JPH0740182B2 - Document processing apparatus and method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of use]
The present invention relates to a document processing device and method to be created.

[Prior Art] Character types that can be used during editing in a recent document processing apparatus include double-width characters including double-byte characters, double-height characters, and double-width characters.

Usually, these characters are based on the full-width character pattern,
It was caused by developing one dot in the pattern into two dots vertically or horizontally. Therefore, when a double-width character is input on the document edit screen, for example, two character input frames on the display screen are occupied.

By the way, at present, the mainstream is to display a frame corresponding to one page (hereinafter referred to as a page frame) on the display screen.
The size of this frame is often based on the number of rows and the number of columns set in the initial setting process, and naturally, the size may exceed the display screen. In particular, this is often the case when the display screen itself is about 40 × 20 characters.

Therefore, in order to operate correction of a document that is off the display screen, it is necessary to display the portion to be corrected. At this time, a scrolling method is often used.

[Problems to be Solved by the Invention] However, if a document in which the above-described characters such as double-width characters or double-width characters and full-width characters are mixed is scroll-displayed, the following problems occur.

FIG. 10A shows the document information 100 and the display area 101 of the display screen.
FIG. 9 is a diagram conceptually showing the relationship between and, and shows a state in which there is a character string composed of double-width characters in vertical and horizontal directions and double-byte characters at a position off the display screen.

Now, when the cursor 102 is located at the position shown in the drawing (bottom of the display screen), it is assumed that the user presses a key provided on a keyboard or the like to move the cursor downward in order to see the line below the cursor. Then, in the conventional scrolling, the size of the double-byte character is used as a unit, so that the display screen 103 as shown in FIG. 10B is displayed.

This does not mean that the operator's intention of "I want to see the next line" is not satisfied.

And this problem does not occur only in vertical scrolling. That is, although the description is omitted, the same problem occurs in horizontal scrolling of a document in which double-width characters are mixed.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a document processing apparatus and method capable of scrolling a document to meet a user's request with a simple operation.

[Means for Solving Problems] In order to solve this problem, the document processing apparatus of the present invention has the following configuration.

That is, a document processing device for displaying or editing or creating a document on a display screen, comprising at least a position designating means for designating a position of a desired character displayed on the display screen, and the display by the position designating means. When a character exceeding the upper or lower frame of the screen is designated, a scroll means for scrolling the document information in one direction with a movement amount based on the height of the character in the line including the designated character is provided.

Another document processing apparatus of the present invention is a document processing apparatus for displaying a document on a display screen for editing or creating, and at least a position designation for designating a position of a desired character displayed on the display screen. Means and scroll means for scrolling the display screen leftward or rightward by a movement amount based on the width of the designated character when a character exceeding the left or right frame of the display screen is designated by the position designating means. Equipped with.

Further, the document processing method of the present invention displays the document stored in the storage means on the display screen, and when display of a character at a position beyond the upper or lower frame on the display screen is designated, the designated character is designated. It is characterized in that the document is scrolled upward or downward by the amount of movement based on the height of the characters in the line including.

[Operation] In the present invention, for example, when a character that exceeds the upper and lower frames of the display screen is designated by the position designating means, scrolling is performed by the amount of movement based on the height of the character in the line including the designated character. To do.

Embodiments Embodiments according to the present invention will be described in detail below with reference to the accompanying drawings.

<Explanation of Schematic Configuration of Apparatus (FIG. 1)> FIG. 1 shows a schematic configuration of the document processing apparatus in the embodiment.

In the figure, 1 is a CPU that controls the entire apparatus, and a memory 2
It operates according to the program stored in the program area 2a therein. The program area 2a stores programs relating to the flow charts of FIGS. The document information being edited is expanded in the document area 2b in the memory 2. Reference numeral 3 is a VRAM, and the image data developed here is displayed on a CRT 4 which is one of the display devices. Reference numeral 5 is a character pattern generator capable of generating a plurality of types of character patterns. For example, the character pattern corresponding to the character code in the document area 2b is VRAM3.
Used when deploying to. The character types generated by this character pattern generator 5 are full-width characters and full-width characters 1.
Characters such as 5 times larger (which can be achieved if the character pattern is held in advance) are generated. Reference numeral 6 denotes a transparent pressure-sensitive touch panel located on the front surface of the display screen of the CRT 4, and the position information touched by the operator's fingertip is fetched by the CPU 1.
Reference numeral 7 is a keyboard for inputting various kinds of information, and includes a Joystick 7a. Reference numeral 8 denotes an external storage unit (for example, a magnetic disk device) capable of storing a plurality of pieces of document information. Further, 9 is a printing unit.

