From 27cc015581c0ec269d9f0638b867a74630c50aca Mon Sep 17 00:00:00 2001
From: Philipp Oeser <info@graphics-engineer.com>
Date: Tue, 26 Apr 2016 12:54:51 +1000
Subject: Outliner: "Show Active" support for active bone

Resolves T48229
---
 .../blender/editors/space_outliner/outliner_edit.c | 34 +++++++++++++++++----
 .../editors/space_outliner/outliner_intern.h       |  4 +++
 .../blender/editors/space_outliner/outliner_tree.c | 35 ++++++++++++++++++++++
 3 files changed, 67 insertions(+), 6 deletions(-)

diff --git a/source/blender/editors/space_outliner/outliner_edit.c b/source/blender/editors/space_outliner/outliner_edit.c
index 222fe27983c..2627b978b40 100644
--- a/source/blender/editors/space_outliner/outliner_edit.c
+++ b/source/blender/editors/space_outliner/outliner_edit.c
@@ -59,6 +59,7 @@
 #include "ED_outliner.h"
 #include "ED_screen.h"
 #include "ED_keyframing.h"
+#include "ED_armature.h"
 
 #include "WM_api.h"
 #include "WM_types.h"
@@ -743,14 +744,35 @@ static int outliner_show_active_exec(bContext *C, wmOperator *UNUSED(op))
 	
 	TreeElement *te;
 	int xdelta, ytop;
-	
-	// TODO: make this get this info from context instead...
-	if (OBACT == NULL) 
+
+	Object *obact = OBACT;
+
+	if (!obact)
 		return OPERATOR_CANCELLED;
-	
-	te = outliner_find_id(so, &so->tree, (ID *)OBACT);
+
+
+	te = outliner_find_id(so, &so->tree, &obact->id);
+
+	if (obact->type == OB_ARMATURE) {
+		/* traverse down the bone hierarchy in case of armature */
+		TreeElement *te_obact = te;
+
+		if (obact->mode & OB_MODE_POSE) {
+			bPoseChannel *pchan = CTX_data_active_pose_bone(C);
+			if (pchan) {
+				te = outliner_find_posechannel(so, &te_obact->subtree, pchan);
+			}
+		}
+		else if (obact->mode & OB_MODE_EDIT) {
+			EditBone *ebone = CTX_data_active_bone(C);
+			if (ebone) {
+				te = outliner_find_editbone(so, &te_obact->subtree, ebone);
+			}
+		}
+	}
+
 	if (te) {
-		/* open up tree to active object */
+		/* open up tree to active object/bone */
 		if (outliner_open_back(te)) {
 			outliner_set_coordinates(ar, so);
 		}
diff --git a/source/blender/editors/space_outliner/outliner_intern.h b/source/blender/editors/space_outliner/outliner_intern.h
index 5db4897b36d..c1a26c10fa6 100644
--- a/source/blender/editors/space_outliner/outliner_intern.h
+++ b/source/blender/editors/space_outliner/outliner_intern.h
@@ -42,6 +42,8 @@ struct bContext;
 struct Scene;
 struct ID;
 struct Object;
+struct bPoseChannel;
+struct EditBone;
 
 typedef struct TreeElement {
 	struct TreeElement *next, *prev, *parent;
@@ -131,6 +133,8 @@ void outliner_cleanup_tree(struct SpaceOops *soops);
 TreeElement *outliner_find_tse(struct SpaceOops *soops, TreeStoreElem *tse);
 TreeElement *outliner_find_tree_element(ListBase *lb, TreeStoreElem *store_elem);
 TreeElement *outliner_find_id(struct SpaceOops *soops, ListBase *lb, struct ID *id);
+TreeElement *outliner_find_posechannel(struct SpaceOops *soops, ListBase *lb, const struct bPoseChannel *pchan);
+TreeElement *outliner_find_editbone(struct SpaceOops *soops, ListBase *lb, const struct EditBone *ebone);
 struct ID *outliner_search_back(SpaceOops *soops, TreeElement *te, short idcode);
 
 void outliner_build_tree(struct Main *mainvar, struct Scene *scene, struct SpaceOops *soops);
diff --git a/source/blender/editors/space_outliner/outliner_tree.c b/source/blender/editors/space_outliner/outliner_tree.c
index d688e628967..afa2210d3ed 100644
--- a/source/blender/editors/space_outliner/outliner_tree.c
+++ b/source/blender/editors/space_outliner/outliner_tree.c
@@ -245,6 +245,41 @@ TreeElement *outliner_find_id(SpaceOops *soops, ListBase *lb, ID *id)
 	return NULL;
 }
 
+TreeElement *outliner_find_posechannel(SpaceOops *soops, ListBase *lb, const bPoseChannel *pchan)
+{
+	for (TreeElement *te = lb->first; te; te = te->next) {
+		if (te->directdata == pchan) {
+			return te;
+		}
+
+		TreeStoreElem *tselem = TREESTORE(te);
+		if (ELEM(tselem->type, TSE_POSE_BASE, TSE_POSE_CHANNEL)) {
+			TreeElement *tes = outliner_find_posechannel(soops, &te->subtree, pchan);
+			if (tes) {
+				return tes;
+			}
+		}
+	}
+	return NULL;
+}
+
+TreeElement *outliner_find_editbone(SpaceOops *soops, ListBase *lb, const EditBone *ebone)
+{
+	for (TreeElement *te = lb->first; te; te = te->next) {
+		if (te->directdata == ebone) {
+			return te;
+		}
+
+		TreeStoreElem *tselem = TREESTORE(te);
+		if (ELEM(tselem->type, 0, TSE_EBONE)) {
+			TreeElement *tes = outliner_find_editbone(soops, &te->subtree, ebone);
+			if (tes) {
+				return tes;
+			}
+		}
+	}
+	return NULL;
+}
 
 ID *outliner_search_back(SpaceOops *UNUSED(soops), TreeElement *te, short idcode)
 {
-- 
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