JPH05324254A - Scroll amount calculating device - Google Patents

Abstract

PURPOSE:To display data to be referred to at an appropriate position with one scroll. CONSTITUTION:An output data analyzing device 1 inputs and analyzes output data based on a scroll instruction to move up from an input device 7 and generates output data information to be stored in an output data preserving device 2. With the control of the input device 7, a scroll amount controller 4 inputs the width of a screen at present from an output device state acquiring device 5, inputs the leading output data while being displayed on the screen from an output data information acquiring device 3 and calculates the scroll amount to be outputted to an output device 6.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is used in a scroll amount calculation device for an information processing device. In particular, the present invention relates to a scroll amount calculation device that performs screen output processing of text data of an information processing device.

[0002]

2. Description of the Related Art Conventionally, in the case of a word processor or the like, a scroll amount calculation device usually scrolls a predetermined amount such as line by line or screen by screen and then outputs it to the screen.

[0003]

However, in such a conventional scroll amount calculation apparatus, since a predetermined amount of scroll processing is performed for each line or screen, the data to be referenced is displayed in the drawing from the middle. In some cases, the scroll amount is too large to display the next data, and each time the scroll is repeated several times to display the data to be referenced, there is a drawback that it takes time.

The present invention solves the above-mentioned drawbacks, and an object of the present invention is to provide a scroll amount calculation device capable of displaying data to be referred to at an appropriate position by scrolling once.

[0005]

According to the present invention, in a scroll amount calculation device having an input device for outputting a scroll command and an output device for performing scrolling based on the input scroll amount, input output data information is stored. An output data storage device, an output data analysis device that inputs and analyzes output data based on the scroll command to generate the output data information, and an output that extracts the current state of the output device based on an input state acquisition request A device status acquisition device, an output data information acquisition device that extracts the contents of the output data storage device based on an input output data information acquisition request, and outputs the status acquisition request and the output data information acquisition request based on the scroll command. Based on the outputs of the output device status acquisition device and the output data information acquisition device, the screen Characterized by comprising a scroll amount control device which calculates and outputs Lumpur amount.

According to the present invention, the scroll command is
Instructions may be included that scroll up and scroll down.

Further, according to the present invention, the output data information includes the number of pieces of output data information indicating the number of all pieces of output data information, output data, a status flag indicating whether or not the output data is the first one displayed on the screen, and its The current state of the output device may include the width of the screen currently displayed, including the number of characters of the output data.

[0008]

The output data analysis device inputs output data based on a scroll command from the input device, analyzes the output data, generates output data information, and stores the output data information in the output data storage device. The scroll amount control device outputs a status acquisition request and an output data information acquisition request based on a scroll command from the input device to output the current status of the output device from the output device status acquisition device or the output data storage device from the output data information acquisition device. Input the contents of, calculate the scroll amount and output to the output device.

As described above, the data to be referenced can be displayed at an appropriate position by scrolling once.

[0010]

Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a block diagram of a scroll amount calculation device according to an embodiment of the present invention. FIG. 5 is a diagram showing the structure of output data information of the scroll amount calculation device of the present invention.

1 and 5, the scroll amount calculation device comprises an input device 7 for outputting a scroll command, and an output device 6 for performing scrolling based on the input scroll amount.

The feature of the present invention is that the output data storage device 2 stores input output data information.
An output data analysis device 1 for inputting and analyzing output data based on the scroll command to generate the output data information; and an output device state acquisition device 5 for extracting the current state of the output device based on an input state acquisition request. And an output data information acquisition device 3 that extracts the contents of the output data storage device 2 based on an input output data information acquisition request, and outputs the status acquisition request and the output data information acquisition request based on the scroll command and outputs the output device status. The scroll amount control device 4 calculates and outputs the scroll amount based on the outputs of the acquisition device 5 and the output data information acquisition device 3.

The scroll instruction includes an instruction to scroll up and an instruction to scroll down.

Further, the output data information includes the number of output data information indicating the total number of output data information, output data, a status flag indicating whether the output data is the first one displayed on the screen, and the number of characters of the output data. And the current state of the output device includes the width of the currently displayed screen.

The operation of the scroll amount calculating device having such a configuration will be described.

FIG. 2 is a flow chart showing the processing of the output data analysis device of the scroll amount calculation device of the present invention.
FIG. 3 is a flowchart showing the processing of the output data information acquisition device of the scroll amount calculation device of the present invention. FIG. 4 is a flowchart showing the processing of the scroll amount control device of the scroll amount calculation device of the present invention.

In FIG. 1, the case where the text data is scroll-displayed when the output device 6 is a CRT display will be described.

