def onBtnChangeInstrument(self, y, btn):
# in this version, we'll actually modify the midi object. unclear if this is the best design.
track = self.objMidi.tracks[y]
theEvt = None
for evt in track.events:
if evt.type=='PROGRAM_CHANGE':
theEvt = evt
break
if theEvt is None: return
dlg = midirender_choose_midi_voice.ChooseMidiInstrumentDialog(self.frameGrid, 'Choose Instrument', min(theEvt.data,127))
midiNumber = dlg.result
if midiNumber is None: return
theEvt.data = midiNumber
btn['text'] = str(midiNumber) + ' (' + bmidilib.getInstrumentName(midiNumber) + ')'
def onBtnChangeInstrument(self, y, btn):
#As of now, this actually modifies the midi object. For good.
track = self.objMidi.tracks[y]
theEvt = None
for evt in track.events:
if evt.type=='PROGRAM_CHANGE':
theEvt = evt
break
if theEvt==None: return
dlg = midirender_choose_midi_voice.ChooseMidiInstrumentDialog(self.frameGrid, 'Choose Instrument', min(theEvt.data,127))
midiNumber = dlg.result
if midiNumber==None: return
theEvt.data = midiNumber
btn['text'] = str(midiNumber) + ' (' + bmidilib.getInstrumentName(midiNumber) + ')'
def onBtnChangeInstrument(self, y, btn):
# in this version, we'll actually modify the midi object. unclear if this is the best design.
track = self.objMidi.tracks[y]
theEvt = None
for evt in track.events:
if evt.type == 'PROGRAM_CHANGE':
theEvt = evt
break
if theEvt is None: return
dlg = midirender_choose_midi_voice.ChooseMidiInstrumentDialog(
self.frameGrid, 'Choose Instrument', min(theEvt.data, 127))
midiNumber = dlg.result
if midiNumber is None: return
theEvt.data = midiNumber
btn['text'] = str(midiNumber) + ' (' + bmidilib.getInstrumentName(
midiNumber) + ')'
def loadMidiObj(self, newmidi):
self.objMidi = newmidi
if self.player.isPlaying(): return False
if not self.haveDrawnHeaders: self.drawColumnHeaders()
if not self.isMidiLoaded:
# check if Timidity is installed
if sys.platform != 'win32':
if not midirender_runtimidity.isTimidityInstalled():
midirender_util.alert('It appears that the program Timidity is not installed. This program is required for playing and rendering music.\n\nYou could try running something corresponding to "sudo apt-get install timidity" or "sudo yum install timidity++" in a terminal.')
self.isMidiLoaded = True
# close any open views
for key in self.listviews:
self.listviews[key].destroy()
for key in self.scoreviews:
self.scoreviews[key].destroy()
self.listviews = {}
self.scoreviews = {}
self.clearModifications()
# hide all of the old widgets
for key in self.gridwidgets:
w = self.gridwidgets[key]
if w.master.is_smallframe==1:
w.master.grid_forget()
for key in self.gridbuttons:
self.gridbuttons[key].grid_forget()
def addLabel(text, y, x, isButton=False):
# only create a new widget when necessary. This way, don't need to allocate every time a file is opened.
if (x, y+1) not in self.gridwidgets:
smallFrame = Frame(self.frameGrid, borderwidth=1, relief=RIDGE)
smallFrame.is_smallframe=1
if isButton:
btn = Button(smallFrame, text=text, relief=GROOVE,anchor='w')
btn.config(command=midirender_util.Callable(self.onBtnChangeInstrument, y,btn))
btn.pack(anchor='w', fill=BOTH)
btn['disabledforeground'] = 'black' # means that when it is disabled, looks just like a label. sweet.
thewidget = btn
else:
lbl = Label(smallFrame, text=text)
lbl.pack(anchor='w')
thewidget = lbl
self.gridwidgets[(x,y+1)] = thewidget
self.gridwidgets[(x,y+1)]['text'] = text
self.gridwidgets[(x,y+1)].master.grid(row=y+1, column=x, sticky='nsew')
return self.gridwidgets[(x,y+1)]
lengthTimer = bmiditools.BMidiSecondsLength(self.objMidi)
overallLengthSeconds = lengthTimer.getOverallLength(self.objMidi)
self.sliderTime['to'] = max(1.0, overallLengthSeconds+1.0)
self.player.load(max(1.0, overallLengthSeconds+1.0)) # "loading" will also set position to 0.0
warnMultipleChannels = False
for rownum in range(len(self.objMidi.tracks)):
trackobj = self.objMidi.tracks[rownum]
# Track Number
addLabel( str(rownum), rownum, 0)
# Track Name
defaultname = 'Condtrack' if rownum==0 else ('Track %d'%rownum)
searchFor = {'TRACKNAME':defaultname, 'INSTRUMENTS':1 }
res = bmiditools.getTrackInformation(trackobj, searchFor)
addLabel(res['TRACKNAME'], rownum, 1)
# Track Channel(s)
chanarray = self.findNoteChannels(trackobj)
if len(chanarray)==0: channame='None'
elif len(chanarray)>1: channame='(Many)'; warnMultipleChannels=True
else: channame = str(chanarray[0])
addLabel(channame, rownum, 2)
countednoteevts = len(trackobj.notelist) # this assumes notelist is valid, and notelist is only valid if we've just read from a file
# Track Instrument(s)
instarray = res['INSTRUMENTS']
if len(instarray)==0:
instname='None'
elif len(instarray)>1:
instname='(Many)'
else:
instname = str(instarray[0]) + ' (' + bmidilib.getInstrumentName(instarray[0]) + ')'
if channame == '10':
instname = '(Percussion channel)'
btn = addLabel( instname, rownum, 3, isButton=True) # add a button (not a label)
isEnabled = channame!='10' and instname!='None' and instname!='(Many)' # countednoteevts>0
if isEnabled:
btn['state'] = NORMAL
btn['relief'] = GROOVE
else:
btn['state'] = DISABLED
btn['relief'] = FLAT
# if there are multiple inst. changes in a track, we don't let you change instruments because there isn't a convenient way to do that.
# Track Time
if len(trackobj.notelist)==0: strTime = lengthTimer.secondsToString(0)
else: strTime = lengthTimer.secondsToString(lengthTimer.ticksToSeconds(trackobj.notelist[0].time))
addLabel( strTime, rownum, 4)
# Track Notes
addLabel( str(countednoteevts), rownum, 5)
# Buttons
if (rownum, 0) not in self.gridbuttons:
btn = Button(self.frameGrid, text='Mixer', command=self.openMixerView)
self.gridbuttons[(rownum, 0)] = btn
self.gridbuttons[(rownum, 0)].grid(row=rownum+1, column=6)
if (rownum, 1) not in self.gridbuttons:
btn = Button(self.frameGrid, text='Score', command=midirender_util.Callable(self.openScoreView, rownum))
self.gridbuttons[(rownum, 1)] = btn
self.gridbuttons[(rownum, 1)].grid(row=rownum+1, column=7)
if (rownum, 2) not in self.gridbuttons:
btn = Button(self.frameGrid, text='List', command=midirender_util.Callable(self.openListView, rownum))
self.gridbuttons[(rownum, 2)] = btn
self.gridbuttons[(rownum, 2)].grid(row=rownum+1, column=8)
if warnMultipleChannels:
resp = midirender_util.ask_yesno('This midi file has notes from different channels in the same track (format 0). Click "yes" (recommended) to import it as a format 1 file, or "no" to leave it. ')
if resp:
newmidi = bmiditools.restructureMidi(self.objMidi)
newmidi.format = 1
self.loadMidiObj(newmidi)
return
def loadMidiObj(self, newmidi):
self.objMidi = newmidi
if self.player.isPlaying(): return False
if not self.haveDrawnHeaders: self.drawColumnHeaders()
if not self.isMidiLoaded:
# check if Timidity is installed
if sys.platform != 'win32':
if not midirender_runtimidity.isTimidityInstalled():
midirender_util.alert(
'It appears that the program Timidity is not installed. This program is required for playing and rendering music.\n\nYou could try running something corresponding to "sudo apt-get install timidity" or "sudo yum install timidity++" in a terminal.'
)
self.isMidiLoaded = True
# close any open views
for key in self.listviews:
self.listviews[key].destroy()
for key in self.scoreviews:
self.scoreviews[key].destroy()
self.listviews = {}
self.scoreviews = {}
self.clearModifications()
# hide all of the old widgets
for key in self.gridwidgets:
w = self.gridwidgets[key]
if w.master.is_smallframe == 1:
w.master.grid_forget()
for key in self.gridbuttons:
self.gridbuttons[key].grid_forget()
def addLabel(text, y, x, isButton=False):
# only create a new widget when necessary. This way, don't need to allocate every time a file is opened.
if (x, y + 1) not in self.gridwidgets:
smallFrame = Frame(self.frameGrid, borderwidth=1, relief=RIDGE)
smallFrame.is_smallframe = 1
if isButton:
btn = Button(smallFrame,
text=text,
relief=GROOVE,
anchor='w')
btn.config(command=midirender_util.Callable(
self.onBtnChangeInstrument, y, btn))
btn.pack(anchor='w', fill=BOTH)
btn['disabledforeground'] = 'black' # means that when it is disabled, looks just like a label. sweet.
