672 lines
		
	
	
		
			19 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			672 lines
		
	
	
		
			19 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* 
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 * Copyright (C) 2010 Daiki Ueno <ueno@unixuser.org>
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 * Copyright (C) 2010 Red Hat, Inc.
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 * 
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 * This library is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public License
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 * as published by the Free Software Foundation; either version 2 of
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 * the License, or (at your option) any later version.
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 * 
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 * This library is distributed in the hope that it will be useful, but
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 * WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 * 
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with this library; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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 * 02110-1301 USA
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 */
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/**
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 * SECTION:eek-xkl-layout
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 * @short_description: Layout engine using Libxklavier configuration
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 *
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 * The #EekXklLayout is a simple wrapper around #EekXkbLayout class
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 * to use Libxklavier configuration.
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 */
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#include <libxklavier/xklavier.h>
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#include <gdk/gdkx.h>
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#include <string.h>
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif  /* HAVE_CONFIG_H */
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#include "eek-xkl-layout.h"
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#define noKBDRAW_DEBUG
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static void eek_layout_iface_init (EekLayoutIface *iface);
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static EekLayoutIface *parent_layout_iface;
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G_DEFINE_TYPE_WITH_CODE (EekXklLayout, eek_xkl_layout, EEK_TYPE_XKB_LAYOUT,
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                         G_IMPLEMENT_INTERFACE(EEK_TYPE_LAYOUT,
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                                               eek_layout_iface_init));
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#define EEK_XKL_LAYOUT_GET_PRIVATE(obj)                                  \
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    (G_TYPE_INSTANCE_GET_PRIVATE ((obj), EEK_TYPE_XKL_LAYOUT, EekXklLayoutPrivate))
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enum {
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    PROP_0,
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    PROP_MODEL,
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    PROP_LAYOUTS,
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    PROP_VARIANTS,
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    PROP_OPTIONS,
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    PROP_LAST
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};
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struct _EekXklLayoutPrivate
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{
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    XklEngine *engine;
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    XklConfigRec *config;
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};
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/* from gnome-keyboard-properties-xkbpv.c:
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 *  BAD STYLE: Taken from xklavier_private_xkb.h
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 *  Any ideas on architectural improvements are WELCOME
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 */
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extern gboolean xkl_xkb_config_native_prepare (XklEngine * engine,
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					       const XklConfigRec * data,
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					       XkbComponentNamesPtr
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					       component_names);
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extern void xkl_xkb_config_native_cleanup (XklEngine * engine,
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					   XkbComponentNamesPtr
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					   component_names);
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static gboolean set_xkb_component_names (EekXklLayout *layout,
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                                         XklConfigRec *config);
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static gint
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eek_xkl_layout_real_get_group (EekLayout *self)
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{
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    EekXklLayoutPrivate *priv = EEK_XKL_LAYOUT_GET_PRIVATE (self);
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    XklState *state;
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    state = xkl_engine_get_current_state (priv->engine);
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    g_return_val_if_fail (state, -1);
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    return state->group;
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}
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static void
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eek_layout_iface_init (EekLayoutIface *iface)
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{
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    parent_layout_iface = g_type_interface_peek_parent (iface);
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    if (!parent_layout_iface)
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        parent_layout_iface = g_type_default_interface_peek (EEK_TYPE_LAYOUT);
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    iface->get_group = eek_xkl_layout_real_get_group;
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}
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static void
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eek_xkl_layout_dispose (GObject *object)
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{
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    EekXklLayoutPrivate *priv = EEK_XKL_LAYOUT_GET_PRIVATE (object);
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    if (priv->config) {
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        g_object_unref (priv->config);
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        priv->config = NULL;
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    }
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    if (priv->engine) {
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        g_object_unref (priv->engine);
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        priv->engine = NULL;
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    }
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    G_OBJECT_CLASS (eek_xkl_layout_parent_class)->dispose (object);
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}
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static void 
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eek_xkl_layout_set_property (GObject      *object,
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                             guint         prop_id,
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                             const GValue *value,
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                             GParamSpec   *pspec)
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{
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    switch (prop_id) 
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        {
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        case PROP_MODEL:
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            eek_xkl_layout_set_model (EEK_XKL_LAYOUT(object),
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                                      g_value_get_string (value));
