correcting CGImage handling to be always correctly initialized and freed on OSX build...

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

diff --git a/src/common/toplvcmn.cpp b/src/common/toplvcmn.cpp
index 7a9101dbb24d3d5c2746a12ad0cb8a8d53038851..83361facd64902d08ebcabef78d360d76a82ad9b 100644 (file)
--- a/src/common/toplvcmn.cpp
+++ b/src/common/toplvcmn.cpp
@@ -4,7 +4,7 @@
 // Author:      Julian Smart, Vadim Zeitlin
 // Created:     01/02/97
 // Id:          $Id$
-// Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
+// Copyright:   (c) 1998 Robert Roebling and Julian Smart
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
@@ -16,10 +16,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __GNUG__
-    #pragma implementation "toplevelbase.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
@@ -30,6 +26,7 @@
 #ifndef WX_PRECOMP
     #include "wx/toplevel.h"
     #include "wx/dcclient.h"
+    #include "wx/app.h"
 #endif // WX_PRECOMP
 
 // ----------------------------------------------------------------------------
@@ -45,7 +42,7 @@ END_EVENT_TABLE()
 // implementation
 // ============================================================================
 
-IMPLEMENT_DYNAMIC_CLASS(wxTopLevelWindow, wxWindow)
+IMPLEMENT_ABSTRACT_CLASS(wxTopLevelWindow, wxWindow)
 
 // ----------------------------------------------------------------------------
 // construction/destruction
@@ -53,6 +50,25 @@ IMPLEMENT_DYNAMIC_CLASS(wxTopLevelWindow, wxWindow)
 
 wxTopLevelWindowBase::wxTopLevelWindowBase()
 {
+    // Unlike windows, top level windows are created hidden by default.
+    m_isShown = false;
+}
+
+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()
@@ -62,7 +78,77 @@ bool wxTopLevelWindowBase::Destroy()
     if ( !wxPendingDelete.Member(this) )
         wxPendingDelete.Append(this);
 
-    return TRUE;
+    if (wxTopLevelWindows.GetCount() > 1)
+    {
+        // Hide it immediately. This should
+        // not be done if this TLW is the
+        // only one left since we then would
+        // risk not to get any idle events
+        // at all anymore during which we
+        // could delete any pending events.
+        Hide();
+    }
+
+    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
+// ----------------------------------------------------------------------------
+
+void wxTopLevelWindowBase::GetRectForTopLevelChildren(int *x, int *y, int *w, int *h)
+{
+    GetPosition(x,y);
+    GetSize(w,h);
+}
+
+wxSize wxTopLevelWindowBase::GetMaxSize() const
+{
+    wxSize  size( GetMaxWidth(), GetMaxHeight() );
+    int     w, h;
+
+    wxClientDisplayRect( 0, 0, &w, &h );
+
+    if( size.GetWidth() == wxDefaultCoord )
+        size.SetWidth( w );
+
+    if( size.GetHeight() == wxDefaultCoord )
+        size.SetHeight( h );
+
+    return size;
+}
+
+/* static */
+wxSize wxTopLevelWindowBase::GetDefaultSize()
+{
+    wxSize size = wxGetClientDisplayRect().GetSize();
+
+    // create proportionally bigger windows on small screens
+    if ( size.x >= 1024 )
+        size.x = 400;
+    else if ( size.x >= 800 )
+        size.x = 300;
+    else if ( size.x >= 320 )
+        size.x = 240;
+
+    if ( size.y >= 768 )
+        size.y = 250;
+    else if ( size.y > 200 )
+    {
+        size.y *= 2;
+        size.y /= 3;
+    }
+
+    return size;
 }
 
 // ----------------------------------------------------------------------------
@@ -103,20 +189,18 @@ void wxTopLevelWindowBase::DoClientToScreen(int *x, int *y) const
 
 // default resizing behaviour - if only ONE subwindow, resize to fill the
 // whole client area
-void wxTopLevelWindowBase::OnSize(wxSizeEvent& WXUNUSED(event))
+void wxTopLevelWindowBase::DoLayout()
 {
-    // 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;
-        for ( wxWindowList::Node *node = GetChildren().GetFirst();
+        for ( wxWindowList::compatibility_iterator node = GetChildren().GetFirst();
               node;
               node = node->GetNext() )
         {
@@ -170,3 +254,22 @@ bool wxTopLevelWindowBase::SendIconizeEvent(bool iconized)
     return GetEventHandler()->ProcessEvent(event);
 }
 
+// do the window-specific processing after processing the update event
+void wxTopLevelWindowBase::DoUpdateWindowUI(wxUpdateUIEvent& event)
+{
+    if ( event.GetSetEnabled() )
+        Enable(event.GetEnabled());
+
+    if ( event.GetSetText() )
+    {
+        if ( event.GetText() != GetTitle() )
+            SetTitle(event.GetText());
+    }
+}
+
+void wxTopLevelWindowBase::RequestUserAttention(int WXUNUSED(flags))
+{
+    // it's probably better than do nothing, isn't it?
+    Raise();
+}
+