From e7657f62126e702834e549364a7ce06147f4010e Mon Sep 17 00:00:00 2001
From: baldurk <baldurk@baldurk.org>
Date: Fri, 14 Aug 2020 14:55:57 +0100
Subject: [PATCH] Use QTextBoundaryFinder to truncate resource names

---
 qrenderdoc/Code/QRDUtils.cpp | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/qrenderdoc/Code/QRDUtils.cpp b/qrenderdoc/Code/QRDUtils.cpp
index 94d74b2e5..be2b66c82 100644
--- a/qrenderdoc/Code/QRDUtils.cpp
+++ b/qrenderdoc/Code/QRDUtils.cpp
@@ -47,6 +47,7 @@
 #include <QRegularExpressionMatch>
 #include <QStandardPaths>
 #include <QTextBlock>
+#include <QTextBoundaryFinder>
 #include <QTextDocument>
 #include <QtMath>
 #include "Code/Resources.h"
@@ -162,9 +163,17 @@ rdcstr DoStringise(const PointerVal &el)
 
 QString GetTruncatedResourceName(ICaptureContext &ctx, ResourceId id)
 {
-  rdcstr name = ctx.GetResourceName(id);
+  QString name = ctx.GetResourceName(id);
   if(name.length() > 64)
-    return name.substr(0, 64) + "...";
+  {
+    QTextBoundaryFinder boundaries(QTextBoundaryFinder::Grapheme, name.data(), name.length());
+    boundaries.setPosition(64);
+    if(!boundaries.isAtBoundary())
+      boundaries.toPreviousBoundary();
+    int pos = boundaries.position();
+    name.resize(pos);
+    name += lit("...");
+  }
 
   return name;
 }