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            break;
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        case PROP_LAYOUTS:
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            eek_xkl_layout_set_layouts (EEK_XKL_LAYOUT(object),
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                                        g_value_get_boxed (value));
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            break;
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        case PROP_VARIANTS:
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            eek_xkl_layout_set_variants (EEK_XKL_LAYOUT(object),
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                                         g_value_get_boxed (value));
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            break;
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        case PROP_OPTIONS:
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            eek_xkl_layout_set_options (EEK_XKL_LAYOUT(object),
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                                        g_value_get_boxed (value));
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            break;
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        default:
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            g_object_set_property (object,
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                                   g_param_spec_get_name (pspec),
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                                   value);
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            break;
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        }
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}
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static void 
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eek_xkl_layout_get_property (GObject    *object,
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                             guint       prop_id,
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                             GValue     *value,
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                             GParamSpec *pspec)
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{
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    switch (prop_id) 
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        {
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        case PROP_MODEL:
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            g_value_set_string
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                (value,
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                 eek_xkl_layout_get_model (EEK_XKL_LAYOUT(object)));
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            break;
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        case PROP_LAYOUTS:
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            g_value_set_boxed
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                (value,
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                 eek_xkl_layout_get_layouts (EEK_XKL_LAYOUT(object)));
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            break;
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        case PROP_VARIANTS:
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            g_value_set_boxed
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                (value,
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                 eek_xkl_layout_get_variants (EEK_XKL_LAYOUT(object)));
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            break;
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        case PROP_OPTIONS:
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            g_value_set_boxed
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                (value,
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                 eek_xkl_layout_get_options (EEK_XKL_LAYOUT(object)));
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            break;
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        default:
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            g_object_get_property (object,
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                                   g_param_spec_get_name (pspec),
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                                   value);
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            break;
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        }
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}
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static void
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eek_xkl_layout_class_init (EekXklLayoutClass *klass)
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{
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    GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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    GParamSpec *pspec;
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    g_type_class_add_private (gobject_class, sizeof (EekXklLayoutPrivate));
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    gobject_class->dispose = eek_xkl_layout_dispose;
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    gobject_class->set_property = eek_xkl_layout_set_property;
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    gobject_class->get_property = eek_xkl_layout_get_property;
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    /**
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     * EekXklLayout:model:
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     *
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     * The libxklavier model name of #EekXklLayout.
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     */
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    pspec = g_param_spec_string ("model",
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                                 "Model",
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                                 "Libxklavier model",
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                                 NULL,
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                                 G_PARAM_READWRITE);
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    g_object_class_install_property (gobject_class, PROP_MODEL, pspec);
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    /**
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     * EekXklLayout:layouts:
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     *
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     * The libxklavier layout names of #EekXklLayout.
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     */
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    pspec = g_param_spec_boxed ("layouts",
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                                "Layouts",
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                                "Libxklavier layouts",
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                                G_TYPE_STRV,
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                                G_PARAM_READWRITE);
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    g_object_class_install_property (gobject_class, PROP_LAYOUTS, pspec);
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    /**
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     * EekXklLayout:variants:
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     *
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     * The libxklavier variant names of #EekXklLayout.
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     */
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    pspec = g_param_spec_boxed ("variants",
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                                "Variants",
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                                "Libxklavier variants",
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                                G_TYPE_STRV,
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                                G_PARAM_READWRITE);
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    g_object_class_install_property (gobject_class, PROP_VARIANTS, pspec);
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    /**
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     * EekXklLayout:options:
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     *
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     * The libxklavier option names of #EekXklLayout.
