From 00bb6a5ecd09b5ae0a209ad68fe1998b70b66e04 Mon Sep 17 00:00:00 2001
From: andreykproductengine <none@none>
Date: Wed, 30 Nov 2016 21:25:06 +0200
Subject: MAINT-6803 Account for deselection

---
 indra/newview/llselectmgr.cpp  |  5 +++++
 indra/newview/llselectmgr.h    |  1 +
 indra/newview/llviewermenu.cpp | 18 +++++++++++++-----
 3 files changed, 19 insertions(+), 5 deletions(-)

(limited to 'indra')

diff --git a/indra/newview/llselectmgr.cpp b/indra/newview/llselectmgr.cpp
index e07c11b1e3..dd934ce6b8 100644
--- a/indra/newview/llselectmgr.cpp
+++ b/indra/newview/llselectmgr.cpp
@@ -6006,6 +6006,11 @@ S32 LLSelectNode::getLastSelectedTE()
 	return mLastTESelected;
 }
 
+S32 LLSelectNode::getLastOperatedTE()
+{
+	return mLastTESelected;
+}
+
 LLViewerObject* LLSelectNode::getObject()
 {
 	if (!mObject)
diff --git a/indra/newview/llselectmgr.h b/indra/newview/llselectmgr.h
index c167ecd236..2a893af266 100644
--- a/indra/newview/llselectmgr.h
+++ b/indra/newview/llselectmgr.h
@@ -170,6 +170,7 @@ public:
 	void selectTE(S32 te_index, BOOL selected);
 	BOOL isTESelected(S32 te_index);
 	S32 getLastSelectedTE();
+	S32 getLastOperatedTE();
 	S32 getTESelectMask() { return mTESelectMask; }
 	void renderOneWireframe(const LLColor4& color);
 	void renderOneSilhouette(const LLColor4 &color);
diff --git a/indra/newview/llviewermenu.cpp b/indra/newview/llviewermenu.cpp
index 24df985e3a..f904cc6eb8 100644
--- a/indra/newview/llviewermenu.cpp
+++ b/indra/newview/llviewermenu.cpp
@@ -5227,11 +5227,15 @@ class LLToolsSelectNextPartFace : public view_listener_t
             if (!to_select) return false;
 
             S32 te_count = to_select->getNumTEs();
-            S32 selected_te = nodep->getLastSelectedTE();
+            S32 selected_te = nodep->getLastOperatedTE();
 
-            if ((fwd || ifwd) && selected_te >= 0)
+            if (fwd || ifwd)
             {
-                if (selected_te + 1 < te_count)
+                if (selected_te < 0)
+                {
+                    new_te = 0;
+                }
+                else if (selected_te + 1 < te_count)
                 {
                     // select next face
                     new_te = selected_te + 1;
@@ -5242,9 +5246,13 @@ class LLToolsSelectNextPartFace : public view_listener_t
                     restart_face_on_part = true;
                 }
             }
-            else if ((prev || iprev) && selected_te < te_count)
+            else if (prev || iprev)
             {
-                if (selected_te - 1 >= 0)
+                if (selected_te > te_count)
+                {
+                    new_te = te_count - 1;
+                }
+                else if (selected_te - 1 >= 0)
                 {
                     // select previous face
                     new_te = selected_te - 1;
-- 
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