X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/d5c9047acf66ae7ee2aed4778832b6887095ce7a..704a4b7524e05d7bf4d208eb1b30be9989abef4c:/utils/wxPython/src/helpers.cpp

diff --git a/utils/wxPython/src/helpers.cpp b/utils/wxPython/src/helpers.cpp
index 4c76dc1abd..38aaa25ec0 100644
--- a/utils/wxPython/src/helpers.cpp
+++ b/utils/wxPython/src/helpers.cpp
@@ -10,22 +10,24 @@
 // Licence:     wxWindows license
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __WXMSW__
-#include <windows.h>
-#undef FindWindow
-#undef GetCharWidth
-#undef LoadAccelerators
+
+#ifdef __WXGTK__
+#include "gtk/gtk.h"
 #endif
 
 #undef DEBUG
 #include <Python.h>
 #include "helpers.h"
-
-#ifdef __WXGTK__
-#ifdef wxUSE_GDK_IMLIB
-#include "gdk_imlib/gdk_imlib.h"
-#endif
+#ifdef __WXMSW__
+#include <wx/msw/private.h>
+#undef FindWindow
+#undef GetCharWidth
+#undef LoadAccelerators
+#undef GetClassInfo
+#undef GetClassName
 #endif
+#include <wx/module.h>
+
 
 //---------------------------------------------------------------------------
 
@@ -39,8 +41,6 @@ wxString    wxPyEmptyStr("");
 
 
 #ifdef __WXMSW__             // If building for win32...
-extern HINSTANCE wxhInstance;
-
 //----------------------------------------------------------------------
 // This gets run when the DLL is loaded.  We just need to save a handle.
 //----------------------------------------------------------------------
@@ -51,7 +51,7 @@ BOOL WINAPI DllMain(
     LPVOID      lpvReserved  // reserved
    )
 {
-    wxhInstance = hinstDLL;
+    wxSetInstance(hinstDLL);
     return 1;
 }
 #endif
@@ -63,6 +63,15 @@ BOOL WINAPI DllMain(
 wxPyApp *wxPythonApp = NULL;            // Global instance of application object
 
 
+wxPyApp::wxPyApp() {
+//    printf("**** ctor\n");
+}
+
+wxPyApp::~wxPyApp() {
+//    printf("**** dtor\n");
+}
+
+
 // This one isn't acutally called...  See __wxStart()
 bool wxPyApp::OnInit(void) {
     return false;
@@ -74,10 +83,10 @@ int  wxPyApp::MainLoop(void) {
     return retval;
 }
 
+
 void wxPyApp::AfterMainLoop(void) {
     // more stuff from wxEntry...
 
-#ifdef __WXMSW__
     if (wxPythonApp->GetTopWindow()) {
         // Forcibly delete the window.
         if (wxPythonApp->GetTopWindow()->IsKindOf(CLASSINFO(wxFrame)) ||
@@ -91,19 +100,13 @@ void wxPyApp::AfterMainLoop(void) {
             wxPythonApp->SetTopWindow(NULL);
         }
     }
-#endif
 #ifdef __WXGTK__
       wxPythonApp->DeletePendingObjects();
 #endif
 
     wxPythonApp->OnExit();
-#ifdef __WXMSW__
     wxApp::CleanUp();
-#endif
-#ifdef __WXGTK__
-    wxApp::CommonCleanUp();
-#endif
-    delete wxPythonApp;
+//    delete wxPythonApp;
 }
 
 
@@ -113,7 +116,7 @@ void wxPyApp::AfterMainLoop(void) {
 
 
 // This is where we pick up the first part of the wxEntry functionality...
-// The rest is in __wxStart and  AfterMainLoop.  Thi function is called when
+// The rest is in __wxStart and  AfterMainLoop.  This function is called when
 // wxpc is imported.  (Before there is a wxApp object.)
 void __wxPreStart()
 {
@@ -126,9 +129,8 @@ void __wxPreStart()
 #ifdef __WXMSW__
     wxApp::Initialize();
 #endif
-#ifdef __WXGTK__
-    wxClassInfo::InitializeClasses();
 
+#ifdef __WXGTK__
     PyObject* sysargv = PySys_GetObject("argv");
     int argc = PyList_Size(sysargv);
     char** argv = new char*[argc+1];
@@ -137,22 +139,20 @@ void __wxPreStart()
         argv[x] = PyString_AsString(PyList_GetItem(sysargv, x));
     argv[argc] = NULL;
 
+    gtk_set_locale();
     gtk_init( &argc, &argv );
     delete [] argv;
 
-#ifdef wxUSE_GDK_IMLIB
-    gdk_imlib_init();
-    gtk_widget_push_visual(gdk_imlib_get_visual());
-    gtk_widget_push_colormap(gdk_imlib_get_colormap());
-#endif
-
-    wxApp::CommonInit();
+    wxApp::Initialize();     // may return FALSE. Should we check?
 #endif
 
