1 files changed, 0 insertions, 554 deletions
diff --git a/tkblt/library/graph.tcl b/tkblt/library/graph.tcl
deleted file mode 100644
index a4dfe8e..0000000
--- a/tkblt/library/graph.tcl
+++ /dev/null
@@ -1,554 +0,0 @@
-package provide Tkblt 3.0
-
-namespace eval ::blt::legend {
-    variable _private 
-    array set _private {
-	afterId ""
-	scroll 0
-	space off
-	drag 0
-	x 0
-	y 0
-    }
-}
-
-namespace eval ::blt::ZoomStack {
-    variable _private
-    array set _private {
-	afterId ""
-	scroll 0
-	space off
-	drag 0
-	x 0
-	y 0
-    }
-}
-
-proc blt::legend::SetSelectionAnchor { w tagOrId } {
-    set elem [$w legend get $tagOrId]
-    # If the anchor hasn't changed, don't do anything
-    if { $elem != [$w legend get anchor] } {
-	$w legend selection clearall
-	$w legend focus $elem
-	$w legend selection set $elem
-	$w legend selection anchor $elem
-    }
-}
-
-# ----------------------------------------------------------------------
-#
-# MoveFocus --
-#
-#	Invoked by KeyPress bindings.  Moves the active selection to
-#	the entry <where>, which is an index such as "up", "down",
-#	"prevsibling", "nextsibling", etc.
-#
-# ----------------------------------------------------------------------
-proc blt::legend::MoveFocus { w elem } {
-    catch {$w legend focus $elem} result
-    puts stderr "result=$result elem=$elem"
-    if { [$w legend cget -selectmode] == "single" } {
-        $w legend selection clearall
-        $w legend selection set focus
-	$w legend selection anchor focus
-    }
-}
-
-
-proc Blt_ActiveLegend { g } {
-    $g legend bind all <Enter> [list blt::ActivateLegend $g ]
-    $g legend bind all <Leave> [list blt::DeactivateLegend $g]
-    $g legend bind all <ButtonPress-1> [list blt::HighlightLegend $g]
-}
-
-proc Blt_Crosshairs { g } {
-    blt::Crosshairs $g 
-}
-
-proc Blt_ResetCrosshairs { g state } {
-    blt::Crosshairs $g "Any-Motion" $state
-}
-
-proc Blt_ZoomStack { g args } {
-    array set params {
-	-mode click
-	-button "ButtonPress-3"
-    }
-    array set params $args
-    if { $params(-mode) == "click" } {
-	blt::ZoomStack::ClickClick $g $params(-button)
-    } else {
-	blt::ZoomStack::ClickRelease $g $params(-button)
-    }	
-}
-
-proc Blt_ClosestPoint { g } {
-    blt::ClosestPoint $g
-}
-
-#
-# The following procedures that reside in the "blt" namespace are
-# supposed to be private.
-#
-
-proc blt::ActivateLegend { g } {
-    set elem [$g legend get current]
-    $g legend activate $elem
-}
-proc blt::DeactivateLegend { g } {
-    set elem [$g legend get current]
-    $g legend deactivate $elem
-}
-
-proc blt::HighlightLegend { g } {
-    set elem [$g legend get current]
-    if { $elem != ""  } {
-      set relief [$g element cget $elem -legendrelief]
-      if { $relief == "flat" } {
-	$g element configure $elem -legendrelief raised
-	$g element activate $elem
-      } else {
-	$g element configure $elem -legendrelief flat
-	$g element deactivate $elem
-      }
-   }
-}
-
-proc blt::Crosshairs { g {event "Any-Motion"} {state "on"}} {
-    $g crosshairs $state
-    bind crosshairs-$g <$event>   {
-	%W crosshairs configure -position @%x,%y 
-    }
-    bind crosshairs-$g <Leave>   {
-	%W crosshairs off
-    }
-    bind crosshairs-$g <Enter>   {
-	%W crosshairs on
-    }
-    $g crosshairs configure -color red
-    if { $state == "on" } {
-	blt::AddBindTag $g crosshairs-$g
-    } elseif { $state == "off" } {
-	blt::RemoveBindTag $g crosshairs-$g
-    }
-}
-
-proc blt::ClosestPoint { g {event "Control-ButtonPress-2"} } {
-    bind closest-point-$g <$event>  {
-	blt::FindElement %W %x %y
-    }
-    blt::AddBindTag $g closest-point-$g
-}
-
-proc blt::AddBindTag { widget tag } {
-    set oldTagList [bindtags $widget]
-    if { [lsearch $oldTagList $tag] < 0 } {
-	bindtags $widget [linsert $oldTagList 0  $tag]
-    }
-}
-
-proc blt::RemoveBindTag { widget tag } {
-    set oldTagList [bindtags $widget]
-    set index [lsearch $oldTagList $tag]
-    if { $index >= 0 } {
-	bindtags $widget [lreplace $oldTagList $index $index]
-    }
-}
-
-proc blt::FindElement { g x y } {
-    array set info [$g element closest $x $y -interpolate yes]
-    if { ![info exists info(name)] } {
-	beep
-	return
-    }
-    # --------------------------------------------------------------
-    # find(name)		- element Id
-    # find(index)		- index of closest point
-    # find(x) find(y)		- coordinates of closest point
-    #				  or closest point on line segment.
