lb5 Editor (Linux) 347 through 349

[metro]

If I copy code from this forum using the "Copy Code" link at the top of any  displayed code

I can paste it into the Libertybasic(5) editor Windows version without issue, this is the Windows version running in Wine.

However the same cannot be done on my Mint Linux(64) System (using the lb5(linux) verson)

I need to paste it to a Linux editor then copy it again from that editor

and it will paste into the Lb5(Linux) editor

Clear as mud yeah

[metro]

Must be just my system then!

[Chris Iverson]

No, I see it too, but inconsistently. For a while, I had it working with the "Copy Code" link, but I'm not sure how it was, and it stopped working after a few tests.

I suspect there's some kind of difference in how Firefox and something like gedit advertise and manipulate clipboard contents, that the VisualWorks Smalltalk engine is interpreting differently. I don't know enough about how X applications work to be sure, though.

[metro]

Apr 15, 2019 18:04:47 GMT -5 Chris Iverson said:

No, I see it too, but inconsistently. For a while, I had it working with the "Copy Code" link, but I'm not sure how it was, and it stopped working after a few tests.

I suspect there's some kind of difference in how Firefox and something like gedit advertise and manipulate clipboard contents, that the VisualWorks Smalltalk engine is interpreting differently. I don't know enough about how X applications work to be sure, though.

Thanks Chris,

since my last post I have typed code into lb5-349 (Windows via Wine) then Edit Copy All

paste that code into the lb5-349(Linux) editor and what is posted is the contents of the previous Copy to clipboard

that begs the question does the VM for VisualWorks Smalltalk (Linux) and  (windows) look in a different place for clipboard contents

******pause .... a slight digression before completing the post ***************

I thought I would google it

unix.stackexchange.com/questions/420386/where-is-clipboard-location

EDIT: I guess we are now aware that is happening , I now agree with you Chris that it is intermittent

BUT the source of the problem is the "Copy Code" link

I've just re-tested what I did earlier and Copy-Paste works as it should between the two versions of lb5

BUT then after using the "Copy Code" link on this forum I'm back to having the problem.

If I highlight code from the forum using the mouse then Ctrl C  I do not have the problem.

I will now avoid the"Copy Code" link

You seem to be lacking an understanding of clipboards in linux. There are 3 usually available to users.

These clipboards are called "Selections"

There is:

PRIMARY - This is normally used for middle mouse button = copy/paste
SECONDARY - Normally not used by much, but it exists. Usually as an in app specific copy and paste.
CLIPBOARD - Usually ctrl+c and ctrl+v style copy and paste.

All of them are stored, by default in memory of the controlling application (usually Xorg, but not always). And every child application has access to it.

Clipboard monitors and managers exist that can monitor the clipboards and store their contents in a file, or more commonly, let you review your clipboard history.

for the more savvy (not me) unix.stackexchange.com/questions/163081/application-that-allows-to-show-clipboard-contents-and-its-mime-type

[Carl Gundel]

Without claiming to be an expert in Linux clipboard but my understanding is that not all versions of Linux treat the clipboard the same way, and so writing software that treats the clipboard consistently between distros can be tricky.

If on the other hand you are seeing different behavior between LB5 builds on the same version of Linux, some way to demonstrate this would be great.

[metro]

Apr 19, 2019 9:54:01 GMT -5 Carl Gundel said:

Without claiming to be an expert in Linux clipboard but my understanding is that not all versions of Linux treat the clipboard the same way, and so writing software that treats the clipboard consistently between distros can be tricky.

If on the other hand you are seeing different behavior between LB5 builds on the same version of Linux, some way to demonstrate this would be great.

Certainly no expert this end (can't even master the Queens english)

My take would be there are many clipboard "managers"  but the methodology would be unix (linux)

specific ie handled the same way.(mind you been wrong many times in the past.)

So this is what is happening for me with Mint Linux v19  Tara (64) latest Firefox

Copy some random text from the internet, iused bunnings pine , highlight and copy

paste it into any build of lb5(Linux)

Then goto a post on this forum say....http://libertybasiccom.proboards.com/thread/592/qr-code

and copy Johns code using the"copy code" link

Paste that into all linux builds of lb5(Linux) and you will get "bunnings pine"

BUT past into lb5(Windows_in_Wine) and or a text editor on your system

and you will get Johns code

I then installed xclip

 sudo apt install xclip

ran this

xclip -selection clipboard blank
From then on lb5(Windos_Wine) and my linux editor would paste nothing (blank)

BUT lb5(Linux) all builds paste "bunnings pine"

I will spend some time trying to find out why

EDIT: close down Firefox, re-start then copy johns code it will paste into lb5(linux) all builds correctly

I don't understand enough to know if Firefox is to blame.

