vcl/os2/source/app/salshl.cxx

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  30
  31 #include <svpm.h>
  32
  33 #define _SV_SALSHL_CXX
  34 #include <saldata.hxx>
  35 #include <tools/debug.hxx>
  36
  37 // =======================================================================
  38
  39 SalShlData aSalShlData;
  40
  41 HMODULE ImplGetModule(void);
  42 static HMODULE mhMod = ImplGetModule();
  43
  44 // =======================================================================
  45
  46 APIRET APIENTRY DosQueryModFromEIP (HMODULE *phMod, ULONG *pObjNum,
  47           ULONG BuffLen, PCHAR pBuff, ULONG *pOffset, ULONG Address);
  48
  49 HMODULE ImplGetModule(void)
  50 {
  51     HMODULE     hMod;
  52     ULONG       ObjNum;
  53     CHAR        Buff[2*_MAX_PATH];
  54     ULONG       Offset;
  55     APIRET      rc;
  56
  57     // get module handle (and name)
  58     rc = DosQueryModFromEIP( &hMod, &ObjNum, sizeof( Buff), Buff, &Offset, (ULONG)ImplGetModule);
  59     if (rc)
  60         return NULL;
  61     // return module handle
  62     aSalShlData.mhMod = hMod;
  63     return hMod;
  64 }
  65
  66 // =======================================================================
  67
  68 HPOINTER ImplLoadSalCursor( int nId )
  69 {
  70     DBG_ASSERT( aSalShlData.mhMod, "no DLL instance handle" );
  71
  72     HPOINTER hPointer = WinLoadPointer( HWND_DESKTOP, aSalShlData.mhMod, nId );
  73
  74     DBG_ASSERT( hPointer, "pointer not found in sal resource" );
  75 #if OSL_DEBUG_LEVEL>0
  76     if (!hPointer)
  77         debug_printf( "ImplLoadSalCursor: pointer %d not found in sal resource\n", nId);
  78 #endif
  79     return hPointer;
  80 }
  81
  82 // -----------------------------------------------------------------------
  83
  84 BOOL ImplLoadSalIcon( int nId, HPOINTER& rIcon)
  85 {
  86     DBG_ASSERT( aSalShlData.mhMod, "no DLL instance handle" );
  87
  88     SalData* pSalData = GetSalData();
  89
  90     // check the cache first
  91     SalIcon *pSalIcon = pSalData->mpFirstIcon;
  92     while( pSalIcon )
  93     {
  94         if( pSalIcon->nId != nId )
  95             pSalIcon = pSalIcon->pNext;
  96         else
  97         {
  98             rIcon       = pSalIcon->hIcon;
  99             return (rIcon != 0);
 100         }
 101     }
 102
 103     // Try at first to load the icons from the application exe file
 104     rIcon = WinLoadPointer( HWND_DESKTOP, NULL, nId );
 105     if ( !rIcon )
 106     {
 107         // If the application don't provide these icons, then we try
 108         // to load the icon from the VCL resource
 109         rIcon = WinLoadPointer( HWND_DESKTOP, aSalShlData.mhMod, nId );
 110     }
 111
 112     if( rIcon )
 113     {
 114         // add to icon cache
 115         pSalIcon = new SalIcon();
 116         pSalIcon->nId = nId;
 117         pSalIcon->hIcon = rIcon;
 118         pSalIcon->pNext = pSalData->mpFirstIcon;
 119         pSalData->mpFirstIcon = pSalIcon;
 120     }
 121
 122     return (rIcon != 0);
 123 }
 124
 125 // =======================================================================
 126