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|
# LATER transfer the `standard' toxy setup definitions into a tcl package
# LATER think about using a slave interpreter, and a toxy-specific connection
# LATER ask for adding something of the sort to pd.tk:
bind Canvas <1> {+focus %W}
# In order to keep the state after our canvas has been destroyed
# (i.e. our subpatch closed) -- use 'store' and 'restore' handlers,
# if defined, otherwise try setting -variable and -textvariable traces.
proc ::toxy::itemdotrace {target varname ndxname op} {
if {[catch {set v [set $varname]}] == 0} {
if {$v != [set $varname.last]} {
# FIXME activate this on demand (for explicit traces)
# pd $target.rp _value $v \;
set $varname.last $v
}
} else { puts stderr [concat failed ::toxy::itemdotrace] }
}
proc ::toxy::itembindtrace {varname mastername ndxname op} {
set $varname [set $mastername]
}
proc ::toxy::itemsettrace {op path target varname} {
if {[catch {$path cget $op} res] == 0} {
if {$res == ""} {
if {[catch {$path config $op $varname} err]} {
error $err
}
} else {
if {[info tclversion] < 8.4} {
trace variable $res w "::toxy::itembindtrace $varname"
} else {
trace add variable $res write "::toxy::itembindtrace $varname"
}
}
if {![info exists $varname.last]} { set $varname.last "" }
if {[info tclversion] < 8.4} {
trace variable $varname w "::toxy::itemdotrace $target"
} else {
trace add variable $varname write "::toxy::itemdotrace $target"
}
return
} else { return 0 }
}
# LATER revisit -- seems clumsy and fragile
proc ::toxy::itemremovetrace {op path varname} {
if {[catch {$path cget $op} res] == 0} {
if {$res == $varname} {
if {[catch {$path config $op ""} err]} {
error $err
}
} elseif {$res != ""} {
if {[info tclversion] < 8.4} {
catch { trace vdelete $res w "::toxy::itembindtrace $varname" }
} else {
catch { trace remove variable \
$res write "::toxy::itembindtrace $varname" }
}
}
}
}
proc ::toxy::itemdestroy {path varname} {
::toxy::itemremovetrace -variable $path $varname.var
::toxy::itemremovetrace -textvariable $path $varname.txt
if {[info tclversion] < 8.4} {
catch { unset $varname.last $varname.var $varname.txt $varname }
} else {
unset -nocomplain $varname.last $varname.var $varname.txt $varname
}
catch {destroy $path}
}
proc ::toxy::itemgetconfig {path target} {
pd $target.rp _config $target.rp [$path cget -bg] \
[winfo reqwidth $path] [winfo reqheight $path] \
[catch {$path config -state normal}]\;
}
proc ::toxy::itemvisconfig {path target name varname cvpath px py} {
if {[info exists ::toxy::itemoptions]} {
catch {eval $path config $::toxy::itemoptions}
unset ::toxy::itemoptions
}
$cvpath create window $px $py \
-anchor nw -window $path -tags [concat toxy$name $target]
# FIXME
if {[info exists ::toxy::storethispath]} {
# FIXME explicit traces
set needtraces 0
} else {
set needtraces 1
}
if {$needtraces != 0} {
if {[catch {::toxy::itemsettrace -variable \
$path $target $varname.var} res1]} {
error $res1
}
if {[catch {::toxy::itemsettrace -textvariable \
$path $target $varname.txt} res2]} {
error $res2
}
# puts stderr [concat traces: ($res1) ($res2)]
if {$res1 == 0 && $res2 == 0} {
# puts stderr [concat toxy warning: $path untraceable]
}
}
if {[info exists ::toxy::masterinits]} {
catch {eval $::toxy::masterinits}
unset ::toxy::masterinits
}
if {[info exists ::toxy::typeinits]} {
