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|
proc ::toxy::kbout {path target remote oldchord newchord} {
foreach key $oldchord {
pd [concat $target _cb [lindex $key 0] 0 \;]
if {$remote != "."} {
pd [concat $remote [lindex $key 0] 0 \;]
}
}
foreach key $newchord {
pd [concat $target _cb [lindex $key 0] [lindex $key 1] \;]
if {$remote != "."} {
pd [concat $remote [lindex $key 0] [lindex $key 1] \;]
}
}
}
proc ::toxy::kbput {path target remote keys appendmode doout} {
set oldchord {}
set newchord {}
if {$appendmode} {
foreach key $keys {
set ndx [lindex $key 0]
# FIXME upper limit
if {$ndx >= 0} {
if {$appendmode == 1} {
set found \
[lsearch $::toxy::kbchord($target) [concat $ndx *]]
} else { set found -1 }
if {$found < 0} {
$path itemconfig $path.$ndx -fill grey
lappend newchord $key
lappend ::toxy::kbchord($target) $key
} else {
$path itemconfig $path.$ndx \
-fill [lindex [$path gettags $path.$ndx] 2]
lappend oldchord $key
set ::toxy::kbchord($target) \
[lreplace $::toxy::kbchord($target) $found $found]
}
}
}
# FIXME oldchord
set ::toxy::kbchord($target) \
[lsort -unique -integer -index 0 $::toxy::kbchord($target)]
} else {
set oldchord $::toxy::kbchord($target)
foreach key $::toxy::kbchord($target) {
set ndx [lindex $key 0]
$path itemconfig $path.$ndx \
-fill [lindex [$path gettags $path.$ndx] 2]
}
foreach key $keys {
set ndx [lindex $key 0]
# FIXME upper limit
if {$ndx >= 0} {
$path itemconfig $path.$ndx -fill grey
lappend newchord $key
}
}
set ::toxy::kbchord($target) [lsort -unique -integer -index 0 $newchord]
}
if {$doout} {
::toxy::kbout $path $target $remote $oldchord $newchord
}
}
proc ::toxy::kb {path target remote noctaves size} {
# guard against BadAlloc crashes
if {$size > 10} {set size 10}
set lft [expr {round(5 * $size)}]
set top [expr {round(5 * $size)}]
set bot [expr {round(100 * $size)}]
set dx [expr {round(17 * $size)}]
set wid [expr {round($dx - $size * .5)}]
set blbot [expr {round($bot * .65)}]
$path config -height [expr {$bot + $top}] \
-width [expr {$dx * ($noctaves * 7 + 1) + $lft * 2 - 1}]
bind $path <Enter> +[concat ::toxy::kbenter $path $target]
bind $path <Leave> +[concat ::toxy::kbleave $path $target]
bind $path <B1-Motion> \
+[concat ::toxy::kbdrag $path $target $remote %X %Y 0]
bind $path <B1-Shift-Motion> \
+[concat ::toxy::kbdrag $path $target $remote %X %Y 1]
bind $path <B1-Control-Motion> \
+[concat ::toxy::kbdrag $path $target $remote %X %Y 2]
for {set octave 0} {$octave <= $noctaves} {incr octave} {
set prevkey 0
foreach key {0 2 4 5 7 9 11} {
set ndx [expr $octave * 12 + $key]
set id [$path create rect $lft $top [expr {$lft + $wid}] $bot \
-fill white -tags "$ndx $path.$ndx white"]
$path bind $id <1> \
[concat ::toxy::kbpress $path $target $remote $ndx %y 0]
$path bind $id <Shift-1> \
[concat ::toxy::kbpress $path $target $remote $ndx %y 1]
$path bind $id <Control-1> \
[concat ::toxy::kbcontrolon $path $target $remote $ndx %y]
$path bind $id <Control-ButtonRelease> \
[concat ::toxy::kbcontroloff $path $target $remote $ndx]
if {$key - $prevkey > 1} {
incr ndx -1
