A non-GTK version of menus for touchui.

base/message_pump_glib_x.cc

Index: base/message_pump_glib_x.cc
diff --git a/base/message_pump_glib_x.cc b/base/message_pump_glib_x.cc
index 78c179933d00a7e5a70d0d94c3675fe7b9dd1379..d673e5062dd82c35e882e649cf0119cc25ab86db 100644
--- a/base/message_pump_glib_x.cc
+++ b/base/message_pump_glib_x.cc
@@ -85,6 +85,12 @@ MessagePumpGlibX::~MessagePumpGlibX() {
 bool MessagePumpGlibX::RunOnce(GMainContext* context, bool block) {
   GdkDisplay* gdisp = gdk_display_get_default();
   Display* display = GDK_DISPLAY_XDISPLAY(gdisp);
+  static gboolean (*gdkdispatcher)(GSource*, GSourceFunc, void*) = NULL;
+
+  if (!gdkdispatcher && gdksource_) {
+    gdkdispatcher = gdksource_->source_funcs->dispatch;
+  }
+
   if (XPending(display)) {
     XEvent xev;
     XPeekEvent(display, &xev);
@@ -95,6 +101,14 @@ bool MessagePumpGlibX::RunOnce(GMainContext* context, bool block) {
         ) {
       XNextEvent(display, &xev);
 
+#if defined(HAVE_XINPUT2)
+      bool have_cookie = false;
+      if (xev.type == GenericEvent &&
+          XGetEventData(xev.xgeneric.display, &xev.xcookie)) {
+        have_cookie = true;
+      }
+#endif
+
       bool processed = static_cast<MessagePumpGlibXDispatcher*>
           (GetDispatcher())->Dispatch(&xev);
 
@@ -106,12 +120,22 @@ bool MessagePumpGlibX::RunOnce(GMainContext* context, bool block) {
         // impossible to use the omnibox at the moment. However, this will
         // eventually be removed once the omnibox code is updated for touchui.
         XPutBackEvent(display, &xev);
+        if (gdksource_)
+          gdksource_->source_funcs->dispatch = gdkdispatcher;
         g_main_context_iteration(context, FALSE);
       }
+
+#if defined(HAVE_XINPUT2)
+      if (have_cookie) {
+        XFreeEventData(xev.xgeneric.display, &xev.xcookie);
+      }
+#endif
     } else {
       // TODO(sad): A couple of extra events can still sneak in during this.
       // Those should be sent back to the X queue from the dispatcher
       // EventDispatcherX.
+      if (gdksource_)
+        gdksource_->source_funcs->dispatch = gdkdispatcher;
       g_main_context_iteration(context, FALSE);
     }
   }