Gecko [ dp-client.com ]

Name	Size	Permission
images	[ DIR ]	drwxr-xr-x
README	2.03 KB	-rw-r--r--
anilabel.tcl	6.51 KB	-rw-r--r--
aniwave.tcl	3.41 KB	-rw-r--r--
arrow.tcl	7.8 KB	-rw-r--r--
bind.tcl	2.87 KB	-rw-r--r--
bitmap.tcl	1.38 KB	-rw-r--r--
browse	1.72 KB	-rwxr-xr-x
button.tcl	1.47 KB	-rw-r--r--
check.tcl	2.22 KB	-rw-r--r--
clrpick.tcl	1.4 KB	-rw-r--r--
colors.tcl	4.88 KB	-rw-r--r--
combo.tcl	1.94 KB	-rw-r--r--
cscroll.tcl	3.31 KB	-rw-r--r--
ctext.tcl	4.76 KB	-rw-r--r--
dialog1.tcl	660 B	-rw-r--r--
dialog2.tcl	613 B	-rw-r--r--
en.msg	3.8 KB	-rw-r--r--
entry1.tcl	1.35 KB	-rw-r--r--
entry2.tcl	2.06 KB	-rw-r--r--
entry3.tcl	5.95 KB	-rw-r--r--
filebox.tcl	2.2 KB	-rw-r--r--
floor.tcl	77.24 KB	-rw-r--r--
form.tcl	1.02 KB	-rw-r--r--
goldberg.tcl	55.23 KB	-rw-r--r--
hello	512 B	-rwxr-xr-x
hscale.tcl	1.46 KB	-rw-r--r--
icon.tcl	2.01 KB	-rw-r--r--
image1.tcl	1002 B	-rw-r--r--
image2.tcl	3.28 KB	-rw-r--r--
items.tcl	9.5 KB	-rw-r--r--
ixset	7.91 KB	-rwxr-xr-x
knightstour.tcl	8.38 KB	-rw-r--r--
label.tcl	1.29 KB	-rw-r--r--
labelframe.tcl	1.8 KB	-rw-r--r--
license.terms	2.16 KB	-rw-r--r--
mclist.tcl	3.89 KB	-rw-r--r--
menu.tcl	6.57 KB	-rw-r--r--
menubu.tcl	4.37 KB	-rw-r--r--
msgbox.tcl	1.98 KB	-rw-r--r--
nl.msg	6.61 KB	-rw-r--r--
paned1.tcl	1.08 KB	-rw-r--r--
paned2.tcl	2.18 KB	-rw-r--r--
pendulum.tcl	7.46 KB	-rw-r--r--
plot.tcl	2.69 KB	-rw-r--r--
puzzle.tcl	2.54 KB	-rw-r--r--
radio.tcl	2.69 KB	-rw-r--r--
rmt	5.22 KB	-rwxr-xr-x
rolodex	8.11 KB	-rwxr-xr-x
ruler.tcl	5.09 KB	-rw-r--r--
sayings.tcl	2.21 KB	-rw-r--r--
search.tcl	4.29 KB	-rw-r--r--
spin.tcl	1.78 KB	-rw-r--r--
states.tcl	1.63 KB	-rw-r--r--
style.tcl	6.78 KB	-rw-r--r--
tclIndex	4.25 KB	-rw-r--r--
tcolor	10.99 KB	-rwxr-xr-x
text.tcl	3.34 KB	-rw-r--r--
textpeer.tcl	2.13 KB	-rw-r--r--
timer	1.09 KB	-rwxr-xr-x
toolbar.tcl	3.19 KB	-rw-r--r--
tree.tcl	3.29 KB	-rw-r--r--
ttkbut.tcl	3.34 KB	-rw-r--r--
ttkmenu.tcl	2.35 KB	-rw-r--r--
ttknote.tcl	2.41 KB	-rw-r--r--
ttkpane.tcl	3.95 KB	-rw-r--r--
ttkprogress.tcl	1.52 KB	-rw-r--r--
ttkscale.tcl	1.39 KB	-rw-r--r--
twind.tcl	10.57 KB	-rw-r--r--
unicodeout.tcl	3.45 KB	-rw-r--r--
vscale.tcl	1.44 KB	-rw-r--r--
widget	22.83 KB	-rwxr-xr-x

Code Editor : ruler.tcl

# ruler.tcl --
#
# This demonstration script creates a canvas widget that displays a ruler
# with tab stops that can be set, moved, and deleted.

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

package require Tk

# rulerMkTab --
# This procedure creates a new triangular polygon in a canvas to
# represent a tab stop.
#
# Arguments:
# c -		The canvas window.
# x, y -	Coordinates at which to create the tab stop.

proc rulerMkTab {c x y} {
    upvar #0 demo_rulerInfo v
    $c create polygon $x $y [expr {$x+$v(size)}] [expr {$y+$v(size)}] \
	    [expr {$x-$v(size)}] [expr {$y+$v(size)}]
}

set w .ruler
catch {destroy $w}
toplevel $w
wm title $w "Ruler Demonstration"
wm iconname $w "ruler"
positionWindow $w
set c $w.c

label $w.msg -font $font -wraplength 5i -justify left -text "This canvas widget shows a mock-up of a ruler.  You can create tab stops by dragging them out of the well to the right of the ruler.  You can also drag existing tab stops.  If you drag a tab stop far enough up or down so that it turns dim, it will be deleted when you release the mouse button."
pack $w.msg -side top

