faf3cb3590
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@1003 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
635 lines
17 KiB
C++
635 lines
17 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: helpers.cpp
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// Purpose: Helper functions/classes for the wxPython extension module
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//
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// Author: Robin Dunn
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//
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// Created: 7/1/97
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// RCS-ID: $Id$
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// Copyright: (c) 1998 by Total Control Software
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// Licence: wxWindows license
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/////////////////////////////////////////////////////////////////////////////
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#ifdef __WXMSW__
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#include <windows.h>
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#undef FindWindow
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#undef GetCharWidth
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#undef LoadAccelerators
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#endif
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#undef DEBUG
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#include <Python.h>
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#include "helpers.h"
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#ifdef __WXGTK__
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#ifdef wxUSE_GDK_IMLIB
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#include "gdk_imlib/gdk_imlib.h"
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#endif
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#endif
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//---------------------------------------------------------------------------
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//wxHashTable* wxPyWindows = NULL;
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wxPoint wxPyDefaultPosition; //wxDefaultPosition);
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wxSize wxPyDefaultSize; //wxDefaultSize);
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wxString wxPyEmptyStr("");
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#ifdef __WXMSW__ // If building for win32...
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extern HINSTANCE wxhInstance;
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//----------------------------------------------------------------------
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// This gets run when the DLL is loaded. We just need to save a handle.
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//----------------------------------------------------------------------
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BOOL WINAPI DllMain(
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HINSTANCE hinstDLL, // handle to DLL module
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DWORD fdwReason, // reason for calling function
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LPVOID lpvReserved // reserved
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)
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{
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wxhInstance = hinstDLL;
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return 1;
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}
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#endif
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//----------------------------------------------------------------------
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// Class for implementing the wxp main application shell.
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//----------------------------------------------------------------------
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wxPyApp *wxPythonApp = NULL; // Global instance of application object
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// This one isn't acutally called... See __wxStart()
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bool wxPyApp::OnInit(void) {
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return false;
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}
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int wxPyApp::MainLoop(void) {
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int retval = wxApp::MainLoop();
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AfterMainLoop();
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return retval;
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}
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void wxPyApp::AfterMainLoop(void) {
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// more stuff from wxEntry...
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#ifdef __WXMSW__
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if (wxPythonApp->GetTopWindow()) {
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// Forcibly delete the window.
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if (wxPythonApp->GetTopWindow()->IsKindOf(CLASSINFO(wxFrame)) ||
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wxPythonApp->GetTopWindow()->IsKindOf(CLASSINFO(wxDialog))) {
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wxPythonApp->GetTopWindow()->Close(TRUE);
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wxPythonApp->DeletePendingObjects();
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}
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else {
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delete wxPythonApp->GetTopWindow();
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wxPythonApp->SetTopWindow(NULL);
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}
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}
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#endif
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#ifdef __WXGTK__
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wxPythonApp->DeletePendingObjects();
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#endif
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wxPythonApp->OnExit();
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#ifdef __WXMSW__
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wxApp::CleanUp();
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#endif
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#ifdef __WXGTK__
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wxApp::CommonCleanUp();
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#endif
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delete wxPythonApp;
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}
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//---------------------------------------------------------------------
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// a few native methods to add to the module
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//----------------------------------------------------------------------
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// This is where we pick up the first part of the wxEntry functionality...
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// The rest is in __wxStart and AfterMainLoop. This function is called when
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// wxpc is imported. (Before there is a wxApp object.)
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void __wxPreStart()
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{
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// Bail out if there is already windows created. This means that the
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// toolkit has already been initialized, as in embedding wxPython in
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// a C++ wxWindows app.
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if (wxTopLevelWindows.Number() > 0)
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return;
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#ifdef __WXMSW__
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wxApp::Initialize();
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#endif
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#ifdef __WXGTK__
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wxClassInfo::InitializeClasses();
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PyObject* sysargv = PySys_GetObject("argv");
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int argc = PyList_Size(sysargv);
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char** argv = new char*[argc+1];
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int x;
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for(x=0; x<argc; x++)
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argv[x] = PyString_AsString(PyList_GetItem(sysargv, x));
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argv[argc] = NULL;
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gtk_init( &argc, &argv );
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delete [] argv;
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#ifdef wxUSE_GDK_IMLIB
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gdk_imlib_init();
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gtk_widget_push_visual(gdk_imlib_get_visual());
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gtk_widget_push_colormap(gdk_imlib_get_colormap());
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#endif
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wxApp::CommonInit();
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#endif
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}
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static char* __nullArgv[1] = { 0 };
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// Start the user application, user App's OnInit method is a parameter here
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PyObject* __wxStart(PyObject* /* self */, PyObject* args)
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{
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PyObject* onInitFunc = NULL;
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PyObject* arglist;
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PyObject* result;
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long bResult;
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if (!PyArg_ParseTuple(args, "O", &onInitFunc))
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return NULL;
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if (wxTopLevelWindows.Number() > 0) {
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PyErr_SetString(PyExc_TypeError, "Only 1 wxApp per process!");
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return NULL;
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}
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// This is the next part of the wxEntry functionality...
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wxPythonApp->argc = 0;
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wxPythonApp->argv = __nullArgv;
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wxPythonApp->OnInitGui();
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// Call the Python App's OnInit function
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arglist = PyTuple_New(0);
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result = PyEval_CallObject(onInitFunc, arglist);
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if (!result) {
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PyErr_Print();
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exit(1);
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}
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if (! PyInt_Check(result)) {
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PyErr_SetString(PyExc_TypeError, "OnInit should return a boolean value");
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return NULL;
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}
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bResult = PyInt_AS_LONG(result);
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if (! bResult) {
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wxPythonApp->DeletePendingObjects();
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wxPythonApp->OnExit();
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#ifdef __WXMSW__
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wxApp::CleanUp();
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#endif
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#ifdef __WXGTK__
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wxApp::CommonCleanUp();
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#endif
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PyErr_SetString(PyExc_SystemExit, "OnInit returned false, exiting...");
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return NULL;
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}
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#ifdef __WXGTK__
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wxTheApp->m_initialized = (wxTopLevelWindows.Number() > 0);
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#endif
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Py_INCREF(Py_None);
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return Py_None;
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}
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PyObject* wxPython_dict;
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PyObject* __wxSetDictionary(PyObject* /* self */, PyObject* args)
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{
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if (!PyArg_ParseTuple(args, "O", &wxPython_dict))
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return NULL;
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if (!PyDict_Check(wxPython_dict)) {
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PyErr_SetString(PyExc_TypeError, "_wxSetDictionary must have dictionary object!");
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return NULL;
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}
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#ifdef __WXMOTIF__
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#define wxPlatform "__WXMOTIF__"
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#endif
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#ifdef __WXQT__
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#define wxPlatform "__WXQT__"
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#endif
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#ifdef __WXGTK__
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#define wxPlatform "__WXGTK__"
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#endif
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#if defined(__WIN32__) || defined(__WXMSW__)
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#define wxPlatform "__WXMSW__"
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#endif
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#ifdef __WXMAC__
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#define wxPlatform "__WXMAC__"
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#endif
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PyDict_SetItemString(wxPython_dict, "wxPlatform", PyString_FromString(wxPlatform));
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Py_INCREF(Py_None);
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return Py_None;
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}
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//---------------------------------------------------------------------------
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static
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PyObject* wxPyConstructObject(void* ptr, char* className)
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{
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char buff[64]; // should always be big enough...
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char swigptr[64];
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sprintf(buff, "_%s_p", className);
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SWIG_MakePtr(swigptr, ptr, buff);
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sprintf(buff, "%sPtr", className);
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PyObject* classobj = PyDict_GetItemString(wxPython_dict, buff);
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if (! classobj) {
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Py_INCREF(Py_None);
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return Py_None;
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}
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PyObject* arg = Py_BuildValue("(s)", swigptr);
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PyObject* obj = PyInstance_New(classobj, arg, NULL);
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Py_DECREF(arg);
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return obj;
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}
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// This function is used for all events destined for Python event handlers.
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void wxPyCallback::EventThunker(wxEvent& event) {
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wxPyCallback* cb = (wxPyCallback*)event.m_callbackUserData;
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PyObject* func = cb->m_func;
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PyObject* result;
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PyObject* arg;
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PyObject* tuple;
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arg = wxPyConstructObject((void*)&event, event.GetClassInfo()->GetClassName());
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tuple = PyTuple_New(1);
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PyTuple_SET_ITEM(tuple, 0, arg);
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result = PyEval_CallObject(func, tuple);
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Py_DECREF(tuple);
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if (result) {
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Py_DECREF(result);
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PyErr_Clear();
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} else {
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PyErr_Print();
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}
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}
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//---------------------------------------------------------------------------
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wxPyMenu::wxPyMenu(const wxString& title, PyObject* _func)
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: wxMenu(title, (wxFunction)(func ? MenuCallback : NULL)), func(0) {
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if (_func) {
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func = _func;
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Py_INCREF(func);
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}
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}
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wxPyMenu::~wxPyMenu() {
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if (func)
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Py_DECREF(func);
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}
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void wxPyMenu::MenuCallback(wxMenu& menu, wxCommandEvent& evt) {
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PyObject* evtobj = wxPyConstructObject((void*)&evt, "wxCommandEvent");
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PyObject* menuobj = wxPyConstructObject((void*)&menu, "wxMenu");
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if (PyErr_Occurred()) {
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// bail out if a problem
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PyErr_Print();
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return;
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}
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// Now call the callback...
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PyObject* func = ((wxPyMenu*)&menu)->func;
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PyObject* args = PyTuple_New(2);
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PyTuple_SET_ITEM(args, 0, menuobj);
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PyTuple_SET_ITEM(args, 1, evtobj);
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PyObject* res = PyEval_CallObject(func, args);
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Py_DECREF(args);
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Py_XDECREF(res); /* In case res is a NULL pointer */
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}
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//---------------------------------------------------------------------------
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wxPyTimer::wxPyTimer(PyObject* callback) {
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func = callback;
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Py_INCREF(func);
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}
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wxPyTimer::~wxPyTimer() {
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Py_DECREF(func);
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}
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void wxPyTimer::Notify() {
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PyObject* result;
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PyObject* args = Py_BuildValue("()");
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result = PyEval_CallObject(func, args);
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Py_DECREF(args);
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if (result) {
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Py_DECREF(result);
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PyErr_Clear();
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} else {
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PyErr_Print();
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}
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}
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//----------------------------------------------------------------------
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//----------------------------------------------------------------------
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// Some helper functions for typemaps in my_typemaps.i, so they won't be
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// imcluded in every file...
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int* int_LIST_helper(PyObject* source) {
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if (!PyList_Check(source)) {
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PyErr_SetString(PyExc_TypeError, "Expected a list object.");
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return NULL;
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}
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int count = PyList_Size(source);
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int* temp = new int[count];
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if (! temp) {
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PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array");
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return NULL;
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}
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for (int x=0; x<count; x++) {
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PyObject* o = PyList_GetItem(source, x);
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if (! PyInt_Check(o)) {
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PyErr_SetString(PyExc_TypeError, "Expected a list of integers.");
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return NULL;
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}
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temp[x] = PyInt_AsLong(o);
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}
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return temp;
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}
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long* long_LIST_helper(PyObject* source) {
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if (!PyList_Check(source)) {
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PyErr_SetString(PyExc_TypeError, "Expected a list object.");
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return NULL;
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}
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int count = PyList_Size(source);
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long* temp = new long[count];
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if (! temp) {
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PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array");
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return NULL;
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}
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for (int x=0; x<count; x++) {
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PyObject* o = PyList_GetItem(source, x);
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if (! PyInt_Check(o)) {
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PyErr_SetString(PyExc_TypeError, "Expected a list of integers.");
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return NULL;
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}
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temp[x] = PyInt_AsLong(o);
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}
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return temp;
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}
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char** string_LIST_helper(PyObject* source) {
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if (!PyList_Check(source)) {
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PyErr_SetString(PyExc_TypeError, "Expected a list object.");
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return NULL;
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}
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int count = PyList_Size(source);
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char** temp = new char*[count];
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if (! temp) {
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PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array");
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return NULL;
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}
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for (int x=0; x<count; x++) {
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PyObject* o = PyList_GetItem(source, x);
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if (! PyString_Check(o)) {
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PyErr_SetString(PyExc_TypeError, "Expected a list of strings.");
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return NULL;
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}
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temp[x] = PyString_AsString(o);
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}
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return temp;
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}
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wxPoint* wxPoint_LIST_helper(PyObject* source) {
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if (!PyList_Check(source)) {
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PyErr_SetString(PyExc_TypeError, "Expected a list object.");
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return NULL;
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}
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int count = PyList_Size(source);
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wxPoint* temp = new wxPoint[count];
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if (! temp) {
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PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array");
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return NULL;
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}
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for (int x=0; x<count; x++) {
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PyObject* o = PyList_GetItem(source, x);
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if (PyString_Check(o)) {
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char* st = PyString_AsString(o);
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wxPoint* pt;
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if (SWIG_GetPtr(st,(void **) &pt,"_wxPoint_p")) {
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PyErr_SetString(PyExc_TypeError,"Expected _wxPoint_p.");
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return NULL;
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}
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temp[x] = *pt;
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}
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else if (PyTuple_Check(o)) {
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PyObject* o1 = PyTuple_GetItem(o, 0);
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PyObject* o2 = PyTuple_GetItem(o, 1);
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temp[x].x = PyInt_AsLong(o1);
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temp[x].y = PyInt_AsLong(o2);
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}
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else {
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PyErr_SetString(PyExc_TypeError, "Expected a list of 2-tuples or wxPoints.");
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return NULL;
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}
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}
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return temp;
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}
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wxBitmap** wxBitmap_LIST_helper(PyObject* source) {
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if (!PyList_Check(source)) {
