晋太元中，武陵人捕鱼为业。缘溪行，忘路之远近。忽逢桃花林，夹岸数百步，中无杂树，芳草鲜美，落英缤纷。渔人甚异之，复前行，欲穷其林。 　　林尽水源，便得一山，山有小口，仿佛若有光。便舍船，从口入。初极狭，才通人。复行数十步，豁然开朗。土地平旷，屋舍俨然，有良田、美池、桑竹之属。阡陌交通，鸡犬相闻。其中往来种作，男女衣着，悉如外人。黄发垂髫，并怡然自乐。 　　见渔人，乃大惊，问所从来。具答之。便要还家，设酒杀鸡作食。村中闻有此人，咸来问讯。自云先世避秦时乱，率妻子邑人来此绝境，不复出焉，遂与外人间隔。问今是何世，乃不知有汉，无论魏晋。此人一一为具言所闻，皆叹惋。余人各复延至其家，皆出酒食。停数日，辞去。此中人语云：“不足为外人道也。”(间隔 一作：隔绝) 　　既出，得其船，便扶向路，处处志之。及郡下，诣太守，说如此。太守即遣人随其往，寻向所志，遂迷，不复得路。 　　南阳刘子骥，高尚士也，闻之，欣然规往。未果，寻病终。后遂无问津者。 .
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User : rainic ( 1014)
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Directory :  /usr/share/tk8.6/demos/

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current_dir [ Writeable ] document_root [ Writeable ]

 

Current File : //usr/share/tk8.6/demos/hscale.tcl
# hscale.tcl --
#
# This demonstration script shows an example with a horizontal scale.

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

package require Tk

set w .hscale
catch {destroy $w}
toplevel $w
wm title $w "Horizontal Scale Demonstration"
wm iconname $w "hscale"
positionWindow $w

label $w.msg -font $font -wraplength 3.5i -justify left -text "An arrow and a horizontal scale are displayed below.  If you click or drag mouse button 1 in the scale, you can change the length of the arrow."
pack $w.msg -side top -padx .5c

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

frame $w.frame -borderwidth 10
pack $w.frame -side top -fill x

canvas $w.frame.canvas -width 50 -height 50 -bd 0 -highlightthickness 0
$w.frame.canvas create polygon 0 0 1 1 2 2 -fill DeepSkyBlue3 -tags poly
$w.frame.canvas create line 0 0 1 1 2 2 0 0 -fill black -tags line
scale $w.frame.scale -orient horizontal -length 284 -from 0 -to 250 \
	-command "setWidth $w.frame.canvas" -tickinterval 50
pack $w.frame.canvas -side top -expand yes -anchor s -fill x  -padx 15
pack $w.frame.scale -side bottom -expand yes -anchor n
$w.frame.scale set 75

proc setWidth {w width} {
    incr width 21
    set x2 [expr {$width - 30}]
    if {$x2 < 21} {
	set x2 21
    }
    $w coords poly 20 15 20 35 $x2 35 $x2 45 $width 25 $x2 5 $x2 15 20 15
    $w coords line 20 15 20 35 $x2 35 $x2 45 $width 25 $x2 5 $x2 15 20 15
}

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