vcl/win/source/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 <tools/debug.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     DBG_ASSERT( aSalShlData.mhInst, "no DLL instance handle" );
  36
  37     HCURSOR hCursor = LoadCursor( aSalShlData.mhInst, MAKEINTRESOURCE( nId ) );
  38
  39     DBG_ASSERT( hCursor, "cursor not found in sal resource" );
  40
  41     return hCursor;
  42 }
  43
  44 HBITMAP ImplLoadSalBitmap( int nId )
  45 {
  46     DBG_ASSERT( aSalShlData.mhInst, "no DLL instance handle" );
  47
  48     HBITMAP hBitmap = LoadBitmap( aSalShlData.mhInst, MAKEINTRESOURCE( nId ) );
  49
  50     DBG_ASSERT( hBitmap, "bitmap not found in sal resource" );
  51
  52     return hBitmap;
  53 }
  54
  55 bool ImplLoadSalIcon( int nId, HICON& rIcon, HICON& rSmallIcon )
  56 {
  57     DBG_ASSERT( aSalShlData.mhInst, "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 != 0);
  72         }
  73     }
  74
  75     // Try at first to load the icons from the application exe file
  76     rIcon = (HICON)LoadImage( pSalData->mhInst, MAKEINTRESOURCE( 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 = (HICON)LoadImage( aSalShlData.mhInst, MAKEINTRESOURCE( nId ),
  84                                            IMAGE_ICON, GetSystemMetrics( SM_CXICON ), GetSystemMetrics( SM_CYICON ),
  85                                            LR_DEFAULTCOLOR );
  86         if ( rIcon )
  87         {
  88             rSmallIcon = (HICON)LoadImage( aSalShlData.mhInst, MAKEINTRESOURCE( nId ),
  89                                            IMAGE_ICON, GetSystemMetrics( SM_CXSMICON ), GetSystemMetrics( SM_CYSMICON ),
  90                                            LR_DEFAULTCOLOR );
  91         }
  92         else
  93             rSmallIcon = 0;
  94     }
  95     else
  96     {
  97         rSmallIcon = (HICON)LoadImage( pSalData->mhInst, MAKEINTRESOURCE( 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         pSalIcon = new SalIcon();
 106         pSalIcon->nId = nId;
 107         pSalIcon->hIcon = rIcon;
 108         pSalIcon->hSmallIcon = rSmallIcon;
 109         pSalIcon->pNext = pSalData->mpFirstIcon;
 110         pSalData->mpFirstIcon = pSalIcon;
 111     }
 112
 113     return (rSmallIcon != 0);
 114 }
 115
 116 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */