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Contents
1. CURSOR ADORESS IN MEMORY SEARCHED REFORM ENTIRE DATA BETWEEN REFORM START ADDRESS AND ORM END ADORESS OF REFORMED DATA SCREEN MAY SCROLL POSITION CURSR WORD SCREE ra AND REF Y PRIOR BENNAG SPONDING 55 Petts REFORMED DATA 4 425 629 4 513 391 4 587 631 1 1984 Cason et 364 900 4 1985 Maddock 5 1986 Nielsen 4 812 966 3 1989 Takagi et al 4 831 583 5 1989 Pascoe FOREIGN PATENT DOCUMENTS 0165442 5 1985 European Pat Off OTHER PUBLICATIONS Microsoft Word 3 0 User Manual pp 21 24 60 61 1986 Dickinson Microsoft Word 3 0 gets better in most every way PC Magazine vol 5 issue 10 p 52 May 27 1986 Robinson It s a bird it s a plane Creative Comput ing vol 9 Feb 1983 pp 63 65 IBM Technical Disclosure Bulletin vol 26 No 4 Sep 1983 Primary Examiner Thomas C Lee Assistant Examiner Paui Harrity Attorney Agent or Firm Kane Dalsimer Sullivan Kurucz Levy Eisele and Richard 57 ABSTRACT A word processor for setting a format of a text having a format controller for controlling a newly set format to be effective from the beginning of a character data group to which the position where the format setting operation is carried out belongs and a reformatter for reforming at least the character data group based upon the ne2. 5 is an illustrative view of the CRT screen dis play before reforming and FIG 6 is a view similar to FIG 5 showing the CRT screen display after reforming DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the invention is now described with reference to the accompanying draw ings FIG 1 is a perspective external view of the word processor 1 which comprises a keyboard 2 to be oper ated when setting various modes and inputting charac ter data a display section 3 provided with a CRT for display of the characters and symbols input through the keyboard 2 and stored in a memory device installed in the word processor 1 and printer section 4 for printing out the characters and the like stored in the memory device FIG 2 is a plan view showing the detail of the key board 2 with a layout of various function keys and char acter keys The keys 2A 2B 2C 2D 2E 2F 2G 2H 21 2J 2K 21 and 2M shown here will be described later in detail FIG 3 shows a block diagram of the electrical circuit of the word processor 1 As shown in FIG 3 the func tion keys on the keyboard 2 are connected to the func tion key input section 11 and the character keys to the key input section 12 The function key input section 11 and the key input section 12 serve as interface between the function and character keys and a host computer 13 Connected to the host computer 13 via bus line BUS1 are a read only memory ROM 14 and a random
3. MAY SCROLL CURSOR MOVED TO SCREEN POSITION LF SETTING MODE CORRESPONDING TO ADDRESS AX FROM TERMINATED BEGINNING OF REFORMED DATA AND RELEASED FROM LOCK 550 55 Sheet 6 of 7 5 287 538 Feb 15 1994 U S Patent 913 uaasos in 51 2010 2 08 9 04 500 2 0 adk 5 2 200 SIDP 5502 fr saanjoe4 Sheet 7 of 7 5 287 538 Feb 15 1994 U S Patent 9 uaaios IIn Jad 5 2 08 9 wos 0 0 suazog 210 p gt sa 1n da 4 4 5 287 538 1 WORD PROCESSOR FOR REFORMATTING CHARACTER GROUP BY LOCATING LINE FEED CODES AND SELECTING THE BEGINNING AND END OF THE TEXT WHEN THE LINE FEED CODES CANNOT BE LOCATED This is a continuation of copending application Ser No 07 614 013 filed on Nov 14 1990 now abandoned which is a continuation of copening application Ser No 07 073 729 filed on Jul 15 1987 now abandoned BACKGROUND OF THE INVENTION This invention relates to a word processor and more particularly to a format setter thereof for changing format during text editing In this specification editing includes text creation In conventional word processors the change
4. Sheet 4 of 7 5 287 538 FIG 48 517 DECIMAL TAB SET Y DISPLAYED AT SCALE CURSOR POSITION 519 HOT ZONE AND MARK HZ DISPLAYED AT SCALE CURSOR POSITION 521 LINE SPACING CHANGED LED INDICATOR CHANGED 523 PITCH AND LED INDICATOR CHANGED SCALE LINE CHANGED ACCORDING TO PITCH 25 TAB OR DECIMAL i CLEARED OR lt i Da POSITION DELETED S28 TAB OR DECIMAL pee price TAB SET ALL CLEARED LE ALL DELETED 530 9 SET VALUES IN LF SET 53 LF INFORMATION SAVED O BEFORE RETURNED TEXT CURSOR RELEASED 532 LF SETTING MODE TERMINATED S33 U S Patent Feb 15 1994 Sheet 5 of 7 5 287 538 FIG 4 2 SET VALUES IN LF MODE gt N MADE VALID AND REGISTERED LINE FEED CODE PRIOR TEXT S36 CURSOR ADDRESS IN MEMORY SEARCHED S37 CINE FEEDCODE DiS COVERED SEARCHED TO P OF TEXT SEARCH 54 Y CONTINUED SAVE BEGINNING OF LINE NEXT TO LINE WHERE LINE FEED CODE EXISTS AS REFORM START ADDRESS SAVE ADDRESS AX BETWEEN REFORM 540 START ADDRESS AND TEXT CURSOR ADDRESS S42 SEACH LINE FORM SET CODE POSTERIOR S43 TO TEXT CURSOR ADDRESS SAVE TEXT TOP AS REFORM START ADDRESS S44 REFORM ENTIRE DATA BETWEEN REFORM S47 TART ADDRESS AND REFORM END PRIOR BEGINNING 549 OF REFORMED DATA SCREEN