 }
 
 
-
+#ifdef WXP_WITH_THREAD
+PyThreadState*  wxPyEventThreadState = NULL;
+bool            wxPyInEvent = false;
+#endif
 static char* __nullArgv[1] = { 0 };
 
 // Start the user application, user App's OnInit method is a parameter here
@@ -163,6 +163,9 @@ PyObject* __wxStart(PyObject* /* self */, PyObject* args)
     PyObject*   result;
     long        bResult;
 
+#ifdef WXP_WITH_THREAD
+    wxPyEventThreadState = PyThreadState_Get();
+#endif
 
     if (!PyArg_ParseTuple(args, "O", &onInitFunc))
         return NULL;
@@ -175,13 +178,18 @@ PyObject* __wxStart(PyObject* /* self */, PyObject* args)
 
     // This is the next part of the wxEntry functionality...
     wxPythonApp->argc = 0;
-    wxPythonApp->argv = __nullArgv;
+    wxPythonApp->argv = NULL;
     wxPythonApp->OnInitGui();
 
 
     // Call the Python App's OnInit function
     arglist = PyTuple_New(0);
+
+    // Py_END_ALLOW_THREADS;  ****  __wxStart was called from Python,
+    //                              should already have the lock
     result = PyEval_CallObject(onInitFunc, arglist);
+    // Py_BEGIN_ALLOW_THREADS;
+
     if (!result) {
         PyErr_Print();
         exit(1);
@@ -195,12 +203,7 @@ PyObject* __wxStart(PyObject* /* self */, PyObject* args)
     if (! bResult) {
         wxPythonApp->DeletePendingObjects();
         wxPythonApp->OnExit();
-#ifdef __WXMSW__
         wxApp::CleanUp();
-#endif
-#ifdef __WXGTK__
-        wxApp::CommonCleanUp();
-#endif
         PyErr_SetString(PyExc_SystemExit, "OnInit returned false, exiting...");
         return NULL;
     }
@@ -278,6 +281,29 @@ PyObject* wxPyConstructObject(void* ptr, char* className)
 }
 
 
+
+wxPyCallback::wxPyCallback(PyObject* func) {
+    m_func = func;
+    Py_INCREF(m_func);
+}
+
+wxPyCallback::~wxPyCallback() {
+#ifdef WXP_WITH_THREAD
+    //if (! wxPyInEvent)
+        PyEval_RestoreThread(wxPyEventThreadState);
+#endif
+
+    Py_DECREF(m_func);
+
+#ifdef WXP_WITH_THREAD
+    //if (! wxPyInEvent)
+        PyEval_SaveThread();
+#endif
+}
+
+
+
+
 // This function is used for all events destined for Python event handlers.
 void wxPyCallback::EventThunker(wxEvent& event) {
     wxPyCallback*   cb = (wxPyCallback*)event.m_callbackUserData;
@@ -286,6 +312,11 @@ void wxPyCallback::EventThunker(wxEvent& event) {
     PyObject*       arg;
     PyObject*       tuple;
 
+
+#ifdef WXP_WITH_THREAD
+    PyEval_RestoreThread(wxPyEventThreadState);
+    wxPyInEvent = true;
+#endif
     arg = wxPyConstructObject((void*)&event, event.GetClassInfo()->GetClassName());
 
     tuple = PyTuple_New(1);
@@ -298,6 +329,10 @@ void wxPyCallback::EventThunker(wxEvent& event) {
     } else {
         PyErr_Print();
     }
+#ifdef WXP_WITH_THREAD
+    PyEval_SaveThread();
+    wxPyInEvent = false;
+#endif
 }
 
 
@@ -313,27 +348,53 @@ wxPyMenu::wxPyMenu(const wxString& title, PyObject* _func)
 }
 
 wxPyMenu::~wxPyMenu() {
+#ifdef WXP_WITH_THREAD
+    //if (! wxPyInEvent)
+        PyEval_RestoreThread(wxPyEventThreadState);
+#endif
+
     if (func)
         Py_DECREF(func);
+
+#ifdef WXP_WITH_THREAD
+    //if (! wxPyInEvent)
+        PyEval_SaveThread();
+#endif
 }
 