catch {eval $::toxy::typeinits}
unset ::toxy::typeinits
}
if {[info exists ::toxy::iteminits]} {
catch {eval $::toxy::iteminits}
unset ::toxy::iteminits
}
::toxy::itemgetconfig $path $target
return
}
proc ::toxy::itemvis {tkclass path target name varname cvpath px py} {
if {[winfo exists $path]} {
# puts [concat $path exists]
set ::toxy::itemfailure 0
} else {
set ::toxy::itemfailure [catch {$tkclass $path} ::toxy::itemerrmess]
}
if {$::toxy::itemfailure == 0} {
set ::toxy::itemfailure [catch {::toxy::itemvisconfig \
$path $target $name $varname $cvpath $px $py} \
::toxy::itemerrmess]
}
if {$::toxy::itemfailure} {
if {[winfo exists $path]} {destroy $path}
pd $target.rp _failure $::toxy::itemerrmess \;
}
}
proc ::toxy::itemclick {target cvpath x y b f} {
pd $target.rp _click \
[$cvpath canvasx [expr $x - [winfo rootx $cvpath]]] \
[$cvpath canvasy [expr $y - [winfo rooty $cvpath]]] $b $f\;
}
# FIXME
proc ::toxy::scalecommand {target sel v} {
pd [concat $target $sel $v \;]
}
proc ::toxy::popupcommand {path target remote i text} {
set [$path cget -textvariable] $text
pd [concat $target _cb $i \;]
if {$remote != "."} {
pd [concat $remote $i \;]
}
}
proc ::toxy::popup {path target remote entries args} {
eval {menu $path.pop} $args
set i 1
foreach e $entries {
$path.pop add command -label [lindex $e 0] \
-command [concat ::toxy::popupcommand $path $target $remote $i \
[lindex $e [expr {[llength $e] > 1}]]]
incr i
}
}
# the default initializer
#> default
# empirically, binding event coords as %X - [winfo rootx .^.c] works better,
# than %x + [winfo x %W], or %x + t->te_xpix, LATER investigate
# pdtk_canvas_mouseup is a hack, which we must call anyway
bind .- <ButtonRelease> {
eval .<|_inout 3.>
pdtk_canvas_mouseup .^.c \
[expr %X - [winfo rootx .^.c]] [expr %Y - [winfo rooty .^.c]] %b
}
bind .- <1> {::toxy::itemclick .| .^.c %X %Y %b 0}
bind .- <Shift-1> {::toxy::itemclick .| .^.c %X %Y %b 1}
bind .- <Control-1> {::toxy::itemclick .| .^.c %X %Y %b 2}
bind .- <Control-Shift-1> {::toxy::itemclick .| .^.c %X %Y %b 3}
bind .- <Alt-1> {::toxy::itemclick .| .^.c %X %Y %b 4}
bind .- <Alt-Shift-1> {::toxy::itemclick .| .^.c %X %Y %b 5}
bind .- <Alt-Control-1> {::toxy::itemclick .| .^.c %X %Y %b 6}
bind .- <Alt-Control-Shift-1> {::toxy::itemclick .| .^.c %X %Y %b 7}
bind .- <3> {::toxy::itemclick .| .^.c %X %Y %b 8}
bind .- <Motion> .<|_motion \
[.^.c canvasx [expr %X - [winfo rootx .^.c]]] \
[.^.c canvasy [expr %Y - [winfo rooty .^.c]]] 0.>
bind .- <Enter> .<|_inout 1.>
bind .- <Leave> .<|_inout 0.>
# standard widget types
#> bang button
#. -image ::toxy::img::empty -command .<.>
#. -bg pink -activebackground red -width 50 -height 50
#. @bang .- flash .: .- invoke
#> float scale
#. -command [concat ::toxy::scalecommand .| _cb]
#. -bg pink -activebackground red -length 200
#. @float .- set .#1
#> symbol entry
#. -bg pink -font .(helvetica 24.) -width 16
#. @symbol .- delete 0 end .: .- insert 0 .#1
bind .- <Return> {eval .<[.- get].>; focus .^.c}
#> popup menubutton
#. -menu .-.pop
#. -bg purple -fg white -activebackground magenta -width 8 -text popup
#. @float if .(.#1 >= 1.) .(.-.pop invoke .#1.)
#. #items test
#. #iprops "-bg" purple "-fg" white "-activebackground" magenta
::toxy::popup .- .| . [concat .#items] .#iprops
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