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import pygtk
pygtk.require( '2.0' )
import gtk
import Config
from Util.NoteDB import PARAMETER
from Util.CSoundClient import new_csound_client
class NoteInterface:
def __init__( self, noteDB, owner, note ):
self.noteDB = noteDB
self.owner = owner
self.note = note
self.origin = self.owner.getTrackOrigin( note.track )
self.firstTransform = True
self.x = 0
self.y = 0
self.width = 1
self.height = Config.NOTE_HEIGHT
self.imgX = 0
self.imgY = 0
self.imgWidth = 1
self.imgHeight = self.height + Config.NOTE_IMAGE_PADDING_MUL2
self.selected = False
self.potentialDeselect = False
self.oldOnset = -1
self.oldEnd = -1
self.oldPitch = -1
self.oldAmplitude = -1
self.oldBeats = -1
self.lastDragO = 0
self.lastDragP = 0
self.lastDragD = 0
self.image, self.imageSelected, self.colormap, self.baseColors = self.owner.getDrawingPackage( note.track )
self.updateParameter( None, None )
def destroy( self ):
if self.selected:
self.owner.deselectNotes( { self.note.track: [self] } )
else: # if we were deselected above the rect has already been invalidated
self.owner.invalidate_rect( self.imgX, self.imgY, self.imgWidth, self.imgHeight, self.note.page, True )
def updateParameter( self, parameter, value ):
self.end = self.note.cs.onset + self.note.cs.duration
if self.oldAmplitude != self.note.cs.amplitude:
r = self.baseColors[0][0] + int(self.baseColors[1][0]*self.note.cs.amplitude)
g = self.baseColors[0][1] + int(self.baseColors[1][1]*self.note.cs.amplitude)
b = self.baseColors[0][2] + int(self.baseColors[1][2]*self.note.cs.amplitude)
self.color = self.colormap.alloc_color( r, g, b, True, True ) # TODO potential memory leak?
self.oldAmplitude = self.note.cs.amplitude
self.updateTransform()
def getId( self ):
return self.note.id
def getStartTick( self ):
return self.note.cs.onset
def getEndTick( self ):
return self.end
def testOnset( self, start, stop ):
return self.note.cs.onset >= start and self.note.cs.onset < stop
def getPitch( self ):
return self.note.cs.pitch
def updateTransform( self ):
if self.note.page in self.owner.getActivePages():
if not self.firstTransform:
oldX = self.imgX
oldY = self.imgY
oldEndX = self.imgX + self.imgWidth
dirty = True
else:
dirty = False
beats = self.noteDB.getPage( self.note.page ).beats
if self.note.cs.onset != self.oldOnset or beats != self.oldBeats:
self.x = self.owner.ticksToPixels( beats, self.note.cs.onset )
self.x += self.origin[0]
self.imgX = self.x - Config.NOTE_IMAGE_PADDING
self.oldOnset = self.note.cs.onset
if self.end != self.oldEnd or self.note.cs.onset != self.oldOnset or beats != self.oldBeats:
self.width = self.owner.ticksToPixels( beats, self.end ) - self.x + self.origin[0]
self.imgWidth = self.width + Config.NOTE_IMAGE_PADDING_MUL2
self.oldEnd = self.end
if self.note.cs.pitch != self.oldPitch:
self.y = self.owner.pitchToPixels( self.note.cs.pitch ) + self.origin[1]
self.imgY = self.y - Config.NOTE_IMAGE_PADDING
self.oldPitch = self.note.cs.pitch
self.oldBeats = beats
if dirty:
if self.firstTransform:
self.owner.invalidate_rect( self.imgX, self.imgY, self.imgWidth, self.imgHeight, self.note.page, True )
else:
x = min( self.imgX, oldX )
y = min( self.imgY, oldY )
endx = max( self.imgX + self.imgWidth, oldEndX )
endy = max( self.imgY, oldY ) + self.imgHeight
self.owner.invalidate_rect( x, y, endx-x, endy-y, self.note.page, True )
self.firstTransform = False
def updateDragLimits( self, dragLimits, leftBound, rightBound, widthBound, maxRightBound ):
left = leftBound - self.note.cs.onset
right = rightBound - self.note.cs.duration - self.note.cs.onset
up = Config.MAXIMUM_PITCH - self.note.cs.pitch
down = Config.MINIMUM_PITCH - self.note.cs.pitch
