Fix reference ids and update Mac requirements in the introduction page.

[wxWidgets.git] / src / mgl / app.cpp

diff --git a/src/mgl/app.cpp b/src/mgl/app.cpp
index 9e38dd0ef5a31bc43a4170f4d77a99a2e85578b7..eaa8a042564a6610911a152dfafb7453ca3e8309 100644 (file)
--- a/src/mgl/app.cpp
+++ b/src/mgl/app.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        app.cpp
+// Name:        src/mgl/app.cpp
 // Author:      Vaclav Slavik
 //              based on GTK and MSW implementations
 // Id:          $Id$
@@ -7,10 +7,6 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-    #pragma implementation "app.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
@@ -18,24 +14,25 @@
     #pragma hdrstop
 #endif
 
+#include "wx/app.h"
 
 #ifndef WX_PRECOMP
     #include "wx/settings.h"
-    #include "wx/module.h"
-    #include "wx/evtloop.h"
     #include "wx/frame.h"
     #include "wx/dialog.h"
     #include "wx/log.h"
     #include "wx/intl.h"
+    #include "wx/module.h"
 #endif
 
-#include "wx/app.h"
+#include "wx/evtloop.h"
 #include "wx/fontutil.h"
 #include "wx/univ/theme.h"
 #include "wx/univ/renderer.h"
 #include "wx/univ/colschem.h"
 #include "wx/sysopt.h"
 #include "wx/mgl/private.h"
+#include "wx/private/fontmgr.h"
 
 //-----------------------------------------------------------------------------
 // wxApp::Exit()
@@ -47,54 +44,6 @@ void wxApp::Exit()
     exit(0);
 }
 
-//-----------------------------------------------------------------------------
-// wxYield
-//-----------------------------------------------------------------------------
-
-static bool gs_inYield = false;
-
-bool wxApp::Yield(bool onlyIfNeeded)
-{
-    if ( gs_inYield )
-    {
-        if ( !onlyIfNeeded )
-        {
-            wxFAIL_MSG( wxT("wxYield called recursively" ) );
-        }
-
-        return false;
-    }
-
-#if wxUSE_THREADS
-    if ( !wxThread::IsMain() )
-    {
-        // can't process events from other threads, MGL is thread-unsafe
-        return true;
-    }
-#endif // wxUSE_THREADS
-
-    gs_inYield = true;
-
-    wxLog::Suspend();
-
-    if ( wxEventLoop::GetActive() )
-    {
-        while (wxEventLoop::GetActive()->Pending())
-            wxEventLoop::GetActive()->Dispatch();
-    }
-
-    /* it's necessary to call ProcessIdle() to update the frames sizes which
-       might have been changed (it also will update other things set from
-       OnUpdateUI() which is a nice (and desired) side effect) */
-    while (wxTheApp->ProcessIdle()) { }
-
-    wxLog::Resume();
-
-    gs_inYield = false;
-
-    return true;
-}
-
 
 //-----------------------------------------------------------------------------
 // wxWakeUpIdle
@@ -128,7 +77,7 @@ class wxRootWindow : public wxWindow
             SetMGLwindow_t(MGL_wmGetRootWindow(g_winMng));
             SetBackgroundColour(wxTHEME_COLOUR(DESKTOP));
         }
-        ~wxRootWindow()
+        virtual ~wxRootWindow()
         {
             // we don't want to delete MGL_WM's rootWnd
             m_wnd = NULL;
@@ -203,11 +152,6 @@ static void wxDestroyMGL_WM()
 
 IMPLEMENT_DYNAMIC_CLASS(wxApp,wxEvtHandler)
 
-BEGIN_EVENT_TABLE(wxApp, wxEvtHandler)
-    EVT_IDLE(wxAppBase::OnIdle)
-END_EVENT_TABLE()
-
-
 wxApp::wxApp()
 {
 }
@@ -280,19 +224,16 @@ bool wxApp::Initialize(int& argc, wxChar **argv)
     wxSetEnv(wxT("LFN"), wxT("N"));
 #endif
 
-    // must do it before calling wxAppBase::Initialize(), because fonts are
-    // needed by stock lists which are created there
-    wxTheFontsManager = new wxFontsManager;
-
-    if ( !wxAppBase::Initialize(argc, argv) )
-        return false;
-
+    // intialize MGL before creating wxFontsManager since it uses MGL funcs
     if ( MGL_init(".", NULL) == 0 )
     {
         wxLogError(_("Cannot initialize SciTech MGL!"));
+        return false;
+    }
 
-        wxAppBase::CleanUp();
-
+    if ( !wxAppBase::Initialize(argc, argv) )
+    {
+        MGL_exit();
         return false;
     }
 
@@ -303,17 +244,29 @@ bool wxApp::Initialize(int& argc, wxChar **argv)
     return true;
 }
 
+// Modules are cleaned up after wxApp::CleanUp(), and some modules may
+// require MGL to still be alive, e.g. the stock fonts need the fonts
+// manager. So append this module last minute in wxApp::CleanUp() to close
+// down MGL after all the other modules have been cleaned up.
+//
+struct wxMGLFinalCleanup: public wxModule
+{
+    bool OnInit() { return true; }
+
+    void OnExit()
+    {
+        wxFontsManager::CleanUp();
+
+        wxDestroyMGL_WM();
+        MGL_exit();
+    }
+};
+
 void wxApp::CleanUp()
 {
     delete gs_rootWindow;
 
     wxAppBase::CleanUp();
 
-    // must do this after calling base class CleanUp()
-    delete wxTheFontsManager;
-    wxTheFontsManager = (wxFontsManager*) NULL;
-
-    wxDestroyMGL_WM();
-    MGL_exit();
+    wxModule::RegisterModule(new wxMGLFinalCleanup);
 }
-