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import pygtk
pygtk.require( '2.0' )
import gtk
from SubActivity import SubActivity
import Config
from gettext import gettext as _
import sugar.graphics.style as style
from Jam.Desktop import Desktop
import Jam.Picker as Picker
import Jam.Block as Block
from Jam.Toolbars import DesktopToolbar
from Util.CSoundNote import CSoundNote
from Util.CSoundClient import new_csound_client
import Util.InstrumentDB as InstrumentDB
from Fillin import Fillin
from RythmGenerator import generator
from Generation.GenerationConstants import GenerationConstants
from Util.NoteDB import Note
from math import sqrt
class JamMain(SubActivity):
def __init__(self, activity, set_mode):
SubActivity.__init__(self, set_mode)
self.activity = activity
self.instrumentDB = InstrumentDB.getRef()
#-- initial settings ----------------------------------
self.tempo = Config.PLAYER_TEMPO
self.volume = 50
self.reverb = 0
self.csnd = new_csound_client()
for i in range(1,9):
self.csnd.setTrackVolume( 100, i )
self.csnd.setMasterVolume( self.volume )
self.csnd.setTempo( self.tempo )
#-- Drawing -------------------------------------------
win = gtk.gdk.get_default_root_window()
self.gc = gtk.gdk.GC( win )
colormap = gtk.gdk.colormap_get_system()
self.colors = { "bg": colormap.alloc_color( Config.PANEL_BCK_COLOR ),
"Picker_Bg": colormap.alloc_color( "#404040" ),
"Picker_Bg_Inactive": colormap.alloc_color( "#808080" ),
#"Picker_Bg": colormap.alloc_color( style.COLOR_TOOLBAR_GREY.get_html() ),
#"Picker_Bg_Inactive": colormap.alloc_color( style.COLOR_BUTTON_GREY.get_html() ),
"Picker_Fg": colormap.alloc_color( style.COLOR_WHITE.get_html() ),
"Border_Active": colormap.alloc_color( "#FF6000" ),
"Border_Inactive": colormap.alloc_color( "#8D8D8D" ),
"Border_Highlight": colormap.alloc_color( "#FFFFFF" ),
"Bg_Active": colormap.alloc_color( "#9400BE" ),
"Bg_Inactive": colormap.alloc_color( "#DBDBDB" ) }
if True: # load clipmask
pix = gtk.gdk.pixbuf_new_from_file(Config.IMAGE_ROOT+'jam-blockMask.png')
pixels = pix.get_pixels()
stride = pix.get_rowstride()
channels = pix.get_n_channels()
bitmap = ""
byte = 0
shift = 0
for j in range(pix.get_height()):
offset = stride*j
for i in range(pix.get_width()):
r = pixels[i*channels+offset]
if r != "\0": byte += 1 << shift
shift += 1
if shift > 7:
bitmap += "%c" % byte
byte = 0
shift = 0
if shift > 0:
bitmap += "%c" % byte
byte = 0
shift = 0
self.clipMask = gtk.gdk.bitmap_create_from_data( None, bitmap, pix.get_width(), pix.get_height() )
#-- Instrument Images ---------------------------------
self.instrumentImage = {}
self.instrumentImageActive = {}
for inst in self.instrumentDB.getSet( "all" ):
try:
pix = gtk.gdk.pixbuf_new_from_file(inst.img)
x = (Block.Block.WIDTH-pix.get_width())//2
y = (Block.Block.HEIGHT-pix.get_height())//2
img = gtk.gdk.Pixmap( win, Block.Block.WIDTH, Block.Block.HEIGHT )
self.gc.foreground = self.colors["Bg_Inactive"]
img.draw_rectangle( self.gc, True, 0, 0, Block.Block.WIDTH, Block.Block.HEIGHT )
img.draw_pixbuf( self.gc, pix, 0, 0, x, y, pix.get_width(), pix.get_height(), gtk.gdk.RGB_DITHER_NONE )
self.instrumentImage[inst.id] = img
img = gtk.gdk.Pixmap( win, Block.Block.WIDTH, Block.Block.HEIGHT )
self.gc.foreground = self.colors["Bg_Active"]
img.draw_rectangle( self.gc, True, 0, 0, Block.Block.WIDTH, Block.Block.HEIGHT )
