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evdev: implement setting leds
When the leds are changed in the keyboard state, propagate the change to the actual devices. https://bugzilla.gnome.org/show_bug.cgi?id=706494
This commit is contained in:
Giovanni Campagna
parent
cd1749a2a5
commit
d882366d11
@ -84,6 +84,9 @@ struct _ClutterDeviceManagerEvdevPrivate
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GArray *keys;
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struct xkb_state *xkb; /* XKB state object */
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xkb_led_index_t caps_lock_led;
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xkb_led_index_t num_lock_led;
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xkb_led_index_t scroll_lock_led;
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uint32_t button_state;
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};
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@ -189,6 +192,30 @@ remove_key (GArray *keys,
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}
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}
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static void
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sync_leds (ClutterDeviceManagerEvdev *manager_evdev)
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{
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ClutterDeviceManagerEvdevPrivate *priv = manager_evdev->priv;
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GSList *iter;
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int caps_lock, num_lock, scroll_lock;
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caps_lock = xkb_state_led_index_is_active (priv->xkb, priv->caps_lock_led);
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num_lock = xkb_state_led_index_is_active (priv->xkb, priv->num_lock_led);
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scroll_lock = xkb_state_led_index_is_active (priv->xkb, priv->scroll_lock_led);
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for (iter = priv->event_sources; iter; iter = iter->next)
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{
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ClutterEventSource *source = iter->data;
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if (libevdev_has_event_type (source->dev, EV_LED))
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libevdev_kernel_set_led_values (source->dev,
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LED_CAPSL, caps_lock == 1 ? LIBEVDEV_LED_ON : LIBEVDEV_LED_OFF,
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LED_NUML, num_lock == 1 ? LIBEVDEV_LED_ON : LIBEVDEV_LED_OFF,
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LED_SCROLLL, scroll_lock == 1 ? LIBEVDEV_LED_ON : LIBEVDEV_LED_OFF,
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-1);
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}
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}
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static void
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notify_key_device (ClutterInputDevice *input_device,
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guint32 time_,
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@ -199,6 +226,7 @@ notify_key_device (ClutterInputDevice *input_device,
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ClutterDeviceManagerEvdev *manager_evdev;
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ClutterStage *stage;
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ClutterEvent *event = NULL;
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enum xkb_state_component changed_state;
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/* We can drop the event on the floor if no stage has been
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* associated with the device yet. */
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@ -208,34 +236,34 @@ notify_key_device (ClutterInputDevice *input_device,
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manager_evdev = CLUTTER_DEVICE_MANAGER_EVDEV (input_device->device_manager);
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/* if we have keyboard state, use it to generate the event */
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if (manager_evdev->priv->xkb)
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event = _clutter_key_event_new_from_evdev (input_device,
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manager_evdev->priv->core_keyboard,
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stage,
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manager_evdev->priv->xkb,
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manager_evdev->priv->button_state,
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time_, key, state);
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/* We must be careful and not pass multiple releases to xkb, otherwise it gets
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confused and locks the modifiers */
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if (state != AUTOREPEAT_VALUE)
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{
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event =
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_clutter_key_event_new_from_evdev (input_device,
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manager_evdev->priv->core_keyboard,
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stage,
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manager_evdev->priv->xkb,
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manager_evdev->priv->button_state,
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time_, key, state);
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changed_state = xkb_state_update_key (manager_evdev->priv->xkb, event->key.hardware_keycode, state ? XKB_KEY_DOWN : XKB_KEY_UP);
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/* We must be careful and not pass multiple releases to xkb, otherwise it gets
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confused and locks the modifiers */
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if (state != AUTOREPEAT_VALUE)
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if (update_keys)
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{
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xkb_state_update_key (manager_evdev->priv->xkb, event->key.hardware_keycode, state ? XKB_KEY_DOWN : XKB_KEY_UP);
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if (update_keys)
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{
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if (state)
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add_key (manager_evdev->priv->keys, event->key.hardware_keycode);
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else
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remove_key (manager_evdev->priv->keys, event->key.hardware_keycode);
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}
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if (state)
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add_key (manager_evdev->priv->keys, event->key.hardware_keycode);
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else
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remove_key (manager_evdev->priv->keys, event->key.hardware_keycode);
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}
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queue_event (event);
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}
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else
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changed_state = 0;
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queue_event (event);
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if (update_keys && (changed_state & XKB_STATE_LEDS))
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sync_leds (manager_evdev);
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}
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static void
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@ -649,7 +677,7 @@ clutter_event_source_new (ClutterInputDeviceEvdev *input_device)
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if (open_callback)
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{
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error = NULL;
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fd = open_callback (node_path, O_RDONLY | O_NONBLOCK, open_callback_data, &error);
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fd = open_callback (node_path, O_RDWR | O_NONBLOCK, open_callback_data, &error);
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if (fd < 0)
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{
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@ -660,7 +688,7 @@ clutter_event_source_new (ClutterInputDeviceEvdev *input_device)
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}
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else
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{
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fd = open (node_path, O_RDONLY | O_NONBLOCK);
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fd = open (node_path, O_RDWR | O_NONBLOCK);
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if (fd < 0)
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{
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g_warning ("Could not open device %s: %s", node_path, strerror (errno));
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@ -1016,6 +1044,9 @@ clutter_device_manager_evdev_constructed (GObject *gobject)
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ClutterDeviceManagerEvdev *manager_evdev;
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ClutterDeviceManagerEvdevPrivate *priv;
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ClutterInputDevice *device;
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struct xkb_context *ctx;
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struct xkb_keymap *keymap;
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struct xkb_rule_names names;
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manager_evdev = CLUTTER_DEVICE_MANAGER_EVDEV (gobject);
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priv = manager_evdev->priv;
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@ -1045,10 +1076,28 @@ clutter_device_manager_evdev_constructed (GObject *gobject)
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priv->core_keyboard = device;
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priv->keys = g_array_new (FALSE, FALSE, sizeof (guint32));
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priv->xkb = _clutter_xkb_state_new (NULL,
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option_xkb_layout,
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option_xkb_variant,
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option_xkb_options);
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ctx = xkb_context_new(0);
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g_assert (ctx);
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names.rules = "evdev";
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names.model = "pc105";
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names.layout = option_xkb_layout;
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names.variant = option_xkb_variant;
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names.options = option_xkb_options;
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keymap = xkb_keymap_new_from_names (ctx, &names, 0);
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xkb_context_unref(ctx);
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if (keymap)
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{
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priv->xkb = xkb_state_new (keymap);
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priv->caps_lock_led = xkb_keymap_led_get_index (keymap, XKB_LED_NAME_CAPS);
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priv->num_lock_led = xkb_keymap_led_get_index (keymap, XKB_LED_NAME_NUM);
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priv->scroll_lock_led = xkb_keymap_led_get_index (keymap, XKB_LED_NAME_SCROLL);
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xkb_keymap_unref (keymap);
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}
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priv->udev_client = g_udev_client_new (subsystems);
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@ -1450,8 +1499,14 @@ clutter_evdev_set_keyboard_map (ClutterDeviceManager *evdev,
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xkb_state_unref (priv->xkb);
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priv->xkb = xkb_state_new (keymap);
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priv->caps_lock_led = xkb_keymap_led_get_index (keymap, XKB_LED_NAME_CAPS);
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priv->num_lock_led = xkb_keymap_led_get_index (keymap, XKB_LED_NAME_NUM);
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priv->scroll_lock_led = xkb_keymap_led_get_index (keymap, XKB_LED_NAME_SCROLL);
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for (i = 0; i < priv->keys->len; i++)
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xkb_state_update_key (priv->xkb, g_array_index (priv->keys, guint32, i), XKB_KEY_DOWN);
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sync_leds (manager_evdev);
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}
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/**
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@ -99,49 +99,6 @@ _clutter_key_event_new_from_evdev (ClutterInputDevice *device,
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return event;
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}
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/*
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* _clutter_xkb_state_new:
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*
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* Create a new xkbcommon keymap and state object.
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*
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* FIXME: We need a way to override the layout here, a fixed or runtime
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* detected layout is provided by the backend calling _clutter_xkb_state_new();
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*/
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struct xkb_state *
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_clutter_xkb_state_new (const gchar *model,
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const gchar *layout,
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const gchar *variant,
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const gchar *options)
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{
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struct xkb_context *ctx;
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struct xkb_keymap *keymap;
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struct xkb_state *state;
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struct xkb_rule_names names;
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ctx = xkb_context_new(0);
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if (!ctx)
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return NULL;
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names.rules = "evdev";
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if (model)
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names.model = model;
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else
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names.model = "pc105";
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names.layout = layout;
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names.variant = variant;
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names.options = options;
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keymap = xkb_map_new_from_names(ctx, &names, 0);
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xkb_context_unref(ctx);
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if (!keymap)
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return NULL;
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state = xkb_state_new(keymap);
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xkb_map_unref(keymap);
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return state;
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}
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void
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_clutter_xkb_translate_state (ClutterEvent *event,
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struct xkb_state *state,
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@ -39,10 +39,6 @@ ClutterEvent * _clutter_key_event_new_from_evdev (ClutterInputDevice *device,
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uint32_t _time,
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uint32_t key,
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uint32_t state);
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struct xkb_state * _clutter_xkb_state_new (const gchar *model,
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const gchar *layout,
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const gchar *variant,
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const gchar *options);
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void _clutter_xkb_translate_state (ClutterEvent *event,
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struct xkb_state *xkb_state,
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uint32_t button_state);
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