Override OnSize in the scrollsub sample to disable

[wxWidgets.git] / wxPython / src / helpers.cpp

diff --git a/wxPython/src/helpers.cpp b/wxPython/src/helpers.cpp
index 694c5f478010dd2689e994ecf95855b638bd1f5a..c2857c87a05d3156682b6cf03176731bdff1ce2f 100644 (file)
--- a/wxPython/src/helpers.cpp
+++ b/wxPython/src/helpers.cpp
@@ -78,6 +78,8 @@ wxPyThreadStateArray* wxPyTStates = NULL;
 wxMutex*              wxPyTMutex = NULL;
 #endif
 
 wxMutex*              wxPyTMutex = NULL;
 #endif
 

+#define DEFAULTENCODING_SIZE 64
+static char wxPyDefaultEncoding[DEFAULTENCODING_SIZE] = "ascii";

 
 static PyObject* wxPython_dict = NULL;
 static PyObject* wxPyAssertionError = NULL;
 
 static PyObject* wxPython_dict = NULL;
 static PyObject* wxPyAssertionError = NULL;


@@ -385,10 +387,10 @@ void wxPyApp::_BootstrapApp()
     PyObject*   retval = NULL;
     PyObject*   pyint  = NULL;
 
     PyObject*   retval = NULL;
     PyObject*   pyint  = NULL;
 

-    
+

     // Only initialize wxWidgets once
     if (! haveInitialized) {
     // Only initialize wxWidgets once
     if (! haveInitialized) {

-        
+

         // Get any command-line args passed to this program from the sys module
         int    argc = 0;
         char** argv = NULL;
         // Get any command-line args passed to this program from the sys module
         int    argc = 0;
         char** argv = NULL;


@@ -427,7 +429,7 @@ void wxPyApp::_BootstrapApp()
 #if defined(__WXGTK__) && PY_VERSION_HEX < 0x02040000
         setlocale(LC_NUMERIC, "C");
 #endif
 #if defined(__WXGTK__) && PY_VERSION_HEX < 0x02040000
         setlocale(LC_NUMERIC, "C");
 #endif

-    
+

         // The stock objects were all NULL when they were loaded into
         // SWIG generated proxies, so re-init those now...
         wxPy_ReinitStockObjects(3);
         // The stock objects were all NULL when they were loaded into
         // SWIG generated proxies, so re-init those now...
         wxPy_ReinitStockObjects(3);


@@ -435,7 +437,7 @@ void wxPyApp::_BootstrapApp()
         wxPyEndBlockThreads(blocked);
         haveInitialized = true;
     }
         wxPyEndBlockThreads(blocked);
         haveInitialized = true;
     }

-    
+

     // It's now ok to generate exceptions for assertion errors.
     wxPythonApp->SetStartupComplete(true);
 
     // It's now ok to generate exceptions for assertion errors.
     wxPythonApp->SetStartupComplete(true);
 


@@ -532,7 +534,7 @@ void __wxPyPreStart(PyObject* moduleDict)
 #ifdef __WXMSW__
 //     wxCrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF
 //                     | _CRTDBG_CHECK_ALWAYS_DF
 #ifdef __WXMSW__
 //     wxCrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF
 //                     | _CRTDBG_CHECK_ALWAYS_DF

-//                     | _CRTDBG_DELAY_FREE_MEM_DF                             
+//                     | _CRTDBG_DELAY_FREE_MEM_DF

 //         );
 #endif
 
 //         );
 #endif
 


@@ -600,7 +602,7 @@ PyObject* __wxPySetDictionary(PyObject* /* self */, PyObject* args)
     wxPyNoAppError = PyErr_NewException("wx._core.PyNoAppError",
                                         PyExc_RuntimeError, NULL);
     PyDict_SetItemString(wxPython_dict, "PyNoAppError", wxPyNoAppError);
     wxPyNoAppError = PyErr_NewException("wx._core.PyNoAppError",
                                         PyExc_RuntimeError, NULL);
     PyDict_SetItemString(wxPython_dict, "PyNoAppError", wxPyNoAppError);

-    
+

 
 
 #ifdef __WXMOTIF__
 
 
 #ifdef __WXMOTIF__


@@ -663,13 +665,13 @@ PyObject* __wxPySetDictionary(PyObject* /* self */, PyObject* args)
 #else
     _AddInfoString("wx-assertions-off");
 #endif
 #else
     _AddInfoString("wx-assertions-off");
 #endif

-    
+

 #undef _AddInfoString
 
     PyObject* PlatInfoTuple = PyList_AsTuple(PlatInfo);
     Py_DECREF(PlatInfo);
     PyDict_SetItemString(wxPython_dict, "PlatformInfo", PlatInfoTuple);
 #undef _AddInfoString
 
     PyObject* PlatInfoTuple = PyList_AsTuple(PlatInfo);
     Py_DECREF(PlatInfo);
     PyDict_SetItemString(wxPython_dict, "PlatformInfo", PlatInfoTuple);

-    
+

     RETURN_NONE();
 }
 
     RETURN_NONE();
 }
 


@@ -783,7 +785,7 @@ void wxPy_ReinitStockObjects(int pass)
     if (pass == 1) { } \
     else if (pass == 2) { rsoPass2(#name); } \
     else if (pass == 3) { rsoPass3(#name, #classname, (void*)&name); }
     if (pass == 1) { } \
     else if (pass == 2) { rsoPass2(#name); } \
     else if (pass == 3) { rsoPass3(#name, #classname, (void*)&name); }

-       
+

 
     REINITOBJ(wxNORMAL_FONT, wxFont);
     REINITOBJ(wxSMALL_FONT, wxFont);
 
     REINITOBJ(wxNORMAL_FONT, wxFont);
     REINITOBJ(wxSMALL_FONT, wxFont);


@@ -864,10 +866,8 @@ bool wxPyCheckForApp() {
 
 //---------------------------------------------------------------------------
 
 
 //---------------------------------------------------------------------------
 

-
-void wxPyClientData_dtor(wxPyClientData* self) {
-    if (! wxPyDoingCleanup) {           // Don't do it during cleanup as Python
-                                        // may have already garbage collected the object...
+void wxPyUserData_dtor(wxPyUserData* self) {
+    if (! wxPyDoingCleanup) {

         bool blocked = wxPyBeginBlockThreads();
         Py_DECREF(self->m_obj);
         self->m_obj = NULL;
         bool blocked = wxPyBeginBlockThreads();
         Py_DECREF(self->m_obj);
         self->m_obj = NULL;


@@ -875,16 +875,21 @@ void wxPyClientData_dtor(wxPyClientData* self) {
     }
 }
 
     }
 }
 

-void wxPyUserData_dtor(wxPyUserData* self) {
-    if (! wxPyDoingCleanup) {
-        bool blocked = wxPyBeginBlockThreads();
-        Py_DECREF(self->m_obj);
+
+void wxPyClientData_dtor(wxPyClientData* self) {
+    if (! wxPyDoingCleanup) {           // Don't do it during cleanup as Python
+                                        // may have already garbage collected the object...
+        if (self->m_incRef) {
+            bool blocked = wxPyBeginBlockThreads();
+            Py_DECREF(self->m_obj);
+            wxPyEndBlockThreads(blocked);
+        }

         self->m_obj = NULL;
         self->m_obj = NULL;

-        wxPyEndBlockThreads(blocked);

     }
 }
 
 
     }
 }
 
 

+

 // This is called when an OOR controled object is being destroyed.  Although
 // the C++ object is going away there is no way to force the Python object
 // (and all references to it) to die too.  This causes problems (crashes) in
 // This is called when an OOR controled object is being destroyed.  Although
 // the C++ object is going away there is no way to force the Python object
 // (and all references to it) to die too.  This causes problems (crashes) in


@@ -907,8 +912,9 @@ void wxPyOORClientData_dtor(wxPyOORClientData* self) {
     }
 
 
     }
 
 

-    // Only if there is more than one reference to the object
-    if ( !wxPyDoingCleanup && self->m_obj->ob_refcnt > 1 ) {
+    // Only if there is more than one reference to the object and we are
+    // holding the OOR reference:
+    if ( !wxPyDoingCleanup && self->m_obj->ob_refcnt > 1 && self->m_incRef) {

