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package provide pdwindow 0.1
namespace eval ::pdwindow:: {
variable logbuffer {}
variable tclentry {}
variable tclentry_history {"console show"}
variable history_position 0
variable linecolor 0 ;# is toggled to alternate text line colors
variable logmenuitems
variable maxloglevel 4
variable lastlevel 0
variable filtering 0 ;# flag to mark when the filtering is running
variable currentcursor ;# store cursor to reset after filtering
namespace export create_window
namespace export pdtk_post
namespace export pdtk_pd_dsp
namespace export pdtk_pd_meters
namespace export pdtk_pd_dio
}
# TODO make the Pd window save its size and location between running
proc ::pdwindow::set_layout {} {
variable maxloglevel
.pdwindow.text.internal tag configure log0 -foreground "#d00" -background "#ffe0e8"
.pdwindow.text.internal tag configure log1 -foreground "#d00"
# log2 messages are normal black on white
.pdwindow.text.internal tag configure log3 -foreground "#484848"
# 0-20(4-24) is a rough useful range of 'verbose' levels for impl debugging
set start 4
set end 25
for {set i $start} {$i < $end} {incr i} {
set B [expr int(($i - $start) * (40 / ($end - $start))) + 50]
.pdwindow.text.internal tag configure log${i} -foreground grey${B}
}
}
# grab focus on part of the Pd window when Pd is busy
proc ::pdwindow::busygrab {} {
# set the mouse cursor to look busy and grab focus so it stays that way
.pdwindow.text configure -cursor watch
grab set .pdwindow.text
}
# release focus on part of the Pd window when Pd is finished
proc ::pdwindow::busyrelease {} {
.pdwindow.text configure -cursor xterm
grab release .pdwindow.text
}
# ------------------------------------------------------------------------------
# pdtk functions for 'pd' to send data to the Pd window
proc ::pdwindow::buffer_message {object_id level message} {
variable logbuffer
lappend logbuffer $object_id $level $message
}
proc ::pdwindow::insert_log_line {object_id level message} {
if {$object_id eq ""} {
.pdwindow.text.internal insert end $message log$level
} else {
.pdwindow.text.internal insert end $message [list log$level obj$object_id]
.pdwindow.text.internal tag bind obj$object_id <$::modifier-ButtonRelease-1> \
"::pdwindow::select_by_id $object_id; break"
.pdwindow.text.internal tag bind obj$object_id <Key-Return> \
"::pdwindow::select_by_id $object_id; break"
.pdwindow.text.internal tag bind obj$object_id <Key-KP_Enter> \
"::pdwindow::select_by_id $object_id; break"
}
}
# this is one "chunk" of the filtering, scheduled by "after idle"
proc ::pdwindow::filter_one_chunk {start_position} {
variable logbuffer
variable maxloglevel
set end_position [expr $start_position + 3000]
while {$start_position < $end_position && $start_position < [llength $logbuffer]} {
set object_id [lindex $logbuffer $start_position]
incr start_position
set level [lindex $logbuffer $start_position]
incr start_position
set message [lindex $logbuffer $start_position]
incr start_position
if { $level <= $::loglevel || $maxloglevel == $::loglevel} {
insert_log_line $object_id $level $message
}
}
if {$start_position < [llength $logbuffer]} {
after idle [list after 0 ::pdwindow::filter_one_chunk $start_position]
} else {
after idle [list after 10 ::pdwindow::filter_complete [expr $start_position / 3]]
}
}
proc ::pdwindow::filter_complete {num} {
variable filtering
variable currentcursor
.pdwindow.text.internal yview end
.pdwindow.text.internal configure -cursor $currentcursor
set filtering 0
::pdwindow::verbose 10 "The Pd window filtered $num lines\n"
}
# this has 'args' to satisfy trace, but its not used
proc ::pdwindow::filter_buffer_to_text {args} {
variable maxloglevel
variable filtering
variable currentcursor
set filtering 1
# set the mouse cursor to a watch while busy
set currentcursor [.pdwindow.text.internal cget -cursor]
.pdwindow.text.internal configure -cursor watch
.pdwindow.text.internal delete 0.0 end
after idle [list after 0 ::pdwindow::filter_one_chunk 0]
}
proc ::pdwindow::select_by_id {args} {
if [llength $args] { # Is $args empty?
