FM / demos

/usr/share/tk8.6/demos

Name	Size	Mode	Actions
images/	-	0755	rm
anilabel.tcl	6670	0644	edit dl rm
aniwave.tcl	3494	0644	edit dl rm
arrow.tcl	7984	0644	edit dl rm
bind.tcl	2948	0644	edit dl rm
bitmap.tcl	1411	0644	edit dl rm
browse	1758	0755	edit dl rm
button.tcl	1504	0644	edit dl rm
check.tcl	2278	0644	edit dl rm
clrpick.tcl	1431	0644	edit dl rm
colors.tcl	4995	0644	edit dl rm
combo.tcl	1963	0644	edit dl rm
cscroll.tcl	3389	0644	edit dl rm
ctext.tcl	6019	0644	edit dl rm
dialog1.tcl	660	0644	edit dl rm
dialog2.tcl	613	0644	edit dl rm
en.msg	3867	0644	edit dl rm
entry1.tcl	1385	0644	edit dl rm
entry2.tcl	2081	0644	edit dl rm
entry3.tcl	6104	0644	edit dl rm
filebox.tcl	2351	0644	edit dl rm
floor.tcl	79108	0644	edit dl rm
fontchoose.tcl	1752	0644	edit dl rm
form.tcl	1046	0644	edit dl rm
goldberg.tcl	56556	0644	edit dl rm
hello	512	0755	edit dl rm
hscale.tcl	1497	0644	edit dl rm
icon.tcl	2063	0644	edit dl rm
image1.tcl	1002	0644	edit dl rm
image2.tcl	3352	0644	edit dl rm
items.tcl	10133	0644	edit dl rm
ixset	8068	0755	edit dl rm
knightstour.tcl	9140	0644	edit dl rm
label.tcl	1379	0644	edit dl rm
labelframe.tcl	1847	0644	edit dl rm
license.terms	2267	0644	edit dl rm
mclist.tcl	4357	0644	edit dl rm
menu.tcl	6778	0644	edit dl rm
menubu.tcl	4476	0644	edit dl rm
msgbox.tcl	1998	0644	edit dl rm
nl.msg	6750	0644	edit dl rm
paned1.tcl	1110	0644	edit dl rm
paned2.tcl	2244	0644	edit dl rm
pendulum.tcl	7596	0644	edit dl rm
plot.tcl	2758	0644	edit dl rm
puzzle.tcl	2596	0644	edit dl rm
radio.tcl	2752	0644	edit dl rm
README	2082	0644	edit dl rm
rmt	5319	0755	edit dl rm
rolodex	8300	0755	edit dl rm
ruler.tcl	5211	0644	edit dl rm
sayings.tcl	2273	0644	edit dl rm
search.tcl	4403	0644	edit dl rm
spin.tcl	1820	0644	edit dl rm
states.tcl	2048	0644	edit dl rm
style.tcl	6943	0644	edit dl rm
tclIndex	4354	0644	edit dl rm
tcolor	11250	0755	edit dl rm
text.tcl	4267	0644	edit dl rm
textpeer.tcl	2188	0644	edit dl rm
timer	1095	0755	edit dl rm
toolbar.tcl	3264	0644	edit dl rm
tree.tcl	3162	0644	edit dl rm
ttkbut.tcl	3405	0644	edit dl rm
ttkmenu.tcl	2391	0644	edit dl rm
ttknote.tcl	2317	0644	edit dl rm
ttkpane.tcl	4172	0644	edit dl rm
ttkprogress.tcl	1536	0644	edit dl rm
ttkscale.tcl	1420	0644	edit dl rm
twind.tcl	11045	0644	edit dl rm
unicodeout.tcl	4399	0644	edit dl rm
vscale.tcl	1477	0644	edit dl rm
widget	23267	0755	edit dl rm

Edit: /usr/share/tk8.6/demos/ctext.tcl (6019B)

# ctext.tcl --
#
# This demonstration script creates a canvas widget with a text
# item that can be edited and reconfigured in various ways.

if {![info exists widgetDemo]} {
    error "This script should be run from the \"widget\" demo."
}

package require Tk

set w .ctext
catch {destroy $w}
toplevel $w
wm title $w "Canvas Text Demonstration"
wm iconname $w "Text"
positionWindow $w
set c $w.c

label $w.msg -font $font -wraplength 5i -justify left -text "This window displays a string of text to demonstrate the text facilities of canvas widgets.  You can click in the boxes to adjust the position of the text relative to its positioning point or change its justification, and on a pie slice to change its angle.  The text also supports the following simple bindings for editing:
  1. You can point, click, and type.
  2. You can also select with button 1.
  3. You can copy the selection to the mouse position with button 2.
  4. Backspace and Control+h delete the selection if there is one;
     otherwise they delete the character just before the insertion cursor.
  5. Delete deletes the selection if there is one; otherwise it deletes
     the character just after the insertion cursor."
pack $w.msg -side top