         // bool isInstance = wxPyInstance_Check(self->m_obj);
         // TODO same here
         //wxASSERT_MSG(isInstance, wxT("m_obj not an instance!?!?!"));
         // bool isInstance = wxPyInstance_Check(self->m_obj);
         // TODO same here
         //wxASSERT_MSG(isInstance, wxT("m_obj not an instance!?!?!"));


@@ -1093,7 +1099,7 @@ void wxPySaveThreadState(PyThreadState* tstate) {
             // (i.e. ActiveX controls) will (incorrectly IMHO) use a transient
             // tstate which will then be garbage the next time we try to use
             // it...
             // (i.e. ActiveX controls) will (incorrectly IMHO) use a transient
             // tstate which will then be garbage the next time we try to use
             // it...

-            
+

             wxPyTMutex->Unlock();
             return;
         }
             wxPyTMutex->Unlock();
             return;
         }


@@ -1134,7 +1140,7 @@ void wxPyEndAllowThreads(PyThreadState* saved) {
 bool wxPyBeginBlockThreads() {
 #ifdef WXP_WITH_THREAD
     // This works in for 2.3, maybe a good alternative to find the needed tstate?
 bool wxPyBeginBlockThreads() {
 #ifdef WXP_WITH_THREAD
     // This works in for 2.3, maybe a good alternative to find the needed tstate?

-    // PyThreadState *check = PyGILState_GetThisThreadState();  
+    // PyThreadState *check = PyGILState_GetThisThreadState();

 
     PyThreadState *current = _PyThreadState_Current;
 
 
     PyThreadState *current = _PyThreadState_Current;
 


@@ -1281,7 +1287,7 @@ PyObject* wxPyInputStream::readlines(int sizehint) {
     bool blocked = wxPyBeginBlockThreads();
     pylist = PyList_New(0);
     wxPyEndBlockThreads(blocked);
     bool blocked = wxPyBeginBlockThreads();
     pylist = PyList_New(0);
     wxPyEndBlockThreads(blocked);

-    
+

     if (!pylist) {
         bool blocked = wxPyBeginBlockThreads();
         PyErr_NoMemory();
     if (!pylist) {
         bool blocked = wxPyBeginBlockThreads();
         PyErr_NoMemory();


@@ -1337,6 +1343,17 @@ wxPyCBInputStream::wxPyCBInputStream(PyObject *r, PyObject *s, PyObject *t, bool
     : wxInputStream(), m_read(r), m_seek(s), m_tell(t), m_block(block)
 {}
 
     : wxInputStream(), m_read(r), m_seek(s), m_tell(t), m_block(block)
 {}
 

+wxPyCBInputStream::wxPyCBInputStream(const wxPyCBInputStream& other)
+{
+    m_read  = other.m_read;
+    m_seek  = other.m_seek;
+    m_tell  = other.m_tell;
+    m_block = other.m_block;
+    Py_INCREF(m_read);
+    Py_INCREF(m_seek);
+    Py_INCREF(m_tell);
+}
+

 
 wxPyCBInputStream::~wxPyCBInputStream() {
     bool blocked=false;
 
 wxPyCBInputStream::~wxPyCBInputStream() {
     bool blocked=false;


@@ -1374,6 +1391,10 @@ wxPyCBInputStream* wxPyCBInputStream_create(PyObject *py, bool block) {
     return wxPyCBInputStream::create(py, block);
 }
 
     return wxPyCBInputStream::create(py, block);
 }
 

+wxPyCBInputStream* wxPyCBInputStream_copy(wxPyCBInputStream* other) {
+    return new wxPyCBInputStream(*other);
+}
+

 PyObject* wxPyCBInputStream::getMethod(PyObject* py, char* name) {
     if (!PyObject_HasAttrString(py, name))
         return NULL;
 PyObject* wxPyCBInputStream::getMethod(PyObject* py, char* name) {
     if (!PyObject_HasAttrString(py, name))
         return NULL;


@@ -1443,7 +1464,7 @@ wxFileOffset wxPyCBInputStream::OnSysSeek(wxFileOffset off, wxSeekMode mode) {
 