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

canvas $c -width 14.8c -height 2.5c
pack $w.c -side top -fill x

set demo_rulerInfo(grid) .25c
set demo_rulerInfo(left) [winfo fpixels $c 1c]
set demo_rulerInfo(right) [winfo fpixels $c 13c]
set demo_rulerInfo(top) [winfo fpixels $c 1c]
set demo_rulerInfo(bottom) [winfo fpixels $c 1.5c]
set demo_rulerInfo(size) [winfo fpixels $c .2c]
set demo_rulerInfo(normalStyle) "-fill black"
# Main widget program sets variable tk_demoDirectory
if {[winfo depth $c] > 1} {
    set demo_rulerInfo(activeStyle) "-fill red -stipple {}"
    set demo_rulerInfo(deleteStyle) [list -fill red \
	    -stipple @[file join $tk_demoDirectory images gray25.xbm]]
} else {
    set demo_rulerInfo(activeStyle) "-fill black -stipple {}"
    set demo_rulerInfo(deleteStyle) [list -fill black \
	    -stipple @[file join $tk_demoDirectory images gray25.xbm]]
}

$c create line 1c 0.5c 1c 1c 13c 1c 13c 0.5c -width 1
for {set i 0} {$i < 12} {incr i} {
    set x [expr {$i+1}]
    $c create line ${x}c 1c ${x}c 0.6c -width 1
    $c create line $x.25c 1c $x.25c 0.8c -width 1
    $c create line $x.5c 1c $x.5c 0.7c -width 1
    $c create line $x.75c 1c $x.75c 0.8c -width 1
    $c create text $x.15c .75c -text $i -anchor sw
}
$c addtag well withtag [$c create rect 13.2c 1c 13.8c 0.5c \
	-outline black -fill [lindex [$c config -bg] 4]]
$c addtag well withtag [rulerMkTab $c [winfo pixels $c 13.5c] \
	[winfo pixels $c .65c]]

$c bind well <1> "rulerNewTab $c %x %y"
$c bind tab <1> "rulerSelectTab $c %x %y"
bind $c <B1-Motion> "rulerMoveTab $c %x %y"
bind $c <Any-ButtonRelease-1> "rulerReleaseTab $c"

# rulerNewTab --
# Does all the work of creating a tab stop, including creating the
# triangle object and adding tags to it to give it tab behavior.
#
# Arguments:
# c -		The canvas window.
# x, y -	The coordinates of the tab stop.

proc rulerNewTab {c x y} {
    upvar #0 demo_rulerInfo v
    $c addtag active withtag [rulerMkTab $c $x $y]
    $c addtag tab withtag active
    set v(x) $x
    set v(y) $y
    rulerMoveTab $c $x $y
}

# rulerSelectTab --
# This procedure is invoked when mouse button 1 is pressed over
# a tab.  It remembers information about the tab so that it can
# be dragged interactively.
#
# Arguments:
# c -		The canvas widget.
# x, y -	The coordinates of the mouse (identifies the point by
#		which the tab was picked up for dragging).

proc rulerSelectTab {c x y} {
    upvar #0 demo_rulerInfo v
    set v(x) [$c canvasx $x $v(grid)]
    set v(y) [expr {$v(top)+2}]
    $c addtag active withtag current
    eval "$c itemconf active $v(activeStyle)"
    $c raise active
}

# rulerMoveTab --
# This procedure is invoked during mouse motion events to drag a tab.
# It adjusts the position of the tab, and changes its appearance if
# it is about to be dragged out of the ruler.
#
# Arguments:
# c -		The canvas widget.
# x, y -	The coordinates of the mouse.

proc rulerMoveTab {c x y} {
    upvar #0 demo_rulerInfo v
    if {[$c find withtag active] == ""} {
	return
    }
    set cx [$c canvasx $x $v(grid)]
    set cy [$c canvasy $y]
    if {$cx < $v(left)} {
	set cx $v(left)
    }
    if {$cx > $v(right)} {
	set cx $v(right)
    }
    if {($cy >= $v(top)) && ($cy <= $v(bottom))} {
	set cy [expr {$v(top)+2}]
	eval "$c itemconf active $v(activeStyle)"
    } else {
	set cy [expr {$cy-$v(size)-2}]
	eval "$c itemconf active $v(deleteStyle)"
    }
    $c move active [expr {$cx-$v(x)}] [expr {$cy-$v(y)}]
    set v(x) $cx
    set v(y) $cy
}

# rulerReleaseTab --
# This procedure is invoked during button release events that end
# a tab drag operation.  It deselects the tab and deletes the tab if
# it was dragged out of the ruler.
#
# Arguments:
# c -		The canvas widget.
# x, y -	The coordinates of the mouse.

proc rulerReleaseTab c {
    upvar #0 demo_rulerInfo v
    if {[$c find withtag active] == {}} {
	return
    }
    if {$v(y) != $v(top)+2} {
	$c delete active
    } else {
	eval "$c itemconf active $v(normalStyle)"
	$c dtag active
    }
}

${this.title}

Code Editor : ruler.tcl