X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ebfee17940b5123d0527b63bcf23e5f27002092e..24b4db9b0de92ef5c899b98a556f8cd09ad1fc54:/src/msw/statbox.cpp

diff --git a/src/msw/statbox.cpp b/src/msw/statbox.cpp
index 3c2dfcf06d..1058f381b9 100644
--- a/src/msw/statbox.cpp
+++ b/src/msw/statbox.cpp
@@ -237,6 +237,24 @@ WXLRESULT wxStaticBox::MSWWindowProc(WXUINT nMsg, WXWPARAM wParam, WXLPARAM lPar
         return 0;
     }
 
+    if ( nMsg == WM_UPDATEUISTATE )
+    {
+        // DefWindowProc() redraws just the static box text when it gets this
+        // message and it does it using the standard (blue in standard theme)
+        // colour and not our own label colour that we use in PaintForeground()
+        // resulting in the label mysteriously changing the colour when e.g.
+        // "Alt" is pressed anywhere in the window, see #12497.
+        //
+        // To avoid this we simply refresh the window forcing our own code
+        // redrawing the label in the correct colour to be called. This is
+        // inefficient but there doesn't seem to be anything else we can do.
+        //
+        // Notice that the problem is XP-specific and doesn't arise under later
+        // systems.
+        if ( m_hasFgCol && wxGetWinVersion() == wxWinVersion_XP )
+            Refresh();
+    }
+
     return wxControl::MSWWindowProc(nMsg, wParam, lParam);
 }
 
@@ -494,18 +512,32 @@ void wxStaticBox::PaintForeground(wxDC& dc, const RECT& rc)
             PaintBackground(dc, dimensions);
         }
 
+        UINT drawTextFlags = DT_SINGLELINE | DT_VCENTER;
+
+        // determine the state of UI queues to draw the text correctly under XP
+        // and later systems
+        static const bool isXPorLater = wxGetWinVersion() >= wxWinVersion_XP;
+        if ( isXPorLater )
+        {
+            if ( ::SendMessage(GetHwnd(), WM_QUERYUISTATE, 0, 0) &
+                    UISF_HIDEACCEL )
+            {
+                drawTextFlags |= DT_HIDEPREFIX;
+            }
+        }
+
         // now draw the text
         if ( !rtl )
         {
             RECT rc2 = { x, 0, x + width, y };
             ::DrawText(hdc, label.wx_str(), label.length(), &rc2,
-                       DT_SINGLELINE | DT_VCENTER);
+                       drawTextFlags);
         }
         else // RTL
         {
             RECT rc2 = { x, 0, x - width, y };
             ::DrawText(hdc, label.wx_str(), label.length(), &rc2,
-                       DT_SINGLELINE | DT_VCENTER | DT_RTLREADING);
+                       drawTextFlags | DT_RTLREADING);
         }
     }
 }