/usr/share/tcltk/tklib0.6/plotchart/plottable.tcl is in tklib 0.6-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Routines for drawing a table and its contents
#
# DrawTableFrame --
# Draw the horizontal and vertical lines for the table
#
# Arguments:
# w Widget in which to draw
#
proc ::Plotchart::DrawTableFrame { w } {
variable scaling
variable config
set pxmin [lindex $scaling($w,leftside) 0]
set pxmax [lindex $scaling($w,rightside) end]
set pymin $scaling($w,topside)
#Config #Config
$w create line $pxmin $pymin $pxmax $pymin -fill $config($w,frame,color) \
-width $config($w,frame,outerwidth) -tag frame
set scaling($w,hseparator) [$w create line $pxmin $pymin $pxmin $pymin \
-fill $config($w,frame,color) -width $config($w,frame,outerwidth) -tag frame]
set scaling($w,vseparators) {}
set linewidth "outerwidth"
foreach left $scaling($w,leftside) {
lappend scaling($w,vseparators) [$w create line $left $pymin $left $pymin \
-fill $config($w,frame,color) -width $config($w,frame,$linewidth) -tag frame]
set linewidth "innerwidth"
}
set right [lindex $scaling($w,rightside) end]
lappend scaling($w,vseparators) [$w create line $right $pymin $right $pymin \
-fill $config($w,frame,color) -width $config($w,frame,outerwidth) -tag frame]
}
# SetFormatCommand --
# Set the format command
#
# Arguments:
# w Widget in which to draw
# command Command to use
#
proc ::Plotchart::SetFormatCommand { w command } {
variable scaling
set fullname [uplevel 2 [list namespace which $command]]
if { $fullname == "" } {
return -code error "No such command or procedure: $command"
} else {
set scaling($w,formatcommand) $fullname
}
}
# DefaultFormat --
# Default routine for formatting the contents of a cell
#
# Arguments:
# chart Table chart name
# w Widget in which to draw
# row Row of the current cell
# column Column of the current cell
# value Value to draw
#
# Result:
# String to be drawn
#
# Note:
# Does not set any cell properties
#
proc ::Plotchart::DefaultFormat { chart w row column value } {
return $value
}
# TextAnchor --
# Determine the position of the text in a cell
#
# Arguments:
# chart Table chart name
# type Type of cell
# left Left side of the cell
# right Right side of the cell
#
# Result:
# X and Y-coordinate and anchor
#
proc ::Plotchart::TextAnchor { w type left right } {
variable scaling
variable config
set ypos [expr {$scaling($w,topside) + $config($w,cell,topspace)}]
switch -- $config($w,$type,anchor) {
"left" {
set anchor nw
set xpos [expr {$left + $config($w,cell,leftspace)}]
}
"right" {
set anchor ne
set xpos [expr {$right - $config($w,cell,rightspace)}]
}
"center" -
default {
set anchor n
set xpos [expr {($left + $right) / 2.0}]
}
}
return [list $xpos $ypos $anchor]
