diff options
| -rw-r--r-- | widget/windows/nsNativeThemeWin.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/widget/windows/nsNativeThemeWin.cpp b/widget/windows/nsNativeThemeWin.cpp index 8950dcf90..475ebce94 100644 --- a/widget/windows/nsNativeThemeWin.cpp +++ b/widget/windows/nsNativeThemeWin.cpp @@ -1360,7 +1360,10 @@ nsNativeThemeWin::GetThemePartAndState(nsIFrame* aFrame, uint8_t aWidgetType, static bool AssumeThemePartAndStateAreTransparent(int32_t aPart, int32_t aState) { - if (aPart == MENU_POPUPITEM && aState == MBI_NORMAL) { + // When using a high contrast theme on Windows 8 or later, we can't + // use this optimization. + if (!(IsWin8OrLater() && nsUXThemeData::IsHighContrastOn()) && + aPart == MENU_POPUPITEM && aState == MBI_NORMAL) { return true; } return false; |