1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429
|
proc Blt_ActiveLegend { graph } {
$graph legend bind all <Enter> [list blt::ActivateLegend $graph ]
$graph legend bind all <Leave> [list blt::DeactivateLegend $graph]
$graph legend bind all <ButtonPress-1> [list blt::HighlightLegend $graph]
}
proc Blt_Crosshairs { graph } {
blt::Crosshairs $graph
}
proc Blt_ZoomStack { graph } {
blt::ZoomStack $graph
}
proc Blt_PrintKey { graph } {
blt::PrintKey $graph
}
proc Blt_ClosestPoint { graph } {
blt::ClosestPoint $graph
}
#
# The following procedures that reside in the "blt" namespace are
# supposed to be private.
#
proc blt::ActivateLegend { graph } {
set elem [$graph legend get current]
$graph legend activate $elem
}
proc blt::DeactivateLegend { graph } {
set elem [$graph legend get current]
$graph legend deactivate $elem
}
proc blt::HighlightLegend { graph } {
set elem [$graph legend get current]
set relief [$graph element cget $elem -labelrelief]
if { $relief == "flat" } {
$graph element configure $elem -labelrelief raised
$graph element activate $elem
} else {
$graph element configure $elem -labelrelief flat
$graph element deactivate $elem
}
}
proc blt::Crosshairs { graph } {
$graph crosshairs on
bind bltCrosshairs <Any-Motion> {
%W crosshairs configure -position @%x,%y
}
$graph crosshairs configure -color red
blt::AddBindTag $graph bltCrosshairs
}
proc blt::ZoomStack { graph } {
global zoomInfo
set zoomInfo($graph,A,x) {}
set zoomInfo($graph,A,y) {}
set zoomInfo($graph,B,x) {}
set zoomInfo($graph,B,y) {}
set zoomInfo($graph,stack) {}
set zoomInfo($graph,corner) A
bind $graph <1> {
blt::SetZoomPoint %W %x %y
}
bind $graph <ButtonPress-3> {
if { [%W inside %x %y] } {
blt::ResetZoom %W
}
}
}
proc blt::PrintKey { graph } {
bind bltPrintGraph <Shift-ButtonRelease-3> { Blt_PostScriptDialog %W }
blt::AddBindTag $graph bltPrintGraph
}
proc blt::ClosestPoint { graph } {
bind bltClosestPoint <Control-ButtonPress-1> {
blt::FindElement %W %x %y
break
}
blt::AddBindTag $graph bltClosestPoint
}
proc blt::AddBindTag { graph name } {
set oldtags [bindtags $graph]
if { [lsearch $oldtags $name] < 0 } {
bindtags $graph [concat $name $oldtags]
}
}
proc blt::FindElement { graph x y } {
if ![$graph element closest $x $y info -interpolate yes] {
beep
return
}
# --------------------------------------------------------------
# find(name) - element Id
# find(index) - index of closest point
# find(x) find(y) - coordinates of closest point
# or closest point on line segment.
# find(dist) - distance from sample coordinate
# --------------------------------------------------------------
foreach i [array names info] {
puts stderr "info($i) = $info($i)"
}
set markerName "bltClosest_$info(name)"
catch { $graph marker delete $markerName }
$graph marker create text -coords { $info(x) $info(y) } \
-name $markerName \
-text "$info(name): $info(dist)\nindex $info(index)" \
-font *lucida*-r-*-10-* \
-anchor center -justify left \
-yoffset 0 -bg {}
set coords [$graph invtransform $x $y]
set nx [lindex $coords 0]
set ny [lindex $coords 1]
$graph marker create line -coords "$nx $ny $info(x) $info(y)" \
-name line.$markerName
blt::FlashPoint $graph $info(name) $info(index) 10
blt::FlashPoint $graph $info(name) [expr $info(index) + 1] 10
}
proc blt::FlashPoint { graph name index count } {
if { $count & 1 } {
$graph element deactivate $name
} else {
$graph element activate $name $index
}
incr count -1
if { $count > 0 } {
after 200 blt::FlashPoint $graph $name $index $count
update
} else {
eval $graph marker delete [$graph marker names "bltClosest_*"]
}
}
proc blt::GetCoords { graph x y index } {
