input: add qemu_input_handler_deactivate

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

include/ui/input.h

diff --git a/include/ui/input.h b/include/ui/input.h
index 010c903..3d3d487 100644
--- a/include/ui/input.h
+++ b/include/ui/input.h
@@ -27,6 +27,7 @@
 QemuInputHandlerState *qemu_input_handler_register(DeviceState *dev,
                                                    QemuInputHandler *handler);
 void qemu_input_handler_activate(QemuInputHandlerState *s);
+void qemu_input_handler_deactivate(QemuInputHandlerState *s);
 void qemu_input_handler_unregister(QemuInputHandlerState *s);
 void qemu_input_event_send(QemuConsole *src, InputEvent *evt);
 void qemu_input_event_sync(void);

ui/input.c

diff --git a/ui/input.c b/ui/input.c
index 1ed0e78..fc91fba 100644
--- a/ui/input.c
+++ b/ui/input.c
@@ -39,6 +39,13 @@
     qemu_input_check_mode_change();
 }
 
+void qemu_input_handler_deactivate(QemuInputHandlerState *s)
+{
+    QTAILQ_REMOVE(&handlers, s, node);
+    QTAILQ_INSERT_TAIL(&handlers, s, node);
+    qemu_input_check_mode_change();
+}
+
 void qemu_input_handler_unregister(QemuInputHandlerState *s)
 {
     QTAILQ_REMOVE(&handlers, s, node);