vcl/win/app/salshl.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <svsys.h>
  21 #include <sal/log.hxx>
  22 #include <win/saldata.hxx>
  23
  24 SalShlData aSalShlData;
  25
  26 extern "C" BOOL WINAPI DllMain(HINSTANCE hInst, DWORD nReason, LPVOID)
  27 {
  28     if ( nReason == DLL_PROCESS_ATTACH )
  29         aSalShlData.mhInst = hInst;
  30     return 1;
  31 }
  32
  33 HCURSOR ImplLoadSalCursor( int nId )
  34 {
  35     SAL_WARN_IF( !aSalShlData.mhInst, "vcl", "no DLL instance handle" );
  36
  37     HCURSOR hCursor = LoadCursorW( aSalShlData.mhInst, MAKEINTRESOURCEW( nId ) );
  38
  39     SAL_WARN_IF( !hCursor, "vcl", "cursor not found in sal resource" );
  40
  41     return hCursor;
  42 }
  43
  44 HBITMAP ImplLoadSalBitmap( int nId )
  45 {
  46     SAL_WARN_IF( !aSalShlData.mhInst, "vcl", "no DLL instance handle" );
  47
  48     HBITMAP hBitmap = LoadBitmapW( aSalShlData.mhInst, MAKEINTRESOURCEW( nId ) );
  49
  50     SAL_WARN_IF( !hBitmap, "vcl", "bitmap not found in sal resource" );
  51
  52     return hBitmap;
  53 }
  54
  55 bool ImplLoadSalIcon( int nId, HICON& rIcon, HICON& rSmallIcon )
  56 {
  57     SAL_WARN_IF( !aSalShlData.mhInst, "vcl", "no DLL instance handle" );
  58
  59     SalData* pSalData = GetSalData();
  60
  61     // check the cache first
  62     SalIcon *pSalIcon = pSalData->mpFirstIcon;
  63     while( pSalIcon )
  64     {
  65         if( pSalIcon->nId != nId )
  66             pSalIcon = pSalIcon->pNext;
  67         else
  68         {
  69             rIcon       = pSalIcon->hIcon;
  70             rSmallIcon  = pSalIcon->hSmallIcon;
  71             return (rSmallIcon != nullptr);
  72         }
  73     }
  74
  75     // Try at first to load the icons from the application exe file
  76     rIcon = static_cast<HICON>(LoadImageW( pSalData->mhInst, MAKEINTRESOURCEW( nId ),
  77                                            IMAGE_ICON, GetSystemMetrics( SM_CXICON ), GetSystemMetrics( SM_CYICON ),
  78                                            LR_DEFAULTCOLOR ));
  79     if ( !rIcon )
  80     {
  81         // If the application don't provide these icons, then we try
  82         // to load the icon from the VCL resource
  83         rIcon = static_cast<HICON>(LoadImageW( aSalShlData.mhInst, MAKEINTRESOURCEW( nId ),
  84                                            IMAGE_ICON, GetSystemMetrics( SM_CXICON ), GetSystemMetrics( SM_CYICON ),
  85                                            LR_DEFAULTCOLOR ));
  86         if ( rIcon )
  87         {
  88             rSmallIcon = static_cast<HICON>(LoadImageW( aSalShlData.mhInst, MAKEINTRESOURCEW( nId ),
  89                                            IMAGE_ICON, GetSystemMetrics( SM_CXSMICON ), GetSystemMetrics( SM_CYSMICON ),
  90                                            LR_DEFAULTCOLOR ));
  91         }
  92         else
  93             rSmallIcon = nullptr;
  94     }
  95     else
  96     {
  97         rSmallIcon = static_cast<HICON>(LoadImageW( pSalData->mhInst, MAKEINTRESOURCEW( nId ),
  98                                        IMAGE_ICON, GetSystemMetrics( SM_CXSMICON ), GetSystemMetrics( SM_CYSMICON ),
  99                                        LR_DEFAULTCOLOR ));
 100     }
 101
 102     if( rIcon )
 103     {
 104         // add to icon cache
 105         pSalData->mpFirstIcon = new SalIcon{
 106             nId, rIcon, rSmallIcon, pSalData->mpFirstIcon};
 107     }
 108
 109     return (rSmallIcon != nullptr);
 110 }
 111
 112 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */