#!/tools/tk-3.6/bin/wish -f
#
# /config/xdm/host_select	installed as
# /tools/nfs.common/X11.local/lib/host_select
# and /tools/Xncd/xdm/host_select on v3 and v4
# and /usr/local/X11/lib/host_select on LOCALSERVERS.
#
# Note that we call the old version of tk that understands 'geometry'.
# tk-3.6 is available on all our hosts.  On solaris, though, it whines
# on stderr about the version of libX11.so.  rickm July 1998.
#
# NOTICE: Do not edit the copy of this file that is installed!
# Any changes will be lost when it is overwritten by the master copy.
#
# Program: main
# Tcl version: 6.7 (Tcl/Tk/XF)
# Tk version: 3.2
# XF version: 2.2
#

# module inclusion
global env
global xfLoadPath
global xfLoadInfo
set xfLoadInfo 0
if {[info exists env(XF_LOAD_PATH)]} {
  if {[string first $env(XF_LOAD_PATH) /usr/local/lib/] == -1} {
    set xfLoadPath $env(XF_LOAD_PATH):/usr/local/lib/
  } {
    set xfLoadPath /usr/local/lib/
  }
} {
  set xfLoadPath /usr/local/lib/
}

global argc
global argv
global tkVersion
set tmpArgv ""
for {set counter 0} {$counter < $argc} {incr counter 1} {
  case [string tolower [lindex $argv $counter]] in {
    {-xfloadpath} {
      incr counter 1
      set xfLoadPath "[lindex $argv $counter]:$xfLoadPath"
    }
    {-xfstartup} {
      incr counter 1
      source [lindex $argv $counter]
    }
    {-xfbindfile} {
      incr counter 1
      set env(XF_BIND_FILE) "[lindex $argv $counter]"
    }
    {-xfcolorfile} {
      incr counter 1
      set env(XF_COLOR_FILE) "[lindex $argv $counter]"
    }
    {-xfcursorfile} {
      incr counter 1
      set env(XF_CURSOR_FILE) "[lindex $argv $counter]"
    }
    {-xffontfile} {
      incr counter 1
      set env(XF_FONT_FILE) "[lindex $argv $counter]"
    }
    {-xfmodelmono} {
      if {$tkVersion >= 3.0} {
        tk colormodel . monochrome
      }
    }
    {-xfmodelcolor} {
      if {$tkVersion >= 3.0} {
        tk colormodel . color
      }
    }
    {-xfloading} {
      set xfLoadInfo 1
    }
    {-xfnoloading} {
      set xfLoadInfo 0
    }
    {default} {
      lappend tmpArgv [lindex $argv $counter]
    }
  }
}
set argv $tmpArgv
set argc [llength $tmpArgv]
unset counter
unset tmpArgv


# procedure to show window .
proc ShowWindow. {args} {# xf ignore me 7

  # Window manager configurations
  global tkVersion
  wm positionfrom . user
  wm sizefrom . ""
  wm maxsize . 1024 800
  wm title . {Host Selector}


  # build widget .button0
  button .button0 \
    -command {exit} \
    -text {Cancel}

  # build widget .button1
  button .button1 \
    -command {puts stdout $preferred_host
exit} \
    -text {se.cs.umb.edu} \
    -textvariable {preferred_host}

  # build widget .frame
  frame .frame

  # build widget .frame.scrollbar2
  scrollbar .frame.scrollbar2 \
    -command {.frame.listbox1 yview} \
    -relief {raised}

  # build widget .frame.listbox1
  listbox .frame.listbox1 \
    -geometry {22x10} \
    -relief {raised} \
    -yscrollcommand {.frame.scrollbar2 set}
  # bindings
  bind .frame.listbox1 <B1-Motion> {%W select from [%W nearest %y]}
  bind .frame.listbox1 <ButtonRelease-1> {set preferred_host [.frame.listbox1 get       [.frame.listbox1 curselection]]}
  bind .frame.listbox1 <Double-Button-1> {puts stdout $preferred_host
exit 0}
  bind .frame.listbox1 <Shift-B1-Motion> {%W select from [%W nearest %y]}
  bind .frame.listbox1 <Shift-Button-1> {%W select from [%W nearest %y]}

