JPH0659852A - Overlapping display system for plural data groups - Google Patents

Abstract

PURPOSE:To improve the overlapping display of plural data groups by collecting a history of a revised line on a screen and displaying only the revised line. CONSTITUTION:A command relating to display is received (S21) at first. Then which order of line on a physical screen is revised by a command relating to the received display is stored (S22). Then received display data are set on a logic screen (S23). Then a physical screen is generated from the logic screen (S23). Then a revised line on the physical screen is displayed (S25). Then in the stage of storing whether or not a command is a revision command, a command relating to the display based on a number of a data group being a display object in commands relating to the display to be received, on a relative display position in the data group and on a display position onto the physical screen for each data group stored in the stage of setting the display data on the logic screen is calculated as to which order line on the physical screen the command revises and the position is stored. Since only the revised line is displayed, the pattern is displayed at a higher speed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an overlay display method for a plurality of data groups.

[0002]

2. Description of the Related Art In the conventional overlay display method of a plurality of data groups, data of all rows of a physical screen are unconditionally displayed.

FIG. 3 is a flowchart showing a conventional example. In the figure, step S1 is a procedure for receiving a display-related command, step S3 is a procedure for setting the received display data on a logical screen, step S4 is a procedure for generating a physical screen from the logical screen, and step S5 is for all physical screens. Represents the procedure for displaying rows.

FIG. 4 is a flow chart showing an example of a screen input / output process according to the conventional overlapping display system of a plurality of data groups. In the figure, step S11 is a procedure for receiving a command related to display and input, step S16 is a procedure for determining whether the received command is related to display or input, and step S13 is a procedure for setting the received display data on a logical screen, Step S14 represents a procedure of generating a physical screen from a logical screen, step S15 represents a procedure of displaying all lines of the physical screen, and step S17 represents a procedure of inputting from the keyboard.

[0005] Reference numerals 10 and 20 in FIG. 5 describe a logical screen, a physical screen, and a relationship between the logical screen and the physical screen, which are related to the conventional overlapping display of a plurality of data groups. The logical screen 10 is an area in which data groups to be actually displayed are defined without overlapping. In the part where the physical screen is generated from the logical screen, the data group defined on the logical screen, the display position on the physical screen for each hidden data group, and the display priority for each data group are actually called the physical screen 20. An area in which the data displayed on the screen is defined is generated.

[0006]

In the above-mentioned conventional superposition display method for a plurality of data groups, the entire physical screen is always displayed immediately before the process of inputting from the keyboard. Since the entire screen is rewritten every time, there is a disadvantage that the time from one keyboard input to the next keyboard input becomes long.

[0007]

In the overlay display method for a plurality of data groups of the present invention, a procedure for receiving a command related to display and what line the received command related to display is for updating a physical screen. Is stored, a process of setting the received display data on the logical screen, a process of generating a physical screen from the logical screen, and a process of displaying the updated row of the physical screen. .

[0008]

The present invention will be described below with reference to the drawings.

FIG. 1 is a flow chart showing an embodiment of the present invention. In the figure, step S21 is a procedure for receiving a display-related command, step S22 is a procedure for storing which line on the physical screen the received display-related command is, and step S23 is a logical screen for the received display data. Procedure for setting above, step S24
Is a procedure for generating a physical screen from a logical screen, step S2
Reference numeral 5 represents a procedure for displaying the updated line on the physical screen.

FIG. 2 is a flow chart of the screen input / output processing of the simple language dedicated editor which is an embodiment of the present invention.
In the figure, step S31 is a procedure for receiving a command related to display and input, step S36 is a procedure for determining whether the received command is related to display or input, and step S32 is a line on the physical screen where the received command is related to display. Is stored in the logical screen, step S33 is to set the received display data on the logical screen, step S34 is to create a physical screen from the logical screen, and step S35 is to update the physical screen. A step of displaying lines, step S37 represents a step of inputting from the keyboard.

The screen input / output processing of the simple language dedicated editor will be described below with reference to FIGS. In FIG. 2, a portion that receives a command regarding display and input (step S3
In 1), the screen display (character string display, ruled lines and color settings, etc.) requested by various parts other than the screen input / output processing of this simple language editor is received, and commands related to input from the keyboard are received. Confirm. If there is an error in the command contents as a result of the confirmation, the fact that there is an error is notified to the request source, and if the command contents are correct, the command is issued in step S3.
Hand over to 6. In the portion (step S36) for determining whether the received command is related to display or input, the command passed from step 1 is classified into whether it is related to input from the keyboard or related to screen display, and input from the keyboard. If it is related to the command, the command is passed to step S34. If it is related to screen display, the command is passed to step S32.

