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    Replace current line without inserting a new line

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    • Scott Sumner
      Scott Sumner @Yaron last edited by

      @Yaron

      I guess I misunderstood the requirements, but hopefully it got you farther along in what you’re doing. You can do an editor.addText(‘\r\n’) [if using Windows file format] after the paste, but then there is the question of where do you want your caret to end up, which I don’t know.

      Here’s a semi-related problem I haven’t been able to solve well: You can’t tell what is in the clipboard before you paste it. So, perhaps there is a line-ending at the end of it, perhaps not. You have to paste it and then you can find out by what ends up in your document and maybe delete (programmatically) what you don’t want, but you have to figure out how long the pasted text was, etc,. and it is all just seemingly over-complicated. There should be .getClipboardText() and .setClipboardText(txt) functions…which would make life easier.

      Happy Scripting!

      1 Reply Last reply Reply Quote 0
      • Yaron
        Yaron last edited by

        Hello Scott,

        You can’t tell what is in the clipboard before you paste it.

        This confirmation is important.
        Indeed, the easiest way would be checking for an EOL in the clipboard content.
        (Actually it would be better to make sure it’s text but I wanted a simple practical solution.
        And there’s Undo as well…).

        You’ve been helpful. Thanks again.

        Best regards.

        1 Reply Last reply Reply Quote 0
        • Yaron
          Yaron last edited by

          Slightly better. :)

          oldLine = editor.lineFromPosition(editor.getCurrentPos())
          
          editor.beginUndoAction()
          
          editor.lineEnd()
          editor.homeExtend()
          
          editor.paste()
          
          newPos = editor.getCurrentPos()
          
          if oldLine != editor.lineFromPosition(newPos) and editor.getColumn(newPos) == 0:
          	editor.lineUp()
          	editor.lineEnd()	# Always position the carret at the end of the pasted string.
          	notepad.menuCommand(MENUCOMMAND.EDIT_DELETE)	# Remove inserted new line even if the replaced line is last in the file.
          
          editor.endUndoAction()
          
          Claudia Frank 1 Reply Last reply Reply Quote 0
          • Claudia Frank
            Claudia Frank @Yaron last edited by

            Yaron, are you sure your logic is correct?

            if oldLine != editor.lineFromPosition(newPos) and editor.getColumn(newPos) == 0:
            

            You compare a number against boolean result.
            If there is a need to check if the clipboard has text and an eol added you might think of
            using ctypes and openclipboard api function. But don’t know if this isn’t overkill.

            Scott, curious, what does this mean?

            We’re not playing Golf here
            

            Thanks and cheers
            Claudia

            Scott Sumner 1 Reply Last reply Reply Quote 0
            • Scott Sumner
              Scott Sumner @Claudia Frank last edited by

              @Claudia-Frank ,

              My reference to “golf” was because my reply to Yaron (which apparently wasn’t quite what he needed) was a very short one-liner…“golf” is a game where someone proposes a programming task, and then people reply with their shortest versions. Here’s a better explanation: https://en.wikipedia.org/wiki/Code_golf

              I’ve had difficulty getting clipboard functionality into my pythonscripts. I tried the advice found in the early part of the thread found here (https://sourceforge.net/p/npppythonscript/discussion/1188886/thread/bafe5a3a/), and actually had it working at one point, then got a new job and a different computer, and I could never get it working again (as you can see at the end of the thread).

              Claudia Frank 1 Reply Last reply Reply Quote 0
              • Claudia Frank
                Claudia Frank @Scott Sumner last edited by

                @Scott-Sumner
                :-) I see, thanks.
                In regards to clipboard, gimme a second …

                Cheers
                Claudia

                1 Reply Last reply Reply Quote 0
                • Scott Sumner
                  Scott Sumner last edited by

                  Also, Claudia, how is Yaron comparing a number against a boolean? His line you reference appears to be okay to me, syntax-wise.

                  1 Reply Last reply Reply Quote 0
                  • Yaron
                    Yaron last edited by

                    Hello Claudia and Scott,

                    @Claudia,
                    Scott has already asked it: where is the boolean?

