+++ /dev/null
-/////////////////////////////////////////////////////////////////////////////
-// Name: helpers.cpp
-// Purpose: Helper functions/classes for the wxPython extension module
-//
-// Author: Robin Dunn
-//
-// Created: 1-July-1997
-// RCS-ID: $Id$
-// Copyright: (c) 1998 by Total Control Software
-// Licence: wxWindows license
-/////////////////////////////////////////////////////////////////////////////
-
-
-#undef DEBUG
-#include <Python.h>
-#include "wx/wxPython/wxPython_int.h"
-#include "wx/wxPython/pyistream.h"
-#include "wx/wxPython/swigver.h"
-#include "wx/wxPython/twoitem.h"
-
-#ifdef __WXMSW__
-#include <wx/msw/private.h>
-#include <wx/msw/winundef.h>
-#include <wx/msw/msvcrt.h>
-#endif
-
-#ifdef __WXGTK__
-#include <gdk/gdk.h>
-#include <gdk/gdkx.h>
-#include <gtk/gtk.h>
-#include <gdk/gdkprivate.h>
-#ifdef __WXGTK20__
-#include <wx/gtk/win_gtk.h>
-#else
-#include <wx/gtk1/win_gtk.h>
-#endif
-#define GetXWindow(wxwin) (wxwin)->m_wxwindow ? \
- GDK_WINDOW_XWINDOW(GTK_PIZZA((wxwin)->m_wxwindow)->bin_window) : \
- GDK_WINDOW_XWINDOW((wxwin)->m_widget->window)
-#include <locale.h>
-#endif
-
-#ifdef __WXX11__
-#include "wx/x11/privx.h"
-#define GetXWindow(wxwin) ((Window)(wxwin)->GetHandle())
-#endif
-
-#ifdef __WXMAC__
-#include <wx/mac/private.h>
-#endif
-
-#include <wx/clipbrd.h>
-#include <wx/mimetype.h>
-#include <wx/image.h>
-
-//----------------------------------------------------------------------
-
-#if PYTHON_API_VERSION < 1009 && wxUSE_UNICODE
-#error Python must support Unicode to use wxWindows Unicode
-#endif
-
-//----------------------------------------------------------------------
-
-wxPyApp* wxPythonApp = NULL; // Global instance of application object
-bool wxPyDoCleanup = false;
-bool wxPyDoingCleanup = false;
-
-
-#ifdef WXP_WITH_THREAD
-#if !wxPyUSE_GIL_STATE
-struct wxPyThreadState {
- unsigned long tid;
- PyThreadState* tstate;
-
- wxPyThreadState(unsigned long _tid=0, PyThreadState* _tstate=NULL)
- : tid(_tid), tstate(_tstate) {}
-};
-
-#include <wx/dynarray.h>
-WX_DECLARE_OBJARRAY(wxPyThreadState, wxPyThreadStateArray);
-#include <wx/arrimpl.cpp>
-WX_DEFINE_OBJARRAY(wxPyThreadStateArray);
-
-wxPyThreadStateArray* wxPyTStates = NULL;
-wxMutex* wxPyTMutex = NULL;
-
-#endif
-#endif
-
-
-#define DEFAULTENCODING_SIZE 64
-static char wxPyDefaultEncoding[DEFAULTENCODING_SIZE] = "ascii";
-
-static PyObject* wxPython_dict = NULL;
-static PyObject* wxPyAssertionError = NULL;
-static PyObject* wxPyNoAppError = NULL;
-
-PyObject* wxPyPtrTypeMap = NULL;
-
-
-#ifdef __WXMSW__ // If building for win32...
-//----------------------------------------------------------------------
-// This gets run when the DLL is loaded. We just need to save a handle.
-//----------------------------------------------------------------------
-
-extern "C"
-BOOL WINAPI DllMain(
- HINSTANCE hinstDLL, // handle to DLL module
- DWORD fdwReason, // reason for calling function
- LPVOID lpvReserved // reserved
- )
-{
- // If wxPython is embedded in another wxWidgets app then
- // the instance has already been set.
- if (! wxGetInstance())
- wxSetInstance(hinstDLL);
- return true;
-}
-#endif
-
-//----------------------------------------------------------------------
-// Classes for implementing the wxp main application shell.
-//----------------------------------------------------------------------
-
-IMPLEMENT_ABSTRACT_CLASS(wxPyApp, wxApp);
-
-
-wxPyApp::wxPyApp() {
- m_assertMode = wxPYAPP_ASSERT_EXCEPTION;
- m_startupComplete = false;
-}
-
-
-wxPyApp::~wxPyApp() {
- wxPythonApp = NULL;
- wxApp::SetInstance(NULL);
-}
-
-
-// This one isn't acutally called... We fake it with _BootstrapApp
-bool wxPyApp::OnInit() {
- return false;
-}
-
-
-int wxPyApp::MainLoop() {
- int retval = 0;
-
- DeletePendingObjects();
- bool initialized = wxTopLevelWindows.GetCount() != 0;
- if (initialized) {
- if ( m_exitOnFrameDelete == Later ) {
- m_exitOnFrameDelete = Yes;
- }
-
- retval = wxApp::MainLoop();
- OnExit();
- }
- return retval;
-}
-
-
-bool wxPyApp::OnInitGui() {
- bool rval=true;
- wxApp::OnInitGui(); // in this case always call the base class version
- wxPyBlock_t blocked = wxPyBeginBlockThreads();
- if (wxPyCBH_findCallback(m_myInst, "OnInitGui"))
- rval = wxPyCBH_callCallback(m_myInst, Py_BuildValue("()"));
- wxPyEndBlockThreads(blocked);
- return rval;
-}
-
-
-int wxPyApp::OnExit() {
- int rval=0;
- wxPyBlock_t blocked = wxPyBeginBlockThreads();
- if (wxPyCBH_findCallback(m_myInst, "OnExit"))
- rval = wxPyCBH_callCallback(m_myInst, Py_BuildValue("()"));
- wxPyEndBlockThreads(blocked);
- wxApp::OnExit(); // in this case always call the base class version
- return rval;
-}
-
-
-
-void wxPyApp::ExitMainLoop() {
- bool found;
- wxPyBlock_t blocked = wxPyBeginBlockThreads();
- if ((found = wxPyCBH_findCallback(m_myInst, "ExitMainLoop")))
- wxPyCBH_callCallback(m_myInst, Py_BuildValue("()"));
- wxPyEndBlockThreads(blocked);
- if (! found)
- wxApp::ExitMainLoop();
-}
-
-
-#ifdef __WXDEBUG__
-void wxPyApp::OnAssertFailure(const wxChar *file,
- int line,
- const wxChar *func,
- const wxChar *cond,
- const wxChar *msg)
-{
- // if we're not fully initialized then just log the error
- if (! m_startupComplete) {
- wxString buf;
- buf.Alloc(4096);
- buf.Printf(wxT("%s(%d): assert \"%s\" failed"),
- file, line, cond);
- if ( func && *func )
- buf << wxT(" in ") << func << wxT("()");
- if (msg != NULL)
- buf << wxT(": ") << msg;
-
- wxLogDebug(buf);
- return;
- }
-
- // If the OnAssert is overloaded in the Python class then call it...
- bool found;
- wxPyBlock_t blocked = wxPyBeginBlockThreads();
- if ((found = wxPyCBH_findCallback(m_myInst, "OnAssert"))) {
- PyObject* fso = wx2PyString(file);
- PyObject* cso = wx2PyString(file);
- PyObject* mso;
- if (msg != NULL)
- mso = wx2PyString(file);
- else {
- mso = Py_None; Py_INCREF(Py_None);
- }
- wxPyCBH_callCallback(m_myInst, Py_BuildValue("(OiOO)", fso, line, cso, mso));
- Py_DECREF(fso);
- Py_DECREF(cso);
- Py_DECREF(mso);
- }
- wxPyEndBlockThreads(blocked);
-
- // ...otherwise do our own thing with it
- if (! found) {
- // ignore it?
- if (m_assertMode & wxPYAPP_ASSERT_SUPPRESS)
- return;
-
- // turn it into a Python exception?
- if (m_assertMode & wxPYAPP_ASSERT_EXCEPTION) {
- wxString buf;
- buf.Alloc(4096);
- buf.Printf(wxT("C++ assertion \"%s\" failed at %s(%d)"), cond, file, line);
- if ( func && *func )
- buf << wxT(" in ") << func << wxT("()");
- if (msg != NULL)
- buf << wxT(": ") << msg;
-
-
- // set the exception
- wxPyBlock_t blocked = wxPyBeginBlockThreads();
- PyObject* s = wx2PyString(buf);
- PyErr_SetObject(wxPyAssertionError, s);
- Py_DECREF(s);
- wxPyEndBlockThreads(blocked);
-
- // Now when control returns to whatever API wrapper was called from
- // Python it should detect that an exception is set and will return
- // NULL, signalling the exception to Python.
- }
-
- // Send it to the normal log destination, but only if
- // not _DIALOG because it will call this too
- if ( (m_assertMode & wxPYAPP_ASSERT_LOG) && !(m_assertMode & wxPYAPP_ASSERT_DIALOG)) {
- wxString buf;
- buf.Alloc(4096);
- buf.Printf(wxT("%s(%d): assert \"%s\" failed"),
- file, line, cond);
- if ( func && *func )
- buf << wxT(" in ") << func << wxT("()");
- if (msg != NULL)
- buf << wxT(": ") << msg;
- wxLogDebug(buf);
- }
-
- // do the normal wx assert dialog?
- if (m_assertMode & wxPYAPP_ASSERT_DIALOG)
- wxApp::OnAssertFailure(file, line, func, cond, msg);
- }
-}
-#endif
-
- // For catching Apple Events
-void wxPyApp::MacOpenFile(const wxString &fileName)
-{
- wxPyBlock_t blocked = wxPyBeginBlockThreads();
- if (wxPyCBH_findCallback(m_myInst, "MacOpenFile")) {
- PyObject* s = wx2PyString(fileName);
- wxPyCBH_callCallback(m_myInst, Py_BuildValue("(O)", s));
- Py_DECREF(s);
- }
- wxPyEndBlockThreads(blocked);
-}
-
-void wxPyApp::MacOpenURL(const wxString &url)
-{
- wxPyBlock_t blocked = wxPyBeginBlockThreads();
- if (wxPyCBH_findCallback(m_myInst, "MacOpenURL")) {
- PyObject* s = wx2PyString(url);
- wxPyCBH_callCallback(m_myInst, Py_BuildValue("(O)", s));
- Py_DECREF(s);
- }
- wxPyEndBlockThreads(blocked);
-}
-
-void wxPyApp::MacPrintFile(const wxString &fileName)
-{
- wxPyBlock_t blocked = wxPyBeginBlockThreads();
- if (wxPyCBH_findCallback(m_myInst, "MacPrintFile")) {
- PyObject* s = wx2PyString(fileName);
- wxPyCBH_callCallback(m_myInst, Py_BuildValue("(O)", s));
- Py_DECREF(s);
- }
- wxPyEndBlockThreads(blocked);
-}
-
-void wxPyApp::MacNewFile()
-{
- wxPyBlock_t blocked = wxPyBeginBlockThreads();
- if (wxPyCBH_findCallback(m_myInst, "MacNewFile"))
- wxPyCBH_callCallback(m_myInst, Py_BuildValue("()"));
- wxPyEndBlockThreads(blocked);
-}
-
-void wxPyApp::MacReopenApp()
-{
- wxPyBlock_t blocked = wxPyBeginBlockThreads();
- if (wxPyCBH_findCallback(m_myInst, "MacReopenApp"))
- wxPyCBH_callCallback(m_myInst, Py_BuildValue("()"));
- wxPyEndBlockThreads(blocked);
-}
-
-
-/*static*/
-bool wxPyApp::GetMacSupportPCMenuShortcuts() {
- return 0;
-}
-
-/*static*/
-long wxPyApp::GetMacAboutMenuItemId() {
-#ifdef __WXMAC__
- return s_macAboutMenuItemId;
-#else
- return 0;
-#endif
-}
-
-/*static*/
-long wxPyApp::GetMacPreferencesMenuItemId() {
-#ifdef __WXMAC__
- return s_macPreferencesMenuItemId;
-#else
- return 0;
-#endif
-}
-
-/*static*/
-long wxPyApp::GetMacExitMenuItemId() {
-#ifdef __WXMAC__
- return s_macExitMenuItemId;
-#else
- return 0;
-#endif
-}
-
-/*static*/
-wxString wxPyApp::GetMacHelpMenuTitleName() {
-#ifdef __WXMAC__
- return s_macHelpMenuTitleName;
-#else
- return wxEmptyString;
-#endif
-}
-
-/*static*/
-void wxPyApp::SetMacSupportPCMenuShortcuts(bool) {
-}
-
-/*static*/
-void wxPyApp::SetMacAboutMenuItemId(long val) {
-#ifdef __WXMAC__
- s_macAboutMenuItemId = val;
-#endif
-}
-
-/*static*/
-void wxPyApp::SetMacPreferencesMenuItemId(long val) {
-#ifdef __WXMAC__
- s_macPreferencesMenuItemId = val;
-#endif
-}
-
-/*static*/
-void wxPyApp::SetMacExitMenuItemId(long val) {
-#ifdef __WXMAC__
- s_macExitMenuItemId = val;
-#endif
-}
-
-/*static*/
-void wxPyApp::SetMacHelpMenuTitleName(const wxString& val) {
-#ifdef __WXMAC__
- s_macHelpMenuTitleName = val;
-#endif
-}
-
-
-// This finishes the initialization of wxWindows and then calls the OnInit
-// that should be present in the derived (Python) class.
