80 lines
1.7 KiB
Ruby
80 lines
1.7 KiB
Ruby
#!/usr/bin/env ruby
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#
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# This script generates a directory browser, which lists the working
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# directory and allows you to open files or subdirectories by
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# double-clicking.
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# Create a scrollbar on the right side of the main window and a listbox
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# on the left side.
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require "tkscrollbox"
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# The procedure below is invoked to open a browser on a given file; if the
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# file is a directory then another instance of this program is invoked; if
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# the file is a regular file then the Mx editor is invoked to display
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# the file.
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$dirlist = {}
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def browsedir (dir)
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if $dirlist.key? dir
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$dirlist[dir]
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else
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top = if $dirlist.size > 0 then TkToplevel.new else nil end
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list = TkScrollbox.new(top) {
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relief 'raised'
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width 20
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height 20
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setgrid 'yes'
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pack
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}
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list.insert 'end', *`ls #{dir}`.split
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# Set up bindings for the browser.
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list.focus
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list.bind "Control-q", proc{exit}
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list.bind "Control-c", proc{exit}
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list.bind "Control-p", proc{
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print "selection <", TkSelection.get, ">\n"
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}
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list.bind "Double-Button-1", proc{
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for i in TkSelection.get.split
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print "clicked ", i, "\n"
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browse dir, i
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end
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}
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$dirlist[dir] = list
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end
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end
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def browse (dir, file)
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file="#{dir}/#{file}"
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if File.directory? file
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browsedir(file)
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else
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if File.file? file
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if ENV['EDITOR']
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system format("%s %s&", ENV['EDITOR'], file)
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else
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system "xedit #{file}&"
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end
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else
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STDERR.print "\"#{file}\" isn't a directory or regular file"
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end
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end
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end
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# Fill the listbox with a list of all the files in the directory (run
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# the "ls" command to get that information).
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if ARGV.length>0
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dir = ARGV[0]
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else
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dir="."
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end
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browsedir(dir)
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Tk.mainloop
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