#!/usr/bin/wish -f
#############################################################################
# apps/graphics/traveler/tools/tcledit/tcl_edit.tk
#
#   Copyright (C) 2016 Gregory Nutt. All rights reserved.
#   Author: Gregory Nutt <gnutt@nuttx.org>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in
#    the documentation and/or other materials provided with the
#    distribution.
# 3. Neither the name NuttX nor the names of its contributors may be
#    used to endorse or promote products derived from this software
#    without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
#############################################################################

# Control features for each element
proc configentry {w option items} {
    foreach i $items {
        $w.$i configure -state $option
    }
}

proc configeditplane { w } {
    global editplane editpoint
    if {$editplane == "x"} {
	$w.x configure -state disabled
	if {($editpoint == "1") || ($editpoint == "2")} {
	    $w.y configure -state normal
	} else {
	    $w.y configure -state disabled
	}
	if {($editpoint == "1") || ($editpoint == "3")} {
	    $w.z configure -state normal
	} else {
	    $w.z configure -state disabled
	}	    
    }
    if {$editplane == "y"} {
	if {($editpoint == "1") || ($editpoint == "2")} {
	    $w.x configure -state normal
	} else {
	    $w.x configure -state disabled
	}
	$w.y configure -state disabled
	if {($editpoint == "1") || ($editpoint == "3")} {
	    $w.z configure -state normal
	} else {
	    $w.z configure -state disabled
	}	    
    }
    if {$editplane == "z"} {
	if {($editpoint == "1") || ($editpoint == "2")} {
	    $w.x configure -state normal
	} else {
	    $w.x configure -state disabled
	}
	if {($editpoint == "1") || ($editpoint == "3")} {
	    $w.y configure -state normal
	} else {
	    $w.y configure -state disabled
	}
	$w.z configure -state disabled
    }
}

proc cget { w option } {
    return "[lindex [$w configure $option] 4]"
}

proc bool {w text variable command} {
    frame $w -relief sunken
    radiobutton $w.y -text "yes" -variable $variable -value 1 -relief groove -width 3 -command $command
    radiobutton $w.n -text "no"  -variable $variable -value 0 -relief groove -width 3 -command $command
    button $w.l -text "$text" -relief groove -anchor w -width 10
    $w.l configure -activefore [cget $w.l -fg] -activeback [cget $w.l -bg]
    pack $w.l -side right -fill both -expand on
    pack $w.n $w.y -side right -fill y
    pack $w -anchor w -fill both -expand on
}

proc int {w text variable command} {
    frame $w
    entry $w.x -relief sunken -borderwidth 2 -textvariable $variable -width 8
    button $w.l -text "$text" -relief groove -anchor w -width 8
    $w.l configure -activefore [cget $w.l -fg] -activeback [cget $w.l -bg]
    pack $w.l -anchor w -side right -fill y
    pack $w.x -anchor w -side right -fill y
    pack $w -anchor w -fill both -expand on
    bind $w.x <Return> "eval \"$command \$$variable\""
}

proc minimenu {w text variable} {
    frame $w
    menubutton $w.x -relief raised -borderwidth 2 -textvariable $variable \
	-menu $w.x.menu -anchor w -width 8
    button $w.l -text "$text" -relief groove -anchor w -width 8
    $w.l configure -activefore [cget $w.l -fg] -activeback [cget $w.l -bg]
    pack $w.l -anchor w -side right -fill y
    pack $w.x -anchor w -side right -fill y
    pack $w -anchor w -fill both -expand on
}

# Report new attributes
proc newattribute { } {
    global shaded transparent door
    global scaleno texture
    ast_attributes $shaded$transparent$door $texture $scaleno
}

