Stringscan

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Comment:Fix spacing in code
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SHA3-256:a7d8752c2663a51154962681fe5d85d802d71ce7d1f8510ac6168b2bb0e39474
User & Date: kevin 2017-06-24 14:18:14
Context
2017-06-24
14:34
Update spacing check-in: 6883ab21ea user: kevin tags: trunk
14:18
Fix spacing in code check-in: a7d8752c26 user: kevin tags: trunk
2017-06-23
03:30
Update to user help check-in: d77e683476 user: kevin tags: trunk
Changes
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Changes to stringscan.rb.

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#Stringscan: grep-like tool, written in Ruby-Tk. (c) 2017 Kevin Walzer/WordTech Communications LLC. License: MIT license.
 
#encoding: UTF-8
 
require 'tk'
require 'tkballoonhelp'
require 'tkextlib/tile'
require 'find'
require 'tkextlib/tcllib/tablelist_tile'
require 'mime/types'
require 'tk/tk_mac'
require 'tkextlib/tkDND'

$platform = Tk.windowingsystem()

#find additional Tcl libraries
if $platform == 'aqua'
  Tk::AUTO_PATH.list <<= File.dirname(__FILE__)
end


if $platform == 'aqua'
  TkPackage.require('windowlist')
end
TkPackage.require('regproc')
TkPackage.require('machelp')
TkPackage.require('softwareupdate')
TkPackage.require('xplat')


class StringscanApp

  #core method; here we search for a string in text files within a directory and  display a list of matching files in the listbox 
  def stringgrep
    $file_list = []
    $grep_list = []
    $lbox.delete(0, 'end')
    Find.find("#{$dirname}") do |path|
      $file_list << path unless FileTest.directory?(path)
    end
    for i in $file_list
      begin
        #we are only reading text files here, not binary. 
        text =  MIME::Types.type_for(i).first.to_s
        type =  text.split('/')[0]
        if type  =~ /text/
          f = File.open(i, "r:iso-8859-1:utf-8")
          result = f.read
          if result =~ /#{$searchterm}/ then
          $lbox.insert('end', "#{i}")
          f.close
        end
        end
      rescue
        #puts "Search term not found.\n"
      end
    end
    rescue
      puts "Directory not found.\n"
  puts "Search complete.\n"
  end

 
  def drawgui 
    begin
      Tk.ip_eval("console hide")
    rescue
      puts "could not hide console.\n"
    end

    #image data
    $folderdata = 'R0lGODlhGAAYAIABAAQHB////yH+EUNyZWF0ZWQgd2l0aCBHSU1QACH5BAEKAAEALAAAAAAYABgAAAI1hI8Wy70JgZshJurOtFzmHm0ghJXVZVJkKo7uC8cr28z0g944ojP2/aMFWcNU0SRLxk5KSQEAOw=='

    $glassdata = 'R0lGODlhGAAYAIABAAAAAP///yH+EUNyZWF0ZWQgd2l0aCBHSU1QACH5BAEKAAEALAAAAAAYABgAAAJHjI8Gy+nJYntQWkBVRDLv9zkTNXKleAYhuaBYpr2m7LWVXdOxfvMd67OATpeJcFa89JK/A1O5PMJUySlyZaVis1oel/o9FAAAOw=='

    $folderimage = TkPhotoImage.new(:data => $folderdata)
    $glassimage = TkPhotoImage.new(:data => $glassdata)

    $icondata = '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'
    $icon = TkPhotoImage.new(:data => $icondata)
 
    #initialize variables for entry
    $dirname = TkVariable.new
    $searchterm = TkVariable.new
    
    #top window and frame

    Tk::TkDND::DND
    $root = TkRoot.new {
      title "Stringscan"
    }
    
    #menu
    $menubar = TkMenu.new($root)
    TkOption.add '*tearOff', 0
    if $platform == 'aqua'
      $appmenu = TkSysMenu_Apple.new($menubar)
      $menubar.add :cascade, :menu => $appmenu
      $appmenu.add :command, :label => 'About Stringscan', :command=> proc{aboutWindow}
      $appmenu.add :command, :label => 'License', :command=>proc{getReg}
      $appmenu.add :command, :label=>'Check for Updates', :command=>proc{checkUpdate}
      $appmenu.add :separator
    end
  $searchmenu = TkMenu.new($menubar)
    $menubar.add :cascade, :menu => $searchmenu, :label => 'Search'
    $searchmenu.add :command, :label => 'Run Search', :command => proc{stringgrep}
    $searchmenu.add :command, :label => 'Choose Directory...', :command => proc{ $dirname = Tk::chooseDirectory('initialdir'=>Dir.home, 'parent'=>$root)
      $direntry.value = $dirname
    }
    if $platform == 'win32'
      $searchmenu.add :command, :label => "Exit", :command=>exit
    end
    if $platform == 'aqua'
      Tk.tk_call("windowlist::windowMenu",  $menubar)
    end
    $helpmenu = TkSysMenu_Help.new($menubar)
    $menubar.add :cascade, :menu => $helpmenu, :label => 'Help'
      if $platform != 'aqua'
        $helpmenu.add :command, :label=>'Stringscan Help', :command=>proc{
          Tk.tk_call('machelp::userhelp')
        }
      end
         $helpmenu.add :command, :label=>'Contact Code by Kevin', :command=>proc{
        Tk.tk_call('xplat::launch', 'mailto:kw@codebykevin.com?subject=Stringscan')
     }
      $helpmenu.add :command, :label=>'Web Site', :command=>proc{
         Tk.tk_call('xplat::launch', 'https://www.codebykevin.com/stringscan.html')
      }

      if $platform != 'aqua'
      $helpmenu.add :command, :label => 'About Stringscan', :command=> proc{aboutWindow}
      $helpmenu.add :command, :label => 'License', :command=>proc{getReg}
      $helpmenu.add :command, :label=>'Check for Updates', :command=>proc{checkUpdate}
      
    end
    $root['menu'] = $menubar
   $mainframe = Tk::Tile::Frame.new($root).pack('side' => 'top','fill' => 'both','expand' => 'yes')
 
    #button frame and buttons
    $buttonframe = Tk::Tile::Frame.new($mainframe){padding 2}.pack('side' => 'top','fill' => 'both','expand' => 'no')
    $choosebutton = Tk::Tile::Button.new($buttonframe) {
      image $folderimage
      takefocus 0
      padding 5
      command  proc{
        $dirname = Tk::chooseDirectory('initialdir'=>Dir.home, 'parent'=>$root)
        $direntry.value = $dirname
      }
    }.pack('side' => 'left','fill' => 'both','expand' => 'no')
    Tk::RbWidget::BalloonHelp.new($choosebutton, 'text'=>'Select Directory', 'background'=>'lightyellow', 'relief'=>'flat')
    stringgrepProc = proc {stringgrep}
    $runbutton = Tk::Tile::Button.new($buttonframe) {
      image $glassimage
      takefocus 0
      padding 5
      command stringgrepProc
    }.pack('side' => 'left','fill' => 'both','expand' => 'no')
       Tk::RbWidget::BalloonHelp.new($runbutton, 'text'=>'Run Search', 'background'=>'lightyellow', 'relief'=>'flat')
    $sep = Tk::Tile::Separator.new($mainframe) { orient 'horizontal' }.pack('side'=> 'top', 'fill'=>'both')
 
    #labels and entries
    $topframe = Tk::Tile::Frame.new($mainframe){padding 5}.pack('side' => 'top','fill' => 'both','expand' => 'no')
    $chooselabel = Tk::Tile::Label.new($topframe) {text "Directory:"}.pack('side' => 'left','fill' => 'both','expand' => 'no')
    $direntry = Tk::Tile::Entry.new($topframe) {textvariable $dirname }.pack('side' => 'left','fill' => 'both','expand' => 'no')
    $termlabel = Tk::Tile::Label.new($topframe) {text "Search Term:"}.pack('side' => 'left','fill' => 'both','expand' => 'no')
    $termentry = Tk::Tile::Entry.new($topframe) {textvariable $searchterm}.pack('side' => 'left','fill' => 'both','expand' => 'no')
    $termentry.bind('Return', proc {stringgrep})
    $nextsep = Tk::Tile::Separator.new($mainframe) {orient 'horizontal'}.pack('side'=>'top', 'fill'=>'both')
 