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PyErr_SetString(PyExc_TypeError, "Expected a list object.");
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return NULL;
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}
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int count = PyList_Size(source);
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wxBitmap** temp = new wxBitmap*[count];
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if (! temp) {
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PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array");
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return NULL;
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}
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for (int x=0; x<count; x++) {
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PyObject* o = PyList_GetItem(source, x);
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if (PyString_Check(o)) {
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char* st = PyString_AsString(o);
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wxBitmap* pt;
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if (SWIG_GetPtr(st,(void **) &pt,"_wxBitmap_p")) {
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PyErr_SetString(PyExc_TypeError,"Expected _wxBitmap_p.");
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return NULL;
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}
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temp[x] = pt;
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}
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else {
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PyErr_SetString(PyExc_TypeError, "Expected a list of wxBitmaps.");
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return NULL;
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}
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}
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return temp;
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}
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wxString* wxString_LIST_helper(PyObject* source) {
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if (!PyList_Check(source)) {
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PyErr_SetString(PyExc_TypeError, "Expected a list object.");
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return NULL;
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}
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int count = PyList_Size(source);
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wxString* temp = new wxString[count];
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if (! temp) {
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PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array");
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return NULL;
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}
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for (int x=0; x<count; x++) {
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PyObject* o = PyList_GetItem(source, x);
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if (! PyString_Check(o)) {
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PyErr_SetString(PyExc_TypeError, "Expected a list of strings.");
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return NULL;
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}
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temp[x] = PyString_AsString(o);
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}
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return temp;
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}
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wxAcceleratorEntry* wxAcceleratorEntry_LIST_helper(PyObject* source) {
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if (!PyList_Check(source)) {
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PyErr_SetString(PyExc_TypeError, "Expected a list object.");
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return NULL;
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}
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int count = PyList_Size(source);
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wxAcceleratorEntry* temp = new wxAcceleratorEntry[count];
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if (! temp) {
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PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array");
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return NULL;
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}
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for (int x=0; x<count; x++) {
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PyObject* o = PyList_GetItem(source, x);
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if (PyString_Check(o)) {
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char* st = PyString_AsString(o);
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wxAcceleratorEntry* ae;
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if (SWIG_GetPtr(st,(void **) &ae,"_wxAcceleratorEntry_p")) {
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PyErr_SetString(PyExc_TypeError,"Expected _wxAcceleratorEntry_p.");
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return NULL;
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}
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temp[x] = *ae;
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}
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else if (PyTuple_Check(o)) {
|
|
PyObject* o1 = PyTuple_GetItem(o, 0);
|
|
PyObject* o2 = PyTuple_GetItem(o, 1);
|
|
PyObject* o3 = PyTuple_GetItem(o, 2);
|
|
|
|
temp[x].m_flags = PyInt_AsLong(o1);
|
|
temp[x].m_keyCode = PyInt_AsLong(o2);
|
|
temp[x].m_command = PyInt_AsLong(o3);
|
|
}
|
|
else {
|
|
PyErr_SetString(PyExc_TypeError, "Expected a list of 3-tuples or wxAcceleratorEntry objects.");
|
|
return NULL;
|
|
}
|
|
}
|
|
return temp;
|
|
}
|
|
|
|
//----------------------------------------------------------------------
|
|
|
|
|
|
|
|
/////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// $Log$
|
|
// Revision 1.13 1998/11/15 23:03:45 RD
|
|
// Removing some ifdef's for wxGTK
|
|
//
|
|
// Revision 1.12 1998/11/03 09:21:08 RD
|
|
// fixed a typo
|
|
//
|
|
// Revision 1.11 1998/10/20 06:43:58 RD
|
|
// New wxTreeCtrl wrappers (untested)
|
|
// some changes in helpers
|
|
// etc.
|
|
//
|
|
// Revision 1.10 1998/10/02 06:40:39 RD
|
|
//
|
|
// Version 0.4 of wxPython for MSW.
|
|
//
|
|
// Revision 1.9 1998/09/25 13:28:52 VZ
|
|
//
|
|
// USE_xxx constants renamed to wxUSE_xxx. This is an incompatible change, you
|
|
// must recompile everything after upgrading!
|
|
//
|
|
// Revision 1.8 1998/08/27 21:59:08 RD
|
|
// Some chicken-and-egg problems solved for wxPython on wxGTK
|
|
//
|
|
// Revision 1.7 1998/08/27 00:00:26 RD
|
|
// - more tweaks
|
|
// - have discovered some problems but not yet discovered solutions...
|
|
//
|
|
// Revision 1.6 1998/08/18 21:54:12 RD
|
|
//
|
|
// ifdef out some wxGTK specific code
|
|
//
|
|
// Revision 1.5 1998/08/18 19:48:17 RD
|
|
// more wxGTK compatibility things.
|
|
//
|
|
// It builds now but there are serious runtime problems...
|
|
//
|
|
// Revision 1.4 1998/08/16 04:31:06 RD
|
|
// More wxGTK work.
|
|
//
|
|
// Revision 1.3 1998/08/15 07:36:36 RD
|
|
// - Moved the header in the .i files out of the code that gets put into
|
|
// the .cpp files. It caused CVS conflicts because of the RCS ID being
|
|
// different each time.
|
|
//
|
|
// - A few minor fixes.
|
|
//
|
|
// Revision 1.2 1998/08/14 23:36:36 RD
|
|
// Beginings of wxGTK compatibility
|
|
//
|
|
// Revision 1.1 1998/08/09 08:25:51 RD
|
|
// Initial version
|
|
//
|
|
//
|