# Handle edit mode settings
proc seteditmode {mode plane} {
    global editmode editplane
    global xpos ypos zpos
    global xpt1 ypt1 zpt1
    global xpt2 ypt2 zpt2
    global xpt3 ypt3 zpt3
    global xpt4 ypt4 zpt4
    global editwidth editheight
    global shaded transparent door
    global scaleno scaling texture
    set editmode $mode; set editplane $plane
    ast_seteditmode $mode $plane
    if {($editmode == "NEW") || ($editmode == "EDIT")} {
	set xpt1 $xpos; set xpt2 $xpos; set xpt3 $xpos; set xpt4 $xpos
	set ypt1 $ypos; set ypt2 $ypos; set ypt3 $ypos; set ypt4 $ypos
	set zpt1 $zpos; set zpt2 $zpos; set zpt3 $zpos; set zpt4 $zpos
    }
    set editwidth 0; set editheight 0
    set shaded 0; set transparent 0; set door 0
    set scaleno 0; set scaling 1x; set texture 0
    ast_edit "x" $xpos 0
    ast_edit "y" $ypos 0
    ast_edit "z" $zpos 0
    newattribute
}

# Handle changes in scale bars and/or numeric entries
proc setxscale { xvalue } {
    global xscale xmin xmax;
    set screenwidth [expr $xmax - $xmin + 1]
    set xoffset [expr $xvalue - $xmin]
    set xscale [expr $xoffset * 32768 / $screenwidth]
}

proc getxscale { xvalue } {
    global xmin xmax;
    set screenwidth [expr $xmax - $xmin + 1]
    set xoffset [expr $xvalue * $screenwidth / 32768]
    return [expr $xoffset + $xmin]
}
    
proc clipx { xvalue } {
    global xmin xmax
    if {$xvalue > $xmax} {
	set xvalue $xmax
    }
    if {$xvalue < $xmin} {
	set xvalue $xmin
    }
    setxscale $xvalue
    return $xvalue
}

proc neweditx { xvalue } {
    global editmode editpoint editwidth
    global xpt1 xpt2 xpt3 xpt4
    if {($editmode == "NEW") || ($editmode == "EDIT")} {
	if {$editpoint == "1"} {
	    if {$xvalue > $xpt2} {
		set xvalue $xpt2
		setxscale $xvalue
	    }
	    set xpt1 $xvalue
	    set xpt3 $xvalue
	} else {
	    if {$xvalue < $xpt1} {
		set xvalue $xpt1
		setxscale $xvalue
	    }
	    set xpt2 $xvalue
	    set xpt4 $xvalue
	}
	set editwidth [expr $xpt2 - $xpt1]
	ast_edit "x" $xpt1 $editwidth
    } else {
	if {$editmode == "POS"} {
	    global xpos ypos zpos
	    set xpos $xvalue
	    ast_position $xpos $ypos $zpos
	}
    }
}

proc newxscale { xvalue } {
    set xvalue [eval "getxscale $xvalue"]
    set xvalue [eval "clipx $xvalue"]
    neweditx $xvalue
}

proc newxentry { xvarname } {
    global $xvarname
    eval "set xvalue \$$xvarname"
    set xvalue [eval "clipx $xvalue"]
    neweditx $xvalue
}

proc setyscale { yvalue } {
    global yscale ymin ymax;
    set screenwidth [expr $ymax - $ymin + 1]
    set yoffset [expr $yvalue - $ymin]
    set yscale [expr $yoffset * 32768 / $screenwidth]
}

proc getyscale { yvalue } {
    global ymin ymax;
    set screenwidth [expr $ymax - $ymin + 1]
    set yoffset [expr $yvalue * $screenwidth / 32768]
    return [expr $yoffset + $ymin]
}
    
proc clipy { yvalue } {
    global ymin ymax
    if {$yvalue > $ymax} {
	set yvalue $ymax
    }
    if {$yvalue < $ymin} {
	set yvalue $ymin
    }
    setyscale $yvalue
    return $yvalue
}

