Don't set focus to hidden window in wxSetFocusToChild().

The window that had focus previously could be hidden now, but its parent could
be hidden as well so it's not enough to set focus to it but we need to loop
until we find a visible ancestor.

Closes #14230.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@71227 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/src/common/containr.cpp b/src/common/containr.cpp
index 2fda844c9620a456882a0212a4857535c6624edb..8490cc5b9f07a6bd3e5f89af2dc900c6cf692e8b 100644 (file)
--- a/src/common/containr.cpp
+++ b/src/common/containr.cpp
@@ -653,17 +653,27 @@ bool wxSetFocusToChild(wxWindow *win, wxWindow **childLastFocused)
         // It might happen that the window got reparented
         if ( (*childLastFocused)->GetParent() == win )
         {
-            // And it also could have become hidden in the meanwhile, in this
-            // case focus its parent instead.
-            while ( !(*childLastFocused)->IsShown() )
+            // And it also could have become hidden in the meanwhile
+            // We want to focus on the deepest widget visible
+            wxWindow *deepestVisibleWindow = NULL;
+
+            while ( *childLastFocused )
             {
+                if ( (*childLastFocused)->IsShown() )
+                {
+                    if ( !deepestVisibleWindow )
+                        deepestVisibleWindow = *childLastFocused;
+                }
+                else
+                    deepestVisibleWindow = NULL;
+
                 *childLastFocused = (*childLastFocused)->GetParent();
-                if ( !*childLastFocused )
-                    break;
             }
 
-            if ( *childLastFocused )
+            if ( deepestVisibleWindow )
             {
+                *childLastFocused = deepestVisibleWindow;
+
                 wxLogTrace(TRACE_FOCUS,
                            wxT("SetFocusToChild() => last child (0x%p)."),
                            (*childLastFocused)->GetHandle());