lib/tk8.4/demos/browse

   1 #!/bin/sh
   2 # the next line restarts using wish \
   3 exec wish "$0" ${1+"$@"}
   4
   5 # browse --
   6 # This script generates a directory browser, which lists the working
   7 # directory and allows you to open files or subdirectories by
   8 # double-clicking.
   9 #
  10 # RCS: @(#) $Id: browse,v 1.4 2001/11/05 10:13:53 dkf Exp $
  11
  12 # Create a scrollbar on the right side of the main window and a listbox
  13 # on the left side.
  14
  15 scrollbar .scroll -command ".list yview"
  16 pack .scroll -side right -fill y
  17 listbox .list -yscroll ".scroll set" -relief sunken -width 20 -height 20 \
  18         -setgrid yes
  19 pack .list -side left -fill both -expand yes
  20 wm minsize . 1 1
  21
  22 # The procedure below is invoked to open a browser on a given file;  if the
  23 # file is a directory then another instance of this program is invoked; if
  24 # the file is a regular file then the Mx editor is invoked to display
  25 # the file.
  26
  27 set browseScript [file join [pwd] $argv0]
  28 proc browse {dir file} {
  29     global env browseScript
  30     if {[string compare $dir "."] != 0} {set file $dir/$file}
  31     switch [file type $file] {
  32         directory {
  33             exec [info nameofexecutable] $browseScript $file &
  34         }
  35         file {
  36             if {[info exists env(EDITOR)]} {
  37                 eval exec $env(EDITOR) $file &
  38             } else {
  39                 exec xedit $file &
  40             }
  41         }
  42         default {
  43             puts stdout "\"$file\" isn't a directory or regular file"
  44         }
  45     }
  46 }
  47
  48 # Fill the listbox with a list of all the files in the directory.
  49
  50 if {$argc>0} {set dir [lindex $argv 0]} else {set dir "."}
  51 foreach i [lsort [glob * .* *.*]] {
  52     if {[file type $i] eq "directory"} {
  53         # Safe to do since it is still a directory.
  54         append i /
  55     }
  56     .list insert end $i
  57 }
  58
  59 # Set up bindings for the browser.
  60
  61 bind all <Control-c> {destroy .}
  62 bind .list <Double-Button-1> {foreach i [selection get] {browse $dir $i}}
  63
  64 # Local Variables:
  65 # mode: tcl
  66 # End: