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    Clear the Ruby Console with Win32 API?

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    • thomthomT Offline
      thomthom
      last edited by

      looking at this again:

      After using WinDowse to clear the text:

      • if I click the command line textbox in the Ruby Console to bring up any old commands - then all the old stuff comes back
      • if I don't do that - and use a script that uses a puts statement - or type in a new command or blank line into the Ruby Console command line - then the old history doesn't come back any more.

      Thomas Thomassen — SketchUp Monkey & Coding addict
      List of my plugins and link to the CookieWare fund

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      • J Offline
        jessejames
        last edited by

        @thomthom said:

        So this means SU caches ALL the text? it doesn't append to the existing text, to completely rewrites it?? No wonder that thing is slow!

        The Ruby console "As Is" needs to die a torturous and horrible death, and in its place, a new multi-line console "shining prince" (not IO! 😉 ) would herald in the new era of scripting bliss!

        Always sleep with a loaded gun under your pillow!

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        • TIGT Offline
          TIG Moderator
          last edited by

          @thomthom said:

          looking at this again:
          After using WinDowse to clear the text:

          • if I click the command line textbox in the Ruby Console to bring up any old commands - then all the old stuff comes back
          • if I don't do that - and use a script that uses a puts statement - or type in a new command or blank line into the Ruby Console command line - then the old history doesn't come back any more.

          After you have cleared the console why not have your code do an empty puts to help you ?

          TIG

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          • thomthomT Offline
            thomthom
            last edited by

            well - I have not written the code yet. I've only used WinDowse to poke about.
            But yes - that would be a solution - if I now could work out how to do this from Ruby.

            Thomas Thomassen — SketchUp Monkey & Coding addict
            List of my plugins and link to the CookieWare fund

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            • TIGT Offline
              TIG Moderator
              last edited by

              I have PM'd you clearConsole.rb that works OK - I didn't publish it here as I'm unsure where it came from - no accreditation in the header ?
              ❓

              TIG

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              • thomthomT Offline
                thomthom
                last edited by

                Excellent TIG. 👍

                Now - if only we found the author so we could get this posted publicly...

                Thomas Thomassen — SketchUp Monkey & Coding addict
                List of my plugins and link to the CookieWare fund

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                • J Offline
                  Jim
                  last edited by

                  morisdov compiled a small windows exe to clear the console. It is called using the system command. I use it, and like to have it around because I can also double-click it from my file manager and clear the console.

                  http://morisdov.googlepages.com/

                  (I was sure this was posted at morsidov's site, but it does not seem to be available now.)

                  Hi

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                  • Al HartA Offline
                    Al Hart
                    last edited by

                    Here is a routine which should work.

                    If you have problems, let me know.
                    (Sometimes code I extract from larger projects only works because of other plugins I have loaded already)

                    • Place Win32API.so in the Plugins folder (I grabbed a copy from the ruby install and placed it there)
                    • place clear_ruby_console.rb in your Plugins folder.
                    • "Clear Ruby Console" should appear at the bottom of the Window drop-down menu after you start SketchUp

                    clear_ruby_console.rb

                    clear_ruby_console.rb

                    
                    # you need Win32API.so in the Plugins folder for this to work.
                    # I grabbed a copy from the ruby install and placed it there
                    require 'Win32API' 
                    
                    
                    
                    def clear_ruby_console
                    
                    	# Find a window called Ruby Console
                    	# (Note; if there is more than one, then this may not work)
                    	fw = Win32API.new("user32.dll", "FindWindow", ['P', 'P'], 'N')
                    	pw=fw.call(0, "Ruby Console")	
                    	if (!pw)
                    		puts "Ruby Console not found"
                    		return
                    	end#if
                    	
                    	# get the text output window in the Ruby Console
                    	fw_ex = Win32API.new("user32.dll", "FindWindowEx", ['N', 'N', 'P', 'P'], 'N')
                    	h_text = fw_ex.call(pw, 0, "Edit", 0) # Text Input for Ruby Console
                    	if (!h_text)
                    		puts "Ruby Console text window not found"
                    		return
                    	end#if
                    	
                    	# get the output window
                    	h_output = fw_ex.call(pw, h_text, "Edit", 0) # Output for Ruby Console
                    	if (!h_output)
                    		puts "Ruby Console output window not found"
                    		return
                    	end#if
                    	