short = Config.MINIMUM_NOTE_DURATION - self.note.cs.duration
long = widthBound - self.note.cs.duration - self.note.cs.onset
if dragLimits[0][0] < left: dragLimits[0][0] = left
if dragLimits[0][1] > right: dragLimits[0][1] = right
if dragLimits[1][0] < down: dragLimits[1][0] = down
if dragLimits[1][1] > up: dragLimits[1][1] = up
if dragLimits[2][0] < short: dragLimits[2][0] = short
if dragLimits[2][1] > long: dragLimits[2][1] = long
# store the current loc as a reference point
self.baseOnset = self.note.cs.onset
self.basePitch = self.note.cs.pitch
self.baseDuration = self.note.cs.duration
def playSampleNote( self, full=True ):
secs_per_tick = 0.025
csnd = new_csound_client()
if full:
onset = self.note.cs.onset
self.note.cs.onset = 0
csnd.play( self.note.cs, 0.024)
self.note.cs.onset = onset
else:
(onset,duration) = ( self.note.cs.onset, self.note.cs.duration)
( self.note.cs.onset, self.note.cs.duration) = (0, 10)
csnd.play( self.note.cs, 0.024)
( self.note.cs.onset, self.note.cs.duration) = (onset,duration)
#=======================================================
# Events
# handleButtonPress returns:
# -2, not a hit but there was X overlap
# -1, event occurs before us so don't bother checking any later notes
# 0, event didn't hit
# 1, event was handled
def handleButtonPress( self, emitter, event ):
eX = event.x - self.x
if eX < 0:
return -1 # event occurs before us, no point in checking further
if eX > self.width:
return 0 # no X overlap
eY = event.y - self.y
if eY < 0 or eY > self.height:
return -2 # not a hit, but it was in our X range
if event.button == 3:
print "Show some note parameters!?!"
#self.noteParameters = NoteParametersWindow( self.note, self.getNoteParameters )
return 1 # handled
playSample = False
if event.type == gtk.gdk._2BUTTON_PRESS: # select bar
self.potentialDeselect = False
start = 0
check = self.note.cs.onset - Config.TICKS_PER_BEAT
while start <= check: start += Config.TICKS_PER_BEAT
stop = start + Config.TICKS_PER_BEAT
check += self.note.cs.duration
while stop < check: stop += Config.TICKS_PER_BEAT
emitter.selectNotesByBar( self.note.track, start, stop )
elif event.type == gtk.gdk._3BUTTON_PRESS: # select track
self.potentialDeselect = False
emitter.selectNotesByTrack( self.note.track )
else:
if self.selected: # we already selected, might want to delected
self.potentialDeselect = True
else:
emitter.selectNotes( { self.note.track: [ self ] } )
playSample = True
percent = eX/self.width
if percent < 0.3: emitter.setCurrentAction( "note-drag-onset", self )
elif percent > 0.7: emitter.setCurrentAction( "note-drag-duration", self )
else:
emitter.setCurrentAction( "note-drag-pitch", self )
if playSample: self.playSampleNote()
return 1
def handleButtonRelease( self, emitter, event, buttonPressCount ):
if self.potentialDeselect:
self.potentialDeselect = False
emitter.deselectNotes( { self.note.track: [ self ] } )
emitter.doneCurrentAction()
return True
def noteDragOnset( self, do, stream ):
self.potentialDeselect = False
if do != self.lastDragO:
self.lastDragO = do
stream += [ self.note.id, self.baseOnset + do ]
def noteDragPitch( self, dp, stream ):
self.potentialDeselect = False
if dp != self.lastDragP:
self.lastDragP = dp
stream += [ self.note.id, self.basePitch + dp ]
def noteDragDuration( self, dd, stream ):
self.potentialDeselect = False
if dd != self.lastDragD:
self.lastDragD = dd
stream += [ self.note.id, self.baseDuration + dd ]
def doneNoteDrag( self, emitter ):
self.baseOnset = self.note.cs.onset
self.basePitch = self.note.cs.pitch
self.baseDuration = self.note.cs.duration
self.lastDragO = 0
self.lastDragP = 0
self.lastDragD = 0
