Port of Qt 4's Windows session management

This patch aims to implement the session management for Windows.
Based on the Qt 4 QApplication windows specific code

Task-number: QTBUG-28228
Task-number: QTBUG-33032
Change-Id: I7059298ad9661aebd51e77a03f55a7a04f461479
Reviewed-by: Kai Koehne <kai.koehne@digia.com>

1 files changed, 19 insertions, 0 deletions

diff --git a/src/corelib/kernel/qcoreapplication_win.cpp b/src/corelib/kernel/qcoreapplication_win.cpp
index dd1b84aa58..418074dc7a 100644
--- a/src/corelib/kernel/qcoreapplication_win.cpp
+++ b/src/corelib/kernel/qcoreapplication_win.cpp
@@ -1,5 +1,6 @@
 /****************************************************************************
 **
+** Copyright (C) 2013 Samuel Gaist <samuel.gaist@edeltech.ch>
 ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
 ** Contact: http://www.qt-project.org/legal
 **
@@ -990,6 +991,24 @@ QString decodeMSG(const MSG& msg)
             }
             break;
 #endif
+#ifdef WM_QUERYENDSESSION
+#ifndef ENDSESSION_CLOSEAPP
+#define ENDSESSION_CLOSEAPP 0x00000001
+#endif
+#ifndef ENDSESSION_CRITICAL
+#define ENDSESSION_CRITICAL 0x40000000
+#endif
+        case WM_QUERYENDSESSION:
+            {
+                QString logoffOption = valueCheck(wParam,
+                                                  FLAG_STRING(ENDSESSION_CLOSEAPP, "Close application"),
+                                                  FLAG_STRING(ENDSESSION_CRITICAL, "Force application end"),
+                                                  FLAG_STRING(ENDSESSION_LOGOFF,   "User logoff"),
+                                                  FLAG_STRING());
+                parameters.sprintf("End session: %s", logoffOption.toLatin1().data());
+            }
+           break;
+#endif
         default:
             parameters.sprintf("wParam(0x%p) lParam(0x%p)", (void *)wParam, (void *)lParam);
             break;