pdsend "pd findinstance $args"
}
}
# logpost posts to Pd window with an object to trace back to and a
# 'log level'. The logpost and related procs are for generating
# messages that are useful for debugging patches. They are messages
# that are meant for the Pd programmer to see so that they can get
# information about the patches they are building
proc ::pdwindow::logpost {object_id level message} {
variable maxloglevel
variable lastlevel $level
buffer_message $object_id $level $message
# if the level is low enough, and the Pd window is not busy
# filtering thru the buffer, and the pdwindow has already been
# created, then insert the message into the Pd window text widget
if {$level <= $::loglevel &&
! $::pdwindow::filtering &&
[llength [info commands .pdwindow.text.internal]] } {
# cancel any pending move of the scrollbar, and schedule it
# after writing a line. This way the scrollbar is only moved once
# when the inserting has finished, greatly speeding things up
after cancel .pdwindow.text.internal yview end
insert_log_line $object_id $level $message
after idle .pdwindow.text.internal yview end
}
# -stderr only sets $::stderr if 'pd-gui' is started before 'pd'
if {$::stderr} {puts stderr $message}
}
# shortcuts for posting to the Pd window
proc ::pdwindow::fatal {message} {logpost {} 0 $message}
proc ::pdwindow::error {message} {logpost {} 1 $message}
proc ::pdwindow::post {message} {logpost {} 2 $message}
proc ::pdwindow::debug {message} {logpost {} 3 $message}
# for backwards compatibility
proc ::pdwindow::bug {message} {logpost {} 3 $message}
proc ::pdwindow::pdtk_post {message} {post $message}
proc ::pdwindow::endpost {} {
variable linecolor
variable lastlevel
logpost {} $lastlevel "\n"
set linecolor [expr ! $linecolor]
}
# this verbose proc has a separate numbering scheme since its for
# debugging implementations, and therefore falls outside of the 0-3
# numbering on the Pd window. They should only be shown in ALL mode.
proc ::pdwindow::verbose {level message} {
incr level 4
logpost {} $level $message
}
# clear the log and the buffer
proc ::pdwindow::clear_console {} {
variable logbuffer {}
.pdwindow.text.internal delete 0.0 end
}
# save the contents of the pdwindow::logbuffer to a file
proc ::pdwindow::save_logbuffer_to_file {} {
variable logbuffer
set filename [tk_getSaveFile -initialfile "pdwindow.txt" -defaultextension .txt]
if {$filename eq ""} return; # they clicked cancel
set f [open $filename w]
puts $f "Pd $::PD_MAJOR_VERSION.$::PD_MINOR_VERSION.$::PD_BUGFIX_VERSION.$::PD_TEST_VERSION on $::windowingsystem"
puts $f "Tcl/Tk [info patchlevel]"
puts $f "------------------------------------------------------------------------------"
puts $f $logbuffer
close $f
}
#--compute audio/DSP checkbutton-----------------------------------------------#
# set the checkbox on the "Compute Audio" menuitem and checkbox
proc ::pdwindow::pdtk_pd_dsp {value} {
# TODO canvas_startdsp/stopdsp should really send 1 or 0, not "ON" or "OFF"
if {$value eq "ON"} {
set ::dsp 1
.pdwindow.header.frame.dsp configure -background green
} else {
set ::dsp 0
.pdwindow.header.frame.dsp configure -background lightgray
}
}
proc ::pdwindow::pdtk_pd_dio {red} {
if {$red == 1} {
.pdwindow.header.dio configure -foreground red
} else {
.pdwindow.header.dio configure -foreground lightgray
}
}
#--VU meter procedures---------------------------------------------------------#
proc ::pdwindow::calc_vu_color {position} {
if {$position > 32} {
return "#DF3A32"
} elseif {$position > 30} {
return "#EEAD54"
} elseif {$position > 25} {
