return NULL (and not invalid) iterator from compatibility_iterator::GetPrevious(...

[wxWidgets.git] / include / wx / apptrait.h

diff --git a/include/wx/apptrait.h b/include/wx/apptrait.h
index 164f042bd79f00ed92dbc2ee438bb8fc0ca3a0f2..ef7686fd46eb18a3e764b815c256f33c91fa87ad 100644 (file)
--- a/include/wx/apptrait.h
+++ b/include/wx/apptrait.h
@@ -5,7 +5,7 @@
 // Modified by:
 // Created:     19.06.2003
 // RCS-ID:      $Id$
-// Copyright:   (c) 2003 Vadim Zeitlin <vadim@wxwindows.org>
+// Copyright:   (c) 2003 Vadim Zeitlin <vadim@wxwidgets.org>
 // Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
@@ -24,6 +24,8 @@ class WXDLLIMPEXP_BASE wxMessageOutput;
 class WXDLLEXPORT wxRendererNative;
 class WXDLLIMPEXP_BASE wxString;
 
+class GSocketGUIFunctionsTable;
+
 // ----------------------------------------------------------------------------
 // toolkit information
 // ----------------------------------------------------------------------------
@@ -47,9 +49,14 @@ struct WXDLLIMPEXP_BASE wxToolkitInfo
 // wxAppTraits: this class defines various configurable aspects of wxApp
 // ----------------------------------------------------------------------------
 
+class WXDLLIMPEXP_BASE wxStandardPathsBase;
+
 class WXDLLIMPEXP_BASE wxAppTraitsBase
 {
 public:
+    // needed since this class declares virtual members
+    virtual ~wxAppTraitsBase() { }
+
     // hooks for creating the global objects, may be overridden by the user
     // ------------------------------------------------------------------------
 
@@ -73,6 +80,11 @@ public:
     // NB: returned pointer will be deleted by the caller
     virtual wxRendererNative *CreateRenderer() = 0;
 
+#if wxUSE_STDPATHS
+    // wxStandardPaths object is normally the same for wxBase and wxGUI
+    // except in the case of wxMac and wxCocoa
+    virtual wxStandardPathsBase& GetStandardPaths();
+#endif // wxUSE_STDPATHS
 
     // functions abstracting differences between GUI and console modes
     // ------------------------------------------------------------------------
@@ -105,6 +117,16 @@ public:
     // wxBase
     virtual void RemoveFromPendingDelete(wxObject *object) = 0;
 
+#if wxUSE_SOCKETS
+    // return table of GUI callbacks for GSocket code or NULL in wxBase. This
+    // is needed because networking classes are in their own library and so
+    // they can't directly call GUI functions (the same net library can be
+    // used in both GUI and base apps). To complicate it further, GUI library
+    // ("wxCore") doesn't depend on networking library and so only a functions
+    // table can be passed around
+    virtual GSocketGUIFunctionsTable* GetSocketGUIFunctionsTable() = 0;
+#endif
+
 
     // return information about what toolkit is running; we need for two things
     // that are both contained in wxBase:
@@ -120,14 +142,19 @@ public:
 // include the platform-specific version of the class
 // ----------------------------------------------------------------------------
 
-// NB: test for __UNIX__ before __WXMAC__ as under Darwin we want to use the
-//     Unix code (and otherwise __UNIX__ wouldn't be defined)
-#if defined(__WXMSW__)
+// NB:  test for __UNIX__ before __WXMAC__ as under Darwin we want to use the
+//      Unix code (and otherwise __UNIX__ wouldn't be defined)
+// ABX: check __WIN32__ instead of __WXMSW__ for the same MSWBase in any Win32 port
+#if defined(__WXPALMOS__)
+    #include "wx/palmos/apptbase.h"
+#elif defined(__WIN32__)
     #include "wx/msw/apptbase.h"
-#elif defined(__UNIX__)
+#elif defined(__UNIX__) && !defined(__EMX__)
     #include "wx/unix/apptbase.h"
 #elif defined(__WXMAC__)
     #include "wx/mac/apptbase.h"
+#elif defined(__OS2__)
+    #include "wx/os2/apptbase.h"
 #else // no platform-specific methods to add to wxAppTraits
     // wxAppTraits must be a class because it was forward declared as class
     class WXDLLIMPEXP_BASE wxAppTraits : public wxAppTraitsBase
@@ -154,6 +181,9 @@ public:
     virtual wxFontMapper *CreateFontMapper();
 #endif // wxUSE_FONTMAP
     virtual wxRendererNative *CreateRenderer();
+#if wxUSE_SOCKETS
+    virtual GSocketGUIFunctionsTable* GetSocketGUIFunctionsTable();
+#endif
 
 #ifdef __WXDEBUG__
     virtual bool ShowAssertDialog(const wxString& msg);
@@ -181,6 +211,9 @@ public:
     virtual wxFontMapper *CreateFontMapper();
 #endif // wxUSE_FONTMAP
     virtual wxRendererNative *CreateRenderer();
+#if wxUSE_SOCKETS
+    virtual GSocketGUIFunctionsTable* GetSocketGUIFunctionsTable();
+#endif
 
 #ifdef __WXDEBUG__
     virtual bool ShowAssertDialog(const wxString& msg);
@@ -197,17 +230,29 @@ public:
 // include the platform-specific version of the classes above
 // ----------------------------------------------------------------------------
 
-#if defined(__WXMSW__)
+// ABX: check __WIN32__ instead of __WXMSW__ for the same MSWBase in any Win32 port
+#if defined(__WXPALMOS__)
+    #include "wx/palmos/apptrait.h"
+#elif defined(__WIN32__)
     #include "wx/msw/apptrait.h"
-#elif defined(__UNIX__)
+#elif defined(__UNIX__) && !defined(__EMX__)
     #include "wx/unix/apptrait.h"
 #elif defined(__WXMAC__)
     #include "wx/mac/apptrait.h"
-#else // no platform-specific methods to add to wxAppTraits
+#elif defined(__WXPM__)
+    #include "wx/os2/apptrait.h"
+#else
+    // at least, we need an implementation of GetToolkitInfo !
     #if wxUSE_GUI
-        typedef wxGUIAppTraitsBase wxGUIAppTraits;
+        class wxGUIAppTraits : public wxGUIAppTraitsBase
+        {
+            virtual wxToolkitInfo& GetToolkitInfo();
+        };
     #endif // wxUSE_GUI
-    typedef wxConsoleAppTraitsBase wxConsoleAppTraits;
+    class wxConsoleAppTraits: public wxConsoleAppTraitsBase
+    {
+        virtual wxToolkitInfo& GetToolkitInfo();
+    };
 #endif // platform
 
 #endif // _WX_APPTRAIT_H_