  # pack widget .frame
  pack append .frame \
    .frame.scrollbar2 {left frame center filly} \
    .frame.listbox1 {top frame center expand fill}

  # build widget .message0
  message .message0 \
    -aspect {1500} \
    -justify {left} \
    -padx {5} \
    -pady {2} \
    -relief {raised} \
    -text {Select your main computing host by
clicking on the default button, 
(immediately below) or double 
clicking on the host in
the listbox.}

  # pack widget .
  pack append . \
    .message0 {top frame center padx 9 fillx} \
    .button1 {top frame center pady 25} \
    .frame {top frame center expand fill} \
    .button0 {top frame center pady 51}

  .frame.listbox1 insert end {math.umb.edu}
  .frame.listbox1 insert end {u5.cs.umb.edu}
  .frame.listbox1 insert end {u6.cs.umb.edu}
  .frame.listbox1 insert end {u7.cs.umb.edu}
  .frame.listbox1 insert end {u8.cs.umb.edu}
  .frame.listbox1 insert end {u15.cs.umb.edu}
  .frame.listbox1 insert end {u18.cs.umb.edu}
  .frame.listbox1 insert end {u19.cs.umb.edu}
  .frame.listbox1 insert end {u20.cs.umb.edu}
  .frame.listbox1 insert end {claude.cs.umb.edu}
  .frame.listbox1 insert end {eris.cs.umb.edu}
  .frame.listbox1 insert end {hub.cs.umb.edu}
  .frame.listbox1 insert end {jj.cs.umb.edu}
  .frame.listbox1 insert end {ulab.cs.umb.edu}

  if {"[info procs XFEdit]" != ""} {
    catch "XFMiscBindWidgetTree .xfInfoProc"
    after 2 "catch {XFEditSetShowWindows}"
  }
}


# User defined procedures


# Internal procedures


# Procedure: Alias
if {"[info procs Alias]" == ""} {
proc Alias { args} {
# xf ignore me 7
##########
# Procedure: Alias
# Description: establish an alias for a procedure
# Arguments: args - no argument means that a list of all aliases
#                   is returned. Otherwise the first parameter is
#                   the alias name, and the second parameter is
#                   the procedure that is aliased.
# Returns: nothing, the command that is bound to the alias or a
#          list of all aliases - command pairs. 
# Sideeffects: internalAliasList is updated, and the alias
#              proc is inserted
##########
  global internalAliasList

  if {[llength $args] == 0} {
    return $internalAliasList
  } {
    if {[llength $args] == 1} {
      set xfTmpIndex [lsearch $internalAliasList "[lindex $args 0] *"]
      if {$xfTmpIndex != -1} {
        return [lindex [lindex $internalAliasList $xfTmpIndex] 1]
      }
    } {
      if {[llength $args] == 2} {
        eval "proc [lindex $args 0] {args} {#xf ignore me 4
return \[eval \"[lindex $args 1] \$args\"\]}"
        set xfTmpIndex [lsearch $internalAliasList "[lindex $args 0] *"]
        if {$xfTmpIndex != -1} {
          set internalAliasList [lreplace $internalAliasList $xfTmpIndex $xfTmpIndex "[lindex $args 0] [lindex $args 1]"]
        } {
          lappend internalAliasList "[lindex $args 0] [lindex $args 1]"
        }
      } {
        error "Alias: wrong number or args: $args"
      }
    }
  }
}
}


# Procedure: GetSelection
if {"[info procs GetSelection]" == ""} {
proc GetSelection {} {
# xf ignore me 7
##########
# Procedure: GetSelection
# Description: get current selection
# Arguments: none
# Returns: none
# Sideeffects: none
##########

  # the save way
  set xfSelection ""
  catch "selection get" xfSelection
  if {"$xfSelection" == "selection doesn't exist or form \"STRING\" not defined"} {
    return ""
  } {
    return $xfSelection
  }
}
}