proc newedity { yvalue } {
    global editmode editplane editpoint editwidth editheight
    global ypt1 ypt2 ypt3 ypt4
    if {($editmode == "NEW") || ($editmode == "EDIT")} {
	if {$editplane == "x"} {
	    if {$editpoint == "1"} {
		if {$yvalue > $ypt2} {
		    set yvalue $ypt2
		    setyscale $yvalue
		}
		set ypt1 $yvalue
		set ypt3 $yvalue
	    } else {
		if {$yvalue < $ypt1} {
		    set yvalue $ypt1
		    setyscale $yvalue
		}
		set ypt2 $yvalue
		set ypt4 $yvalue
	    }
	    set editwidth [expr $ypt2 - $ypt1]
	    ast_edit "y" $ypt1 $editwidth
	} else {
	    if {$editpoint == "1"} {
		if {$yvalue > $ypt3} {
		    set yvalue $ypt3
		    setyscale $yvalue
		}
		set ypt1 $yvalue
		set ypt2 $yvalue
	    } else {
		if {$yvalue < $ypt1} {
		    set yvalue $ypt1
		    setyscale $yvalue
		}
		set ypt3 $yvalue
		set ypt4 $yvalue
	    }
	    set editheight [expr $ypt3 - $ypt1]
	    ast_edit "y" $ypt1 $editheight
	}
    } else {
	if {$editmode == "POS"} {
	    global xpos ypos zpos
	    set ypos $yvalue
	    ast_position $xpos $ypos $zpos
	}
    }
}

proc newyscale { yvalue } {
    set yvalue [eval "getyscale $yvalue"]
    set yvalue [eval "clipy $yvalue"]
    newedity $yvalue
}

proc newyentry { yvarname } {
    global $yvarname
    eval "set yvalue \$$yvarname"
    set yvalue [eval "clipy $yvalue"]
    newedity $yvalue
}

proc setzscale { zvalue } {
    global zscale zmin zmax;
    set screenwidth [expr $zmax - $zmin + 1]
    set zoffset [expr $zvalue - $zmin]
    set zscale [expr $zoffset * 32768 / $screenwidth]
}

proc getzscale { zvalue } {
    global zmin zmax;
    set screenwidth [expr $zmax - $zmin + 1]
    set zoffset [expr $zvalue * $screenwidth / 32768]
    return [expr $zoffset + $zmin]
}
    
proc clipz { zvalue } {
    global zmin zmax
    if {$zvalue > $zmax} {
	set zvalue $zmax
    }
    if {$zvalue < $zmin} {
	set zvalue $zmin
    }
    setzscale $zvalue
    return $zvalue
}

proc neweditz { zvalue } {
    global editmode editpoint editheight
    global zpt1 zpt2 zpt3 zpt4
    if {($editmode == "NEW") || ($editmode == "EDIT")} {
	if {$editpoint == "1"} {
	    if {$zvalue > $zpt3} {
		set zvalue $zpt3
		setzscale $zvalue
	    }
	    set zpt1 $zvalue
	    set zpt2 $zvalue
	} else {
	    if {$zvalue < $zpt1} {
		set zvalue $zpt1
		setzscale $zvalue
	    }
	    set zpt3 $zvalue
	    set zpt4 $zvalue
	}
	set editheight [expr $zpt3 - $zpt1]
	ast_edit "z" $zpt1 $editheight
    } else {
	if {$editmode == "POS"} {
	    global xpos ypos zpos
	    set zpos $zvalue
	    ast_position $xpos $ypos $zpos
	}
    }
}

proc newzscale { zvalue } {
    set zvalue [eval "getzscale $zvalue"]
    set zvalue [eval "clipz $zvalue"]
    neweditz $zvalue
}

proc newzentry { zvarname } {
    global $zvarname
    eval "set zvalue \$$zvarname"
    set zvalue [eval "clipz $zvalue"]
    neweditz $zvalue
}

# changes to with and height settings
proc newwidth { width } {
    global editmode editplane editpoint editwidth
    global xmax xpt1 xpt2 xpt3 xpt4
    global ymax ypt1 ypt2 ypt3 ypt4
    if {($editmode == "NEW") || ($editmode == "EDIT")} {
	if {$width < 0} {
	    set editwidth 0
	    set width 0
	}
	switch -exact -- $editplane {
	    x {
		set ypt2 [expr $ypt1 + $width]
		if {$ypt2 > $ymax} {
		    set ypt2 $ymax
		    set editwidth [expr $ypt2 - $ypt1]
		}
		set ypt3 $ypt1
		set ypt4 $ypt2
		if {$editpoint == "2"} {
		    setyscale $ypt2
		}
		ast_edit "y" $ypt1 $editwidth
	    }
	    default {
		set xpt2 [expr $xpt1 + $width]
		if {$xpt2 > $xmax} {
		    set xpt2 $xmax
		    set editwidth [expr $xpt2 - $xpt1]
		}
		set xpt3 $xpt1
		set xpt4 $xpt2
		if {$editpoint == "2"} {
		    setxscale $xpt2
		}
		ast_edit "x" $xpt1 $editwidth
	    }
	}
    }
}