-void wxPyApp::_BootstrapApp()
-{
- static bool haveInitialized = false;
- bool result;
- wxPyBlock_t blocked;
- PyObject* retval = NULL;
- PyObject* pyint = NULL;
-
-
- // 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;
- blocked = wxPyBeginBlockThreads();
-
- PyObject* sysargv = PySys_GetObject("argv");
- PyObject* executable = PySys_GetObject("executable");
-
- if (sysargv != NULL && executable != NULL) {
- argc = PyList_Size(sysargv) + 1;
- argv = new char*[argc+1];
- argv[0] = strdup(PyString_AsString(executable));
- int x;
- for(x=1; x<argc; x++) {
- PyObject *pyArg = PyList_GetItem(sysargv, x-1);
- argv[x] = strdup(PyString_AsString(pyArg));
- }
- argv[argc] = NULL;
- }
- wxPyEndBlockThreads(blocked);
-
- // Initialize wxWidgets
- result = wxEntryStart(argc, argv);
- // wxApp takes ownership of the argv array, don't delete it here
-
- blocked = wxPyBeginBlockThreads();
- if (! result) {
- PyErr_SetString(PyExc_SystemError,
- "wxEntryStart failed, unable to initialize wxWidgets!"
-#ifdef __WXGTK__
- " (Is DISPLAY set properly?)"
-#endif
- );
- goto error;
- }
-
- // On wxGTK the locale will be changed to match the system settings,
- // but Python before 2.4 needs to have LC_NUMERIC set to "C" in order
- // for the floating point conversions and such to work right.
-#if defined(__WXGTK__) && PY_VERSION_HEX < 0x02040000
- setlocale(LC_NUMERIC, "C");
-#endif
-
-// wxSystemOptions::SetOption(wxT("mac.textcontrol-use-mlte"), 1);
-
- wxPyEndBlockThreads(blocked);
- haveInitialized = true;
- }
- else {
- this->argc = 0;
- this->argv = NULL;
- }
-
-
- // It's now ok to generate exceptions for assertion errors.
- wxPythonApp->SetStartupComplete(true);
-
-
- // Call the Python wxApp's OnPreInit and OnInit functions
- blocked = wxPyBeginBlockThreads();
- if (wxPyCBH_findCallback(m_myInst, "OnPreInit")) {
- PyObject* method = m_myInst.GetLastFound();
- PyObject* argTuple = PyTuple_New(0);
- retval = PyEval_CallObject(method, argTuple);
- m_myInst.clearRecursionGuard(method);
- Py_DECREF(argTuple);
- Py_DECREF(method);
- if (retval == NULL)
- goto error;
- }
- if (wxPyCBH_findCallback(m_myInst, "OnInit")) {
-
- PyObject* method = m_myInst.GetLastFound();
- PyObject* argTuple = PyTuple_New(0);
- retval = PyEval_CallObject(method, argTuple);
- m_myInst.clearRecursionGuard(method);
- Py_DECREF(argTuple);
- Py_DECREF(method);
- if (retval == NULL)
- // Don't PyErr_Print here, let the exception in this case go back
- // up to the wx.PyApp.__init__ scope.
- goto error;
-
- pyint = PyNumber_Int(retval);
- if (! pyint) {
- PyErr_SetString(PyExc_TypeError, "OnInit should return a boolean value");
- goto error;
- }
- result = PyInt_AS_LONG(pyint);
- }
- else {
- // Is it okay if there is no OnInit? Probably so...
- result = true;
- }
-
- if (! result) {
- PyErr_SetString(PyExc_SystemExit, "OnInit returned false, exiting...");
- }
-
- error:
- Py_XDECREF(retval);
- Py_XDECREF(pyint);
-
- wxPyEndBlockThreads(blocked);
-};
-
-//---------------------------------------------------------------------
-//----------------------------------------------------------------------
-
-
-#if 0
-static char* wxPyCopyCString(const wxChar* src)
-{
- wxWX2MBbuf buff = (wxWX2MBbuf)wxConvCurrent->cWX2MB(src);
- size_t len = strlen(buff);
- char* dest = new char[len+1];
- strcpy(dest, buff);
- return dest;
-}
-
-#if wxUSE_UNICODE
-static char* wxPyCopyCString(const char* src) // we need a char version too
-{
- size_t len = strlen(src);
- char* dest = new char[len+1];
- strcpy(dest, src);
- return dest;
-}
-#endif
-
-static wxChar* wxPyCopyWString(const char *src)
-{
- //wxMB2WXbuf buff = wxConvCurrent->cMB2WX(src);
- wxString str(src, *wxConvCurrent);
- return copystring(str);
-}
-
-#if wxUSE_UNICODE
-static wxChar* wxPyCopyWString(const wxChar *src)
-{
- return copystring(src);
-}
-#endif
-#endif
-
-
-inline const char* dropwx(const char* name) {
- if (name[0] == 'w' && name[1] == 'x')
- return name+2;
- else
- return name;
-}
-
-//----------------------------------------------------------------------
-
-// This function is called when the wx._core_ module is imported to do some
-// initial setup. (Before there is a wxApp object.) The rest happens in
-// wxPyApp::_BootstrapApp
-void __wxPyPreStart(PyObject* moduleDict)
-{
-
-#ifdef __WXMSW__
-// wxCrtSetDbgFlag(_CRTDBG_LEAK_CHECK_DF
-// | _CRTDBG_CHECK_ALWAYS_DF
-// | _CRTDBG_DELAY_FREE_MEM_DF
-// );
-#endif
-
-#ifdef WXP_WITH_THREAD
-#if wxPyUSE_GIL_STATE
- PyEval_InitThreads();
-#else
- PyEval_InitThreads();
- wxPyTStates = new wxPyThreadStateArray;
- wxPyTMutex = new wxMutex;
-
- // Save the current (main) thread state in our array
- PyThreadState* tstate = wxPyBeginAllowThreads();
- wxPyEndAllowThreads(tstate);
-#endif
-#endif
-
- // Ensure that the build options in the DLL (or whatever) match this build
- wxApp::CheckBuildOptions(WX_BUILD_OPTIONS_SIGNATURE, "wxPython");
-
- wxInitAllImageHandlers();
-}
-
-
-
-void __wxPyCleanup() {
- wxPyDoingCleanup = true;
- if (wxPyDoCleanup) {
- wxPyDoCleanup = false;
- wxEntryCleanup();
- }
-#ifdef WXP_WITH_THREAD
-#if !wxPyUSE_GIL_STATE
- delete wxPyTMutex;
- wxPyTMutex = NULL;
- wxPyTStates->Empty();
- delete wxPyTStates;
- wxPyTStates = NULL;
-#endif
-#endif
-}
-
-
-// Save a reference to the dictionary of the wx._core module, and inject
-// a few more things into it.
-PyObject* __wxPySetDictionary(PyObject* /* self */, PyObject* args)
-{
-
- if (!PyArg_ParseTuple(args, "O", &wxPython_dict))
- return NULL;
-
- if (!PyDict_Check(wxPython_dict)) {
- PyErr_SetString(PyExc_TypeError,
- "_wxPySetDictionary must have dictionary object!");
- return NULL;
- }
-
- if (! wxPyPtrTypeMap)
- wxPyPtrTypeMap = PyDict_New();
- PyDict_SetItemString(wxPython_dict, "__wxPyPtrTypeMap", wxPyPtrTypeMap);
-
- // Create an exception object to use for wxASSERTions
- wxPyAssertionError = PyErr_NewException("wx._core.PyAssertionError",
- PyExc_AssertionError, NULL);
- PyDict_SetItemString(wxPython_dict, "PyAssertionError", wxPyAssertionError);
-
- // Create an exception object to use when the app object hasn't been created yet
- wxPyNoAppError = PyErr_NewException("wx._core.PyNoAppError",
- PyExc_RuntimeError, NULL);
- PyDict_SetItemString(wxPython_dict, "PyNoAppError", wxPyNoAppError);
-
-
-
-#ifdef __WXMOTIF__
-#define wxPlatform "__WXMOTIF__"
-#define wxPlatName "wxMotif"
-#endif
-#ifdef __WXX11__
-#define wxPlatform "__WXX11__"
-#define wxPlatName "wxX11"
-#endif
-#ifdef __WXGTK__
-#define wxPlatform "__WXGTK__"
-#define wxPlatName "wxGTK"
-#endif
-#ifdef __WXMSW__
-#define wxPlatform "__WXMSW__"
-#define wxPlatName "wxMSW"
-#endif
-#ifdef __WXMAC__
-#define wxPlatform "__WXMAC__"
-#define wxPlatName "wxMac"
-#endif
-
-#ifdef __WXDEBUG__
- int wxdebug = 1;
-#else
- int wxdebug = 0;
-#endif
-
- // These should be deprecated in favor of the PlatformInfo tuple built below...
- PyDict_SetItemString(wxPython_dict, "Platform", PyString_FromString(wxPlatform));
- PyDict_SetItemString(wxPython_dict, "USE_UNICODE", PyInt_FromLong(wxUSE_UNICODE));
- PyDict_SetItemString(wxPython_dict, "__WXDEBUG__", PyInt_FromLong(wxdebug));
-
- // Make a tuple of strings that gives more info about the platform.
- PyObject* PlatInfo = PyList_New(0);
- PyObject* obj;
-
-#define _AddInfoString(st) \
- obj = PyString_FromString(st); \
- PyList_Append(PlatInfo, obj); \
- Py_DECREF(obj)
-
- _AddInfoString(wxPlatform);
- _AddInfoString(wxPlatName);
-#if wxUSE_UNICODE
- _AddInfoString("unicode");
-#else
- _AddInfoString("ansi");
-#endif
-#ifdef __WXGTK__
-#ifdef __WXGTK20__
- _AddInfoString("gtk2");
-#else
- _AddInfoString("gtk1");
-#endif
-#endif
-#ifdef __WXDEBUG__
- _AddInfoString("wx-assertions-on");
-#else
- _AddInfoString("wx-assertions-off");
-#endif
- _AddInfoString(wxPy_SWIG_VERSION);
-#ifdef __WXMAC__
- #if wxMAC_USE_CORE_GRAPHICS
- _AddInfoString("mac-cg");
- #else
- _AddInfoString("mac-qd");
- #endif
- #if wxMAC_USE_NATIVE_TOOLBAR
- _AddInfoString("mac-native-tb");
- #else
- _AddInfoString("mac-no-native-tb");
- #endif
-#endif
-
-#undef _AddInfoString
-
- PyObject* PlatInfoTuple = PyList_AsTuple(PlatInfo);
- Py_DECREF(PlatInfo);
- PyDict_SetItemString(wxPython_dict, "PlatformInfo", PlatInfoTuple);
-
- RETURN_NONE();
-}
-
-
-
-//---------------------------------------------------------------------------
-
-// Check for existence of a wxApp, setting an exception if there isn't one.
-// This doesn't need to aquire the GIL because it should only be called from
-// an %exception before the lock is released.
-
-bool wxPyCheckForApp() {
- if (wxTheApp != NULL)
- return true;
- else {
- PyErr_SetString(wxPyNoAppError, "The wx.App object must be created first!");
- return false;
- }
-}
-
-//---------------------------------------------------------------------------
-
-void wxPyUserData_dtor(wxPyUserData* self) {
- if (! wxPyDoingCleanup) {
- wxPyBlock_t blocked = wxPyBeginBlockThreads();
- Py_DECREF(self->m_obj);
- self->m_obj = NULL;
- wxPyEndBlockThreads(blocked);
- }
-}
-
-
-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) {
- wxPyBlock_t blocked = wxPyBeginBlockThreads();
- Py_DECREF(self->m_obj);
- wxPyEndBlockThreads(blocked);
- }
- self->m_obj = NULL;
- }
-}
-
-
-
-// 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
-// wxPython when a python shadow object attempts to call a C++ method using
-// the now bogus pointer... So to try and prevent this we'll do a little black
-// magic and change the class of the python instance to a class that will
-// raise an exception for any attempt to call methods with it. See
-// _wxPyDeadObject in _core_ex.py for the implementation of this class.
-void wxPyOORClientData_dtor(wxPyOORClientData* self) {
-
- static PyObject* deadObjectClass = NULL;
-
- wxPyBlock_t blocked = wxPyBeginBlockThreads();
- if (deadObjectClass == NULL) {
- deadObjectClass = PyDict_GetItemString(wxPython_dict, "_wxPyDeadObject");
- // TODO: Can not wxASSERT here because inside a wxPyBeginBlock Threads,
- // will lead to a deadlock when it tries to aquire the GIL again.
- //wxASSERT_MSG(deadObjectClass != NULL, wxT("Can't get _wxPyDeadObject class!"));
- Py_INCREF(deadObjectClass);
- }
-
-
- // 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!?!?!"));
-
- // Call __del__, if there is one.
- PyObject* func = PyObject_GetAttrString(self->m_obj, "__del__");
- if (func) {
- PyObject* rv = PyObject_CallMethod(self->m_obj, "__del__", NULL);
- Py_XDECREF(rv);
- Py_DECREF(func);
- }
- if (PyErr_Occurred())
- PyErr_Clear(); // just ignore it for now
-
-
- PyObject* dict = PyObject_GetAttrString(self->m_obj, "__dict__");
- if (dict) {
- // Clear the instance's dictionary
- PyDict_Clear(dict);
-
- // put the name of the old class into the instance, and then reset the
- // class to be the dead class.
- PyObject* klass = PyObject_GetAttrString(self->m_obj, "__class__");
- PyObject* name = PyObject_GetAttrString(klass, "__name__");
- PyDict_SetItemString(dict, "_name", name);
- PyObject_SetAttrString(self->m_obj, "__class__", deadObjectClass);
- //Py_INCREF(deadObjectClass);
- Py_DECREF(klass);
- Py_DECREF(name);
- Py_DECREF(dict);
- }
- }
-
- // m_obj is DECREF'd in the base class dtor...
- wxPyEndBlockThreads(blocked);
-}
-
-
-//---------------------------------------------------------------------------
-// Stuff used by OOR to find the right wxPython class type to return and to
-// build it.
-
-
-// The pointer type map is used when the "pointer" type name generated by SWIG
-// is not the same as the shadow class name, for example wxPyTreeCtrl
-// vs. wxTreeCtrl. It needs to be referenced in Python as well as from C++,
-// so we'll just make it a Python dictionary in the wx module's namespace.
-// (See __wxSetDictionary)
-void wxPyPtrTypeMap_Add(const char* commonName, const char* ptrName) {
- if (! wxPyPtrTypeMap)
- wxPyPtrTypeMap = PyDict_New();
- PyDict_SetItemString(wxPyPtrTypeMap,
- (char*)commonName,
- PyString_FromString((char*)ptrName));
-}
-
-
-
-
-PyObject* wxPyMake_wxObject(wxObject* source, bool setThisOwn, bool checkEvtHandler) {
- PyObject* target = NULL;
- bool isEvtHandler = false;
- bool isSizer = false;
-
- if (source) {
- // If it's derived from wxEvtHandler then there may
- // already be a pointer to a Python object that we can use
- // in the OOR data.
- if (checkEvtHandler && wxIsKindOf(source, wxEvtHandler)) {
- isEvtHandler = true;
- wxEvtHandler* eh = (wxEvtHandler*)source;
- wxPyOORClientData* data = (wxPyOORClientData*)eh->GetClientObject();
- if (data) {
- target = data->m_obj;
- if (target)
- Py_INCREF(target);
- }
- }
-
- // Also check for wxSizer
- if (!target && wxIsKindOf(source, wxSizer)) {
- isSizer = true;
- wxSizer* sz = (wxSizer*)source;
- wxPyOORClientData* data = (wxPyOORClientData*)sz->GetClientObject();
- if (data) {
- target = data->m_obj;
- if (target)
- Py_INCREF(target);
- }
- }
-
- if (! target) {
- // Otherwise make it the old fashioned way by making a new shadow
- // object and putting this pointer in it. Look up the class
- // heirarchy until we find a class name that is located in the
- // python module.
- const wxClassInfo* info = source->GetClassInfo();
- wxString name = info->GetClassName();
- bool exists = wxPyCheckSwigType(name);
- while (info && !exists) {
- info = info->GetBaseClass1();
- name = info->GetClassName();
- exists = wxPyCheckSwigType(name);
- }
- if (info) {
- target = wxPyConstructObject((void*)source, name, setThisOwn);
- if (target && isEvtHandler)
- ((wxEvtHandler*)source)->SetClientObject(new wxPyOORClientData(target));
- if (target && isSizer)
- ((wxSizer*)source)->SetClientObject(new wxPyOORClientData(target));
- } else {
- wxString msg(wxT("wxPython class not found for "));
- msg += source->GetClassInfo()->GetClassName();
- PyErr_SetString(PyExc_NameError, msg.mbc_str());
- target = NULL;
- }
- }
- } else { // source was NULL so return None.
- Py_INCREF(Py_None); target = Py_None;
- }
- return target;
-}
-
-
-PyObject* wxPyMake_wxSizer(wxSizer* source, bool setThisOwn) {
-
- return wxPyMake_wxObject(source, setThisOwn);
-}
-
-
-//---------------------------------------------------------------------------
-
-
-#ifdef WXP_WITH_THREAD
-#if !wxPyUSE_GIL_STATE
-
-inline
-unsigned long wxPyGetCurrentThreadId() {
- return wxThread::GetCurrentId();
-}
-
-static wxPyThreadState gs_shutdownTState;
-
-static
-wxPyThreadState* wxPyGetThreadState() {
- if (wxPyTMutex == NULL) // Python is shutting down...
- return &gs_shutdownTState;
-
- unsigned long ctid = wxPyGetCurrentThreadId();
- wxPyThreadState* tstate = NULL;
-
- wxPyTMutex->Lock();
- for(size_t i=0; i < wxPyTStates->GetCount(); i++) {
- wxPyThreadState& info = wxPyTStates->Item(i);
- if (info.tid == ctid) {
- tstate = &info;
- break;
- }
- }
- wxPyTMutex->Unlock();
- wxASSERT_MSG(tstate, wxT("PyThreadState should not be NULL!"));
- return tstate;
-}
-
-
-static
-void wxPySaveThreadState(PyThreadState* tstate) {
- if (wxPyTMutex == NULL) { // Python is shutting down, assume a single thread...
- gs_shutdownTState.tstate = tstate;
- return;
- }
- unsigned long ctid = wxPyGetCurrentThreadId();
- wxPyTMutex->Lock();
- for(size_t i=0; i < wxPyTStates->GetCount(); i++) {
- wxPyThreadState& info = wxPyTStates->Item(i);
- if (info.tid == ctid) {
-#if 0
- if (info.tstate != tstate)
- wxLogMessage("*** tstate mismatch!???");
-#endif
- info.tstate = tstate; // allow for transient tstates
- // Normally it will never change, but apparently COM callbacks
- // (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;
- }
- }
- // not found, so add it...
- wxPyTStates->Add(new wxPyThreadState(ctid, tstate));
- wxPyTMutex->Unlock();
-}
-
-#endif
-#endif
-
-
-
-// Calls from Python to wxWindows code are wrapped in calls to these
-// functions:
-
-PyThreadState* wxPyBeginAllowThreads() {
-#ifdef WXP_WITH_THREAD
- PyThreadState* saved = PyEval_SaveThread(); // Py_BEGIN_ALLOW_THREADS;
-#if !wxPyUSE_GIL_STATE
- wxPySaveThreadState(saved);
-#endif
- return saved;
-#else
- return NULL;
-#endif
-}
-
-void wxPyEndAllowThreads(PyThreadState* saved) {
-#ifdef WXP_WITH_THREAD
- PyEval_RestoreThread(saved); // Py_END_ALLOW_THREADS;
-#endif
-}
-
-
-
-// Calls from wxWindows back to Python code, or even any PyObject
-// manipulations, PyDECREF's and etc. are wrapped in calls to these functions:
-
-wxPyBlock_t wxPyBeginBlockThreads() {
-#ifdef WXP_WITH_THREAD
- if (! Py_IsInitialized()) {
- return (wxPyBlock_t)0;
- }
-#if wxPyUSE_GIL_STATE
- PyGILState_STATE state = PyGILState_Ensure();
- return state;
-#else
- PyThreadState *current = _PyThreadState_Current;
-
- // Only block if there wasn't already a tstate, or if the current one is
- // not the one we are wanting to change to. This should prevent deadlock
- // if there are nested calls to wxPyBeginBlockThreads
- wxPyBlock_t blocked = false;
- wxPyThreadState* tstate = wxPyGetThreadState();
- if (current != tstate->tstate) {
- PyEval_RestoreThread(tstate->tstate);
- blocked = true;
- }
- return blocked;
-#endif
-#else
- return (wxPyBlock_t)0;
-#endif
-}
-
-
-void wxPyEndBlockThreads(wxPyBlock_t blocked) {
-#ifdef WXP_WITH_THREAD
- if (! Py_IsInitialized()) {
- return;
- }
-#if wxPyUSE_GIL_STATE
- PyGILState_Release(blocked);
-#else
- // Only unblock if we blocked in the last call to wxPyBeginBlockThreads.
- // The value of blocked passed in needs to be the same as that returned
- // from wxPyBeginBlockThreads at the same nesting level.
- if ( blocked ) {
- PyEval_SaveThread();
- }
-#endif
-#endif
-}
-
-
-//---------------------------------------------------------------------------
-// wxPyInputStream and wxPyCBInputStream methods
-
-
-static PyObject* wxPyGetMethod(PyObject* py, char* name)
-{
- if (!PyObject_HasAttrString(py, name))
- return NULL;
- PyObject* o = PyObject_GetAttrString(py, name);
- if (!PyMethod_Check(o) && !PyCFunction_Check(o)) {
- Py_DECREF(o);
- return NULL;
- }
- return o;
-}
-
-
-
-
-void wxPyInputStream::close() {
- /* do nothing for now */
-}
-
-void wxPyInputStream::flush() {
- /* do nothing for now */
-}
-
-bool wxPyInputStream::eof() {
- if (m_wxis)
- return m_wxis->Eof();
- else
- return true;
-}
-
-wxPyInputStream::~wxPyInputStream() {
- if (m_wxis)
- delete m_wxis;
-}
-
-
-
-
-PyObject* wxPyInputStream::read(int size) {
- PyObject* obj = NULL;
- wxMemoryBuffer buf;
- const int BUFSIZE = 1024;
-
- // check if we have a real wxInputStream to work with
- if (!m_wxis) {
- wxPyBlock_t blocked = wxPyBeginBlockThreads();
- PyErr_SetString(PyExc_IOError, "no valid C-wxInputStream");
- wxPyEndBlockThreads(blocked);
- return NULL;
- }
-
- if (size < 0) {
- // read while bytes are available on the stream
- while ( m_wxis->CanRead() ) {
- m_wxis->Read(buf.GetAppendBuf(BUFSIZE), BUFSIZE);
- buf.UngetAppendBuf(m_wxis->LastRead());
- }
-
- } else { // Read only size number of characters
- m_wxis->Read(buf.GetWriteBuf(size), size);
- buf.UngetWriteBuf(m_wxis->LastRead());
- }
-
- // error check
- wxPyBlock_t blocked = wxPyBeginBlockThreads();
- wxStreamError err = m_wxis->GetLastError();
- if (err != wxSTREAM_NO_ERROR && err != wxSTREAM_EOF) {
- PyErr_SetString(PyExc_IOError,"IOError in wxInputStream");
- }
- else {
- // We use only strings for the streams, not unicode
- obj = PyString_FromStringAndSize(buf, buf.GetDataLen());
- }
- wxPyEndBlockThreads(blocked);
- return obj;
-}
-
-
-PyObject* wxPyInputStream::readline(int size) {
- PyObject* obj = NULL;
- wxMemoryBuffer buf;
- int i;
- char ch;
-
- // check if we have a real wxInputStream to work with
- if (!m_wxis) {
- wxPyBlock_t blocked = wxPyBeginBlockThreads();
- PyErr_SetString(PyExc_IOError,"no valid C-wxInputStream");
- wxPyEndBlockThreads(blocked);
- return NULL;
- }
-
- // read until \n or byte limit reached
- for (i=ch=0; (ch != '\n') && (m_wxis->CanRead()) && ((size < 0) || (i < size)); i++) {
- ch = m_wxis->GetC();
- buf.AppendByte(ch);
- }
-
- // errorcheck
- wxPyBlock_t blocked = wxPyBeginBlockThreads();
- wxStreamError err = m_wxis->GetLastError();
- if (err != wxSTREAM_NO_ERROR && err != wxSTREAM_EOF) {
- PyErr_SetString(PyExc_IOError,"IOError in wxInputStream");
- }
- else {
- // We use only strings for the streams, not unicode
- obj = PyString_FromStringAndSize((char*)buf.GetData(), buf.GetDataLen());
- }
- wxPyEndBlockThreads(blocked);
- return obj;
-}
-
-
-PyObject* wxPyInputStream::readlines(int sizehint) {
- PyObject* pylist;
-
- // check if we have a real wxInputStream to work with
- if (!m_wxis) {
- wxPyBlock_t blocked = wxPyBeginBlockThreads();
- PyErr_SetString(PyExc_IOError,"no valid C-wxInputStream");
- wxPyEndBlockThreads(blocked);
- return NULL;
- }
-
- // init list
- wxPyBlock_t blocked = wxPyBeginBlockThreads();
- pylist = PyList_New(0);
- wxPyEndBlockThreads(blocked);
-
- if (!pylist) {
- wxPyBlock_t blocked = wxPyBeginBlockThreads();
- PyErr_NoMemory();
- wxPyEndBlockThreads(blocked);
- return NULL;
- }
-
- // read sizehint bytes or until EOF
- int i;
- for (i=0; (m_wxis->CanRead()) && ((sizehint < 0) || (i < sizehint));) {
- PyObject* s = this->readline();
- if (s == NULL) {
- wxPyBlock_t blocked = wxPyBeginBlockThreads();
- Py_DECREF(pylist);
- wxPyEndBlockThreads(blocked);
- return NULL;
- }
- wxPyBlock_t blocked = wxPyBeginBlockThreads();
- PyList_Append(pylist, s);
- i += PyString_Size(s);
- wxPyEndBlockThreads(blocked);
- }
-
- // error check
- wxStreamError err = m_wxis->GetLastError();
- if (err != wxSTREAM_NO_ERROR && err != wxSTREAM_EOF) {
- wxPyBlock_t blocked = wxPyBeginBlockThreads();
- Py_DECREF(pylist);
- PyErr_SetString(PyExc_IOError,"IOError in wxInputStream");
- wxPyEndBlockThreads(blocked);
- return NULL;
- }
-
- return pylist;
-}
-
-
-void wxPyInputStream::seek(int offset, int whence) {
- if (m_wxis)
- m_wxis->SeekI(offset, wxSeekMode(whence));
-}
-
-int wxPyInputStream::tell() {
- if (m_wxis)
- return m_wxis->TellI();
- else return 0;
-}
-
-
-
-
-wxPyCBInputStream::wxPyCBInputStream(PyObject *r, PyObject *s, PyObject *t, bool 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() {
- wxPyBlock_t blocked = wxPyBlock_t_default;
- if (m_block) blocked = wxPyBeginBlockThreads();
- Py_XDECREF(m_read);
- Py_XDECREF(m_seek);
- Py_XDECREF(m_tell);
- if (m_block) wxPyEndBlockThreads(blocked);
-}
-
-
-wxPyCBInputStream* wxPyCBInputStream::create(PyObject *py, bool block) {
- wxPyBlock_t blocked = wxPyBlock_t_default;
- if (block) blocked = wxPyBeginBlockThreads();
-
- PyObject* read = wxPyGetMethod(py, "read");
- PyObject* seek = wxPyGetMethod(py, "seek");
- PyObject* tell = wxPyGetMethod(py, "tell");
-
- if (!read) {
- PyErr_SetString(PyExc_TypeError, "Not a file-like object");
- Py_XDECREF(read);
- Py_XDECREF(seek);
- Py_XDECREF(tell);
- if (block) wxPyEndBlockThreads(blocked);
- return NULL;
- }
-
- if (block) wxPyEndBlockThreads(blocked);
- return new wxPyCBInputStream(read, seek, tell, block);
-}
-
-
-wxPyCBInputStream* wxPyCBInputStream_create(PyObject *py, bool block) {
- return wxPyCBInputStream::create(py, block);
-}
-
-wxPyCBInputStream* wxPyCBInputStream_copy(wxPyCBInputStream* other) {
- return new wxPyCBInputStream(*other);
-}
-
-
-wxFileOffset wxPyCBInputStream::GetLength() const {
- wxPyCBInputStream* self = (wxPyCBInputStream*)this; // cast off const
- if (m_seek && m_tell) {
- wxFileOffset temp = self->OnSysTell();
- wxFileOffset ret = self->OnSysSeek(0, wxFromEnd);
- self->OnSysSeek(temp, wxFromStart);
- return ret;
- }
- else
- return wxInvalidOffset;
-}
-
-
-size_t wxPyCBInputStream::OnSysRead(void *buffer, size_t bufsize) {
- if (bufsize == 0)
- return 0;
-
- wxPyBlock_t blocked = wxPyBeginBlockThreads();
- PyObject* arglist = Py_BuildValue("(i)", bufsize);
- PyObject* result = PyEval_CallObject(m_read, arglist);
- Py_DECREF(arglist);
-
- size_t o = 0;
- if ((result != NULL) && PyString_Check(result)) {
- o = PyString_Size(result);
- if (o == 0)
- m_lasterror = wxSTREAM_EOF;
- if (o > bufsize)
- o = bufsize;
- memcpy((char*)buffer, PyString_AsString(result), o); // strings only, not unicode...
- Py_DECREF(result);
-
- }
- else
- m_lasterror = wxSTREAM_READ_ERROR;
- wxPyEndBlockThreads(blocked);
- return o;
-}
-
-size_t wxPyCBInputStream::OnSysWrite(const void *buffer, size_t bufsize) {
- m_lasterror = wxSTREAM_WRITE_ERROR;
- return 0;
-}
-
-
-wxFileOffset wxPyCBInputStream::OnSysSeek(wxFileOffset off, wxSeekMode mode) {
- wxPyBlock_t blocked = wxPyBeginBlockThreads();
- PyObject* arglist = PyTuple_New(2);
-
- if (sizeof(wxFileOffset) > sizeof(long))
- // wxFileOffset is a 64-bit value...