     PyTuple_SET_ITEM(arglist, 1, PyInt_FromLong(mode));
 
 
     PyTuple_SET_ITEM(arglist, 1, PyInt_FromLong(mode));
 

-    
+

     PyObject* result = PyEval_CallObject(m_seek, arglist);
     Py_DECREF(arglist);
     Py_XDECREF(result);
     PyObject* result = PyEval_CallObject(m_seek, arglist);
     Py_DECREF(arglist);
     Py_XDECREF(result);


@@ -1529,7 +1550,7 @@ void wxPyCallback::EventThunker(wxEvent& event) {
             s_preName  = PyString_FromString(wxPy_PRECALLINIT);
             s_postName = PyString_FromString(wxPy_POSTCALLCLEANUP);
         }
             s_preName  = PyString_FromString(wxPy_PRECALLINIT);
             s_postName = PyString_FromString(wxPy_POSTCALLCLEANUP);
         }

-        
+

         // Check if the event object needs some preinitialization
         if (PyObject_HasAttr(arg, s_preName)) {
             result = PyObject_CallMethodObjArgs(arg, s_preName, arg, NULL);
         // Check if the event object needs some preinitialization
         if (PyObject_HasAttr(arg, s_preName)) {
             result = PyObject_CallMethodObjArgs(arg, s_preName, arg, NULL);


@@ -1538,9 +1559,9 @@ void wxPyCallback::EventThunker(wxEvent& event) {
                 PyErr_Clear();       // Just in case...
             } else {
                 PyErr_Print();
                 PyErr_Clear();       // Just in case...
             } else {
                 PyErr_Print();

-            }            
+            }

         }
         }

-        
+

         // Call the event handler, passing the event object
         tuple = PyTuple_New(1);
         PyTuple_SET_ITEM(tuple, 0, arg);  // steals ref to arg
         // Call the event handler, passing the event object
         tuple = PyTuple_New(1);
         PyTuple_SET_ITEM(tuple, 0, arg);  // steals ref to arg


@@ -1560,7 +1581,7 @@ void wxPyCallback::EventThunker(wxEvent& event) {
                 PyErr_Clear();       // Just in case...
             } else {
                 PyErr_Print();
                 PyErr_Clear();       // Just in case...
             } else {
                 PyErr_Print();

-            }            
+            }

         }
 
         if ( checkSkip ) {
         }
 
         if ( checkSkip ) {


@@ -1880,7 +1901,7 @@ long wxPyGetWinHandle(wxWindow* win) {
 #if defined(__WXGTK__) || defined(__WXX11)
     return (long)GetXWindow(win);
 #endif
 #if defined(__WXGTK__) || defined(__WXX11)
     return (long)GetXWindow(win);
 #endif

-    
+

 #ifdef __WXMAC__
     //return (long)MAC_WXHWND(win->MacGetTopLevelWindowRef());
     return (long)win->GetHandle();
 #ifdef __WXMAC__
     //return (long)MAC_WXHWND(win->MacGetTopLevelWindowRef());
     return (long)win->GetHandle();


@@ -1903,7 +1924,7 @@ wxString* wxString_in_helper(PyObject* source) {
 #if wxUSE_UNICODE
     PyObject* uni = source;
     if (PyString_Check(source)) {
 #if wxUSE_UNICODE
     PyObject* uni = source;
     if (PyString_Check(source)) {

-        uni = PyUnicode_FromObject(source);
+        uni = PyUnicode_FromEncodedObject(source, wxPyDefaultEncoding, "strict");

         if (PyErr_Occurred()) return NULL;
     }
     target = new wxString();
         if (PyErr_Occurred()) return NULL;
     }
     target = new wxString();


@@ -1918,18 +1939,22 @@ wxString* wxString_in_helper(PyObject* source) {
 #else
     // Convert to a string object if it isn't already, then to wxString
     PyObject* str = source;
 #else
     // Convert to a string object if it isn't already, then to wxString
     PyObject* str = source;