    #listbox, textbox, scrollbars
    $bottomframe = Tk::Frame.new($mainframe).pack('side'=>'bottom','fill' => 'both', 'expand' => 'yes')
    $bottomleftframe  =Tk::Tile::Frame.new($bottomframe).pack('side'=>'left','fill' => 'both', 'expand' => 'yes')
    $listlabel = Tk::Tile::Label.new($bottomleftframe) {
      text 'File Name'
      style 'TablelistHeader.TLabel'
      padding 1
    }.pack('side'=>'top', 'fill'=>'both', 'expand' => 'no')
    $lbox = Tk::Listbox.new($bottomleftframe){
      width 50
      height 30
      borderwidth 0
      takefocus 0
      activestyle "none"
      exportselection 0
      selectbackground "RoyalBlue1"
      selectforeground "white"
      dnd_bindtarget('text/uri-list', '<Drop>', '%D') {|d|
        filename=d.join(' ')
                               begin
                                 if File.directory?(filename)
                                   $dirname = filename
                                   $direntry.value = filename
                                 end
                               rescue
                                 raise
                               end
        }
    }.pack('side'=>'left','fill' => 'both', 'expand' => 'yes')
    $lbox.bind '<ListboxSelect>', proc {
       begin
      if $lbox.curselection.empty?
       puts "No selection in listbox."
      else
         highlighttext  $lbox.get($lbox.curselection[0])
      end
      rescue
        puts "Cannot get selection in listbox."
      end
     }
    $scrollframe = Tk::Frame.new($bottomleftframe).pack('side'=>'right','fill' => 'y', 'expand' => 'no')
    $listscroll = Tk::Scrollbar.new($scrollframe).pack('side'=>'right','fill' => 'y', 'expand' => 'no')
    $lbox.yscrollbar($listscroll)
    $bottomrightframe  =Tk::Tile::Frame.new($bottomframe).pack('side'=>'right','fill' => 'both', 'expand' => 'yes')
    $tbox = Tk::Text::new($bottomrightframe){
      borderwidth 0.1
      relief 'sunken'
      wrap 'word'
      highlightcolor 'SlateGray3'
      bg 'white'
      state 'disabled'
    }.pack('side'=>'left','fill' => 'both', 'expand' => 'yes')
    $tscrollframe = Tk::Frame.new($bottomrightframe).pack('side'=>'right','fill' => 'y', 'expand' => 'no')
    $tscroll = Tk::Scrollbar.new($tscrollframe).pack('side'=>'right','fill' => 'y', 'expand' => 'no')
    $tbox.yscrollbar($tscroll)
  end

  #read file for display in text widget
  def highlighttext(file)
   $tbox.configure('state'=>'normal')
   $tbox.delete('1.0', 'end') 
   f = open(file, 'rb')
    while(!f.eof?)
      $tbox.insert('end', f.read(1000))
	end
    f.close
    $tbox.configure('state'=>'disabled')
    $tbox.tag_configure('search', :background=>'yellow')
    sethighlight()
  end

  #set highlight color for search term
  def sethighlight
    $tbox.configure('state'=>'normal')
    $tbox.tag_remove('search', '0.0', 'end')
    return if $searchterm == ""
    cur = '1.0'
    loop {
      cur, len = $tbox.search_with_length("#{$searchterm}", cur, 'end')
           break if cur == ""
	   $tbox.tag_add('search', cur, "#{cur} + #{len} char")
           cur = $tbox.index("#{cur} + #{len} char")
    }
    $tbox.configure('state'=>'disabled')
  end
 
 
 #about window for app
  def aboutWindow
    Tk::messageBox :type => 'ok',
    :message => 'Stringscan: Text Search Tool',
    :icon => 'info', :title => 'About Stringscan',
    :detail  => "Version 1.0\n(c) 2017 Wordtech Communications LLC",
    :parent => $root
  end

#check version of installed software
def checkUpdate 
    Tk.tk_call('softwareupdate::setIcon', $icon)
    Tk.tk_call('softwareupdate::checkVersion', $appname, $appversion)
end

#check version of installed software
def getReg
  Tk.tk_call('regproc::getReg')
end