- PyTuple_SET_ITEM(arglist, 0, PyLong_FromLongLong(off));
- else
- PyTuple_SET_ITEM(arglist, 0, PyInt_FromLong(off));
-
- PyTuple_SET_ITEM(arglist, 1, PyInt_FromLong(mode));
-
-
- PyObject* result = PyEval_CallObject(m_seek, arglist);
- Py_DECREF(arglist);
- Py_XDECREF(result);
- wxPyEndBlockThreads(blocked);
- return OnSysTell();
-}
-
-
-wxFileOffset wxPyCBInputStream::OnSysTell() const {
- wxPyBlock_t blocked = wxPyBeginBlockThreads();
- PyObject* arglist = Py_BuildValue("()");
- PyObject* result = PyEval_CallObject(m_tell, arglist);
- Py_DECREF(arglist);
- wxFileOffset o = 0;
- if (result != NULL) {
- if (PyLong_Check(result))
- o = PyLong_AsLongLong(result);
- else
- o = PyInt_AsLong(result);
- Py_DECREF(result);
- };
- wxPyEndBlockThreads(blocked);
- return o;
-}
-
-//----------------------------------------------------------------------
-// Output stream
-
-wxPyOutputStream::~wxPyOutputStream()
-{
- if (m_wxos)
- delete m_wxos;
-}
-
-void wxPyOutputStream::close()
-{
-}
-
-void wxPyOutputStream::flush()
-{
-}
-
-bool wxPyOutputStream::eof()
-{
- return false;
-}
-
-void wxPyOutputStream::seek(int offset, int whence)
-{
- if (m_wxos)
- m_wxos->SeekO(offset, wxSeekMode(whence));
-}
-
-int wxPyOutputStream::tell()
-{
- if (m_wxos)
- return m_wxos->TellO();
- else return 0;
-}
-
-void wxPyOutputStream::write(PyObject* data)
-{
- if (!m_wxos)
- return;
-
- // We use only strings for the streams, not unicode
- PyObject* str = PyObject_Str(data);
- if (! str) {
- PyErr_SetString(PyExc_TypeError, "Unable to convert to string");
- return;
- }
- m_wxos->Write(PyString_AS_STRING(str), PyString_GET_SIZE(str));
- Py_DECREF(str);
-}
-
-
-
-
-
-
-wxPyCBOutputStream::wxPyCBOutputStream(PyObject *w, PyObject *s, PyObject *t, bool block)
- : wxOutputStream(), m_write(w), m_seek(s), m_tell(t), m_block(block)
-{}
-
-wxPyCBOutputStream::wxPyCBOutputStream(const wxPyCBOutputStream& other)
-{
- m_write = other.m_write;
- m_seek = other.m_seek;
- m_tell = other.m_tell;
- m_block = other.m_block;
- Py_INCREF(m_write);
- Py_INCREF(m_seek);
- Py_INCREF(m_tell);
-}
-
-
-wxPyCBOutputStream::~wxPyCBOutputStream() {
- wxPyBlock_t blocked = wxPyBlock_t_default;
- if (m_block) blocked = wxPyBeginBlockThreads();
- Py_XDECREF(m_write);
- Py_XDECREF(m_seek);
- Py_XDECREF(m_tell);
- if (m_block) wxPyEndBlockThreads(blocked);
-}
-
-
-wxPyCBOutputStream* wxPyCBOutputStream::create(PyObject *py, bool block) {
- wxPyBlock_t blocked = wxPyBlock_t_default;
- if (block) blocked = wxPyBeginBlockThreads();
-
- PyObject* write = wxPyGetMethod(py, "write");
- PyObject* seek = wxPyGetMethod(py, "seek");
- PyObject* tell = wxPyGetMethod(py, "tell");
-
- if (!write) {
- PyErr_SetString(PyExc_TypeError, "Not a file-like object");
- Py_XDECREF(write);
- Py_XDECREF(seek);
- Py_XDECREF(tell);
- if (block) wxPyEndBlockThreads(blocked);
- return NULL;
- }
-
- if (block) wxPyEndBlockThreads(blocked);
- return new wxPyCBOutputStream(write, seek, tell, block);
-}
-
-
-wxPyCBOutputStream* wxPyCBOutputStream_create(PyObject *py, bool block) {
- return wxPyCBOutputStream::create(py, block);
-}
-
-wxPyCBOutputStream* wxPyCBOutputStream_copy(wxPyCBOutputStream* other) {
- return new wxPyCBOutputStream(*other);
-}
-
-
-wxFileOffset wxPyCBOutputStream::GetLength() const {
- wxPyCBOutputStream* self = (wxPyCBOutputStream*)this; // cast off const
- if (m_seek && m_tell) {
- wxFileOffset temp = self->OnSysTell();
- wxFileOffset ret = self->OnSysSeek(0, wxFromEnd);
- self->OnSysSeek(temp, wxFromStart);
- return ret;
- }
- else
- return wxInvalidOffset;
-}
-
-
-size_t wxPyCBOutputStream::OnSysRead(void *buffer, size_t bufsize) {
- m_lasterror = wxSTREAM_READ_ERROR;
- return 0;
-}
-
-size_t wxPyCBOutputStream::OnSysWrite(const void *buffer, size_t bufsize) {
- if (bufsize == 0)
- return 0;
-
- wxPyBlock_t blocked = wxPyBeginBlockThreads();
- PyObject* arglist = PyTuple_New(1);
- PyTuple_SET_ITEM(arglist, 0, PyString_FromStringAndSize((char*)buffer, bufsize));
-
- PyObject* result = PyEval_CallObject(m_write, arglist);
- Py_DECREF(arglist);
-
- if (result != NULL)
- Py_DECREF(result);
- else
- m_lasterror = wxSTREAM_WRITE_ERROR;
- wxPyEndBlockThreads(blocked);
- return bufsize;
-}
-
-
-wxFileOffset wxPyCBOutputStream::OnSysSeek(wxFileOffset off, wxSeekMode mode) {
- wxPyBlock_t blocked = wxPyBeginBlockThreads();
- PyObject* arglist = PyTuple_New(2);
-
- if (sizeof(wxFileOffset) > sizeof(long))
- // wxFileOffset is a 64-bit value...
- PyTuple_SET_ITEM(arglist, 0, PyLong_FromLongLong(off));
- else
- PyTuple_SET_ITEM(arglist, 0, PyInt_FromLong(off));
-
- PyTuple_SET_ITEM(arglist, 1, PyInt_FromLong(mode));
-
-
- PyObject* result = PyEval_CallObject(m_seek, arglist);
- Py_DECREF(arglist);
- Py_XDECREF(result);
- wxPyEndBlockThreads(blocked);
- return OnSysTell();
-}
-
-
-wxFileOffset wxPyCBOutputStream::OnSysTell() const {
- wxPyBlock_t blocked = wxPyBeginBlockThreads();
- PyObject* arglist = Py_BuildValue("()");
- PyObject* result = PyEval_CallObject(m_tell, arglist);
- Py_DECREF(arglist);
- wxFileOffset o = 0;
- if (result != NULL) {
- if (PyLong_Check(result))
- o = PyLong_AsLongLong(result);
- else
- o = PyInt_AsLong(result);
- Py_DECREF(result);
- };
- wxPyEndBlockThreads(blocked);
- return o;
-}
-
-
-
-//----------------------------------------------------------------------
-
-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() {
- wxPyBlock_t blocked = wxPyBeginBlockThreads();
- Py_DECREF(m_func);
- wxPyEndBlockThreads(blocked);
-}
-
-
-#define wxPy_PRECALLINIT "_preCallInit"
-#define wxPy_POSTCALLCLEANUP "_postCallCleanup"
-
-// 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 checkSkip = false;
-
- wxPyBlock_t blocked = wxPyBeginBlockThreads();
- wxString className = event.GetClassInfo()->GetClassName();
-
- // If the event is one of these types then pass the original
- // event object instead of the one passed to us.
- if ( className == wxT("wxPyEvent") ) {
- arg = ((wxPyEvent*)&event)->GetSelf();
- checkSkip = ((wxPyEvent*)&event)->GetCloned();
- }
- else if ( className == wxT("wxPyCommandEvent") ) {
- arg = ((wxPyCommandEvent*)&event)->GetSelf();
- checkSkip = ((wxPyCommandEvent*)&event)->GetCloned();
- }
- else {
- arg = wxPyConstructObject((void*)&event, className);
- }
-
- if (!arg) {
- PyErr_Print();
- } else {
- // "intern" the pre/post method names to speed up the HasAttr
- static PyObject* s_preName = NULL;
- static PyObject* s_postName = NULL;
- if (s_preName == NULL) {
- 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);
- if ( result ) {
- Py_DECREF(result); // result is ignored, but we still need to decref it
- 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
- result = PyEval_CallObject(func, tuple);
- if ( result ) {
- Py_DECREF(result); // result is ignored, but we still need to decref it
- PyErr_Clear(); // Just in case...
- } else {
- PyErr_Print();
- }
-
- // Check if the event object needs some post cleanup
- if (PyObject_HasAttr(arg, s_postName)) {
- result = PyObject_CallMethodObjArgs(arg, s_postName, arg, NULL);
- if ( result ) {
- Py_DECREF(result); // result is ignored, but we still need to decref it
- PyErr_Clear(); // Just in case...
- } else {
- PyErr_Print();
- }
- }
-
- if ( checkSkip ) {
- // if the event object was one of our special types and
- // it had been cloned, then we need to extract the Skipped
- // value from the original and set it in the clone.
- result = PyObject_CallMethod(arg, "GetSkipped", "");
- if ( result ) {
- event.Skip(PyInt_AsLong(result));
- Py_DECREF(result);
- } else {
- PyErr_Print();
- }
- }
- Py_DECREF(tuple);
- }
- wxPyEndBlockThreads(blocked);
-}
-
-
-//----------------------------------------------------------------------
-
-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* klass, int incref) {
- m_self = self;
- m_class = klass;
- m_incRef = incref;
- if (incref) {
- Py_INCREF(m_self);
- Py_INCREF(m_class);
- }
-}
-
-
-#if PYTHON_API_VERSION >= 1011
-
-// Prior to Python 2.2 PyMethod_GetClass returned the class object
-// in which the method was defined. Starting with 2.2 it returns
-// "class that asked for the method" which seems totally bogus to me
-// but apprently it fixes some obscure problem waiting to happen in
-// Python. Since the API was not documented Guido and the gang felt
-// safe in changing it. Needless to say that totally screwed up the
-// logic below in wxPyCallbackHelper::findCallback, hence this icky
-// code to find the class where the method is actually defined...
-
-static
-PyObject* PyFindClassWithAttr(PyObject *klass, PyObject *name)
-{
- int i, n;
-
- if (PyType_Check(klass)) { // new style classes
- // This code is borrowed/adapted from _PyType_Lookup in typeobject.c
- PyTypeObject* type = (PyTypeObject*)klass;
- PyObject *mro, *res, *base, *dict;
- /* Look in tp_dict of types in MRO */
- mro = type->tp_mro;
- assert(PyTuple_Check(mro));
- n = PyTuple_GET_SIZE(mro);
- for (i = 0; i < n; i++) {
- base = PyTuple_GET_ITEM(mro, i);
- if (PyClass_Check(base))
- dict = ((PyClassObject *)base)->cl_dict;
- else {
- assert(PyType_Check(base));
- dict = ((PyTypeObject *)base)->tp_dict;
- }
- assert(dict && PyDict_Check(dict));
- res = PyDict_GetItem(dict, name);
- if (res != NULL)
- return base;
- }
- return NULL;
- }
-
- else if (PyClass_Check(klass)) { // old style classes
- // This code is borrowed/adapted from class_lookup in classobject.c
- PyClassObject* cp = (PyClassObject*)klass;
- PyObject *value = PyDict_GetItem(cp->cl_dict, name);
- if (value != NULL) {
- return (PyObject*)cp;
- }
- n = PyTuple_Size(cp->cl_bases);
- for (i = 0; i < n; i++) {
- PyObject* base = PyTuple_GetItem(cp->cl_bases, i);
- PyObject *v = PyFindClassWithAttr(base, name);
- if (v != NULL)
- return v;
- }
- return NULL;
- }
- return NULL;
-}
-#endif
-
-
-static
-PyObject* PyMethod_GetDefiningClass(PyObject* method, PyObject* nameo)
-{
- PyObject* mgc = PyMethod_GET_CLASS(method);
-
-#if PYTHON_API_VERSION <= 1010 // prior to Python 2.2, the easy way
- return mgc;
-#else // 2.2 and after, the hard way...
- return PyFindClassWithAttr(mgc, nameo);
-#endif
-}
-
-
-
-// To avoid recursion when an overridden virtual method wants to call the base
-// class version, temporarily set an attribute in the instance with the same
-// name as the method. Then the PyObject_GetAttr in the next findCallback
-// will return this attribute and the PyMethod_Check will fail.
