X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/19a97bd6f98edc899ee0c3b2f2c4fe4ee8a0082b..6bff4be599aefb32d69734849e4c8fc1529f7868:/wxPython/src/helpers.cpp

diff --git a/wxPython/src/helpers.cpp b/wxPython/src/helpers.cpp
index c9994a4cfb..187a0673c8 100644
--- a/wxPython/src/helpers.cpp
+++ b/wxPython/src/helpers.cpp
@@ -101,7 +101,6 @@ void WXDLLEXPORT wxEntryCleanup();
 
 
 #ifdef WXP_WITH_THREAD
-//PyThreadState*  wxPyEventThreadState = NULL;
 PyInterpreterState* wxPyInterpreter = NULL;
 #endif
 
@@ -118,7 +117,6 @@ void __wxPreStart()
 
 #ifdef WXP_WITH_THREAD
     PyEval_InitThreads();
-//    wxPyEventThreadState = PyThreadState_Get(); // PyThreadState_New(PyThreadState_Get()->interp);
     wxPyInterpreter = PyThreadState_Get()->interp;
 #endif
 
@@ -290,24 +288,51 @@ PyObject* wxPyClassExists(const char* className) {
 
 
 PyObject*  wxPyMake_wxObject(wxObject* source) {
-    PyObject* target;
+    PyObject* target = NULL;
+    bool      isEvtHandler = FALSE;
 
     if (source) {
-        wxClassInfo* info = source->GetClassInfo();
-        wxChar*      name = (wxChar*)info->GetClassName();
-        PyObject*    klass = wxPyClassExists(name);
-        while (info && !klass) {
-            name = (wxChar*)info->GetBaseClassName1();
-            info = wxClassInfo::FindClass(name);
-            klass = wxPyClassExists(name);
+        // If it's derived from wxEvtHandler then there may
+        // already be a pointer to a Python objec that we can use.
+        if (wxIsKindOf(source, wxEvtHandler)) {
+            wxEvtHandler* eh = (wxEvtHandler*)source;
+            wxPyClientData* data = (wxPyClientData*)eh->GetClientObject();
+            if (data) {
+                target = data->m_obj;
+                Py_INCREF(target);
+            }
         }
-        if (info) {
-            target = wxPyConstructObject(source, name, klass, FALSE);
-        } else {
-            wxString msg("wxPython class not found for ");
-            msg += source->GetClassInfo()->GetClassName();
-            PyErr_SetString(PyExc_NameError, msg.c_str());
-            target = NULL;
+        else if (wxIsKindOf(source, wxSizer)) {
+            // wxSizers also track the original object
+            wxSizer* sz = (wxSizer*)source;
+            wxPyClientData* data = (wxPyClientData*)sz->GetClientObject();
+            if (data) {
+                target = data->m_obj;
+                Py_INCREF(target);
+            }
+        }
+
+        if (! target) {
+            // Otherwise make it the old fashioned way by making a
+            // new shadow object and putting this pointer in it.
+            wxClassInfo* info = source->GetClassInfo();
+            wxChar*      name = (wxChar*)info->GetClassName();
+            PyObject*    klass = wxPyClassExists(name);
+            while (info && !klass) {
+                name = (wxChar*)info->GetBaseClassName1();
+                info = wxClassInfo::FindClass(name);
+                klass = wxPyClassExists(name);
+            }
+            if (info) {
+                target = wxPyConstructObject(source, name, klass, FALSE);
+                if (target && isEvtHandler)
+                    ((wxEvtHandler*)source)->SetClientObject(new wxPyClientData(target));
+            } else {
+                wxString msg("wxPython class not found for ");
+                msg += source->GetClassInfo()->GetClassName();
+                PyErr_SetString(PyExc_NameError, msg.c_str());
+                target = NULL;
+            }
         }
     } else {  // source was NULL so return None.
         Py_INCREF(Py_None); target = Py_None;
@@ -315,6 +340,7 @@ PyObject*  wxPyMake_wxObject(wxObject* source) {
     return target;
 }
 
+
 //---------------------------------------------------------------------------
 
 PyObject* wxPyConstructObject(void* ptr,
@@ -376,42 +402,6 @@ PyObject* wxPyConstructObject(void* ptr,
 
 //---------------------------------------------------------------------------
 
-//  static PyThreadState* myPyThreadState_Get() {
-//      PyThreadState* current;
-//      current = PyThreadState_Swap(NULL);
-//      PyThreadState_Swap(current);
-//      return current;
-//  }
-
-
-//  bool wxPyRestoreThread() {
-//      // NOTE: The Python API docs state that if a thread already has the
-//      // interpreter lock and calls PyEval_RestoreThread again a deadlock
-//      // occurs, so I put in this code as a guard condition since there are
-//      // many possibilites for nested events and callbacks in wxPython.  If
-//      // The current thread is our thread, then we can assume that we
-//      // already have the lock.  (I hope!)
-//      //
-//  #ifdef WXP_WITH_THREAD
-//      if (wxPyEventThreadState != myPyThreadState_Get()) {
-//          PyEval_AcquireThread(wxPyEventThreadState);
-//          return TRUE;
-//      }
-//      else
-//  #endif
-//          return FALSE;
-//  }
-
-
-//  void wxPySaveThread(bool doSave) {
-//  #ifdef WXP_WITH_THREAD
-//      if (doSave) {
-//          PyEval_ReleaseThread(wxPyEventThreadState);
-//      }
-//  #endif
-//  }
-
-
 
 wxPyTState* wxPyBeginBlockThreads() {
     wxPyTState* state = NULL;
@@ -576,7 +566,7 @@ PyObject* wxPyCallbackHelper::callCallbackObj(PyObject* argTuple) const {
 }
 
 
-void wxPyCBH_setSelf(wxPyCallbackHelper& cbh, PyObject* self, PyObject* klass, int incref) {
+void wxPyCBH_setCallbackInfo(wxPyCallbackHelper& cbh, PyObject* self, PyObject* klass, int incref) {
     cbh.setSelf(self, klass, incref);
 }
 
@@ -604,7 +594,7 @@ void wxPyCBH_delete(wxPyCallbackHelper* cbh) {
 
 //---------------------------------------------------------------------------
 //---------------------------------------------------------------------------
-// These classes can be derived from in Python and passed through the event
+// These event classes can be derived from in Python and passed through the event
 // system without losing anything.  They do this by keeping a reference to
 // themselves and some special case handling in wxPyCallback::EventThunker.
 
@@ -640,37 +630,41 @@ PyObject* wxPyEvtSelfRef::GetSelf() const {
 }
 
 
+IMPLEMENT_ABSTRACT_CLASS(wxPyEvent, wxEvent);
+IMPLEMENT_ABSTRACT_CLASS(wxPyCommandEvent, wxCommandEvent);
+
+
 wxPyEvent::wxPyEvent(int id)
     : wxEvent(id) {
 }
 
-wxPyEvent::~wxPyEvent() {
-}
 
-// This one is so the event object can be Cloned...
-void wxPyEvent::CopyObject(wxObject& dest) const {
-    wxEvent::CopyObject(dest);
-    ((wxPyEvent*)&dest)->SetSelf(m_self, TRUE);
+wxPyEvent::wxPyEvent(const wxPyEvent& evt)
+    : wxEvent(evt)
+{
+    SetSelf(evt.m_self, TRUE);
 }
 
 
-IMPLEMENT_DYNAMIC_CLASS(wxPyEvent, wxEvent);
+wxPyEvent::~wxPyEvent() {
+}
 
 
 wxPyCommandEvent::wxPyCommandEvent(wxEventType commandType, int id)
     : wxCommandEvent(commandType, id) {
 }
 
-wxPyCommandEvent::~wxPyCommandEvent() {
-}
 
-void wxPyCommandEvent::CopyObject(wxObject& dest) const {
-    wxCommandEvent::CopyObject(dest);
-    ((wxPyCommandEvent*)&dest)->SetSelf(m_self, TRUE);
+wxPyCommandEvent::wxPyCommandEvent(const wxPyCommandEvent& evt)
+    : wxCommandEvent(evt)
+{
+    SetSelf(evt.m_self, TRUE);
 }
 
 
-IMPLEMENT_DYNAMIC_CLASS(wxPyCommandEvent, wxCommandEvent);
+wxPyCommandEvent::~wxPyCommandEvent() {
+}
+
 
 
 
@@ -878,23 +872,19 @@ static inline bool wxPointFromObjects(PyObject* o1, PyObject* o2, wxPoint* point
 }
 
 
-#if PYTHON_API_VERSION < 1009
-#define PySequence_Fast_GET_ITEM(o, i)\
-     (PyList_Check(o) ? PyList_GET_ITEM(o, i) : PyTuple_GET_ITEM(o, i))
-#endif
-
 wxPoint* wxPoint_LIST_helper(PyObject* source, int *count) {
     // Putting all of the declarations here allows
     // us to put the error handling all in one place.
     int x;
     wxPoint* temp;
     PyObject *o, *o1, *o2;
-    int isFast = PyList_Check(source) || PyTuple_Check(source);
+    bool isFast = PyList_Check(source) || PyTuple_Check(source);
 
