X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5aad18a52bd34084e11c13753204c03aa3ff1686..7fca7a731d1b2bc4a7b1fb6275a1c92ffa49cf75:/src/common/appcmn.cpp

diff --git a/src/common/appcmn.cpp b/src/common/appcmn.cpp
index 1e30f70f15..e6a72a3d27 100644
--- a/src/common/appcmn.cpp
+++ b/src/common/appcmn.cpp
@@ -26,13 +26,12 @@
 
 #ifndef WX_PRECOMP
     #include "wx/app.h"
+    #include "wx/window.h"
     #include "wx/bitmap.h"
-    #include "wx/intl.h"
-    #include "wx/list.h"
     #include "wx/log.h"
     #include "wx/msgdlg.h"
-    #include "wx/bitmap.h"
     #include "wx/confbase.h"
+    #include "wx/utils.h"
 #endif
 
 #include "wx/apptrait.h"
@@ -40,9 +39,15 @@
 #include "wx/evtloop.h"
 #include "wx/msgout.h"
 #include "wx/thread.h"
-#include "wx/utils.h"
+#include "wx/vidmode.h"
 #include "wx/ptr_scpd.h"
 
+#ifdef __WXDEBUG__
+    #if wxUSE_STACKWALKER
+        #include "wx/stackwalk.h"
+    #endif // wxUSE_STACKWALKER
+#endif // __WXDEBUG__
+
 #if defined(__WXMSW__)
     #include  "wx/msw/private.h"  // includes windows.h for LOGFONT
 #endif
@@ -55,6 +60,7 @@
 #include "wx/build.h"
 WX_CHECK_BUILD_OPTIONS("wxCore")
 
+WXDLLIMPEXP_DATA_CORE(wxList) wxPendingDelete;
 
 // ----------------------------------------------------------------------------
 // wxEventLoopPtr
@@ -74,12 +80,13 @@ wxDEFINE_TIED_SCOPED_PTR_TYPE(wxEventLoop)
 wxAppBase::wxAppBase()
 {
     m_topWindow = (wxWindow *)NULL;
+    
     m_useBestVisual = false;
+    m_forceTrueColour = false;
+    
     m_isActive = true;
 
-#if wxUSE_EVTLOOP_IN_APP
     m_mainLoop = NULL;
-#endif // wxUSE_EVTLOOP_IN_APP
 
     // We don't want to exit the app if the user code shows a dialog from its
     // OnInit() -- but this is what would happen if we set m_exitOnFrameDelete
@@ -106,7 +113,6 @@ bool wxAppBase::Initialize(int& argcOrig, wxChar **argvOrig)
 #endif
 
     wxInitializeStockLists();
-    wxInitializeStockObjects();
 
     wxBitmap::InitStandardHandlers();
 
@@ -139,7 +145,7 @@ void wxAppBase::CleanUp()
     // undo everything we did in Initialize() above
     wxBitmap::CleanUpHandlers();
 
-    wxDeleteStockObjects();
+    wxStockGDI::DeleteAll();
 
     wxDeleteStockLists();
 
@@ -160,6 +166,41 @@ void wxAppBase::CleanUp()
 #endif // wxUSE_THREADS
 }
 
+// ----------------------------------------------------------------------------
+// various accessors
+// ----------------------------------------------------------------------------
+
+wxWindow* wxAppBase::GetTopWindow() const
+{
+    wxWindow* window = m_topWindow;
+    if (window == NULL && wxTopLevelWindows.GetCount() > 0)
+        window = wxTopLevelWindows.GetFirst()->GetData();
+    return window;
+}
+
+wxVideoMode wxAppBase::GetDisplayMode() const
+{
+    return wxVideoMode();
+}
+
+wxLayoutDirection wxAppBase::GetLayoutDirection() const
+{
+#if wxUSE_INTL
+    const wxLocale *const locale = wxGetLocale();
+    if ( locale )
+    {
+        const wxLanguageInfo *const
+            info = wxLocale::GetLanguageInfo(locale->GetLanguage());
+
+        if ( info )
+            return info->LayoutDirection;
+    }
+#endif // wxUSE_INTL
+
+    // we don't know
+    return wxLayout_Default;
+}
+
 #if wxUSE_CMDLINE_PARSER
 
