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# This plug generates a menu tree for selecting objects from a single
# structured textfile. The format of the textfile is nested Tcl lists
# defined using {} brackets.
package require pd_menus
namespace eval category_menu {
}
proc category_menu::load_menutree {} {
# load object -> tags mapping from file in Pd's path
set testfile [file join $::current_plugin_loadpath menutree.tcl]
set f [open $testfile]
set menutree [read $f]
# set menutree [regsub -all {([\{\s])\-([\s\}])} [read $f] {\1\\\\-\2}]
close $f
unset f
return $menutree
}
proc category_menu::create {mymenu} {
set menutree [load_menutree]
$mymenu add separator
foreach categorylist $menutree {
set category [lindex $categorylist 0]
menu $mymenu.$category
$mymenu add cascade -label $category -menu $mymenu.$category
foreach subcategorylist [lrange $categorylist 1 end] {
set subcategory [lrange $subcategorylist 0 end-1]
menu $mymenu.$category.$subcategory
$mymenu.$category add cascade -label $subcategory -menu $mymenu.$category.$subcategory
foreach item [lindex $subcategorylist end] {
# replace the normal dash with a Unicode minus so that Tcl doesn't
# interpret the dash in the -label to make it a separator
$mymenu.$category.$subcategory add command \
-label [regsub -all {^\-$} $item {−}] \
-command \
"pdsend \"\$::focused_window obj \$::popup_xcanvas \$::popup_ycanvas $item\""
}
}
}
}
category_menu::create .popup
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