## See Code / Dismiss buttons
set btns [addSeeDismiss $w.buttons $w]
pack $btns -side bottom -fill x

canvas $c -relief flat -borderwidth 0 -width 500 -height 350
pack $w.c -side top -expand yes -fill both

set textFont {Helvetica 24}

$c create rectangle 245 195 255 205 -outline black -fill red

# First, create the text item and give it bindings so it can be edited.

$c addtag text withtag [$c create text 250 200 -text "This is just a string of text to demonstrate the text facilities of canvas widgets. Bindings have been been defined to support editing (see above)." -width 440 -anchor n -font $textFont -justify left]
$c bind text <1> "textB1Press $c %x %y"
$c bind text <B1-Motion> "textB1Move $c %x %y"
$c bind text <Shift-1> "$c select adjust current @%x,%y"
$c bind text <Shift-B1-Motion> "textB1Move $c %x %y"
$c bind text <KeyPress> "textInsert $c %A"
$c bind text <Return> "textInsert $c \\n"
$c bind text <Control-h> "textBs $c"
$c bind text <BackSpace> "textBs $c"
$c bind text <Delete> "textDel $c"
$c bind text <2> "textPaste $c @%x,%y"

# Next, create some items that allow the text's anchor position
# to be edited.

proc mkTextConfigBox {w x y option value color} {
    set item [$w create rect $x $y [expr {$x+30}] [expr {$y+30}] \
	    -outline black -fill $color -width 1]
    $w bind $item <1> "$w itemconf text $option $value"
    $w addtag config withtag $item
}
proc mkTextConfigPie {w x y a option value color} {
    set item [$w create arc $x $y [expr {$x+90}] [expr {$y+90}] \
	    -start [expr {$a-15}] -extent 30 -outline black -fill $color \
	    -width 1]
    $w bind $item <1> "$w itemconf text $option $value"
    $w addtag config withtag $item
}

set x 50
set y 50
set color LightSkyBlue1
mkTextConfigBox $c $x $y -anchor se $color
mkTextConfigBox $c [expr {$x+30}] [expr {$y   }] -anchor s      $color
mkTextConfigBox $c [expr {$x+60}] [expr {$y   }] -anchor sw     $color
mkTextConfigBox $c [expr {$x   }] [expr {$y+30}] -anchor e      $color
mkTextConfigBox $c [expr {$x+30}] [expr {$y+30}] -anchor center $color
mkTextConfigBox $c [expr {$x+60}] [expr {$y+30}] -anchor w      $color
mkTextConfigBox $c [expr {$x   }] [expr {$y+60}] -anchor ne     $color
mkTextConfigBox $c [expr {$x+30}] [expr {$y+60}] -anchor n      $color
mkTextConfigBox $c [expr {$x+60}] [expr {$y+60}] -anchor nw     $color
set item [$c create rect \
	[expr {$x+40}] [expr {$y+40}] [expr {$x+50}] [expr {$y+50}] \
	-outline black -fill red]
$c bind $item <1> "$c itemconf text -anchor center"
$c create text [expr {$x+45}] [expr {$y-5}] \
	-text {Text Position}  -anchor s  -font {Times 20}  -fill brown

# Now create some items that allow the text's angle to be changed.

set x 205
set y 50
set color Yellow
mkTextConfigPie $c $x $y   0 -angle  90 $color
mkTextConfigPie $c $x $y  30 -angle 120 $color
mkTextConfigPie $c $x $y  60 -angle 150 $color
mkTextConfigPie $c $x $y  90 -angle 180 $color
mkTextConfigPie $c $x $y 120 -angle 210 $color
mkTextConfigPie $c $x $y 150 -angle 240 $color
mkTextConfigPie $c $x $y 180 -angle 270 $color
mkTextConfigPie $c $x $y 210 -angle 300 $color
mkTextConfigPie $c $x $y 240 -angle 330 $color
mkTextConfigPie $c $x $y 270 -angle   0 $color
mkTextConfigPie $c $x $y 300 -angle  30 $color
mkTextConfigPie $c $x $y 330 -angle  60 $color
$c create text [expr {$x+45}] [expr {$y-5}] \
	-text {Text Angle}  -anchor s  -font {Times 20}  -fill brown

# Lastly, create some items that allow the text's justification to be
# changed.

set x 350
set y 50
set color SeaGreen2
mkTextConfigBox $c $x $y -justify left $color
mkTextConfigBox $c [expr {$x+30}] $y -justify center $color
mkTextConfigBox $c [expr {$x+60}] $y -justify right $color
$c create text [expr {$x+45}] [expr {$y-5}] \
	-text {Justification}  -anchor s  -font {Times 20}  -fill brown

$c bind config <Enter> "textEnter $c"
$c bind config <Leave> "$c itemconf current -fill \$textConfigFill"

set textConfigFill {}

proc textEnter {w} {
    global textConfigFill
    set textConfigFill [lindex [$w itemconfig current -fill] 4]
    $w itemconfig current -fill black
}

proc textInsert {w string} {
    if {$string == ""} {
	return
    }
    catch {$w dchars text sel.first sel.last}
    $w insert text insert $string
}

proc textPaste {w pos} {
    catch {
	$w insert text $pos [selection get]
    }
}

proc textB1Press {w x y} {
    $w icursor current @$x,$y
    $w focus current
    focus $w
    $w select from current @$x,$y
}

proc textB1Move {w x y} {
    $w select to current @$x,$y
}

proc textBs {w} {
    if {![catch {$w dchars text sel.first sel.last}]} {
	return
    }
    set char [expr {[$w index text insert] - 1}]
    if {$char >= 0} {$w dchar text $char}
}

proc textDel {w} {
    if {![catch {$w dchars text sel.first sel.last}]} {
	return
    }
    $w dchars text insert
}

cmd: