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/image2.tcl (3352B)

# image2.tcl --
#
# This demonstration script creates a simple collection of widgets
# that allow you to select and view images in a Tk label.

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

package require Tk

# loadDir --
# This procedure reloads the directory listbox from the directory
# named in the demo's entry.
#
# Arguments:
# w -			Name of the toplevel window of the demo.

proc loadDir w {
    global dirName

$w.f.list delete 0 end
    foreach i [lsort [glob -type f -directory $dirName *]] {
	$w.f.list insert end [file tail $i]
    }
}

# selectAndLoadDir --
# This procedure pops up a dialog to ask for a directory to load into
# the listobx and (if the user presses OK) reloads the directory
# listbox from the directory named in the demo's entry.
#
# Arguments:
# w -			Name of the toplevel window of the demo.

proc selectAndLoadDir w {
    global dirName
    set dir [tk_chooseDirectory -initialdir $dirName -parent $w -mustexist 1]
    if {$dir ne ""} {
	set dirName $dir
	loadDir $w
    }
}

# loadImage --
# Given the name of the toplevel window of the demo and the mouse
# position, extracts the directory entry under the mouse and loads
# that file into a photo image for display.
#
# Arguments:
# w -			Name of the toplevel window of the demo.
# x, y-			Mouse position within the listbox.

proc loadImage {w x y} {
    global dirName

set file [file join $dirName [$w.f.list get @$x,$y]]
    if {[catch {
	image2a configure -file $file
    }]} then {
	# Mark the file as not loadable
	$w.f.list itemconfigure @$x,$y -bg \#c00000 -selectbackground \#ff0000
    }
}

set w .image2
catch {destroy $w}
toplevel $w
wm title $w "Image Demonstration #2"
wm iconname $w "Image2"
positionWindow $w

label $w.msg -font $font -wraplength 4i -justify left -text "This demonstration allows you to view images using a Tk \"photo\" image.  First type a directory name in the listbox, then type Return to load the directory into the listbox.  Then double-click on a file name in the listbox to see that image."
pack $w.msg -side top

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

frame $w.mid
pack $w.mid -fill both -expand 1

labelframe $w.dir -text "Directory:"
# Main widget program sets variable tk_demoDirectory
set dirName [file join $tk_demoDirectory images]
entry $w.dir.e -width 30 -textvariable dirName
button $w.dir.b -pady 0 -padx 2m -text "Select Dir." \
	-command "selectAndLoadDir $w"
bind $w.dir.e <Return> "loadDir $w"
pack $w.dir.e -side left -fill both -padx 2m     -pady 2m -expand true
pack $w.dir.b -side left -fill y    -padx {0 2m} -pady 2m
labelframe $w.f -text "File:" -padx 2m -pady 2m

listbox $w.f.list -width 20 -height 10 -yscrollcommand "$w.f.scroll set"
ttk::scrollbar $w.f.scroll -command "$w.f.list yview"
pack $w.f.list $w.f.scroll -side left -fill y -expand 1
$w.f.list insert 0 earth.gif earthris.gif teapot.ppm
bind $w.f.list <Double-1> "loadImage $w %x %y"

catch {image delete image2a}
image create photo image2a
labelframe $w.image -text "Image:"
label $w.image.image -image image2a
pack $w.image.image -padx 2m -pady 2m

grid $w.dir -        -sticky ew -padx 1m -pady 1m -in $w.mid
grid $w.f   $w.image -sticky nw -padx 1m -pady 1m -in $w.mid
grid columnconfigure $w.mid 1 -weight 1

cmd: