Example #1
0
    def __init__(self):
        gtk.Window.__init__(self)

        self.conf = Config.Config()

        #MIDI Connections Object
        self.conn = Connections()
        if 'input_device' in self.conf.value:
            self.conn.change_input_device(self.conf.value['input_device'])
            
        self.player = PlayerThreadSong(self.conn)
        self.player.start()
        self.player_pattern = PlayerThread(self.conn)
        self.player_pattern.start()

        self.set_title("Desfonema Sequencer " + VERSION)
        self.set_icon_from_file("dseq.png")
        self.filename = ''

        self.song = Song()

        self.set_default_size(900,500)
        self.set_size_request(900,500)
        
        #Close, destroy!
        self.connect("delete_event", self.quit_program)

        # A vBox to contain my own drawing and a menu
        vbox = gtk.VBox(False, 0)

        #File Menu (much like seq24)
        file_menu = gtk.MenuItem("_File")

        # We create the menu widget
        menu = gtk.Menu()
        
        #And keyboard Shortcuts
        accel_group = gtk.AccelGroup()
        self.add_accel_group(accel_group)

        #New Menu
        menu_items = gtk.ImageMenuItem(gtk.STOCK_NEW)
        menu_items.connect('activate', self.new_file)
        menu_items.add_accelerator("activate", accel_group, ord('N'), gtk.gdk.CONTROL_MASK, gtk.ACCEL_VISIBLE)
        menu.append(menu_items)
        menu_items.show()

        #Open Menu
        menu_items = gtk.ImageMenuItem(gtk.STOCK_OPEN)
        menu_items.connect('activate', self.menu_open)
        menu_items.add_accelerator("activate", accel_group, ord('O'), gtk.gdk.CONTROL_MASK, gtk.ACCEL_VISIBLE)
        menu.append(menu_items)
        menu_items.show()

        separator = gtk.SeparatorMenuItem()
        separator.show()
        menu.append(separator)

        #Save Menu
        menu_items = gtk.ImageMenuItem(gtk.STOCK_SAVE)
        menu_items.connect('activate', self.menu_save)
        menu_items.add_accelerator("activate", accel_group, ord('S'), gtk.gdk.CONTROL_MASK, gtk.ACCEL_VISIBLE)
        menu.append(menu_items)
        menu_items.show()

        #Save As Menu
        menu_items = gtk.ImageMenuItem(gtk.STOCK_SAVE_AS)
        menu_items.connect('activate', self.menu_save_as)
        menu_items.add_accelerator("activate", accel_group, ord('A'), gtk.gdk.CONTROL_MASK, gtk.ACCEL_VISIBLE)
        menu.append(menu_items)
        menu_items.show()

        #Import Patterns
        menu_items = gtk.MenuItem('_Import Patterns...')
        menu_items.connect('activate', self.menu_import_patterns)
        menu_items.add_accelerator("activate", accel_group, ord('I'), gtk.gdk.CONTROL_MASK, gtk.ACCEL_VISIBLE)
        menu.append(menu_items)
        menu_items.show()

        #Seq24 Import
        menu_items = gtk.MenuItem('Import Seq24 Sequences...')
        menu_items.connect('activate', self.menu_import_seq24)
        menu.append(menu_items)
        menu_items.show()

        separator = gtk.SeparatorMenuItem()
        separator.show()
        menu.append(separator)

        #Quit Menu
        menu_items = gtk.ImageMenuItem(gtk.STOCK_QUIT)
        menu_items.connect('activate', self.quit_program)
        menu.append(menu_items)
        menu_items.show()

        file_menu.set_submenu(menu)
        file_menu.show()

        #Song Menu 
        song_menu = gtk.MenuItem("_Song")

        # We create the menu widget
        menu = gtk.Menu()

        #Add Pattern Menu
        menu_items = gtk.MenuItem('Add _Pattern')
        menu_items.connect('activate', self.add_pattern)
        menu_items.add_accelerator("activate", accel_group, ord('P'), gtk.gdk.CONTROL_MASK, gtk.ACCEL_VISIBLE)
        menu.append(menu_items)
        menu_items.show()

        #Paste Pattern Menu
        menu_items = gtk.MenuItem('Paste Pattern')
        menu_items.connect('activate', self.paste_pattern)
        menu_items.add_accelerator("activate", accel_group, ord('V'), gtk.gdk.CONTROL_MASK, gtk.ACCEL_VISIBLE)
        menu.append(menu_items)
        menu_items.show()

        #Add Channel Menu
        menu_items = gtk.MenuItem('Add _Channel')
        menu_items.connect('activate', self.add_channel)
        menu_items.add_accelerator("activate", accel_group, ord('C'), gtk.gdk.CONTROL_MASK, gtk.ACCEL_VISIBLE)
        menu.append(menu_items)
        #menu_items.show()

        song_menu.set_submenu(menu)
        song_menu.show()
        
        # Create a menu-bar to hold the menus and add it to our main window
        menu_bar = gtk.MenuBar()
        menu_bar.append(file_menu)
        menu_bar.append(song_menu)
        menu_bar.show()
        
        #Add menubar to the VBox
        vbox.pack_start(menu_bar, False, False, 2)

        #ToolBox

        hbox_toolbox = gtk.HBox(False, 0)

        #Pattern Tools
        btn_create_pattern = gtk.Button('Add Pattern')
        btn_create_pattern.connect("clicked", self.add_pattern)
        btn_create_pattern.show()
        hbox_toolbox.pack_start(btn_create_pattern, False, False, 0)

        btn_paste_pattern = gtk.Button('Paste Pattern')
        btn_paste_pattern.connect("clicked", self.paste_pattern)
        btn_paste_pattern.show()
        hbox_toolbox.pack_start(btn_paste_pattern, False, False, 0)

        #BPM/Position
        lbl_bpm = gtk.Label("Bpm:")
        lbl_bpm.show()
        hbox_toolbox.pack_start(lbl_bpm, False, False, 0)
        self.adj_bpm = gtk.Adjustment(value=self.song.get_bpm(), lower=45, upper=240, step_incr=1)
        self.adj_bpm.connect("value_changed", self.adj_bpm_changed)
        spn_bpm = gtk.SpinButton(self.adj_bpm, 0, 0)
        spn_bpm.show()        
        hbox_toolbox.pack_start(spn_bpm, False, False, 4)

        lbl_pos = gtk.Label("Pos:")
        lbl_pos.show()
        hbox_toolbox.pack_start(lbl_pos, False, False, 0)
        self.adj_pos = gtk.Adjustment(value=self.player.get_pos(), lower=0, upper=999, step_incr=1)
        self.adj_pos.connect("value_changed", self.adj_pos_changed)
        spn_pos = gtk.SpinButton(self.adj_pos, 0, 0)
        spn_pos.show()        
        hbox_toolbox.pack_start(spn_pos, False, False, 4)

        btn_play_song = gtk.Button('Play Song')
        btn_play_song.connect("clicked", self.btn_play_song_clicked)
        btn_play_song.show()
        
        hbox_toolbox.pack_start(btn_play_song, False, False, 0)

        hbox_toolbox.show()
        
        vbox.pack_start(hbox_toolbox, False, False, 2)

        # Song items (patterns and channels)
        hpaned_song = gtk.HPaned()

        # Patterns
        frame = gtk.Frame('Patterns')
        frame.set_size_request(700,400)
        #Scroll, to see complete Pattern List
        sw = gtk.ScrolledWindow()

        self.vbox_patterns = gtk.VBox(False, 0)
        self.vbox_patterns.show()

        sw.add_with_viewport(self.vbox_patterns)
        
        sw.show()
        
        frame.add(sw)
        frame.show()
        hpaned_song.add1(frame)
        
        # Channels
        frame = gtk.Frame('Song')
        vbox_channels = gtk.VBox(False,0)

        #Scroll, to see complete Song
        sw = gtk.ScrolledWindow()

        self.hbox_channels = gtk.HBox(False, 0)
        self.hbox_channels.show()
        
        sw.add_with_viewport(self.hbox_channels)
        
        sw.show()
        vbox_channels.pack_start(sw, True, True, 0)
        
        vbox_channels.show()

        frame.add(vbox_channels)
        frame.show()
        
        hpaned_song.add2(frame)

        hpaned_song.show()
        vbox.pack_start(hpaned_song, True, True, 0)


        channels = self.song.get_channels()
        if len(channels): 
            channel = channels[0]
        else:
            channel = self.song.add_channel()
        
        ChannelWidget(self, channel)

        channels = self.song.get_channels()

        if len(channels) == 0:
            return
            
        channel = channels[0]

        #self.player.set_pos(int(self.adj_pos.get_value()))
        self.player.set_data(channel)
        self.player.set_bpm(self.song.get_bpm())
        #self.playing_pos = gobject.timeout_add(500, self.update_playing_pos)

        vbox.show()
        self.add(vbox)
        self.save_state = True
Example #2
0
class SongWindow(gtk.Window):

    def __init__(self):
        gtk.Window.__init__(self)

        self.conf = Config.Config()

        #MIDI Connections Object
        self.conn = Connections()
        if 'input_device' in self.conf.value:
            self.conn.change_input_device(self.conf.value['input_device'])
            
        self.player = PlayerThreadSong(self.conn)
        self.player.start()
        self.player_pattern = PlayerThread(self.conn)
        self.player_pattern.start()

        self.set_title("Desfonema Sequencer " + VERSION)
        self.set_icon_from_file("dseq.png")
        self.filename = ''

        self.song = Song()

        self.set_default_size(900,500)
        self.set_size_request(900,500)
        
        #Close, destroy!
        self.connect("delete_event", self.quit_program)

        # A vBox to contain my own drawing and a menu
        vbox = gtk.VBox(False, 0)

        #File Menu (much like seq24)
        file_menu = gtk.MenuItem("_File")

        # We create the menu widget
        menu = gtk.Menu()
        
        #And keyboard Shortcuts
        accel_group = gtk.AccelGroup()
        self.add_accel_group(accel_group)

        #New Menu
        menu_items = gtk.ImageMenuItem(gtk.STOCK_NEW)
        menu_items.connect('activate', self.new_file)
        menu_items.add_accelerator("activate", accel_group, ord('N'), gtk.gdk.CONTROL_MASK, gtk.ACCEL_VISIBLE)
        menu.append(menu_items)
        menu_items.show()

        #Open Menu
        menu_items = gtk.ImageMenuItem(gtk.STOCK_OPEN)
        menu_items.connect('activate', self.menu_open)
        menu_items.add_accelerator("activate", accel_group, ord('O'), gtk.gdk.CONTROL_MASK, gtk.ACCEL_VISIBLE)
        menu.append(menu_items)
        menu_items.show()

        separator = gtk.SeparatorMenuItem()
        separator.show()
        menu.append(separator)

        #Save Menu
        menu_items = gtk.ImageMenuItem(gtk.STOCK_SAVE)
        menu_items.connect('activate', self.menu_save)
        menu_items.add_accelerator("activate", accel_group, ord('S'), gtk.gdk.CONTROL_MASK, gtk.ACCEL_VISIBLE)
        menu.append(menu_items)
        menu_items.show()

        #Save As Menu
        menu_items = gtk.ImageMenuItem(gtk.STOCK_SAVE_AS)
        menu_items.connect('activate', self.menu_save_as)
        menu_items.add_accelerator("activate", accel_group, ord('A'), gtk.gdk.CONTROL_MASK, gtk.ACCEL_VISIBLE)
        menu.append(menu_items)
        menu_items.show()

        #Import Patterns
        menu_items = gtk.MenuItem('_Import Patterns...')
        menu_items.connect('activate', self.menu_import_patterns)
        menu_items.add_accelerator("activate", accel_group, ord('I'), gtk.gdk.CONTROL_MASK, gtk.ACCEL_VISIBLE)
        menu.append(menu_items)
        menu_items.show()