thewidget = btn
else:
lbl = Label(smallFrame, text=text)
lbl.pack(anchor='w')
thewidget = lbl
self.gridwidgets[(x, y + 1)] = thewidget
self.gridwidgets[(x, y + 1)]['text'] = text
self.gridwidgets[(x, y + 1)].master.grid(row=y + 1,
column=x,
sticky='nsew')
return self.gridwidgets[(x, y + 1)]
lengthTimer = bmiditools.BMidiSecondsLength(self.objMidi)
overallLengthSeconds = lengthTimer.getOverallLength(self.objMidi)
self.sliderTime['to'] = max(1.0, overallLengthSeconds + 1.0)
self.player.load(max(1.0, overallLengthSeconds +
1.0)) # "loading" will also set position to 0.0
warnMultipleChannels = False
for rownum in range(len(self.objMidi.tracks)):
trackobj = self.objMidi.tracks[rownum]
# Track Number
addLabel(str(rownum), rownum, 0)
# Track Name
defaultname = 'Condtrack' if rownum == 0 else ('Track %d' % rownum)
searchFor = {'TRACKNAME': defaultname, 'INSTRUMENTS': 1}
res = bmiditools.getTrackInformation(trackobj, searchFor)
addLabel(res['TRACKNAME'], rownum, 1)
# Track Channel(s)
chanarray = self.findNoteChannels(trackobj)
if len(chanarray) == 0: channame = 'None'
elif len(chanarray) > 1:
channame = '(Many)'
warnMultipleChannels = True
else:
channame = str(chanarray[0])
addLabel(channame, rownum, 2)
countednoteevts = len(
trackobj.notelist
) # this assumes notelist is valid, and notelist is only valid if we've just read from a file
# Track Instrument(s)
instarray = res['INSTRUMENTS']
if len(instarray) == 0:
instname = 'None'
elif len(instarray) > 1:
instname = '(Many)'
else:
instname = str(
instarray[0]) + ' (' + bmidilib.getInstrumentName(
instarray[0]) + ')'
if channame == '10':
instname = '(Percussion channel)'
btn = addLabel(instname, rownum, 3,
isButton=True) # add a button (not a label)
isEnabled = channame != '10' and instname != 'None' and instname != '(Many)' # countednoteevts>0
if isEnabled:
btn['state'] = NORMAL
btn['relief'] = GROOVE
else:
btn['state'] = DISABLED
btn['relief'] = FLAT
# if there are multiple inst. changes in a track, we don't let you change instruments because there isn't a convenient way to do that.
# Track Time
if len(trackobj.notelist) == 0:
strTime = lengthTimer.secondsToString(0)
else:
strTime = lengthTimer.secondsToString(
lengthTimer.ticksToSeconds(trackobj.notelist[0].time))
addLabel(strTime, rownum, 4)
# Track Notes
addLabel(str(countednoteevts), rownum, 5)
# Buttons
if (rownum, 0) not in self.gridbuttons:
btn = Button(self.frameGrid,
text='Mixer',
command=self.openMixerView)
self.gridbuttons[(rownum, 0)] = btn
self.gridbuttons[(rownum, 0)].grid(row=rownum + 1, column=6)
if (rownum, 1) not in self.gridbuttons:
btn = Button(self.frameGrid,
text='Score',
command=midirender_util.Callable(
self.openScoreView, rownum))
self.gridbuttons[(rownum, 1)] = btn
self.gridbuttons[(rownum, 1)].grid(row=rownum + 1, column=7)
if (rownum, 2) not in self.gridbuttons:
btn = Button(self.frameGrid,
text='List',
command=midirender_util.Callable(
self.openListView, rownum))
self.gridbuttons[(rownum, 2)] = btn
self.gridbuttons[(rownum, 2)].grid(row=rownum + 1, column=8)
if warnMultipleChannels:
resp = midirender_util.ask_yesno(
'This midi file has notes from different channels in the same track (format 0). Click "yes" (recommended) to import it as a format 1 file, or "no" to leave it. '
)
if resp:
newmidi = bmiditools.restructureMidi(self.objMidi)
newmidi.format = 1
self.loadMidiObj(newmidi)
return
