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package require tkdnd
catch {console show}
set filename [file normalize [info script]]
##
## Drag source
##
pack [ttk::button .drag_source -text " Drag Source (Ttk widget)"] \
-fill x -padx 20 -pady 20
pack [button .drag_source_tk -text " Drag Source (Tk widget)"] \
-fill x -padx 20 -pady 20
tkdnd::drag_source register .drag_source
tkdnd::drag_source register .drag_source_tk
## Event <<DragInitCmd>>
bind .drag_source <<DragInitCmd>> my_data
bind .drag_source_tk <<DragInitCmd>> my_data
proc my_data {} {
list copy [list \
DND_HTML {<html><p>Some nice HTML text!</p></html>} \
DND_Text {Some nice dropped text!} \
DND_Files [list $::filename $::filename] \
]
};# my_data
proc my_drop {w type data action} {
puts "Data drop ($type): \"$data\""
$w state !active
return $action
};# my_drop
##
## Drop targets
##
foreach type {DND_HTML DND_Text DND_Files} {
set w [ttk::button .drop_target$type -text " Drop Target ($type) "]
pack $w -fill x -padx 20 -pady 20
tkdnd::drop_target register $w $type
bind $w <<DropEnter>> {%W state active}
bind $w <<DropLeave>> {%W state !active}
bind $w <<Drop>> [list my_drop %W %CPT %D %A]
# bind $w <<DropPosition>> {puts "Common types: %CTT"; return copy}
}
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