                    But don’t know if this isn’t overkill.

                    I’m afraid it would. :)

                    @Scott,
                    As I’ve mentioned before - your statement regarding the clipboard was helpful indeed.

                    Thank you both very much.
                    Best regards.

                    1 Reply Last reply Reply Quote 0
                    • Claudia Frank
                      Claudia Frank last edited by Claudia Frank

                      Hello Yaron and Scott,

                      a quick script to get the clipboard data using ctypes and windows api.
                      Tested on Ubuntu (Linux) with wine - hopefully this works on real windows as well.

                      import ctypes
                      
                      def Get():
                          if ctypes.windll.user32.OpenClipboard(None):
                              clipboard_handle = ctypes.windll.user32.GetClipboardData(1)
                              if clipboard_handle:
                                  pointer_to_content = ctypes.windll.kernel32.GlobalLock(clipboard_handle)
                                  clipboard_data = ctypes.c_char_p(pointer_to_content).value
                                  ctypes.windll.kernel32.GlobalUnlock(clipboard_handle)
                              else:
                                  return 'invalid handle'
                              ctypes.windll.user32.CloseClipboard()
                              return clipboard_data
                          else:
                              return 'ERROR'
                      
                      print Get()
                      

                      In reality you would make sure that the openclipboard would be called more often
                      if it fails on the first try, as it might be that another application currently has opened it
                      and therefore your app doesn’t get access.

                      if oldLine != editor.lineFromPosition(newPos) and editor.getColumn(newPos) == 0:
                      

                      execution in order (afaik)
                      First, both functions get executed
                      Second result from getColumn get compared against 0 ->returns boolead
                      Third result from lineFrom… gets ANDed with boolean -> retruns boolean
                      Last oldLine(number) gets checked against boolean -> which means a boolean
                      compare at all. All oldLine numbers are True execept the first line which is 0 and treaten
                      as False.

                      As said, afaik. Maybe I’m wrong.

                      Cheers
                      Claudia

                      1 Reply Last reply Reply Quote 1
                      • Yaron
                        Yaron last edited by

                        Hello Claudia,

                        Thank you very much for the script.
                        I won’t be by a PC until Monday or Tuesday. I’ll try it then.

                        And as I’ve written to Scott: it’s good to know I haven’t missed anything too simple. :)
                        I appreciate it.

                        First, both functions get executed

                        I think there’s no need to execute the second function if the first condition is not true.
                        So, the order is:
                        Execute first function.
                        Check first condition.
                        Execute second function.
                        Check second condition.

                        What do you think?

                        BR.

                        Claudia Frank 1 Reply Last reply Reply Quote 0
                        • Claudia Frank
                          Claudia Frank @Yaron last edited by

                          @Yaron and Scott,

                          of course, you are right.
                          Phew - one of these days …
                          Please forgive and forget what I said.
                          Recently I was reading something about precedence and that If statement
                          has one of the lowest rating, but of course != get executed before.
                          I guess now its time to go to bed. ;-)

                          Cheers
                          Claudia

                          1 Reply Last reply Reply Quote 0
                          • Claudia Frank
                            Claudia Frank last edited by

                            Btw… here the confirmation that you are right.

                              2           0 LOAD_GLOBAL              0 (oldLine)
                                          3 LOAD_GLOBAL              1 (editor)
                                          6 LOAD_ATTR                2 (lineFromPosition)
                                          9 LOAD_GLOBAL              3 (newPos)
                                         12 CALL_FUNCTION            1
                                         15 COMPARE_OP               3 (!=)
                                         18 POP_JUMP_IF_FALSE       50
                                         21 LOAD_GLOBAL              1 (editor)
                                         24 LOAD_ATTR                4 (getColumn)
                                         27 LOAD_GLOBAL              3 (newPos)
                                         30 CALL_FUNCTION            1
                                         33 LOAD_CONST               1 (0)
                                         36 COMPARE_OP               2 (==)
                                         39 POP_JUMP_IF_FALSE       50
                            