 
 void wxPyMenu::MenuCallback(wxMenu& menu, wxCommandEvent& evt) {
-    PyObject* evtobj  = wxPyConstructObject((void*)&evt, "wxCommandEvent");
-    PyObject* menuobj = wxPyConstructObject((void*)&menu, "wxMenu");
+    PyObject* evtobj;
+    PyObject* menuobj;
+    PyObject* func;
+    PyObject* args;
+    PyObject* res;
+
+#ifdef WXP_WITH_THREAD
+    PyEval_RestoreThread(wxPyEventThreadState);
+    wxPyInEvent = true;
+#endif
+    evtobj  = wxPyConstructObject((void*)&evt, "wxCommandEvent");
+    menuobj = wxPyConstructObject((void*)&menu, "wxMenu");
     if (PyErr_Occurred()) {
         // bail out if a problem
         PyErr_Print();
-        return;
+        goto done;
     }
     // Now call the callback...
-    PyObject* func = ((wxPyMenu*)&menu)->func;
-    PyObject* args = PyTuple_New(2);
+    func = ((wxPyMenu*)&menu)->func;
+    args = PyTuple_New(2);
     PyTuple_SET_ITEM(args, 0, menuobj);
     PyTuple_SET_ITEM(args, 1, evtobj);
-    PyObject* res  = PyEval_CallObject(func, args);
+    res  = PyEval_CallObject(func, args);
     Py_DECREF(args);
     Py_XDECREF(res); /* In case res is a NULL pointer */
+ done:
+#ifdef WXP_WITH_THREAD
+    PyEval_SaveThread();
+    wxPyInEvent = false;
+#endif
+    return;
 }
 
 
@@ -345,10 +406,24 @@ wxPyTimer::wxPyTimer(PyObject* callback) {
 }
 
 wxPyTimer::~wxPyTimer() {
+#ifdef WXP_WITH_THREAD
+    //if (! wxPyInEvent)
+        PyEval_RestoreThread(wxPyEventThreadState);
+#endif
+
     Py_DECREF(func);
+
+#ifdef WXP_WITH_THREAD
+    //if (! wxPyInEvent)
+        PyEval_SaveThread();
+#endif
 }
 
 void wxPyTimer::Notify() {
+#ifdef WXP_WITH_THREAD
+    PyEval_RestoreThread(wxPyEventThreadState);
+    wxPyInEvent = true;
+#endif
     PyObject*   result;
     PyObject*   args = Py_BuildValue("()");
 
@@ -360,9 +435,58 @@ void wxPyTimer::Notify() {
     } else {
         PyErr_Print();
     }
+#ifdef WXP_WITH_THREAD
+    PyEval_SaveThread();
+    wxPyInEvent = false;
+#endif
 }
 
 
+//----------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxPyEvent, wxCommandEvent)
+
+wxPyEvent::wxPyEvent(wxEventType commandType, PyObject* userData)
+    : wxCommandEvent(commandType), m_userData(Py_None)
+{
+    m_userData = userData;
+    if (m_userData != Py_None) {
+        Py_INCREF(m_userData);
+    }
+}
+
+
+wxPyEvent::~wxPyEvent() {
+#ifdef WXP_WITH_THREAD
+    //if (! wxPyInEvent)
+        PyEval_RestoreThread(wxPyEventThreadState);
+#endif
+    if (m_userData != Py_None) {
+        Py_DECREF(m_userData);
+        m_userData = Py_None;
+    }
+#ifdef WXP_WITH_THREAD
+    //if (! wxPyInEvent)
+        PyEval_SaveThread();
+#endif
+}
+
+
+void wxPyEvent::SetUserData(PyObject* userData) {
+    if (m_userData != Py_None) {
+        Py_DECREF(m_userData);
+        m_userData = Py_None;
+    }
+    m_userData = userData;
+    if (m_userData != Py_None) {
+        Py_INCREF(m_userData);
+    }
+}
+
+
+PyObject* wxPyEvent::GetUserData() {
+    return m_userData;
+}
 
 //----------------------------------------------------------------------
 //----------------------------------------------------------------------
@@ -370,6 +494,29 @@ void wxPyTimer::Notify() {
 // imcluded in every file...
 
 
+byte* byte_LIST_helper(PyObject* source) {
+    if (!PyList_Check(source)) {
+        PyErr_SetString(PyExc_TypeError, "Expected a list object.");
+        return NULL;
+    }
+    int count = PyList_Size(source);
+    byte* temp = new byte[count];
+    if (! temp) {
+        PyErr_SetString(PyExc_MemoryError, "Unable to allocate temporary array");
+        return NULL;
+    }
+    for (int x=0; x<count; x++) {
+        PyObject* o = PyList_GetItem(source, x);
+        if (! PyInt_Check(o)) {
+            PyErr_SetString(PyExc_TypeError, "Expected a list of integers.");
+            return NULL;
+        }
+        temp[x] = (byte)PyInt_AsLong(o);
+    }
+    return temp;
+}
+
+
 int* int_LIST_helper(PyObject* source) {
     if (!PyList_Check(source)) {
         PyErr_SetString(PyExc_TypeError, "Expected a list object.");
@@ -533,7 +680,6 @@ wxString* wxString_LIST_helper(PyObject* source) {
 }
 