-    # find(dist)		- distance from sample coordinate
-    # --------------------------------------------------------------
-    set markerName "bltClosest_$info(name)"
-    catch { $g marker delete $markerName }
-    $g marker create text $markerName \
-	-coords "$info(x) $info(y)" \
-	-text "$info(name): $info(dist)\nindex $info(index)" \
-	-anchor center -justify left \
-	-yoffset 0 -bg {} 
-
-    set coords [$g invtransform $x $y]
-    set nx [lindex $coords 0]
-    set ny [lindex $coords 1]
-
-    $g marker create line line.$markerName -coords "$nx $ny $info(x) $info(y)"
-
-    blt::FlashPoint $g $info(name) $info(index) 10
-    blt::FlashPoint $g $info(name) [expr $info(index) + 1] 10
-}
-
-proc blt::FlashPoint { g name index count } {
-    if { $count & 1 } {
-        $g element deactivate $name 
-    } else {
-        $g element activate $name $index
-    }
-    incr count -1
-    if { $count > 0 } {
-	after 200 blt::FlashPoint $g $name $index $count
-	update
-    } else {
-	catch {eval $g marker delete [$g marker names "bltClosest_*"]}
-    }
-}
-
-
-proc blt::ZoomStack::Init { g } {
-    variable _private
-    set _private($g,interval) 100
-    set _private($g,afterId) 0
-    set _private($g,A,x) {}
-    set _private($g,A,y) {}
-    set _private($g,B,x) {}
-    set _private($g,B,y) {}
-    set _private($g,stack) {}
-    set _private($g,corner) A
-}
-
-proc blt::ZoomStack::ClickClick { g reset } {
-    variable _private
-    
-    Init $g
-    
-    bind zoom-$g <Enter> "focus %W"
-    bind zoom-$g <KeyPress-Escape> { blt::ZoomStack::Reset %W }
-    bind zoom-$g <ButtonPress-1> { blt::ZoomStack::SetPoint %W %x %y }
-    bind zoom-$g <${reset}> { 
-	if { [%W inside %x %y] } { 
-	    blt::ZoomStack::Reset %W 
-	}
-    }
-    blt::AddBindTag $g zoom-$g
-}
-
-proc blt::ZoomStack::ClickRelease { g reset } {
-    variable _private
-    
-    Init $g
-    bind zoom-$g <Enter> "focus %W"
-    bind zoom-$g <KeyPress-Escape> {blt::ZoomStack::Reset %W}
-    bind zoom-$g <ButtonPress-1> {blt::ZoomStack::DragStart %W %x %y}
-    bind zoom-$g <B1-Motion> {blt::ZoomStack::DragMotion %W %x %y}
-    bind zoom-$g <ButtonRelease-1> {blt::ZoomStack::DragFinish %W %x %y}
-    bind zoom-$g <${reset}> { 
-	if { [%W inside %x %y] } { 
-	    blt::ZoomStack::Reset %W 
-	}
-    }
-    blt::AddBindTag $g zoom-$g
-}
-
-proc blt::ZoomStack::GetCoords { g x y index } {
-    variable _private
-    if { [$g cget -invertxy] } {
-	set _private($g,$index,x) $y
-	set _private($g,$index,y) $x
-    } else {
-	set _private($g,$index,x) $x
-	set _private($g,$index,y) $y
-    }
-}
-
-proc blt::ZoomStack::MarkPoint { g index } {
-    variable _private
-
-    if { [llength [$g xaxis use]] > 0 } {
-	set x [$g xaxis invtransform $_private($g,$index,x)]
-    } else if { [llength [$g x2axis use]] > 0 } {
-	set x [$g x2axis invtransform $_private($g,$index,x)]
-    }
-    if { [llength [$g yaxis use]] > 0 } {
-	set y [$g yaxis invtransform $_private($g,$index,y)]
-    } else if { [llength [$g y2axis use]] > 0 } {
-	set y [$g y2axis invtransform $_private($g,$index,y)]
-    }
-    set marker "zoomText_$index"
-    set text [format "x=%.4g\ny=%.4g" $x $y] 
-