-    // The length of the sequence is returned in count.
     if (!PySequence_Check(source)) {
         goto error0;
     }
+
+    // The length of the sequence is returned in count.
     *count = PySequence_Length(source);
     if (*count < 0) {
         goto error0;
@@ -1011,11 +1001,24 @@ wxString* wxString_LIST_helper(PyObject* source) {
     }
     for (int x=0; x<count; x++) {
         PyObject* o = PyList_GetItem(source, x);
+#if PYTHON_API_VERSION >= 1009
+        if (! PyString_Check(o) && ! PyUnicode_Check(o)) {
+            PyErr_SetString(PyExc_TypeError, "Expected a list of string or unicode objects.");
+            return NULL;
+        }
+
+        char* buff;
+        int   length;
+        if (PyString_AsStringAndSize(o, &buff, &length) == -1)
+            return NULL;
+        temp[x] = wxString(buff, length);
+#else
         if (! PyString_Check(o)) {
             PyErr_SetString(PyExc_TypeError, "Expected a list of strings.");
             return NULL;
         }
         temp[x] = PyString_AsString(o);
+#endif
     }
     return temp;
 }
@@ -1057,6 +1060,99 @@ wxAcceleratorEntry* wxAcceleratorEntry_LIST_helper(PyObject* source) {
 }
 
 
+wxPen** wxPen_LIST_helper(PyObject* source) {
+    if (!PyList_Check(source)) {
+        PyErr_SetString(PyExc_TypeError, "Expected a list object.");
+        return NULL;
+    }
+    int count = PyList_Size(source);
+    wxPen** temp = new wxPen*[count];
+    if (!temp) {
+        PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array");
+        return NULL;
+    }
+    for (int x=0; x<count; x++) {
+        PyObject* o = PyList_GetItem(source, x);
+        if (PyInstance_Check(o)) {
+            wxPen*  pt;
+            if (SWIG_GetPtrObj(o, (void **) &pt,"_wxPen_p")) {
+                delete temp;
+                PyErr_SetString(PyExc_TypeError,"Expected _wxPen_p.");
+                return NULL;
+            }
+            temp[x] = pt;
+        }
+        else {
+            delete temp;
+            PyErr_SetString(PyExc_TypeError, "Expected a list of wxPens.");
+            return NULL;
+        }
+    }
+    return temp;
+}
+
+
+bool _2int_seq_helper(PyObject* source, int* i1, int* i2) {
+    bool isFast = PyList_Check(source) || PyTuple_Check(source);
+    PyObject *o1, *o2;
+
+    if (!PySequence_Check(source) || PySequence_Length(source) != 2)
+        return FALSE;
+
+    if (isFast) {
+        o1 = PySequence_Fast_GET_ITEM(source, 0);
+        o2 = PySequence_Fast_GET_ITEM(source, 1);
+    }
+    else {
+        o1 = PySequence_GetItem(source, 0);
+        o2 = PySequence_GetItem(source, 1);
+    }
+
+    *i1 = PyInt_AsLong(o1);
+    *i2 = PyInt_AsLong(o2);
+
+    if (! isFast) {
+        Py_DECREF(o1);
+        Py_DECREF(o2);
+    }
+    return TRUE;
+}
+
+
+bool _4int_seq_helper(PyObject* source, int* i1, int* i2, int* i3, int* i4) {
+    bool isFast = PyList_Check(source) || PyTuple_Check(source);
+    PyObject *o1, *o2, *o3, *o4;
+
+    if (!PySequence_Check(source) || PySequence_Length(source) != 4)
+        return FALSE;
+
+    if (isFast) {
+        o1 = PySequence_Fast_GET_ITEM(source, 0);
+        o2 = PySequence_Fast_GET_ITEM(source, 1);
+        o3 = PySequence_Fast_GET_ITEM(source, 2);
+        o4 = PySequence_Fast_GET_ITEM(source, 3);
+    }
+    else {
+        o1 = PySequence_GetItem(source, 0);
+        o2 = PySequence_GetItem(source, 1);
+        o3 = PySequence_GetItem(source, 2);
+        o4 = PySequence_GetItem(source, 3);
+    }
+
+    *i1 = PyInt_AsLong(o1);
+    *i2 = PyInt_AsLong(o2);
+    *i3 = PyInt_AsLong(o3);
+    *i4 = PyInt_AsLong(o4);
+
+    if (! isFast) {
+        Py_DECREF(o1);
+        Py_DECREF(o2);
+        Py_DECREF(o3);
+        Py_DECREF(o4);
+    }
+    return TRUE;
+}
+
 
 //----------------------------------------------------------------------
 
@@ -1203,6 +1299,19 @@ bool wxColour_helper(PyObject* source, wxColour** obj) {
 
 
 //----------------------------------------------------------------------
+
+PyObject* wxArrayString2PyList_helper(const wxArrayString& arr) {
+
+    PyObject* list = PyList_New(0);
+    for (size_t i=0; i < arr.GetCount(); i++) {
+        PyObject* str = PyString_FromString(arr[i].c_str());
+        PyList_Append(list, str);
+        // TODO:  Check refcount on str...
+    }
+    return list;
+}
+
+
 //----------------------------------------------------------------------
 //----------------------------------------------------------------------