2.5 - Groundwork for Adding/Removing Drivers

Drivers can now be Added/Removed from buttons using the D/Alt-D hotkeys, and also through the menu. Driver settings (i.e. the target) are not set by default. To set those, go to the Graph Editor (see notes).

Notes:
* Buildsystem maintainers - I've added a new file "editors/animation/drivers.c"
* Widget colours for the driven-setting indications are needed 
* To see the new drivers, go into Graph Editor -> "Drivers" mode. Currently, there's a little bug there which prevents editing of the new drivers.

1 files changed, 16 insertions, 1 deletions

diff --git a/source/blender/editors/include/ED_keyframing.h b/source/blender/editors/include/ED_keyframing.h
index 5e4e0d4a44d..98a44d3ef2b 100644
--- a/source/blender/editors/include/ED_keyframing.h
+++ b/source/blender/editors/include/ED_keyframing.h
@@ -95,10 +95,25 @@ void ANIM_OT_delete_keyframe_menu(struct wmOperatorType *ot); // xxx unimplement
 void ANIM_OT_delete_keyframe_old(struct wmOperatorType *ot); // xxx rename and keep?
 
 /* Keyframe managment operators for UI buttons. */
-
 void ANIM_OT_insert_keyframe_button(struct wmOperatorType *ot);
 void ANIM_OT_delete_keyframe_button(struct wmOperatorType *ot);
 
+/* ************ Drivers ********************** */
+
+/* Main Driver Management API calls:
+ * 	Add a new driver for the specified property on the given ID block
+ */
+short ANIM_add_driver (struct ID *id, const char rna_path[], int array_index, short flag);
+
+/* Main Driver Management API calls:
+ * 	Remove the driver for the specified property on the given ID block (if available)
+ */
+short ANIM_remove_driver (struct ID *id, const char rna_path[], int array_index, short flag);
+
+/* Driver management operators for UI buttons */
+void ANIM_OT_add_driver_button(struct wmOperatorType *ot);
+void ANIM_OT_remove_driver_button(struct wmOperatorType *ot);
+
 /* ************ Auto-Keyframing ********************** */
 /* Notes:
  * - All the defines for this (User-Pref settings and Per-Scene settings)