<Description of Document Editing Process (FIGS. 2 (a) and 2 (b))> First, an outline of the process of the document processing apparatus according to the embodiment will be described. The keyboard 7 is used to input various information in the embodiment.
In addition, the surface of the touch panel 6 corresponding to various icons displayed on the display screen of the CRT 4 is designated by a finger or the like for selection. The "... button" in the following description is an icon corresponding to various processes displayed on the display screen, and the operation of touching the position of the touch panel 6 corresponding to the button is simply referred to as "touch".

Now, when the power is turned on and the menu for document creation is selected, in step S1, the display screen of the CRT4 secures an area in which multiple lines of documents related to document creation can be displayed. Groups are displayed.

Now, in step S2, it is determined whether or not the edit end button is touched. When this determination is "YES", the editing process is terminated and the process returns to the process before entering the series of flow charts.

If it is determined that there is a character input from the keyboard 7 in step S3, the process proceeds to step S4 to execute the process of incorporating the kana-kanji converted sentence containing kana into the editing screen. still,
At this time, the character pattern is developed in the VRAM 3 in the character size set in step S6, the details of which will be described later.

If the touch of the operator's character type setting button is detected in step S5, the process moves to step S6, and the editing screen display mode (the number of line digits, etc.) Execute the processing for setting Sasa.

When it is determined in step S7 that the character type change button has been touched, the process moves to step S8 to set the character type, specify the range in the already displayed document, and set the character string within the specified range. Process to change to the specified character type.

If a touch on the edit button is detected in step S9, the process moves to step S10 to select and execute a desired character string such as left justification, right justification, or centering.

Further, if it is determined in step S11 that the read / save button has been touched, in step S12 it is selected whether to save the document being edited or to read a new document, and the processing is executed based on the selected contents. .

If it is detected in step S13 that the table / picture button has been touched, move to step S14 and specify which one to select, and read each subroutine according to the selection contents and interact with the edit screen. Create a table or a picture.

Furthermore, when the format / print button is touched in step S15, the process proceeds to step S16, the format is changed and the layout is displayed based on it, and printing is executed if necessary.

In this manner, various processes are sequentially executed based on the information from the keyboard 7 or the touch panel 6, but in the embodiment, during this period, the joystick 7a provided on the keyboard 7 is operated to display on the display screen. I moved the cursor. Of course, a widely used key for moving the cursor may be used for the operation.

<Explanation of Character Symbol Expansion (FIG. 3)> The character pattern expansion processing in the embodiment will be described below.

FIG. 3 is a diagram showing an example in which vertical and horizontal double-width characters 30 and full-width characters (reference characters) 31 are mixed and developed in the embodiment.

As can be seen from the character and line pitches of the double-width characters 30 and the double-width characters 31 as shown in the figure, these differ depending on the character type (size of the character).

Therefore, the cursor position when entering characters is
It is sufficient to sequentially update to the right according to the character pitch corresponding to the input character type. At this time, if it is determined that the cursor exceeds the page frame (right margin), the position is moved to the start position of the next line by the line pitch of the double-byte character (reference line pitch L ₀ ).

If the cursor is positioned at the beginning of a line and double-width characters are entered, for example, there will be no line spacing or the characters in the previous line will be erased. Must be changed.

Therefore, in the embodiment, when a character larger than the maximum character height in the target line (for example, a double-width character or a character that is 1.5 times the double-width character) is input, the line pitch L of the target line is calculated by the following formula. I decided to update.

