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merged 2.2 branch

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@7748 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Bryan Petty
2000-07-15 19:51:35 +00:00
parent 8a693e6e04
commit f6bcfd974e
1835 changed files with 237729 additions and 67990 deletions
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wxPython/src/helpers.cpp Normal file
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/////////////////////////////////////////////////////////////////////////////
// Name: helpers.cpp
// Purpose: Helper functions/classes for the wxPython extension module
//
// Author: Robin Dunn
//
// Created: 7/1/97
// RCS-ID: $Id$
// Copyright: (c) 1998 by Total Control Software
// Licence: wxWindows license
/////////////////////////////////////////////////////////////////////////////
#include <stdio.h> // get the correct definition of NULL
#undef DEBUG
#include <Python.h>
#include "helpers.h"
#ifdef __WXMSW__
#include <wx/msw/private.h>
#undef FindWindow
#undef GetCharWidth
#undef LoadAccelerators
#undef GetClassInfo
#undef GetClassName
#endif
#ifdef __WXGTK__
#include <gtk/gtk.h>
#include <gdk/gdkprivate.h>
#include <wx/gtk/win_gtk.h>
//#include <gdk/gdk.h>
//#include <gdk/gdkx.h>
//#include <gtk/gtkwindow.h>
//extern GtkWidget *wxRootWindow;
#endif
//---------------------------------------------------------------------------
//wxHashTable* wxPyWindows = NULL;
wxPoint wxPyDefaultPosition; //wxDefaultPosition);
wxSize wxPyDefaultSize; //wxDefaultSize);
wxString wxPyEmptyStr("");
#ifdef __WXMSW__ // If building for win32...
//----------------------------------------------------------------------
// This gets run when the DLL is loaded. We just need to save a handle.
//----------------------------------------------------------------------
BOOL WINAPI DllMain(
HINSTANCE hinstDLL, // handle to DLL module
DWORD fdwReason, // reason for calling function
LPVOID lpvReserved // reserved
)
{
wxSetInstance(hinstDLL);
return 1;
}
#endif
//----------------------------------------------------------------------
// Class for implementing the wxp main application shell.
//----------------------------------------------------------------------
wxPyApp *wxPythonApp = NULL; // Global instance of application object
wxPyApp::wxPyApp() {
// printf("**** ctor\n");
}
wxPyApp::~wxPyApp() {
// printf("**** dtor\n");
}
// This one isn't acutally called... See __wxStart()
bool wxPyApp::OnInit(void) {
return FALSE;
}
int wxPyApp::MainLoop(void) {
int retval = 0;
DeletePendingObjects();
#ifdef __WXGTK__
m_initialized = wxTopLevelWindows.GetCount() != 0;
#endif
if (Initialized()) {
retval = wxApp::MainLoop();
wxPythonApp->OnExit();
}
return retval;
}
//---------------------------------------------------------------------
//----------------------------------------------------------------------
int WXDLLEXPORT wxEntryStart( int argc, char** argv );
int WXDLLEXPORT wxEntryInitGui();
void WXDLLEXPORT wxEntryCleanup();
#ifdef WXP_WITH_THREAD
PyThreadState* wxPyEventThreadState = NULL;
#endif
static char* __nullArgv[1] = { 0 };
// This is where we pick up the first part of the wxEntry functionality...
// The rest is in __wxStart and __wxCleanup. This function is called when
// wxcmodule is imported. (Before there is a wxApp object.)
void __wxPreStart()
{
#ifdef WXP_WITH_THREAD
PyEval_InitThreads();
wxPyEventThreadState = PyThreadState_Get();
#endif
// Bail out if there is already windows created. This means that the
// toolkit has already been initialized, as in embedding wxPython in
// a C++ wxWindows app.
if (wxTopLevelWindows.Number() > 0)
return;
PyObject* sysargv = PySys_GetObject("argv");
int argc = PyList_Size(sysargv);
char** argv = new char*[argc+1];
int x;
for(x=0; x<argc; x++)
argv[x] = PyString_AsString(PyList_GetItem(sysargv, x));
argv[argc] = NULL;
wxEntryStart(argc, argv);
delete [] argv;
}
// Start the user application, user App's OnInit method is a parameter here
PyObject* __wxStart(PyObject* /* self */, PyObject* args)
{
PyObject* onInitFunc = NULL;
PyObject* arglist;
PyObject* result;
long bResult;
if (!PyArg_ParseTuple(args, "O", &onInitFunc))
return NULL;
if (wxTopLevelWindows.Number() > 0) {
PyErr_SetString(PyExc_TypeError, "Only 1 wxApp per process!");
return NULL;
}
// This is the next part of the wxEntry functionality...
PyObject* sysargv = PySys_GetObject("argv");
int argc = PyList_Size(sysargv);
char** argv = new char*[argc+1];
int x;
for(x=0; x<argc; x++)
argv[x] = PyString_AsString(PyList_GetItem(sysargv, x));
argv[argc] = NULL;
wxPythonApp->argc = argc;
wxPythonApp->argv = argv;
wxEntryInitGui();
// Call the Python App's OnInit function
arglist = PyTuple_New(0);
result = PyEval_CallObject(onInitFunc, arglist);
if (!result) { // an exception was raised.
return NULL;
}
if (! PyInt_Check(result)) {
PyErr_SetString(PyExc_TypeError, "OnInit should return a boolean value");
return NULL;
}
bResult = PyInt_AS_LONG(result);
if (! bResult) {
PyErr_SetString(PyExc_SystemExit, "OnInit returned FALSE, exiting...");
return NULL;
}
#ifdef __WXGTK__
wxTheApp->m_initialized = (wxTopLevelWindows.GetCount() > 0);
#endif
Py_INCREF(Py_None);
return Py_None;
}
void __wxCleanup() {
wxEntryCleanup();
}
PyObject* wxPython_dict;
PyObject* __wxSetDictionary(PyObject* /* self */, PyObject* args)
{
if (!PyArg_ParseTuple(args, "O", &wxPython_dict))
return NULL;
if (!PyDict_Check(wxPython_dict)) {
PyErr_SetString(PyExc_TypeError, "_wxSetDictionary must have dictionary object!");
return NULL;
}
#ifdef __WXMOTIF__
#define wxPlatform "__WXMOTIF__"
#endif
#ifdef __WXQT__
#define wxPlatform "__WXQT__"
#endif
#ifdef __WXGTK__
#define wxPlatform "__WXGTK__"
#endif
#if defined(__WIN32__) || defined(__WXMSW__)
#define wxPlatform "__WXMSW__"
#endif
#ifdef __WXMAC__
#define wxPlatform "__WXMAC__"
#endif
PyDict_SetItemString(wxPython_dict, "wxPlatform", PyString_FromString(wxPlatform));
Py_INCREF(Py_None);
return Py_None;
}
//---------------------------------------------------------------------------
PyObject* wxPyConstructObject(void* ptr, const char* className) {
char buff[64]; // should always be big enough...
char swigptr[64];
sprintf(buff, "_%s_p", className);
SWIG_MakePtr(swigptr, ptr, buff);
sprintf(buff, "%sPtr", className);
PyObject* classobj = PyDict_GetItemString(wxPython_dict, buff);
if (! classobj) {
Py_INCREF(Py_None);
return Py_None;
}
PyObject* arg = Py_BuildValue("(s)", swigptr);
PyObject* obj = PyInstance_New(classobj, arg, NULL);
Py_DECREF(arg);
return obj;
}
//---------------------------------------------------------------------------
static unsigned int _wxPyNestCount = 0;
static PyThreadState* myPyThreadState_Get() {
PyThreadState* current;
current = PyThreadState_Swap(NULL);
PyThreadState_Swap(current);
return current;
}
HELPEREXPORT 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
_wxPyNestCount += 1;
if (wxPyEventThreadState != myPyThreadState_Get()) {
PyEval_RestoreThread(wxPyEventThreadState);
return TRUE;
}
else
#endif
return FALSE;
}
HELPEREXPORT void wxPySaveThread(bool doSave) {
#ifdef WXP_WITH_THREAD
if (doSave) {
wxPyEventThreadState = PyEval_SaveThread();
}
_wxPyNestCount -= 1;
#endif
}
//---------------------------------------------------------------------------
IMPLEMENT_ABSTRACT_CLASS(wxPyCallback, wxObject);
wxPyCallback::wxPyCallback(PyObject* func) {
m_func = func;
Py_INCREF(m_func);
}
wxPyCallback::wxPyCallback(const wxPyCallback& other) {
m_func = other.m_func;
Py_INCREF(m_func);
}
wxPyCallback::~wxPyCallback() {
bool doSave = wxPyRestoreThread();
Py_DECREF(m_func);
wxPySaveThread(doSave);
}
// This function is used for all events destined for Python event handlers.
void wxPyCallback::EventThunker(wxEvent& event) {
wxPyCallback* cb = (wxPyCallback*)event.m_callbackUserData;
PyObject* func = cb->m_func;
PyObject* result;
PyObject* arg;
PyObject* tuple;
bool doSave = wxPyRestoreThread();
wxString className = event.GetClassInfo()->GetClassName();
if (className == "wxPyEvent")
arg = ((wxPyEvent*)&event)->GetSelf();
else if (className == "wxPyCommandEvent")
arg = ((wxPyCommandEvent*)&event)->GetSelf();
else
arg = wxPyConstructObject((void*)&event, className);
tuple = PyTuple_New(1);
PyTuple_SET_ITEM(tuple, 0, arg);
result = PyEval_CallObject(func, tuple);
Py_DECREF(tuple);
if (result) {
Py_DECREF(result);
PyErr_Clear();
} else {
PyErr_Print();
}
wxPySaveThread(doSave);
}
//----------------------------------------------------------------------
wxPyCallbackHelper::wxPyCallbackHelper() {
m_class = NULL;
m_self = NULL;
m_lastFound = NULL;
m_incRef = FALSE;
}
wxPyCallbackHelper::~wxPyCallbackHelper() {
bool doSave = wxPyRestoreThread();
if (m_incRef) {
Py_XDECREF(m_self);
Py_XDECREF(m_class);
}
wxPySaveThread(doSave);
}
wxPyCallbackHelper::wxPyCallbackHelper(const wxPyCallbackHelper& other) {
m_lastFound = NULL;
m_self = other.m_self;
m_class = other.m_class;
if (m_self) {
Py_INCREF(m_self);
Py_INCREF(m_class);
}
}
void wxPyCallbackHelper::setSelf(PyObject* self, PyObject* _class, int incref) {
m_self = self;
m_class = _class;
m_incRef = incref;
if (incref) {
Py_INCREF(m_self);
Py_INCREF(m_class);
}
}
// If the object (m_self) has an attibute of the given name, and if that
// attribute is a method, and if that method's class is not from a base class,
// then we'll save a pointer to the method so callCallback can call it.
bool wxPyCallbackHelper::findCallback(const wxString& name) const {
wxPyCallbackHelper* self = (wxPyCallbackHelper*)this; // cast away const
self->m_lastFound = NULL;
if (m_self && PyObject_HasAttrString(m_self, (char*)name.c_str())) {
PyObject* method;
method = PyObject_GetAttrString(m_self, (char*)name.c_str());
if (PyMethod_Check(method) &&
((PyMethod_GET_CLASS(method) == m_class) ||
PyClass_IsSubclass(PyMethod_GET_CLASS(method), m_class))) {
self->m_lastFound = method;
}
}
return m_lastFound != NULL;
}
int wxPyCallbackHelper::callCallback(PyObject* argTuple) const {
PyObject* result;
int retval = FALSE;
result = callCallbackObj(argTuple);
if (result) { // Assumes an integer return type...
retval = PyInt_AsLong(result);
Py_DECREF(result);
PyErr_Clear(); // forget about it if it's not...
}
return retval;
}
// Invoke the Python callable object, returning the raw PyObject return
// value. Caller should DECREF the return value and also call PyEval_SaveThread.
PyObject* wxPyCallbackHelper::callCallbackObj(PyObject* argTuple) const {
PyObject* result;
result = PyEval_CallObject(m_lastFound, argTuple);
Py_DECREF(argTuple);
if (!result) {
PyErr_Print();
}
return result;
}
//---------------------------------------------------------------------------
//---------------------------------------------------------------------------
// These classes can be derived from in Python and passed through the event
// system without loosing anything. They do this by keeping a reference to
// themselves and some special case handling in wxPyCallback::EventThunker.
wxPyEvtSelfRef::wxPyEvtSelfRef() {
//m_self = Py_None; // **** We don't do normal ref counting to prevent
//Py_INCREF(m_self); // circular loops...
