X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8bf30fe9b0b40d1a6f54608588121212c2c4e037..d0af5538d676fdc5f7620233ee24f43832b80bff:/src/common/wincmn.cpp

diff --git a/src/common/wincmn.cpp b/src/common/wincmn.cpp
index 4e57c5fb9d..26eb1fb525 100644
--- a/src/common/wincmn.cpp
+++ b/src/common/wincmn.cpp
@@ -225,16 +225,6 @@ wxWindowBase::~wxWindowBase()
 
     wxASSERT_MSG( GetChildren().GetCount() == 0, wxT("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;
@@ -395,6 +385,30 @@ void wxWindowBase::Centre(int direction)
     xNew += posParent.x;
     yNew += posParent.y;
 
+    // Base size of the visible dimensions of the display
+    // to take into account the taskbar
+    wxRect rect = wxGetClientDisplayRect();
+    wxSize size (rect.width,rect.height);
+
+    if (posParent.x >= 0)  // if parent is on the main display
+    {
+        if (xNew < 0)
+            xNew = 0;
+        else if (xNew+width > size.x)
+            xNew = size.x-width-1;
+    }
+    if (posParent.y >= 0)  // if parent is on the main display
+    {
+        if (yNew+height > size.y)
+            yNew = size.y-height-1;
+
+        // Make certain that the title bar is initially visible
+        // always, even if this would push the bottom of the
+        // dialog of the visible area of the display
+        if (yNew < 0)
+            yNew = 0;
+    }
+
     // move the window to this position (keeping the old size but using
     // SetSize() and not Move() to allow xNew and/or yNew to be -1)
     SetSize(xNew, yNew, width, height, wxSIZE_ALLOW_MINUS_ONE);
@@ -1345,7 +1359,7 @@ void wxWindowBase::UpdateWindowUI()
 
         if ( event.GetSetText() )
         {
-            wxControl *control = wxDynamicCast(this, wxControl);
+            wxControl *control = wxDynamicThisCast(this, wxControl);
             if ( control )
             {
                 wxTextCtrl *text = wxDynamicCast(control, wxTextCtrl);
@@ -1357,7 +1371,7 @@ void wxWindowBase::UpdateWindowUI()
         }
 
 #if wxUSE_CHECKBOX
-        wxCheckBox *checkbox = wxDynamicCast(this, wxCheckBox);
+        wxCheckBox *checkbox = wxDynamicThisCast(this, wxCheckBox);
         if ( checkbox )
         {
             if ( event.GetSetChecked() )
@@ -1366,7 +1380,7 @@ void wxWindowBase::UpdateWindowUI()
 #endif // wxUSE_CHECKBOX
 
 #if wxUSE_RADIOBTN
-        wxRadioButton *radiobtn = wxDynamicCast(this, wxRadioButton);
+        wxRadioButton *radiobtn = wxDynamicThisCast(this, wxRadioButton);
         if ( radiobtn )
         {
             if ( event.GetSetChecked() )