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BILLDOWS
Joined: 22 Jul 2005 Posts: 86 Location: Swansea, UK
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Posted: Tue Jul 26, 2005 4:47 am Post subject: %eb and highlighting text |
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I use %eb to display a read-only file and use FIND_EDIT_STRING to locate the text, and highlight the line containing a user provided search string. If the string is there multiple times then on each occasion when the user activates 'Find' I simply advance to the line following the previous entry and perform the FIND_EDIT_STRING again. Works fine.
However (typically) it has been suggested that when FIND is carried out then immediately each line containing the given text should be highlighted / coloured in some way - rather than one at a time.
If I firstly scanned the whole file for the matches with the given string, stored the line numbers and then used %tc to colour lines in some way would this allow multiple lines in the file to be coloured?
Many Thanks
Bill
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PaulLaidler Site Admin
Joined: 21 Feb 2005 Posts: 7925 Location: Salford, UK
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Posted: Wed Jul 27, 2005 1:14 am Post subject: %eb and highlighting text |
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Yes you can do this but the coding is not trivial.
You need to get an address from the edit_info array and then use CORE4 as illustrated in the following code....
WINAPP
c------------------------------------------------------
INTEGER i,edit_inf(24),winio@
COMMON edit_inf
EXTERNAL eb_cb
i=winio@('%`^40.10eb[user_colours,extended]','*',0,edit_inf,eb_cb)
END
c-------------------------------------------------------
INTEGER FUNCTION eb_cb()
INCLUDE <windows.ins>
INTEGER edit_inf(24)
COMMON edit_inf
IF(edit_inf(15).gt.0)THEN
c Make first character on the line red
core4(edit_inf(17))=RGB@(255,0,0)
c Make the last character on the line blue
core4(edit_inf(17)+4*(edit_inf(15)-1))=RGB@(0,0,255)
ENDIF
eb_cb=0
END |
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