m_cloned = FALSE;
}
wxPyEvtSelfRef::~wxPyEvtSelfRef() {
bool doSave = wxPyRestoreThread();
if (m_cloned)
Py_DECREF(m_self);
wxPySaveThread(doSave);
}
void wxPyEvtSelfRef::SetSelf(PyObject* self, bool clone) {
bool doSave = wxPyRestoreThread();
if (m_cloned)
Py_DECREF(m_self);
m_self = self;
if (clone) {
Py_INCREF(m_self);
m_cloned = TRUE;
}
wxPySaveThread(doSave);
}
PyObject* wxPyEvtSelfRef::GetSelf() const {
Py_INCREF(m_self);
return m_self;
}
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);
}
IMPLEMENT_DYNAMIC_CLASS(wxPyEvent, wxEvent);
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);
}
IMPLEMENT_DYNAMIC_CLASS(wxPyCommandEvent, wxCommandEvent);
//---------------------------------------------------------------------------
//---------------------------------------------------------------------------
wxPyTimer::wxPyTimer(PyObject* callback) {
func = callback;
Py_INCREF(func);
}
wxPyTimer::~wxPyTimer() {
bool doSave = wxPyRestoreThread();
Py_DECREF(func);
wxPySaveThread(doSave);
}
void wxPyTimer::Notify() {
bool doSave = wxPyRestoreThread();
PyObject* result;
PyObject* args = Py_BuildValue("()");
result = PyEval_CallObject(func, args);
Py_DECREF(args);
if (result) {
Py_DECREF(result);
PyErr_Clear();
} else {
PyErr_Print();
}
wxPySaveThread(doSave);
}
//---------------------------------------------------------------------------
//---------------------------------------------------------------------------
// Convert a wxList to a Python List
PyObject* wxPy_ConvertList(wxListBase* list, const char* className) {
PyObject* pyList;
PyObject* pyObj;
wxObject* wxObj;
wxNode* node = list->First();
bool doSave = wxPyRestoreThread();
pyList = PyList_New(0);
while (node) {
wxObj = node->Data();
pyObj = wxPyConstructObject(wxObj, className);
PyList_Append(pyList, pyObj);
node = node->Next();
}
wxPySaveThread(doSave);
return pyList;
}
//----------------------------------------------------------------------
long wxPyGetWinHandle(wxWindow* win) {
#ifdef __WXMSW__
return (long)win->GetHandle();
#endif
// Find and return the actual X-Window.
#ifdef __WXGTK__
if (win->m_wxwindow) {
GdkWindowPrivate* bwin = (GdkWindowPrivate*)GTK_PIZZA(win->m_wxwindow)->bin_window;
if (bwin) {
return (long)bwin->xwindow;
}
}
#endif
return 0;
}
//----------------------------------------------------------------------
// Some helper functions for typemaps in my_typemaps.i, so they won't be
// included in every file...
byte* byte_LIST_helper(PyObject* source) {
if (!PyList_Check(source)) {
PyErr_SetString(PyExc_TypeError, "Expected a list object.");
return NULL;
}
int count = PyList_Size(source);
byte* temp = new byte[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 (! PyInt_Check(o)) {
PyErr_SetString(PyExc_TypeError, "Expected a list of integers.");
return NULL;
}
temp[x] = (byte)PyInt_AsLong(o);
}
return temp;
}
int* int_LIST_helper(PyObject* source) {
if (!PyList_Check(source)) {
PyErr_SetString(PyExc_TypeError, "Expected a list object.");
return NULL;
}
int count = PyList_Size(source);
int* temp = new int[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 (! PyInt_Check(o)) {
PyErr_SetString(PyExc_TypeError, "Expected a list of integers.");
return NULL;
}
temp[x] = PyInt_AsLong(o);
}
return temp;
}
long* long_LIST_helper(PyObject* source) {
if (!PyList_Check(source)) {
PyErr_SetString(PyExc_TypeError, "Expected a list object.");
return NULL;
}
int count = PyList_Size(source);
long* temp = new long[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 (! PyInt_Check(o)) {
