# Author: Detlef Groth
# License MIT 
# Version 0.1 working and usable
# might be extended later for more commands

package require Tk
package require snit
package provide SnitMPlayer 0.1
# http://www.mplayerhq.hu/DOCS/tech/slave.txt

snit::widget SnitMPlayer {
    option -infile ""
    variable mplayer ""
    variable position 0:00
    constructor {args} {
        $self configurelist $args
        frame $win.f -container yes
        pack $win.f -fill both -expand yes
        set fid [open "|mplayer  -vo xv -zoom -slave -ss 10:00 -quiet -idle -fstype fullscreen -wid [winfo id $win.f] $options(-infile)" r+]
        # -ss 12:12 ;# should be an option to jump at an specific position
        fconfigure $fid -blocking 0 -buffering line
        fileevent $fid readable [mymethod ReadPipe $fid]
        set mplayer $fid
        set toolbar [frame $win.toolbar]
        pack [button $win.toolbar.btnopen -command [mymethod fileOpen] -image fileopen-16] -side left -padx 5 -pady 5
        pack [button $win.toolbar.btnpaase -command [mymethod mplayerCmd] -image playpause16] -side left -padx 5 -pady 5
        pack [button $win.toolbar.btnstart -command [mymethod mplayerCmd "set_property time_pos 0"] -image player_start-16] -side left -padx 5 -pady 5
        pack [button $win.toolbar.btnforward -command [mymethod mplayerCmd "seek -10"] -image 1leftarrow-16] -side left -padx 5 -pady 5
        pack [button $win.toolbar.btnbackward -command [mymethod mplayerCmd "seek +10"] -image 1rightarrow-16] -side left -padx 5 -pady 5
        pack [button $win.toolbar.btnend -command [mymethod mplayerCmd "seek 99.5 1"] -image player_end-16] -side left -padx 5 -pady 5

        pack [button $win.toolbar.btnaudiodn -command [mymethod mplayerCmd "volume -10"] -image actitemdelete16] -side left -padx 5 -pady 5

        pack [button $win.toolbar.btnaudioup -command [mymethod mplayerCmd "volume +10"] -image actitemadd16] -side left -padx 5 -pady 5
        pack [entry $win.toolbar.pos -textvariable [myvar position] -width 6] -side left -padx 5 -pady 5
        bind $win.toolbar.pos <Return> [mymethod gotoPosition]
        pack [button $win.toolbar.btnexit -command [mymethod exit] -image actcross16] -side left -padx 5 -pady 5
        #ToDo
        #pack [button $win.btn2 -command [mymethod mplayerCmd "set_property time_pos 300"] -text min5] -side top
        #pack [button $win.btn3 -command [mymethod mplayerCmd "get_percent_pos"] -text perc] -side top
        
        
    }
    typeconstructor {
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        }
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        }
        image create photo player_start-16 -data {
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        }
        image create photo player_end-16 -data {
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        }

        image create photo player_stop-16 -data {
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        }
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        image create photo playpause16 -data {
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        image create photo actitemdelete16 -data {
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        image create photo actcross16 -data {
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    }
    destructor {
        puts $mplayer "quit"
        flush $mplayer
    }
    method addToolbar {} {
        pack $win.toolbar -side top -expand false -anchor c
    }
    method ReadPipe {chan} {
        set d [read $chan]
        foreach line [split $d \n] {
            set line [string trim $line]
            puts $line
        }
        if {[eof $chan]} {
            fileevent $chan readable {}
            close $chan
            set mplayer ""
        }
    }
    method fileOpen {} {
        set types {
            {{Video Files}       {.avi .mp4}        }
            {{Audio Files}       {.mp3 .ogg}        }
            {{All Files}        *             }
        }
        set filename [tk_getOpenFile -filetypes $types]
        if {$filename != ""} {
            $self mplayerCmd stop
            after 500        
            # Open the file ...
            $self mplayerCmd "loadfile $filename"
            }
    }
    method mplayerCmd {{arg pause}} {
        puts $mplayer $arg
        flush $mplayer
    }
    method gotoPosition {} {
        set pos [split $position ":"]
        set seconds [expr {[lindex $pos 0]*60+[lindex $pos 1]}]
        $self mplayerCmd "seek $seconds 2"
    }
    method exit {} {
        $self mplayerCmd "stop"
        #rename $win ""
    }

}

if {$argv0 eq [info script]} {
    SnitMPlayer .top -infile /run/media/user/0123-4567/Videos/Filme/Obl.mp4
    pack .top -fill both -expand yes
    .top addToolbar
}