Create a new wxStringBase class, providing a STL-like API, using

[wxWidgets.git] / src / common / appcmn.cpp

diff --git a/src/common/appcmn.cpp b/src/common/appcmn.cpp
index b17928422393ea1621d49ed2064a63a06943f57c..dd1636b598b7126cfc31f1c3bb36d05fd04223e7 100644 (file)
--- a/src/common/appcmn.cpp
+++ b/src/common/appcmn.cpp
@@ -30,26 +30,34 @@
 
 #ifndef WX_PRECOMP
     #include "wx/app.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"
 #endif
 
 #include "wx/apptrait.h"
-#if wxUSE_FONTMAP
-    #include "wx/fontmap.h"
-#endif // wxUSE_FONTMAP
 #include "wx/msgout.h"
 #include "wx/thread.h"
 #include "wx/utils.h"
 
+#if defined(__WXMSW__)
+  #include  "wx/msw/private.h"  // includes windows.h for LOGFONT
+#endif
+
+#if wxUSE_FONTMAP
+    #include "wx/fontmap.h"
+#endif // wxUSE_FONTMAP
+
 // ============================================================================
 // wxAppBase implementation
 // ============================================================================
 
 // ----------------------------------------------------------------------------
-// initialization and termination
+// initialization
 // ----------------------------------------------------------------------------
 
 wxAppBase::wxAppBase()
@@ -73,11 +81,64 @@ wxAppBase::wxAppBase()
     m_exitOnFrameDelete = Later;
 }
 
+bool wxAppBase::Initialize(int& argc, wxChar **argv)
+{
+    if ( !wxAppConsole::Initialize(argc, argv) )
+        return false;
+
+#if wxUSE_THREADS
+    wxPendingEventsLocker = new wxCriticalSection;
+#endif
+
+    wxInitializeStockLists();
+    wxInitializeStockObjects();
+
+    wxBitmap::InitStandardHandlers();
+
+    return true;
+}
+
+// ----------------------------------------------------------------------------
+// cleanup
+// ----------------------------------------------------------------------------
+
 wxAppBase::~wxAppBase()
 {
     // this destructor is required for Darwin
 }
 
+void wxAppBase::CleanUp()
+{
+    // one last chance for pending objects to be cleaned up
+    DeletePendingObjects();
+
+    wxBitmap::CleanUpHandlers();
+
+    wxDeleteStockObjects();
+
+    wxDeleteStockLists();
+
+    delete wxTheColourDatabase;
+    wxTheColourDatabase = NULL;
+
+#if wxUSE_THREADS
+    delete wxPendingEvents;
+    wxPendingEvents = NULL;
+
+    delete wxPendingEventsLocker;
+    wxPendingEventsLocker = NULL;
+
+#if wxUSE_VALIDATORS
+    // If we don't do the following, we get an apparent memory leak.
+    ((wxEvtHandler&) wxDefaultValidator).ClearEventLocker();
+#endif // wxUSE_VALIDATORS
+#endif // wxUSE_THREADS
+}
+
+// ----------------------------------------------------------------------------
+// OnXXX() hooks
+// ----------------------------------------------------------------------------
+
 bool wxAppBase::OnInitGui()
 {
 #ifdef __WXUNIVERSAL__
@@ -108,7 +169,7 @@ void wxAppBase::Exit()
 
 wxAppTraits *wxAppBase::CreateTraits()
 {
-    return wxAppTraits::CreateGUI();
+    return new wxGUIAppTraits;
 }
 
 // ----------------------------------------------------------------------------
@@ -128,6 +189,98 @@ void wxAppBase::SetActive(bool active, wxWindow * WXUNUSED(lastFocus))
     (void)ProcessEvent(event);
 }
 
+void wxAppBase::DeletePendingObjects()
+{
+    wxList::compatibility_iterator node = wxPendingDelete.GetFirst();
+    while (node)
+    {
+        wxObject *obj = node->GetData();
+
+        delete obj;
+
+        if (wxPendingDelete.Member(obj))
+            wxPendingDelete.Erase(node);
+
+        // Deleting one object may have deleted other pending
+        // objects, so start from beginning of list again.
+        node = wxPendingDelete.GetFirst();
+    }
+}
+
+// Returns TRUE if more time is needed.
+bool wxAppBase::ProcessIdle()
+{
+    wxIdleEvent event;
+    bool needMore = FALSE;
+    wxWindowList::compatibility_iterator node = wxTopLevelWindows.GetFirst();
+    node = wxTopLevelWindows.GetFirst();
+    while (node)
+    {
+        wxWindow* win = node->GetData();
+        if (SendIdleEvents(win, event))
+            needMore = TRUE;
+        node = node->GetNext();
+    }
+
+    event.SetEventObject(this);
+    (void) ProcessEvent(event);
+    if (event.MoreRequested())
+        needMore = TRUE;
+
+    wxUpdateUIEvent::ResetUpdateTime();
+    
+    return needMore;
+}
+
+// Send idle event to window and all subwindows
+bool wxAppBase::SendIdleEvents(wxWindow* win, wxIdleEvent& event)
+{
+    bool needMore = FALSE;
+
+    win->OnInternalIdle();
+
+    if (wxIdleEvent::CanSend(win))
+    {
+        event.SetEventObject(win);
+        win->GetEventHandler()->ProcessEvent(event);
+
+        if (event.MoreRequested())
+            needMore = TRUE;
+    }
+    wxWindowList::compatibility_iterator node = win->GetChildren().GetFirst();
+    while ( node )
+    {
+        wxWindow *child = node->GetData();
+        if (SendIdleEvents(child, event))
+            needMore = TRUE;
+
+        node = node->GetNext();
+    }
+
+    return needMore;
+}
+
+void wxAppBase::OnIdle(wxIdleEvent& WXUNUSED(event))
+{
+    // If there are pending events, we must process them: pending events
+    // are either events to the threads other than main or events posted
+    // with wxPostEvent() functions
+    // GRG: I have moved this here so that all pending events are processed
+    //   before starting to delete any objects. This behaves better (in
+    //   particular, wrt wxPostEvent) and is coherent with wxGTK's current
+    //   behaviour. Changed Feb/2000 before 2.1.14
+    ProcessPendingEvents();
+
+    // 'Garbage' collection of windows deleted with Close().
+    DeletePendingObjects();
+
+#if wxUSE_LOG
+    // flush the logged messages if any
+    wxLog::FlushActive();
+#endif // wxUSE_LOG
+
+}
+
 // ----------------------------------------------------------------------------
 // wxGUIAppTraitsBase
 // ----------------------------------------------------------------------------
@@ -228,12 +381,3 @@ void wxGUIAppTraitsBase::RemoveFromPendingDelete(wxObject *object)
     wxPendingDelete.DeleteObject(object);
 }
 
-// ----------------------------------------------------------------------------
-// wxAppTraits
-// ----------------------------------------------------------------------------
-
-wxAppTraits *wxAppTraitsBase::CreateGUI()
-{
-    return new wxGUIAppTraits;
-}
-