PyErr_SetString(PyExc_TypeError, "Expected a list of integers.");
return NULL;
}
temp[x] = PyInt_AsLong(o);
}
return temp;
}
char** string_LIST_helper(PyObject* source) {
if (!PyList_Check(source)) {
PyErr_SetString(PyExc_TypeError, "Expected a list object.");
return NULL;
}
int count = PyList_Size(source);
char** temp = new char*[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 (! PyString_Check(o)) {
PyErr_SetString(PyExc_TypeError, "Expected a list of strings.");
return NULL;
}
temp[x] = PyString_AsString(o);
}
return temp;
}
wxPoint* wxPoint_LIST_helper(PyObject* source) {
if (!PyList_Check(source)) {
PyErr_SetString(PyExc_TypeError, "Expected a list object.");
return NULL;
}
int count = PyList_Size(source);
wxPoint* temp = new wxPoint[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 (PyTuple_Check(o)) {
PyObject* o1 = PyTuple_GetItem(o, 0);
PyObject* o2 = PyTuple_GetItem(o, 1);
temp[x].x = PyInt_AsLong(o1);
temp[x].y = PyInt_AsLong(o2);
}
else if (PyInstance_Check(o)) {
wxPoint* pt;
if (SWIG_GetPtrObj(o,(void **) &pt,"_wxPoint_p")) {
PyErr_SetString(PyExc_TypeError,"Expected _wxPoint_p.");
return NULL;
}
temp[x] = *pt;
}
else {
PyErr_SetString(PyExc_TypeError, "Expected a list of 2-tuples or wxPoints.");
return NULL;
}
}
return temp;
}
wxBitmap** wxBitmap_LIST_helper(PyObject* source) {
if (!PyList_Check(source)) {
PyErr_SetString(PyExc_TypeError, "Expected a list object.");
return NULL;
}
int count = PyList_Size(source);
wxBitmap** temp = new wxBitmap*[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)) {
wxBitmap* pt;
if (SWIG_GetPtrObj(o, (void **) &pt,"_wxBitmap_p")) {
PyErr_SetString(PyExc_TypeError,"Expected _wxBitmap_p.");
return NULL;
}
temp[x] = pt;
}
else {
PyErr_SetString(PyExc_TypeError, "Expected a list of wxBitmaps.");
return NULL;
}
}
return temp;
}
wxString* wxString_LIST_helper(PyObject* source) {
if (!PyList_Check(source)) {
PyErr_SetString(PyExc_TypeError, "Expected a list object.");
return NULL;
}
int count = PyList_Size(source);
wxString* temp = new wxString[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 (! PyString_Check(o)) {
PyErr_SetString(PyExc_TypeError, "Expected a list of strings.");
return NULL;
}
temp[x] = PyString_AsString(o);
}
return temp;
}
wxAcceleratorEntry* wxAcceleratorEntry_LIST_helper(PyObject* source) {
if (!PyList_Check(source)) {
PyErr_SetString(PyExc_TypeError, "Expected a list object.");
return NULL;
}
int count = PyList_Size(source);
wxAcceleratorEntry* temp = new wxAcceleratorEntry[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)) {
wxAcceleratorEntry* ae;
if (SWIG_GetPtrObj(o, (void **) &ae,"_wxAcceleratorEntry_p")) {
PyErr_SetString(PyExc_TypeError,"Expected _wxAcceleratorEntry_p.");
return NULL;
}
temp[x] = *ae;
}
else if (PyTuple_Check(o)) {
PyObject* o1 = PyTuple_GetItem(o, 0);
PyObject* o2 = PyTuple_GetItem(o, 1);
PyObject* o3 = PyTuple_GetItem(o, 2);
temp[x].m_flags = PyInt_AsLong(o1);
temp[x].m_keyCode = PyInt_AsLong(o2);
temp[x].m_command = PyInt_AsLong(o3);
}
else {
PyErr_SetString(PyExc_TypeError, "Expected a list of 3-tuples or wxAcceleratorEntry objects.");
return NULL;
}
}
return temp;
}
//----------------------------------------------------------------------
bool wxSize_helper(PyObject* source, wxSize** obj) {
// If source is an object instance then it may already be the right type
if (PyInstance_Check(source)) {
wxSize* ptr;
if (SWIG_GetPtrObj(source, (void **)&ptr, "_wxSize_p"))
goto error;
*obj = ptr;
return TRUE;
}
// otherwise a 2-tuple of integers is expected