#user help
def showHelp
  Tk.tk_call('machelp::userhelp')
end
  
 
#here we initialize our app class
def initialize

    $dirname = ""
    $searchterm = ""
    $appname = 'Stringscan'
    $appversion = '1.0'
    Tk.tk_call('machelp::setAppName', $appname, $appversion)
    Tk.tk_call('softwareupdate::setAppName', $appname)
    Tk.tk_call('softwareupdate::setVersion', $appname, $appversion)

    bgerror = Tk.install_cmd(proc{
                               |*args|
                               puts args
                             })
    Tk.ip_eval("proc bgerror {args} {#{bgerror} $args}")

        if $platform == 'aqua'
          ##map ruby proc to "odoc" Apple Event
          setDir = Tk.install_cmd(proc{
                               |*args|
                               filename=(args[0]).delete('{}')
                               begin
                                 if File.directory?(filename)
                                   $dirname = filename
                                   $direntry.value = filename
                                 end
                               rescue
                                 raise
                               end
                          })    
          Tk.ip_eval("proc ::tk::mac::OpenDocument {args} {#{setDir} $args}")
          Tk.ip_eval("proc ::tk::mac::ShowHelp {} {#{Tk.install_cmd(proc{showHelp})}}")
        end        
        drawgui()
        Tk.tk_call('regproc::readLic', $appname, $appversion)
  end             
end
 
app = StringscanApp.new()
Tk.mainloop()



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#Stringscan: grep-like tool, written in Ruby-Tk. (c) 2017 Kevin Walzer/WordTech Communications LLC. License: MIT license.

#encoding: UTF-8

require 'tk'
require 'tkballoonhelp'
require 'tkextlib/tile'
require 'find'
require 'tkextlib/tcllib/tablelist_tile'
require 'mime/types'
require 'tk/tk_mac'
require 'tkextlib/tkDND'

$platform = Tk.windowingsystem

#find additional Tcl libraries
if $platform == 'aqua'
    Tk::AUTO_PATH.list <<= File.dirname(__FILE__)
end


if $platform == 'aqua'
    TkPackage.require('windowlist')
end
TkPackage.require('regproc')
TkPackage.require('machelp')
TkPackage.require('softwareupdate')
TkPackage.require('xplat')


class StringscanApp

#core method; here we search for a string in text files within a directory and  display a list of matching files in the listbox 
def stringgrep
	$file_list = []
	$grep_list = []
	$lbox.delete(0, 'end')
	Find.find("#{$dirname}") do |path|
		$file_list << path unless FileTest.directory?(path)
	end
	for i in $file_list
	begin
		#we are only reading text files here, not binary. 
		text =  MIME::Types.type_for(i).first.to_s
		type =  text.split('/')[0]
		if type  =~ /text/
			f = File.open(i, "r:iso-8859-1:utf-8")
			result = f.read
			if result =~ /#{$searchterm}/ then
				$lbox.insert('end', "#{i}")
				f.close
			end
		end
	rescue
		#puts "Search term not found.\n"
	end
end
rescue
    puts "Directory not found.\n"
    puts "Search complete.\n"
end


def drawgui 
    begin
        Tk.ip_eval("console hide")
    rescue
        puts "could not hide console.\n"
    end

    #image data
    $folderdata = 'R0lGODlhGAAYAIABAAQHB////yH+EUNyZWF0ZWQgd2l0aCBHSU1QACH5BAEKAAEALAAAAAAYABgAAAI1hI8Wy70JgZshJurOtFzmHm0ghJXVZVJkKo7uC8cr28z0g944ojP2/aMFWcNU0SRLxk5KSQEAOw=='

    $glassdata = 'R0lGODlhGAAYAIABAAAAAP///yH+EUNyZWF0ZWQgd2l0aCBHSU1QACH5BAEKAAEALAAAAAAYABgAAAJHjI8Gy+nJYntQWkBVRDLv9zkTNXKleAYhuaBYpr2m7LWVXdOxfvMd67OATpeJcFa89JK/A1O5PMJUySlyZaVis1oel/o9FAAAOw=='

    $folderimage = TkPhotoImage.new(:data => $folderdata)
    $glassimage = TkPhotoImage.new(:data => $glassdata)

    $icondata = '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'
    $icon = TkPhotoImage.new(:data => $icondata)

    #initialize variables for entry
    $dirname = TkVariable.new
    $searchterm = TkVariable.new

