Fix wxMSW wxCheckListBox appearance when using larger than normal fonts.

Update the height of the items when changing the font to ensure that there is
enough space to show the item text when using fonts larger than normal.

Closes #3577.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@76673 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/listbox.cpp

@@ -37,7 +37,13 @@
 
 #if wxUSE_OWNER_DRAWN
     #include  "wx/ownerdrw.h"
-#endif
+
+    namespace
+    {
+        // space beneath/above each row in pixels
+        const int LISTBOX_EXTRA_SPACE = 1;
+    } // anonymous namespace
+#endif // wxUSE_OWNER_DRAWN
 
 // ============================================================================
 // list box item declaration and implementation
@@ -642,6 +648,13 @@ bool wxListBox::SetFont(const wxFont &font)
         const unsigned count = m_aItems.GetCount();
         for ( unsigned i = 0; i < count; i++ )
             m_aItems[i]->SetFont(font);
+
+        // Non owner drawn list boxes update the item height on their own, but
+        // we need to do it manually in the owner drawn case.
+        wxClientDC dc(this);
+        dc.SetFont(font);
+        SendMessage(GetHwnd(), LB_SETITEMHEIGHT, 0,
+                    dc.GetCharHeight() + 2 * LISTBOX_EXTRA_SPACE);
     }
 
     wxListBoxBase::SetFont(font);
@@ -684,13 +697,6 @@ bool wxListBox::RefreshItem(size_t n)
 // drawing
 // -------
 
-namespace
-{
-    // space beneath/above each row in pixels
-    static const int LISTBOX_EXTRA_SPACE = 1;
-
-} // anonymous namespace
-
 // the height is the same for all items
 // TODO should be changed for LBS_OWNERDRAWVARIABLE style listboxes