return "#E9E448"
} elseif {$position > 0} {
return "#65DF37"
} else {
return "#6CEFF1"
}
}
proc ::pdwindow::create_vu {tkcanvas name} {
for {set i 0} {$i<40} {incr i} {
set x [expr $i * 4]
$tkcanvas create line $x 2 $x 18 -width 3 -tag "$name$i" \
-fill [calc_vu_color $i] -state hidden
}
}
proc ::pdwindow::set_vu {name db} {
# TODO figure out the actual math here to properly map the incoming values
set elements [expr ($db + 1) / 3]
for {set i 0} {$i<$elements} {incr i} {
.pdwindow.header.vu.$name itemconfigure "$name$i" -state normal
}
for {set i $elements} {$i<40} {incr i} {
.pdwindow.header.vu.$name itemconfigure "$name$i" -state hidden
}
}
proc ::pdwindow::pdtk_pd_meters {indb outdb inclip outclip} {
# puts stderr [concat meters $indb $outdb $inclip $outclip]
set_vu in $indb
if {$inclip == 1} {
.pdwindow.header.cliplabel.in configure -background red
} else {
.pdwindow.header.cliplabel.in configure -background lightgray
}
set_vu out $outdb
if {$outclip == 1} {
.pdwindow.header.cliplabel.out configure -background red
} else {
.pdwindow.header.cliplabel.out configure -background lightgray
}
}
#--bindings specific to the Pd window------------------------------------------#
proc ::pdwindow::pdwindow_bindings {} {
# these bindings are for the whole Pd window, minus the Tcl entry
foreach window {.pdwindow.text .pdwindow.header} {
bind $window <$::modifier-Key-x> "tk_textCut .pdwindow.text"
bind $window <$::modifier-Key-c> "tk_textCopy .pdwindow.text"
bind $window <$::modifier-Key-v> "tk_textPaste .pdwindow.text"
}
# Select All doesn't seem to work unless its applied to the whole window
bind .pdwindow <$::modifier-Key-a> ".pdwindow.text tag add sel 1.0 end"
# the "; break" part stops executing another binds, like from the Text class
bind .pdwindow.text <Key-Tab> "focus .pdwindow.tcl.entry; break"
# bindings for the Tcl entry widget
bind .pdwindow.tcl.entry <$::modifier-Key-a> "%W selection range 0 end; break"
bind .pdwindow.tcl.entry <Return> "::pdwindow::eval_tclentry"
bind .pdwindow.tcl.entry <Up> "::pdwindow::get_history 1"
bind .pdwindow.tcl.entry <Down> "::pdwindow::get_history -1"
bind .pdwindow.tcl.entry <KeyRelease> +"::pdwindow::validate_tcl"
# these don't do anything in the Pd window, so alert the user, then break
# so no more bindings run
bind .pdwindow <$::modifier-Key-s> "bell; break"
bind .pdwindow <$::modifier-Key-p> "bell; break"
# ways of hiding/closing the Pd window
if {$::windowingsystem eq "aqua"} {
# on Mac OS X, you can close the Pd window, since the menubar is there
bind .pdwindow <$::modifier-Key-w> "wm withdraw .pdwindow"
wm protocol .pdwindow WM_DELETE_WINDOW "wm withdraw .pdwindow"
} else {
# TODO should it possible to close the Pd window and keep Pd open?
bind .pdwindow <$::modifier-Key-w> "wm iconify .pdwindow"
wm protocol .pdwindow WM_DELETE_WINDOW "pdsend \"pd verifyquit\""
}
}
#--Tcl entry procs-------------------------------------------------------------#
proc ::pdwindow::eval_tclentry {} {
variable tclentry
variable tclentry_history
variable history_position 0
if {$tclentry eq ""} {return} ;# no need to do anything if empty
if {[catch {uplevel #0 $tclentry} errorname]} {
global errorInfo
switch -regexp -- $errorname {
"missing close-brace" {
::pdwindow::error [concat [_ "(Tcl) MISSING CLOSE-BRACE '\}': "] $errorInfo]\n
} "missing close-bracket" {
::pdwindow::error [concat [_ "(Tcl) MISSING CLOSE-BRACKET '\]': "] $errorInfo]\n
} "^invalid command name" {
::pdwindow::error [concat [_ "(Tcl) INVALID COMMAND NAME: "] $errorInfo]\n
} default {