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     */
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    pspec = g_param_spec_boxed ("options",
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                                "Options",
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                                "Libxklavier options",
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                                G_TYPE_STRV,
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                                G_PARAM_READWRITE);
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    g_object_class_install_property (gobject_class, PROP_OPTIONS, pspec);
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}
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/* Disabled since the current EekXklLayout implementation does not
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   change the server setting. */
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#if 0
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static void
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on_state_changed (XklEngine           *xklengine,
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                  XklEngineStateChange type,
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                  gint                 value,
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                  gboolean             restore,
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                  gpointer             user_data)
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{
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    EekLayout *layout = user_data;
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    if (type == GROUP_CHANGED)
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        g_signal_emit_by_name (layout, "group_changed", value);
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}
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#endif
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static void
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eek_xkl_layout_init (EekXklLayout *self)
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{
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    EekXklLayoutPrivate *priv;
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    Display *display;
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    priv = self->priv = EEK_XKL_LAYOUT_GET_PRIVATE (self);
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    priv->config = xkl_config_rec_new ();
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    display = GDK_DISPLAY_XDISPLAY (gdk_display_get_default ());
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    g_return_if_fail (display);
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    priv->engine = xkl_engine_get_instance (display);
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    /* Disabled since the current EekXklLayout implementation does not
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       change the server setting. */
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#if 0
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    g_signal_connect (priv->engine, "X-state-changed",
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                      G_CALLBACK(on_state_changed), self);
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    xkl_engine_start_listen (priv->engine, XKLL_TRACK_KEYBOARD_STATE);
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#endif
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    xkl_config_rec_get_from_server (priv->config, priv->engine);
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    set_xkb_component_names (self, priv->config);
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}
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/**
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 * eek_xkl_layout_new:
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 *
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 * Create a new #EekXklLayout.
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 */
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EekLayout *
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eek_xkl_layout_new (void)
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{
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    return g_object_new (EEK_TYPE_XKL_LAYOUT, NULL);
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}
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G_INLINE_FUNC void
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merge_xkl_config_rec (XklConfigRec *dst, XklConfigRec *src)
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{
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    if (src->model) {
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        g_free (dst->model);
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        dst->model = g_strdup (src->model);
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    }
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    if (src->layouts) {
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        g_strfreev (dst->layouts);
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        dst->layouts = g_strdupv (src->layouts);
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    }
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    if (src->variants) {
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        g_strfreev (dst->variants);
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        dst->variants = g_strdupv (src->variants);
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    }
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    if (src->options) {
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        g_strfreev (dst->options);
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        dst->options = g_strdupv (src->options);
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    }
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}
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/**
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 * eek_xkl_layout_set_config: (skip)
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 * @layout: an #EekXklLayout
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 * @config: Libxklavier configuration
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 *
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 * Reconfigure @layout with @config.
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 * Returns: %TRUE if the component name is successfully set, %FALSE otherwise
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 */
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gboolean
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eek_xkl_layout_set_config (EekXklLayout *layout,
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                           XklConfigRec *config)
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{
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    EekXklLayoutPrivate *priv = EEK_XKL_LAYOUT_GET_PRIVATE (layout);
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    XklConfigRec *c;
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    g_return_val_if_fail (priv, FALSE);
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    c = xkl_config_rec_new ();
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    merge_xkl_config_rec (c, priv->config);
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    merge_xkl_config_rec (c, config);
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    if (set_xkb_component_names (layout, c)) {
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        g_object_unref (c);
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        merge_xkl_config_rec (priv->config, config);
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        return TRUE;
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    }
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    g_object_unref (c);
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    return FALSE;
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}
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/**
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 * eek_xkl_layout_set_config_full:
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 * @layout: an #EekXklLayout
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 * @model: Libxklavier model name
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 * @layouts: Libxklavier layouts
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 * @variants: Libxklavier variants
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 * @options: Libxklavier options
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 *
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 * Reconfigure @layout with @model, @layouts, @variants, and @options.
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 * This function is merely a wrapper around
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 * eek_xkl_layout_set_config() to avoid passing an XklConfigRec
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 * pointer (which is not currently available in the
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 * gobject-introspection repository).
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 *
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 * Returns: %TRUE if the component name is successfully set, %FALSE otherwise
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 */
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gboolean
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eek_xkl_layout_set_config_full (EekXklLayout *layout,
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                                gchar *model,
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                                gchar **layouts,
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                                gchar **variants,
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                                gchar **options)
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{
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    XklConfigRec *config;
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    gboolean success;
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    config = xkl_config_rec_new ();
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    config->model = g_strdup (model);
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    config->layouts = g_strdupv (layouts);
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    config->variants = g_strdupv (variants);
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    config->options = g_strdupv (options);
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    success = eek_xkl_layout_set_config (layout, config);
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    g_object_unref (config);
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    return success;
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}
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/**
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 * eek_xkl_layout_set_model:
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 * @layout: an #EekXklLayout
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 * @model: model name
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 *
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 * Set the model name of @layout configuration (in the Libxklavier terminology).
