X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ec873c943d71f0d5f13e3398557071448cda6c23..a4027e74873007e3430af3bd77019bcab76f6c04:/wxPython/samples/embedded/embedded.cpp diff --git a/wxPython/samples/embedded/embedded.cpp b/wxPython/samples/embedded/embedded.cpp deleted file mode 100644 index 1b6ebabf74..0000000000 --- a/wxPython/samples/embedded/embedded.cpp +++ /dev/null @@ -1,301 +0,0 @@ -//---------------------------------------------------------------------- -// Name: embedded.cpp -// Purpose: To serve as an example of how to use wxPython from -// within a C++ wxWindows program. -// -// Author: Robin Dunn -// -// Created: 1-May-2002 -// RCS-ID: $Id$ -// Copyright: (c) 2002 by Total Control Software -// Licence: wxWindows license -//---------------------------------------------------------------------- - -#include - - -// For compilers that support precompilation, includes "wx/wx.h". -#include - -#ifdef __BORLANDC__ - #pragma hdrstop -#endif - -#ifndef WX_PRECOMP - #include -#endif - -#include - -#if defined(__WXGTK__) || defined(__WXMOTIF__) || defined(__WXMAC__) || defined(__WXMGL__) - #include "mondrian.xpm" -#endif - -// Import Python and wxPython headers -#include - - -//---------------------------------------------------------------------- -// Class definitions - -class MyApp : public wxApp -{ -public: - virtual bool OnInit(); - virtual int OnExit(); - bool Init_wxPython(); -private: - PyThreadState* m_mainTState; -}; - - -class MyFrame : public wxFrame -{ -public: - MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size); - void RedirectStdio(); - wxWindow* DoPythonStuff(wxWindow* parent); - void OnExit(wxCommandEvent& event); - void OnPyFrame(wxCommandEvent& event); - -private: - DECLARE_EVENT_TABLE() -}; - -//---------------------------------------------------------------------- -// MyApp methods - - -bool MyApp::OnInit() -{ - if ( !Init_wxPython() ) - // don't start the app if we can't initialize wxPython. - return false; - - MyFrame *frame = new MyFrame(_T("Embedded wxPython Test"), - wxDefaultPosition, wxSize(700, 600)); - frame->Show(true); - return true; -} - - - -bool MyApp::Init_wxPython() -{ - // Initialize Python - Py_Initialize(); - PyEval_InitThreads(); - - // Load the wxPython core API. Imports the wx._core_ module and sets a - // local pointer to a function table located there. The pointer is used - // internally by the rest of the API functions. - if ( ! wxPyCoreAPI_IMPORT() ) { - wxLogError(wxT("***** Error importing the wxPython API! *****")); - PyErr_Print(); - Py_Finalize(); - return false; - } - - // Save the current Python thread state and release the - // Global Interpreter Lock. - m_mainTState = wxPyBeginAllowThreads(); - - return true; -} - - -int MyApp::OnExit() -{ - // Restore the thread state and tell Python to cleanup after itself. - // wxPython will do its own cleanup as part of that process. This is done - // in OnExit instead of ~MyApp because OnExit is only called if OnInit is - // successful. - wxPyEndAllowThreads(m_mainTState); - Py_Finalize(); - return 0; -} - - -IMPLEMENT_APP(MyApp) - -//---------------------------------------------------------------------- - -enum -{ - ID_EXIT=1001, - ID_PYFRAME -}; - - -BEGIN_EVENT_TABLE(MyFrame, wxFrame) - EVT_MENU(ID_EXIT, MyFrame::OnExit) - EVT_MENU(ID_PYFRAME, MyFrame::OnPyFrame) -END_EVENT_TABLE() - - - -MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size) - : wxFrame(NULL, -1, title, pos, size, - wxDEFAULT_FRAME_STYLE|wxNO_FULL_REPAINT_ON_RESIZE) -{ - SetIcon(wxICON(mondrian)); - - wxMenuBar* mbar = new wxMenuBar; - wxMenu* menu = new wxMenu; - menu->Append(ID_PYFRAME, _T("Make wx&Python frame")); - menu->AppendSeparator(); - menu->Append(ID_EXIT, _T("&Close Frame\tAlt-X")); - mbar->Append(menu, _T("&File")); - SetMenuBar(mbar); - - CreateStatusBar(); - RedirectStdio(); - - // Make some child windows from C++ - wxSplitterWindow* sp = new wxSplitterWindow(this, -1); - wxPanel* p1 = new wxPanel(sp, -1, wxDefaultPosition, wxDefaultSize, wxSUNKEN_BORDER); - - new wxStaticText(p1, -1, - _T("The frame, menu, splitter, this panel and this text were created in C++..."), - wxPoint(10,10)); - - // And