First, when a command to scroll up is issued from the input device 7, the output data analysis device 1 inputs the output data to be displayed on the screen, and a line break, a page break, or the end of data, which serves as a sentence delimiter. The number of characters until the above is calculated, and the sentence data and the number of characters are stored in the output data storage device 2. Next, the scroll amount control device 4 requests the output data information acquisition device 3 for the number of characters of the document data currently displayed at the top of the screen based on the control of the input device 7, and acquires the width of the screen for the output device state acquisition. Request device 5.

The output data information acquisition device 3 takes out from the output data storage device 2 the data whose flag indicating that it is displayed at the top of the screen is TRUE, and outputs it to the scroll amount control device 4. The scroll amount control device 4 calculates the scroll amount from the number of characters of the document data currently displayed on the top of the current screen received from the output data information acquisition device 3 and the width of the screen received from the output device status acquisition device 5, and outputs the scroll amount. Output to the device 6.

Next, the output data analysis apparatus will be described in detail with reference to FIG.

First, the area for counting the number of output data information is initialized to "0" (S11). TRUE is set to the status flag in the output data information (S1
2). An area for counting the number of characters stored in the output data information is initialized with "0" (S13). One character is read from the output data (S14), and the number of characters is counted up (S15). Steps S14 to S16 are repeated until a line feed, page break, or data end. The number of output data information is counted up (S17). Output data information including a state flag, the number of characters, and output data is stored (S18). If there is data, set the status flag to FAL
Set to SE and step S13 until there is no data
~ Repeat S20. As a result, only the first output data information becomes TRUE, and the subsequent output data information becomes FALS.
It becomes E.

Next, the output data information acquisition device will be described in detail with reference to FIG.

First, the output data information is read in order from the beginning, and the one whose status flag is TRUE is taken out (S31, S).
32). The extracted output data information is saved in the work area (S33). When the fetched output data information is scrolled, it is not at the top of the screen, so the status flag is rewritten to FALSE (S34, S35). As a result of scrolling, the top output data information on the screen is taken out, and the status flag is rewritten to TRUE (S36 to S4).
0). The output data information is set by dividing it according to the scroll direction and output to the scroll amount control device 4 (S
41-S43).

Next, the scroll amount control device will be described in detail with reference to FIG.

The output data information is acquired from the output data information acquisition device 3 (S51). The width of the screen currently being output is acquired from the output device status acquisition device 5 (S52). The number of lines to be scrolled is calculated from the acquired output data information and the width of the screen (S53). The scroll amount is output to the output device 6 and scrolled (S55, S56).

[0026]

As described above, the present invention has an excellent effect that data to be referred to can be displayed at an appropriate position by scrolling once.

[Brief description of drawings]

FIG. 1 is a block configuration diagram of a scroll amount calculation device according to an embodiment of the present invention.

FIG. 2 is a flowchart showing the processing of the output data analysis device of the scroll amount calculation device of the present invention.

FIG. 3 is a flowchart showing the processing of the output data information acquisition device of the scroll amount calculation device of the present invention.

FIG. 4 is a flowchart showing a process of a scroll amount control device of the scroll amount calculation device of the present invention.

FIG. 5 is a diagram showing a configuration of output data information of the scroll amount calculation device of the present invention.

[Explanation of symbols]

 1 Output data analysis device 2 Output data storage device 3 Output data information acquisition device 4 Scroll amount control device 5 Output device status acquisition device 6 Output device 7 Input device

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Ayako Kusumi 4-4-2, Bandai 4-chome, Niigata City, Niigata Prefecture Niigata Nippon Electric Software Co., Ltd.

Claims (3)

[Claims] 1. An input device for outputting a scroll command,
In a scroll amount calculation device including an output device that performs scrolling based on an input scroll amount, an output data storage device that stores input output data information and output data that is input and analyzed based on the scroll command. Output data analysis device for generating data information, output device status acquisition device for extracting the current status of the output device based on the input status acquisition request, and contents of the output data storage device for the input output data information acquisition request An output data information acquisition device for extracting the output data information acquisition device, and the output device information acquisition request and the output data information acquisition request based on the scroll command to calculate the scroll amount based on the output device status acquisition device and the output data information acquisition device output. And a scroll amount control device for outputting the Crawling amount calculator. 2. The scroll instruction includes an instruction to scroll up and an instruction to scroll down.
The scroll amount calculation device described. 3. The output data information includes the output data information number indicating the number of all output data information, output data, a status flag indicating whether or not the output data is the first one displayed on the screen, and the number of characters of the output data. 2. The scroll amount calculation device according to claim 1, further comprising: a current state of the output device including a width of a screen currently displayed.