From 6f57fcb7286d28d3d483c1f8ce7d3ee6f439a52b Mon Sep 17 00:00:00 2001
From: amartin <olpc@xo-05-28-21.localdomain>
Date: Mon, 27 Aug 2007 09:11:28 +0000
Subject: Jam loops

---
(limited to 'Jam')

diff --git a/Jam/Block.py b/Jam/Block.py
index c86a53b..adc487a 100644
--- a/Jam/Block.py
+++ b/Jam/Block.py
@@ -135,6 +135,9 @@ class Block():
         self.active = state
         self.invalidate_rect( not self.dragging )
 
+        if self.child:
+            self.child.setActive( state )
+
     def button_press( self, event ):
         
         if event.y < self.y or event.y > self.endY:
@@ -411,6 +414,17 @@ class Loop(Block):
     def _doButtonPress( self, event ): # we were hit with a button press
         pass
 
+    def button_release( self, event ):
+        if not self.dragging:
+            if self.active:
+                root = self.getRoot()
+                self.owner.deactivateLoop( root.child )
+            else:
+                root = self.getRoot()
+                if root.type == Instrument: # must be attached to an instrument
+                    self.owner.activateLoop( root.child )
+        Block.button_release( self, event )
+
     def _doDraw( self, startX, startY, stopX, stopY, pixmap ):
         y = max( startY, self.y )
         endY = min( stopY, self.endY )
diff --git a/Jam/Desktop.py b/Jam/Desktop.py
index 1a99cee..11d835f 100644
--- a/Jam/Desktop.py
+++ b/Jam/Desktop.py
@@ -33,6 +33,8 @@ class Desktop( gtk.EventBox ):
         self.activeInstrument = None
         self.activeDrum = None
 
+        self.loops = {} # dict of playing loops by loop root 
+
         self.add_events(gtk.gdk.POINTER_MOTION_MASK|gtk.gdk.POINTER_MOTION_HINT_MASK)
         
         self.connect( "size-allocate", self.size_allocate )
@@ -156,6 +158,27 @@ class Desktop( gtk.EventBox ):
         data = self.activeDrum.data
         self.owner._playDrum( data["id"], data["volume"], data["beats"], data["regularity"], data["seed"] ) 
 
+    def activateLoop( self, block ):
+        block.setActive( True )
+
+        inst = block.parent.data
+
+        tune = []
+        itr = block
+        while itr != None:
+            tune.append( itr.data["id"] )
+            itr = itr.child
+
+        loopId = self.owner._playLoop( inst["id"], inst["volume"], tune ) 
+
+        self.loops[block] = loopId
+        
+    def deactivateLoop( self, block ):
+        block.setActive( False )
+
+        self.owner._stopLoop( self.loops[block] )
+        del self.loops[block]
+
     #==========================================================
     # Mouse
 
diff --git a/Jam/JamMain.py b/Jam/JamMain.py
index 9ef3fc3..28e19f6 100644
--- a/Jam/JamMain.py
+++ b/Jam/JamMain.py
@@ -71,12 +71,12 @@ class JamMain(SubActivity):
                         #"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_Active":        colormap.alloc_color( "#590000" ), 
                         "Border_Inactive":      colormap.alloc_color( "#8D8D8D" ), 
                         "Border_Highlight":     colormap.alloc_color( "#FFFFFF" ), 
-                        "Bg_Active":            colormap.alloc_color( "#9400BE" ), 
+                        "Bg_Active":            colormap.alloc_color( "#FFDDEA" ), 
                         "Bg_Inactive":          colormap.alloc_color( "#DBDBDB" ),
-                        "Note_Fill_Active":     lighten( colormap, "#FF6000" ),  # base "Border_Active"
+                        "Note_Fill_Active":     lighten( colormap, "#590000" ),  # base "Border_Active"
                         "Note_Fill_Inactive":   lighten( colormap, "#8D8D8D" ) } # base "Border_Inactive"
         self.colors[    "Note_Border_Active"] =   self.colors["Border_Active"]
         self.colors[    "Note_Border_Inactive"] = self.colors["Border_Inactive"]
@@ -306,7 +306,6 @@ class JamMain(SubActivity):
                             "pan":          0.5,
                             "reverb":       self.reverb }
 
-
     def _playDrum( self, id, volume, beats, regularity, seed ):
         def flatten(ll):
             rval = []
@@ -340,6 +339,36 @@ class JamMain(SubActivity):
         self.drumFillin.stop()
         self.csnd.loopPause()
 
+    def _playLoop( self, id, volume, tune ):
+        loopId = self.csnd.loopCreate()
+        
+        offset = 0
+        print "------------", loopId, tune
+        temp = []
+        for page in tune:
+            for n in self.noteDB.getNotesByTrack( page, 0 ):
+                temp.append( n )
+                n.pushState()
+                n.cs.instrumentId = id
+                n.cs.onset += offset
+                self.csnd.loopPlay( n, 1, loopId = loopId )
+                n.popState()
+            offset += self.noteDB.getPage(page).ticks
+
+        print temp
+
+        self.csnd.loopSetNumTicks( offset, loopId )
+        
+        # TODO update for beat syncing
+
+        self.csnd.loopStart( loopId )
+
+        return loopId
+
+    def _stopLoop( self, loopId ):
+        print "===============", loopId
+        self.csnd.loopDestroy( loopId )
+
     #==========================================================
     # Get/Set 
 
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