meta-keymap-native.c 3.76 KB
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/*
 * Copyright (C) 2018 Red Hat
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 * 02111-1307, USA.
 *
 * Author: Carlos Garnacho <carlosg@gnome.org>
 */

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#include "config.h"
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#include "backends/native/meta-device-manager-native.h"
#include "backends/native/meta-keymap-native.h"
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static const char *option_xkb_layout = "us";
static const char *option_xkb_variant = "";
static const char *option_xkb_options = "";

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typedef struct _MetaKeymapNative MetaKeymapNative;
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struct _MetaKeymapNative
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{
  ClutterKeymap parent_instance;

  struct xkb_keymap *keymap;
};

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G_DEFINE_TYPE (MetaKeymapNative, meta_keymap_native,
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               CLUTTER_TYPE_KEYMAP)

static void
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meta_keymap_native_finalize (GObject *object)
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{
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  MetaKeymapNative *keymap = META_KEYMAP_NATIVE (object);
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  xkb_keymap_unref (keymap->keymap);

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  G_OBJECT_CLASS (meta_keymap_native_parent_class)->finalize (object);
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}

static gboolean
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meta_keymap_native_get_num_lock_state (ClutterKeymap *keymap)
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{
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  MetaDeviceManagerNative *device_manager;
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  struct xkb_state *xkb_state;

  device_manager =
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    META_DEVICE_MANAGER_NATIVE (clutter_device_manager_get_default ());
  xkb_state = meta_device_manager_native_get_xkb_state (device_manager);
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  return xkb_state_mod_name_is_active (xkb_state,
                                       XKB_MOD_NAME_NUM,
                                       XKB_STATE_MODS_LATCHED ||
                                       XKB_STATE_MODS_LOCKED);
}

static gboolean
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meta_keymap_native_get_caps_lock_state (ClutterKeymap *keymap)
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{
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  MetaDeviceManagerNative *device_manager;
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  struct xkb_state *xkb_state;

  device_manager =
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    META_DEVICE_MANAGER_NATIVE (clutter_device_manager_get_default ());
  xkb_state = meta_device_manager_native_get_xkb_state (device_manager);
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  return xkb_state_mod_name_is_active (xkb_state,
                                       XKB_MOD_NAME_CAPS,
                                       XKB_STATE_MODS_LATCHED ||
                                       XKB_STATE_MODS_LOCKED);
}

static void
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meta_keymap_native_class_init (MetaKeymapNativeClass *klass)
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{
  GObjectClass *object_class = G_OBJECT_CLASS (klass);
  ClutterKeymapClass *keymap_class = CLUTTER_KEYMAP_CLASS (klass);

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  object_class->finalize = meta_keymap_native_finalize;
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  keymap_class->get_num_lock_state = meta_keymap_native_get_num_lock_state;
  keymap_class->get_caps_lock_state = meta_keymap_native_get_caps_lock_state;
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}

static void
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meta_keymap_native_init (MetaKeymapNative *keymap)
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{
  struct xkb_context *ctx;
  struct xkb_rule_names names;

  names.rules = "evdev";
  names.model = "pc105";
  names.layout = option_xkb_layout;
  names.variant = option_xkb_variant;
  names.options = option_xkb_options;

  ctx = xkb_context_new (0);
  g_assert (ctx);
  keymap->keymap = xkb_keymap_new_from_names (ctx, &names, 0);
  xkb_context_unref (ctx);
}

void
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meta_keymap_native_set_keyboard_map (MetaKeymapNative  *keymap,
                                     struct xkb_keymap *xkb_keymap)
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{
  if (keymap->keymap)
    xkb_keymap_unref (keymap->keymap);
  keymap->keymap = xkb_keymap_ref (xkb_keymap);
}

struct xkb_keymap *
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meta_keymap_native_get_keyboard_map (MetaKeymapNative *keymap)
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{
  return keymap->keymap;
}