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import pygtk
pygtk.require( '2.0' )
import gtk
import random #TEMP
import sets
import Config
from gettext import gettext as _
from sugar.graphics.palette import Palette, WidgetInvoker
import Util.ControlStream
import Util.InstrumentDB as InstrumentDB
import Jam.Block as Block
class Picker( gtk.HBox ):
def __init__( self, owner, filter = None ):
gtk.HBox.__init__( self )
self.owner = owner
# take drawing setup from owner
self.gc = owner.gc
self.colors = owner.colors
self.clipMask = owner.clipMask
self.filter = filter
self.desktop = owner.getDesktop()
self.scrollLeft = gtk.Button( "<" )
self.scrollLeft.connect( "clicked", self.doScroll, "left" )
self.pack_start( self.scrollLeft, False, False )
self.scrolledWindow = gtk.ScrolledWindow()
#self.scrolledWindow.modify_bg( gtk.STATE_NORMAL, self.colors["Bg_Active"] )
self.scrolledWindow.set_policy( gtk.POLICY_ALWAYS, gtk.POLICY_NEVER )
self.pack_start( self.scrolledWindow )
self.hadjustment = self.scrolledWindow.get_hadjustment()
self.hadjustment.connect( "changed", self.scrollChanged )
self.hadjustment.connect( "value-changed", self.scrollChanged )
self.scrollRight = gtk.Button( ">" )
self.scrollRight.connect( "clicked", self.doScroll, "right" )
self.pack_start( self.scrollRight, False, False )
self.pickerBox = gtk.HBox()
self.scrolledWindow.add_with_viewport( self.pickerBox )
self.pickerBox.get_parent().modify_bg( gtk.STATE_NORMAL, self.colors["Picker_Bg"] )
# spacers
self.pickerBox.pack_start( gtk.Label(" "), True, True )
self.pickerBox.pack_end( gtk.Label(" "), True, True )
self.show_all()
self.scroll = {}
self.scroll[filter] = 0
self.blocks = []
def addBlock( self, data, name, block = None ):
if block == None:
block = gtk.Button( name )
# tooltip
block._palette = Palette( name )
block._palette.props.invoker = WidgetInvoker(block)
block._palette.set_property( "position", Palette.AT_CURSOR )
block.add_events( gtk.gdk.BUTTON_PRESS_MASK
| gtk.gdk.BUTTON_RELEASE_MASK
| gtk.gdk.ENTER_NOTIFY_MASK
| gtk.gdk.LEAVE_NOTIFY_MASK
| gtk.gdk.POINTER_MOTION_MASK
| gtk.gdk.POINTER_MOTION_HINT_MASK )
block.connect( "button-press-event", self.button_press )
block.connect( "button-release-event", self.button_release )
block.connect( "motion-notify-event", self.motion_notify )
block.data = data
self.blocks.append( block )
if self._testAgainstFilter( block ):
self.pickerBox.pack_start( block, False, False, 3 )
block.show_all()
return block
def getFilter( self ):
return filter
def setFilter( self, filter ):
if filter == self.filter:
return
self.scroll[self.filter] = self.hadjustment.get_value()
self.filter = filter
for block in self.pickerBox.get_children()[1:-1]: # outside children are spacers
self.pickerBox.remove( block )
for block in self.blocks:
if self._testAgainstFilter( block ):
self.pickerBox.pack_start( block, False, False, 3 )
if self.scroll.has_key( filter ):
self.hadjustment.set_value( self.scroll[filter] )
else:
self.hadjustment.set_value( 0 )
self.scroll[filter] = 0
def _testAgainstFilter( self, block ):
return True
def doScroll( self, widget, data ):
if data == "left":
val = max( self.hadjustment.get_property("lower"), self.hadjustment.get_value() - self.hadjustment.get_property("page_increment") )
else:
val = min( self.hadjustment.get_property("upper") - self.hadjustment.get_property("page_size"), self.hadjustment.get_value() + self.hadjustment.get_property("page_increment") )
self.hadjustment.set_value( val )
def scrollChanged( self, widget ):
val = self.hadjustment.get_value()
if val == 0:
self.scrollLeft.set_sensitive( False )
else:
self.scrollLeft.set_sensitive( True )
if val >= self.hadjustment.get_property( "upper" ) - self.hadjustment.get_property("page_size"):
self.scrollRight.set_sensitive( False )
else:
self.scrollRight.set_sensitive( True )
def button_press( self, widget, event ):
pass
def button_release( self, widget, event ):
self.desktop.button_release( widget, event )
def motion_notify( self, widget, event ):
self.desktop.motion_notify( widget, event )
class Instrument( Picker ):
def __init__( self, owner, filter = ( "all" ) ):
Picker.__init__( self, owner, filter )
self.type = Instrument
self.instrumentDB = InstrumentDB.getRef()