L = difference between height of input character and reference character (full-width character) + reference line pitch In the case shown, L = ΔL + reference line pitch L ₀ .

In addition, for example, when the character string "whole meeting" in double-width in FIG. 3 is deleted, the row pitch L is changed to the reference row pitch. In this processing, when a deleted character string is received, the above-mentioned processing may be executed only when the maximum height in the line changes due to the character to be deleted.

<Description of Scrolling (FIGS. 4 to 9)> Next, scrolling of the document screen when a document is created by the above-described processing or during creation will be described.

Description of Upward Scroll (FIG. 4) FIG. 4A is a diagram showing the relationship between the document information 40 and the display screen 41.

Now, when the cursor 42 is at the position shown in the drawing (the bottom line of the display screen) and the user wants to look at the line below it, he / she operates the joystick 7a in that direction.

When detecting this operation, the CPU 1 first detects a line pitch based on the maximum width of the character string in the line to be displayed. Then, the entire screen is scrolled upward by the detected line pitch, and the character string of the line corresponding to the bottom line of the screen is expanded.

As a result, as shown in FIG. 4 (b), a line composed of a character string "whole meeting" with double-width characters and a double-byte character "ni ..." is displayed.

Description of downward scroll (FIG. 5) FIG. 5 is an example showing the relationship between the document information 50 and the display screen 51, and shows the case where the cursor 54 is at the uppermost position of the display screen. Further, here, the full-width character 52 and the vertical and horizontal double-width character 53 are shown in an enlarged manner to simplify the explanation.

Now, in this situation, if you operate the Joystick 7a to display the upper line off the screen,
CPU1 executes the following processing to realize the downward scroll.

That is, the line pitch L from the line with the cursor to the line above it is detected (maximum character height in the line at the cursor +
Then, the maximum character height "H" in the line to be displayed is detected.

Next, a value obtained by subtracting the maximum character height in the line on which the cursor is located from the obtained sum of "L" and "H" is set as the scroll amount.

By scrolling down based on the amount obtained as a result of this calculation, the display shown in FIG. 5 (b) becomes possible.

Description of Right Scroll (FIG. 6) Next, right scroll will be described.

Since the character types used in the embodiments have various sizes (the width is 1.3 times as wide as the full-width character, for example), the horizontal character pitch is different for each line unit (and each character). Therefore, for the right scroll, the right scroll is performed based on the character pitch of the character type that exists on the left side of the cursor (out of the display screen).

FIG. 6 is an example showing the relationship between the document information 60 and the display screen 61, and shows the case where the cursor 62 is at the leftmost position on the display screen.

At this time, if you want to display the character to the left of the position of the cursor 62 that is currently displayed,
Operate 7a based on its direction.

When detecting this operation, the CPU 1 first detects a character pitch based on the character type on the left side where the cursor 62 is located. Then, by scrolling the detected character pitch rightward, it is possible to obtain a display screen as shown in FIG. 6 (b).

Description of Left Scroll (FIG. 7) Next, left scroll will be described.

FIG. 7 is an example showing the relationship between the document information 70 and the display screen 71, and shows the case where the cursor 72 is at the rightmost position of the display screen.

Under these circumstances, when the joystick 7a is operated to display the right character off the screen, the CPU 1 executes the following processing to realize right scrolling.

That is, the character pitch L from the position where the cursor is located to the character to the right is detected (determined according to the type of character where the cursor is located), and the character width "W" on the right side to be displayed is detected. .

Next, the value obtained by subtracting the character width of the character where the cursor is from the calculated sum of "L" and "W" is set as the amount of left scrolling.

By scrolling to the left based on the calculated amount, the display shown in FIG. 7 (b) becomes possible.

Description of processing procedure (FIGS. 8 and 9) As an example of achieving the processing related to the movement of the cursor, the flow chart of FIG. 8 may be processed.

First, in step S80, it is determined whether or not there is an operation related to cursor movement. In this determination, if there is an operation other than cursor movement, for example, an operation of saving a document, the process proceeds to step S81, and the process based on the designated information is executed.