-
-void wxPyCallbackHelper::setRecursionGuard(PyObject* method) const
-{
- PyFunctionObject* func = (PyFunctionObject*)PyMethod_Function(method);
- PyObject_SetAttr(m_self, func->func_name, Py_None);
-}
-
-void wxPyCallbackHelper::clearRecursionGuard(PyObject* method) const
-{
- PyFunctionObject* func = (PyFunctionObject*)PyMethod_Function(method);
- if (PyObject_HasAttr(m_self, func->func_name)) {
- PyObject_DelAttr(m_self, func->func_name);
- }
-}
-
-// bool wxPyCallbackHelper::hasRecursionGuard(PyObject* method) const
-// {
-// PyFunctionObject* func = (PyFunctionObject*)PyMethod_Function(method);
-// if (PyObject_HasAttr(m_self, func->func_name)) {
-// PyObject* attr = PyObject_GetAttr(m_self, func->func_name);
-// bool retval = (attr == Py_None);
-// Py_DECREF(attr);
-// return retval;
-// }
-// return false;
-// }
-
-
-bool wxPyCallbackHelper::findCallback(const char* name, bool setGuard) const {
- wxPyCallbackHelper* self = (wxPyCallbackHelper*)this; // cast away const
- PyObject *method, *klass;
- PyObject* nameo = PyString_FromString(name);
- self->m_lastFound = NULL;
-
- // If the object (m_self) has an attibute of the given name...
- if (m_self && PyObject_HasAttr(m_self, nameo)) {
- method = PyObject_GetAttr(m_self, nameo);
-
- // ...and if that attribute is a method, and if that method's class is
- // not from the registered class or a base class...
- if (PyMethod_Check(method) &&
- (klass = PyMethod_GetDefiningClass(method, nameo)) != NULL &&
- (klass != m_class) &&
- PyObject_IsSubclass(klass, m_class)) {
-
- // ...then we'll save a pointer to the method so callCallback can
- // call it. But first, set a recursion guard in case the
- // overridden method wants to call the base class version.
- if (setGuard)
- setRecursionGuard(method);
- self->m_lastFound = method;
- }
- else {
- Py_DECREF(method);
- }
- }
-
- Py_DECREF(nameo);
- 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 manage the GIL.
-PyObject* wxPyCallbackHelper::callCallbackObj(PyObject* argTuple) const {
- PyObject* result;
-
- // Save a copy of the pointer in case the callback generates another
- // callback. In that case m_lastFound will have a different value when
- // it gets back here...
- PyObject* method = m_lastFound;
-
- result = PyEval_CallObject(method, argTuple);
- clearRecursionGuard(method);
-
- Py_DECREF(argTuple);
- Py_DECREF(method);
- if (!result) {
- PyErr_Print();
- }
- return result;
-}
-
-
-void wxPyCBH_setCallbackInfo(wxPyCallbackHelper& cbh, PyObject* self, PyObject* klass, int incref) {
- cbh.setSelf(self, klass, incref);
-}
-
-bool wxPyCBH_findCallback(const wxPyCallbackHelper& cbh, const char* name, bool setGuard) {
- return cbh.findCallback(name, setGuard);
-}
-
-int wxPyCBH_callCallback(const wxPyCallbackHelper& cbh, PyObject* argTuple) {
- return cbh.callCallback(argTuple);
-}
-
-PyObject* wxPyCBH_callCallbackObj(const wxPyCallbackHelper& cbh, PyObject* argTuple) {
- return cbh.callCallbackObj(argTuple);
-}
-
-
-void wxPyCBH_delete(wxPyCallbackHelper* cbh) {
- if (cbh->m_incRef && Py_IsInitialized()) {
- wxPyBlock_t blocked = wxPyBeginBlockThreads();
- Py_XDECREF(cbh->m_self);
- Py_XDECREF(cbh->m_class);
- wxPyEndBlockThreads(blocked);
- }
-}
-
-//---------------------------------------------------------------------------
-//---------------------------------------------------------------------------
-// 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.
-
-
-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() {
- wxPyBlock_t blocked = wxPyBeginBlockThreads();
- if (m_cloned)
- Py_DECREF(m_self);
- wxPyEndBlockThreads(blocked);
-}
-
-void wxPyEvtSelfRef::SetSelf(PyObject* self, bool clone) {
- wxPyBlock_t blocked = wxPyBeginBlockThreads();
- if (m_cloned)
- Py_DECREF(m_self);
- m_self = self;
- if (clone) {
- Py_INCREF(m_self);
- m_cloned = true;
- }
- wxPyEndBlockThreads(blocked);
-}
-
-PyObject* wxPyEvtSelfRef::GetSelf() const {
- Py_INCREF(m_self);
- return m_self;
-}
-
-
-IMPLEMENT_ABSTRACT_CLASS(wxPyEvent, wxEvent);
-IMPLEMENT_ABSTRACT_CLASS(wxPyCommandEvent, wxCommandEvent);
-
-
-wxPyEvent::wxPyEvent(int winid, wxEventType commandType)
- : wxEvent(winid, commandType) {
-}
-
-
-wxPyEvent::wxPyEvent(const wxPyEvent& evt)
- : wxEvent(evt)
-{
- SetSelf(evt.m_self, true);
-}
-
-
-wxPyEvent::~wxPyEvent() {
-}
-
-
-wxPyCommandEvent::wxPyCommandEvent(wxEventType commandType, int id)
- : wxCommandEvent(commandType, id) {
-}
-
-
-wxPyCommandEvent::wxPyCommandEvent(const wxPyCommandEvent& evt)
- : wxCommandEvent(evt)
-{
- SetSelf(evt.m_self, true);
-}
-
-
-wxPyCommandEvent::~wxPyCommandEvent() {
-}
-
-
-
-
-
-//---------------------------------------------------------------------------
-//---------------------------------------------------------------------------
-// Convert a wxList to a Python List, only works for lists of wxObjects
-
-PyObject* wxPy_ConvertList(wxListBase* listbase) {
- wxList* list = (wxList*)listbase; // this is probably bad...
- PyObject* pyList;
- PyObject* pyObj;
- wxObject* wxObj;
- wxNode* node = list->GetFirst();
-
- wxPyBlock_t blocked = wxPyBeginBlockThreads();
- pyList = PyList_New(0);
- while (node) {
- wxObj = node->GetData();
- pyObj = wxPyMake_wxObject(wxObj,false);
- PyList_Append(pyList, pyObj);
- Py_DECREF(pyObj); // the Append also does an INCREF, that's one more than we need.
- node = node->GetNext();
- }
- wxPyEndBlockThreads(blocked);
- return pyList;
-}
-
-//----------------------------------------------------------------------
-
-long wxPyGetWinHandle(wxWindow* win) {
-
-#ifdef __WXMSW__
- return (long)win->GetHandle();
-#endif
-
-#if defined(__WXGTK__) || defined(__WXX11)
- return (long)GetXWindow(win);
-#endif
-
-#ifdef __WXMAC__
- //return (long)MAC_WXHWND(win->MacGetTopLevelWindowRef());
- return (long)win->GetHandle();
-#endif
-
- return 0;
-}
-
-//----------------------------------------------------------------------
-// Some helper functions for typemaps in my_typemaps.i, so they won't be
-// included in every file over and over again...
-
-wxString* wxString_in_helper(PyObject* source) {
- wxString* target = NULL;
-
- if (!PyString_Check(source) && !PyUnicode_Check(source)) {
- PyErr_SetString(PyExc_TypeError, "String or Unicode type required");
- return NULL;
- }
-#if wxUSE_UNICODE
- PyObject* uni = source;
- if (PyString_Check(source)) {
- uni = PyUnicode_FromEncodedObject(source, wxPyDefaultEncoding, "strict");
- if (PyErr_Occurred()) return NULL;
- }
- target = new wxString();
- size_t len = PyUnicode_GET_SIZE(uni);
- if (len) {
- PyUnicode_AsWideChar((PyUnicodeObject*)uni, wxStringBuffer(*target, len), len);
- }
-
- if (PyString_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)) {
- 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; Py_ssize_t tmpSize;
- PyString_AsStringAndSize(str, &tmpPtr, &tmpSize);
- target = new wxString(tmpPtr, tmpSize);
-
- if (!PyString_Check(source))
- Py_DECREF(str);
-#endif // wxUSE_UNICODE
-
- return target;
-}
-
-
-// Similar to above except doesn't use "new" and doesn't set an exception
-wxString Py2wxString(PyObject* source)
-{
- wxString target;
-
-#if wxUSE_UNICODE
- // Convert to a unicode object, if not already, then to a wxString
- PyObject* uni = source;
- if (!PyUnicode_Check(source)) {
- uni = PyUnicode_FromEncodedObject(source, wxPyDefaultEncoding, "strict");
- if (PyErr_Occurred()) return wxEmptyString; // TODO: should we PyErr_Clear?
- }
- size_t len = PyUnicode_GET_SIZE(uni);
- if (len) {
- PyUnicode_AsWideChar((PyUnicodeObject*)uni, wxStringBuffer(target, len), len);
- }
-
- 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)) {
- 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; Py_ssize_t tmpSize;
- PyString_AsStringAndSize(str, &tmpPtr, &tmpSize);
- target = wxString(tmpPtr, tmpSize);
-
- if (!PyString_Check(source))
- Py_DECREF(str);
-#endif // wxUSE_UNICODE
-
- return target;
-}
-
-
-// Make either a Python String or Unicode object, depending on build mode
-PyObject* wx2PyString(const wxString& src)
-{
- PyObject* str;
-#if wxUSE_UNICODE
- str = PyUnicode_FromWideChar(src.c_str(), src.Len());
-#else
- str = PyString_FromStringAndSize(src.c_str(), src.Len());
-#endif
- return str;
-}
-
-
-
-void wxSetDefaultPyEncoding(const char* encoding)
-{
- strncpy(wxPyDefaultEncoding, encoding, DEFAULTENCODING_SIZE);
-}
-
-const char* wxGetDefaultPyEncoding()
-{
- return wxPyDefaultEncoding;
-}
-
-//----------------------------------------------------------------------
-
-
-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;
-}
-
-//---------------------------------------------------------------------------
-// NOTE: The following functions could really use some refactoring using
-// templates to make things somewhat simpler...
-
-inline bool wxPointFromObjects(PyObject* o1, PyObject* o2, wxPoint* point)
-{
- // get the x value
- if (PyInt_Check(o1))
- point->x = (int)PyInt_AS_LONG(o1);
- else if (PyFloat_Check(o1))
- point->x = (int)PyFloat_AS_DOUBLE(o1);
- else if (PyNumber_Check(o1))
- point->x = (int)PyInt_AsLong(o1);
- else
- return false;
-
- // get the y value
- if (PyInt_Check(o2))
- point->y = (int)PyInt_AS_LONG(o2);
- else if (PyFloat_Check(o2))
- point->y = (int)PyFloat_AS_DOUBLE(o2);
- else if (PyNumber_Check(o2))
- point->y = (int)PyInt_AsLong(o2);
- else
- return false;
-
- return true;
-
-// NOTE: This function used to have this code in it, but I don't know why it
-// is a problem nor what havok it will cause, so removing for now...
-// if (wxPySwigInstance_Check(o1) || wxPySwigInstance_Check(o2)) {
-// // Disallow instances because they can cause havok
-// return false;
-// }
-}
-
-
-inline bool wxPoint2DFromObjects(PyObject* o1, PyObject* o2, wxPoint2D* point)
-{
- // get the x value
- if (PyInt_Check(o1))
- point->m_x = (double)PyInt_AS_LONG(o1);
- else if (PyFloat_Check(o1))
- point->m_x = (double)PyFloat_AS_DOUBLE(o1);
- else if (PyNumber_Check(o1))
- point->m_x = (double)PyFloat_AsDouble(o1);
- else
- return false;
-
- // get the y value
- if (PyInt_Check(o2))
- point->m_y = (double)PyInt_AS_LONG(o2);
- else if (PyFloat_Check(o2))
- point->m_y = (double)PyFloat_AS_DOUBLE(o2);
- else if (PyNumber_Check(o2))
- point->m_y = (double)PyFloat_AsDouble(o2);
- else
- return false;
-
- return true;
-}
-
-
-
-wxPoint* wxPoint_LIST_helper(PyObject* source, int *count)
-{
- int idx;
- wxPoint* temp;
- PyObject *o, *o1, *o2;
- bool isFast = PyList_Check(source) || PyTuple_Check(source);
-
- if (!PySequence_Check(source)) {
- goto error0;
- }
-
- // The length of the sequence is returned in count.