In the portion (step S32) for storing which line on the physical screen the received display-related command is a command for updating, the data group to be displayed among the received display-related commands is stored. Whether the command relating to the display received from the number and the relative display position in the data group and the display position on the physical screen for each data group stored in step S33 is the command to update the line on the physical screen. Calculate and store the position. The portion to be stored is the portion surrounded by the broken line in FIG. 5 (the portion for collecting and storing the history of updated rows on 30 physical screens). For example, if a display command is given to the relative second line of the data group number No1 now, the display position on the physical screen of the data group number No1 stored in step S33 (probably the third line now) and the second line This means that the 4th line, which has been decremented by 1 from the sum of the eyes, has been updated. Therefore, in this step, the portion of the fourth row of the portion for collecting and storing the history of the updated row on the physical screen 30 is referred to as "update". (The initial value of the part for collecting and storing the history of updated lines on the physical screen 30 is "unupdated" for all lines.) The part for setting the received display data on the logical screen (step S33). ), The number of the data group to be displayed in the received display command, the relative display position within the data group, the display data, and the display position of each data group stored in step S33 on the logical screen. To set the display data to the specified position in the corresponding data group on the logical screen. As a result, the logical screen 10 is updated and the display data is set on the logical screen.
A part for generating a physical screen from a logical screen (step S3
In 4), the number of the data group having the lowest priority is extracted from the display priority order of each data group stored in step 34, and stored in step 34 with the data group of the corresponding number in the logical screen. The data group having the lowest priority is copied from the display position of each data group on the physical screen to the physical screen. When copying, the physical screen 30 created in step S32 without copying the entire data group
Copying is performed only for the updated row on the physical screen while referring to the portion for collecting and storing the history of the updated row above. Then, the second lowest priority data group is similarly copied to the physical screen. This process is repeated until the highest priority data group is copied to the physical screen. As a result, the physical screen 20
Is generated.

In the portion for displaying the updated row of the physical screen (step S35), the portion for collecting and storing the history of the updated row on the physical screen 30 created in step S32 and the portion created in step S34. From the physical screen 20, display processing is performed only for the rows updated from the previous display of the actual screen to the current display screen. Further, after the display process is performed, all the values of the portion where the history of the updated row on the physical screen 30 is collected and stored is set to “not updated”. In the portion for inputting from the keyboard (step S37), the number of the data group that is the input target of the command relating to the received input, the relative input position within the data group, and each data group stored in step S33 From the display position on the logical screen, the position on the physical screen at which the command related to the input received is used to perform the input process is calculated, and the input process from the keyboard is performed at the calculated position.

In the high-speed superimposition display of a plurality of data groups according to the present invention, a new portion for collecting and storing the history of updated rows on the physical screen is newly provided, and this portion is referred to when the screen is displayed to refer to the previous physical screen. Since only the updated rows are displayed from the time when is displayed, a faster screen display can be realized.

[0015]

As described above, according to the present invention, the history of updated lines on the screen is collected and only the updated lines are displayed, so that the performance of the superimposed display of a plurality of data groups can be improved. There is.

[Brief description of drawings]

FIG. 1 is a flowchart showing an example.

FIG. 2 is a flowchart of screen input / output processing of a simple language dedicated editor that is an embodiment of the present invention.

FIG. 3 is a flowchart showing a conventional example.

FIG. 4 is a flowchart showing a flow chart of screen input / output processing of a conventional system.

FIG. 5 is a schematic diagram illustrating a logical screen, a physical screen, a relationship between the logical screen and the physical screen, and a part that collects and stores a history of updated rows on the physical screen.

[Explanation of symbols]

 10 Logical screen 20 Physical screen

Claims (1)

[Claims] 1. A procedure for receiving a display-related command,
A procedure for storing which line on the physical screen the received display command is, a procedure for setting the received display data on the logical screen, and a part for generating a physical screen from the logical screen. And a method of displaying updated rows on a physical screen, in which a plurality of data groups are superimposed and displayed.