# Procedure: MenuPopupAdd
if {"[info procs MenuPopupAdd]" == ""} {
proc MenuPopupAdd { xfW xfButton xfMenu {xfModifier ""} {xfCanvasTag ""}} {
# xf ignore me 7
# the popup menu handling is from (I already gave up with popup handling :-):
#
# Copyright 1991,1992 by James Noble.
# Everyone is granted permission to copy, modify and redistribute.
# This notice must be preserved on all copies or derivates.
#
##########
# Procedure: MenuPopupAdd
# Description: attach a popup menu to widget
# Arguments: xfW - the widget
#            xfButton - the button we use
#            xfMenu - the menu to attach
#            {xfModifier} - a optional modifier
#            {xfCanvasTag} - a canvas tagOrId
# Returns: none
# Sideeffects: none
##########
  global tk_popupPriv

  set tk_popupPriv($xfMenu,focus) ""
  set tk_popupPriv($xfMenu,grab) ""
  if {"$xfModifier" != ""} {
    set press "$xfModifier-"
    set motion "$xfModifier-"
    set release "Any-"
  } {
    set press ""
    set motion ""
    set release ""
  }

  bind $xfMenu "<${motion}B${xfButton}-Motion>"     "MenuPopupMotion $xfMenu %W %X %Y"
  bind $xfMenu "<${release}ButtonRelease-${xfButton}>"     "MenuPopupRelease $xfMenu %W"
  if {"$xfCanvasTag" == ""} {
    bind $xfW "<${press}ButtonPress-${xfButton}>"       "MenuPopupPost $xfMenu %X %Y"
    bind $xfW "<${release}ButtonRelease-${xfButton}>"       "MenuPopupRelease $xfMenu %W"
  } {
    $xfW bind $xfCanvasTag "<${press}ButtonPress-${xfButton}>"       "MenuPopupPost $xfMenu %X %Y"
    $xfW bind $xfCanvasTag "<${release}ButtonRelease-${xfButton}>"       "MenuPopupRelease $xfMenu %W"
  }
}
}


# Procedure: MenuPopupMotion
if {"[info procs MenuPopupMotion]" == ""} {
proc MenuPopupMotion { xfMenu xfW xfX xfY} {
# xf ignore me 7
##########
# Procedure: MenuPopupMotion
# Description: handle the popup menu motion
# Arguments: xfMenu - the topmost menu
#            xfW - the menu
#            xfX - the root x coordinate
#            xfY - the root x coordinate
# Returns: none
# Sideeffects: none
##########
  global tk_popupPriv

  if {"[info commands $xfW]" != "" && [winfo ismapped $xfW] &&
      "[winfo class $xfW]" == "Menu" &&
      [info exists tk_popupPriv($xfMenu,focus)] &&
      "$tk_popupPriv($xfMenu,focus)" != "" &&
      [info exists tk_popupPriv($xfMenu,grab)] &&
      "$tk_popupPriv($xfMenu,grab)" != ""} {
    set xfPopMinX [winfo rootx $xfW]
    set xfPopMaxX [expr $xfPopMinX+[winfo width $xfW]]
    if {$xfX >= $xfPopMinX && $xfX <= $xfPopMaxX} {
      $xfW activate @[expr $xfY-[winfo rooty $xfW]]
      if {![catch "$xfW entryconfig @[expr $xfY-[winfo rooty $xfW]] -menu" result]} {
        if {"[lindex $result 4]" != ""} {
          foreach binding [bind $xfMenu] {
            bind [lindex $result 4] $binding [bind $xfMenu $binding]
          }
        }
      }
    } {
      $xfW activate none
    }
  }
}
}