When it is determined that the operation based on the cursor movement is designated, the process branches to one of the processes based on the designated cursor movement (steps S86 to S89) in the determination in steps S82 to S85.

The processing procedure of the CPU 1 based on each cursor movement will be described below.

-1. Explanation of cursor movement (Fig. 9 (a)) Now, in the flow chart of Fig. 9 (a), first in step S91, it is determined whether or not the current cursor position is on the uppermost line of the display screen. to decide. If the result of this determination is that the position is other than that, the process moves to step S92, and the operation of moving the cursor to the character position in the line immediately before the cursor position at that time is executed.

If it is determined that the cursor is located at the top line of the screen, the process moves to step S93 to determine whether or not the line is the first line of the edited document. Since there is no document before the first line of the document being edited, when this determination result is "YES", nothing is executed and the flow chart of FIG. 8 is returned to.

If the cursor is at the top line of the display screen and it is determined that the line is an intermediate line in the edited document, steps S94 and subsequent steps are processed to execute the downward scroll display.

First, in step S94, the line pitch up to the upper line outside the screen is substituted into the variable A (provided in the memory 2), and in step S95 the maximum character height in the line outside the screen is changed into the variable B (variable). (Provided in the memory 2 similarly to A).
Next, in step S96, the contents of these variables A and B are added, and the value obtained by subtracting the maximum character height in the line on which the cursor is from that result is substituted into variable C (similar to variables A and B). The value of this variable C is the amount of downward scroll.

Now, when this scroll amount is obtained, this time the entire screen is scrolled downward (moved by "C" in the downward direction) (step S97), and the character pattern in the line corresponding to the top line of the display screen is expanded ( Step S98). Then step S
Press 99 to move the cursor to the top line of the display screen.

-2. Explanation of cursor down movement (Fig. 9 (b)) Now, in the flow chart of Fig. 9 (b), first in step S100, it is determined whether or not the current cursor position is at the bottom line of the display screen. to decide. If the result of this determination is that it is at a position other than that, the process moves to step S101, and the operation of moving the cursor to the character position in the line immediately after the cursor position at that time is executed.

If it is determined that the cursor is located at the bottom line of the screen, the process moves to step S102 to determine whether or not the line is the last line of the edited document. Since there is no document after the last line of the document being edited, when this determination result is "YES", nothing is executed and the flow chart of FIG. 8 is returned to.

If the cursor is at the bottom line of the display screen and it is determined that the line is an intermediate line in the edited document, the line pitch up to the next line is detected in step S103. As described above, this row pitch is a row pitch based on the maximum height of the character string group in the next row.

In the next step S104, the entire screen is scrolled down (moved upward by the obtained line pitch), and the character pattern in the line corresponding to the bottom line of the display screen is expanded (step S105). Then, in step S106, the cursor is moved to the bottom line of the display screen.

-3. Explanation of right movement of cursor (Fig. 9 (c)) Now, in the flow chart of Fig. 9 (c), first in step S110, it is determined whether or not the current cursor position is at the rightmost end of the display screen. to decide. If the result of this determination is that it is at a position other than that, the process moves to step S111, and the operation of moving the cursor to the character position to the right of the cursor position at that time is executed.

If it is determined that the cursor is located at the rightmost end of the screen, the process moves to step S112 to determine whether or not the cursor is located at the rightmost end (right margin) of the edited document. When it is determined that the cursor is at the rightmost position of the document being edited, there is no character at least to the right of that position, so nothing is executed and the process returns to the flowchart of FIG.

If the cursor is located at the right end of the display screen and it is determined that the cursor position is in the middle of the edited document, steps S113 onward are processed to execute the left scroll display.

First, in step S113, the character pitch up to the character outside the screen is substituted into the variable A, and in step S114 the character width of the character outside the screen is substituted into the variable B. Next, in step S115, the contents of these variables A and B are added, and the value obtained by subtracting the character width at which the cursor is located from that result is assigned to variable C. The value of this variable C is the left scroll amount.

Now, when this scroll amount is obtained, this time the entire screen is scrolled to the left (moved to the left by "C") (step S116), and at the rightmost end of the display screen, a column containing at least the entire pattern of the target character Display (step S117). Then, in step S118, the cursor is moved to the focused character position displayed on the rightmost end of the display screen.

