archie/tk3.6/library/demos/browse

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2024-05-27 16:13:40 +02:00
#!/usr/local/bin/wish -f
#
# This script generates a directory browser, which lists the working
# directory and allows you to open files or subdirectories by
# double-clicking.
# Create a scrollbar on the right side of the main window and a listbox
# on the left side.
scrollbar .scroll -command ".list yview"
pack .scroll -side right -fill y
listbox .list -yscroll ".scroll set" -relief raised -geometry 20x20 \
-setgrid yes
pack .list -side left -fill both -expand yes
wm 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.
proc browse {dir file} {
global env
if {[string compare $dir "."] != 0} {set file $dir/$file}
if [file isdirectory $file] {
exec browse $file &
} else {
if [file isfile $file] {
if [info exists env(EDITOR)] {
eval exec $env(EDITOR) $file &
} else {
exec xedit $file &
}
} else {
puts stdout "\"$file\" isn't a directory or regular file"
}
}
}
# Fill the listbox with a list of all the files in the directory (run
# the "ls" command to get that information).
if $argc>0 {set dir [lindex $argv 0]} else {set dir "."}
foreach i [exec ls -a $dir] {
.list insert end $i
}
# Set up bindings for the browser.
bind .list <Control-q> {destroy .}
bind .list <Control-c> {destroy .}
focus .list
bind .list <Double-Button-1> {foreach i [selection get] {browse $dir $i}}