X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/14af60da8bd10a243f1839eec5796f480d24e897..05e00ac5ef410707da86d98786cbb268100a7337:/wxPython/src/helpers.cpp

diff --git a/wxPython/src/helpers.cpp b/wxPython/src/helpers.cpp
index 5ea1b5c9aa..edb5a91791 100644
--- a/wxPython/src/helpers.cpp
+++ b/wxPython/src/helpers.cpp
@@ -29,6 +29,7 @@
 #include <gdk/gdkprivate.h>
 #include <wx/gtk/win_gtk.h>
 #define GetXWindow(wxwin)   GDK_WINDOW_XWINDOW((wxwin)->m_widget->window)
+#include <locale.h>
 #endif
 
 #ifdef __WXX11__
@@ -78,6 +79,7 @@ wxMutex*              wxPyTMutex = NULL;
 
 static PyObject* wxPython_dict = NULL;
 static PyObject* wxPyAssertionError = NULL;
+static PyObject* wxPyNoAppError = NULL;
 
 PyObject* wxPyPtrTypeMap = NULL;
 
@@ -398,15 +400,28 @@ void wxPyApp::_BootstrapApp()
     }
     wxPyEndBlockThreads(blocked);
 
+    // Initialize wxWidgets
     result = wxEntryStart(argc, argv);
     delete [] argv;
 
     blocked = wxPyBeginBlockThreads();
     if (! result)  {
-        PyErr_SetString(PyExc_SystemError, "wxEntryStart failed!");
+        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 needs to have LC_NUMERIC set to "C" in order for the floating
+    // point conversions and such to work right.
+#ifdef __WXGTK__
+    setlocale(LC_NUMERIC, "C");
+#endif
+    
     // The stock objects were all NULL when they were loaded into
     // SWIG generated proxies, so re-init those now...
     wxPy_ReinitStockObjects(3);
@@ -437,7 +452,6 @@ void wxPyApp::_BootstrapApp()
         result = True;
     }
 
-
     if (! result) {
         PyErr_SetString(PyExc_SystemExit, "OnInit returned False, exiting...");
     }
@@ -498,8 +512,8 @@ inline const char* dropwx(const char* name) {
 
 //----------------------------------------------------------------------
 
-// This function is called when the wxc module is imported to do some initial
-// setup.  (Before there is a wxApp object.)  The rest happens in
+// 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)
 {
@@ -523,6 +537,8 @@ void __wxPyPreStart(PyObject* moduleDict)
 
     // Init the stock objects to a non-NULL value so SWIG doesn't create them as None
     wxPy_ReinitStockObjects(1);
+
+    wxInitAllImageHandlers();
 }
 
 
@@ -552,7 +568,8 @@ PyObject* __wxPySetDictionary(PyObject* /* self */, PyObject* args)
         return NULL;
 
     if (!PyDict_Check(wxPython_dict)) {
-        PyErr_SetString(PyExc_TypeError, "_wxPySetDictionary must have dictionary object!");
+        PyErr_SetString(PyExc_TypeError,
+                        "_wxPySetDictionary must have dictionary object!");
         return NULL;
     }
 
@@ -565,6 +582,12 @@ PyObject* __wxPySetDictionary(PyObject* /* self */, PyObject* args)
                                             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__"
@@ -621,7 +644,12 @@ PyObject* __wxPySetDictionary(PyObject* /* self */, PyObject* args)
     _AddInfoString("gtk1");
 #endif
 #endif
-
+#ifdef __WXDEBUG__
+    _AddInfoString("wx-assertions-on");
+#else
+    _AddInfoString("wx-assertions-off");
+#endif
+    
 #undef _AddInfoString
 
     PyObject* PlatInfoTuple = PyList_AsTuple(PlatInfo);
@@ -650,20 +678,20 @@ bool wxPySwigInstance_Check(PyObject* obj) {
 
 //---------------------------------------------------------------------------
 
-// The stock objects are no longer created when the wxc module is imported,
-// but only after the app object has been created.  The
+// The stock objects are no longer created when the wx._core_ module is
+// imported, but only after the app object has been created.  The
 // wxPy_ReinitStockObjects function will be called 3 times to pass the stock
 // objects though various stages of evolution:
 //
 //   pass 1: Set all the pointers to a non-NULL value so the Python proxy
-//           object will be created (otherwise it will just use None.)
+//           object will be created (otherwise SWIG will just use None.)
 //
 //   pass 2: After the module has been imported and the python proxys have
 //           been created, then set the __class__ to be _wxPyUnbornObject so
 //           it will catch any access to the object and will raise an exception.
 //
-//   pass 3: Finally, from OnInit patch things up so the stock objects can
-//           be used.
+//   pass 3: Finally, from BootstrapApp patch things up so the stock objects
+//           can be used.
 
 
 PyObject* __wxPyFixStockObjects(PyObject* /* self */, PyObject* args)
@@ -720,6 +748,17 @@ static void rsoPass3(const char* name, const char* classname, void* ptr)
 void wxPy_ReinitStockObjects(int pass)
 {
 
+    // If there is already an App object then wxPython is probably embedded in
+    // a wx C++ application, so there is no need to do all this.
+    static bool embedded = false;
+    if ((pass == 1 || pass == 2) && wxTheApp) {
+        embedded = true;
+        return;
+    }
+    if (pass == 3 && embedded)
+        return;
+
+
 #define REINITOBJ(name, classname) \
     if (pass == 1) { name = (classname*)0xC0C0C0C0; } \
     else if (pass == 2) { rsoPass2(#name); } \
@@ -730,17 +769,7 @@ void wxPy_ReinitStockObjects(int pass)
     if (pass == 1) { } \
     else if (pass == 2) { rsoPass2(#name); } \
     else if (pass == 3) { rsoPass3(#name, #classname, (void*)&name); }
-
-    // If there is already an App object then wxPython is probably embedded in
-    // a wx C++ application, so there is no need to do all this.
-    static bool embedded = false;
-    if ((pass == 1 || pass == 2) && wxTheApp) {
-        embedded = true;
-        return;
-    }
-    if (pass == 3 && embedded)
-        return;
-    
+       
 
     REINITOBJ(wxNORMAL_FONT, wxFont);
     REINITOBJ(wxSMALL_FONT, wxFont);
@@ -807,6 +836,22 @@ void wxPy_ReinitStockObjects(int pass)
 
 //---------------------------------------------------------------------------
 
+// 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 wxPyClientData_dtor(wxPyClientData* self) {
     if (! wxPyDoingCleanup) {           // Don't do it during cleanup as Python
                                         // may have already garbage collected the object...