-    if [$g marker exists $marker] {
-     	$g marker configure $marker -coords "$x $y" -text $text 
-    } else {
-    	$g marker create text $marker \
-	    -coords "$x $y" \
-	    -text $text -anchor center -bg {} -justify left
-    }
-}
-
-proc blt::ZoomStack::DestroyTitle { g } {
-    variable _private
-
-    if { $_private($g,corner) == "A" } {
-	catch { $g marker delete "zoomTitle" }
-    }
-}
-
-proc blt::ZoomStack::Pop { g } {
-    variable _private
-
-    set zoomStack $_private($g,stack)
-    if { [llength $zoomStack] > 0 } {
-	set cmd [lindex $zoomStack 0]
-	set _private($g,stack) [lrange $zoomStack 1 end]
-	eval $cmd
-	TitleLast $g
-	update
-	after 2000 [list blt::ZoomStack::DestroyTitle $g]
-    } else {
-	catch { $g marker delete "zoomTitle" }
-    }
-}
-
-# Push the old axis limits on the stack and set the new ones
-
-proc blt::ZoomStack::Push { g } {
-    variable _private
-
-    catch {eval $g marker delete [$g marker names "zoom*"]}
-    if { [info exists _private($g,afterId)] } {
-	after cancel $_private($g,afterId)
-    }
-    set x1 $_private($g,A,x)
-    set y1 $_private($g,A,y)
-    set x2 $_private($g,B,x)
-    set y2 $_private($g,B,y)
-
-    if { ($x1 == $x2) || ($y1 == $y2) } { 
-	# No delta, revert to start
-	return
-    }
-    set cmd {}
-    foreach axis [$g axis names] {
-	if { [$g axis cget $axis -hide] } {
-	    continue
-	}
-	set min [$g axis cget $axis -min] 
-	set max [$g axis cget $axis -max]
-	set logscale  [$g axis cget $axis -logscale]
-	# Save the current scale (log or linear) so that we can restore it.
-	# This is for the case where the user changes to logscale while
-	# zooming.  A previously pushed axis limit could be negative.  It
-	# seems better for popping the zoom stack to restore a previous view
-	# (not convert the ranges).
-	set c [list $g axis configure $axis]
-	lappend c -min $min -max $max -logscale $logscale
-	append cmd "$c\n"
-    }
-
-    # This effectively pushes the command to reset the graph to the current
-    # zoom level onto the stack.  This is useful if the new axis ranges are
-    # bad and we need to reset the zoom stack.
-    set _private($g,stack) [linsert $_private($g,stack) 0 $cmd]
-    foreach axis [$g axis names] {
-	if { [$g axis cget $axis -hide] } {
-	    continue;			# Don't set zoom on axes not displayed.
-	}
-	set type [$g axis type $axis]
-	if { $type  == "x" } {
-	    set min [$g axis invtransform $axis $x1]
-	    set max [$g axis invtransform $axis $x2]
-	} elseif { $type == "y" } {
-	    set min [$g axis invtransform $axis $y1]
-	    set max [$g axis invtransform $axis $y2]
-	} else {
-	    continue;			# Axis is not bound to any margin.
-	}
-	if { ![SetAxisRanges $g $axis $min $max] } {
-	    Pop $g
-	    bell
-	    return
-	}
-    }
-    update;				# This "update" redraws the graph
-}
-
-proc blt::ZoomStack::SetAxisRanges { g axis min max } {
-    if { $min > $max } { 
-	set tmp $max; set max $min; set min $tmp
-    }
-    if { [catch { $g axis configure $axis -min $min -max $max }] != 0 } {
-	return 0
-    }
-    return 1
-}
-
-#
-# This routine terminates either an existing zoom, or pops back to
-# the previous zoom level (if no zoom is in progress).