                              3          42 LOAD_CONST               2 ('y')
                                         45 PRINT_ITEM          
                                         46 PRINT_NEWLINE       
                                         47 JUMP_FORWARD             5 (to 55)
                            
                              5     >>   50 LOAD_CONST               3 ('n')
                                         53 PRINT_ITEM          
                                         54 PRINT_NEWLINE       
                                    >>   55 LOAD_CONST               0 (None)
                                         58 RETURN_VALUE
                            

                            Cheers (shamy)
                            Claudia

                            1 Reply Last reply Reply Quote 0
                            • Yaron
                              Yaron last edited by

                              Hello Claudia,

                              In “one of these days” you’ve written such a beautiful script (I’m sure it is even before testing it).
                              My esteem has not been diminished at all by that trifle. :)

                              Thanks again. I appreciate your help.

                              Have a great night.

                              1 Reply Last reply Reply Quote 0
                              • Scott Sumner
                                Scott Sumner last edited by

                                @Claudia-Frank said:

                                if oldLine != editor.lineFromPosition(newPos) and editor.getColumn(newPos) == 0:

                                I was always taught that if YOU have some question or doubt, somebody reading your code later would also have the same concern, so better to make it explicit with parentheses:

                                if (oldLine != editor.lineFromPosition(newPos)) and (editor.getColumn(newPos) == 0):

                                I look forward to trying out the clipboard routine! Thank you, Claudia.

                                1 Reply Last reply Reply Quote 1
                                • Scott Sumner
                                  Scott Sumner last edited by

                                  The clipboard routine works well, Claudia, this is so great! Now I just have to write the corresponding ‘set’ version.

                                  1 Reply Last reply Reply Quote 0
                                  • guy038
                                    guy038 last edited by guy038

                                    Hello Yaron, Scoot and Claudia,

                                    I don’t want to disturb, in any way, your interesting discussion, about Python operators precedence ( and other goodies, that I can’t understand, yet ! ) but I, simply, created three macros, that seem to emulate the behaviour that you prefer, Yaron, AFAIK !!

                                    So :

                                    • Close any instance of Notepad++

                                    • Start an OTHER editor than notepad++

                                    • Open, in that editor, the Shortcuts.xml file

                                    • Insert, at the beginning of this file, inside the <Macros> section, the XML text below :

                                        <Macro name="Cut        Current Line w/o EOL" Ctrl="yes" Alt="yes" Shift="no" Key="88">
                                            <Action type="0" message="2453" wParam="0" lParam="0" sParam="" />
                                            <Action type="0" message="2453" wParam="0" lParam="0" sParam="" />
                                            <Action type="0" message="2345" wParam="0" lParam="0" sParam="" />
                                            <Action type="0" message="2452" wParam="0" lParam="0" sParam="" />
                                            <Action type="0" message="2452" wParam="0" lParam="0" sParam="" />
                                            <Action type="0" message="2177" wParam="0" lParam="0" sParam="" />
                                            <Action type="0" message="2180" wParam="0" lParam="0" sParam="" />
                                        </Macro>
                                        <Macro name="Copy     Current Line w/o EOL" Ctrl="yes" Alt="yes" Shift="no" Key="67">
                                            <Action type="0" message="2453" wParam="0" lParam="0" sParam="" />
                                            <Action type="0" message="2453" wParam="0" lParam="0" sParam="" />
                                            <Action type="0" message="2345" wParam="0" lParam="0" sParam="" />
                                            <Action type="0" message="2452" wParam="0" lParam="0" sParam="" />
                                            <Action type="0" message="2452" wParam="0" lParam="0" sParam="" />
                                            <Action type="0" message="2178" wParam="0" lParam="0" sParam="" />
                                            <Action type="0" message="2304" wParam="0" lParam="0" sParam="" />
                                        </Macro>
                                        <Macro name="Replace Current line by Clipboard" Ctrl="yes" Alt="yes" Shift="no" Key="86">
                                            <Action type="0" message="2453" wParam="0" lParam="0" sParam="" />
                                            <Action type="0" message="2453" wParam="0" lParam="0" sParam="" />
                                            <Action type="0" message="2345" wParam="0" lParam="0" sParam="" />
                                            <Action type="0" message="2452" wParam="0" lParam="0" sParam="" />
                                            <Action type="0" message="2452" wParam="0" lParam="0" sParam="" />
                                            <Action type="0" message="2179" wParam="0" lParam="0" sParam="" />
                                            <Action type="0" message="2453" wParam="0" lParam="0" sParam="" />
                                            <Action type="0" message="2453" wParam="0" lParam="0" sParam="" />
                                            <Action type="0" message="2345" wParam="0" lParam="0" sParam="" />
                                        </Macro>
                                      