proc newheight { height } {
    global editmode editplane editpoint editheight
    global xmax xpt1 xpt2 xpt3 xpt4
    global ymax ypt1 ypt2 ypt3 ypt4
    global zmax zpt1 zpt2 zpt3 zpt4
    if {($editmode == "NEW") || ($editmode == "EDIT")} {
	if {$height < 0} {
	    set editheight 0
	    set height 0
	}
	switch -exact -- $editplane {
	    z {
		set ypt3 [expr $ypt1 + $height]
		if {$ypt3 > $ymax} {
		    set ypt3 $ymax
		    set editheight [expr $ypt3 - $ypt1]
		}
		set ypt2 $ypt1
		set ypt4 $ypt3
		if {$editpoint == "3"} {
		    setyscale $ypt3
		}
		ast_edit "y" $ypt1 $editheight
	    }
	    default {
		set zpt3 [expr $zpt1 + $height]
		if {$zpt3 > $zmax} {
		    set zpt3 $zmax
		    set editheight [expr $zpt3 - $zpt1]
		}
		set zpt2 $zpt1
		set zpt4 $zpt3
		if {$editpoint == "3"} {
		    setzscale $zpt3
		}
		ast_edit "z" $zpt1 $editheight
	    }
	}
    }
}

proc newscale { scale } {
    global scaleno
    set scaleno $scale
    newattribute
}

proc newtexture { value } {
    newattribute
}

proc newzoom { newzoom } {
    global xscale xmin xmax xpos
    global yscale ymin ymax ypos
    global zscale zmin zmax zpos
    set tmpxscale [eval "getxscale $xscale"]
    set tmpyscale [eval "getyscale $yscale"]
    set tmpzscale [eval "getzscale $zscale"]
    set screenwidth [expr 32768 / $newzoom]
    set halfwidth [expr $screenwidth / 2]
    if { $xpos < $halfwidth } {
	set xmin 0
	set xmax [expr $screenwidth - 1]
    } else {
	if { [expr $xpos + $halfwidth] > 32767 } {
	    set xmax 32767
	    set xmin [expr $xmax - $screenwidth]
	} else {
	    set xmin [expr $xpos - $halfwidth]
	    set xmax [expr $xmin + $screenwidth - 1]
	}
    }
    if { $ypos < $halfwidth } {
	set ymin 0
	set ymax [expr $screenwidth - 1]
    } else {
	if { [expr $ypos + $halfwidth] > 32767 } {
	    set ymax 32767
	    set ymin [expr $ymax - $screenwidth]
	} else {
	    set ymin [expr $ypos - $halfwidth]
	    set ymax [expr $ymin + $screenwidth - 1]
	}
    }
    if { $zpos < $halfwidth } {
	set zmin 0
	set zmax [expr $screenwidth - 1]
    } else {
	if { [expr $zpos + $halfwidth] > 32767 } {
	    set zmax 32767
	    set zmin [expr $zmax - $screenwidth]
	} else {
	    set zmin [expr $zpos - $halfwidth]
	    set zmax [expr $zmin + $screenwidth - 1]
	}
    }
    setxscale $tmpxscale
    setyscale $tmpyscale
    setzscale $tmpzscale
    ast_zoom $screenwidth $xmin $ymin $zmin
}

# Set slider variables
proc setvars { xvar yvar zvar } {
    global $xvar $yvar $zvar
    eval "setxscale \$$xvar"
    eval "setyscale \$$yvar"
    eval "setzscale \$$zvar"
}