get a panel from Python - wxWindow* p2 = DoPythonStuff(sp); - - sp->SplitHorizontally(p1, p2, GetClientSize().y/4); -} - -void MyFrame::OnExit(wxCommandEvent& event) -{ - Close(); -} - - -//---------------------------------------------------------------------- -// This is where the fun begins... - - -char* python_code1 = "\ -import wx\n\ -f = wx.Frame(None, -1, 'Hello from wxPython!', size=(250, 150))\n\ -f.Show()\n\ -"; - -void MyFrame::OnPyFrame(wxCommandEvent& event) -{ - // For simple Python code that doesn't have to interact with the - // C++ code in any way, you can execute it with PyRun_SimpleString. - - - // First, whenever you do anything with Python objects or code, you - // *MUST* aquire the Global Interpreter Lock and block other - // Python threads from running. - wxPyBlock_t blocked = wxPyBeginBlockThreads(); - - // Execute the code in the __main__ module - PyRun_SimpleString(python_code1); - - // Finally, release the GIL and let other Python threads run. - wxPyEndBlockThreads(blocked); -} - - -void MyFrame::RedirectStdio() -{ - // This is a helpful little tidbit to help debugging and such. It - // redirects Python's stdout and stderr to a window that will popup - // only on demand when something is printed, like a traceback. - char* python_redirect = "\ -import sys\n\ -import wx\n\ -output = wx.PyOnDemandOutputWindow()\n\ -sys.stdin = sys.stderr = output\n\ -"; - wxPyBlock_t blocked = wxPyBeginBlockThreads(); - PyRun_SimpleString(python_redirect); - wxPyEndBlockThreads(blocked); -} - - - - -char* python_code2 = "\ -import sys\n\ -sys.path.append('.')\n\ -import embedded_sample\n\ -\n\ -def makeWindow(parent):\n\ - win = embedded_sample.MyPanel(parent)\n\ - return win\n\ -"; - -wxWindow* MyFrame::DoPythonStuff(wxWindow* parent) -{ - // More complex embedded situations will require passing C++ objects to - // Python and/or returning objects from Python to be used in C++. This - // sample shows one way to do it. NOTE: The above code could just have - // easily come from a file, or the whole thing could be in the Python - // module that is imported and manipulated directly in this C++ code. See - // the Python API for more details. - - wxWindow* window = NULL; - PyObject* result; - - // As always, first grab the GIL - wxPyBlock_t blocked = wxPyBeginBlockThreads(); - - // Now make a dictionary to serve as the global namespace when the code is - // executed. Put a reference to the builtins module in it. (Yes, the - // names are supposed to be different, I don't know why...) - PyObject* globals = PyDict_New(); - PyObject* builtins = PyImport_ImportModule("__builtin__"); - PyDict_SetItemString(globals, "__builtins__", builtins); - Py_DECREF(builtins); - - // Execute the code to make the makeWindow function - result = PyRun_String(python_code2, Py_file_input, globals, globals); - // Was there an exception? - if (! result) { - PyErr_Print(); - wxPyEndBlockThreads(blocked); - return NULL; - } - Py_DECREF(result); - - // Now there should be an object named 'makeWindow' in the dictionary that - // we can grab a pointer to: - PyObject* func = PyDict_GetItemString(globals, "makeWindow"); - wxASSERT(PyCallable_Check(func)); - - // Now build an argument tuple and call the Python function. Notice the - // use of another wxPython API to take a wxWindows object and build a - // wxPython object that wraps it. - PyObject* arg = wxPyMake_wxObject(parent, false); - wxASSERT(arg != NULL); - PyObject* tuple = PyTuple_New(1); - PyTuple_SET_ITEM(tuple, 0, arg); - result = PyEval_CallObject(func, tuple); - - // Was there an exception? - if (! result) - PyErr_Print(); - else { - // Otherwise, get the returned window out of Python-land and - // into C++-ville... - bool success = wxPyConvertSwigPtr(result, (void**)&window, _T("wxWindow")); - wxASSERT_MSG(success, _T("Returned object was not a wxWindow!")); - Py_DECREF(result); - } - - // Release the python objects we still have - Py_DECREF(globals); - Py_DECREF(tuple); - - // Finally, after all Python stuff is done, release the GIL - wxPyEndBlockThreads(blocked); - - return window; -} - - -//----------------------------------------------------------------------