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x11: Allow XTest and core events to reset idletime
Now that we've removed the X11 specific backend of the idle monitor, add back a cut-down version of it for the explicit purpose of being told about idle time resets when XTest events are used. XTest events are usually used by test suites and remote display software to inject events into an X11 session. We should consider somebody moving the mouse remotely to be just as "active" as somebody moving it locally. https://bugzilla.gnome.org/show_bug.cgi?id=705942
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@ -46,6 +46,7 @@
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#include "display-private.h"
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#include "compositor/compositor-private.h"
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#include "backends/meta-dnd-private.h"
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#include "backends/meta-idle-monitor-private.h"
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struct _MetaBackendX11Private
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{
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@ -56,6 +57,8 @@ struct _MetaBackendX11Private
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int xsync_event_base;
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int xsync_error_base;
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XSyncAlarm user_active_alarm;
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XSyncCounter counter;
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int xinput_opcode;
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int xinput_event_base;
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@ -82,6 +85,79 @@ G_DEFINE_TYPE_WITH_CODE (MetaBackendX11, meta_backend_x11, META_TYPE_BACKEND,
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G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE,
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initable_iface_init));
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static void
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uint64_to_xsync_value (uint64_t value,
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XSyncValue *xsync_value)
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{
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XSyncIntsToValue (xsync_value, value & 0xffffffff, value >> 32);
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}
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static XSyncAlarm
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xsync_user_active_alarm_set (MetaBackendX11Private *priv)
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{
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XSyncAlarmAttributes attr;
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XSyncValue delta;
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unsigned long flags;
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flags = (XSyncCACounter | XSyncCAValueType | XSyncCATestType |
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XSyncCAValue | XSyncCADelta | XSyncCAEvents);
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XSyncIntToValue (&delta, 0);
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attr.trigger.counter = priv->counter;
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attr.trigger.value_type = XSyncAbsolute;
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attr.delta = delta;
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attr.events = TRUE;
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uint64_to_xsync_value (1, &attr.trigger.wait_value);
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attr.trigger.test_type = XSyncNegativeTransition;
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return XSyncCreateAlarm (priv->xdisplay, flags, &attr);
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}
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static XSyncCounter
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find_idletime_counter (MetaBackendX11Private *priv)
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{
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int i;
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int n_counters;
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XSyncSystemCounter *counters;
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XSyncCounter counter = None;
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counters = XSyncListSystemCounters (priv->xdisplay, &n_counters);
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for (i = 0; i < n_counters; i++)
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{
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if (g_strcmp0 (counters[i].name, "IDLETIME") == 0)
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{
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counter = counters[i].counter;
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break;
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}
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}
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XSyncFreeSystemCounterList (counters);
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return counter;
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}
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static void
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handle_alarm_notify (MetaBackend *backend,
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XSyncAlarmNotifyEvent *alarm_event)
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{
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MetaBackendX11 *x11 = META_BACKEND_X11 (backend);
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MetaBackendX11Private *priv = meta_backend_x11_get_instance_private (x11);
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MetaIdleMonitor *idle_monitor;
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XSyncAlarmAttributes attr;
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if (alarm_event->state != XSyncAlarmActive ||
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alarm_event->alarm != priv->user_active_alarm)
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return;
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attr.events = TRUE;
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XSyncChangeAlarm (priv->xdisplay, priv->user_active_alarm,
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XSyncCAEvents, &attr);
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idle_monitor = meta_backend_get_idle_monitor (backend, 0);
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meta_idle_monitor_reset_idletime (idle_monitor);
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}
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static void
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meta_backend_x11_translate_device_event (MetaBackendX11 *x11,
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XIDeviceEvent *device_event)
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@ -264,6 +340,9 @@ handle_host_xevent (MetaBackend *backend,
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bypass_clutter = (meta_backend_x11_handle_host_xevent (x11, event) ||
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bypass_clutter);
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if (event->type == (priv->xsync_event_base + XSyncAlarmNotify))
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handle_alarm_notify (backend, (XSyncAlarmNotifyEvent *) event);
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if (event->type == priv->xkb_event_base)
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{
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XkbEvent *xkb_ev = (XkbEvent *) event;
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@ -410,6 +489,12 @@ meta_backend_x11_post_init (MetaBackend *backend)
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!XSyncInitialize (priv->xdisplay, &major, &minor))
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meta_fatal ("Could not initialize XSync");
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priv->counter = find_idletime_counter (priv);
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if (priv->counter == None)
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meta_fatal ("Could not initialize XSync counter");
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priv->user_active_alarm = xsync_user_active_alarm_set (priv);
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if (XQueryExtension (priv->xdisplay,
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"XInputExtension",
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&priv->xinput_opcode,
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@ -657,11 +742,28 @@ initable_iface_init (GInitableIface *initable_iface)
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initable_iface->init = meta_backend_x11_initable_init;
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}
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static void
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meta_backend_x11_finalize (GObject *object)
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{
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MetaBackendX11 *x11 = META_BACKEND_X11 (object);
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MetaBackendX11Private *priv = meta_backend_x11_get_instance_private (x11);
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if (priv->user_active_alarm != None)
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{
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XSyncDestroyAlarm (priv->xdisplay, priv->user_active_alarm);
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priv->user_active_alarm = None;
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}
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G_OBJECT_CLASS (meta_backend_x11_parent_class)->finalize (object);
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}
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static void
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meta_backend_x11_class_init (MetaBackendX11Class *klass)
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{
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MetaBackendClass *backend_class = META_BACKEND_CLASS (klass);
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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object_class->finalize = meta_backend_x11_finalize;
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backend_class->create_clutter_backend = meta_backend_x11_create_clutter_backend;
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backend_class->post_init = meta_backend_x11_post_init;
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backend_class->grab_device = meta_backend_x11_grab_device;
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