    #top window and frame

    Tk::TkDND::DND
    $root = TkRoot.new {
        title "Stringscan"
    }

    #menu
    $menubar = TkMenu.new($root)
    TkOption.add '*tearOff', 0
    if $platform == 'aqua'
        $appmenu = TkSysMenu_Apple.new($menubar)
        $menubar.add :cascade, :menu => $appmenu
        $appmenu.add :command, :label => 'About Stringscan', :command=> proc{aboutWindow}
        $appmenu.add :command, :label => 'License', :command=>proc{getReg}
        $appmenu.add :command, :label=>'Check for Updates', :command=>proc{checkUpdate}
        $appmenu.add :separator
    end
    $searchmenu = TkMenu.new($menubar)
    $menubar.add :cascade, :menu => $searchmenu, :label => 'Search'
    $searchmenu.add :command, :label => 'Run Search', :command => proc{stringgrep}
    $searchmenu.add :command, :label => 'Choose Directory...', :command => proc{ $dirname = Tk::chooseDirectory('initialdir'=>Dir.home, 'parent'=>$root)
        $direntry.value = $dirname
    }
    if $platform == 'win32'
        $searchmenu.add :command, :label => "Exit", :command=>exit
    end
    if $platform == 'aqua'
        Tk.tk_call("windowlist::windowMenu",  $menubar)
    end
    $helpmenu = TkSysMenu_Help.new($menubar)
    $menubar.add :cascade, :menu => $helpmenu, :label => 'Help'
    if $platform != 'aqua'
        $helpmenu.add :command, :label=>'Stringscan Help', :command=>proc{
            Tk.tk_call('machelp::userhelp')
        }
    end
    $helpmenu.add :command, :label=>'Contact Code by Kevin', :command=>proc{
        Tk.tk_call('xplat::launch', 'mailto:kw@codebykevin.com?subject=Stringscan')
    }
    $helpmenu.add :command, :label=>'Web Site', :command=>proc{
        Tk.tk_call('xplat::launch', 'https://www.codebykevin.com/stringscan.html')
    }

    if $platform != 'aqua'
        $helpmenu.add :command, :label => 'About Stringscan', :command=> proc{aboutWindow}
        $helpmenu.add :command, :label => 'License', :command=>proc{getReg}
        $helpmenu.add :command, :label=>'Check for Updates', :command=>proc{checkUpdate}

    end
    $root['menu'] = $menubar
    $mainframe = Tk::Tile::Frame.new($root).pack('side' => 'top','fill' => 'both','expand' => 'yes')

    #button frame and buttons
    $buttonframe = Tk::Tile::Frame.new($mainframe){padding 2}.pack('side' => 'top','fill' => 'both','expand' => 'no')
    $choosebutton = Tk::Tile::Button.new($buttonframe) {
        image $folderimage
        takefocus 0
        padding 5
        command  proc{
            $dirname = Tk::chooseDirectory('initialdir'=>Dir.home, 'parent'=>$root)
            $direntry.value = $dirname
        }
    }.pack('side' => 'left','fill' => 'both','expand' => 'no')
    Tk::RbWidget::BalloonHelp.new($choosebutton, 'text'=>'Select Directory', 'background'=>'lightyellow', 'relief'=>'flat')
    stringgrepProc = proc {stringgrep}
    $runbutton = Tk::Tile::Button.new($buttonframe) {
        image $glassimage
        takefocus 0
        padding 5
        command stringgrepProc
    }.pack('side' => 'left','fill' => 'both','expand' => 'no')
    Tk::RbWidget::BalloonHelp.new($runbutton, 'text'=>'Run Search', 'background'=>'lightyellow', 'relief'=>'flat')
    $sep = Tk::Tile::Separator.new($mainframe) { orient 'horizontal' }.pack('side'=> 'top', 'fill'=>'both')

    #labels and entries
    $topframe = Tk::Tile::Frame.new($mainframe){padding 5}.pack('side' => 'top','fill' => 'both','expand' => 'no')
    $chooselabel = Tk::Tile::Label.new($topframe) {text "Directory:"}.pack('side' => 'left','fill' => 'both','expand' => 'no')
    $direntry = Tk::Tile::Entry.new($topframe) {textvariable $dirname }.pack('side' => 'left','fill' => 'both','expand' => 'no')
    $termlabel = Tk::Tile::Label.new($topframe) {text "Search Term:"}.pack('side' => 'left','fill' => 'both','expand' => 'no')
    $termentry = Tk::Tile::Entry.new($topframe) {textvariable $searchterm}.pack('side' => 'left','fill' => 'both','expand' => 'no')
    $termentry.bind('Return', proc {stringgrep})
    $nextsep = Tk::Tile::Separator.new($mainframe) {orient 'horizontal'}.pack('side'=>'top', 'fill'=>'both')