}
#
# DrawRow --
# Draw a single row
#
# Arguments:
# w Widget in which to draw
# values Values to fill the row with
# option Option for drawing
#
# Note:
# This does not take care at all of any configuration options!
#
proc ::Plotchart::DrawRow { w values {option {}} } {
variable scaling
variable config
if { [llength $values] < [llength $scaling($w,leftside)] } {
return -code error "Too few values to fill the row"
}
if { $option eq "header" } {
foreach v $values left $scaling($w,leftside) right $scaling($w,rightside) {
foreach {xpos ypos anchor} [TextAnchor $w header $left $right] {break}
$w create rectangle $left $scaling($w,topside) $right [expr {$scaling($w,topside)+$config($w,header,height)}] \
-tag cellbg -fill $scaling($w,cell,-background) -outline $scaling($w,cell,-background)
if { [info exists config($w,header,font)] } {
$w create text $xpos $ypos -text $v -fill $config($w,header,color) -anchor $anchor \
-font $config($w,header,font)
} else {
$w create text $xpos $ypos -text $v -fill $config($w,header,color) -anchor $anchor
}
}
} else {
# TODO
set type oddrow
if { $scaling($w,row) % 2 == 0 } {
set type evenrow
}
set column 0
foreach value $values left $scaling($w,leftside) right $scaling($w,rightside) {
foreach {xpos ypos anchor} [TextAnchor $w cell $left $right] {break}
set scaling($w,left) $left
set scaling($w,right) $right
set scaling($w,hasworld) 0
set text [$scaling($w,formatcommand) table_$w $w $scaling($w,row) $column $value]
if { $scaling($w,cell,-background) ne "" } {
$w create rectangle $left $scaling($w,topside) $right [expr {$scaling($w,topside)+$config($w,$type,height)}] \
-tag cellbg -fill $scaling($w,cell,-background) -outline $scaling($w,cell,-background)
}
if { [info exists scaling($w,cell,-font)] } {
$w create text $xpos $ypos -text $text -anchor $anchor -tag celltext \
-fill $scaling($w,cell,-color) -font $scaling($w,cell,-font)
} else {
$w create text $xpos $ypos -text $text -anchor $anchor -tag celltext \
-fill $scaling($w,cell,-color)
}
incr column
}
}
set oldtop $scaling($w,toptable)
set scaling($w,topside) [expr {$scaling($w,topside) + $config($w,evenrow,height)}]
$w coords $scaling($w,hseparator) [lindex $scaling($w,leftside) 0] $scaling($w,topside) \
[lindex $scaling($w,rightside) end] $scaling($w,topside)
foreach vseparator $scaling($w,vseparators) hcoord $scaling($w,leftside) {
if { $hcoord == {} } {
set hcoord [lindex $scaling($w,rightside) end]
}
$w coords $vseparator $hcoord $oldtop $hcoord $scaling($w,topside)
}
incr scaling($w,row)
$w lower cellbg
$w raise celltext
$w raise frame
}
#
# DrawSeparator --
# Draw a horizontal separator
#
# Arguments:
# w Widget in which to draw
#
proc ::Plotchart::DrawSeparator { w } {
variable scaling
variable config
set left [lindex $scaling($w,leftside) 0]
set right [lindex $scaling($w,rightside) end]
$w create line $left $scaling($w,topside) $right $scaling($w,topside) -tag frame \
-fill $config($w,frame,color) -width $config($w,frame,innerwidth)
$w raise frame
}
# ConfigureTableCell --
# Set the properties of the "current" table cell
#
# Arguments:
# w Widget in which to draw
# args List of key-value pairs
#
proc ::Plotchart::ConfigureTableCell { w args } {
variable scaling
variable config
foreach {key value} $args {
switch -- $key {
"-background" -
"-color" -
"-font" -
"-justify" {
set scaling($w,cell,$key) $value
}
"-anchor" {
#
# Problem: this takes effect in the _next_ cell!
#
set config($w,cell,anchor) $value
}
default {
return -code error "Unknown cell property: $key"
}
}
}
}
# TableCellCoordinates --
# Get the pixel coordinates of the "current" table cell
#
# Arguments:
# w Widget in which to draw
#
proc ::Plotchart::TableCellCoordinates { w } {
variable scaling
variable config
return [list $scaling($w,left) $scaling($w,topside) $scaling($w,right) [expr {$scaling($w,topside)+$config($w,evenrow,height)}]]
}
# TableWorldCoordinates --
# Set the world coordinates for the "current" table cell
#
# Arguments:
# w Widget in which to draw
# xmin Minimum x-coordinate
# ymin Minimum y-coordinate
# xmax Maximum x-coordinate
# ymax Maximum y-coordinate
#
proc ::Plotchart::TableWorldCoordinates { w xmin ymin xmax ymax } {
variable scaling
variable config
viewPort $w $scaling($w,left) $scaling($w,topside) \
$scaling($w,right) [expr {$scaling($w,topside)+$config($w,evenrow,height)}]
worldCoordinates $w $xmin $ymin $xmax $ymax
set scaling($w,hasworld) 1
}
# TableWorldToPixels --
# Convert the world coordinates for the "current" table cell to pixels
#
# Arguments:
# w Widget in which to draw
# args Either a single argument (list of xy-pairs) or separate
# argumentns representing xy-pairs
#
proc ::Plotchart::TableWorldToPixels { w args } {
variable scaling
if { [llength $args] == 1 } {
set coords [lindex $args 0]
} else {
set coords $args
}
if { $scaling($w,hasworld) } {
set pixelCoords {}
foreach {x y} $coords {
set pixelCoords [concat $pixelCoords [coordsToPixel $w $x $y]]
}
set coords $pixelCoords
}
return $coords
}
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