-    if (!PyString_Check(source)) {
+    if (PyUnicode_Check(source)) {
+        str = PyUnicode_AsEncodedString(source, wxPyDefaultEncoding, "strict");
+        if (PyErr_Occurred()) return NULL;
+    }
+    else if (!PyString_Check(source)) {

         str = PyObject_Str(source);
         if (PyErr_Occurred()) return NULL;
     }
     char* tmpPtr; int tmpSize;
     PyString_AsStringAndSize(str, &tmpPtr, &tmpSize);
     target = new wxString(tmpPtr, tmpSize);
         str = PyObject_Str(source);
         if (PyErr_Occurred()) return NULL;
     }
     char* tmpPtr; int tmpSize;
     PyString_AsStringAndSize(str, &tmpPtr, &tmpSize);
     target = new wxString(tmpPtr, tmpSize);

-    
+

     if (!PyString_Check(source))
         Py_DECREF(str);
 #endif // wxUSE_UNICODE
     if (!PyString_Check(source))
         Py_DECREF(str);
 #endif // wxUSE_UNICODE

-    
+

     return target;
 }
 
     return target;
 }
 


@@ -1943,28 +1968,32 @@ wxString Py2wxString(PyObject* source)
     // Convert to a unicode object, if not already, then to a wxString
     PyObject* uni = source;
     if (!PyUnicode_Check(source)) {
     // Convert to a unicode object, if not already, then to a wxString
     PyObject* uni = source;
     if (!PyUnicode_Check(source)) {

-        uni = PyUnicode_FromObject(source);
+        uni = PyUnicode_FromEncodedObject(source, wxPyDefaultEncoding, "strict");

         if (PyErr_Occurred()) return wxEmptyString;  // TODO:  should we PyErr_Clear?
         if (PyErr_Occurred()) return wxEmptyString;  // TODO:  should we PyErr_Clear?

-    }    
+    }

     size_t len = PyUnicode_GET_SIZE(uni);
     if (len) {
         PyUnicode_AsWideChar((PyUnicodeObject*)uni, target.GetWriteBuf(len), len);
         target.UngetWriteBuf();
     }
     size_t len = PyUnicode_GET_SIZE(uni);
     if (len) {
         PyUnicode_AsWideChar((PyUnicodeObject*)uni, target.GetWriteBuf(len), len);
         target.UngetWriteBuf();
     }

-    
+

     if (!PyUnicode_Check(source))
         Py_DECREF(uni);
 #else
     // Convert to a string object if it isn't already, then to wxString
     PyObject* str = source;
     if (!PyUnicode_Check(source))
         Py_DECREF(uni);
 #else
     // Convert to a string object if it isn't already, then to wxString
     PyObject* str = source;

-    if (!PyString_Check(source)) {
+    if (PyUnicode_Check(source)) {
+        str = PyUnicode_AsEncodedString(source, wxPyDefaultEncoding, "strict");
+        if (PyErr_Occurred()) return wxEmptyString;    // TODO:  should we PyErr_Clear?
+    }
+    else if (!PyString_Check(source)) {

         str = PyObject_Str(source);
         if (PyErr_Occurred()) return wxEmptyString;    // TODO:  should we PyErr_Clear?
     }
     char* tmpPtr; int tmpSize;
     PyString_AsStringAndSize(str, &tmpPtr, &tmpSize);
     target = wxString(tmpPtr, tmpSize);
         str = PyObject_Str(source);
         if (PyErr_Occurred()) return wxEmptyString;    // TODO:  should we PyErr_Clear?
     }
     char* tmpPtr; int tmpSize;
     PyString_AsStringAndSize(str, &tmpPtr, &tmpSize);
     target = wxString(tmpPtr, tmpSize);

-    
+

     if (!PyString_Check(source))
         Py_DECREF(str);
 #endif // wxUSE_UNICODE
     if (!PyString_Check(source))
         Py_DECREF(str);
 #endif // wxUSE_UNICODE


@@ -1986,6 +2015,17 @@ PyObject* wx2PyString(const wxString& src)
 }
 
 
 }
 
 

+
+void wxSetDefaultPyEncoding(const char* encoding)
+{
+    strncpy(wxPyDefaultEncoding, encoding, DEFAULTENCODING_SIZE);
+}
+
+const char* wxGetDefaultPyEncoding()
+{
+    return wxPyDefaultEncoding;
+}
+

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