X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4223cec504c3699f5986f5b6b8e9fd42e7fea6b2..686ca1b5d4867bca6c82a82078fd26291c6e6659:/src/generic/collpaneg.cpp

diff --git a/src/generic/collpaneg.cpp b/src/generic/collpaneg.cpp
index cded9aef40..8985914aa1 100644
--- a/src/generic/collpaneg.cpp
+++ b/src/generic/collpaneg.cpp
@@ -17,11 +17,14 @@
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
+#include "wx/collpane.h"
+
 #ifndef WX_PRECOMP
+    #include "wx/toplevel.h"
     #include "wx/button.h"
+    #include "wx/sizer.h"
 #endif // !WX_PRECOMP
 
-#include "wx/collpane.h"
 #include "wx/statline.h"
 
 // ----------------------------------------------------------------------------
@@ -108,8 +111,9 @@ void wxGenericCollapsiblePane::OnStateChange(const wxSize& sz)
     SetMinSize(sz);
     SetSize(sz);
 
-    wxWindow *top = wxGetTopLevelParent(this);
-    if (top)
+    wxTopLevelWindow *
+        top = wxDynamicCast(wxGetTopLevelParent(this), wxTopLevelWindow);
+    if ( top )
     {
         // we've changed our size, thus our top level parent needs to relayout
         // itself
@@ -130,17 +134,22 @@ void wxGenericCollapsiblePane::OnStateChange(const wxSize& sz)
 #endif
             top->GetSizer()->SetSizeHints(top);
 
-        if (IsCollapsed())
-        {
-            // use SetClientSize() and not SetSize() otherwise the size for
-            // e.g. a wxFrame with a menubar wouldn't be correctly set
-            top->SetClientSize(sz);
-        }
-        else
+
+        // we shouldn't attempt to resize a maximized window, whatever happens
+        if ( !top->IsMaximized() )
         {
-            // force our parent to "fit", i.e. expand so that it can honour
-            // our minimal size
-            top->Fit();
+            if ( IsCollapsed() )
+            {
+                // use SetClientSize() and not SetSize() otherwise the size for
+                // e.g. a wxFrame with a menubar wouldn't be correctly set
+                top->SetClientSize(sz);
+            }
+            else
+            {
+                // force our parent to "fit", i.e. expand so that it can honour
+                // our minimal size
+                top->Fit();
+            }
         }
     }
 }
@@ -227,4 +236,3 @@ void wxGenericCollapsiblePane::OnSize(wxSizeEvent& WXUNUSED(event))
     // this is very important to make the pane window layout show correctly
     m_pPane->Layout();
 }
-