def noteDecOnset( self, step, leftBound, stream ):
if self.selected:
if leftBound < self.note.cs.onset:
onset = max( self.note.cs.onset+step, leftBound )
stream += [ self.note.id, onset ]
return onset + self.note.cs.duration
return self.end
def noteIncOnset( self, step, rightBound, stream ):
if self.selected:
if rightBound > self.end:
onset = min( self.end+step, rightBound ) - self.note.cs.duration
stream += [ self.note.id, onset ]
return onset
return self.note.cs.onset
def noteDecPitch( self, step, stream ):
if self.note.cs.pitch > Config.MINIMUM_PITCH:
stream += [ self.note.id, max( self.note.cs.pitch+step, Config.MINIMUM_PITCH ) ]
def noteIncPitch( self, step, stream ):
if self.note.cs.pitch < Config.MAXIMUM_PITCH:
stream += [ self.note.id, min( self.note.cs.pitch+step, Config.MAXIMUM_PITCH ) ]
def noteDecDuration( self, step, stream ):
if self.note.cs.duration > Config.MINIMUM_NOTE_DURATION:
stream += [ self.note.id, max( self.note.cs.duration+step, Config.MINIMUM_NOTE_DURATION ) ]
def noteIncDuration( self, step, rightBound, stream ):
if self.selected:
if self.end < rightBound:
stream += [ self.note.id, min( self.end+step, rightBound ) - self.note.cs.onset ]
def noteDecVolume( self, step, stream ):
if self.note.cs.amplitude > 0:
stream += [ self.note.id, max( self.note.cs.amplitude+step, 0 ) ]
def noteIncVolume( self, step, stream ):
if self.note.cs.amplitude < 1:
stream += [ self.note.id, min( self.note.cs.amplitude+step, 1 ) ]
def handleMarqueeSelect( self, emitter, start, stop ):
intersectionY = [ max(start[1],self.y), min(stop[1],self.y+self.height) ]
if intersectionY[0] > intersectionY[1]:
return False
intersectionX = [ max(start[0],self.x), min(stop[0],self.x+self.width) ]
if intersectionX[0] > intersectionX[1]:
return False
return True
# updateTooltip returns:
# -2, not a hit but there was X overlap
# -1, event occurs before us so don't bother checking any later notes
# 0, event didn't hit
# 1, event was handled
def updateTooltip( self, emitter, event ):
eX = event.x - self.x
if eX < 0:
return -1 # event occurs before us, no point in checking further
if eX > self.width:
return 0 # no X overlap
eY = event.y - self.y
if eY < 0 or eY > self.height:
return -2 # not a hit, but it was in our X range
percent = eX/self.width
if percent < 0.3: emitter.setCursor("drag-onset")
elif percent > 0.7: emitter.setCursor("drag-duration")
else: emitter.setCursor("drag-pitch")
return 1 # we handled it
#=======================================================
# Selection
def setSelected( self, state ):
if self.selected != state:
self.selected = state
self.owner.invalidate_rect( self.imgX, self.imgY, self.imgWidth, self.imgHeight, self.note.page )
return True # state changed
return False # state is the same
def getSelected( self ):
return self.selected
#=======================================================
# Draw
def draw( self, win, gc, startX, stopX ):
if stopX < self.imgX: return False # we don't need to draw and no one after us will draw
if startX > self.imgX + self.imgWidth: return True # we don't need to draw, but maybe a later note does
gc.foreground = self.color
win.draw_rectangle( gc, True, self.x+1, self.y+1, self.width-2, self.height-2 )
if self.selected: img = self.imageSelected
else: img = self.image
win.draw_pixbuf( gc, img, 0, 0, self.imgX, self.imgY, self.imgWidth-Config.NOTE_IMAGE_ENDLENGTH, self.imgHeight, gtk.gdk.RGB_DITHER_NONE )
win.draw_pixbuf( gc, img, Config.NOTE_IMAGE_TAIL, 0, self.imgX+self.imgWidth-Config.NOTE_IMAGE_ENDLENGTH, self.imgY, Config.NOTE_IMAGE_ENDLENGTH, self.imgHeight, gtk.gdk.RGB_DITHER_NONE )
return True # we drew something
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