EDIT search for Firefox won't copy paste, seems it could be the issue

strange though if I avoid the copy paste link and only highlight / copy it works fine

[metro]

Just a followup
I copied Johns code again then ran
xclip -o -t TARGETS
results below

The second run of the above script was after I copied the contents from lb5(linux) build 348

which was "bunnings pine"

EDIT : Sorry to have wasted everyone's time with this
I now believe it is a Firefox issue
I installed Chromium and could not duplicate the problem.

'FIRST after copy of Johns code      laurie@Dell:~$ xclip -o -t TARGETS
TIMESTAMP
TARGETS
MULTIPLE
text/html
text/_moz_htmlcontext
text/_moz_htmlinfo
UTF8_STRING
COMPOUND_TEXT
TEXT
STRING
text/plain;charset=utf-8
text/plain
text/x-moz-url-priv

'SECOND RUN from lb5(Linux)  edit lb5(WindowsWine) shows the same result (not plain text)
laurie@Dell:~$ xclip -o -t TARGETS
i�
�
�
jklmn�


'THIRD xed (editor)
laurie@Dell:~$ xclip -o -t TARGETS
TIMESTAMP
TARGETS
MULTIPLE
GTK_TEXT_BUFFER_CONTENTS
application/x-gtk-text-buffer-rich-text
UTF8_STRING
COMPOUND_TEXT
TEXT
STRING
text/plain;charset=utf-8
text/plain
laurie@Dell:~$

[metro]

At the risk of confirming I'm a complete moron
It would appear this issue is not resolved (for me) as no one else seems to be having issues  it could just be my system.
or ... I'm the only one currently using copy and paste between LB versions

When using LB4.5
The code below generates variables for the contents of textboxes (when Create Button is pressed)
then I Copy to Clipboard. If I paste this into lb5(Windows Wine) I get the correct result

If I paste into lb5(Linux) I get what ever I have previously Copied. (as explained in my previous posts)

I have even closed lb5-349 and re-started only to find that the copy before last is still the one pasted into the lb5-349 IDE editor

specifications.freedesktop.org/clipboards-spec/clipboards-latest.txt

'global linedat$'

[setup.main.Window]

   '-----Begin code for #main

 nomainwin
   WindowWidth = 550
   WindowHeight = 410
   UpperLeftX=int((DisplayWidth-WindowWidth)/2)
   UpperLeftY=int((DisplayHeight-WindowHeight)/2)


   '-----Begin GUI objects code

   TexteditorColor$ = "white"
   texteditor #main.te2,  75, 132, 375, 110
   texteditor #main.te1,  80,  10, 375, 110
   button #main.button1,"  Create   ",[button1Click], UL,   25,  55,  50,  25
   button #main.button2,"Copy 2 Clipboard",[button2Click], UL, 140, 262, 114,  25
   menu #main, "Edit"  ' <-- Texteditor menu.
   '-----End menu code

   open "untitled" for window as #main
   print #main, "font ms_sans_serif 10"
   print #main, "trapclose [quit.main]"

[main.inputLoop]   'wait here for input event
   #main.te1,"!cls" ;
 #main.te1,"textbox #dpndt.tbFirstName,  450, 50, 100,  20"
  #main.te1,"textbox #dpndt.tbSecondName,  450, 75, 180,  20"
    #main.te1,"textbox #dpndt.tbSurnameName,  450, 100, 180,  20"

   wait

[button1Click]   'Perform action for the button named 'button3'
   #main.te1 , "!lines n" ;

   for n=1 to n
   #main.te1, "!line  ";  n ;"  linedat$"
   if linedat$ <> "" then
  call  CreateFields$ linedat$
   end if
   next n
   wait

[button2Click]   'Perform action for the button named 'button4'
#main.te2, "!selectall"
#main.te2,"!copy"
   wait

[quit.main] 'End the program
   close #main
   end

sub CreateFields$ linedat$
hndlename$=upto$(linedat$,",")
hndlname$= AFTER$(hndlename$ ,"textbox")
'hndl$=upto$(fldname$,".")
fldname$=after$(hndlname$,".")
final$=hndlname$+", "+chr$(34)+"!contents?  "+fldname$+"$"+chr$(34)
  #main.te2, final$
end sub