[mutter] backend: Add API to get layout group
- From: Jonas Ådahl <jadahl src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [mutter] backend: Add API to get layout group
- Date: Mon, 21 Aug 2017 13:25:06 +0000 (UTC)
commit 33f1706634905e7bfb86d7c5afbf3ccf480e983c
Author: Jonas Ådahl <jadahl gmail com>
Date: Thu Aug 17 17:01:50 2017 +0800
backend: Add API to get layout group
Add API to get the layout group (layout index) currently active. In the
native backend this is done by fetching the state directly from the
evdev backend; on X11 this works by listening for XkbStateNotify
events, caching the layout group value.
https://bugzilla.gnome.org/show_bug.cgi?id=786408
src/backends/meta-backend-private.h | 4 +++
src/backends/meta-backend.c | 6 ++++
src/backends/native/meta-backend-native.c | 9 ++++++
src/backends/x11/meta-backend-x11.c | 40 ++++++++++++++++++++++++++++-
4 files changed, 58 insertions(+), 1 deletions(-)
---
diff --git a/src/backends/meta-backend-private.h b/src/backends/meta-backend-private.h
index 33b9e69..bf6d0c3 100644
--- a/src/backends/meta-backend-private.h
+++ b/src/backends/meta-backend-private.h
@@ -83,6 +83,8 @@ struct _MetaBackendClass
struct xkb_keymap * (* get_keymap) (MetaBackend *backend);
+ xkb_layout_index_t (* get_keymap_layout_group) (MetaBackend *backend);
+
void (* lock_layout_group) (MetaBackend *backend,
guint idx);
@@ -133,6 +135,8 @@ MetaLogicalMonitor * meta_backend_get_current_logical_monitor (MetaBackend *back
struct xkb_keymap * meta_backend_get_keymap (MetaBackend *backend);
+xkb_layout_index_t meta_backend_get_keymap_layout_group (MetaBackend *backend);
+
void meta_backend_update_last_device (MetaBackend *backend,
int device_id);
diff --git a/src/backends/meta-backend.c b/src/backends/meta-backend.c
index 85baf1c..66a7313 100644
--- a/src/backends/meta-backend.c
+++ b/src/backends/meta-backend.c
@@ -699,6 +699,12 @@ meta_backend_get_keymap (MetaBackend *backend)
return META_BACKEND_GET_CLASS (backend)->get_keymap (backend);
}
+xkb_layout_index_t
+meta_backend_get_keymap_layout_group (MetaBackend *backend)
+{
+ return META_BACKEND_GET_CLASS (backend)->get_keymap_layout_group (backend);
+}
+
void
meta_backend_lock_layout_group (MetaBackend *backend,
guint idx)
diff --git a/src/backends/native/meta-backend-native.c b/src/backends/native/meta-backend-native.c
index 547bdde..5ebe791 100644
--- a/src/backends/native/meta-backend-native.c
+++ b/src/backends/native/meta-backend-native.c
@@ -507,6 +507,14 @@ meta_backend_native_get_keymap (MetaBackend *backend)
return clutter_evdev_get_keyboard_map (manager);
}
+static xkb_layout_index_t
+meta_backend_native_get_keymap_layout_group (MetaBackend *backend)
+{
+ ClutterDeviceManager *manager = clutter_device_manager_get_default ();
+
+ return clutter_evdev_get_keyboard_layout_index (manager);
+}
+
static void
meta_backend_native_lock_layout_group (MetaBackend *backend,
guint idx)
@@ -579,6 +587,7 @@ meta_backend_native_class_init (MetaBackendNativeClass *klass)
backend_class->set_keymap = meta_backend_native_set_keymap;
backend_class->get_keymap = meta_backend_native_get_keymap;
+ backend_class->get_keymap_layout_group = meta_backend_native_get_keymap_layout_group;
backend_class->lock_layout_group = meta_backend_native_lock_layout_group;
