X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/fb35f0c79ca42d888391f0394dec56d04cf71890..c1cb41536a6106968b546cdba8d3d89805f802bc:/src/msw/window.cpp

diff --git a/src/msw/window.cpp b/src/msw/window.cpp
index e088336c4d..ff531d4eaa 100644
--- a/src/msw/window.cpp
+++ b/src/msw/window.cpp
@@ -1163,6 +1163,13 @@ WXDWORD wxWindowMSW::MSWGetStyle(long flags, WXDWORD *exstyle) const
                 *exstyle |= WS_EX_DLGMODALFRAME;
                 break;
         }
+
+        // to make the dialog navigation work with the nested panels we must
+        // use this style
+        if ( flags & wxTAB_TRAVERSAL )
+        {
+            *exstyle |= WS_EX_CONTROLPARENT;
+        }
     }
 
     return style;
@@ -2073,10 +2080,18 @@ bool wxWindowMSW::MSWProcessMessage(WXMSG* pMsg)
         // place edit control from being closed with Escape in a dialog
         if ( msg->message != WM_KEYDOWN || msg->wParam != VK_ESCAPE )
         {
-            if ( ::IsDialogMessage(GetHwnd(), msg) )
+            // ::IsDialogMessage() can enter in an infinite loop when
+            // WS_EX_CONTROLPARENT is specified and the currently focused
+            // window is disabled or hidden, so don't call it in this case
+            HWND hwndFocus = ::GetFocus();
+            if ( !hwndFocus ||
+                  ::IsWindowEnabled(hwndFocus) && ::IsWindowVisible(hwndFocus) )
             {
-                // IsDialogMessage() did something...
-                return TRUE;
+                if ( ::IsDialogMessage(GetHwnd(), msg) )
+                {
+                    // IsDialogMessage() did something...
+                    return TRUE;
+                }
             }
         }
     }