- *count = PySequence_Length(source);
- if (*count < 0) {
- goto error0;
- }
-
- temp = new wxPoint[*count];
- if (!temp) {
- PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array");
- return NULL;
- }
- for (idx=0; idx<*count; idx++) {
- // Get an item: try fast way first.
- if (isFast) {
- o = PySequence_Fast_GET_ITEM(source, idx);
- }
- else {
- o = PySequence_GetItem(source, idx);
- if (o == NULL) {
- goto error1;
- }
- }
-
- // Convert o to wxPoint.
- if ((PyTuple_Check(o) && PyTuple_GET_SIZE(o) == 2) ||
- (PyList_Check(o) && PyList_GET_SIZE(o) == 2)) {
- o1 = PySequence_Fast_GET_ITEM(o, 0);
- o2 = PySequence_Fast_GET_ITEM(o, 1);
- if (!wxPointFromObjects(o1, o2, &temp[idx])) {
- goto error2;
- }
- }
- else if (wxPySwigInstance_Check(o)) {
- wxPoint* pt;
- if (! wxPyConvertSwigPtr(o, (void **)&pt, wxT("wxPoint"))) {
- goto error2;
- }
- temp[idx] = *pt;
- }
- else if (PySequence_Check(o) && PySequence_Length(o) == 2) {
- o1 = PySequence_GetItem(o, 0);
- o2 = PySequence_GetItem(o, 1);
- if (!wxPointFromObjects(o1, o2, &temp[idx])) {
- goto error3;
- }
- Py_DECREF(o1);
- Py_DECREF(o2);
- }
- else {
- goto error2;
- }
- // Clean up.
- if (!isFast)
- Py_DECREF(o);
- }
- return temp;
-
-error3:
- Py_DECREF(o1);
- Py_DECREF(o2);
-error2:
- if (!isFast)
- Py_DECREF(o);
-error1:
- delete [] temp;
-error0:
- PyErr_SetString(PyExc_TypeError, "Expected a sequence of length-2 sequences or wxPoints.");
- return NULL;
-}
-
-
-
-wxPoint2D* wxPoint2D_LIST_helper(PyObject* source, size_t *count)
-{
- size_t idx;
- wxPoint2D* temp;
- PyObject *o, *o1, *o2;
- bool isFast = PyList_Check(source) || PyTuple_Check(source);
-
- if (!PySequence_Check(source)) {
- goto error0;
- }
-
- // The length of the sequence is returned in count.
- *count = PySequence_Length(source);
- if (*count < 0) {
- goto error0;
- }
-
- temp = new wxPoint2D[*count];
- if (!temp) {
- PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array");
- return NULL;
- }
- for (idx=0; idx<*count; idx++) {
- // Get an item: try fast way first.
- if (isFast) {
- o = PySequence_Fast_GET_ITEM(source, idx);
- }
- else {
- o = PySequence_GetItem(source, idx);
- if (o == NULL) {
- goto error1;
- }
- }
-
- // Convert o to wxPoint.
- if ((PyTuple_Check(o) && PyTuple_GET_SIZE(o) == 2) ||
- (PyList_Check(o) && PyList_GET_SIZE(o) == 2)) {
- o1 = PySequence_Fast_GET_ITEM(o, 0);
- o2 = PySequence_Fast_GET_ITEM(o, 1);
- if (!wxPoint2DFromObjects(o1, o2, &temp[idx])) {
- goto error2;
- }
- }
- else if (wxPySwigInstance_Check(o)) {
- wxPoint2D* pt;
- if (! wxPyConvertSwigPtr(o, (void **)&pt, wxT("wxPoint2D"))) {
- goto error2;
- }
- temp[idx] = *pt;
- }
- else if (PySequence_Check(o) && PySequence_Length(o) == 2) {
- o1 = PySequence_GetItem(o, 0);
- o2 = PySequence_GetItem(o, 1);
- if (!wxPoint2DFromObjects(o1, o2, &temp[idx])) {
- goto error3;
- }
- Py_DECREF(o1);
- Py_DECREF(o2);
- }
- else {
- goto error2;
- }
- // Clean up.
- if (!isFast)
- Py_DECREF(o);
- }
- return temp;
-
-error3:
- Py_DECREF(o1);
- Py_DECREF(o2);
-error2:
- if (!isFast)
- Py_DECREF(o);
-error1:
- delete [] temp;
-error0:
- PyErr_SetString(PyExc_TypeError, "Expected a sequence of length-2 sequences or wxPoint2Ds.");
- return NULL;
-}
-
-//---------------------------------------------------------------------------
-
-
-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 (wxPySwigInstance_Check(o)) {
- wxBitmap* pt;
- if (! wxPyConvertSwigPtr(o, (void **) &pt, wxT("wxBitmap"))) {
- PyErr_SetString(PyExc_TypeError,"Expected wxBitmap.");
- 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 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;
- }
-#else
- if (! PyString_Check(o)) {
- PyErr_SetString(PyExc_TypeError, "Expected a list of strings.");
- return NULL;
- }
-#endif
-
- wxString* pStr = wxString_in_helper(o);
- temp[x] = *pStr;
- delete pStr;
- }
- 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 (wxPySwigInstance_Check(o)) {
- wxAcceleratorEntry* ae;
- if (! wxPyConvertSwigPtr(o, (void **) &ae, wxT("wxAcceleratorEntry"))) {
- PyErr_SetString(PyExc_TypeError,"Expected wxAcceleratorEntry.");
- 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].Set(PyInt_AsLong(o1), PyInt_AsLong(o2), PyInt_AsLong(o3));
- }
- else {
- PyErr_SetString(PyExc_TypeError, "Expected a list of 3-tuples or wxAcceleratorEntry objects.");
- return NULL;
- }
- }
- return temp;
-}
-
-
-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 (wxPySwigInstance_Check(o)) {
- wxPen* pt;
- if (! wxPyConvertSwigPtr(o, (void **)&pt, wxT("wxPen"))) {
- delete temp;
- PyErr_SetString(PyExc_TypeError,"Expected wxPen.");
- return NULL;
- }
- temp[x] = pt;
- }
- else {
- delete temp;
- PyErr_SetString(PyExc_TypeError, "Expected a list of wxPens.");
- return NULL;
- }
- }
- return temp;
-}
-
-
-bool wxPy2int_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 wxPy4int_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;
-}
-
-
-//----------------------------------------------------------------------
-
-bool wxPySimple_typecheck(PyObject* source, const wxChar* classname, int seqLen)
-{
- void* ptr;
-
- if (wxPySwigInstance_Check(source) &&
- wxPyConvertSwigPtr(source, (void **)&ptr, classname))
- return true;
-
- PyErr_Clear();
- if (PySequence_Check(source) && PySequence_Length(source) == seqLen)
- return true;
-
- return false;
-}
-
-bool wxSize_helper(PyObject* source, wxSize** obj)
-{
- if (source == Py_None) {
- **obj = wxSize(-1,-1);
- return true;
- }
- return wxPyTwoIntItem_helper(source, obj, wxT("wxSize"));
-}
-
-
-bool wxPoint_helper(PyObject* source, wxPoint** obj)
-{
- if (source == Py_None) {
- **obj = wxPoint(-1,-1);
- return true;
- }
- return wxPyTwoIntItem_helper(source, obj, wxT("wxPoint"));
-}
-
-
-
-bool wxPosition_helper(PyObject* source, wxPosition** obj)
-{
- if (source == Py_None) {
- **obj = wxPosition(-1,-1);
- return true;
- }
- return wxPyTwoIntItem_helper(source, obj, wxT("wxPosition"));
-}
-
-
-
-bool wxRealPoint_helper(PyObject* source, wxRealPoint** obj) {
-
- if (source == Py_None) {
- **obj = wxRealPoint(-1,-1);
- return true;
- }
-
- // If source is an object instance then it may already be the right type
- if (wxPySwigInstance_Check(source)) {
- wxRealPoint* ptr;
- if (! wxPyConvertSwigPtr(source, (void **)&ptr, wxT("wxRealPoint")))
- 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);
- if (!PyNumber_Check(o1) || !PyNumber_Check(o2)) {
- Py_DECREF(o1);
- Py_DECREF(o2);
- goto error;
- }
- **obj = wxRealPoint(PyFloat_AsDouble(o1), PyFloat_AsDouble(o2));
- Py_DECREF(o1);
- Py_DECREF(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 == Py_None) {
- **obj = wxRect(-1,-1,-1,-1);
- return true;
- }
-
- // If source is an object instance then it may already be the right type
- if (wxPySwigInstance_Check(source)) {
- wxRect* ptr;
- if (! wxPyConvertSwigPtr(source, (void **)&ptr, wxT("wxRect")))
- 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);
- if (!PyNumber_Check(o1) || !PyNumber_Check(o2) ||
- !PyNumber_Check(o3) || !PyNumber_Check(o4)) {
- Py_DECREF(o1);
- Py_DECREF(o2);
- Py_DECREF(o3);
- Py_DECREF(o4);
- goto error;
- }
- **obj = wxRect(PyInt_AsLong(o1), PyInt_AsLong(o2),
- PyInt_AsLong(o3), PyInt_AsLong(o4));
- Py_DECREF(o1);
- Py_DECREF(o2);
- Py_DECREF(o3);
- Py_DECREF(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 == Py_None) {
- **obj = wxNullColour;
- return true;
- }
-
- // If source is an object instance then it may already be the right type
- if (wxPySwigInstance_Check(source)) {
- wxColour* ptr;
- if (! wxPyConvertSwigPtr(source, (void **)&ptr, wxT("wxColour")))
- goto error;
- *obj = ptr;
- return true;
- }
- // otherwise check for a string
- else if (PyString_Check(source) || PyUnicode_Check(source)) {
- wxString spec = Py2wxString(source);
- if (spec.GetChar(0) == '#' && spec.Length() == 7) { // It's #RRGGBB
- long red, green, blue;
- red = green = blue = 0;
- spec.Mid(1,2).ToLong(&red, 16);
- spec.Mid(3,2).ToLong(&green, 16);
- spec.Mid(5,2).ToLong(&blue, 16);
-
- **obj = wxColour(red, green, blue);
- return true;
- }
- else { // it's a colour name
- **obj = wxColour(spec);
- return true;
- }
- }
- // last chance: 3-tuple or 4-tuple of integers is expected
- else if (PySequence_Check(source) && PyObject_Length(source) == 3) {
- PyObject* o1 = PySequence_GetItem(source, 0);
- PyObject* o2 = PySequence_GetItem(source, 1);
- PyObject* o3 = PySequence_GetItem(source, 2);
- if (!PyNumber_Check(o1) || !PyNumber_Check(o2) || !PyNumber_Check(o3)) {
- Py_DECREF(o1);
- Py_DECREF(o2);
- Py_DECREF(o3);
- goto error;
- }
- **obj = wxColour(PyInt_AsLong(o1), PyInt_AsLong(o2), PyInt_AsLong(o3));
- Py_DECREF(o1);
- Py_DECREF(o2);
- Py_DECREF(o3);
- return true;
- }
- 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);
- if (!PyNumber_Check(o1) || !PyNumber_Check(o2) || !PyNumber_Check(o3) || !PyNumber_Check(o4)) {
- Py_DECREF(o1);
- Py_DECREF(o2);
- Py_DECREF(o3);
- Py_DECREF(o4);
- goto error;
- }
- **obj = wxColour(PyInt_AsLong(o1), PyInt_AsLong(o2), PyInt_AsLong(o3), PyInt_AsLong(o4));
- Py_DECREF(o1);
- Py_DECREF(o2);
- Py_DECREF(o3);
- Py_DECREF(o4);
- return true;
- }
-
- error:
- PyErr_SetString(PyExc_TypeError,
- "Expected a wxColour object, a string containing a colour name or '#RRGGBB', or a 3- or 4-tuple of integers.");
- return false;
-}
-
-
-bool wxColour_typecheck(PyObject* source) {
-
- if (wxPySimple_typecheck(source, wxT("wxColour"), 3))
- return true;
-
- if (PyString_Check(source) || PyUnicode_Check(source))
- return true;
-
- return false;
-}
-
-
-
-bool wxPoint2D_helper(PyObject* source, wxPoint2D** obj) {
-
- if (source == Py_None) {
- **obj = wxPoint2D(-1,-1);
- return true;
- }
-
- // If source is an object instance then it may already be the right type
- if (wxPySwigInstance_Check(source)) {
- wxPoint2D* ptr;
- if (! wxPyConvertSwigPtr(source, (void **)&ptr, wxT("wxPoint2D")))
- goto error;
- *obj = ptr;
- return true;
- }
- // otherwise a length-2 sequence of floats is expected
- if (PySequence_Check(source) && PySequence_Length(source) == 2) {
- PyObject* o1 = PySequence_GetItem(source, 0);
- PyObject* o2 = PySequence_GetItem(source, 1);
- // This should really check for floats, not numbers -- but that would break code.
