wxpython_int.h

Wxpython Implemented on Windows CE, Source code

    ~wxPyCallbackHelper() {
#ifdef wxPyUSE_EXPORTED_API
        wxPyGetCoreAPIPtr()->p_wxPyCBH_delete(this);
#else
        wxPyCBH_delete(this);
#endif
    }

    void        setSelf(PyObject* self, PyObject* klass, int incref=true);
    bool        findCallback(const char* name, bool setGuard=true) const;
    int         callCallback(PyObject* argTuple) const;
    PyObject*   callCallbackObj(PyObject* argTuple) const;
    PyObject*   GetLastFound() const { return m_lastFound; }

    void        setRecursionGuard(PyObject* method) const;
    void        clearRecursionGuard(PyObject* method) const;
    
private:
    PyObject*   m_self;
    PyObject*   m_class;
    PyObject*   m_lastFound;
    int         m_incRef;

    friend      void wxPyCBH_delete(wxPyCallbackHelper* cbh);
};


void wxPyCBH_setCallbackInfo(wxPyCallbackHelper& cbh, PyObject* self, PyObject* klass, int incref);
bool wxPyCBH_findCallback(const wxPyCallbackHelper& cbh, const char* name, bool setGuard=true);
int  wxPyCBH_callCallback(const wxPyCallbackHelper& cbh, PyObject* argTuple);
PyObject* wxPyCBH_callCallbackObj(const wxPyCallbackHelper& cbh, PyObject* argTuple);
void wxPyCBH_delete(wxPyCallbackHelper* cbh);




//---------------------------------------------------------------------------

// This is used in C++ classes that need to be able to make callback to
// "overloaded" python methods

#define PYPRIVATE                                                               \
    void _setCallbackInfo(PyObject* self, PyObject* _class, int incref=1) {     \
        wxPyCBH_setCallbackInfo(m_myInst, self, _class, incref);                \
    }                                                                           \
    private: wxPyCallbackHelper m_myInst


//---------------------------------------------------------------------------
// The wxPythonApp class

enum {
    wxPYAPP_ASSERT_SUPPRESS  = 1,
    wxPYAPP_ASSERT_EXCEPTION = 2,
    wxPYAPP_ASSERT_DIALOG    = 4,
    wxPYAPP_ASSERT_LOG       = 8
};

class wxPyApp: public wxApp
{
    DECLARE_ABSTRACT_CLASS(wxPyApp)

public:
    wxPyApp();
    ~wxPyApp();
    bool OnInit();
    int  MainLoop();

    int  GetAssertMode() { return m_assertMode; }
    void SetAssertMode(int mode) { m_assertMode = mode; }

    virtual bool OnInitGui();
    virtual int OnExit();
#ifdef __WXDEBUG__
    virtual void OnAssertFailure(const wxChar *file,
                                 int line,
                                 const wxChar *func,
                                 const wxChar *cond,
                                 const wxChar *msg);
#endif
    virtual void ExitMainLoop();
    // virtual int FilterEvent(wxEvent& event); // This one too????

    // For catching Apple Events
    virtual void MacOpenFile(const wxString &fileName);
    virtual void MacPrintFile(const wxString &fileName);
    virtual void MacNewFile();
    virtual void MacReopenApp();

    static bool GetMacSupportPCMenuShortcuts();
    static long GetMacAboutMenuItemId();
    static long GetMacPreferencesMenuItemId();
    static long GetMacExitMenuItemId();
    static wxString GetMacHelpMenuTitleName();

    static void SetMacSupportPCMenuShortcuts(bool val);
    static void SetMacAboutMenuItemId(long val);
    static void SetMacPreferencesMenuItemId(long val);
    static void SetMacExitMenuItemId(long val);
    static void SetMacHelpMenuTitleName(const wxString& val);


    void _BootstrapApp();

    // implementation only
    void SetStartupComplete(bool val) { m_startupComplete = val; };

    PYPRIVATE;
    int m_assertMode;
    bool m_startupComplete;
};

extern wxPyApp *wxPythonApp;


//----------------------------------------------------------------------
// These macros are used to implement the virtual methods that should
// redirect to a Python method if one exists.  The names designate the
// return type, if any, as well as any parameter types.
//---------------------------------------------------------------------------

#define DEC_PYCALLBACK__(CBNAME)                        \
    void CBNAME()


#define IMP_PYCALLBACK__(CLASS, PCLASS, CBNAME)                         \
    void CLASS::CBNAME() {                                              \
        bool found;                                                     \
        wxPyBlock_t blocked = wxPyBeginBlockThreads();                         \
        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME)))          \
            wxPyCBH_callCallback(m_myInst, Py_BuildValue("()"));        \
        wxPyEndBlockThreads(blocked);                                   \
        if (! found)                                                    \
            PCLASS::CBNAME();                                           \
    }                                                                   

#define DEC_PYCALLBACK_VOID_(CBNAME)                                    \
            DEC_PYCALLBACK__(CBNAME)

#define IMP_PYCALLBACK_VOID_(CLASS, PCLASS, CBNAME)                     \
             IMP_PYCALLBACK__(CLASS, PCLASS, CBNAME)

//---------------------------------------------------------------------------

#define DEC_PYCALLBACK_BOOL_INTINT(CBNAME)                      \
    bool CBNAME(int a, int b)


