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Diffstat (limited to 'Edit/rm/PositionIndicator.py')
| -rw-r--r-- | Edit/rm/PositionIndicator.py | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/Edit/rm/PositionIndicator.py b/Edit/rm/PositionIndicator.py new file mode 100644 index 0000000..aadc4f4 --- /dev/null +++ b/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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