NLA Editor Drawing: Set up AnimChannelType callbacks for drawing NLA Editor

This commit lays some of the groundwork needed to port the last of the NLA Editor
channel types that's still defined using custom code. By moving this code over
to the newer standardised framework, this will enable widgets to have tooltips
to make it easier for users to find out what various buttons do.

Currently this isn't hooked up to anything though.

1 files changed, 11 insertions, 1 deletions

diff --git a/source/blender/editors/include/ED_anim_api.h b/source/blender/editors/include/ED_anim_api.h
index 9e219427dd8..c6b8d879180 100644
--- a/source/blender/editors/include/ED_anim_api.h
+++ b/source/blender/editors/include/ED_anim_api.h
@@ -48,6 +48,7 @@ struct Object;
 
 struct bDopeSheet;
 
+struct bAction;
 struct bActionGroup;
 struct FCurve;
 struct FModifier;
@@ -376,7 +377,8 @@ typedef enum eAnimChannel_Settings {
 	ACHANNEL_SETTING_MUTE     = 2,
 	ACHANNEL_SETTING_EXPAND   = 3,
 	ACHANNEL_SETTING_VISIBLE  = 4,  /* only for Graph Editor */
-	ACHANNEL_SETTING_SOLO     = 5   /* only for NLA Tracks */
+	ACHANNEL_SETTING_SOLO     = 5,  /* only for NLA Tracks */
+	ACHANNEL_SETTING_PINNED   = 6   /* only for NLA Actions */
 } eAnimChannel_Settings;
 
 
@@ -530,6 +532,14 @@ int getname_anim_fcurve(char *name, struct ID *id, struct FCurve *fcu);
 /* Automatically determine a color for the nth F-Curve */
 void getcolor_fcurve_rainbow(int cur, int tot, float out[3]);
 
+/* ----------------- NLA Drawing ----------------------- */
+/* NOTE: Technically, this is not in the animation module (it's in space_nla)
+ * but these are sometimes needed by various animation apis.
+ */
+
+/* Get color to use for NLA Action channel's background */
+void nla_action_get_color(struct AnimData *adt, struct bAction *act, float color[4]);
+
 /* ----------------- NLA-Mapping ----------------------- */
 /* anim_draw.c */