commit 3263fa4439e1a09dae6a0332a90b983d25bc218d
author Thomas Freitag <Thomas.Freitag@alfa.de> Tue Dec 12 00:26:37 2017 +0100
committer Albert Astals Cid <aacid@kde.org> Tue Dec 12 00:26:37 2017 +0100
tree 1b111b286bf3dca71abf4fe2c555f5d49f9ca3f4
parent e4ee1392136188fab0005a0bd7b30c6d9a16d97d

windows version for Error out on save if file has changed since we opened it

goo/gfile.cc

diff --git a/goo/gfile.cc b/goo/gfile.cc
index f7a4a9b..8659440 100644
--- a/goo/gfile.cc
+++ b/goo/gfile.cc
@@ -24,7 +24,7 @@
 // Copyright (C) 2013 Adam Reichold <adamreichold@myopera.com>
 // Copyright (C) 2013, 2017 Adrian Johnson <ajohnson@redneon.com>
 // Copyright (C) 2013 Peter Breitenlohner <peb@mppmu.mpg.de>
-// Copyright (C) 2013 Thomas Freitag <Thomas.Freitag@alfa.de>
+// Copyright (C) 2013, 2017 Thomas Freitag <Thomas.Freitag@alfa.de>
 // Copyright (C) 2017 Christoph Cullmann <cullmann@kde.org>
 //
 // To see a description of the changes please see the Changelog file that
@@ -599,6 +599,10 @@
 
 #ifdef _WIN32
 
+GooFile::GooFile(HANDLE handleA) : handle(handleA) {
+  GetFileTime(handleA, NULL, NULL, &modifiedTimeOnOpen);
+}
+
 int GooFile::read(char *buf, int n, Goffset offset) const {
   DWORD m;
   
@@ -642,6 +646,14 @@
   return handle == INVALID_HANDLE_VALUE ? NULL : new GooFile(handle);
 }
 
+bool GooFile::modificationTimeChangedSinceOpen() const
+{
+  struct _FILETIME lastModified;
+  GetFileTime(handle, NULL, NULL, &lastModified);
+
+  return modifiedTimeOnOpen.dwHighDateTime != lastModified.dwHighDateTime || modifiedTimeOnOpen.dwLowDateTime != lastModified.dwLowDateTime;
+}
+
 #else
 
 int GooFile::read(char *buf, int n, Goffset offset) const {

goo/gfile.h

diff --git a/goo/gfile.h b/goo/gfile.h
index 6bbcb90..13dfa3a 100644
--- a/goo/gfile.h
+++ b/goo/gfile.h
@@ -23,6 +23,7 @@
 // Copyright (C) 2014 Bogdan Cristea <cristeab@gmail.com>
 // Copyright (C) 2014 Peter Breitenlohner <peb@mppmu.mpg.de>
 // Copyright (C) 2017 Christoph Cullmann <cullmann@kde.org>
+// Copyright (C) 2017 Thomas Freitag <Thomas.Freitag@alfa.de>
 //
 // To see a description of the changes please see the Changelog file that
 // came with your tarball or type make ChangeLog if you are building from git
@@ -147,11 +148,12 @@
   ~GooFile() { CloseHandle(handle); }
 
   // Asuming than on windows you can't change files that are already open
-  bool modificationTimeChangedSinceOpen() const { return false; };
+  bool modificationTimeChangedSinceOpen() const;
   
 private:
-  GooFile(HANDLE handleA): handle(handleA) {}
+  GooFile(HANDLE handleA);
   HANDLE handle;
+  struct _FILETIME modifiedTimeOnOpen;
 #else
   ~GooFile() { close(fd); }