1 files changed, 55 insertions, 0 deletions
diff --git a/source/blender/editors/space_action/action_select.c b/source/blender/editors/space_action/action_select.c
index 877b40c5cb1..8f1d2d4be0e 100644
--- a/source/blender/editors/space_action/action_select.c
+++ b/source/blender/editors/space_action/action_select.c
@@ -558,6 +558,61 @@ void ACTION_OT_select_column (wmOperatorType *ot)
 	ot->prop= RNA_def_enum(ot->srna, "mode", prop_column_select_types, 0, "Mode", "");
 }
 
+/* ******************** Select Linked Operator *********************** */
+
+static int actkeys_select_linked_exec (bContext *C, wmOperator *op)
+{
+	bAnimContext ac;
+	
+	ListBase anim_data= {NULL, NULL};
+	bAnimListElem *ale;
+	int filter;
+	
+	KeyframeEditFunc ok_cb = ANIM_editkeyframes_ok(BEZT_OK_SELECTED);
+	KeyframeEditFunc sel_cb = ANIM_editkeyframes_select(SELECT_ADD);
+	
+	/* get editor data */
+	if (ANIM_animdata_get_context(C, &ac) == 0)
+		return OPERATOR_CANCELLED;
+	
+	/* loop through all of the keys and select additional keyframes based on these */
+	filter= (ANIMFILTER_VISIBLE | ANIMFILTER_CURVEVISIBLE | ANIMFILTER_CURVESONLY);
+	ANIM_animdata_filter(&ac, &anim_data, filter, ac.data, ac.datatype);
+	
+	for (ale= anim_data.first; ale; ale= ale->next) {
+		FCurve *fcu= (FCurve *)ale->key_data;
+		
+		/* check if anything selected? */
+		if (ANIM_fcurve_keyframes_loop(NULL, fcu, NULL, ok_cb, NULL)) {
+			/* select every keyframe in this curve then */
+			ANIM_fcurve_keyframes_loop(NULL, fcu, NULL, sel_cb, NULL);
+		}
+	}
+	
+	/* Cleanup */
+	BLI_freelistN(&anim_data);
+	
+	/* set notifier that keyframe selection has changed */
+	WM_event_add_notifier(C, NC_ANIMATION|ND_KEYFRAME_SELECT, NULL);
+	
+	return OPERATOR_FINISHED;
+}
+
+void ACTION_OT_select_linked (wmOperatorType *ot)
+{
+	/* identifiers */
+	ot->name = "Select Linked";
+	ot->idname= "ACTION_OT_select_linked";
+	ot->description = "Select keyframes occurring the same F-Curves as selected ones";
+	
+	/* api callbacks */
+	ot->exec= actkeys_select_linked_exec;
+	ot->poll= ED_operator_action_active;
+	
+	/* flags */
+	ot->flag= OPTYPE_REGISTER/*|OPTYPE_UNDO*/;
+}
+
 /* ******************** Select More/Less Operators *********************** */
 
 /* Common code to perform selection */