5. character codes 15 10 be inputted an improvement which comprises that said process ing device is provided with format setting means for setting a text format search means coupled to said designating means and said memory means for searching for the beginning and end of a character data group of said text hav ing at least two lines based upon the position desig nated by said designating means said character data group being defined between first and second line feed codes said search means searches backward from the desig nated position to the beginning of the text to locate said first line feed code if said line feed code is located selecting the beginning of the next line following said first line feed code as the beginning of said character data group and if said first line feed code is not located selecting the beginning of the text as the beginning of said character data group said search means further searches forward from the designated position to the end of the text to locate said second line feed code if said second line feed code is located selecting the end of the line preced ing said second line feed code as the end of said character data group and if said second line feed code is not found selecting the end of the text as the end of said character data group and reforming means for reforming at least said character data group of said text displayed on said display means in accordance with a newly set text for
6. through C The operation of the preferred embodiment is now described with reference to the flow chart of FIGS 4 through and the illustrative views of the CRT screen on the display section 3 shown in FIGS 5 and 6 wherein FIG 5 shows the CRT screen before changing the line form setting as described below and FIG 6 shows that after changing the line form setting In the word processor 1 the host computer 13 per forms key scanning during text editing as indicated in the Step 51 hereinafter referred to simply as 51 544 It examines in 52 whether the page key format change key 2A on the keyboard 2 has been depressed down and if it determines the page key 2A is not down processing takes place for other keys in S3 If on the other hand the page key 2 is found to be down the text cursor 3A on the CRT screen of display section 3 is brought to standstill in S4 as shown in FIG 5 Next in S5 the text cursor address in the RAM 19 is saved while further saving in S6 the current line format infor mation such as left margin LM right margin RM scale cursor 3B hot zone HZ scale line 3C and format set ting code 3E Control of the line form setting mode is now started in 57 The host computer 13 performs key scanning in S8 to check if the following keys have been depressed When detecting a key depressed a corre sponding processing for the key depressed is accom plished then returning to S8 When the right or left curs
7. United States Patent Kawakami et al AAA US005287538A Patent Number 45 Date of Patent 5 287 538 Feb 15 1994 54 WORD PROCESSOR FOR REFORMATTING A CHARACTER GROUP BY LOCATING LINE FEED CODES AND SELECTING THE BEGINNING AND END OF THE TEXT WHEN THE LINE FEED CODES CANNOT BE LOCATED 75 Inventors Yasushi Kawakami Nagoya Fukue Obata Yokkaichi Kayoko Makihara Kamagori all of Japan Brother Kogyo Kabushiki Kaisha Aichi 21 Appl No 989 957 22 Filed Dec 10 1992 73 Assignee Related U S Application Data 63 Continuation of Ser No 614 013 Nov 14 1990 aban doned which is a continuation of Ser No 73 729 Jul 15 1987 abandoned 30 Foreign Application Priority Data Jul 15 1986 JP Japan 61 165773 51 Int 06 15 20 52 395 800 395 144 395 145 395 146 395 148 364 419 13 364 225 6 364 225 8 364 943 364 943 43 364 943 44 364 016 2 400 63 400 76 400 83 58 Field of Search 395 375 800 144 145 395 146 148 364 419 400 63 76 83 340 709 711 56 References Cited U S PATENT DOCUMENTS 3 872 460 3 1975 Fredrickson et al 340 789 X 4 056 821 11 1977 Vittorelli 395 117 4 125 868 11 1978 Hruby et al 395 100 4 240 758 12 1980 Acosta 400 279 RELEASED FROM LOCK LINE FEEO CODE PRIOR TO
