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package provide pdtk_text 0.1
# these procs are currently all in the global namespace because all of them
# are used by 'pd' and therefore need to be in the global namespace.
# create a new text object (ie. obj, msg, comment)
proc pdtk_text_new {tkcanvas tags x y text font_size color} {
$tkcanvas create text $x $y -tags $tags -text $text -fill $color \
-anchor nw -font [get_font_for_size $font_size]
set mytag [lindex $tags 0]
$tkcanvas bind $mytag <Home> "$tkcanvas icursor $mytag 0"
$tkcanvas bind $mytag <End> "$tkcanvas icursor $mytag end"
# select all
$tkcanvas bind $mytag <Triple-ButtonRelease-1> \
"pdtk_text_selectall $tkcanvas $mytag"
if {$::windowingsystem eq "aqua"} { # emacs bindings for Mac OS X
$tkcanvas bind $mytag <Control-a> "$tkcanvas icursor $mytag 0"
$tkcanvas bind $mytag <Control-e> "$tkcanvas icursor $mytag end"
}
}
# change the text in an existing text box
proc pdtk_text_set {tkcanvas tag text} {
$tkcanvas itemconfig $tag -text $text
}
# paste into an existing text box by literally "typing" the contents of the
# clipboard, i.e. send the contents one character at a time via 'pd key'
proc pdtk_pastetext {args} {
catch {set pdtk_pastebuffer [clipboard get]}
for {set i 0} {$i < [string length $pdtk_pastebuffer]} {incr i 1} {
set cha [string index $pdtk_pastebuffer $i]
scan $cha %c keynum
pdsend "pd key 1 $keynum 0"
}
}
# select all of the text in an existing text box
proc pdtk_text_selectall {tkcanvas mytag} {
if {$::editmode([winfo toplevel $tkcanvas])} {
$tkcanvas select from $mytag 0
$tkcanvas select to $mytag end
}
}
# de/activate a text box for editing based on $editing flag
proc pdtk_text_editing {mytoplevel tag editing} {
set tkcanvas [tkcanvas_name $mytoplevel]
if {$editing == 0} {selection clear $tkcanvas}
$tkcanvas focus $tag
set ::editingtext($mytoplevel) $editing
}
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