#
# We're using the default axes, instead of transforming through
# the specific axes, because it handles inverted axes automatically
#
#puts stderr "$x,$y ==>" nonewline
set coords [$graph invtransform $x $y]
set nx [lindex $coords 0]
set ny [lindex $coords 1]
set x $nx
set y $ny
scan [$graph xaxis limits] "%s %s" xmin xmax
scan [$graph yaxis limits] "%s %s" ymin ymax
set padx [expr ($xmax - $xmin) * 0.00]
set pady [expr ($ymax - $ymin) * 0.00]
if { $x > $xmax } {
set x [expr $xmax + $padx]
} elseif { $x < $xmin } {
set x [expr $xmin - $padx]
}
if { $y > $ymax } {
set y [expr $ymax + $pady]
} elseif { $y < $ymin } {
set y [expr $ymin - $pady]
}
global zoomInfo
set zoomInfo($graph,$index,x) $x
set zoomInfo($graph,$index,y) $y
}
proc blt::MarkPoint { graph index } {
global zoomInfo
set x $zoomInfo($graph,$index,x)
set y $zoomInfo($graph,$index,y)
set marker "zoomText_$index"
set text [format "x=%.4g\ny=%.4g" $x $y]
if [$graph marker exists $marker] {
$graph marker configure $marker -coords { $x $y } -text $text
} else {
$graph marker create text -coords { $x $y } -name $marker \
-font *lucida*-r-*-10-* \
-text $text -anchor center -bg {} -justify left
}
}
proc blt::DestroyZoomTitle { graph } {
global zoomInfo
if { $zoomInfo($graph,corner) == "A" } {
catch { $graph marker delete "zoomTitle" }
}
}
proc blt::PopZoom { graph } {
global zoomInfo
set zoomStack $zoomInfo($graph,stack)
if { [llength $zoomStack] > 0 } {
set cmd [lindex $zoomStack 0]
set zoomInfo($graph,stack) [lrange $zoomStack 1 end]
eval $cmd
blt::ZoomTitleLast $graph
busy hold $graph
update
after 2000 "blt::DestroyZoomTitle $graph"
busy release $graph
} else {
catch { $graph marker delete "zoomTitle" }
}
}
# Push the old axis limits on the stack and set the new ones
proc blt::PushZoom { graph } {
eval $graph marker delete [$graph marker names "zoom*"]
global zoomInfo
set x1 $zoomInfo($graph,A,x)
set y1 $zoomInfo($graph,A,y)
set x2 $zoomInfo($graph,B,x)
set y2 $zoomInfo($graph,B,y)
if { ($x1 == $x2) && ($y1 == $y2) } {
# No delta, revert to start
return
}
set cmd [format {
%s xaxis configure -min "%s" -max "%s"
%s yaxis configure -min "%s" -max "%s"
} $graph [$graph xaxis cget -min] [$graph xaxis cget -max] \
$graph [$graph yaxis cget -min] [$graph yaxis cget -max] ]
if { $x1 > $x2 } {
$graph xaxis configure -min $x2 -max $x1
} elseif { $x1 < $x2 } {
$graph xaxis configure -min $x1 -max $x2
}
if { $y1 > $y2 } {
$graph yaxis configure -min $y2 -max $y1
} elseif { $y1 < $y2 } {
$graph yaxis configure -min $y1 -max $y2
}
set zoomInfo($graph,stack) [linsert $zoomInfo($graph,stack) 0 $cmd]
busy hold $graph
update
busy release $graph
}
proc blt::ResetZoom { graph } {
global zoomInfo
eval $graph marker delete [$graph marker names "zoom*"]
if { $zoomInfo($graph,corner) == "A" } {
# Reset the whole axis
blt::PopZoom $graph
} else {
set zoomInfo($graph,corner) A
bind $graph <Motion> { }
}
}
option add *zoomTitle.font -*-helvetica-bold-o-*-*-18-*-*-*-*-*-*-*
option add *zoomTitle.shadow black
option add *zoomTitle.foreground yellow
option add *zoomTitle.coords "-Inf Inf"
proc blt::ZoomTitleNext { graph } {
global zoomInfo
set level [expr [llength $zoomInfo($graph,stack)] + 1]
if { [$graph cget -invertxy] } {
set coords "-Inf -Inf"
} else {
set coords "-Inf Inf"
}
$graph marker create text -name "zoomTitle" -text "Zoom #$level" \
-coords $coords -bindtags "" -anchor nw
}
proc blt::ZoomTitleLast { graph } {
global zoomInfo
set level [llength $zoomInfo($graph,stack)]
if { $level > 0 } {
$graph marker create text -name "zoomTitle" -text "Zoom #$level" -anchor nw
}
}
proc blt::SetZoomPoint { graph x y } {
