another segfault fix

[wxWidgets.git] / src / msw / toplevel.cpp

diff --git a/src/msw/toplevel.cpp b/src/msw/toplevel.cpp
index 6df54650629d8efcfd7935737cd3c45fda001a25..9aacc560173886664a59185f5c239b9ad794a003 100644 (file)
--- a/src/msw/toplevel.cpp
+++ b/src/msw/toplevel.cpp
@@ -45,7 +45,7 @@
 
 #ifdef __WXMICROWIN__
 
-static inline bool IsIconic(HWND WXUNUSED(hwnd)) { return FALSE; }
+// static inline bool IsIconic(HWND WXUNUSED(hwnd)) { return FALSE; }
 static inline bool IsZoomed(HWND WXUNUSED(hwnd)) { return FALSE; }
 
 #endif // __WXMICROWIN__
@@ -196,11 +196,18 @@ bool wxTopLevelWindowMSW::CreateDialog(const wxChar *dlgTemplate,
     {
         parent = wxTheApp->GetTopWindow();
 
-        // but don't use the window which is currently hidden as then the
-        // dialog would be hidden as well
-        if ( parent && !parent->IsShown() )
+        if ( parent )
         {
-            parent = NULL;
+            // don't use transient windows as parents, this is dangerous as it
+            // can lead to a crash if the parent is destroyed before the child
+            //
+            // also don't use the window which is currently hidden as then the
+            // dialog would be hidden as well
+            if ( (parent->GetExtraStyle() & wxWS_EX_TRANSIENT) ||
+                    !parent->IsShown() )
+            {
+                parent = NULL;
+            }
         }
     }
 
@@ -380,39 +387,30 @@ wxTopLevelWindowMSW::~wxTopLevelWindowMSW()
 }
 
 // ----------------------------------------------------------------------------
-// wxTopLevelWindowMSW geometry
+// wxTopLevelWindowMSW client size
 // ----------------------------------------------------------------------------
 
 void wxTopLevelWindowMSW::DoSetClientSize(int width, int height)
 {
-    HWND hWnd = GetHwnd();
-
-    RECT rectClient;
-    ::GetClientRect(hWnd, &rectClient);
+    // call GetClientAreaOrigin() to take the toolbar into account
+    wxPoint pt = GetClientAreaOrigin();
+    width += pt.x;
+    height += pt.y;
 
-    RECT rectTotal;
-    ::GetWindowRect(hWnd, &rectTotal);
+    wxWindow::DoSetClientSize(width, height);
+}
 
-    // Find the difference between the entire window (title bar and all)
-    // and the client area; add this to the new client size to move the
-    // window
-    width += rectTotal.right - rectTotal.left - rectClient.right;
-    height += rectTotal.bottom - rectTotal.top - rectClient.bottom;
+void wxTopLevelWindowMSW::DoGetClientSize(int *x, int *y) const
+{
+    wxWindow::DoGetClientSize(x, y);
 
-    // note that calling GetClientAreaOrigin() takes the toolbar into account
     wxPoint pt = GetClientAreaOrigin();
-    width += pt.x;
-    height += pt.y;
 
-    if ( !::MoveWindow(hWnd, rectTotal.left, rectTotal.top,
-                       width, height, TRUE /* redraw */) )
-    {
-        wxLogLastError(_T("MoveWindow"));
-    }
+    if ( x )
+        *x -= pt.x;
 
-    wxSizeEvent event(wxSize(width, height), m_windowId);
-    event.SetEventObject(this);
-    (void)GetEventHandler()->ProcessEvent(event);
+    if ( y )
+        *y -= pt.y;
 }
 
 // ----------------------------------------------------------------------------