 // ----------------------------------------------------------------------------
@@ -262,51 +303,37 @@ bool wxAppBase::OnCmdLineParsed(wxCmdLineParser& parser)
 
 int wxAppBase::MainLoop()
 {
-#if wxUSE_EVTLOOP_IN_APP
     wxEventLoopTiedPtr mainLoop(&m_mainLoop, new wxEventLoop);
 
     return m_mainLoop->Run();
-#else // !wxUSE_EVTLOOP_IN_APP
-    return 0;
-#endif // wxUSE_EVTLOOP_IN_APP/!wxUSE_EVTLOOP_IN_APP
 }
 
 void wxAppBase::ExitMainLoop()
 {
-#if wxUSE_EVTLOOP_IN_APP
     // we should exit from the main event loop, not just any currently active
     // (e.g. modal dialog) event loop
     if ( m_mainLoop && m_mainLoop->IsRunning() )
     {
         m_mainLoop->Exit(0);
     }
-#endif // wxUSE_EVTLOOP_IN_APP
 }
 
 bool wxAppBase::Pending()
 {
-#if wxUSE_EVTLOOP_IN_APP
     // use the currently active message loop here, not m_mainLoop, because if
     // we're showing a modal dialog (with its own event loop) currently the
     // main event loop is not running anyhow
     wxEventLoop * const loop = wxEventLoop::GetActive();
 
     return loop && loop->Pending();
-#else // wxUSE_EVTLOOP_IN_APP
-    return false;
-#endif // wxUSE_EVTLOOP_IN_APP/!wxUSE_EVTLOOP_IN_APP
 }
 
 bool wxAppBase::Dispatch()
 {
-#if wxUSE_EVTLOOP_IN_APP
     // see comment in Pending()
     wxEventLoop * const loop = wxEventLoop::GetActive();
 
     return loop && loop->Dispatch();
-#else // wxUSE_EVTLOOP_IN_APP
-    return true;
-#endif // wxUSE_EVTLOOP_IN_APP/!wxUSE_EVTLOOP_IN_APP
 }
 
 // ----------------------------------------------------------------------------
@@ -372,6 +399,10 @@ void wxAppBase::SetActive(bool active, wxWindow * WXUNUSED(lastFocus))
     (void)ProcessEvent(event);
 }
 
+// ----------------------------------------------------------------------------
+// idle handling
+// ----------------------------------------------------------------------------
+
 void wxAppBase::DeletePendingObjects()
 {
     wxList::compatibility_iterator node = wxPendingDelete.GetFirst();
@@ -379,11 +410,14 @@ void wxAppBase::DeletePendingObjects()
     {
         wxObject *obj = node->GetData();
 
-        delete obj;
-
-        if (wxPendingDelete.Member(obj))
+        // remove it from the list first so that if we get back here somehow
+        // during the object deletion (e.g. wxYield called from its dtor) we
+        // wouldn't try to delete it the second time
+        if ( wxPendingDelete.Member(obj) )
             wxPendingDelete.Erase(node);
 
+        delete obj;
+
         // Deleting one object may have deleted other pending
         // objects, so start from beginning of list again.
         node = wxPendingDelete.GetFirst();
@@ -463,6 +497,24 @@ void wxAppBase::OnIdle(wxIdleEvent& WXUNUSED(event))
 
 }
 
+// ----------------------------------------------------------------------------
+// exceptions support
+// ----------------------------------------------------------------------------
+
+#if wxUSE_EXCEPTIONS
+
+bool wxAppBase::OnExceptionInMainLoop()
+{
+    throw;
+
+    // some compilers are too stupid to know that we never return after throw
+#if defined(__DMC__) || (defined(_MSC_VER) && _MSC_VER < 1200)
+    return false;
+#endif
+}
+
+#endif // wxUSE_EXCEPTIONS
+
 // ----------------------------------------------------------------------------
 // wxGUIAppTraitsBase
 // ----------------------------------------------------------------------------
@@ -519,15 +571,27 @@ wxRendererNative *wxGUIAppTraitsBase::CreateRenderer()
 
 bool wxGUIAppTraitsBase::ShowAssertDialog(const wxString& msg)
 {
+#if defined(__WXMSW__) || !wxUSE_MSGDLG
     // under MSW we prefer to use the base class version using ::MessageBox()
     // even if wxMessageBox() is available because it has less chances to
     // double fault our app than our wxMessageBox()
-#if defined(__WXMSW__) || !wxUSE_MSGDLG
     return wxAppTraitsBase::ShowAssertDialog(msg);
 #else // wxUSE_MSGDLG
+    wxString msgDlg = msg;
+
+#if wxUSE_STACKWALKER
+    // on Unix stack frame generation may take some time, depending on the
+    // size of the executable mainly... warn the user that we are working
+    wxFprintf(stderr, wxT("[Debug] Generating a stack trace... please wait"));
+    fflush(stderr);
+
+    const wxString stackTrace = GetAssertStackTrace();
+    if ( !stackTrace.empty() )
+        msgDlg << _T("\n\nCall stack:\n") << stackTrace;
+#endif // wxUSE_STACKWALKER
+
     // this message is intentionally not translated -- it is for
     // developpers only
-    wxString msgDlg(msg);
     msgDlg += wxT("\nDo you want to stop the program?\n")
               wxT("You can also choose [Cancel] to suppress ")
               wxT("further warnings.");