*** empty log message ***

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

diff --git a/src/common/wincmn.cpp b/src/common/wincmn.cpp
index a877e3548649b800ce9ead5b1fb40f6634d0c13e..2665e8d0ec4db857086d5373590a1eda156759ad 100644 (file)
--- a/src/common/wincmn.cpp
+++ b/src/common/wincmn.cpp
@@ -191,6 +191,16 @@ wxWindowBase::~wxWindowBase()
 
     wxASSERT_MSG( GetChildren().GetCount() == 0, _T("children not destroyed") );
 
+    // make sure that there are no dangling pointers left pointing to us
+    wxPanel *panel = wxDynamicCast(GetParent(), wxPanel);
+    if ( panel )
+    {
+        if ( panel->GetLastFocus() == this )
+        {
+            panel->SetLastFocus((wxWindow *)NULL);
+        }
+    }
+
 #if wxUSE_CARET
     if ( m_caret )
         delete m_caret;
@@ -316,14 +326,43 @@ void wxWindowBase::Centre(int direction)
     Move(new_x, new_y);
 }
 
+// Center TopLevel windows over thier parent instead of the whole screen
+void wxWindowBase::CentreOnParent(int direction)
+{
+    wxPoint     ppos;
+    wxSize      psze;
+    wxSize      wsze;
+    wxWindow*   parent = GetParent();
+    int         x, y;
+
+    if (!parent || !IsTopLevel()) {
+        Centre(direction);
+        return;
+    }
+
+    psze = parent->GetSize();
+    ppos = parent->ClientToScreen(wxPoint(0,0));
+    wsze = GetSize();
+
+    x = y = -1;
+
+    if (direction == wxBOTH || direction == wxHORIZONTAL)
+        x = ppos.x + (psze.x  - wsze.x)/2;
+    if (direction == wxBOTH || direction == wxVERTICAL)
+        y = ppos.y + (psze.y - wsze.y)/2;
+
+    Move(x, y);
+}
+
 // fits the window around the children
 void wxWindowBase::Fit()
 {
     int maxX = 0,
         maxY = 0;
 
-    wxWindowList::Node *node = GetChildren().GetFirst();
-    while ( node )
+    for ( wxWindowList::Node *node = GetChildren().GetFirst();
+          node;
+          node = node->GetNext() )
     {
         wxWindow *win = node->GetData();
         if ( win->IsTopLevel() )
@@ -340,8 +379,6 @@ void wxWindowBase::Fit()
             maxX = wx + ww;
         if ( wy + wh > maxY )
             maxY = wy + wh;
-
-        node = node->GetNext();
     }
 
     // leave a margin