include/wx/dynlib.h

   1 #ifndef _WX_DYNLIB_H__
   2 #define _WX_DYNLIB_H__
   3
   4 #ifdef __GNUG__
   5 #pragma interface
   6 #endif
   7
   8 #include <wx/string.h>
   9 #include <wx/list.h>
  10 #include <wx/dynarray.h>
  11 #include <wx/hash.h>
  12
  13 #ifdef LoadLibrary
  14 #undef LoadLibrary
  15 #endif
  16
  17 // ---------------------------------------------------------------------------
  18 // wxLibrary
  19
  20 class wxLibrary: public wxObject {
  21  protected:
  22   void *m_handle;
  23   bool m_destroy;
  24  public:
  25   wxHashTable classTable;
  26
  27  public:
  28   wxLibrary(void *handle);
  29   ~wxLibrary(void);
  30
  31   // Get a symbol from the dynamic library
  32   void *GetSymbol(const wxString& symbname);
  33
  34   // Create the object whose classname is "name"
  35   wxObject *CreateObject(const wxString& name);
  36
  37   // Merge the symbols with the main symbols: WARNING! the library will not
  38   // be unloaded.
  39   void MergeWithSystem();
  40
  41  protected:
  42   void PrepareClasses(wxClassInfo **first);
  43 };
  44
  45 // ---------------------------------------------------------------------------
  46 // wxLibraries
  47
  48 class wxLibraries {
  49  protected:
  50   wxList m_loaded;
  51  public:
  52   wxLibraries(void);
  53   ~wxLibraries(void);
  54
  55   wxLibrary *LoadLibrary(const wxString& name);
  56   wxObject *CreateObject(const wxString& name);
  57 };
  58
  59 // ---------------------------------------------------------------------------
  60 // Global variables
  61
  62 extern wxLibraries wxTheLibraries;
  63
  64 // ---------------------------------------------------------------------------
  65 // Interesting defines
  66
  67 #define WXDLL_ENTRY_FUNCTION() \
  68 extern "C" wxClassInfo **wxGetClassFirst(); \
  69 wxClassInfo **wxGetClassFirst() { \
  70   return &wxClassInfo::first; \
  71 }
  72
  73 #endif