# Procedure: MenuPopupPost
if {"[info procs MenuPopupPost]" == ""} {
proc MenuPopupPost { xfMenu xfX xfY} {
# xf ignore me 7
##########
# Procedure: MenuPopupPost
# Description: post the popup menu
# Arguments: xfMenu - the menu
#            xfX - the root x coordinate
#            xfY - the root x coordinate
# Returns: none
# Sideeffects: none
##########
  global tk_popupPriv

  if {"[info commands $xfMenu]" != ""} {
    if {![info exists tk_popupPriv($xfMenu,focus)]} {
      set tk_popupPriv($xfMenu,focus) [focus]
    } {
      if {"$tk_popupPriv($xfMenu,focus)" == ""} {
        set tk_popupPriv($xfMenu,focus) [focus]
      }
    }
    set tk_popupPriv($xfMenu,grab) $xfMenu

    catch "$xfMenu activate none"
    catch "$xfMenu post $xfX $xfY"
    catch "focus $xfMenu"
    catch "grab -global $xfMenu"
  }
}
}


# Procedure: MenuPopupRelease
if {"[info procs MenuPopupRelease]" == ""} {
proc MenuPopupRelease { xfMenu xfW} {
# xf ignore me 7
##########
# Procedure: MenuPopupRelease
# Description: remove the popup menu
# Arguments: xfMenu - the topmost menu widget
#            xfW - the menu widget
# Returns: none
# Sideeffects: none
##########
  global tk_popupPriv
  global tkVersion

  if {"[info commands $xfW]" != "" && [winfo ismapped $xfW] &&
      "[winfo class $xfW]" == "Menu" &&
      [info exists tk_popupPriv($xfMenu,focus)] &&
      "$tk_popupPriv($xfMenu,focus)" != "" &&
      [info exists tk_popupPriv($xfMenu,grab)] &&
      "$tk_popupPriv($xfMenu,grab)" != ""} {
    if {$tkVersion >= 3.0} {
      catch "grab release $tk_popupPriv($xfMenu,grab)"
    } {
      catch "grab none"
    }
    catch "focus $tk_popupPriv($xfMenu,focus)"
    set tk_popupPriv($xfMenu,focus) ""
    set tk_popupPriv($xfMenu,grab) ""
    if {"[$xfW index active]" != "none"} {
      $xfW invoke active; catch "$xfMenu unpost"
    }
  }
  catch "$xfMenu unpost"
}
}


# Procedure: NoFunction
if {"[info procs NoFunction]" == ""} {
proc NoFunction { args} {
# xf ignore me 7
##########
# Procedure: NoFunction
# Description: do nothing (especially with scales and scrollbars)
# Arguments: args - a number of ignored parameters
# Returns: none
# Sideeffects: none
##########
}
}


# Procedure: SN
if {"[info procs SN]" == ""} {
proc SN { {xfName ""}} {
# xf ignore me 7
##########
# Procedure: SN
# Description: map a symbolic name to the widget path
# Arguments: xfName
# Returns: the symbolic name
# Sideeffects: none
##########

  SymbolicName $xfName
}
}


# Procedure: SymbolicName
if {"[info procs SymbolicName]" == ""} {
proc SymbolicName { {xfName ""}} {
# xf ignore me 7
##########
# Procedure: SymbolicName
# Description: map a symbolic name to the widget path
# Arguments: xfName
# Returns: the symbolic name
# Sideeffects: none
##########

  global symbolicName

  if {"$xfName" != ""} {
    set xfArrayName ""
    append xfArrayName symbolicName ( $xfName )
    if {![catch "set \"$xfArrayName\"" xfValue]} {
      return $xfValue
    } {
      if {"[info commands XFProcError]" != ""} {
        XFProcError "Unknown symbolic name:\n$xfName"
      } {
        puts stderr "XF error: unknown symbolic name:\n$xfName"
      }
    }
  }
  return ""
}
}


# Procedure: Unalias
if {"[info procs Unalias]" == ""} {
proc Unalias { aliasName} {
# xf ignore me 7
##########
# Procedure: Unalias
# Description: remove an alias for a procedure
# Arguments: aliasName - the alias name to remove
# Returns: none
# Sideeffects: internalAliasList is updated, and the alias
#              proc is removed
##########
  global internalAliasList

  set xfIndex [lsearch $internalAliasList "$aliasName *"]
  if {$xfIndex != -1} {
    rename $aliasName ""
    set internalAliasList [lreplace $internalAliasList $xfIndex $xfIndex]
  }
}
}



# application parsing procedure
proc XFLocalParseAppDefs {xfAppDefFile} {
  global xfAppDefaults

  # basically from: Michael Moore
  if {[file exists $xfAppDefFile] &&
      [file readable $xfAppDefFile] &&
      "[file type $xfAppDefFile]" == "link"} {
    catch "file type $xfAppDefFile" xfType
    while {"$xfType" == "link"} {
      if {[catch "file readlink $xfAppDefFile" xfAppDefFile]} {
        return
      }
      catch "file type $xfAppDefFile" xfType
    }
  }
  if {!("$xfAppDefFile" != "" &&
        [file exists $xfAppDefFile] &&
        [file readable $xfAppDefFile] &&
        "[file type $xfAppDefFile]" == "file")} {
    return
  }
  if {![catch "open $xfAppDefFile r" xfResult]} {
    set xfAppFileContents [read $xfResult]
    close $xfResult
    foreach line [split $xfAppFileContents "\n"] {
      # backup indicates how far to backup.  It applies to the
      # situation where a resource name ends in . and when it
      # ends in *.  In the second case you want to keep the *
      # in the widget name for pattern matching, but you want
      # to get rid of the . if it is the end of the name. 
      set backup -2  
      set line [string trim $line]
      if {[string index $line 0] == "#" || "$line" == ""} {
        # skip comments and empty lines
        continue
      }
      set list [split $line ":"]
      set resource [string trim [lindex $list 0]]
      set i [string last "." $resource]
      set j [string last "*" $resource]
      if {$j > $i} { 
        set i $j
        set backup -1
      }
      incr i
      set name [string range $resource $i end]
      incr i $backup
      set widname [string range $resource 0 $i]
      set value [string trim [lindex $list 1]]
      if {"$widname" != "" && "$widname" != "*"} {
        # insert the widget and resourcename to the application
        # defaults list.
        set xfAppDefaults($widname:[string tolower $name]) $value
      }
    }
  }
}

# application loading procedure
proc XFLocalLoadAppDefs {{xfClasses ""} {xfPriority "startupFile"} {xfAppDefFile ""}} {
  global env

  if {"$xfAppDefFile" == ""} {
    set xfFileList ""
    if {[info exists env(XUSERFILESEARCHPATH)]} {
      append xfFileList [split $env(XUSERFILESEARCHPATH) :]
    }
    if {[info exists env(XAPPLRESDIR)]} {
      append xfFileList [split $env(XAPPLRESDIR) :]
    }
    if {[info exists env(XFILESEARCHPATH)]} {
      append xfFileList [split $env(XFILESEARCHPATH) :]
    }
    append xfFileList " /usr/lib/X11/app-defaults"
    append xfFileList " /usr/X11/lib/X11/app-defaults"