8. access memory RAM 15 The general control program for the word processor 1 is stored in the ROM 14 while the RAM 15 contains therein the function data and character data given by operating the keyboard 2 The host computer 13 is connected to a CRT control computer 17 to control the display CRT 3 through the interface circuit 16 Connected to the CRT control computer 17 via bus line BUS2 are a ROM 18 and RAM 19 and also a CRT controller 20 The ROM 18 stores therein the control program for controlling the CRT 3 The RAM 19 temporarily stores a variety of data for controlling the CRT 3 and is provided with a cursor current position memory 100 to keep the current posi tion of the cursor in memory and a format area memory 102 which keeps the range of the format area in mem ory The CRT controller 20 is connected at its output to a character attribute CARAM 21 which keeps in memory such attribute data as characters underline and boldface There is further provided a signal composition circuit 23 with which in response to the output command from the CRT controller 20 the data read from the CARAM 21 and the data read from the character generator read 5 287 538 3 only memory CGROM 22 are composed to output the display data onto the display 3 In the word processor 1 equipped with the electric circuit blocks as described above the processing takes place as shown in the flow chart of FIGS 4 A
9. acter data and function data a display device for displaying the input character data on a screen and a processing device for preparing a docu ment based upon the input data and displaying it on said display device the improvement which comprises in that said processing device is provided with format setter for setting a format of a text format controller for controlling newly set format to be effective from the beginning of a character data group to which the posi tion where the format set operation is carried out be tongs and a reformer for reforming at least said charac ter data group based upon newly set format With the word processor as above constructed when the format is set at an arbitrary position within the text by operating to enable the newly set format from the beginning of the character data group in which the above arbitrary position exists and at least the whole character data from the beginning of the group is then automatically reformed according to the newly set for mat 25 45 50 55 65 2 BRIEF DESCRIPTION OF THE ACCOMPANYING DRAWINGS FIG 1 is a perspective external view of the word processor embodying the invention FIG 2 is a plan view of the keyboard section of the word processor shown in FIG 1 FIG 3 is a block diagram of the electric circuit in stalled within the word processor shown in FIG 1 FIG 4 B and 4 C are flow charts showing the process for format change FIG
10. end address in S48 S49 then processes to reform entire data between the reform start address and the reform end address with displaying the line form set mark 3E as shown in FIG 6 prior prior to the beginning of reformed data There after the text cursor 3A is moved from its locked posi tion to the screen display position in 550 corresponding to the member of addresses AX saved in the above S42 from the beginning of the reformed data The line form setting mode is thus terminated in 551 returning to 51 According to the above constructed word processor therefore the cursor need not be moved to the position at which the change of the format should start and instead the format setting operation can take place at any desired position of character data group to which the position where format change operation is carried out exists This provides an easy operation and smooth re start of text editing What is claimed is 1 In a word processor comprising a keyboard for inputting character codes function codes and text for 5 287 538 5 mat codes display device for displaying at least the input character codes on a screen memory means for storing said input character codes a processing device for preparing a text with a plurality of lines comprising the input codes stored in said memory means and dis playing the text on said display device and designating means for designating a position on said screen at which one of said
11. f the text to locate said second line feed code if said second line feed code is located selecting the end of the line preced ing said second line feed code as the end of said character data group and if said second line feed code is not found selecting the end of the text as the end of said character data group and changing means for changing the text format of said character data group in accordance with a newly set text format set by the format setting means
