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

diff --git a/src/common/toplvcmn.cpp b/src/common/toplvcmn.cpp
index 7a9101dbb24d3d5c2746a12ad0cb8a8d53038851..23eaa3295b15a5af96762eed229c705e801c1bdb 100644 (file)
--- a/src/common/toplvcmn.cpp
+++ b/src/common/toplvcmn.cpp
@@ -30,6 +30,7 @@
 #ifndef WX_PRECOMP
     #include "wx/toplevel.h"
     #include "wx/dcclient.h"
+    #include "wx/app.h"
 #endif // WX_PRECOMP
 
 // ----------------------------------------------------------------------------
@@ -55,6 +56,23 @@ wxTopLevelWindowBase::wxTopLevelWindowBase()
 {
 }
 
+wxTopLevelWindowBase::~wxTopLevelWindowBase()
+{
+    // don't let wxTheApp keep any stale pointers to us
+    if ( wxTheApp && wxTheApp->GetTopWindow() == this )
+        wxTheApp->SetTopWindow(NULL);
+
+    bool shouldExit = IsLastBeforeExit();
+
+    wxTopLevelWindows.DeleteObject(this);
+
+    if ( shouldExit )
+    {
+        // then do it
+        wxTheApp->ExitMainLoop();
+    }
+}
+
 bool wxTopLevelWindowBase::Destroy()
 {
     // delayed destruction: the frame will be deleted during the next idle
@@ -65,6 +83,35 @@ bool wxTopLevelWindowBase::Destroy()
     return TRUE;
 }
 
+bool wxTopLevelWindowBase::IsLastBeforeExit() const
+{
+    // we exit the application if there are no more top level windows left
+    // normally but wxApp can prevent this from happening
+    return wxTopLevelWindows.GetCount() == 1 &&
+            wxTopLevelWindows.GetFirst()->GetData() == (wxWindow *)this &&
+            wxTheApp && wxTheApp->GetExitOnFrameDelete();
+}
+
+// ----------------------------------------------------------------------------
+// wxTopLevelWindow geometry
+// ----------------------------------------------------------------------------
+
+wxSize wxTopLevelWindowBase::GetMaxSize() const
+{
+    wxSize  size( GetMaxWidth(), GetMaxHeight() );
+    int     w, h;
+
+    wxClientDisplayRect( 0, 0, &w, &h );
+
+    if( size.GetWidth() == -1 )
+        size.SetWidth( w );
+
+    if( size.GetHeight() == -1 )
+        size.SetHeight( h );
+
+    return size;
+}
+
 // ----------------------------------------------------------------------------
 // wxTopLevelWindow size management: we exclude the areas taken by
 // menu/status/toolbars from the client area, so the client area is what's
@@ -105,14 +152,12 @@ void wxTopLevelWindowBase::DoClientToScreen(int *x, int *y) const
 // whole client area
 void wxTopLevelWindowBase::OnSize(wxSizeEvent& WXUNUSED(event))
 {
-    // if we're using constraints - do use them
-#if wxUSE_CONSTRAINTS
+    // if we're using constraints or sizers - do use them
     if ( GetAutoLayout() )
     {
         Layout();
     }
     else
-#endif // wxUSE_CONSTRAINTS
     {
         // do we have _exactly_ one child?
         wxWindow *child = (wxWindow *)NULL;
@@ -170,3 +215,4 @@ bool wxTopLevelWindowBase::SendIconizeEvent(bool iconized)
     return GetEventHandler()->ProcessEvent(event);
 }
 
+// vi:sts=4:sw=4:et