backend_class->get_relative_motion_deltas = meta_backend_native_get_relative_motion_deltas;
backend_class->update_screen_size = meta_backend_native_update_screen_size;
diff --git a/src/backends/x11/meta-backend-x11.c b/src/backends/x11/meta-backend-x11.c
index c299d26..863749e 100644
--- a/src/backends/x11/meta-backend-x11.c
+++ b/src/backends/x11/meta-backend-x11.c
@@ -67,6 +67,7 @@ struct _MetaBackendX11Private
uint8_t xkb_error_base;
struct xkb_keymap *keymap;
+ xkb_layout_index_t keymap_layout_group;
MetaLogicalMonitor *cached_current_logical_monitor;
};
@@ -282,12 +283,18 @@ handle_host_xevent (MetaBackend *backend,
if (xkb_ev->any.device == META_VIRTUAL_CORE_KEYBOARD_ID)
{
+ int layout_group;
+
switch (xkb_ev->any.xkb_type)
{
case XkbNewKeyboardNotify:
case XkbMapNotify:
keymap_changed (backend);
break;
+ case XkbStateNotify:
+ layout_group = xkb_ev->state.locked_group;
+ priv->keymap_layout_group = layout_group;
+ break;
default:
break;
}
@@ -424,7 +431,6 @@ meta_backend_x11_post_init (MetaBackend *backend)
if (!has_xi)
meta_fatal ("X server doesn't have the XInput extension, version 2.2 or newer\n");
- priv->xcb = XGetXCBConnection (priv->xdisplay);
if (!xkb_x11_setup_xkb_extension (priv->xcb,
XKB_X11_MIN_MAJOR_XKB_VERSION,
XKB_X11_MIN_MINOR_XKB_VERSION,
@@ -568,6 +574,15 @@ meta_backend_x11_get_keymap (MetaBackend *backend)
return priv->keymap;
}
+static xkb_layout_index_t
+meta_backend_x11_get_keymap_layout_group (MetaBackend *backend)
+{
+ MetaBackendX11 *x11 = META_BACKEND_X11 (backend);
+ MetaBackendX11Private *priv = meta_backend_x11_get_instance_private (x11);
+
+ return priv->keymap_layout_group;
+}
+
static void
meta_backend_x11_set_numlock (MetaBackend *backend,
gboolean numlock_state)
@@ -592,6 +607,25 @@ meta_backend_x11_get_xkb_event_base (MetaBackendX11 *x11)
return priv->xkb_event_base;
}
+static void
+init_xkb_state (MetaBackendX11 *x11)
+{
+ MetaBackendX11Private *priv = meta_backend_x11_get_instance_private (x11);
+ struct xkb_keymap *keymap;
+ int32_t device_id;
+ struct xkb_state *state;
+
+ keymap = meta_backend_get_keymap (META_BACKEND (x11));
+
+ device_id = xkb_x11_get_core_keyboard_device_id (priv->xcb);
+ state = xkb_x11_state_new_from_device (keymap, priv->xcb, device_id);
+
+ priv->keymap_layout_group =
+ xkb_state_serialize_layout (state, XKB_STATE_LAYOUT_LOCKED);
+
+ xkb_state_unref (state);
+}
+
static gboolean
meta_backend_x11_initable_init (GInitable *initable,
GCancellable *cancellable,
@@ -619,8 +653,11 @@ meta_backend_x11_initable_init (GInitable *initable,
}
priv->xdisplay = xdisplay;
+ priv->xcb = XGetXCBConnection (priv->xdisplay);
clutter_x11_set_display (xdisplay);
+ init_xkb_state (x11);
+
return initable_parent_iface->init (initable, cancellable, error);
}
@@ -645,6 +682,7 @@ meta_backend_x11_class_init (MetaBackendX11Class *klass)
backend_class->warp_pointer = meta_backend_x11_warp_pointer;
backend_class->get_current_logical_monitor = meta_backend_x11_get_current_logical_monitor;
backend_class->get_keymap = meta_backend_x11_get_keymap;
+ backend_class->get_keymap_layout_group = meta_backend_x11_get_keymap_layout_group;
backend_class->set_numlock = meta_backend_x11_set_numlock;
}
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