JPH03110595A - Cursor display system - Google Patents

Abstract

PURPOSE:To display a cursor in the display area of a data item having specific mutual relativity to a data item to be processed by displaying an identical data item cursor and a record cursor together with a character cursor and a data item cursor. CONSTITUTION:A display area list 7 contains information indicating the positions of display areas as to respective data items and information showing mutual relativity between data items, a cursor display indication list 8 contains information indicating display attributes of various cursors including the identical data item cursor and record cursor, and a character display indication information storage area 3 is stored with the display attributes of respective character position in a character display picture. A cursor control means 1 change the display attributes of respective character positions in the character display indication information storage area 3 into the display attributes of the cursors including the identical data item cursor and record cursor by referring to the display area list 7 and cursor display indication list 8. Consequently, a cursor display is made in the display area of the data item having the specific mutual relativity to the data item to be processed.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a cursor display method, and particularly to a cursor display method in a character display device (a display device having a character display screen) of an information processing system.

[Conventional technology]

Conventionally, in this type of cursor display method, a cursor display as shown below has been performed.

■ Cursor display showing the position of one character to be processed ■ Cursor display showing the position of all or part of the same row or column on the character display screen ■ Cursor display showing the position of a character string spanning multiple lines ■ Character Cursor display indicating a display area within a range divided by a rectangle on a display screen [Problem to be solved by the invention] In the conventional cursor display method described above, only the above Φ to ■ cursor display is performed. , displays each data item of multiple records each consisting of multiple data items (these records each have the same type of data items) in a single line or multiple line display area on the character display screen. When doing so, display the cursor in the display area of the same data item (a data item of the same type as the data item to be processed and belonging to a record other than the record to which the data item to be processed belongs) on the character display screen. The cursor cannot be displayed in the display area of all data items in the code, so when editing data using a character display device, etc. A drawback is that it is difficult to identify the interrelationships among display areas (such as different types of data items and different types of data items within the same record).

In view of the above-mentioned points, an object of the present invention is to enable display of a cursor in the display area of data items that have a specific interrelationship with the data item to be processed. An object of the present invention is to provide a cursor display method that allows mutual relationships to be easily identified.

[Means to solve the problem]

The cursor display method of the present invention includes a display area list having information indicating the position of the display area for each data item and information indicating the interrelationship between the data items, and various cursors including the same data item cursor and record cursor. a cursor display instruction list having information indicating the display attributes of the character display screen, a character display instruction information storage area that stores the display attributes of each character position on the character display screen, and based on reference to the display area list and the cursor display instruction list. Displaying data items that are interrelated with the data item to be processed by changing the display attributes of each character position in the character display instruction information storage area to the display attributes of various cursors including the same data item cursor and record cursor. and cursor control means for controlling cursor display for indicating areas.

[Effect]

In the cursor display method of the present invention, the display area list includes information indicating the position of the display area for each data item and information indicating the mutual relationship between the data items, and the cursor display instruction list includes the same data item cursor and record. It has information indicating the display attributes of various cursors including the cursor, the character display instruction information storage area stores the display attributes of each character position on the character display screen, and the cursor control means has a display area list and a cursor display instruction list. By changing the display attributes of each character position in the character display instruction information storage area to the display attributes of various cursors including the same data item cursor and record cursor based on the reference of Controls the cursor display to indicate the display area of the item.

〔Example〕

Next, the present invention will be explained with reference to the drawings.

FIG. 1 is a schematic diagram showing the configuration of an embodiment of the cursor display method of the present invention. The cursor display method of this embodiment includes a cursor control means 1, an application program 2, a character display instruction information storage area 3, a character display device 4 consisting of a character display control means 5 and a character display screen 6, and a display area restorer. and a cursor display instruction list 8 (the display area restore and cursor display instruction list 8 are notified by the application program 2 and saved by the cursor control means 1).

FIG. 2 is a diagram showing the structure of the character display instruction information storage area 3. The character display instruction information storage area 3 includes a character code storage area 31 that stores the character code of the character to be displayed at the character position W on the corresponding character display screen 6, and the display attribute of the corresponding character position (the Information indicating the display method of the cursor (for example, information indicating display methods such as blinking display, reverse display, and display using a specific color) is stored on the character display screen. (The character position on the character display screen 6 can be specified by the relative position (entry number) of each pair in the character display instruction information storage area 3.) FIG. 3 is a diagram showing the configuration of display area restoration.
Display area restoration includes, for each data item, first character display position information 71 indicating the position of the first character in the display area of the data item on the character display screen 6, and display of the data item on the character display screen 6. End character display position information 72 indicating the end character position of the area, and a data item ID (IDent) for identifying the type of the data item.
i f 1cation) 73 and a record ID 74 for identifying the record to which the data item belongs, for the number of data items displayed on the character display screen 6 (data item ID 7).
3 and record ID 74 correspond to information indicating the interrelationship between data items).

FIG. 4 is a diagram showing the structure of the cursor display instruction list 8. The cursor display instruction list 8 includes the character cursor 61 . Data item cursor 62. Codes indicating display attributes when displaying the same data item cursor 63 and record cursor 64 (see Figure 5) (Character cursor display code 81; Data item cursor display code 82; Same data item cursor display code) 83 and code 8 when displaying record cursor
4).

