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Diffstat (limited to 'gtk2_ardour/stereo_panner.cc')
-rw-r--r--gtk2_ardour/stereo_panner.cc8
1 files changed, 8 insertions, 0 deletions
diff --git a/gtk2_ardour/stereo_panner.cc b/gtk2_ardour/stereo_panner.cc
index 128bfe6c77..cff4ebd898 100644
--- a/gtk2_ardour/stereo_panner.cc
+++ b/gtk2_ardour/stereo_panner.cc
@@ -192,6 +192,14 @@ StereoPanner::on_expose_event (GdkEventExpose* ev)
left = center - pan_spread; // center of left box
right = center + pan_spread; // center of right box
+ /* center line */
+
+ context->set_line_width (1.0);
+ context->move_to ((usable_width + lr_box_size)/2.0, 0);
+ context->rel_line_to (0, height);
+ context->set_source_rgba (UINT_RGBA_R_FLT(o), UINT_RGBA_G_FLT(o), UINT_RGBA_B_FLT(o), UINT_RGBA_A_FLT(o));
+ context->stroke ();
+
/* compute & draw the line through the box */
context->set_line_width (2);