        #Seq24 Import
        menu_items = gtk.MenuItem('Import Seq24 Sequences...')
        menu_items.connect('activate', self.menu_import_seq24)
        menu.append(menu_items)
        menu_items.show()

        separator = gtk.SeparatorMenuItem()
        separator.show()
        menu.append(separator)

        #Quit Menu
        menu_items = gtk.ImageMenuItem(gtk.STOCK_QUIT)
        menu_items.connect('activate', self.quit_program)
        menu.append(menu_items)
        menu_items.show()

        file_menu.set_submenu(menu)
        file_menu.show()

        #Song Menu 
        song_menu = gtk.MenuItem("_Song")

        # We create the menu widget
        menu = gtk.Menu()

        #Add Pattern Menu
        menu_items = gtk.MenuItem('Add _Pattern')
        menu_items.connect('activate', self.add_pattern)
        menu_items.add_accelerator("activate", accel_group, ord('P'), gtk.gdk.CONTROL_MASK, gtk.ACCEL_VISIBLE)
        menu.append(menu_items)
        menu_items.show()

        #Paste Pattern Menu
        menu_items = gtk.MenuItem('Paste Pattern')
        menu_items.connect('activate', self.paste_pattern)
        menu_items.add_accelerator("activate", accel_group, ord('V'), gtk.gdk.CONTROL_MASK, gtk.ACCEL_VISIBLE)
        menu.append(menu_items)
        menu_items.show()

        #Add Channel Menu
        menu_items = gtk.MenuItem('Add _Channel')
        menu_items.connect('activate', self.add_channel)
        menu_items.add_accelerator("activate", accel_group, ord('C'), gtk.gdk.CONTROL_MASK, gtk.ACCEL_VISIBLE)
        menu.append(menu_items)
        #menu_items.show()

        song_menu.set_submenu(menu)
        song_menu.show()
        
        # Create a menu-bar to hold the menus and add it to our main window
        menu_bar = gtk.MenuBar()
        menu_bar.append(file_menu)
        menu_bar.append(song_menu)
        menu_bar.show()
        
        #Add menubar to the VBox
        vbox.pack_start(menu_bar, False, False, 2)

        #ToolBox

        hbox_toolbox = gtk.HBox(False, 0)

        #Pattern Tools
        btn_create_pattern = gtk.Button('Add Pattern')
        btn_create_pattern.connect("clicked", self.add_pattern)
        btn_create_pattern.show()
        hbox_toolbox.pack_start(btn_create_pattern, False, False, 0)

        btn_paste_pattern = gtk.Button('Paste Pattern')
        btn_paste_pattern.connect("clicked", self.paste_pattern)
        btn_paste_pattern.show()
        hbox_toolbox.pack_start(btn_paste_pattern, False, False, 0)

        #BPM/Position
        lbl_bpm = gtk.Label("Bpm:")
        lbl_bpm.show()
        hbox_toolbox.pack_start(lbl_bpm, False, False, 0)
        self.adj_bpm = gtk.Adjustment(value=self.song.get_bpm(), lower=45, upper=240, step_incr=1)
        self.adj_bpm.connect("value_changed", self.adj_bpm_changed)
        spn_bpm = gtk.SpinButton(self.adj_bpm, 0, 0)
        spn_bpm.show()        
        hbox_toolbox.pack_start(spn_bpm, False, False, 4)

        lbl_pos = gtk.Label("Pos:")
        lbl_pos.show()
        hbox_toolbox.pack_start(lbl_pos, False, False, 0)
        self.adj_pos = gtk.Adjustment(value=self.player.get_pos(), lower=0, upper=999, step_incr=1)
        self.adj_pos.connect("value_changed", self.adj_pos_changed)
        spn_pos = gtk.SpinButton(self.adj_pos, 0, 0)
        spn_pos.show()        
        hbox_toolbox.pack_start(spn_pos, False, False, 4)

        btn_play_song = gtk.Button('Play Song')
        btn_play_song.connect("clicked", self.btn_play_song_clicked)
        btn_play_song.show()
        
        hbox_toolbox.pack_start(btn_play_song, False, False, 0)

        hbox_toolbox.show()
        
        vbox.pack_start(hbox_toolbox, False, False, 2)