                                    • Save the changes, done in the Shortcuts.xml file

                                    • Re-start Notepad++

                                    => In the macros list, you should have three additional entries :

                                    Cut     Current Line w/o EOL       Ctrl + Alt + X
                                    
                                    Copy    Current Line w/o EOL       Ctrl + Alt + C
                                    
                                    Replace Current Line by Clipboard  Ctrl + Alt + V
                                    

                                    Hypotheses :

                                    • I suppose that the Scintilla commands : Home, Alt + Home, Shift + End, Left Arrow and Suppr are the default ones !

                                    • I, also, suppose that the classical Ctrl + X , Ctrl + C and Ctrl + V commands are the default ones, too.

                                    • Finally, the three shortcuts Ctrl + Alt + X, Ctrl + Alt + C and Ctrl + Alt + V should not be used, yet

                                    Notes :

                                    • After execution of the two macros Copy Current Line w/o EOL and Replace Current Line by Clipboard, the caret is moved back, at the very beginning of the current line

                                    • After execution of the macro Cut Current Line w/o EOL, the caret is located, of course, at the very beginning of the next line

                                    • These macros work nice, whatever :

                                      • The current logical line Begins, or not, by some blank characters

                                      • The current logical line is wrapped, or not

                                      • The current logical line is split on several physical lines, preceded, or not, by any indentation

                                      • The present cursor location, in this current logical line

                                      • The EOL characters of the current logical line ( CRLF, LF or CR )

                                      • The current logical line is not terminated by any EOL characters ( case of the very last line of the file ! )


                                    So, let’s consider the simple text, of five lines, below :

                                    First  line to copy
                                    Second line to cut
                                    Third  line to be replaced by the first line
                                    Fourth line to be replaced by the second line
                                    Fifth  line to end
                                    
                                    • Put the cursor, anywhere, in the First line

                                    • Select the macro Macros - Copy Current Line w/o EOL OR hit the Alt + Ctrl + C shortcut

                                    • Put the cursor, anywhere, in the Third line

                                    • Select the macro Macros - Replace Current Line by Clipboard OR hit the Alt + Ctrl + V shortcut

                                    => You should get the modified text, below :

                                    First  line to copy
                                    Second line to cut
                                    First  line to copy
                                    Fourth line to be replaced by the second line
                                    Fifth  line to end
                                    
                                    • Now, put the cursor, anywhere, in the Second line

                                    • Select the macro Macros - Cut Current Line w/o EOL OR hit the Alt + Ctrl + X shortcut

                                    • Put the cursor, anywhere, in the Fourth line

                                    • Select the macro Macros - Replace Current Line by Clipboard OR hit the Alt + Ctrl + V shortcut

                                    => The final result should be :

                                    First  line to copy
                                    First  line to copy
                                    Second line to cut
                                    Fifth  line to end
                                    

                                    Remarks :

                                    • If you use the macro Copy Current Line w/o EOL then put the cursor inside any other line and, finally, use the default CTRL + V command, the current line, while executing the macro, is just inserted, at the new cursor location

                                    • Inversely, if you use the default CTRL + C, to select some lines, then put the cursor inside any other line and, finally, use the macro Replace Current Line by Clipboard, the copied lines will replace the current line, while executing the macro !

                                    • Note, also, that executing, consecutively, several times, any of the two macros Copy Current Line w/o EOL AND/OR Replace Current Line by Clipboard does NOT change the current line at all !!