    #listbox, textbox, scrollbars
    $bottomframe = Tk::Frame.new($mainframe).pack('side'=>'bottom','fill' => 'both', 'expand' => 'yes')
    $bottomleftframe  =Tk::Tile::Frame.new($bottomframe).pack('side'=>'left','fill' => 'both', 'expand' => 'yes')
    $listlabel = Tk::Tile::Label.new($bottomleftframe) {
        text 'File Name'
        style 'TablelistHeader.TLabel'
        padding 1
    }.pack('side'=>'top', 'fill'=>'both', 'expand' => 'no')
    $lbox = Tk::Listbox.new($bottomleftframe){
        width 50
        height 30
        borderwidth 0
        takefocus 0
        activestyle "none"
        exportselection 0
        selectbackground "RoyalBlue1"
        selectforeground "white"
        dnd_bindtarget('text/uri-list', '<Drop>', '%D') {|d|
            filename=d.join(' ')
            begin
                if File.directory?(filename)
                    $dirname = filename
                    $direntry.value = filename
                end
            rescue
                raise
            end
        }
    }.pack('side'=>'left','fill' => 'both', 'expand' => 'yes')
    $lbox.bind '<ListboxSelect>', proc {
        begin
            if $lbox.curselection.empty?
                puts "No selection in listbox."
            else
                highlighttext  $lbox.get($lbox.curselection[0])
            end
        rescue
            puts "Cannot get selection in listbox."
        end
    }
    $scrollframe = Tk::Frame.new($bottomleftframe).pack('side'=>'right','fill' => 'y', 'expand' => 'no')
    $listscroll = Tk::Scrollbar.new($scrollframe).pack('side'=>'right','fill' => 'y', 'expand' => 'no')
    $lbox.yscrollbar($listscroll)
    $bottomrightframe  =Tk::Tile::Frame.new($bottomframe).pack('side'=>'right','fill' => 'both', 'expand' => 'yes')
    $tbox = Tk::Text::new($bottomrightframe){
        borderwidth 0.1
        relief 'sunken'
        wrap 'word'
        highlightcolor 'SlateGray3'
        bg 'white'
        state 'disabled'
    }.pack('side'=>'left','fill' => 'both', 'expand' => 'yes')
    $tscrollframe = Tk::Frame.new($bottomrightframe).pack('side'=>'right','fill' => 'y', 'expand' => 'no')
    $tscroll = Tk::Scrollbar.new($tscrollframe).pack('side'=>'right','fill' => 'y', 'expand' => 'no')
    $tbox.yscrollbar($tscroll)
end

#read file for display in text widget
def highlighttext(file)
    $tbox.configure('state'=>'normal')
    $tbox.delete('1.0', 'end') 
    f = open(file, 'rb')
    while(!f.eof?)
        $tbox.insert('end', f.read(1000))
    end
    f.close
    $tbox.configure('state'=>'disabled')
    $tbox.tag_configure('search', :background=>'yellow')
    sethighlight
end

#set highlight color for search term
def sethighlight
    $tbox.configure('state'=>'normal')
    $tbox.tag_remove('search', '0.0', 'end')
    return if $searchterm == ""
    cur = '1.0'
    loop {
        cur, len = $tbox.search_with_length("#{$searchterm}", cur, 'end')
        break if cur == ""
        $tbox.tag_add('search', cur, "#{cur} + #{len} char")
        cur = $tbox.index("#{cur} + #{len} char")
    }
    $tbox.configure('state'=>'disabled')
end


#about window for app
def aboutWindow
    Tk::messageBox :type => 'ok',
    :message => 'Stringscan: Text Search Tool',
    :icon => 'info', :title => 'About Stringscan',
    :detail  => "Version 1.0\n(c) 2017 Wordtech Communications LLC",
    :parent => $root
end

#check version of installed software
def checkUpdate 
    Tk.tk_call('softwareupdate::setIcon', $icon)
    Tk.tk_call('softwareupdate::checkVersion', $appname, $appversion)
end

#check version of installed software
def getReg
    Tk.tk_call('regproc::getReg')
end

#user help
def showHelp
    Tk.tk_call('machelp::userhelp')
end


end
#end of app class





































app = StringscanApp.new
Tk.mainloop