set x [expr {$lft - $wid * .22}]
set id [$path create rect $x $top [expr {$x + $wid * .44}] \
$blbot -fill black -tags "$ndx $path.$ndx black"]
$path bind $id <1> \
[concat ::toxy::kbpress $path $target $remote $ndx %y 0]
$path bind $id <Shift-1> \
[concat ::toxy::kbpress $path $target $remote $ndx %y 1]
$path bind $id <Control-1> \
[concat ::toxy::kbcontrolon $path $target $remote $ndx %y]
$path bind $id <Control-ButtonRelease> \
[concat ::toxy::kbcontroloff $path $target $remote $ndx]
}
set prevkey $key
incr lft $dx
if {$octave == $noctaves && $key == 0} break
}
}
set ::toxy::kbisinside($target) 0
set chord $::toxy::kbchord($target)
set ::toxy::kbchord($target) {}
::toxy::kbput $path $target $remote $chord 0 0
}
proc ::toxy::kbgetvel {path ndx y} {
set g [$path coords $path.$ndx]
set top [lindex $g 1]
set bot [lindex $g 3]
set vel [expr 100.0 - 99.0 * ($top - $y) / ($top - $bot)]
if {$vel < 1.0} {set vel 1.0} elseif {$vel > 100.0} {set vel 100.0}
return $vel
}
proc ::toxy::kbcontrolon {path target remote ndx y} {
if {[$path cget -state] == "normal"} {
$path itemconfig $path.$ndx -fill red
::toxy::kbout $path $target $remote {} \
[list [concat $ndx [::toxy::kbgetvel $path $ndx $y]]]
}
}
proc ::toxy::kbcontroloff {path target remote ndx} {
if {[$path cget -state] == "normal"} {
if {[lsearch $::toxy::kbchord($target) [concat $ndx *]] < 0} {
$path itemconfig $path.$ndx \
-fill [lindex [$path gettags $path.$ndx] 2]
} else {
$path itemconfig $path.$ndx -fill grey
}
::toxy::kbout $path $target $remote [list [concat $ndx 0]] {}
}
}
proc ::toxy::kbpress {path target remote ndx y shift} {
if {[$path cget -state] == "normal"} {
::toxy::kbput $path $target $remote \
[list [concat $ndx [::toxy::kbgetvel $path $ndx $y]]] $shift 1
}
}
proc ::toxy::kbdrag {path target remote rx ry shift} {
if {$shift <= 1 && $::toxy::kbisinside($target) && \
[$path cget -state] == "normal"} {
set x [expr $rx - [winfo rootx $path]]
set y [expr $ry - [winfo rooty $path]]
set ndx [lindex [$path gettags [$path find closest $x $y]] 0]
if {[lsearch $::toxy::kbchord($target) [concat $ndx *]] < 0} {
::toxy::kbput $path $target $remote \
[list [concat $ndx [::toxy::kbgetvel $path $ndx $y]]] $shift 1
}
}
}
proc ::toxy::kbenter {path target} {
set ::toxy::kbisinside($target) 1
}
proc ::toxy::kbleave {path target} {
set ::toxy::kbisinside($target) 0
}
proc ::toxy::kbbang {path target remote} {
::toxy::kbout $path $target $remote {} $::toxy::kbchord($target)
}
proc ::toxy::kbfloat {path target remote ndx} {
::toxy::kbput $path $target $remote [list [concat $ndx 50.0]] 0 1
}
proc ::toxy::kblist {path target remote args} {
# LATER (::toxy::kbput ... 1)
}
proc ::toxy::kbset {path target remote args} {
# LATER (::toxy::kbput ... 0)
}
#> kb canvas
#. -bg yellow -cursor hand1
#. #oct 4 #size .75
#. @bang ::toxy::kbbang .- .| .
#. @float ::toxy::kbfloat .- .| . .#1
#. @list ::toxy::kblist .- .| . .#args
#. @set ::toxy::kbset .- .| . .#args
#. @clear ::toxy::kbput .- .| . {} 0 1
::toxy::kb .- .| . .#oct .#size
#@ new
set ::toxy::kbchord(.|) {}
#@ free
unset ::toxy::kbchord(.|)
|
