1 files changed, 112 insertions, 0 deletions
diff --git a/vcl/win/app/salshl.cxx b/vcl/win/app/salshl.cxx
new file mode 100644
index 0000000000..5619ece1f0
--- /dev/null
+++ b/vcl/win/app/salshl.cxx
@@ -0,0 +1,112 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <svsys.h>
+#include <sal/log.hxx>
+#include <win/saldata.hxx>
+
+SalShlData aSalShlData;
+
+extern "C" BOOL WINAPI DllMain(HINSTANCE hInst, DWORD nReason, LPVOID)
+{
+    if ( nReason == DLL_PROCESS_ATTACH )
+        aSalShlData.mhInst = hInst;
+    return 1;
+}
+
+HCURSOR ImplLoadSalCursor( int nId )
+{
+    SAL_WARN_IF( !aSalShlData.mhInst, "vcl", "no DLL instance handle" );
+
+    HCURSOR hCursor = LoadCursorW( aSalShlData.mhInst, MAKEINTRESOURCEW( nId ) );
+
+    SAL_WARN_IF( !hCursor, "vcl", "cursor not found in sal resource" );
+
+    return hCursor;
+}
+
+HBITMAP ImplLoadSalBitmap( int nId )
+{
+    SAL_WARN_IF( !aSalShlData.mhInst, "vcl", "no DLL instance handle" );
+
+    HBITMAP hBitmap = LoadBitmapW( aSalShlData.mhInst, MAKEINTRESOURCEW( nId ) );
+
+    SAL_WARN_IF( !hBitmap, "vcl", "bitmap not found in sal resource" );
+
+    return hBitmap;
+}
+
+bool ImplLoadSalIcon( int nId, HICON& rIcon, HICON& rSmallIcon )
+{
+    SAL_WARN_IF( !aSalShlData.mhInst, "vcl", "no DLL instance handle" );
+
+    SalData* pSalData = GetSalData();
+
+    // check the cache first
+    SalIcon *pSalIcon = pSalData->mpFirstIcon;
+    while( pSalIcon )
+    {
+        if( pSalIcon->nId != nId )
+            pSalIcon = pSalIcon->pNext;
+        else
+        {
+            rIcon       = pSalIcon->hIcon;
+            rSmallIcon  = pSalIcon->hSmallIcon;
+            return (rSmallIcon != nullptr);
+        }
+    }
+
+    // Try at first to load the icons from the application exe file
+    rIcon = static_cast<HICON>(LoadImageW( pSalData->mhInst, MAKEINTRESOURCEW( nId ),
+                                           IMAGE_ICON, GetSystemMetrics( SM_CXICON ), GetSystemMetrics( SM_CYICON ),
+                                           LR_DEFAULTCOLOR ));
+    if ( !rIcon )
+    {
+        // If the application don't provide these icons, then we try
+        // to load the icon from the VCL resource
+        rIcon = static_cast<HICON>(LoadImageW( aSalShlData.mhInst, MAKEINTRESOURCEW( nId ),
+                                           IMAGE_ICON, GetSystemMetrics( SM_CXICON ), GetSystemMetrics( SM_CYICON ),
+                                           LR_DEFAULTCOLOR ));
+        if ( rIcon )
+        {
+            rSmallIcon = static_cast<HICON>(LoadImageW( aSalShlData.mhInst, MAKEINTRESOURCEW( nId ),
+                                           IMAGE_ICON, GetSystemMetrics( SM_CXSMICON ), GetSystemMetrics( SM_CYSMICON ),
+                                           LR_DEFAULTCOLOR ));
+        }
+        else
+            rSmallIcon = nullptr;
+    }
+    else
+    {
+        rSmallIcon = static_cast<HICON>(LoadImageW( pSalData->mhInst, MAKEINTRESOURCEW( nId ),
+                                       IMAGE_ICON, GetSystemMetrics( SM_CXSMICON ), GetSystemMetrics( SM_CYSMICON ),
+                                       LR_DEFAULTCOLOR ));
+    }
+
+    if( rIcon )
+    {
+        // add to icon cache
+        pSalData->mpFirstIcon = new SalIcon{
+            nId, rIcon, rSmallIcon, pSalData->mpFirstIcon};
+    }
+
+    return (rSmallIcon != nullptr);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */