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package require BLT
set afterId -1
set dashOffset 0
set nextColor -1
set autocolors {
#DCFFD8
#FFD0D0
#D4D5FF
#FFFFC9
#D6FBFF
#EDD3FF
#E7FFCF
#FFEAC3
#D9E5FF
#C4FFE0
#FFD5ED
#FFDBA8
#B5CFFF
#FF7684
#85FF9B
#CEFFF8
#FFDFD0
#D0FFCF
#AFFFFF
#FFFFC2
#FFE0F4
#D8E9FF
#ECD5FF
#D2FFCA
#FFF9C4
#EFFFD8
}
set bg1 grey90
set bg2 [blt::paintbrush create color -color blue -opacity 30]
set bg3 [blt::paintbrush create linear -jitter 3 \
-colorscale linear \
-from w \
-to e \
-high grey90 -low grey98 \
-repeat reversing]
proc NextColor {} {
global nextColor autocolors
incr nextColor
if { $nextColor >= [llength $autocolors] } {
set nextColor 0
}
return [lindex $autocolors $nextColor]
}
proc MarchingAnts { canvas id } {
global afterId dashOffset
incr dashOffset
$canvas itemconfigure $id -activedashoffset $dashOffset
set afterId [after 100 [list MarchingAnts $canvas $id]]
}
proc Activate { canvas id } {
global afterId dashOffset
$canvas itemconfigure $id -state active -activebg [NextColor]
set dashOffset -1
after cancel $afterId
MarchingAnts $canvas $id
$canvas raise $id
}
proc Deactivate { canvas id bg } {
global afterId
$canvas itemconfigure $id -state normal -bg $bg
after cancel $afterId
}
blt::scrollset .ss \
-xscrollbar .ss.xs \
-yscrollbar .ss.ys \
-window .ss.c
blt::tk::scrollbar .ss.ys
blt::tk::scrollbar .ss.xs
canvas .ss.c -bg white -width 600 -height 400
blt::table . \
0,0 .ss -fill both
if 1 {
set id [.ss.c create label 300 200 \
-text "Hello, World" \
-bg $bg1 \
-activebg red3 -activelinewidth 2 -activedashes 4 \
-linewidth 1 \
-scaletofit 1 \
-anchor c \
-textanchor w \
-padx 10 \
-pady 0 \
-font "Courier 10" \
-rotate 0 \
-width 0 \
-height 0]
if 0 {
set id [.ss.c create label 300 200 \
-text "Hello, World" \
-bg $bg1 \
-activebg red3 -activelinewidth 2 -activedashes 4 \
-linewidth 1 \
-anchor e \
-textanchor c \
-padx 0 \
-font "Arial 10" \
-rotate 90 \
-width 150 \
-height 50]
.ss.c bind $id <Enter> [list Activate .ss.c $id]
.ss.c bind $id <Leave> [list Deactivate .ss.c $id $bg1]
set id [.ss.c create label 300 200 \
-text "Hello, World" \
-bg $bg2 \
-activebg red3 -activelinewidth 2 -activedashes 4 \
-linewidth 1 \
-anchor c \
-textanchor c \
-padx 0 \
-font "Arial 10" \
-scaletofit 0 \
-rotate 45 \
-width 150 \
-height 50]
}
}
blt::table . \
0,0 .ss -fill both
.ss.c bind $id <Enter> [list Activate .ss.c $id]
.ss.c bind $id <Leave> [list Deactivate .ss.c $id $bg2]
set x2 [expr [winfo reqwidth .ss.c] - 10]
set y2 [expr [winfo reqheight .ss.c] - 10]
#.ss.c configure -scrollregion [list 0 0 $x2 $y2]
bind .ss.c <4> {
set cx [expr [winfo width .ss.c] / 2]
set cy [expr [winfo height .ss.c] / 2]
.ss.c scale all $cx $cy 1.1 1.1
}
bind .ss.c <5> {
set cx [expr [winfo width .ss.c] / 2]
set cy [expr [winfo height .ss.c] / 2]
.ss.c scale all $cx $cy 0.9 0.9
}
bind .ss.c <KeyPress-Up> {
set cx [expr [winfo width .ss.c] / 2]
set cy [expr [winfo height .ss.c] / 2]
.ss.c scale all $cx $cy 1.1 1.1
}
bind .ss.c <KeyPress-Down> {
set cx [expr [winfo width .ss.c] / 2]
set cy [expr [winfo height .ss.c] / 2]
.ss.c scale all $cx $cy 0.9 0.9
}
focus .ss.c
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