global zoomInfo
blt::GetCoords $graph $x $y $zoomInfo($graph,corner)
if { $zoomInfo($graph,corner) == "A" } {
if { ![$graph inside $x $y] } {
return
}
# First corner selected, start watching motion events
#blt::MarkPoint $graph A
blt::ZoomTitleNext $graph
bind $graph <Any-Motion> {
blt::GetCoords %W %x %y B
#blt::MarkPoint $graph B
blt::Box %W
}
set zoomInfo($graph,corner) B
} else {
bind $graph <Any-Motion> { }
blt::PushZoom $graph
set zoomInfo($graph,corner) A
}
}
option add *zoomOutline.dashes "dash"
option add *zoomTitle.anchor nw
option add *zoomOutline.lineWidth 2
option add *zoomOutline.xor yes
proc blt::Box { graph } {
global zoomInfo
if { $zoomInfo($graph,A,x) > $zoomInfo($graph,B,x) } {
set x1 $zoomInfo($graph,B,x)
set x2 $zoomInfo($graph,A,x)
set y1 $zoomInfo($graph,B,y)
set y2 $zoomInfo($graph,A,y)
} else {
set x1 $zoomInfo($graph,A,x)
set x2 $zoomInfo($graph,B,x)
set y1 $zoomInfo($graph,A,y)
set y2 $zoomInfo($graph,B,y)
}
set coords { $x1 $y1 $x2 $y1 $x2 $y2 $x1 $y2 $x1 $y1 }
if { [$graph marker exists "zoomOutline"] } {
$graph marker configure "zoomOutline" -coords $coords
} else {
$graph marker create line -coords $coords -name "zoomOutline" \
-mapx [$graph xaxis use] -mapy [$graph yaxis use]
}
}
proc Blt_PostScriptDialog { graph } {
set top $graph.top
toplevel $top
foreach var { center landscape maxpect preview decorations padx
pady paperwidth paperheight width height colormode } {
global $graph.$var
set $graph.$var [$graph postscript cget -$var]
}
set row 1
set col 0
label $top.title -text "PostScript Options"
table $top $top.title -cspan 7
foreach bool { center landscape maxpect preview decorations } {
set w $top.$bool-label
label $w -text "-$bool" -font *courier*-r-*12*
table $top $row,$col $w -anchor e -pady { 2 0 } -padx { 0 4 }
set w $top.$bool-yes
global $graph.$bool
radiobutton $w -text "yes" -variable $graph.$bool -value 1
table $top $row,$col+1 $w -anchor w
set w $top.$bool-no
radiobutton $w -text "no" -variable $graph.$bool -value 0
table $top $row,$col+2 $w -anchor w
incr row
}
label $top.modes -text "-colormode" -font *courier*-r-*12*
table $top $row,0 $top.modes -anchor e -pady { 2 0 } -padx { 0 4 }
set col 1
foreach m { color greyscale } {
set w $top.$m
radiobutton $w -text $m -variable $graph.colormode -value $m
table $top $row,$col $w -anchor w
incr col
}
set row 1
frame $top.sep -width 2 -bd 1 -relief sunken
table $top $row,3 $top.sep -fill y -rspan 6
set col 4
foreach value { padx pady paperwidth paperheight width height } {
set w $top.$value-label
label $w -text "-$value" -font *courier*-r-*12*
table $top $row,$col $w -anchor e -pady { 2 0 } -padx { 0 4 }
set w $top.$value-entry
global $graph.$value
entry $w -textvariable $graph.$value -width 8
table $top $row,$col+1 $w -cspan 2 -anchor w -padx 8
incr row
}
table configure $top c3 -width .125i
button $top.cancel -text "Cancel" -command "destroy $top"
table $top $row,0 $top.cancel -width 1i -pady 2 -cspan 3
button $top.reset -text "Reset" -command "destroy $top"
#table $top $row,1 $top.reset -width 1i
button $top.print -text "Print" -command "blt::ResetPostScript $graph"
table $top $row,4 $top.print -width 1i -pady 2 -cspan 2
}
proc blt::ResetPostScript { graph } {
foreach var { center landscape maxpect preview decorations padx
pady paperwidth paperheight width height colormode } {
global $graph.$var
set old [$graph postscript cget -$var]
if { [catch {$graph postscript configure -$var [set $graph.$var]}] != 0 } {
$graph postscript configure -$var $old
set $graph.$var $old
}
}
$graph postscript output "out.ps"
puts stdout "wrote file \"out.ps\"."
flush stdout
}
|