From 24054c95d8313cc41cb215f34352fc4d206473d1 Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Thu, 13 Dec 2018 23:42:15 +0100
Subject: [PATCH] Prevent the user from resizing the last wxDataViewCtrl column

This is useless as this column will be automatically expanded to fill
all the available space anyhow.

See #18295.
---
 include/wx/generic/dataview.h |  2 ++
 src/generic/datavgen.cpp      | 11 +++++++++++
 2 files changed, 13 insertions(+)

diff --git a/include/wx/generic/dataview.h b/include/wx/generic/dataview.h
index 815dfcb75b..2ee210ceac 100644
--- a/include/wx/generic/dataview.h
+++ b/include/wx/generic/dataview.h
@@ -107,6 +107,8 @@ public:
         return m_flags;
     }
 
+    virtual bool IsResizeable() const wxOVERRIDE;
+
     virtual bool IsSortKey() const wxOVERRIDE
     {
         return m_sort;
diff --git a/src/generic/datavgen.cpp b/src/generic/datavgen.cpp
index c5aad72db8..5df51937e1 100644
--- a/src/generic/datavgen.cpp
+++ b/src/generic/datavgen.cpp
@@ -256,6 +256,17 @@ void wxDataViewColumn::SetSortOrder(bool ascending)
     m_owner->OnColumnChange(idx);
 }
 
+bool wxDataViewColumn::IsResizeable() const
+{
+    // The last column in generic wxDataViewCtrl is never resizeable by the
+    // user because it's always automatically expanded to consume all the
+    // available space, so prevent the user from resizing it.
+    if ( this == GetOwner()->GetColumn(GetOwner()->GetColumnCount() - 1) )
+        return false;
+
+    return wxDataViewColumnBase::IsResizeable();
+}
+
 //-----------------------------------------------------------------------------
 // wxDataViewHeaderWindow
 //-----------------------------------------------------------------------------