts the touch panel is, for example, a user's finger or a touch pen. Since the user of the information processing device can change the options displayed in the display area of the first hierarchy by moving the contact object on the touch panel, a part of the options of the first hierarchy is displayed in the display area. Even when it is not displayed, the user can visually recognize all the options of the first hierarchy.

  In addition, according to one aspect of the present invention, when there is an option selected by the user in the option group of the first hierarchy, the display control unit sets the selected option as a contact object that touches the touch panel. Regardless of the movement, it may be displayed in the display area of the first hierarchy. The selected option is displayed in the display area of the first hierarchy regardless of the movement of the contact object that touches the touch panel, so that the user searches for the option of the first hierarchy while visually checking the selected option. be able to.

In addition, according to one aspect of the present invention, the display control unit selects the selected first layer when one of the first layer options displayed in the display region of the first layer is selected by operating the touch panel. 1
The second hierarchy option group corresponding to the second hierarchy option may be displayed in the display area of the second hierarchy of the display device. As a result, when the option of the first layer, which is the upper layer, is selected on the same screen, the option group of the second layer immediately below corresponds to the selected option of the first layer accordingly. Therefore, the user can easily confirm the correspondence between the options in the first hierarchy and the options in the second hierarchy.

  In one aspect of the present invention, the display control unit may cause the display device to further display a selection group for selecting a hierarchical structure. As a result, on the same screen as the first hierarchy option group and the second hierarchy option group, an option group for selecting a hierarchical structure that is a higher hierarchy than the first hierarchy is displayed. However, even when it is desired to select a different hierarchical structure, an operation for returning to the display of the option group for selecting the hierarchical structure can be omitted.

  In addition, according to one aspect of the present invention, when the information processing apparatus does not input an operation signal from the user for a predetermined time, an option group for selecting a hierarchical structure group is displayed on the forefront of the display device screen. You may make it further contain the 2nd control part displayed.

  In one aspect of the present invention, a predetermined number of options are included in at least one of the display areas of the first hierarchy or the second hierarchy, and a predetermined operation is performed on the touch panel on the display area. An index display control unit that displays an index of a predetermined number of options in the display area when it is performed may be further provided. By displaying the index, a desired option can be detected more quickly.

  In addition, according to one aspect of the present invention, when a predetermined operation is performed on the index display area, the index display control unit changes the index character displayed in the index display area to display the index. The options displayed in the display area of the first hierarchy or the second hierarchy may be changed in conjunction with the transition of the index character.

  Furthermore, the present invention can be grasped as a method or a program executed by a computer. Further, the present invention may be a program in which such a program is recorded on a recording medium readable by a computer, other devices, machines, or the like. Here, a computer-readable recording medium is a recording medium that stores information such as data and programs by electrical, magnetic, optical, mechanical, or chemical action and can be read from a computer or the like. Say.

  For example, according to the present invention, an information processing apparatus including a display device including a touch panel and a storage device includes at least a first hierarchy option group included in a hierarchical structure and a hierarchy immediately below the first hierarchy. A step of reading from the storage device a second group of options corresponding to one of the options of the second layer, a second group of options corresponding to at least the first group of options and the first layer of options And a step of causing the display device to display the option group of the second layer in a state operable by a user operation on the touch panel.

  The means for solving the problems in the present invention can be combined as much as possible.

DESCRIPTION OF SYMBOLS 1 AVN integrated machine 11 Screen display control part 12 Touch panel operation analysis part 13 Last mode acquisition part 14 Last mode reading part 15 Screen display control part 16 Voice data reproduction instruction part 17 Basic menu control part 18 Shortcut control part 19 Storage part 20 Index control Unit 100 control unit 122 display unit 201 liquid crystal panel 202 touch panel

Claims (9)

  1. An information processing device including a display device for displaying information,
    At least the first hierarchy option group included in the hierarchical structure and the second hierarchy option group corresponding to one of the first hierarchy options are displayed on the display device in an operable state. An information processing apparatus including a display control unit.
  2. The display device of the information processing apparatus has a touch panel,
    The display control unit displays the option group of the first hierarchy and the option group of the second hierarchy in an operable state, and a part of the option group of the first hierarchy is displayed in the first hierarchy. 2. The selection of the first hierarchy displayed in the display area of the first hierarchy is changed according to the movement of the contact object that touches the touch panel when the display area is not displayed in the display area. Information processing device.
  3. When there is an option selected by the user in the option group of the first hierarchy, the display control unit sets the selected option to the first option regardless of the movement of the contact object that touches the touch panel. The information processing apparatus according to claim 2, wherein the information processing apparatus is displayed in a display area of a hierarchy.
  4. The display control unit, when one of the options of the first hierarchy displayed in the display area of the first hierarchy is selected, the second corresponding to the selected option of the first hierarchy. The information processing apparatus according to any one of claims 1 to 3, wherein an option group of a second hierarchy is displayed in a display area of the second hierarchy of the display device.
  5. 5. The information processing apparatus according to claim 1, wherein the display control unit further causes the display device to display an option group for selecting a hierarchical structure different from the hierarchical structure.
  6.   6. A second control unit for displaying an option group for selecting a hierarchical structure group on the forefront of the screen of the display device when an operation signal generated by a user operation is not input for a predetermined time. The information processing apparatus according to any one of the above.
  7. When a predetermined number of options are included in the display area of at least one of the first hierarchy and the second hierarchy, and a predetermined operation is performed on the touch panel, the display The information processing apparatus according to claim 2, further comprising an index display control unit that displays an index of the predetermined number of options in the area.
  8. When a predetermined operation is performed on the index display area, the index display control unit shifts an index character displayed in the index display area, and the index display control unit The information processing apparatus according to claim 7, wherein an option displayed in a display area or a display area of the second hierarchy is changed in conjunction with transition of the index character.
  9. An information processing device including a display device for displaying information and a storage device,
    Reading from the storage device at least a first hierarchy option group included in the hierarchical structure and a second hierarchy option group corresponding to one of the first hierarchy options;
    A display method for executing at least a step of causing the display device to display both the option group of the first hierarchy and the option group of the second hierarchy in an operable state.
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