From 7a9a056767e7e3c46f01e7eeea4930681e803413 Mon Sep 17 00:00:00 2001
From: Takashi Sawanaka <sdottaka@users.sourceforge.net>
Date: Sun, 10 Oct 2021 08:54:53 +0900
Subject: [PATCH] Fix issue #998: Cannot resize last column with UI

---
 Externals/crystaledit/editlib/ccrystaltextbuffer.h |  2 +-
 Externals/crystaledit/editlib/ccrystaltextview.cpp | 11 +++++++++--
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/Externals/crystaledit/editlib/ccrystaltextbuffer.h b/Externals/crystaledit/editlib/ccrystaltextbuffer.h
index 664ff466d..7849cd1f1 100644
--- a/Externals/crystaledit/editlib/ccrystaltextbuffer.h
+++ b/Externals/crystaledit/editlib/ccrystaltextbuffer.h
@@ -314,7 +314,7 @@ public :
     }
     int  GetColumnWidth (int nColumnIndex) const;
     void SetColumnWidth (int nColumnIndex, int nColumnWidth);
-    std::vector<int> GetColumnWidths () const { return m_pSharedTableProps->m_aColumnWidths; }
+    const std::vector<int>& GetColumnWidths () const { return m_pSharedTableProps->m_aColumnWidths; }
     void SetColumnWidths (const std::vector<int>& columnWidths);
     int  GetColumnCount (int nLineIndex) const;
     void SetAllowNewlinesInQuotes (bool bAllowNewlinesInQuotes) { m_bAllowNewlinesInQuotes = bAllowNewlinesInQuotes; }
diff --git a/Externals/crystaledit/editlib/ccrystaltextview.cpp b/Externals/crystaledit/editlib/ccrystaltextview.cpp
index 8c00bb9fe..313c61da4 100644
--- a/Externals/crystaledit/editlib/ccrystaltextview.cpp
+++ b/Externals/crystaledit/editlib/ccrystaltextview.cpp
@@ -88,6 +88,7 @@
 #include "StdAfx.h"
 #include <vector>
 #include <algorithm>
+#include <numeric>
 #include <malloc.h>
 #include <imm.h> /* IME */
 #include "editcmd.h"
@@ -4103,8 +4104,9 @@ RecalcHorzScrollBar (bool bPositionOnly /*= false*/, bool bRedraw /*= true */)
   si.cbSize = sizeof (si);
 
   const int nScreenChars = GetScreenChars();
+  const TextLayoutMode layoutMode = GetTextLayoutMode ();
   
-  if (GetTextLayoutMode () == TEXTLAYOUT_WORDWRAP)
+  if (layoutMode == TEXTLAYOUT_WORDWRAP)
     {
       if (m_nOffsetChar > nScreenChars)
         {
@@ -4119,7 +4121,12 @@ RecalcHorzScrollBar (bool bPositionOnly /*= false*/, bool bRedraw /*= true */)
       return;
     }
 
-  const int nMaxLineLen = GetMaxLineLength (m_nTopLine, GetScreenLines());
+  int nMaxLineLen = GetMaxLineLength (m_nTopLine, GetScreenLines());
+  if (layoutMode == TEXTLAYOUT_TABLE_NOWORDWRAP || layoutMode == TEXTLAYOUT_TABLE_WORDWRAP)
+    {
+      auto widths = m_pTextBuffer->GetColumnWidths ();
+      nMaxLineLen = (std::max)(nMaxLineLen, std::accumulate (widths.begin (), widths.end (), 0));
+    }
 
   if (bPositionOnly)
     {
-- 
2.11.0