                                    • However, executing, several times, the macro Cut Current Line w/o EOL deletes the consecutive current lines, keeping the last one, only, in the clipboard, in order to replace any other current line, while executing the Replace Current Line by Clipboard macro

                                    • To end, a very nice trick : if, after using the Copy Current Line w/o EOL OR the Cut Current Line w/o EOL macro, you’re wrong, using the normal paste command ( Ctrl + V ), no panic ! Just execute the Replace Current Line by Clipboard macro ( or Ctrl + Alt + V ), just after :-))

                                    Best Regards,

                                    guy038

                                    P.S. :

                                    You’ve , certainly, noticed that I used, sometimes, in macros, two identical consecutive commands, as Home or Shift + End. These forms are necessary, when the lines are wrapped, in several physical lines and, even more, when a wrapped line is preceded by some leading blank characters !

                                    Claudia Frank 1 Reply Last reply Reply Quote 1
                                    • Claudia Frank
                                      Claudia Frank @guy038 last edited by Claudia Frank

                                      Hello guy,

                                      what took longer, finding out how to get this solved using macros
                                      or writing this?? ;-)))

                                      Another goody

                                      Cheers
                                      Claudia

                                      1 Reply Last reply Reply Quote 0
                                      • cmeriaux
                                        cmeriaux last edited by

                                        @guy038
                                        for the record, you can edit shortcut.xml in notepad++ as long as do don’t change any shortcut through shortcut mapper. shortcuts.xml is overwritten only when a shortcut is modified.

                                        1 Reply Last reply Reply Quote 0
                                        • Scott Sumner
                                          Scott Sumner last edited by

                                          Let’s not talk about how this topic has diverged… guy038, regarding your statement about “two identical consecutive commands”, it seems that this isn’t predictable.

                                          Case 1: [single line, indented, caret in middle of line somewhere] 2 presses of “home” take caret to start of line; 3 move the caret to the first character of the indented text

                                          Case 2: [indented, word-wrap on, caret in middle of 2nd line of a wrapped line] 3 presses of “home” take caret to start of line

                                          I’m just wondering how it is possible to write consistent macros with this differing behavior; hopefully it is understood what I mean. Maybe one more thing to clarify: It seems that with the Case 1/2 behavior I’ve described, guy038’s macros would not quite know for sure if they are getting all the text on the line (seems like it would be easy to lose the leading indent in one case)…

                                          1 Reply Last reply Reply Quote 0
                                          • Yaron
                                            Yaron last edited by

                                            Hello all,

                                            @Claudia,
                                            Thanks again for the great script. I highly appreciate that.

                                            I think you have to close the clipboard whether it contains text or anything else.
                                            (Otherwise, if it contains an image the clipboard is locked and access denied).

                                            import ctypes
                                            
                                            def Get():
                                            	if ctypes.windll.user32.OpenClipboard(None):
                                            		clipboard_handle = ctypes.windll.user32.GetClipboardData(1)
                                            		if clipboard_handle:
                                            			pointer_to_content = ctypes.windll.kernel32.GlobalLock(clipboard_handle)
                                            			clipboard_data = ctypes.c_char_p(pointer_to_content).value
                                            			ctypes.windll.kernel32.GlobalUnlock(clipboard_handle)
                                            		else:
                                            			clipboard_data = -1	
                                            
                                            		ctypes.windll.user32.CloseClipboard()
                                            	else:
                                            		clipboard_data = -2
                                            		
                                            	return 	clipboard_data
                                            
                                            print Get()
                                            

                                            Or am I missing anything?


                                            @Guy,
                                            Thank you very much for the Macro.
                                            Beautifully written and explained as always.

                                            As a “mouse-oriented” user I didn’t know about the double “Home” in warped lines.
                                            Thanks for that too.

                                            As for Python:
                                            I suggest that you start with the simple script I posted at the beginning of this thread.
                                            You would soon be offering solutions both in Regex and Python. :)


                                            @Scott,
                                            Could you please post an example to your comment regarding Guy’s Macro?

                                            The Golf was worthwhile.
                                            We got two new gems from Claudia and Guy, didn’t we?
                                            Thanks again for your kind help.

                                            Best regards.

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