-#
-proc blt::ZoomStack::Reset { g } {
-    variable _private
-
-    if { ![info exists _private($g,corner)] } {
-	Init $g 
-    }
-    catch {eval $g marker delete [$g marker names "zoom*"]}
-
-    if { $_private($g,corner) == "A" } {
-	# Reset the whole axis
-	Pop $g
-    } else {
-	set _private($g,corner) A
-	blt::RemoveBindTag $g select-region-$g
-    }
-}
-
-proc blt::ZoomStack::TitleNext { g } {
-    variable _private
-
-    set level [expr [llength $_private($g,stack)] + 1]
-    if { [$g cget -invertxy] } {
-	set coords "Inf -Inf"
-    } else {
-	set coords "-Inf Inf"
-    }
-    set marker "zoomTitle"
-    if {![$g marker exists $marker]} {
-	$g marker create text $marker -bindtags "" -anchor nw
-    }
-    $g marker configure $marker -text "Zoom #$level" -coords $coords
-}
-
-proc blt::ZoomStack::TitleLast { g } {
-    variable _private
-
-    set level [llength $_private($g,stack)]
-    if { [$g cget -invertxy] } {
-	set coords "Inf -Inf"
-    } else {
-	set coords "-Inf Inf"
-    }
-
-    set marker "zoomTitle"
-    if { $level > 0 } {
-	if {![$g marker exists $marker]} {
-	    $g marker create text "zoomTitle" -anchor nw
-	}
-     	$g marker configure $marker -text "Zoom #$level" -coords $coords
-    }
-}
-
-
-proc blt::ZoomStack::SetPoint { g x y } {
-    variable _private
-    if { ![info exists _private($g,corner)] } {
-	Init $g
-    }
-    GetCoords $g $x $y $_private($g,corner)
-    bind select-region-$g <Motion> { 
-	blt::ZoomStack::GetCoords %W %x %y B
-	#blt::ZoomStack::MarkPoint $g B
-	blt::ZoomStack::Box %W
-    }
-    if { $_private($g,corner) == "A" } {
-	if { ![$g inside $x $y] } {
-	    return
-	}
-	# First corner selected, start watching motion events
-
-	#MarkPoint $g A
-	TitleNext $g 
-
-	blt::AddBindTag $g select-region-$g
-	set _private($g,corner) B
-    } else {
-	# Delete the modal binding
-	blt::RemoveBindTag $g select-region-$g
-	Push $g 
-	set _private($g,corner) A
-    }
-}
-
-proc blt::ZoomStack::DragStart { g x y } {
-    variable _private
-    if { ![info exists _private($g,corner)] } {
-	Init $g
-    }
-    GetCoords $g $x $y A
-    if { ![$g inside $x $y] } {
-	return
-    }
-    set _private(drag) 1
-    TitleNext $g 
-}
-
-proc blt::ZoomStack::DragMotion { g x y } {
-    variable _private 
-
-    if { $_private(drag) } {
-	GetCoords $g $x $y B
-	set dx [expr abs($_private($g,B,x) - $_private($g,A,x))]
-	set dy [expr abs($_private($g,B,y) - $_private($g,A,y))]
-	Box $g
-	if { $dy > 10 && $dx > 10 } {
-	    return 1
-	}	
-    }
-    return 0
-}
-
-proc blt::ZoomStack::DragFinish { g x y } {
-    variable _private 
-    if { [DragMotion $g $x $y] } {
-	Push $g 
-    } else {
-	catch {eval $g marker delete [$g marker names "zoom*"]}
-	if { [info exists _private($g,afterId)] } {
-	    after cancel $_private($g,afterId)
-	}
-    }
-    set _private(drag) 0
-}
-
-
-proc blt::ZoomStack::MarchingAnts { g offset } {
-    variable _private
-
-    incr offset
-    # wrap the counter after 2^16
-    set offset [expr $offset & 0xFFFF]
-    if { [$g marker exists zoomOutline] } {
-	$g marker configure zoomOutline -dashoffset $offset 
-	set interval $_private($g,interval)
-	set id [after $interval [list blt::ZoomStack::MarchingAnts $g $offset]]
-	set _private($g,afterId) $id
-    }
-}
-
-proc blt::ZoomStack::Box { g } {
-    variable _private
-
-    if { $_private($g,A,x) > $_private($g,B,x) } { 
-	set x1 [$g xaxis invtransform $_private($g,B,x)]
-	set y1 [$g yaxis invtransform $_private($g,B,y)]
-	set x2 [$g xaxis invtransform $_private($g,A,x)]
-	set y2 [$g yaxis invtransform $_private($g,A,y)]
-    } else {
-	set x1 [$g xaxis invtransform $_private($g,A,x)]
-	set y1 [$g yaxis invtransform $_private($g,A,y)]
-	set x2 [$g xaxis invtransform $_private($g,B,x)]
-	set y2 [$g yaxis invtransform $_private($g,B,y)]
-    }
-    set coords "$x1 $y1 $x2 $y1 $x2 $y2 $x1 $y2 $x1 $y1"
-    if { [$g marker exists "zoomOutline"] } {
-	$g marker configure "zoomOutline" -coords $coords 
-    } else {
-	set X [lindex [$g xaxis use] 0]
-	set Y [lindex [$g yaxis use] 0]
-	$g marker create line "zoomOutline" \
-	    -coords $coords -mapx $X -mapy $Y \
-	    -dashes 4 -linewidth 1
-	set interval $_private($g,interval)
-	set id [after $interval [list blt::ZoomStack::MarchingAnts $g 0]]
-	set _private($g,afterId) $id
-    }
-}
-