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Bug 610713 - Fix popup menus leaving behind artifacts when using hardware acceleration and a basic Windows theme. r=jmathies

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This commit is contained in:
James H 2012-09-13 21:31:53 -04:00
parent 58d3575f7e
commit b78362ef97
1 changed files with 6 additions and 1 deletions
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7
widget/windows/nsWindow.cpp
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@ -481,8 +481,13 @@ nsWindow::Create(nsIWidget *aParent,
DWORD extendedStyle = WindowExStyle();
if (mWindowType == eWindowType_popup) {
if (!aParent)
if (!aParent) {
parent = NULL;
}
if (mPopupType == ePopupTypeMenu && aInitData->mDropShadow) {
extendedStyle |= WS_EX_COMPOSITED;
}
if (aInitData->mIsDragPopup) {
// This flag makes the window transparent to mouse events