# Setup to control position world
proc selectpos {} {
    global xpos ypos zpos
    setvars xpos ypos zpos
    configentry .c.scale normal {x y z}
    configentry .c.coords.edt1 disabled {pos edit add del}
    configentry .c.coords.edt2 normal {newx newy newz save}
    configentry .c.coords.pt1 disabled {b}
    configentry .c.coords.pos normal {x y z}
    configentry .c.coords.pt1 disabled {b x y z}
    configentry .c.coords.pt2 disabled {b x y z}
    configentry .c.coords.pt3 disabled {b x y z}
    configentry .c.coords.pt4 disabled {b x y z}
    configentry .c.edit.edt3.w disabled {x l}
    configentry .c.edit.edt3.h disabled {x l}
    configentry .c.edit.edt4.shaded disabled {y n l}
    configentry .c.edit.edt4.transp disabled {y n l}
    configentry .c.edit.edt4.door disabled {y n l}
    configentry .c.edit.edt5.scale disabled {x l}
    configentry .c.edit.edt5.zoom normal {x l}
    configentry .c.edit.edt5.texture disabled {x l}
    seteditmode "POS" "ALL"
}

# Configure for edit mode
proc configedit { mode plane } {
    global xnull ynull znull
    global editpoint
    setvars xnull ynull znull
    configentry .c.scale disabled {x y z}
    configentry .c.coords.edt1 normal {pos add}
    configentry .c.coords.edt1 disabled {edit del}
    configentry .c.coords.edt2 disabled {newx newy newz save}
    configentry .c.coords.pos normal {b}
    configentry .c.coords.pos disabled {x y z}
    configentry .c.coords.pt1 normal {b}
    configentry .c.coords.pt1 disabled {x y z}
    configentry .c.coords.pt2 normal {b}
    configentry .c.coords.pt2 disabled {x y z}
    configentry .c.coords.pt3 normal {b}
    configentry .c.coords.pt3 disabled {x y z}
    configentry .c.coords.pt4 disabled {b x y z}
    configentry .c.edit.edt3.w normal {x l}
    configentry .c.edit.edt3.h normal {x l}
    configentry .c.edit.edt4.shaded normal {y n l}
    configentry .c.edit.edt4.transp normal {y n l}
    configentry .c.edit.edt4.door normal {y n l}
    configentry .c.edit.edt5.scale normal {x l}
    configentry .c.edit.edt5.zoom normal {x l}
    configentry .c.edit.edt5.texture normal {x l}
    seteditmode $mode $plane
    set editpoint "NONE"
}

# Setup to add a new plane
proc selectnew { plane } {
    configedit "NEW" $plane
}

# Setup to edit the selected plane
proc selectedit {} {
    configedit "EDIT" "NONE"
}

# Add the current plane
proc selectadd {} {
    ast_addrectangle
    selectpos
}

# Setup to delete the selected plane
proc selectdel {} {
}

# Select to control point 1-4 of the rectangle
proc selectpt1 {} {
    global xpt1 ypt1 zpt1
    global editpoint
    setvars xpt1 ypt1 zpt1
    set editpoint "1"
    configeditplane .c.scale
    configentry .c.coords.pos disabled {x y z}
    configentry .c.coords.pt1 disabled {b}
    configeditplane .c.coords.pt1
    configentry .c.coords.pt2 normal {b}
    configentry .c.coords.pt2 disabled {x y z}
    configentry .c.coords.pt3 normal {b}
    configentry .c.coords.pt3 disabled {x y z}
    configentry .c.coords.pt4 disabled {b x y z}
}

proc selectpt2 {} {
    global xpt2 ypt2 zpt2
    global editpoint
    setvars xpt2 ypt2 zpt2
    set editpoint "2"
    configeditplane .c.scale
    configentry .c.coords.pos disabled {x y z}
    configentry .c.coords.pt1 normal {b}
    configentry .c.coords.pt1 disabled {x y z}
    configentry .c.coords.pt2 disabled {b}
    configeditplane .c.coords.pt2
    configentry .c.coords.pt3 normal {b}
    configentry .c.coords.pt3 disabled {x y z}
    configentry .c.coords.pt4 disabled {b x y z}
}

proc selectpt3 {} {
    global xpt3 ypt3 zpt3
    global editpoint
    setvars xpt3 ypt3 zpt3
    set editpoint "3"
    configeditplane .c.scale
    configentry .c.coords.pos disabled {x y z}
    configentry .c.coords.pt1 normal {b}
    configentry .c.coords.pt1 disabled {x y z}
    configentry .c.coords.pt2 normal {b}
    configentry .c.coords.pt2 disabled {x y z}
    configentry .c.coords.pt3 disabled {b}
    configeditplane .c.coords.pt3
    configentry .c.coords.pt4 disabled {b x y z}
}