    foreach xfCounter1 $xfClasses {
      foreach xfCounter2 $xfFileList {
        set xfPathName $xfCounter2
        if {[regsub -all "%N" "$xfPathName" "$xfCounter1" xfResult]} {
          set xfPathName $xfResult
        }
        if {[regsub -all "%T" "$xfPathName" "app-defaults" xfResult]} {
          set xfPathName $xfResult
        }
        if {[regsub -all "%S" "$xfPathName" "" xfResult]} {
          set xfPathName $xfResult
        }
        if {[regsub -all "%C" "$xfPathName" "" xfResult]} {
          set xfPathName $xfResult
        }
        if {[file exists $xfPathName] &&
            [file readable $xfPathName] &&
            ("[file type $xfPathName]" == "file" ||
             "[file type $xfPathName]" == "link")} {
          catch "option readfile $xfPathName $xfPriority"
          if {"[info commands XFParseAppDefs]" != ""} {
            XFParseAppDefs $xfPathName
          } {
            if {"[info commands XFLocalParseAppDefs]" != ""} {
              XFLocalParseAppDefs $xfPathName
            }
          }
        } {
          if {[file exists $xfCounter2/$xfCounter1] &&
              [file readable $xfCounter2/$xfCounter1] &&
              ("[file type $xfCounter2/$xfCounter1]" == "file" ||
               "[file type $xfCounter2/$xfCounter1]" == "link")} {
            catch "option readfile $xfCounter2/$xfCounter1 $xfPriority"
            if {"[info commands XFParseAppDefs]" != ""} {
              XFParseAppDefs $xfCounter2/$xfCounter1
            } {
              if {"[info commands XFLocalParseAppDefs]" != ""} {
                XFLocalParseAppDefs $xfCounter2/$xfCounter1
              }
            }
          }
        }
      }
    }
  } {
    # load a specific application defaults file
    if {[file exists $xfAppDefFile] &&
        [file readable $xfAppDefFile] &&
        ("[file type $xfAppDefFile]" == "file" ||
         "[file type $xfAppDefFile]" == "link")} {
      catch "option readfile $xfAppDefFile $xfPriority"
      if {"[info commands XFParseAppDefs]" != ""} {
        XFParseAppDefs $xfAppDefFile
      } {
        if {"[info commands XFLocalParseAppDefs]" != ""} {
          XFLocalParseAppDefs $xfAppDefFile
        }
      }
    }
  }
}

# application setting procedure
proc XFLocalSetAppDefs {{xfWidgetPath "."}} {
  global xfAppDefaults

  if {![info exists xfAppDefaults]} {
    return
  }
  foreach xfCounter [array names xfAppDefaults] {
    if {[string match "${xfWidgetPath}*" $xfCounter]} {
      set widname [string range $xfCounter 0 [expr [string first : $xfCounter]-1]]
      set name [string range $xfCounter [expr [string first : $xfCounter]+1] end]
      # Now lets see how many tcl commands match the name
      # pattern specified.
      set widlist [info command $widname]
      if {"$widlist" != ""} {
        foreach widget $widlist {
          # make sure this command is a widget.
          if {![catch "winfo id $widget"]} {
            catch "$widget configure -[string tolower $name] $xfAppDefaults($xfCounter)" 
          }
        }
      }
    }
  }
}



# end source
proc EndSrc {} {
global argc
global argv
global preferred_host

if { $argc == 1 } then {
   set preferred_host  "$argv"
   .frame.listbox1 insert 0 "$argv"
}
}

# prepare auto loading
global auto_path
global tk_library
global xfLoadPath
foreach xfElement [eval list [split $xfLoadPath :] $auto_path] {
  if {[file exists $xfElement/tclIndex]} {
    lappend auto_path $xfElement
  }
}
catch "unset auto_index"

catch "unset auto_oldpath"

catch "unset auto_execs"


# initialize global variables
proc InitGlobals {} {
  global {preferred_host}
  set {preferred_host} {se.cs.umb.edu}

  # please don't modify the following
  # variables. They are needed by xf.
  global {autoLoadList}
  set {autoLoadList(main.tcl)} {0}
  global {internalAliasList}
  set {internalAliasList} {}
  global {moduleList}
  set {moduleList(main.tcl)} {}
  global {preloadList}
  set {preloadList(xfInternal)} {}
  global {symbolicName}
  set {symbolicName(root)} {.}
  global {xfWmSetPosition}
  set {xfWmSetPosition} {}
  global {xfWmSetSize}
  set {xfWmSetSize} {}
  global {xfAppDefToplevels}
  set {xfAppDefToplevels} {}
}

# initialize global variables
InitGlobals

# display/remove toplevel windows.
ShowWindow.

# load default bindings.
if {[info exists env(XF_BIND_FILE)] &&
    "[info procs XFShowHelp]" == ""} {
  source $env(XF_BIND_FILE)
}

# parse and apply application defaults.
XFLocalLoadAppDefs Main
XFLocalSetAppDefs

# end source
EndSrc

# eof
#

