Animation Channels Drawing Tweak:

A solid color backdrop is now drawn behind the mute/protect toggles and sliders, reducing the visual clutter with long names still appearing behind the UI widgets.

source/blender/editors/include/ED_anim_api.h

@@ -327,6 +327,8 @@ typedef enum eAnimChannel_Settings {
 /* Drawing, mouse handling, and flag setting behaviour... */
 typedef struct bAnimChannelType {
 	/* drawing */
+		/* get RGB color that is used to draw the majority of the backdrop */
+	void (*get_backdrop_color)(bAnimContext *ac, bAnimListElem *ale, float *color);
 		/* draw backdrop strip for channel */
 	void (*draw_backdrop)(bAnimContext *ac, bAnimListElem *ale, float yminc, float ymaxc);
 		/* get depth of indention (relative to the depth channel is nested at) */
@@ -334,7 +336,6 @@ typedef struct bAnimChannelType {
 		/* get offset in pixels for the start of the channel (in addition to the indent depth) */
 	short (*get_offset)(bAnimContext *ac, bAnimListElem *ale);
 	
-	
 	/* get name (for channel lists) */
 	void (*name)(bAnimListElem *ale, char *name);
 	/* get icon (for channel lists) */