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diff -up firefox-66.0/layout/xul/moz.build.mozilla-1532643-popup firefox-66.0/layout/xul/moz.build
--- firefox-66.0/layout/xul/moz.build.mozilla-1532643-popup 2019-03-12 01:22:20.000000000 +0100
+++ firefox-66.0/layout/xul/moz.build 2019-03-12 12:21:43.036982252 +0100
@@ -88,3 +88,6 @@ LOCAL_INCLUDES += [
if CONFIG['CC_TYPE'] in ('clang', 'gcc'):
CXXFLAGS += ['-Wno-error=shadow']
+
+CFLAGS += CONFIG['TK_CFLAGS']
+CXXFLAGS += CONFIG['TK_CFLAGS']
diff -up firefox-66.0/layout/xul/nsMenuPopupFrame.cpp.mozilla-1532643-popup firefox-66.0/layout/xul/nsMenuPopupFrame.cpp
--- firefox-66.0/layout/xul/nsMenuPopupFrame.cpp.mozilla-1532643-popup 2019-03-12 01:22:20.000000000 +0100
+++ firefox-66.0/layout/xul/nsMenuPopupFrame.cpp 2019-03-12 12:23:11.860770255 +0100
@@ -55,6 +55,10 @@
#include "mozilla/dom/KeyboardEvent.h"
#include "mozilla/dom/KeyboardEventBinding.h"
#include <algorithm>
+#ifdef MOZ_WAYLAND
+#include <gdk/gdk.h>
+#include <gdk/gdkx.h>
+#endif /* MOZ_WAYLAND */
using namespace mozilla;
using mozilla::dom::Event;
@@ -298,11 +302,29 @@ nsresult nsMenuPopupFrame::CreateWidgetF
!(mode == eTransparencyTransparent || tag == nsGkAtoms::menulist);
widgetData.mPopupLevel = PopupLevel(widgetData.mNoAutoHide);
+ static bool waylandBackend =
+#ifdef MOZ_WAYLAND
+ !GDK_IS_X11_DISPLAY(gdk_display_get_default());
+#else
+ false;
+#endif
+
// panels which have a parent level need a parent widget. This allows them to
// always appear in front of the parent window but behind other windows that
// should be in front of it.
nsCOMPtr<nsIWidget> parentWidget;
- if (widgetData.mPopupLevel != ePopupLevelTop) {
+ if (waylandBackend) {
+ // On Wayland we always need to connect menu to its parent menu widget
+ // otherwise it's not shown.
+ nsMenuFrame* menuFrame = do_QueryFrame(GetParent());
+ if (menuFrame) {
+ nsMenuParent* parentPopup = menuFrame->GetMenuParent();
+ if (parentPopup && parentPopup->IsMenu()) {
+ parentWidget =
+ static_cast<nsMenuPopupFrame*>(parentPopup)->GetWidget();
+ }
+ }
+ } else if (widgetData.mPopupLevel != ePopupLevelTop) {
nsCOMPtr<nsIDocShellTreeItem> dsti = PresContext()->GetDocShell();
if (!dsti) return NS_ERROR_FAILURE;
diff -up firefox-66.0/widget/gtk/nsWindow.cpp.mozilla-1532643-popup firefox-66.0/widget/gtk/nsWindow.cpp
--- firefox-66.0/widget/gtk/nsWindow.cpp.mozilla-1532643-popup 2019-03-12 12:21:43.034982257 +0100
+++ firefox-66.0/widget/gtk/nsWindow.cpp 2019-03-12 12:21:43.037982249 +0100
@@ -3485,11 +3485,7 @@ nsresult nsWindow::Create(nsIWidget *aPa
} else {
switch (aInitData->mPopupHint) {
case ePopupTypeMenu:
- // Use GDK_WINDOW_TYPE_HINT_UTILITY on Wayland which
- // guides Gtk to create the popup as subsurface
- // instead of xdg_shell popup (see Bug 1423598).
- gtkTypeHint = mIsX11Display ? GDK_WINDOW_TYPE_HINT_POPUP_MENU
- : GDK_WINDOW_TYPE_HINT_UTILITY;
+ gtkTypeHint = GDK_WINDOW_TYPE_HINT_POPUP_MENU;
break;
case ePopupTypeTooltip:
gtkTypeHint = GDK_WINDOW_TYPE_HINT_TOOLTIP;
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