#define IMP_PYCALLBACK_BOOL_INTINT(CLASS, PCLASS, CBNAME)               \
    bool CLASS::CBNAME(int a, int b) {                                  \
        bool rval=false, found;                                         \
        wxPyBlock_t blocked = wxPyBeginBlockThreads();                         \
        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME)))          \
            rval = wxPyCBH_callCallback(m_myInst, Py_BuildValue("(ii)",a,b));    \
        wxPyEndBlockThreads(blocked);                                   \
        if (! found)                                                    \
            rval = PCLASS::CBNAME(a,b);                                 \
        return rval;                                                    \
    }

//---------------------------------------------------------------------------

#define DEC_PYCALLBACK_VOID_INTINT(CBNAME)                      \
    void CBNAME(int a, int b)


#define IMP_PYCALLBACK_VOID_INTINT(CLASS, PCLASS, CBNAME)               \
    void CLASS::CBNAME(int a, int b) {                                  \
        bool found;                                                     \
        wxPyBlock_t blocked = wxPyBeginBlockThreads();                         \
        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME)))          \
            wxPyCBH_callCallback(m_myInst, Py_BuildValue("(ii)",a,b));  \
        wxPyEndBlockThreads(blocked);                                   \
        if (! found)                                                    \
            PCLASS::CBNAME(a,b);                                        \
    }                        

//---------------------------------------------------------------------------

#define DEC_PYCALLBACK_VOID_INT(CBNAME)                         \
    void CBNAME(int a)


#define IMP_PYCALLBACK_VOID_INT(CLASS, PCLASS, CBNAME)                  \
    void CLASS::CBNAME(int a) {                                         \
        bool found;                                                     \
        wxPyBlock_t blocked = wxPyBeginBlockThreads();                         \
        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME)))          \
            wxPyCBH_callCallback(m_myInst, Py_BuildValue("(i)",a));     \
        wxPyEndBlockThreads(blocked);                                   \
        if (! found)                                                    \
            PCLASS::CBNAME(a);                                          \
    }                 

//---------------------------------------------------------------------------

#define DEC_PYCALLBACK_VOID_INT4(CBNAME)                                \
    void CBNAME(int a, int b, int c, int d)


#define IMP_PYCALLBACK_VOID_INT4(CLASS, PCLASS, CBNAME)                 \
    void CLASS::CBNAME(int a, int b, int c, int d) {                    \
        bool found;                                                     \
        wxPyBlock_t blocked = wxPyBeginBlockThreads();                         \
        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME)))          \
            wxPyCBH_callCallback(m_myInst, Py_BuildValue("(iiii)",a,b,c,d));  \
        wxPyEndBlockThreads(blocked);                                   \
        if (! found)                                                    \
            PCLASS::CBNAME(a,b,c,d);                                    \
    }  

//---------------------------------------------------------------------------
#define DEC_PYCALLBACK_VOID_INT5(CBNAME)                                \
    void CBNAME(int a, int b, int c, int d, int e)


#define IMP_PYCALLBACK_VOID_INT5(CLASS, PCLASS, CBNAME)                 \
    void CLASS::CBNAME(int a, int b, int c, int d, int e) {             \
        bool found;                                                     \
        wxPyBlock_t blocked = wxPyBeginBlockThreads();                         \
        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME)))          \
            wxPyCBH_callCallback(m_myInst, Py_BuildValue("(iiiii)",a,b,c,d,e));  \
        wxPyEndBlockThreads(blocked);                                   \
        if (! found)                                                    \
            PCLASS::CBNAME(a,b,c,d,e);                                  \
    }                                             

//---------------------------------------------------------------------------

#define DEC_PYCALLBACK_VOID_INTPINTP_const(CBNAME)                              \
    void CBNAME(int* a, int* b) const


#define IMP_PYCALLBACK_VOID_INTPINTP_const(CLASS, PCLASS, CBNAME)               \
    void CLASS::CBNAME(int* a, int* b) const {                                  \
        const char* errmsg = #CBNAME " should return a 2-tuple of integers.";   \
        bool found;                                                             \
        wxPyBlock_t blocked = wxPyBeginBlockThreads();                                 \
        if ((found = wxPyCBH_findCallback(m_myInst, #CBNAME))) {                \
            PyObject* ro;                                                       \
            ro = wxPyCBH_callCallbackObj(m_myInst, Py_BuildValue("()"));        \
            if (ro) {                                                           \
                if (PySequence_Check(ro) && PyObject_Length(ro) == 2) {         \
                    PyObject* o1 = PySequence_GetItem(ro, 0);                   \
                    PyObject* o2 = PySequence_GetItem(ro, 1);                   \
                    if (PyNumber_Check(o1) && PyNumber_Check(o2)) {             \
                        *a = PyInt_AsLong(o1); *b = PyInt_AsLong(o2);           \
                    }                                                           \
                    else                                                        \
                        PyErr_SetString(PyExc_TypeError, errmsg);               \
                    Py_DECREF(o1);                                              \
                    Py_DECREF(o2);                                              \
                }                                                               \
                else {                                                          \
                    PyErr_SetString(PyExc_TypeError, errmsg);                   \
                }                                                               \
                Py_DECREF(ro);                                                  \
            }                                                                   \
        }                                                                       \
        wxPyEndBlockThreads(blocked);                                                  \
        if (! found)                                                            \
            PCLASS::CBNAME(a,b);                                                \
    }                                

//---------------------------------------------------------------------------

#define DEC_PYCALLBACK_SIZE_const(CBNAME)                                       \
    wxSize CBNAME() const


#define IMP_PYCALLBACK_SIZE_const(CLASS, PCLASS, CBNAME)                        \