summaryrefslogtreecommitdiff
path: root/jni/ruby/ext/tk/sample/demos-en/browse1
diff options
context:
space:
mode:
authorJari Vetoniemi <jari.vetoniemi@indooratlas.com>2020-03-16 18:49:26 +0900
committerJari Vetoniemi <jari.vetoniemi@indooratlas.com>2020-03-30 00:39:06 +0900
commitfcbf63e62c627deae76c1b8cb8c0876c536ed811 (patch)
tree64cb17de3f41a2b6fef2368028fbd00349946994 /jni/ruby/ext/tk/sample/demos-en/browse1
Fresh start
Diffstat (limited to 'jni/ruby/ext/tk/sample/demos-en/browse1')
-rw-r--r--jni/ruby/ext/tk/sample/demos-en/browse163
1 files changed, 63 insertions, 0 deletions
diff --git a/jni/ruby/ext/tk/sample/demos-en/browse1 b/jni/ruby/ext/tk/sample/demos-en/browse1
new file mode 100644
index 0000000..568892e
--- /dev/null
+++ b/jni/ruby/ext/tk/sample/demos-en/browse1
@@ -0,0 +1,63 @@
+#!/usr/bin/env 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