From a22d4ee50d362eb1f638111d287c81af70a8f5fc Mon Sep 17 00:00:00 2001
From: Carlos Garnacho <carlos@lanedo.com>
Date: Thu, 13 Dec 2012 15:20:29 +0100
Subject: [PATCH] keygrabber: Handle XI2 key events, part of SL #3895

XInput2 events are coerced by active grabs on the alt-tab handling
code in sugar shell, even if the keygrabber itself does core events.

Signed-off-by: Carlos Garnacho <carlos@lanedo.com>
Acked-by: Simon Schampijer <simon@laptop.org>
---
 src/sugar3/sugar-key-grabber.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/src/sugar3/sugar-key-grabber.c b/src/sugar3/sugar-key-grabber.c
index 74a0a953..a4c00968 100644
--- a/src/sugar3/sugar-key-grabber.c
+++ b/src/sugar3/sugar-key-grabber.c
@@ -19,6 +19,7 @@
 
 #include <X11/X.h>
 #include <X11/Xlib.h>
+#include <X11/extensions/XInput2.h>
 #include <gdk/gdk.h>
 #include <gdk/gdkx.h>
 
@@ -138,6 +139,25 @@ filter_events(GdkXEvent *xevent, GdkEvent *event, gpointer data)
 			return GDK_FILTER_REMOVE;
 	}
 
+	if (xev->type == GenericEvent) {
+		XIDeviceEvent *ev;
+		int return_value = FALSE;
+
+		ev = (XIDeviceEvent *) ((XGenericEventCookie *) xev)->data;
+
+		if (ev->evtype == XI_KeyPress) {
+			g_signal_emit (grabber, signals[KEY_PRESSED], 0,
+				       ev->detail, ev->mods.effective, ev->time, &return_value);
+		} else if (ev->evtype == XI_KeyRelease) {
+			g_signal_emit (grabber, signals[KEY_RELEASED], 0,
+				       ev->detail, ev->mods.effective, ev->time, &return_value);
+		}
+
+		if (return_value)
+			return GDK_FILTER_REMOVE;
+	}
+
+
 	return GDK_FILTER_CONTINUE;
 }