Merge branch 'main' of https://github.com/secondlife/viewer into DRTVWR-600-maint-A

# Conflicts:
#	autobuild.xml
#	indra/llrender/llfontbitmapcache.cpp
#	indra/llrender/llfontbitmapcache.h
#	indra/llrender/llfontfreetype.cpp
#	indra/llrender/llfontfreetype.h
#	indra/llrender/llfontgl.cpp
#	indra/llrender/llfontgl.h
#	indra/llui/llbutton.h
#	indra/llui/llfloater.cpp
#	indra/llui/llfloater.h
#	indra/llui/llfolderviewitem.cpp
#	indra/llui/lllineeditor.cpp
#	indra/llui/lllineeditor.h
#	indra/llui/llscrollcontainer.cpp
#	indra/llui/llscrollingpanellist.cpp
#	indra/llui/llscrollingpanellist.h
#	indra/llui/llscrolllistctrl.h
#	indra/llui/lltextbase.cpp
#	indra/llui/lltextbase.h
#	indra/llui/lltexteditor.cpp
#	indra/llui/lltexteditor.h
#	indra/llui/lluictrl.cpp
#	indra/llui/llview.cpp
#	indra/llui/llview.h
#	indra/newview/llchicletbar.h
#	indra/newview/llconversationlog.h
#	indra/newview/llfloaterimsessiontab.cpp
#	indra/newview/llfloaterimsessiontab.h
#	indra/newview/llfloateruipreview.cpp
#	indra/newview/llnavigationbar.h
#	indra/newview/llpaneltopinfobar.h
#	indra/newview/llpathfindingpathtool.h
#	indra/newview/lltextureview.cpp
#	indra/newview/lltoolbrush.h
#	indra/newview/lltoolcomp.h
#	indra/newview/lltooldraganddrop.h
#	indra/newview/lltoolface.h
#	indra/newview/lltoolfocus.h
#	indra/newview/lltoolindividual.h
#	indra/newview/lltoolobjpicker.h
#	indra/newview/lltoolpie.h
#	indra/newview/lltoolpipette.h
#	indra/newview/lltoolselectland.h
#	indra/newview/llviewermediafocus.h
#	indra/newview/llviewerparcelmediaautoplay.h
#	indra/newview/llviewerwindow.cpp
#	indra/newview/llvoicechannel.h
#	indra/newview/llvoicevivox.h
#	indra/newview/llworldmapview.cpp

1 files changed, 44 insertions, 15 deletions

diff --git a/indra/llwindow/llopenglview-objc.mm b/indra/llwindow/llopenglview-objc.mm
index 586e00b5e4..0bd4e506a2 100644
--- a/indra/llwindow/llopenglview-objc.mm
+++ b/indra/llwindow/llopenglview-objc.mm
@@ -733,23 +733,52 @@ attributedStringInfo getSegments(NSAttributedString *str)
 
 - (void)insertText:(id)aString replacementRange:(NSRange)replacementRange
 {
-	if (!mHasMarkedText)
+	// SL-19801 Special workaround for system emoji picker
+	if ([aString length] == 2)
 	{
-		for (NSInteger i = 0; i < [aString length]; i++)
-		{
-			callUnicodeCallback([aString characterAtIndex:i], mModifiers);
-		}
-	} else {
-        resetPreedit();
-		// We may never get this point since unmarkText may be called before insertText ever gets called once we submit our text.
-		// But just in case...
-		
-		for (NSInteger i = 0; i < [aString length]; i++)
-		{
-			handleUnicodeCharacter([aString characterAtIndex:i]);
-		}
-		mHasMarkedText = FALSE;
+        @try
+        {
+            uint32_t b0 = [aString characterAtIndex:0];
+            uint32_t b1 = [aString characterAtIndex:1];
+            if (((b0 & 0xF000) == 0xD000) && ((b1 & 0xF000) == 0xD000))
+            {
+                uint32_t b = 0x10000 | ((b0 & 0x3F) << 10) | (b1 & 0x3FF);
+                callUnicodeCallback(b, 0);
+                return;
+            }
+        }
+        @catch(NSException * e)
+        {
+            // One of the characters is an attribute string?
+            NSLog(@"Encountered an unsupported attributed character. Exception: %@ String: %@", e.name, aString);
+            return;
+        }
 	}
+    
+    @try
+    {
+        if (!mHasMarkedText)
+        {
+            for (NSInteger i = 0; i < [aString length]; i++)
+            {
+                callUnicodeCallback([aString characterAtIndex:i], mModifiers);
+            }
+        } else {
+            resetPreedit();
+            // We may never get this point since unmarkText may be called before insertText ever gets called once we submit our text.
+            // But just in case...
+            
+            for (NSInteger i = 0; i < [aString length]; i++)
+            {
+                handleUnicodeCharacter([aString characterAtIndex:i]);
+            }
+            mHasMarkedText = FALSE;
+        }
+    }
+    @catch(NSException * e)
+    {
+        NSLog(@"Failed to process an attributed string. Exception: %@ String: %@", e.name, aString);
+    }
 }
 
 - (void) insertNewline:(id)sender