::pdwindow::error [concat [_ "(Tcl) UNHANDLED ERROR: "] $errorInfo]\n
}
}
}
lappend tclentry_history $tclentry
set tclentry {}
}
proc ::pdwindow::get_history {direction} {
variable tclentry_history
variable history_position
incr history_position $direction
if {$history_position < 0} {set history_position 0}
if {$history_position > [llength $tclentry_history]} {
set history_position [llength $tclentry_history]
}
.pdwindow.tcl.entry delete 0 end
.pdwindow.tcl.entry insert 0 \
[lindex $tclentry_history end-[expr $history_position - 1]]
}
proc ::pdwindow::validate_tcl {} {
variable tclentry
if {[info complete $tclentry]} {
.pdwindow.tcl.entry configure -background "white"
} else {
.pdwindow.tcl.entry configure -background "#FFF0F0"
}
}
#--create tcl entry-----------------------------------------------------------#
proc ::pdwindow::create_tcl_entry {} {
# Tcl entry box frame
label .pdwindow.tcl.label -text [_ "Tcl:"] -anchor e
pack .pdwindow.tcl.label -side left
entry .pdwindow.tcl.entry -width 200 \
-exportselection 1 -insertwidth 2 -insertbackground blue \
-textvariable ::pdwindow::tclentry -font {$::font_family 12}
pack .pdwindow.tcl.entry -side left -fill x
# bindings for the Tcl entry widget
bind .pdwindow.tcl.entry <$::modifier-Key-a> "%W selection range 0 end; break"
bind .pdwindow.tcl.entry <Return> "::pdwindow::eval_tclentry"
bind .pdwindow.tcl.entry <Up> "::pdwindow::get_history 1"
bind .pdwindow.tcl.entry <Down> "::pdwindow::get_history -1"
bind .pdwindow.tcl.entry <KeyRelease> +"::pdwindow::validate_tcl"
bind .pdwindow.text <Key-Tab> "focus .pdwindow.tcl.entry; break"
}
proc ::pdwindow::set_findinstance_cursor {widget key state} {
set triggerkeys [list Control_L Control_R Meta_L Meta_R]
if {[lsearch -exact $triggerkeys $key] > -1} {
if {$state == 0} {
$widget configure -cursor xterm
} else {
$widget configure -cursor based_arrow_up
}
}
}
#--create the window-----------------------------------------------------------#
proc ::pdwindow::create_window {} {
variable logmenuitems
set ::loaded(.pdwindow) 0
# colorize by class before creating anything
option add *PdWindow*Entry.highlightBackground "lightgray" startupFile
option add *PdWindow*Frame.background "lightgray" startupFile
option add *PdWindow*Label.background "lightgray" startupFile
option add *PdWindow*Checkbutton.background "lightgray" startupFile
option add *PdWindow*Menubutton.background "lightgray" startupFile
option add *PdWindow*Text.background "white" startupFile
option add *PdWindow*Entry.background "white" startupFile
toplevel .pdwindow -class PdWindow
wm title .pdwindow [_ "Pd-extended"]
set ::windowname(.pdwindow) [_ "Pd-extended"]
if {$::windowingsystem eq "x11"} {
wm minsize .pdwindow 400 75
} else {
wm minsize .pdwindow 400 51
}
wm geometry .pdwindow =500x400+20+50
.pdwindow configure -menu .menubar
frame .pdwindow.header -borderwidth 1 -relief flat
pack .pdwindow.header -side top -fill x -ipady 5
frame .pdwindow.header.spacer -borderwidth 0
pack .pdwindow.header.spacer -side left -fill y -anchor w -ipadx 1
checkbutton .pdwindow.header.meters -variable ::meters -takefocus 1 \
-command {pdsend "pd meters $::meters"}
pack .pdwindow.header.meters -side left -fill y -anchor w -padx 5 -pady 10
frame .pdwindow.header.vu -borderwidth 0
pack .pdwindow.header.vu -side left
canvas .pdwindow.header.vu.in -width 150 -height 20 -background "#3F3F3F" \
-highlightthickness 1 -highlightbackground lightgray
create_vu .pdwindow.header.vu.in "in"
canvas .pdwindow.header.vu.out -width 150 -height 20 -background "#3F3F3F" \
-highlightthickness 1 -highlightbackground lightgray