FIG. 5 is a diagram showing an example of a display on the character display screen 6. This character display screen 6 includes display areas for data items A, B, and C of record (1), as well as display areas for data items A, B, and C of record (1).
2), the display areas for data items A, B, and C exist, and the record (data item C in 11 is the data item to be processed at the moment), the character cursor 61, which indicates the character position for one character, is displayed. Data item cursor 62° indicating the display area of the data item (record)
Record (1) having data item C) of
)) Same data item cursor 63 indicating the display area of the data item of the same type as the data item to be processed in the record (record (2)) (data item C of record (2)) and the data item to be processed A record cursor 64 indicating the display area of all data items in the record (data items AB and C of record fi+) is displayed. cursor indicating the display area of related data items).

Next, the operation of the cursor display method of this embodiment configured as described above will be explained.

When starting the screen display on the character display screen 6 in the character display device 4 or changing the screen display, the application program 2
notifies the cursor control means 1 of either or both of the display area restoration and the cursor display instruction list 8.

The cursor control means 1 stores this information until the next notification.

When changing the characters displayed on the character display screen 6, the application program 2 directly stores the character code of the changed character in the character code storage area 31 in the character display instruction storage area 3.

When changing the cursor display, the following processing is performed.

The application program 2 instructs the cursor control means 1 about the type and display position of the cursor whose display is to be changed.

Here, the cursor display position is specified by character cursor 6.
In the case of 1, it is indicated by the character position on the character display screen 6,
In the case of the data item cursor 62, it is indicated by the entry number of the display area restore, and the same data item cursor 6
In case of 3, display area restore data item TD73
In the case of the record cursor 64, the display area restore record ID 74 is used.

The cursor control means 1 controls only the cursor designated by the application program 2 so that the current cursor display is canceled and a new cursor is displayed at the designated display position.

That is, for the character cursor 61, the entry in the character display instruction information storage area 3 that directly corresponds to the display position (character position) is obtained, and the entry is indicated by the character cursor display time code 81 in the cursor display instruction list 8. Display attribute storage area 3 in the entry with the display attribute of the character cursor 61
Update the setting value of 2.

In addition, for cursors of types other than the character cursor 61 (data item cursor 62, same data item cursor 63, and record cursor 64), the character position included in the display position of the display area of the cursor is determined based on the display area restore reference. is obtained, the entry in the character display instruction information storage area 3 corresponding to that character position is obtained, and the display code (data item cursor display code 82.Same data item) corresponding to the cursor in the cursor display instruction list 8 is obtained. The set value of the display attribute storage area 32 in the entry is updated with the display attribute indicated by the cursor display code 83 or the record cursor display code 84).

Additionally, if you want to stop displaying a particular cursor,
The display time code corresponding to the cursor is obtained from the cursor display instruction list 8, and the display attribute storage area 32 in the character display instruction information storage area 3 that has the display code is all hidden.This code is the cursor code. (prepared and saved by the control means 1).

The character display control means 5 in the character display device 4 scans the character display instruction information storage area 3 at regular intervals, and according to the contents of the character display instruction information storage area 3 updated as described above, The character font of the character code in the character update storage area 31 in the entry corresponding to each character position on the character display screen 6 is displayed based on the display attribute in the display attribute storage area 32 in the corresponding entry.

(Effects of the Invention) As explained above, the present invention enables the display of the same data item cursor or record cursor together with a character cursor or a data item cursor, so that specific interrelationships can be established for data items to be processed. It is possible to display a cursor in the display area of a data item having There is.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention, FIG. 2 is a diagram showing the configuration of the character display instruction information storage area in FIG. 1, and FIG. 3 is the display area in FIG. 1. FIG. 4 is a diagram showing the configuration of the cursor display instruction list in FIG. 1; FIG. 5 is a diagram showing an example of the display of the character display screen in FIG. 1. In the figure, l... Cursor control means, 2... Application program, 3... Character display instruction information storage area, 4... Character display device, 5... Character display control means, 6... Character display screen, 7... Display area list, 8... Cursor display instruction list, 31... Character code storage area, 32... Display attribute storage area, 6I... 62... 63... 64.・ 71 ・ ・ 72 ・ ・ 73 ・ ・ ・ ・ 81 ・ 82 ・ 83 ・ 84 ・ ・Character cursor, ・Data item cursor, ・Same data item cursor, ・Record cursor, ・First character display position information , ・Terminal character display position information, ・Data item ID, ・Record ID.・Code when character cursor is displayed, ・Code when data item cursor is displayed, ・Code when same data item cursor is displayed, ・Code when record cursor is displayed.

Claims (1)

[Claims] A display area list having information indicating the position of the display area for each data item and information indicating the interrelationship between the data items, and display of various cursors including the same data item cursor and record cursor. a cursor display instruction list having information indicating attributes; a character display instruction information storage area that stores display attributes of each character position on the character display screen; By changing the display attributes of each character position in the display instruction information storage area to the display attributes of various cursors, including the same data item cursor and record cursor, a display area for data items that are interrelated with the data item to be processed can be created. 1. A cursor display method comprising: cursor control means for controlling cursor display to indicate.