for inst in self.instrumentDB.getSet( "all" ):
self.addBlock( inst.id )
def addBlock( self, id ):
# match data structure of Block.Instrument
data = { "name": _(Config.INSTRUMENTSID[id].name),
"id": id }
win = gtk.gdk.get_default_root_window()
width = Block.Instrument.WIDTH
height = Block.Instrument.HEIGHT
pixmap = gtk.gdk.Pixmap( win, width, height )
self.gc.set_clip_rectangle( gtk.gdk.Rectangle( 0, 0, width, height ) )
# draw bg
self.gc.foreground = self.colors["Picker_Bg"]
pixmap.draw_rectangle( self.gc, True, 0, 0, width, height )
self.gc.set_clip_mask( self.clipMask )
# draw border
self.gc.foreground = self.colors["Border_Inactive"]
self.gc.set_clip_origin( -Block.Instrument.MASK_START, 0 )
pixmap.draw_rectangle( self.gc, True, 0, 0, width, height )
# draw block
inst = self.owner.getInstrumentImage( data["id"] )
self.gc.set_clip_origin( -Block.Instrument.MASK_START, -height )
pixmap.draw_drawable( self.gc, inst, 0, 0, 0, 0, width, height )
image = gtk.Image()
image.set_from_pixmap( pixmap, None )
block = gtk.EventBox()
block.modify_bg( gtk.STATE_NORMAL, self.colors["Picker_Bg"] )
block.add( image )
Picker.addBlock( self, data, data["name"], block )
def _testAgainstFilter( self, block ):
if "all" in self.filter:
return True
for label in self.instrumentDB.getInstrument( block.data["id"] ).labels:
if label in self.filter:
return True
return False
def button_press( self, widget, event ):
walloc = widget.get_allocation()
salloc = self.scrolledWindow.get_allocation()
loc = ( walloc.x + salloc.x + event.x - self.hadjustment.get_value(), -1 )
self.desktop.addBlock( Block.Instrument, widget.data, loc, True )
class Drum( Picker ):
def __init__( self, owner, filter = None ):
Picker.__init__( self, owner, filter )
self.type = Drum
self.instrumentDB = InstrumentDB.getRef()
for inst in self.instrumentDB.getSet( "kit" ):
self.addBlock( inst.id )
def addBlock( self, id ):
# match data structure of Block.Drum
data = { "name": _(Config.INSTRUMENTSID[id].name),
"id": id }
win = gtk.gdk.get_default_root_window()
width = Block.Drum.WIDTH
height = Block.Drum.HEIGHT
pixmap = gtk.gdk.Pixmap( win, width, height )
self.gc.set_clip_rectangle( gtk.gdk.Rectangle( 0, 0, width, height ) )
# draw bg
self.gc.foreground = self.colors["Picker_Bg"]
pixmap.draw_rectangle( self.gc, True, 0, 0, width, height )
self.gc.set_clip_mask( self.clipMask )
# draw border
self.gc.foreground = self.colors["Border_Inactive"]
self.gc.set_clip_origin( -Block.Drum.MASK_START, 0 )
pixmap.draw_rectangle( self.gc, True, 0, 0, width, height )
# draw block
inst = self.owner.getInstrumentImage( data["id"] )
self.gc.set_clip_origin( -Block.Drum.MASK_START, -height )
pixmap.draw_drawable( self.gc, inst, 0, 0, 0, 0, width, height )
image = gtk.Image()
image.set_from_pixmap( pixmap, None )
block = gtk.EventBox()
block.modify_bg( gtk.STATE_NORMAL, self.colors["Picker_Bg"] )
block.add( image )
Picker.addBlock( self, data, data["name"], block )
def button_press( self, widget, event ):
walloc = widget.get_allocation()
salloc = self.scrolledWindow.get_allocation()
loc = ( walloc.x + salloc.x + event.x - self.hadjustment.get_value(), -1 )
self.desktop.addBlock( Block.Drum, widget.data, loc, True )
class Loop( Picker ):
def __init__( self, owner, filter = None ):
Picker.__init__( self, owner, filter )
self.type = Loop
self.addBlock( {}, "Loop" )
def _loadFile( self, path ):
try:
oldPages = sets.Set( self.owner.noteDB.getTune() )
ifile = open( path, 'r' )
ttt = ControlStream.TamTamTable ( self.owner.noteDB )
ttt.parseFile( ifile )
ifile.close()
curPages = sets.Set( self.owner.noteDB.getTune() )
newPages = curPages.difference( oldPages )
if len(newPages) != 1:
print "ERROR: bad loop file, contains more than one page (or none)"
return -1
return newPages.pop() # new pageId
except OSError,e:
print 'ERROR: failed to open file %s for reading\n' % ofilename
def _scanDirectory( self, path ):
pass
def button_press( self, widget, event ):
walloc = widget.get_allocation()
salloc = self.scrolledWindow.get_allocation()
loc = ( walloc.x + salloc.x + event.x - self.hadjustment.get_value(), -1 )
self.desktop.addBlock( Block.Loop, { "beats": random.randint(1,8) }, loc, True )
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