create_vu .pdwindow.header.vu.out "out"
pack .pdwindow.header.vu.in -side top
pack .pdwindow.header.vu.out -side top
frame .pdwindow.header.cliplabel -borderwidth 0
pack .pdwindow.header.cliplabel -side left
label .pdwindow.header.cliplabel.in -text [_ "IN"] -width 4
label .pdwindow.header.cliplabel.out -text [_ "OUT"] -width 4
pack .pdwindow.header.cliplabel.in .pdwindow.header.cliplabel.out -side top
frame .pdwindow.header.frame -borderwidth 0 -padx 5
pack .pdwindow.header.frame -side right
checkbutton .pdwindow.header.frame.dsp -text [_ "DSP"] -variable ::dsp \
-font {$::font_family 18 bold} -takefocus 1 -padx 5 \
-borderwidth 0 -command {pdsend "pd dsp $::dsp"}
pack .pdwindow.header.frame.dsp -side right -fill y -anchor e -padx 5 -pady 0
# DIO button
label .pdwindow.header.dio -text [_ "audio I/O error"] -borderwidth 0 \
-foreground lightgray -takefocus 0 -font {$::font_family 14}
pack .pdwindow.header.dio -side right -fill y -padx 30 -pady 0
# Tcl entry box and log level frame
frame .pdwindow.tcl -borderwidth 0
pack .pdwindow.tcl -side bottom -fill x
frame .pdwindow.tcl.pad
pack .pdwindow.tcl.pad -side right -padx 12
set loglevels {0 1 2 3 4}
lappend logmenuitems "0 [_ fatal]"
lappend logmenuitems "1 [_ error]"
lappend logmenuitems "2 [_ normal]"
lappend logmenuitems "3 [_ debug]"
lappend logmenuitems "4 [_ all]"
set logmenu \
[eval tk_optionMenu .pdwindow.tcl.logmenu ::loglevel $loglevels]
.pdwindow.tcl.logmenu configure
foreach i $loglevels {
$logmenu entryconfigure $i -label [lindex $logmenuitems $i]
}
trace add variable ::loglevel write ::pdwindow::filter_buffer_to_text
# TODO figure out how to make the menu traversable with the keyboard
#.pdwindow.tcl.logmenu configure -takefocus 1
pack .pdwindow.tcl.logmenu -side right
label .pdwindow.tcl.loglabel -text [_ "Log:"] -anchor e
pack .pdwindow.tcl.loglabel -side right
label .pdwindow.tcl.label -text [_ "Tcl:"] -anchor e
pack .pdwindow.tcl.label -side left
entry .pdwindow.tcl.entry -width 200 \
-exportselection 1 -insertwidth 2 -insertbackground blue \
-textvariable ::pdwindow::tclentry -font {$::font_family 12}
pack .pdwindow.tcl.entry -side left -fill x
# TODO this should use the pd_font_$size created in pd-gui.tcl
text .pdwindow.text -relief raised -bd 2 -font {-size 10} \
-highlightthickness 0 -borderwidth 1 -relief flat \
-yscrollcommand ".pdwindow.scroll set" -width 60 \
-undo false -autoseparators false -maxundo 1 -takefocus 0
scrollbar .pdwindow.scroll -command ".pdwindow.text.internal yview"
pack .pdwindow.scroll -side right -fill y
pack .pdwindow.text -side right -fill both -expand 1
raise .pdwindow
focus .pdwindow.text
# run bindings last so that .pdwindow.tcl.entry exists
pdwindow_bindings
# set cursor to show when clicking in 'findinstance' mode
bind .pdwindow <KeyPress> "+::pdwindow::set_findinstance_cursor %W %K %s"
bind .pdwindow <KeyRelease> "+::pdwindow::set_findinstance_cursor %W %K %s"
# wait until .pdwindow.text is visible before opening files so that
# the loading logic can grab it and put up the busy cursor
tkwait visibility .pdwindow.text
# hack to make a good read-only text widget from http://wiki.tcl.tk/1152
rename ::.pdwindow.text ::.pdwindow.text.internal
proc ::.pdwindow.text {args} {
switch -exact -- [lindex $args 0] {
"insert" {}
"delete" {}
"default" { return [eval ::.pdwindow.text.internal $args] }
}
}
# print whatever is in the queue after the event loop finishes
after idle [list after 0 ::pdwindow::filter_buffer_to_text]
set ::loaded(.pdwindow) 1
# set some layout variables
::pdwindow::set_layout
}