X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/bfac8499858dbb52ae4e712b718dcd08e777b4c2..bae41ce1922f02b8af69b4fffbf3b6a2183f9ba7:/src/common/wincmn.cpp?ds=sidebyside

diff --git a/src/common/wincmn.cpp b/src/common/wincmn.cpp
index 87709ad66a..bf4921ff5a 100644
--- 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;
@@ -304,44 +314,27 @@ void wxWindowBase::Centre(int direction)
     int width, height;
     GetSize(&width, &height);
 
-    int new_x = -1,
-        new_y = -1;
+    int xNew = -1,
+        yNew = -1;
 
     if ( direction & wxHORIZONTAL )
-        new_x = (widthParent - width)/2;
+        xNew = (widthParent - width)/2;
 
     if ( direction & wxVERTICAL )
-        new_y = (heightParent - height)/2;
+        yNew = (heightParent - height)/2;
 
-    Move(new_x, new_y);
-}
+    // controls are always centered on their parent because it doesn't make
+    // sense to centre them on the screen
+    if ( (direction & wxCENTER_FRAME) || wxDynamicCast(this, wxControl) )
+    {
+        // adjust to the parents client area origin
+        wxPoint posParent = parent->ClientToScreen(wxPoint(0, 0));
 
-// 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;
+        xNew += posParent.x;
+        yNew += posParent.y;
     }
 
-    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);
+    Move(xNew, yNew);
 }
 
 // fits the window around the children
@@ -1240,9 +1233,11 @@ wxPoint wxWindowBase::ConvertPixelsToDialog(const wxPoint& pt)
 {
     int charWidth = GetCharWidth();
     int charHeight = GetCharHeight();
-    wxPoint pt2;
-    pt2.x = (int) ((pt.x * 4) / charWidth) ;
-    pt2.y = (int) ((pt.y * 8) / charHeight) ;
+    wxPoint pt2(-1, -1);
+    if (pt.x != -1)
+        pt2.x = (int) ((pt.x * 4) / charWidth) ;
+    if (pt.y != -1)
+        pt2.y = (int) ((pt.y * 8) / charHeight) ;
 
     return pt2;
 }
@@ -1251,9 +1246,11 @@ wxPoint wxWindowBase::ConvertDialogToPixels(const wxPoint& pt)
 {
     int charWidth = GetCharWidth();
     int charHeight = GetCharHeight();
-    wxPoint pt2;
-    pt2.x = (int) ((pt.x * charWidth) / 4) ;
-    pt2.y = (int) ((pt.y * charHeight) / 8) ;
+    wxPoint pt2(-1, -1);
+    if (pt.x != -1)
+        pt2.x = (int) ((pt.x * charWidth) / 4) ;
+    if (pt.y != -1)
+        pt2.y = (int) ((pt.y * charHeight) / 8) ;
 
     return pt2;
 }