12. for inputting character codes function codes and text for mat codes a display device for displaying at least the input character codes on a screen memory means for storing said input character codes a processing device for preparing a text with a plurality of lines comprising the input codes stored in said memory means and dis playing the text on said display device and designating means for designating a position on said screen at which one of said character codes is to be inputted an improvement which comprises that said process ing device is provided with format setting means for setting a text format search means coupled to said designating means and said memory means for searching for the beginning and end of a character data group of said text hav ing at least two lines based upon the position desig nated by said designating means said character data group being defined between a first and a second line feed codes said search means searches backward from the desig nated position to the beginning of the text to locate said first line feed code if said first line feed code is located selecting the beginning of the next line following said first line feed code as the beginning of said character data group and if said first line feed code is not located selecting the beginning of the text as the beginning of said character data group said search means further searches forward from the designated position to the end o
13. mat set by the format setting means without requiring a repositioning of said designate means 2 The word processor according to claim 1 wherein said designating means comprises a text cursor and wherein said keyboard is provided with a format change key for instructing a format change of the char acter data group which includes the current position of the text cursor 3 The word processor according to claim 2 wherein said processing device further comprises means for saving number of addresses between reform start ad dress and text cursor address with said format change key depressed while bringing said text cursor to stand still and means for moving said text cursor to the screen 30 55 65 6 position corresponding to said saved number of dresses from the beginning of reformed data 4 The word processor according to claim 2 wherein said keyboard is further provided with a cancel key for cancelling the instruction for changing the format and said processing device further comprises means for saving a current format data with said format change key depressed and means for restoring said saved for mat data when said cancel key is depressed 5 The word processor according to claim 1 wherein said processing device further comprises means for displaying a special code mark on said display device at the beginning of said character data group searched by said searching means 6 In a word processor comprising a keyboard
14. mines whether the line feed code has been discovered If S37 determines the line feed code the line feed mark 3D is not discovered 538 examines if the search has reached the top of text If the top of text is not reached according 538 the search goes on as indicated in 539 and returns to 537 When on the contrary the top of text is reached according to 538 the text top address is saved as a reform start address in S40 On the other hand when the line feed code is found in 37 the beginning of the line next to the line where the line feed code exists is saved as a reform start address in 541 Then the number of addresses AX between the reform starting address and the text cursor address is saved in 42 S43 then processes to reach the line form set code posterior to the text cursor address a line form set mark in FIG 5 on the RAM 19 and S44 examines whether the line form set code has been discovered If 544 determines the line form set code is not discovered S45 examines if the search has reached to the end of text If the end of text is not reached according to S45 the search goes on as indicated in S46 and returns to 544 When the contrary the end of text is reached according to S45 the text end address is saved as a reform end address 546 On the other hand when the line format set code is formed in S44 the end of the line prior to the line where when the line form set code exists is saved as the reform
15. of the format during editing a text or so on the word processor has been accomplished in a manner that after moving the cursor to the position at which the change should start change start position the format setting mode is entered to change the format then the mode is escaped so that the character data following the cursor position is reformed according to the newly set format With the above prior word processors for changing the format during editing operation it has been neces sary to first move the cursor to the change start posi tion then entering the format setting mode Also when the format set mode is escaped after setting the new format reforming operation takes place according to the new format however the cursor