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 * Returns: %TRUE if the component name is successfully set, %FALSE otherwise
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 */
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gboolean
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eek_xkl_layout_set_model (EekXklLayout *layout,
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                          const gchar  *model)
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{
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    EekXklLayoutPrivate *priv = EEK_XKL_LAYOUT_GET_PRIVATE (layout);
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    XklConfigRec *config;
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    gboolean success;
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    g_return_val_if_fail (priv, FALSE);
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    config = xkl_config_rec_new ();
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    config->model = (gchar *)model;
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    success = eek_xkl_layout_set_config (layout, config);
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    g_object_unref (config);
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    return success;
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}
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/**
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 * eek_xkl_layout_set_layouts:
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 * @layout: an #EekXklLayout
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 * @layouts: layout names
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 *
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 * Set the layout names of @layout (in the Libxklavier terminology).
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 * Returns: %TRUE if the component name is successfully set, %FALSE otherwise
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 */
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gboolean
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eek_xkl_layout_set_layouts (EekXklLayout *layout,
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                            gchar       **layouts)
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{
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    EekXklLayoutPrivate *priv = EEK_XKL_LAYOUT_GET_PRIVATE (layout);
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    XklConfigRec *config;
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    gboolean success;
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    g_return_val_if_fail (priv, FALSE);
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    config = xkl_config_rec_new ();
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    config->layouts = layouts;
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    success = eek_xkl_layout_set_config (layout, config);
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    g_object_unref (config);
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    return success;
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}
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/**
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 * eek_xkl_layout_set_variants:
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 * @layout: an #EekXklLayout
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 * @variants: variant names
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 *
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 * Set the variant names of @layout (in the Libxklavier terminology).
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 * Returns: %TRUE if the component name is successfully set, %FALSE otherwise
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 */
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gboolean
 | 
						|
eek_xkl_layout_set_variants (EekXklLayout *layout,
 | 
						|
                             gchar       **variants)
 | 
						|
{
 | 
						|
    EekXklLayoutPrivate *priv = EEK_XKL_LAYOUT_GET_PRIVATE (layout);
 | 
						|
    XklConfigRec *config;
 | 
						|
    gboolean success;
 | 
						|
 | 
						|
    g_return_val_if_fail (priv, FALSE);
 | 
						|
    config = xkl_config_rec_new ();
 | 
						|
    config->variants = variants;
 | 
						|
    success = eek_xkl_layout_set_config (layout, config);
 | 
						|
    g_object_unref (config);
 | 
						|
    return success;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * eek_xkl_layout_set_options:
 | 
						|
 * @layout: an #EekXklLayout
 | 
						|
 * @options: option names
 | 
						|
 *
 | 
						|
 * Set the option names of @layout (in the Libxklavier terminology).
 | 
						|
 * Returns: %TRUE if the component name is successfully set, %FALSE otherwise
 | 
						|
 */
 | 
						|
gboolean
 | 
						|
eek_xkl_layout_set_options (EekXklLayout *layout,
 | 
						|
                            gchar       **options)
 | 
						|
{
 | 
						|
    EekXklLayoutPrivate *priv = EEK_XKL_LAYOUT_GET_PRIVATE (layout);
 | 
						|
    XklConfigRec *config;
 | 
						|
    gboolean success;
 | 
						|
 | 
						|
    g_return_val_if_fail (priv, FALSE);
 | 
						|
    config = xkl_config_rec_new ();
 | 
						|
    config->options = options;
 | 
						|
    success = eek_xkl_layout_set_config (layout, config);
 | 
						|
    g_object_unref (config);
 | 
						|
    return success;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * eek_xkl_layout_enable_option:
 | 
						|
 * @layout: an #EekXklLayout
 | 
						|
 * @option: option name
 | 
						|
 *
 | 
						|
 * Set the option of @layout (in the Libxklavier terminology).