 
-#ifdef __WXMSW__
 wxAcceleratorEntry* wxAcceleratorEntry_LIST_helper(PyObject* source) {
     if (!PyList_Check(source)) {
         PyErr_SetString(PyExc_TypeError, "Expected a list object.");
@@ -573,127 +719,83 @@ wxAcceleratorEntry* wxAcceleratorEntry_LIST_helper(PyObject* source) {
     return temp;
 }
 
-#endif
+
 
 //----------------------------------------------------------------------
-// A WinMain for when wxWindows and Python are linked together in a single
-// application, instead of as a dynamic module
+//----------------------------------------------------------------------
 
+wxPyCallbackHelper::wxPyCallbackHelper() {
+    m_self = NULL;
+    m_lastFound = NULL;
+}
 
-//#if !defined(WIN_PYD) && defined(WIN32)
 
-//extern "C" int Py_Main(int argc, char** argv);
+wxPyCallbackHelper::~wxPyCallbackHelper() {
+#ifdef WXP_WITH_THREAD
+    PyEval_RestoreThread(wxPyEventThreadState);
+#endif
 
-//int APIENTRY WinMain(HANDLE hInstance, HANDLE hPrevInstance, LPSTR m_lpCmdLine,
-//                    int nCmdShow )
-//{
+    Py_XDECREF(m_self);
 
-//    wxpCreateApp();
+#ifdef WXP_WITH_THREAD
+    PyEval_SaveThread();
+#endif
+}
 
-//        // Initialize wxWindows, but don't start the main loop
-//    wxEntry(hInstance, hPrevInstance, m_lpCmdLine, nCmdShow, FALSE);
+void wxPyCallbackHelper::setSelf(PyObject* self) {
+    m_self = self;
+    Py_INCREF(m_self);
+}
 
-//    Py_Initialize();
-//    PyObject *argvList = PyList_New(0);
 
-//    char*   stderrfilename = "wxpstderr.log";
-//    int     pyargc = 1;
-//    char*   script = NULL;
-//    int     argc = wxPythonApp->argc;
-//    char**  argv = wxPythonApp->argv;
 
-//    for (int i = 1; i < argc; i++) {
-//        if (strncmp(argv[i], "wxpstderr=", 10) == 0)
-//            stderrfilename = argv[i]+10;
-//        else {
-//            PyList_Append(argvList, PyString_FromString(argv[i]));
-//            if (!script)
-//                script = argv[i];
-//            pyargc++;
-//        }
-//    }
+bool wxPyCallbackHelper::findCallback(const wxString& name) {
+    m_lastFound = NULL;
+    if (m_self && PyObject_HasAttrString(m_self, (char*)name.c_str()))
+        m_lastFound = PyObject_GetAttrString(m_self, (char*)name.c_str());
 
-//    PySys_SetObject("argv", argvList);
+    return m_lastFound != NULL;
+}
 
-//#if 1
-//    char buf[256];
-////    //PyRun_SimpleString("import sys; sys.stdout=open('wxpstdout.log','w')");
-//    sprintf(buf, "import sys; sys.stdout=sys.stderr=open('%s','w')", stderrfilename);
-//    PyRun_SimpleString(buf);
-//#endif
 
-//    initwxPythonc();
+int wxPyCallbackHelper::callCallback(PyObject* argTuple) {
+    PyObject*   result;
+    int         retval = FALSE;
 
-//    if (script) {
-//        FILE *fp = fopen(script, "r");
-//        if (fp) {
-//            PyRun_SimpleFile(fp, script);// This returns after wxpApp constructor
-//            fclose(fp);
-//        }
-//        else {
-//            char msg[256];
-//            sprintf(msg, "Cannot open %s", script);
-//            wxMessageBox(msg);
-//        }
-//    }
-//    else
-//        PyRun_SimpleString("import wxpide");
+    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...
+    }
+#ifdef WXP_WITH_THREAD
+    PyEval_SaveThread();
+#endif
+    return retval;
+}
+
+// Invoke the Python callable object, returning the raw PyObject return
+// value.  Caller should DECREF the return value and also call PyEval_SaveThread.
+PyObject* wxPyCallbackHelper::callCallbackObj(PyObject* argTuple) {
+#ifdef WXP_WITH_THREAD
+    PyEval_RestoreThread(wxPyEventThreadState);
+#endif
+    PyObject*   result;
+
+    result = PyEval_CallObject(m_lastFound, argTuple);
+    Py_DECREF(argTuple);
+    if (!result) {
+        PyErr_Print();
+    }
+    return result;
+}
 
-//    return 0;
-//}
 
 
-//#endif
 
 //----------------------------------------------------------------------
+//----------------------------------------------------------------------
+//----------------------------------------------------------------------
+
+
 
-/////////////////////////////////////////////////////////////////////////////
-//
-// $Log$
-// 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
-//
-//