- if (!PyNumber_Check(o1) || !PyNumber_Check(o2)) {
- Py_DECREF(o1);
- Py_DECREF(o2);
- goto error;
- }
- **obj = wxPoint2D(PyFloat_AsDouble(o1), PyFloat_AsDouble(o2));
- Py_DECREF(o1);
- Py_DECREF(o2);
- return true;
- }
- error:
- PyErr_SetString(PyExc_TypeError, "Expected a 2-tuple of floats or a wx.Point2D object.");
- return false;
-}
-
-
-
-bool wxRect2D_helper(PyObject* source, wxRect2D** obj) {
-
- if (source == Py_None) {
- **obj = wxRect2D(-1,-1,-1,-1);
- return true;
- }
-
- // If source is an object instance then it may already be the right type
- if (wxPySwigInstance_Check(source)) {
- wxRect2D* ptr;
- if (! wxPyConvertSwigPtr(source, (void **)&ptr, wxT("wxRect2D")))
- goto error;
- *obj = ptr;
- return true;
- }
- // otherwise a length-4 sequence of floats is expected
- if (PySequence_Check(source) && PySequence_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);
- // This should really check for floats, not numbers -- but that would break code.
- if (!PyNumber_Check(o1) || !PyNumber_Check(o2) ||
- !PyNumber_Check(o3) || !PyNumber_Check(o4)) {
- Py_DECREF(o1);
- Py_DECREF(o2);
- Py_DECREF(o3);
- Py_DECREF(o4);
- goto error;
- }
- **obj = wxRect2D(PyFloat_AsDouble(o1), PyFloat_AsDouble(o2),
- PyFloat_AsDouble(o3), PyFloat_AsDouble(o4));
- Py_DECREF(o1);
- Py_DECREF(o2);
- Py_DECREF(o3);
- Py_DECREF(o4);
- return true;
- }
- error:
- PyErr_SetString(PyExc_TypeError, "Expected a 4-tuple of floats or a wx.Rect2D object.");
- return false;
-}
-
-
-//----------------------------------------------------------------------
-
-PyObject* wxArrayString2PyList_helper(const wxArrayString& arr)
-{
- PyObject* list = PyList_New(0);
- for (size_t i=0; i < arr.GetCount(); i++) {
-#if wxUSE_UNICODE
- PyObject* str = PyUnicode_FromWideChar(arr[i].c_str(), arr[i].Len());
-#else
- PyObject* str = PyString_FromStringAndSize(arr[i].c_str(), arr[i].Len());
-#endif
- PyList_Append(list, str);
- Py_DECREF(str);
- }
- return list;
-}
-
-
-PyObject* wxArrayInt2PyList_helper(const wxArrayInt& arr)
-{
- PyObject* list = PyList_New(0);
- for (size_t i=0; i < arr.GetCount(); i++) {
- PyObject* number = PyInt_FromLong(arr[i]);
- PyList_Append(list, number);
- Py_DECREF(number);
- }
- return list;
-}
-
-
-PyObject* wxArrayDouble2PyList_helper(const wxArrayDouble& arr)
-{
- PyObject* list = PyList_New(0);
- for (size_t i=0; i < arr.GetCount(); i++) {
- PyObject* number = PyFloat_FromDouble(arr[i]);
- PyList_Append(list, number);
- Py_DECREF(number);
- }
- return list;
-}
-
-
-//----------------------------------------------------------------------
-// wxPyImageHandler methods
-//
-// TODO: Switch these to use wxPython's standard macros and helper classes
-// for calling callbacks.
-
-PyObject* wxPyImageHandler::m_DoCanRead_Name = NULL;
-PyObject* wxPyImageHandler::m_GetImageCount_Name = NULL;
-PyObject* wxPyImageHandler::m_LoadFile_Name = NULL;
-PyObject* wxPyImageHandler::m_SaveFile_Name = NULL;
-
-PyObject* wxPyImageHandler::py_InputStream(wxInputStream* stream) {
- return wxPyConstructObject(new wxPyInputStream(stream),
- wxT("wxPyInputStream"), 0);
-}
-
-PyObject* wxPyImageHandler::py_Image(wxImage* image) {
- return wxPyConstructObject(image, wxT("wxImage"), 0);
-}
-
-PyObject* wxPyImageHandler::py_OutputStream(wxOutputStream* stream) {
- return wxPyConstructObject(stream, wxT("wxOutputStream"), 0);
-}
-
-wxPyImageHandler::wxPyImageHandler():
- m_self(NULL)
-{
- if (!m_DoCanRead_Name) {
- m_DoCanRead_Name = PyString_FromString("DoCanRead");
- m_GetImageCount_Name = PyString_FromString("GetImageCount");
- m_LoadFile_Name = PyString_FromString("LoadFile");
- m_SaveFile_Name = PyString_FromString("SaveFile");
- }
-}
-
-wxPyImageHandler::~wxPyImageHandler() {
- if (m_self) {
- Py_DECREF(m_self);
- m_self = NULL;
- }
-}
-
-void wxPyImageHandler::_SetSelf(PyObject *self) {
- // should check here for isinstance(PyImageHandler) ??
- m_self = self;
- Py_INCREF(m_self);
-}
-
-bool wxPyImageHandler::DoCanRead(wxInputStream& stream) {
- // check if our object has this method
- wxPyBlock_t blocked = wxPyBeginBlockThreads();
- if (!m_self || !PyObject_HasAttr(m_self, m_DoCanRead_Name)) {
- wxPyEndBlockThreads(blocked);
- return false;
- }
-
- PyObject* res = PyObject_CallMethodObjArgs(m_self, m_DoCanRead_Name,
- py_InputStream(&stream), NULL);
- bool retval = false;
- if (res) {
- retval = PyInt_AsLong(res);
- Py_DECREF(res);
- PyErr_Clear();
- }
- else
- PyErr_Print();
- wxPyEndBlockThreads(blocked);
- return retval;
-}
-
-bool wxPyImageHandler::LoadFile( wxImage* image, wxInputStream& stream,
- bool verbose, int index ) {
- // check if our object has this method
- wxPyBlock_t blocked = wxPyBeginBlockThreads();
- if (!m_self || !PyObject_HasAttr(m_self, m_LoadFile_Name)) {
- wxPyEndBlockThreads(blocked);
- return false;
- }
- PyObject* res = PyObject_CallMethodObjArgs(m_self, m_LoadFile_Name,
- py_Image(image),
- py_InputStream(&stream),
- PyInt_FromLong(verbose),
- PyInt_FromLong(index),
- NULL);
- bool retval = false;
- if (res) {
- retval = PyInt_AsLong(res);
- Py_DECREF(res);
- PyErr_Clear();
- } else
- PyErr_Print();
- wxPyEndBlockThreads(blocked);
- return retval;
-}
-
-bool wxPyImageHandler::SaveFile( wxImage* image, wxOutputStream& stream,
- bool verbose ) {
- wxPyBlock_t blocked = wxPyBeginBlockThreads();
- if (!m_self || !PyObject_HasAttr(m_self, m_SaveFile_Name)) {
- wxPyEndBlockThreads(blocked);
- return false;
- }
- PyObject* res = PyObject_CallMethodObjArgs(m_self, m_SaveFile_Name,
- py_Image(image),
- py_OutputStream(&stream),
- PyInt_FromLong(verbose),
- NULL);
- bool retval = false;
- if(res) {
- retval=PyInt_AsLong(res);
- Py_DECREF(res);
- PyErr_Clear();
- } else
- PyErr_Print();
- wxPyEndBlockThreads(blocked);
- return retval;
-}
-
-int wxPyImageHandler::GetImageCount( wxInputStream& stream ) {
- wxPyBlock_t blocked = wxPyBeginBlockThreads();
- if (!m_self || !PyObject_HasAttr(m_self, m_GetImageCount_Name)) {
- wxPyEndBlockThreads(blocked);
- return 1;
- }
- PyObject *res=PyObject_CallMethodObjArgs(m_self, m_GetImageCount_Name,
- py_InputStream(&stream),
- NULL);
- int retval = 1;
- if(res) {
- retval=PyInt_AsLong(res);
- Py_DECREF(res);
- PyErr_Clear();
- } else
- PyErr_Print();
- wxPyEndBlockThreads(blocked);
- return retval;
-}
-
-
-//----------------------------------------------------------------------
-// Function to test if the Display (or whatever is the platform equivallent)
-// can be connected to. This is accessable from wxPython as a staticmethod of
-// wx.App called DisplayAvailable().
-
-
-bool wxPyTestDisplayAvailable()
-{
-#ifdef __WXGTK__
- Display* display;
- display = XOpenDisplay(NULL);
- if (display == NULL)
- return false;
- XCloseDisplay(display);
- return true;
-#endif
-
-#ifdef __WXMAC__
- // This is adapted from Python's Mac/Modules/MacOS.c in the
- // MacOS_WMAvailable function.
- bool rv;
- ProcessSerialNumber psn;
-
- /*
- ** This is a fairly innocuous call to make if we don't have a window
- ** manager, or if we have no permission to talk to it. It will print
- ** a message on stderr, but at least it won't abort the process.
- ** It appears the function caches the result itself, and it's cheap, so
- ** no need for us to cache.
- */
-#ifdef kCGNullDirectDisplay
- /* On 10.1 CGMainDisplayID() isn't available, and
- ** kCGNullDirectDisplay isn't defined.
- */
- if (CGMainDisplayID() == 0) {
- rv = false;
- } else
-#endif
- {
- // Also foreground the application on the first call as a side-effect.
- if (GetCurrentProcess(&psn) < 0 || SetFrontProcess(&psn) < 0) {
- rv = false;
- } else {
- rv = true;
- }
- }
- return rv;
-#endif
-
-#ifdef __WXMSW__
- // TODO...
- return true;
-#endif
-}
-
-
-//----------------------------------------------------------------------
-//----------------------------------------------------------------------
-
-
-
-