else if (PySequence_Check(source) && PyObject_Length(source) == 2) {
PyObject* o1 = PySequence_GetItem(source, 0);
PyObject* o2 = PySequence_GetItem(source, 1);
**obj = wxSize(PyInt_AsLong(o1), PyInt_AsLong(o2));
return TRUE;
}
error:
PyErr_SetString(PyExc_TypeError, "Expected a 2-tuple of integers or a wxSize object.");
return FALSE;
}
bool wxPoint_helper(PyObject* source, wxPoint** obj) {
// If source is an object instance then it may already be the right type
if (PyInstance_Check(source)) {
wxPoint* ptr;
if (SWIG_GetPtrObj(source, (void **)&ptr, "_wxPoint_p"))
goto error;
*obj = ptr;
return TRUE;
}
// otherwise a 2-tuple of integers is expected
else if (PySequence_Check(source) && PyObject_Length(source) == 2) {
PyObject* o1 = PySequence_GetItem(source, 0);
PyObject* o2 = PySequence_GetItem(source, 1);
**obj = wxPoint(PyInt_AsLong(o1), PyInt_AsLong(o2));
return TRUE;
}
error:
PyErr_SetString(PyExc_TypeError, "Expected a 2-tuple of integers or a wxPoint object.");
return FALSE;
}
bool wxRealPoint_helper(PyObject* source, wxRealPoint** obj) {
// If source is an object instance then it may already be the right type
if (PyInstance_Check(source)) {
wxRealPoint* ptr;
if (SWIG_GetPtrObj(source, (void **)&ptr, "_wxRealPoint_p"))
goto error;
*obj = ptr;
return TRUE;
}
// otherwise a 2-tuple of floats is expected
else if (PySequence_Check(source) && PyObject_Length(source) == 2) {
PyObject* o1 = PySequence_GetItem(source, 0);
PyObject* o2 = PySequence_GetItem(source, 1);
**obj = wxRealPoint(PyFloat_AsDouble(o1), PyFloat_AsDouble(o2));
return TRUE;
}
error:
PyErr_SetString(PyExc_TypeError, "Expected a 2-tuple of floats or a wxRealPoint object.");
return FALSE;
}
bool wxRect_helper(PyObject* source, wxRect** obj) {
// If source is an object instance then it may already be the right type
if (PyInstance_Check(source)) {
wxRect* ptr;
if (SWIG_GetPtrObj(source, (void **)&ptr, "_wxRect_p"))
goto error;
*obj = ptr;
return TRUE;
}
// otherwise a 4-tuple of integers is expected
else if (PySequence_Check(source) && PyObject_Length(source) == 4) {
PyObject* o1 = PySequence_GetItem(source, 0);
PyObject* o2 = PySequence_GetItem(source, 1);
PyObject* o3 = PySequence_GetItem(source, 2);
PyObject* o4 = PySequence_GetItem(source, 3);
**obj = wxRect(PyInt_AsLong(o1), PyInt_AsLong(o2),
PyInt_AsLong(o3), PyInt_AsLong(o4));
return TRUE;
}
error:
PyErr_SetString(PyExc_TypeError, "Expected a 4-tuple of integers or a wxRect object.");
return FALSE;
}
bool wxColour_helper(PyObject* source, wxColour** obj) {
// If source is an object instance then it may already be the right type
if (PyInstance_Check(source)) {
wxColour* ptr;
if (SWIG_GetPtrObj(source, (void **)&ptr, "_wxColour_p"))
goto error;
*obj = ptr;
return TRUE;
}
// otherwise a string is expected
else if (PyString_Check(source)) {
wxString spec = PyString_AS_STRING(source);
if (spec[0] == '#' && spec.Length() == 7) { // It's #RRGGBB
char* junk;
int red = strtol(spec.Mid(1,2), &junk, 16);
int green = strtol(spec.Mid(3,2), &junk, 16);
int blue = strtol(spec.Mid(5,2), &junk, 16);
**obj = wxColour(red, green, blue);
return TRUE;
}
else { // it's a colour name
**obj = wxColour(spec);
return TRUE;
}
}
error:
PyErr_SetString(PyExc_TypeError, "Expected a wxColour object or a string containing a colour name or #RRGGBB.");
return FALSE;
}
//----------------------------------------------------------------------
//----------------------------------------------------------------------
//----------------------------------------------------------------------