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Diffstat (limited to 'ext/tk/sample/demos-jp/browse1')
-rw-r--r-- | ext/tk/sample/demos-jp/browse1 | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/ext/tk/sample/demos-jp/browse1 b/ext/tk/sample/demos-jp/browse1 new file mode 100644 index 0000000000..6bb8fb35ca --- /dev/null +++ b/ext/tk/sample/demos-jp/browse1 @@ -0,0 +1,63 @@ +#!/usr/local/bin/ruby + +# browse -- +# This script generates a directory browser, which lists the working +# directory and allow you to open files or subdirectories by +# double-clicking. + +require 'tk' + +# Create a scrollbar on the right side of the main window and a listbox +# on the left side. + +listbox = TkListbox.new(nil, 'relief'=>'sunken', + 'width'=>20, 'height'=>20, 'setgrid'=>'yes') {|l| + TkScrollbar.new(nil, 'command'=>proc{|*args| l.yview *args}) {|s| + pack('side'=>'right', 'fill'=>'y') + l.yscrollcommand(proc{|first,last| s.set(first,last)}) + } + + pack('side'=>'left', 'fill'=>'both', 'expand'=>'yes') +} + +root = TkRoot.new +root.minsize(1,1) + +# The procedure below is invoked to open a browser on a given file; if the +# file is a directory then another instance of this program is invoked; if +# the file is a regular file then the Mx editor is invoked to display +# the file. + +def browse (dir, file) + file = dir + File::Separator + file if dir != '.' + type = File.ftype(file) + if type == 'directory' + system($0 + ' ' + file + ' &') + else + if type == 'file' + if ENV['EDITOR'] + system(ENV['EDITOR'] + ' ' + file + ' &') + else + system('xedit ' + file + ' &') + end + else + STDOUT.print "\"#{file}\" isn't a directory or regular file" + end + end +end + +# Fill the listbox with a list of all the files in the directory (run +# the "ls" command to get that information). + +dir = ARGV[0] ? ARGV[0] : '.' +open("|ls -a #{dir}", 'r'){|fid| fid.readlines}.each{|fname| + listbox.insert('end', fname.chomp) +} + +# Set up bindings for the browser. + +Tk.bind_all('Control-c', proc{root.destroy}) +listbox.bind('Double-Button-1', + proc{TkSelection.get.each{|f| browse dir, f}}) + +Tk.mainloop |