fix memory leak in wxScreenDC, fixes #13249

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

diff --git a/src/common/containr.cpp b/src/common/containr.cpp
index d441b5c7c469e30d08e690437f460c9889359af4..dd4e892faf978871e76bf37434160d01dd3e2970 100644 (file)
--- a/src/common/containr.cpp
+++ b/src/common/containr.cpp
@@ -6,7 +6,7 @@
 // Created:     06.08.01
 // RCS-ID:      $Id$
 // Copyright:   (c) 2001 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
-// License:     wxWindows licence
+// Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
@@ -37,7 +37,7 @@
 #endif //WX_PRECOMP
 
 // trace mask for focus messages
-#define TRACE_FOCUS _T("focus")
+#define TRACE_FOCUS wxT("focus")
 
 // ============================================================================
 // implementation
@@ -79,7 +79,7 @@ bool wxControlContainerBase::HasAnyFocusableChildren() const
 
 bool wxControlContainerBase::DoSetFocus()
 {
-    wxLogTrace(TRACE_FOCUS, _T("SetFocus on wxPanel 0x%p."),
+    wxLogTrace(TRACE_FOCUS, wxT("SetFocus on wxPanel 0x%p."),
                m_winParent->GetHandle());
 
     if (m_inSetFocus)
@@ -157,7 +157,7 @@ void wxControlContainer::SetLastFocus(wxWindow *win)
                 // (under wxGTK)
 
                 wxASSERT_MSG( winParent,
-                              _T("Setting last focus for a window that is not our child?") );
+                              wxT("Setting last focus for a window that is not our child?") );
             }
         }
 
@@ -165,13 +165,13 @@ void wxControlContainer::SetLastFocus(wxWindow *win)
 
         if ( win )
         {
-            wxLogTrace(TRACE_FOCUS, _T("Set last focus to %s(%s)"),
+            wxLogTrace(TRACE_FOCUS, wxT("Set last focus to %s(%s)"),
                        win->GetClassInfo()->GetClassName(),
                        win->GetLabel().c_str());
         }
         else
         {
-            wxLogTrace(TRACE_FOCUS, _T("No more last focus"));
+            wxLogTrace(TRACE_FOCUS, wxT("No more last focus"));
         }
     }
 
@@ -203,7 +203,7 @@ wxRadioButton* wxGetPreviousButtonInGroup(wxRadioButton *btn)
 
     const wxWindowList& siblings = btn->GetParent()->GetChildren();
     wxWindowList::compatibility_iterator nodeThis = siblings.Find(btn);
-    wxCHECK_MSG( nodeThis, NULL, _T("radio button not a child of its parent?") );
+    wxCHECK_MSG( nodeThis, NULL, wxT("radio button not a child of its parent?") );
 
     // Iterate over all previous siblings until we find the next radio button
     wxWindowList::compatibility_iterator nodeBefore = nodeThis->GetPrevious();
@@ -233,7 +233,7 @@ wxRadioButton* wxGetNextButtonInGroup(wxRadioButton *btn)
 
     const wxWindowList& siblings = btn->GetParent()->GetChildren();
     wxWindowList::compatibility_iterator nodeThis = siblings.Find(btn);
-    wxCHECK_MSG( nodeThis, NULL, _T("radio button not a child of its parent?") );
+    wxCHECK_MSG( nodeThis, NULL, wxT("radio button not a child of its parent?") );
 
     // Iterate over all previous siblings until we find the next radio button
     wxWindowList::compatibility_iterator nodeNext = nodeThis->GetNext();
@@ -316,7 +316,10 @@ wxRadioButton* wxGetSelectedButtonInGroup(wxRadioButton *btn)
 
 void wxControlContainer::HandleOnNavigationKey( wxNavigationKeyEvent& event )
 {
-    wxWindow *parent = m_winParent->GetParent();
+    // for a TLW we shouldn't involve the parent window, it has nothing to do
+    // with keyboard navigation inside this TLW
+    wxWindow *parent = m_winParent->IsTopLevel() ? NULL
+                                                 : m_winParent->GetParent();
 