        # Song items (patterns and channels)
        hpaned_song = gtk.HPaned()

        # Patterns
        frame = gtk.Frame('Patterns')
        frame.set_size_request(700,400)
        #Scroll, to see complete Pattern List
        sw = gtk.ScrolledWindow()

        self.vbox_patterns = gtk.VBox(False, 0)
        self.vbox_patterns.show()

        sw.add_with_viewport(self.vbox_patterns)
        
        sw.show()
        
        frame.add(sw)
        frame.show()
        hpaned_song.add1(frame)
        
        # Channels
        frame = gtk.Frame('Song')
        vbox_channels = gtk.VBox(False,0)

        #Scroll, to see complete Song
        sw = gtk.ScrolledWindow()

        self.hbox_channels = gtk.HBox(False, 0)
        self.hbox_channels.show()
        
        sw.add_with_viewport(self.hbox_channels)
        
        sw.show()
        vbox_channels.pack_start(sw, True, True, 0)
        
        vbox_channels.show()

        frame.add(vbox_channels)
        frame.show()
        
        hpaned_song.add2(frame)

        hpaned_song.show()
        vbox.pack_start(hpaned_song, True, True, 0)


        channels = self.song.get_channels()
        if len(channels): 
            channel = channels[0]
        else:
            channel = self.song.add_channel()
        
        ChannelWidget(self, channel)

        channels = self.song.get_channels()

        if len(channels) == 0:
            return
            
        channel = channels[0]

        #self.player.set_pos(int(self.adj_pos.get_value()))
        self.player.set_data(channel)
        self.player.set_bpm(self.song.get_bpm())
        #self.playing_pos = gobject.timeout_add(500, self.update_playing_pos)

        vbox.show()
        self.add(vbox)
        self.save_state = True
        
    def menu_open(self, widget, data=None):
        if self.save_state:
            response = gtk.RESPONSE_YES
        else:
            dialog = gtk.MessageDialog(self, gtk.DIALOG_MODAL , gtk.MESSAGE_WARNING, gtk.BUTTONS_YES_NO,
                    "Open another song?\nUnsaved changes will be lost.")

            response = dialog.run()
            dialog.destroy()

        if response == gtk.RESPONSE_YES:
            filename = self.file_dialog('open')
            if filename:
                #Clean previous data
                self.vbox_patterns.foreach(self.vbox_patterns.remove)
                    
                dseq = DSeq1()
                self.song = dseq.open(filename)
                self.adj_bpm.set_value(self.song.get_bpm())

                for pattern in self.song.get_patterns():
                    PatternWidget(self, pattern)
                    for track in pattern.get_tracks():
                        self.conn.create_port(track.synth)

                if len(self.song.get_channels()) == 0:
                    self.song.add_channel()
                self.refresh_channels()

                channels = self.song.get_channels()

                if len(channels) > 0:
                    channel = channels[0]
                    self.player.set_data(channel)
                    self.player.set_bpm(self.song.get_bpm())
                        
                self.filename = filename
                self.save_state = True
        
    def menu_save(self, widget, data=None):
        if self.filename:
            dseq = DSeq1()
            dseq.save(self.filename, self.song)
            self.save_state = True
        else:
            filename = self.file_dialog('save')
            if filename:
                if filename[-5:] != '.dseq':
                    filename = filename + '.dseq'
                self.filename = filename
                dseq = DSeq1()
                dseq.save(self.filename, self.song)
                self.save_state = True
        
    def menu_save_as(self, widget, data=None):
        filename = self.file_dialog('saveas')
        if filename:
            if filename[-5:] != '.dseq':
                filename = filename + '.dseq'
            self.filename = filename
            dseq = DSeq1()
            dseq.save(self.filename, self.song)
            self.save_state = True
            
    def menu_import_patterns(self, widget, data=None):
        filename = self.file_dialog('import')
        if filename:                
            dseq = DSeq1()
            imported_song = dseq.open(filename)
            
            for pattern in imported_song.get_patterns():
                self.song.add_pattern(pattern)
                PatternWidget(self, pattern)
                
            self.filename = filename
            self.refresh_channels()
            self.save_state = False

            
    def menu_import_seq24(self, widget, data=None):
        


        filename = self.file_dialog('import_seq24')
        if filename:                
            imported_song = Song()
            event_handler = midifile.NoteOnPrinter()
            event_handler.set_song(imported_song)
            midi_in = midifile.MidiInFile(event_handler, filename)
            midi_in.read()

            for pattern in imported_song.get_patterns():
                self.song.add_pattern(pattern)
                PatternWidget(self, pattern)
                
            self.filename = filename
            self.refresh_channels()
            self.save_state = False
        
    def file_dialog(self, data=None):
        if data == "open":
            title = 'Open...'
            action = gtk.FILE_CHOOSER_ACTION_OPEN
        elif data == "save":
            title = 'Save...'
            action = gtk.FILE_CHOOSER_ACTION_SAVE
        elif data == 'saveas':
            title = 'Save As...'
            action = gtk.FILE_CHOOSER_ACTION_SAVE
        elif data == "import":
            title = 'Import Patterns From...'
            action = gtk.FILE_CHOOSER_ACTION_OPEN
        elif data == "import_seq24":
            title = 'Import Patterns From Seq24'
            action = gtk.FILE_CHOOSER_ACTION_OPEN
        
        if action == gtk.FILE_CHOOSER_ACTION_OPEN:
            dialog = gtk.FileChooserDialog(title, None, action,
                            (gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL, gtk.STOCK_OPEN, gtk.RESPONSE_OK))
        else:
            dialog = gtk.FileChooserDialog(title, None, action,
                            (gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL, gtk.STOCK_SAVE, gtk.RESPONSE_OK))
            
        dialog.set_default_response(gtk.RESPONSE_OK)
        
        if 'last_dir' in self.conf.value:
            dialog.set_current_folder(self.conf.value['last_dir'])

        filter = gtk.FileFilter()
        if data != "import_seq24":
            filter.set_name("Desfonema Sequence")
            filter.add_pattern("*.dseq")
        else:
            filter.set_name("Seq24 Sequence")
            filter.add_pattern("*.s24")
            filter.add_pattern("*.seq24")
            filter.add_pattern("*.mid")
        
        dialog.add_filter(filter)

        filter = gtk.FileFilter()
        filter.set_name("All files")
        filter.add_pattern("*")
        dialog.add_filter(filter)

        response = dialog.run()
        
        filename = ''
        if response == gtk.RESPONSE_OK:
            filename = dialog.get_filename()
            self.conf.value['last_dir'] = dialog.get_current_folder()
            
        dialog.destroy()
        
        return filename
        
    def quit_program(self, widget, data=None):
        if self.save_state:
            response = gtk.RESPONSE_YES
        else:
            dialog = gtk.MessageDialog(self, gtk.DIALOG_MODAL , gtk.MESSAGE_WARNING, gtk.BUTTONS_YES_NO,
                    "Do you really wanna quit?\nUnsaved changes will be lost.")
                    
            response = dialog.run()
            dialog.destroy()
        
        if response == gtk.RESPONSE_YES:
            self.player.quit()
            self.player_pattern.quit()
            self.conf.save()
            gtk.main_quit()
            return False
        else:
            return True

    def new_file(self, widget, data=None):
        if self.save_state:
            response = gtk.RESPONSE_YES
        else:
            dialog = gtk.MessageDialog(self, gtk.DIALOG_MODAL , gtk.MESSAGE_WARNING, gtk.BUTTONS_YES_NO,
                    "Create new song?\nUnsaved changes will be lost.")
                    
            response = dialog.run()
            dialog.destroy()
        
        if response == gtk.RESPONSE_YES:
            self.vbox_patterns.foreach(self.vbox_patterns.remove)
            self.song = Song()
            self.song.add_channel()
            self.refresh_channels()
            self.filename = ''
            self.save_state = True
            

    def add_pattern(self, widget, data=None):
        if data == None:
            pattern = self.song.add_pattern()
            pattern.set_len(8)
            pattern.add_track()
            pw = PatternWindow(self, pattern)
            pw.show()
            pw.maximize()
        else:
            pattern = data
            
        PatternWidget(self, pattern)
        self.refresh_channels()
        self.save_state = False

    def add_channel(self, widget, data=None):
        if data == None:
            channel = self.song.add_channel()
        else:
            channel = data
            
        ChannelWidget(self, channel)
        self.save_state = False
        
    def adj_bpm_changed(self, widget, data= None):
        self.song.set_bpm(widget.get_value())
        self.player.set_bpm(self.song.get_bpm())
        self.save_state = False

    def adj_pos_changed(self, widget, data= None):
        self.player.set_pos(int(self.adj_pos.get_value()))

    def btn_play_song_clicked(self, widget, data=None):
        
        if self.player.playing():
            self.player.stop()
            if self.playing_pos:
                gobject.source_remove(self.playing_pos)            
        else:
            channels = self.song.get_channels()

            if len(channels) == 0:
                return
                
            channel = channels[0]

            #self.player.set_pos(int(self.adj_pos.get_value()))
            self.player.set_data(channel)
            self.player.set_bpm(self.song.get_bpm())
            self.playing_pos = gobject.timeout_add(500, self.update_playing_pos)
        
    def update_playing_pos(self):
        pos = self.player.get_pos()
        self.adj_pos.set_value(int(pos))
        return True
        
    def paste_pattern(self, widget, data=None):
        clipboard = gtk.clipboard_get(gtk.gdk.SELECTION_CLIPBOARD)
        clipboard.request_text(self.paste_pattern_clipboard_text_received)
        
    # signal handler called when the clipboard returns text data
    def paste_pattern_clipboard_text_received(self, clipboard, text, data):
        if not text or text == '':
            return
            
        lines = text.split("\n")
        if not len(lines):
            return
            
        if lines[0] != 'Pattern':
            return

        pattern = Pattern()
        self.song.add_pattern(pattern)

        level = 0
        for line in lines:
            if line == "Pattern":
                level = 1

            if line == "Track":
                track = pattern.add_track()
                level = 2
            
            if line == "Notes":
                level = 3

            if level == 1:
                #On Pattern Data
                if line[:5] == "Num: ":
                    pattern.set_num(int(line[5:]))
                elif line[:5] == "Len: ":
                    pattern.set_len(int(line[5:]))
                elif line[:6] == "Name: ":
                    pattern.set_name(line[6:])
            elif level == 2:
                if line[:5] == "Len: ":
                    track.set_len(int(line[5:]))
                elif line[:6] == "Name: ":
                    track.set_name(line[6:])
                elif line[:8] == "Volume: ":
                    track.set_volume(int(line[8:]))
                elif line[:7] == "Synth: ":
                    track.set_synth(line[7:])
                elif line[:6] == "Port: ":
                    track.set_port(int(line[6:]))
            elif level == 3:
                if line == "Notes":
                    pass
                elif line == "EndNotes":
                    level = 2
                else:
                    (note, pos, duration, volume) = line.split(', ')
                    track.add_note(int(note),int(pos),int(duration), int(volume))

        pattern.set_name("Copy of " + pattern.get_name())
        PatternWidget(self, pattern)
        self.refresh_channels()
        self.save_state = False
        return
        
    def refresh_channels(self):
        self.hbox_channels.foreach(self.hbox_channels.remove)
        for channel in self.song.get_channels():
            ChannelWidget(self, channel)