 | 
						|
 * Returns: %TRUE if the option is successfully set, %FALSE otherwise
 | 
						|
 */
 | 
						|
gboolean
 | 
						|
eek_xkl_layout_enable_option  (EekXklLayout *layout,
 | 
						|
                               const gchar  *option)
 | 
						|
{
 | 
						|
    gchar **options, **_options;
 | 
						|
    gint i, j;
 | 
						|
 | 
						|
    options = eek_xkl_layout_get_options (layout);
 | 
						|
    for (i = 0; options && options[i]; i++)
 | 
						|
        if (g_strcmp0 (options[i], option) == 0)
 | 
						|
            return TRUE;
 | 
						|
    _options = g_new0 (gchar *, (i + 2));
 | 
						|
    for (j = 0; j < i; j++)
 | 
						|
        _options[j] = g_strdup (options[j]);
 | 
						|
    _options[i] = g_strdup (option);
 | 
						|
    /* eek_xkl_layout_set_options() will free _options and its elements. */
 | 
						|
    return eek_xkl_layout_set_options (layout, _options);
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * eek_xkl_layout_disable_option:
 | 
						|
 * @layout: an #EekXklLayout
 | 
						|
 * @option: option name
 | 
						|
 *
 | 
						|
 * Unset the option of @layout (in the Libxklavier terminology).
 | 
						|
 * Returns: %TRUE if the option is successfully unset, %FALSE otherwise
 | 
						|
 */
 | 
						|
gboolean
 | 
						|
eek_xkl_layout_disable_option (EekXklLayout *layout,
 | 
						|
                               const gchar  *option)
 | 
						|
{
 | 
						|
    gchar **options, **_options;
 | 
						|
    gint i, j, k;
 | 
						|
 | 
						|
    options = eek_xkl_layout_get_options (layout);
 | 
						|
    if (!options)
 | 
						|
        return TRUE;
 | 
						|
    for (i = 0, k = 0; options[i]; i++)
 | 
						|
        if (g_strcmp0 (options[i], option) == 0)
 | 
						|
            k = i;
 | 
						|
    if (options[k] == NULL)
 | 
						|
        return TRUE;
 | 
						|
    _options = g_new0 (gchar *, i);
 | 
						|
    for (j = 0; j < k; j++)
 | 
						|
        _options[j] = g_strdup (options[j]);
 | 
						|
    for (j = k + 1; j < i; j++)
 | 
						|
        _options[j] = g_strdup (options[j]);
 | 
						|
    /* eek_xkl_layout_set_options() will free _options and its elements. */
 | 
						|
    return eek_xkl_layout_set_options (layout, _options);
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * eek_xkl_layout_get_model:
 | 
						|
 * @layout: an #EekXklLayout
 | 
						|
 *
 | 
						|
 * Get the model name of @layout configuration (in the Libxklavier terminology).
 | 
						|
 */
 | 
						|
gchar *
 | 
						|
eek_xkl_layout_get_model (EekXklLayout *layout)
 | 
						|
{
 | 
						|
    EekXklLayoutPrivate *priv = EEK_XKL_LAYOUT_GET_PRIVATE (layout);
 | 
						|
 | 
						|
    g_return_val_if_fail (priv, NULL);
 | 
						|
    return priv->config->model;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * eek_xkl_layout_get_layouts:
 | 
						|
 * @layout: an #EekXklLayout
 | 
						|
 *
 | 
						|
 * Get the layout names of @layout configuration (in the Libxklavier
 | 
						|
 * terminology).
 | 
						|
 */
 | 
						|
gchar **
 | 
						|
eek_xkl_layout_get_layouts (EekXklLayout *layout)
 | 
						|
{
 | 
						|
    EekXklLayoutPrivate *priv = EEK_XKL_LAYOUT_GET_PRIVATE (layout);
 | 
						|
 | 
						|
    g_return_val_if_fail (priv, NULL);
 | 
						|
    return priv->config->layouts;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * eek_xkl_layout_get_variants:
 | 
						|
 * @layout: an #EekXklLayout
 | 
						|
 *
 | 
						|
 * Get the variant names of @layout configuration (in the Libxklavier
 | 
						|
 * terminology).