img.draw_pixbuf( self.gc, pix, 0, 0, x, y, pix.get_width(), pix.get_height(), gtk.gdk.RGB_DITHER_NONE )
self.instrumentImageActive[inst.id] = img
except:
if Config.DEBUG >= 5: print "JamMain:: file does not exist: " + inst.img
img = gtk.gdk.Pixmap( win, Block.Block.WIDTH, Block.Block.HEIGHT )
self.gc.foreground = self.colors["Bg_Inactive"]
img.draw_rectangle( self.gc, True, 0, 0, Block.Block.WIDTH, Block.Block.HEIGHT )
self.instrumentImage[inst.id] = img
img = gtk.gdk.Pixmap( win, Block.Block.WIDTH, Block.Block.HEIGHT )
self.gc.foreground = self.colors["Bg_Active"]
img.draw_rectangle( self.gc, True, 0, 0, Block.Block.WIDTH, Block.Block.HEIGHT )
self.instrumentImageActive[inst.id] = img
#-- Toolbars ------------------------------------------
self.desktopToolbar = DesktopToolbar( self )
self.activity.toolbox.add_toolbar( _("Desktop"), self.desktopToolbar )
#-- GUI -----------------------------------------------
if True: # GUI
self.modify_bg( gtk.STATE_NORMAL, self.colors["bg"] ) # window bg
self.GUI = {}
self.GUI["mainVBox"] = gtk.VBox()
self.add( self.GUI["mainVBox"] )
#-- Desktop -------------------------------------------
self.desktop = self.GUI["desktop"] = Desktop( self )
self.GUI["mainVBox"].pack_start( self.GUI["desktop"] )
#-- Bank ----------------------------------------------
separator = gtk.Label( " " )
separator.set_size_request( -1, style.TOOLBOX_SEPARATOR_HEIGHT )
self.GUI["mainVBox"].pack_start( separator, False )
self.GUI["notebook"] = gtk.Notebook()
self.GUI["notebook"].set_scrollable( True )
self.GUI["notebook"].modify_bg( gtk.STATE_NORMAL, self.colors["Picker_Bg"] ) # active tab
self.GUI["notebook"].modify_bg( gtk.STATE_ACTIVE, self.colors["Picker_Bg_Inactive"] ) # inactive tab
self.GUI["notebook"].props.tab_vborder = style.TOOLBOX_TAB_VBORDER
self.GUI["notebook"].props.tab_hborder = style.TOOLBOX_TAB_HBORDER
self.GUI["notebook"].set_size_request( -1, 160 )
self.GUI["notebook"].connect( "switch-page", self.setPicker )
self.GUI["mainVBox"].pack_start( self.GUI["notebook"], False, False )
self.pickers = {}
self.pickerScroll = {}
for type in [ Picker.Instrument, Picker.Drum, Picker.Loop ]:
self.pickers[type] = type( self )
def prepareLabel( name ):
label = gtk.Label( _(name) )
label.set_alignment( 0.0, 0.5 )
label.modify_fg( gtk.STATE_NORMAL, self.colors["Picker_Fg"] )
label.modify_fg( gtk.STATE_ACTIVE, self.colors["Picker_Fg"] )
return label
self.GUI["notebook"].append_page( self.pickers[Picker.Drum], prepareLabel("Drum Kits") )
self.GUI["notebook"].append_page( self.pickers[Picker.Loop], prepareLabel("Loops") )
sets = self.instrumentDB.getLabels()[:]
sets.sort()
for set in sets:
page = gtk.HBox()
page.set = set
self.GUI["notebook"].append_page( page, prepareLabel( set ) )
self.show_all()
self.GUI["notebook"].set_current_page( 0 )
#-- Keyboard ------------------------------------------
self.key_dict = {}
self.nextTrack = 1
# default instrument
self._updateInstrument( Config.INSTRUMENTS["kalimba"].instrumentId, 0.5 )
#-- Drums ---------------------------------------------
# use dummy values for now
self.drumFillin = Fillin( 2, 100, Config.INSTRUMENTS["drum1kit"].instrumentId, self.reverb, 1 )
#==========================================================
# SubActivity Handlers
def onActivate( self, arg ):
pass
def onDeactivate( self ):
pass
def onDestroy( self ):
pass
#==========================================================
# Playback
def onKeyPress( self, widget, event ):
key = event.hardware_keycode
if self.key_dict.has_key( key ): # repeated press
return
if Config.KEY_MAP_PIANO.has_key( key ):
pitch = Config.KEY_MAP_PIANO[key]
inst = Config.INSTRUMENTS[self.instrument["name"]]
if inst.kit: # drum kit
if pitch in GenerationConstants.DRUMPITCH:
pitch = GenerationConstants.DRUMPITCH[pitch]
print inst.kit
self._playNote( key,
36,
self.instrument["amplitude"],
self.instrument["pan"],
100,
inst.kit[pitch].instrumentId,
self.instrument["reverb"] )
else:
if event.state == gtk.gdk.MOD1_MASK:
pitch += 5
if inst.csoundInstrumentId == Config.INST_PERC: #Percussions resonance
duration = 60
else:
duration = -1
self._playNote( key,
pitch,
self.instrument["amplitude"],
self.instrument["pan"],
duration,
self.instrument["id"],
self.instrument["reverb"] )
def onKeyRelease( self, widget, event ):
key = event.hardware_keycode
if self.key_dict.has_key( key ):
self._stopNote( key )
def _playNote( self, key, pitch, amplitude, pan, duration, instrumentId, reverb ):
self.key_dict[key] = CSoundNote( 0, # onset
pitch,
amplitude,
pan,
duration,
self.nextTrack,
instrumentId,
reverbSend = reverb,
tied = True,
mode = 'mini' )
self.nextTrack += 1
if self.nextTrack > 8:
self.nextTrack = 1
self.csnd.play(self.key_dict[key], 0.3)
def _stopNote( self, key ):
csnote = self.key_dict[key]
if Config.INSTRUMENTSID[ csnote.instrumentId ].csoundInstrumentId == Config.INST_TIED:
csnote.duration = .5
csnote.decay = 0.7
csnote.tied = False
self.csnd.play(csnote, 0.3)
del self.key_dict[key]
def _updateInstrument( self, id, volume ):
self.instrument = { "name": Config.INSTRUMENTSID[id].name,
"id": id,
"amplitude": sqrt( self.volume*volume*0.1 ),
"pan": 0.5,
"reverb": self.reverb }
def _playDrum( self, id, volume, beats, regularity, seed ):
def flatten(ll):
rval = []
for l in ll:
rval += l
return rval
noteOnsets = []
notePitchs = []
i = 0
self.noteList= []
self.csnd.loopClear()
for x in flatten( generator( Config.INSTRUMENTSID[id].name, beats, 0.8, regularity, self.reverb) ):
x.amplitude = x.amplitude * volume
noteOnsets.append(x.onset)
notePitchs.append(x.pitch)
n = Note(0, x.trackId, i, x)
self.noteList.append( (x.onset, n) )
i = i + 1
self.csnd.loopPlay(n,1) #add as active
self.csnd.loopSetNumTicks( beats * Config.TICKS_PER_BEAT )
self.drumFillin.setProperties( self.tempo, Config.INSTRUMENTSID[id].name, volume, beats, self.reverb )
self.drumFillin.unavailable( noteOnsets, notePitchs )
self.drumFillin.play()
self.csnd.loopSetTick(0)
self.csnd.loopStart()
def _stopDrum( self ):
self.drumFillin.stop()
self.csnd.loopPause()
#==========================================================
# Get/Set
def getDesktop( self ):
return self.desktop
def getInstrumentImage( self, id, active = False ):
if active: return self.instrumentImageActive[id]
else: return self.instrumentImage[id]
def setPicker( self, widget, pagePointer, page_num ):
page = self.GUI["notebook"].get_nth_page( page_num )
if page == self.pickers[Picker.Drum]:
pass
elif page == self.pickers[Picker.Loop]:
pass
else:
self.pickers[Picker.Instrument].setFilter( ( page.set ) )
parent = self.pickers[Picker.Instrument].get_parent()
if parent != page:
if parent != None:
parent.remove( self.pickers[Picker.Instrument] )
page.add( self.pickers[Picker.Instrument] )
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