Activity split

1 files changed, 47 insertions, 0 deletions

diff --git a/TamTamEdit.activity/Edit/rm/PositionIndicator.py b/TamTamEdit.activity/Edit/rm/PositionIndicator.py
new file mode 100644
index 0000000..aadc4f4
--- /dev/null
+++ b/TamTamEdit.activity/Edit/rm/PositionIndicator.py
@@ -0,0 +1,47 @@
+import pygtk
+pygtk.require( '2.0' )
+import gtk
+
+#----------------------------------------------------------------------
+# A verical bar used to show the current point in time on a page
+# TODO: modify this class to change the current point in time
+#       on click and drag
+#----------------------------------------------------------------------
+class PositionIndicator( gtk.DrawingArea ):
+    #-----------------------------------
+    # initialization
+    #-----------------------------------
+    def __init__( self, trackIDs, selectedTrackIDs, mutedTrackIDs ):
+        gtk.DrawingArea.__init__( self )
+        
+        self.trackIDs = trackIDs
+        self.selectedTrackIDs = selectedTrackIDs
+        self.mutedTrackIDs = mutedTrackIDs
+
+        self.connect( "expose-event", self.draw )
+
+    def draw( self, drawingArea, event ):
+        indicatorSize = self.get_allocation()
+        trackHeight = indicatorSize.height / len( self.trackIDs )
+        
+        context = drawingArea.window.cairo_create()
+
+        trackIndex = 0
+        for trackID in self.trackIDs:
+            height = trackIndex * trackHeight
+ 
+            context.move_to( 0, height )
+            context.rel_line_to( indicatorSize.width, 0 )
+            context.rel_line_to( 0, height + trackHeight )
+            context.rel_line_to( -indicatorSize.width, 0 )
+            context.close_path()
+
+            if trackID not in self.mutedTrackIDs:
+                context.set_source_rgb( 0, 0, 0 ) #black
+            else:
+                context.set_source_rgb( 0.6, 0.6, 0.6 ) #grey
+            
+            context.fill_preserve()
+            context.stroke()
+            
+            trackIndex += 1
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