-4. Explanation of cursor left movement (Fig. 9 (d)) Now, in the flow chart of Fig. 9 (d), first in step S120, it is determined whether or not the current cursor position is at the leftmost end of the display screen. to decide. If the result of this determination is that it is at a position other than that, the process moves to step S121, and the operation of moving the cursor at that time to the character on the left is executed.

If it is determined that the cursor is located at the bottom line of the screen, the process moves to step S122 to determine whether the cursor is at the beginning of the line of the edited document. If there is a cursor at the beginning of the line, at least the character to the left of the cursor does not exist, so nothing is executed and the flow chart returns to FIG.

If the cursor is at the leftmost position on the display screen and it is determined that the character is in the middle of the edited document, step S1
At 23, the character pitch based on the character type to the left of the cursor is detected.

In the next step S124, the entire screen is scrolled to the right (moved to the right by the obtained character pitch), and a column including at least all patterns of the target character is displayed at the leftmost position of the display screen (step S125). . Then step S126
Use to move the cursor to the target character position displayed on the leftmost side of the display screen.

As described above, according to the present embodiment, it is possible to scroll the display screen to display the entire line or the character based on the size of the character, and the operability is significantly improved.

In the embodiment, the cursor is moved by using the joystick provided on the keyboard, but the invention is not limited to this. This is because, for example, the above-mentioned effects can be achieved by operating the keys for moving the cursor provided on the keyboard.

Further, although the embodiment has been described with respect to the case where a large number of characters are present, the present embodiment is directly performed even when the editing process is performed only with the vertical or (and) double-width characters based on the double-byte character as in the conventional case. It is possible to apply the principles of the example.

[Effects of the Invention] As described above, according to the present invention, since scroll display is performed based on the size of a character, it is possible to display a document without a sense of discomfort.

[Brief description of drawings]

FIG. 1 is a block diagram of the document processing apparatus of the embodiment, FIGS. 2A and 2B are flow charts for explaining the outline of processing of the document processing apparatus of the embodiment, and FIG. FIGS. 4 (a) and 4 (b) are diagrams for explaining the upward scroll of the embodiment, and FIGS. 5 (a) and 5 (b) are diagrams for explaining the setting of the expansion positions of the character symbols. FIGS. 6 (a) and 6 (b) are diagrams for explaining the right scroll of the embodiment, and FIGS. 7 (a) and 7 (b) are diagrams for explaining the left scroll of the embodiment. FIG. 8 is a flow chart for explaining a main processing procedure relating to cursor control in the embodiment, and FIGS. 9A to 9D are flow charts relating to respective movement directions based on cursor movement. FIG. 10 is a diagram for explaining conventional scroll processing. In the figure, 1 ... CPU, 2 ... memory, 2a ... program area, 2b ... document area, 3 ... VRAM, 4 ... CRT, 5
...... Character pattern generator, 6 ... Touch panel, 7 ...
Keyboard, 7a ... Joystick, 8 ... External storage section, 9 ... Printing section.

Claims (3)

[Claims] 1. A document processing device for displaying a document on a display screen for editing or creating, and a position designating unit for designating at least a position of a desired character displayed on the display screen, and the position designating unit. When a character exceeding the upper or lower frame of the display screen is specified by, scroll means for scrolling the document information in one direction by a movement amount based on the height of the character in the line including the specified character is provided. A document processing device characterized by the above. 2. A document processing apparatus for displaying or editing or creating a document on a display screen, comprising at least position specifying means for specifying the position of a desired character displayed on the display screen, and the position specifying means. When a character exceeding the left or right frame of the display screen is specified by, scroll means for scrolling the display screen to the left or right with a movement amount based on the width of the specified character is provided. Document processing device. 3. A document stored in a storage means is displayed on a display screen, and when display of a character at a position beyond the upper or lower frame on the display screen is designated, a line in the line containing the designated character is displayed. A document processing method characterized in that a document is scrolled up or down by a movement amount based on the height of a character.