 | 
						|
 */
 | 
						|
gchar **
 | 
						|
eek_xkl_layout_get_variants (EekXklLayout *layout)
 | 
						|
{
 | 
						|
    EekXklLayoutPrivate *priv = EEK_XKL_LAYOUT_GET_PRIVATE (layout);
 | 
						|
 | 
						|
    g_return_val_if_fail (priv, NULL);
 | 
						|
    return priv->config->variants;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * eek_xkl_layout_get_options:
 | 
						|
 * @layout: an #EekXklLayout
 | 
						|
 *
 | 
						|
 * Get the option names of @layout configuration (in the Libxklavier
 | 
						|
 * terminology).
 | 
						|
 */
 | 
						|
gchar **
 | 
						|
eek_xkl_layout_get_options (EekXklLayout *layout)
 | 
						|
{
 | 
						|
    EekXklLayoutPrivate *priv = EEK_XKL_LAYOUT_GET_PRIVATE (layout);
 | 
						|
 | 
						|
    g_return_val_if_fail (priv, NULL);
 | 
						|
    return priv->config->options;
 | 
						|
}
 | 
						|
 | 
						|
static gboolean
 | 
						|
set_xkb_component_names (EekXklLayout *layout, XklConfigRec *config)
 | 
						|
{
 | 
						|
    EekXklLayoutPrivate *priv = layout->priv;
 | 
						|
    XkbComponentNamesRec names;
 | 
						|
    gboolean success = FALSE;
 | 
						|
 | 
						|
#if DEBUG
 | 
						|
    if (config->layouts) {
 | 
						|
        gint i;
 | 
						|
 | 
						|
        fprintf (stderr, "layout = ");
 | 
						|
        for (i = 0; config->layouts[i] != NULL; i++)
 | 
						|
            fprintf (stderr, "\"%s\" ", config->layouts[i]);
 | 
						|
        fputc ('\n', stderr);
 | 
						|
    } else
 | 
						|
        fprintf (stderr, "layouts = NULL\n");
 | 
						|
    if (config->variants) {
 | 
						|
        gint i;
 | 
						|
 | 
						|
        fprintf (stderr, "variant = ");
 | 
						|
        for (i = 0; config->variants[i]; i++)
 | 
						|
            fprintf (stderr, "\"%s\" ", config->variants[i]);
 | 
						|
        fputc ('\n', stderr);
 | 
						|
    } else
 | 
						|
        fprintf (stderr, "variants = NULL\n");
 | 
						|
    if (config->options) {
 | 
						|
        gint i;
 | 
						|
 | 
						|
        fprintf (stderr, "option = ");
 | 
						|
        for (i = 0; config->options[i]; i++)
 | 
						|
            fprintf (stderr, "\"%s\" ", config->options[i]);
 | 
						|
        fputc ('\n', stderr);
 | 
						|
    } else
 | 
						|
        fprintf (stderr, "options = NULL\n");
 | 
						|
#endif
 | 
						|
 | 
						|
    /* Disabled since the current EekXklLayout implementation does not
 | 
						|
       change the server setting. */
 | 
						|
#if 0
 | 
						|
    xkl_config_rec_activate (priv->engine, config);
 | 
						|
#endif
 | 
						|
    if (xkl_xkb_config_native_prepare (priv->engine, config, &names)) {
 | 
						|
        success = eek_xkb_layout_set_names (EEK_XKB_LAYOUT(layout), &names);
 | 
						|
        xkl_xkb_config_native_cleanup (priv->engine, &names);
 | 
						|
    }
 | 
						|
    return success;
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * eek_xkl_layout_get_option:
 | 
						|
 * @layout: an #EekXklLayout
 | 
						|
 * @option: option name
 | 
						|
 *
 | 
						|
 * Tell if the option of @layout (in the Libxklavier terminology) is set.
 | 
						|
 * Returns: %TRUE if the option is set, %FALSE otherwise
 | 
						|
 */
 | 
						|
gboolean
 | 
						|
eek_xkl_layout_get_option (EekXklLayout *layout,
 | 
						|
                           const gchar  *option)
 | 
						|
{
 | 
						|
    gchar **options;
 | 
						|
    gint i;
 | 
						|
 | 
						|
    options = eek_xkl_layout_get_options (layout);
 | 
						|
    for (i = 0; options && options[i]; i++)
 | 
						|
        if (g_strcmp0 (options[i], option) == 0)
 | 
						|
            return TRUE;
 | 
						|
    return FALSE;
 | 
						|
}
 |