proc selectpt4 {} {
    puts stderr "ERROR: We should never get here"
}

# Create one coordinate set
proc coords { w label xvar yvar zvar command } {
    global $xvar $yvar $zvar
    frame $w
    button $w.b -width 6 -text "$label" -relief raised -command "$command"
    entry $w.x -width 8 -relief sunken -borderwidth 2 -textvariable $xvar
    entry $w.y -width 8 -relief sunken -borderwidth 2 -textvariable $yvar
    entry $w.z -width 8 -relief sunken -borderwidth 2 -textvariable $zvar
    pack $w.b -anchor w -side top -fill y
    pack $w.x -anchor w -side top -fill y
    pack $w.y -anchor w -side top -fill y
    pack $w.z -anchor w -side top -fill y
    pack $w -anchor w -fill both -expand on
    bind $w.x <Return> "newxentry $xvar"
    bind $w.y <Return> "newyentry $yvar"
    bind $w.z <Return> "newzentry $zvar"
}

# Create edit buttons
proc edit1 { w } {
    frame $w
    button $w.pos -width 8 -text "POS" -relief raised -command selectpos
    button $w.edit -width 8 -text "EDIT" -relief raised -command selectedit
    button $w.add -width 8 -text "ADD" -relief raised -command selectadd
    button $w.del -width 8 -text "DEL" -relief raised -command selectdel
    pack $w.pos -anchor w -side top -fill y
    pack $w.edit -anchor w -side top -fill y
    pack $w.add -anchor w -side top -fill y
    pack $w.del -anchor w -side top -fill y
    pack $w -anchor w -fill both -expand on
}

proc edit2 { w } {
    frame $w
    button $w.newx -width 8 -text "NEWX" -relief raised -command "selectnew x"
    button $w.newy -width 8 -text "NEWY" -relief raised -command "selectnew y"
    button $w.newz -width 8 -text "NEWZ" -relief raised -command "selectnew z"
    button $w.save -width 8 -text "SAVE" -relief raised -command ast_save
    pack $w.newx -anchor w -side top -fill y
    pack $w.newy -anchor w -side top -fill y
    pack $w.newz -anchor w -side top -fill y
    pack $w.save -anchor w -side top -fill y
    pack $w -anchor w -fill both -expand on
}

proc edit3 { w } {
    global editwidth editheight
    frame $w
    int $w.w "Width" editwidth newwidth
    int $w.h "Height" editheight newheight
    pack $w.w -anchor w -side top -fill y
    pack $w.h -anchor w -side top -fill y
    pack $w -anchor w -fill both -expand on
}

proc edit4 { w } {
    global shaded transparent door
    frame $w
    bool $w.shaded "Shaded" shaded newattribute
    bool $w.transp "Transparent" transparent newattribute
    bool $w.door "Door" door newattribute
    pack $w.shaded -anchor w -side top -fill y
    pack $w.transp -anchor w -side top -fill y
    pack $w.door -anchor w -side top -fill y
    pack $w -anchor w -fill both -expand on
}

proc edit5 { w } {
    global scaling
    global zoom
    frame $w
    minimenu $w.scale "Scale" scaling
    menu $w.scale.x.menu -title "Scaling"
    $w.scale.x.menu add radiobutton -label "1x" -variable scaling \
	-value "1x" -command "newscale 0"
    $w.scale.x.menu add radiobutton -label "2x" -variable scaling \
	-value "2x" -command "newscale 1"
    $w.scale.x.menu add radiobutton -label "4x" -variable scaling \
	-value "4x" -command "newscale 2"
    minimenu $w.zoom "Zoom" zoom
    menu $w.zoom.x.menu -title "Zoom"
    $w.zoom.x.menu add radiobutton -label "1x" -variable zoom \
	-value "1x" -command "newzoom 1"
    $w.zoom.x.menu add radiobutton -label "2x" -variable zoom \
	-value "2x" -command "newzoom 2"
    $w.zoom.x.menu add radiobutton -label "4x" -variable zoom \
	-value "4x" -command "newzoom 4"
    $w.zoom.x.menu add radiobutton -label "8x" -variable zoom \
	-value "8x" -command "newzoom 8"
    $w.zoom.x.menu add radiobutton -label "16x" -variable zoom \
	-value "16x" -command "newzoom 16"
    $w.zoom.x.menu add radiobutton -label "32x" -variable zoom \
	-value "32x" -command "newzoom 32"
    $w.zoom.x.menu add radiobutton -label "64x" -variable zoom \
	-value "64x" -command "newzoom 64"
    $w.zoom.x.menu add radiobutton -label "128x" -variable zoom \
	-value "128x" -command "newzoom 128"
    int $w.texture "Texture" texture newtexture
    pack $w.scale -anchor w -side top -fill y
    pack $w.zoom -anchor w -side top -fill y
    pack $w.texture -anchor w -side top -fill y
    pack $w -anchor w -fill both -expand on
}

