#! /usr/bin/wish

package require Tclx

set STREAM "https://rawk.distorted.org.uk/rawk"
catch { source $env(HOME)/.play-rawk }

set CMD [list \
	     gst-launch-1.0 uridecodebin uri=$STREAM ! \
	     pulsesink client-name=play-rawk]

set kidstat -
set playing false
set status "\[Not started]"

proc update-status {} {
  global kidstat playing status
  set r [gets $kidstat line]
  if {$r >= 0} {
    set status $line
  } elseif {[eof $kidstat]} {
    close $kidstat
    set playing false
    .play configure -text "Play"
    set status "\[Stopped]"
  }
}

proc infanticide {} {
  global playing kidstat

  if {$playing} { catch { kill [pid $kidstat] } }
}

proc toggle-playing {} {
  global CMD playing kidstat

  if {$playing} {
    infanticide
  } else {
    set kidstat [open "|$CMD 2>@1"]
    fconfigure $kidstat -blocking false -buffering line
    fileevent $kidstat readable update-status
    .play configure -text "Stop"
    set playing true
  }
}

proc byebye {} {
  infanticide
  exit 0
}

button .play \
    -text "Play" \
    -command "toggle-playing"
entry .status \
    -state readonly \
    -width 48 \
    -textvariable status
pack .play -side left -padx 2 -pady 2
pack .status -side left -padx 2 -pady 2 -fill x -expand true
bind . "q" { byebye }
bind . "z" { wm iconify . }
bind . <space> { .play invoke }
##bind . <KeyPress> { puts "key <%K>" }
wm protocol . "WM_DELETE_WINDOW" { byebye }