     // the event is propagated downwards if the event emitter was our parent
     bool goingDown = event.GetEventObject() == parent;
@@ -395,7 +398,7 @@ void wxControlContainer::HandleOnNavigationKey( wxNavigationKeyEvent& event )
     {
         // just to be sure it's not used (normally this is not necessary, but
         // doesn't hurt neither)
-        m_winLastFocused = (wxWindow *)NULL;
+        m_winLastFocused = NULL;
 
         // start from first or last depending on where we're going
         node = forward ? children.GetFirst() : children.GetLast();
@@ -529,24 +532,27 @@ void wxControlContainer::HandleOnNavigationKey( wxNavigationKeyEvent& event )
                   wxIsKindOf(m_winLastFocused, wxRadioButton) &&
                   !m_winLastFocused->HasFlag(wxRB_SINGLE) )
         {
+            wxRadioButton * const
+                lastBtn = static_cast<wxRadioButton *>(m_winLastFocused);
+
             // cursor keys don't navigate out of a radio button group so
             // find the correct radio button to focus
             if ( forward )
             {
-                child = wxGetNextButtonInGroup((wxRadioButton*)m_winLastFocused);
+                child = wxGetNextButtonInGroup(lastBtn);
                 if ( !child )
                 {
                     // no next button in group, set it to the first button
-                    child = wxGetFirstButtonInGroup((wxRadioButton*)m_winLastFocused);
+                    child = wxGetFirstButtonInGroup(lastBtn);
                 }
             }
             else
             {
-                child = wxGetPreviousButtonInGroup((wxRadioButton*)m_winLastFocused);
+                child = wxGetPreviousButtonInGroup(lastBtn);
                 if ( !child )
                 {
                     // no previous button in group, set it to the last button
-                    child = wxGetLastButtonInGroup((wxRadioButton*)m_winLastFocused);
+                    child = wxGetLastButtonInGroup(lastBtn);
                 }
             }
 
@@ -607,7 +613,7 @@ void wxControlContainer::HandleOnWindowDestroy(wxWindowBase *child)
 
 void wxControlContainer::HandleOnFocus(wxFocusEvent& event)
 {
-    wxLogTrace(TRACE_FOCUS, _T("OnFocus on wxPanel 0x%p, name: %s"),
+    wxLogTrace(TRACE_FOCUS, wxT("OnFocus on wxPanel 0x%p, name: %s"),
                m_winParent->GetHandle(),
                m_winParent->GetName().c_str() );
 
@@ -635,9 +641,9 @@ bool wxControlContainer::SetFocusToChild()
 
 bool wxSetFocusToChild(wxWindow *win, wxWindow **childLastFocused)
 {
-    wxCHECK_MSG( win, false, _T("wxSetFocusToChild(): invalid window") );
+    wxCHECK_MSG( win, false, wxT("wxSetFocusToChild(): invalid window") );
     //    wxCHECK_MSG( childLastFocused, false,
-    //             _T("wxSetFocusToChild(): NULL child poonter") );
+    //             wxT("wxSetFocusToChild(): NULL child poonter") );
 
     if ( childLastFocused && *childLastFocused )
     {
@@ -645,7 +651,7 @@ bool wxSetFocusToChild(wxWindow *win, wxWindow **childLastFocused)
         if ( (*childLastFocused)->GetParent() == win )
         {
             wxLogTrace(TRACE_FOCUS,
-                       _T("SetFocusToChild() => last child (0x%p)."),
+                       wxT("SetFocusToChild() => last child (0x%p)."),
                        (*childLastFocused)->GetHandle());
 
             // not SetFocusFromKbd(): we're restoring focus back to the old
@@ -656,7 +662,7 @@ bool wxSetFocusToChild(wxWindow *win, wxWindow **childLastFocused)
         else
         {
             // it doesn't count as such any more
-            *childLastFocused = (wxWindow *)NULL;
+            *childLastFocused = NULL;
         }
     }
 
@@ -686,7 +692,7 @@ bool wxSetFocusToChild(wxWindow *win, wxWindow **childLastFocused)
 #endif // __WXMSW__
 
             wxLogTrace(TRACE_FOCUS,
-                       _T("SetFocusToChild() => first child (0x%p)."),
+                       wxT("SetFocusToChild() => first child (0x%p)."),
                        child->GetHandle());
 
             if (childLastFocused)