# Create Bottom part of edit controls
proc xyzedit { w } {
    frame $w
    edit3 $w.edt3
    edit4 $w.edt4
    edit5 $w.edt5
    pack $w.edt3 -anchor w -side left -fill y
    pack $w.edt4 -anchor w -side left -fill y
    pack $w.edt5 -anchor w -side left -fill y
    pack $w -anchor w -fill both -expand on
}

# Create middle part of edit controls
proc xyzcoords { w } {
    global xpos ypos zpos
    global xpt1 ypt1 zpt1
    global xpt2 ypt2 zpt2
    global xpt3 ypt3 zpt3
    global xpt4 ypt4 zpt4
    frame $w
    coords $w.pos "POS" xpos ypos zpos selectpos
    coords $w.pt1 "PT 1" xpt1 ypt1 zpt1 selectpt1
    coords $w.pt2 "PT 2" xpt2 ypt2 zpt2 selectpt2
    coords $w.pt3 "PT 3" xpt3 ypt3 zpt3 selectpt3
    coords $w.pt4 "PT 4" xpt4 ypt4 zpt4 selectpt4
    edit1 $w.edt1
    edit2 $w.edt2
    pack $w.pos -anchor w -side left -fill y
    pack $w.pt1 -anchor w -side left -fill y
    pack $w.pt2 -anchor w -side left -fill y
    pack $w.pt3 -anchor w -side left -fill y
    pack $w.pt4 -anchor w -side left -fill y
    pack $w.edt1 -anchor w -side left -fill y
    pack $w.edt2 -anchor w -side left -fill y
    pack $w -anchor w -fill both -expand on
}

# Create sliders in upper part of edit controls
proc xyzscale { w } {
    global xscale yscale zscale
    frame $w
    scale $w.x -from 0 -to 32767 -length 512 -variable xscale \
	-orient horizontal -showvalue false -command "newxscale"
    scale $w.y -from 0 -to 32767 -length 512 -variable yscale \
	-orient horizontal -showvalue false -command "newyscale"
    scale $w.z -from 0 -to 32767 -length 512 -variable zscale \
	-orient horizontal -showvalue false -command "newzscale"
    pack $w.x -anchor w -side top -fill y
    pack $w.y -anchor w -side top -fill y
    pack $w.z -anchor w -side top -fill y
    pack $w -anchor w -fill both -expand on
}

# Create edit controls
proc editcontrols { w } {
    frame $w
    xyzscale $w.scale
    xyzcoords $w.coords
    xyzedit $w.edit
    pack $w.scale -side top -fill both -expand true
    pack $w.coords -side top -fill both -expand true
    pack $w -side top -fill both -expand true
}

set xnull 0; set ynull 0; set znull 0
set xpos 16384; set ypos 16384; set zpos 16384
set zcurrent zpos
set xpt1 0; set ypt1 0; set zpt1 0
set xpt2 0; set ypt2 0; set zpt2 0
set xpt3 0; set ypt3 0; set zpt3 0
set xpt4 0; set ypt4 0; set zpt4 0
set editwidth 0; set editheight 0
set shaded 0; set transparent 0; set door 0
set scaleno 0; set scaling 1x; set zoom 1x; set texture 0
set xmin 0; set xmax 32767
set ymin 0; set ymax 32767
set zmin 0; set zmax 32767

editcontrols .c
selectpos