remains positioned at the beginning of the reformed character data group so that the cursor has to be moved to the edit re start position resulting in an unsmooth restart of text editing operation SUMMARY OF THE INVENTION It is therefore an object of the invention to provide an improved word processor in which the cursor need not be moved to the position at which the change of the format should start and instead the format change can take place from the beginning of character data group when the format change operation is carried out at any desired position existing within the group For this purpose according to this invention there is provided a word processor comprising a keyboard for inputting char
16. of the keyboard 2 De tecting the pitch key 2J to be down in S23 causes changes in pitch LED indication and scale line 3C on the display section 3 When the tab clear key 2K is found to be down in 525 526 is processed to determine whether the tab is placed at the position of the scale cursor 3B where the tab clear key 2K has been de pressed and if the scale cursor position is found to 0 0 40 50 60 65 4 coincide with the tab position the tab is cleared to delete the tab mark or the decimal tab mark The 58 resumes if the scale cursor position does not coincide the tab position If the tab all clear key 2L is found to be down in 528 all the tabs and decimal tabs currently set are cleared as indicated in S29 also deleting the tab mark and decimal tab mark When the escape ESC key 2 is found to be down in S30 the set values in the line form setting mode are canceled as indicated in S31 to call back the line format information saved in 56 532 releases the text cursor from its locked state and S33 terminates the line form setting mode to return to S1 When the aforementioned page key 2A is found in 534 to have been depressed again after depressing in 52 as mentioned above the set values in the current line form setting mode are registered as valid as indicated in 35 S36 then processes to search the line feed cods prior to the text cursor address a line feed mark 3D in FIG 5 on the 19 537 exa
17. or move key 2G or 2H are detected to be down in 59 the scale cursor 3B shown in FIG 5 is moved to the position shown in FIG 6 in S10 and the column indicator COL not shown is changed accordingly When the left margin LM set key 2B is found to be down as indicated in S11 the left margin LM is set in 512 to move the left margin LM to the position of the scale cursor 3B with the left margin LM mark displayed on the display section 3 and the col umn indicator not shown changed to 1 When the right margin RM set key 2C is depressed as in 514 the right margin RM is set in S4 on the display section 3 as indicated in FIG 6 to move the right mar gin RM to the position of the scale cursor 3B with the right margin RM mark lt 4 displayed the display section 3 When the tab set key 2D is found to be down is 15 the tab is set as indicated in S16 to display the tab mark W not shown at the position of the scale cursor 3B When the decimal tab set key 2E is found to be down in 517 the decimal tab is set as indicated in 518 to display the decimal tab mark V not shown at the posi tion of the scale cursor 3B When the hot zone HZ set key 2F is found to be down in 519 the hot zone is set as indicated in 520 to display the hot zone mark HZ at the position of the scale cursor 3B When the line space key 21 is found to be down in 521 the line spacing is changed as indicated in 522 to change the indication of the LED light emitting diode
18. wly set format The word processor searches backward and forward in the text for locating line feed codes designating the beginning and end of the charac ter data group respectively and selects the beginning and end of the text when the line feed codes could not be located 6 Claims 7 Drawing Sheets SAVE TEXT TOP 5 REFORM START ADDRESS U S Patent Feb 15 1994 Sheet 1 of 7 5 287 538 FIG jE Wd U S Patent Feb 15 1994 Sheet 2 of 7 5 287 538 BUS2 fe 3 19 CURSOR POSITION SIGNAL 22 CONTROLER SERA COMPOSITION INTERFACE FACE CIRCUIT 6 14 INPUT SECTION HOST KEY INPUT CPU SECTION U S Patent Feb 15 1994 Sheet 3 of 7 5 287 538 FIG 4A 51 52 PROCESSING FOR TEXT CURSOR OTHER KEYS cee iene LOCKED TEXT CURSOR 55 ADDRESS MEMORY SAVED CURRENT LF _ 56 INFORMATION SAVED LF SETTING 57 MODE ENTERED 58 5 59 SCALE CURSOR MOVED Ee COL INDICATION CHANGED CURSOR MOVE KEY LEFT MARGIN SET MARK MOVED TO SCALE CURSOR POSITION COL CHANGED TO 1 RIGHT MARGIN SET MARK 4 MOVED TO SCALE CURSOR POSITION S15 SET MARK DISPLAYED AT SCALE CURSOR POSITION 16 U S Patent Feb 15 1994
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