                    	# Clear the text in the ruby output
                    	# by sending it an empty string
                    	sm = Win32API.new("user32.dll", "SendMessage", ['N', 'N', 'N', 'P'], 'N')	
                    	wm_settext = 0x000c # windows constant to set text
                    	sm.call(h_output, wm_settext, 0, "")	
                    	
                    	#You can change this to whatever message you want to display
                    	#after the console is cleared.
                    	puts "--- Ruby Console Cleared ---"
                    			
                    end#def
                    
                    # Add to Windows menu
                    if ( !$clear_console_loaded)
                       UI.menu("Window").add_item("Create Ruby Console") {clear_ruby_console}
                       $clear_console_loaded = true
                    end
                    
                    
                    
                    

                    Al Hart

                    http:wiki.renderplus.comimageseefRender_plus_colored30x30%29.PNG
                    IRender nXt from Render Plus

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                    • F Offline
                      filsaz
                      last edited by

                      @al hart said:

                      Here is a routine which should work.

                      If you have problems, let me know.
                      (Sometimes code I extract from larger projects only works because of other plugins I have loaded already)

                      • Place Win32API.so in the Plugins folder (I grabbed a copy from the ruby install and placed it there)
                      • place clear_ruby_console.rb in your Plugins folder.
                      • "Clear Ruby Console" should appear at the bottom of the Window drop-down menu after you start SketchUp

                      [attachment=0:2o2wyuvn]<!-- ia0 -->clear_ruby_console.rb<!-- ia0 -->[/attachment:2o2wyuvn]

                      clear_ruby_console.rb

                      
                      > # you need Win32API.so in the Plugins folder for this to work.
                      > # I grabbed a copy from the ruby install and placed it there
                      > require 'Win32API' 
                      > 
                      > 
                      > 
                      > def clear_ruby_console
                      > 
                      > 	# Find a window called Ruby Console
                      > 	# (Note; if there is more than one, then this may not work)
                      > 	fw = Win32API.new("user32.dll", "FindWindow", ['P', 'P'], 'N')
                      > 	pw=fw.call(0, "Ruby Console")	
                      > 	if (!pw)
                      > 		puts "Ruby Console not found"
                      > 		return
                      > 	end#if
                      > 	
                      > 	# get the text output window in the Ruby Console
                      > 	fw_ex = Win32API.new("user32.dll", "FindWindowEx", ['N', 'N', 'P', 'P'], 'N')
                      > 	h_text = fw_ex.call(pw, 0, "Edit", 0) # Text Input for Ruby Console
                      > 	if (!h_text)
                      > 		puts "Ruby Console text window not found"
                      > 		return
                      > 	end#if
                      > 	
                      > 	# get the output window
                      > 	h_output = fw_ex.call(pw, h_text, "Edit", 0) # Output for Ruby Console
                      > 	if (!h_output)
                      > 		puts "Ruby Console output window not found"
                      > 		return
                      > 	end#if
                      > 	
                      > 	# Clear the text in the ruby output
                      > 	# by sending it an empty string
                      > 	sm = Win32API.new("user32.dll", "SendMessage", ['N', 'N', 'N', 'P'], 'N')	
                      > 	wm_settext = 0x000c # windows constant to set text
                      > 	sm.call(h_output, wm_settext, 0, "")	
                      > 	
                      > 	#You can change this to whatever message you want to display
                      > 	#after the console is cleared.
                      > 	puts "--- Ruby Console Cleared ---"
                      > 			
                      > end#def
                      > 
                      > # Add to Windows menu
                      > if ( !$clear_console_loaded)
                      >    UI.menu("Window").add_item("Create Ruby Console") {clear_ruby_console}
                      >    $clear_console_loaded = true
                      > end
                      > 
                      > 
                      > 
                      

                      Thanks, it works! And I learned something new (win32api calls) with this example of yours. Thanks!
                      Yet, be careful there... I am sure you know about this but, in ruby only "false" and "nil" evaluate to "false", "C language" NULL does not, so you need to test against 0(zero) instead of using the "not operator" on the return values, which are numbers and therefore using "not" always yield to false in ruby.

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                      • M Offline
                        MartinRinehart
                        last edited by

                        t=28571clear.jpg

                        Clears input and output windows. Toggle output off and on to clear just output.

                        http://forums.sketchucation.com/viewtopic.php?f=323&t=28571

                        Author, Edges to Rubies - The Complete SketchUp Tutorial at http://www.MartinRinehart.com/models/tutorial.

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