Various little tweaks

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

diff --git a/include/wx/app.h b/include/wx/app.h
index 96f284a7e2c2137c05759f2bb305547cc4bfceee..fc770fe7f55f31be13c90342cb8c5fe8da0a8218 100644 (file)
--- a/include/wx/app.h
+++ b/include/wx/app.h
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        app.h
+// Name:        wx/app.h
 // Purpose:     wxAppBase class and macros used for declaration of wxApp
 //              derived class in the user code
 // Author:      Julian Smart
@@ -47,6 +47,12 @@ class WXDLLEXPORT wxCmdLineParser;
     #include "wx/log.h"
 #endif
 
+#if WXWIN_COMPATIBILITY_2_2
+    #include "wx/icon.h"
+#endif
+
+#include "wx/build.h"
+
 // ----------------------------------------------------------------------------
 // constants
 // ----------------------------------------------------------------------------
@@ -86,6 +92,8 @@ private:
 
 class WXDLLEXPORT wxAppBase : public wxEvtHandler
 {
+    DECLARE_NO_COPY_CLASS(wxAppBase)
+        
 public:
     wxAppBase();
     virtual ~wxAppBase();
@@ -275,10 +283,13 @@ public:
 #endif // wxUSE_LOG
 
 #if wxUSE_GUI
+
+  #if WXWIN_COMPATIBILITY_2_2
         // get the standard icon used by wxWin dialogs - this allows the user
         // to customize the standard dialogs. The 'which' parameter is one of
         // wxICON_XXX values
-    virtual wxIcon GetStdIcon(int which) const = 0;
+    virtual wxIcon GetStdIcon(int WXUNUSED(which)) const { return wxNullIcon; }
+  #endif
 
         // Get display mode that is used use. This is only used in framebuffer wxWin ports
         // (such as wxMGL).
@@ -304,16 +315,36 @@ public:
     virtual void SetActive(bool isActive, wxWindow *lastFocus);
 #endif // wxUSE_GUI
 
+    // this method allows to filter all the events processed by the program, so
+    // you should try to return quickly from it to avoid slowing down the
+    // program to the crawl
+    //
+    // return value should be -1 to continue with the normal event processing,
+    // or TRUE or FALSE to stop further processing and pretend that the event
+    // had been already processed or won't be processed at all, respectively
+    virtual int FilterEvent(wxEvent& event);
+
     // debugging support
     // -----------------
 
     // this function is called when an assert failure occurs, the base class
     // version does the normal processing (i.e. shows the usual assert failure
     // dialog box)
+    //
+    // the arguments are the place where the assert occured, the text of the
+    // assert itself and the user-specified message
 #ifdef __WXDEBUG__
-    virtual void OnAssert(const wxChar *file, int line, const wxChar *msg);
+    virtual void OnAssert(const wxChar *file,
+                          int line,
+                          const wxChar *cond,
+                          const wxChar *msg);
 #endif // __WXDEBUG__
 
+    // check that the wxBuildOptions object (constructed in the application
+    // itself, usually the one from IMPLEMENT_APP() macro) matches the build
+    // options of the library and abort if it doesn't
+    static bool CheckBuildOptions(const wxBuildOptions& buildOptions);
+
     // deprecated functions, please updae your code to not use them!
     // -------------------------------------------------------------
 
@@ -535,7 +566,11 @@ public:
 // Use this macro if you want to define your own main() or WinMain() function
 // and call wxEntry() from there.
 #define IMPLEMENT_APP_NO_MAIN(appname)                   \
-    wxApp *wxCreateApp() { return new appname; }         \
+    wxApp *wxCreateApp()                                 \
+    {                                                    \
+        wxApp::CheckBuildOptions(wxBuildOptions());      \
+        return new appname;                              \
+    }                                                    \
     wxAppInitializer wxTheAppInitializer((wxAppInitializerFunction) wxCreateApp); \
     appname& wxGetApp() { return *(appname *)wxTheApp; }