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import pygtk
pygtk.require( '2.0' )
import gtk
import Config
#TODO: this is a suprising dependency... what's up??
from Generation.GenerationConstants import GenerationConstants
from Util.CSoundNote import CSoundNote
KEY_MAP_PIANO = Config.KEY_MAP_PIANO
class KeyboardStandAlone:
def __init__( self, client, recordingFunction, adjustDurationFunction, getCurrentTick, getPlayState ):
self.csnd = client
self.recording = recordingFunction
self.adjustDuration = adjustDurationFunction
self.getCurrentTick = getCurrentTick
self.getPlayState = getPlayState
self.key_dict = dict()
self.onset_dict = dict()
self.trackCount = 10
self.instrument = 'flute'
self.reverb = 0
def setInstrument( self , instrument ):
self.instrument = instrument
def setReverb(self , reverb):
self.reverb = reverb
def onKeyPress(self,widget,event):
key = event.hardware_keycode
# If the key is already in the dictionnary, exit function (to avoir key repeats)
if self.key_dict.has_key(key):
return
# Assign on which track the note will be created according to the number of keys pressed
track = self.trackCount
self.trackCount += 1
if self.trackCount >= 20:
self.trackCount = 10
# If the pressed key is in the keymap
if KEY_MAP_PIANO.has_key(key):
# CsoundNote parameters
pitch = KEY_MAP_PIANO[key]
duration = -1
instrument = self.instrument
if event.state == gtk.gdk.MOD1_MASK:
pitch = pitch+5
if instrument[ 0: 4 ] == 'drum':
if GenerationConstants.DRUMPITCH.has_key( pitch ):
pitch = GenerationConstants.DRUMPITCH[ pitch ]
if instrument == 'drum1kit':
instrument = Config.DRUM1INSTRUMENTS[ pitch ]
if instrument == 'drum2kit':
instrument = Config.DRUM2INSTRUMENTS[ pitch ]
if instrument == 'drum3kit':
instrument = Config.DRUM3INSTRUMENTS[ pitch ]
pitch = 36
duration = 100
if Config.INSTRUMENTS[instrument].csoundInstrumentId == Config.INST_PERC: #Percussions resonance
duration = 60
# Create and play the note
self.key_dict[key] = CSoundNote(onset = 0,
pitch = pitch,
amplitude = 1,
pan = 0.5,
duration = duration,
trackId = track,
fullDuration = False,
instrument = instrument,
instrumentFlag = instrument,
reverbSend = self.reverb)
self.key_dict[key].playNow(0.3)
if self.getPlayState():
recOnset = self.getCurrentTick() / 3
self.onset_dict[key] = recOnset
self.recording( CSoundNote(
onset = recOnset,
pitch = pitch,
amplitude = 1,
pan = 0.5,
duration = 100,
trackId = track,
decay = .1,
fullDuration = False,
instrument = instrument,
instrumentFlag = instrument,
reverbSend = self.reverb))
def onKeyRelease(self,widget,event):
key = event.hardware_keycode
if KEY_MAP_PIANO.has_key(key):
if Config.INSTRUMENTS[ self.key_dict[key].instrument].csoundInstrumentId == Config.INST_TIED:
self.key_dict[key].duration = 1
self.key_dict[key].decay = 0.7
self.key_dict[key].amplitude = 1
self.key_dict[key].playNow(0.3)
if self.getPlayState():
self.adjustDuration(self.key_dict[key].pitch, self.onset_dict[key])
del self.key_dict[key]
else:
del self.key_dict[key]
if self.getPlayState():
if self.onset_dict.has_key(key):
del self.onset_dict[key]
def onButtonPress( self, widget, event ):
pass
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