src/ibuspanelservice.c

   1 /* -*- mode: C; c-basic-offset: 4; indent-tabs-mode: nil; -*- */
   2 /* vim:set et sts=4: */
   3 /* ibus - The Input Bus
   4  * Copyright (c) 2009, Google Inc. All rights reserved.
   5  * Copyright (C) 2010 Peng Huang <shawn.p.huang@gmail.com>
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the
  19  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  20  * Boston, MA 02111-1307, USA.
  21  */
  22 #include "ibusshare.h"
  23 #include "ibuspanelservice.h"
  24 #include "ibusmarshalers.h"
  25 #include "ibusinternal.h"
  26
  27 enum {
  28     UPDATE_PREEDIT_TEXT,
  29     UPDATE_AUXILIARY_TEXT,
  30     UPDATE_LOOKUP_TABLE,
  31     FOCUS_IN,
  32     FOCUS_OUT,
  33     REGISTER_PROPERTIES,
  34     UPDATE_PROPERTY,
  35     SET_CURSOR_LOCATION,
  36     CURSOR_UP_LOOKUP_TABLE,
  37     CURSOR_DOWN_LOOKUP_TABLE,
  38     HIDE_AUXILIARY_TEXT,
  39     HIDE_LANGUAGE_BAR,
  40     HIDE_LOOKUP_TABLE,
  41     HIDE_PREEDIT_TEXT,
  42     PAGE_UP_LOOKUP_TABLE,
  43     PAGE_DOWN_LOOKUP_TABLE,
  44     RESET,
  45     SHOW_AUXILIARY_TEXT,
  46     SHOW_LANGUAGE_BAR,
  47     SHOW_LOOKUP_TABLE,
  48     SHOW_PREEDIT_TEXT,
  49     START_SETUP,
  50     STATE_CHANGED,
  51     LAST_SIGNAL,
  52 };
  53
  54 enum {
  55     PROP_0,
  56 };
  57
  58 static guint            panel_signals[LAST_SIGNAL] = { 0 };
  59
  60 /* functions prototype */
  61 static void      ibus_panel_service_set_property          (IBusPanelService       *panel,
  62                                                            guint                   prop_id,
  63                                                            const GValue           *value,
  64                                                            GParamSpec             *pspec);
  65 static void      ibus_panel_service_get_property          (IBusPanelService       *panel,
  66                                                            guint                   prop_id,
  67                                                            GValue                 *value,
  68                                                            GParamSpec             *pspec);
  69 static void      ibus_panel_service_real_destroy          (IBusPanelService       *panel);
  70 static void      ibus_panel_service_service_method_call   (IBusService            *service,
  71                                                            GDBusConnection        *connection,
  72                                                            const gchar            *sender,
  73                                                            const gchar            *object_path,
  74                                                            const gchar            *interface_name,
  75                                                            const gchar            *method_name,
  76                                                            GVariant               *parameters,
  77                                                            GDBusMethodInvocation  *invocation);
  78 static GVariant *ibus_panel_service_service_get_property  (IBusService            *service,
  79                                                            GDBusConnection        *connection,
  80                                                            const gchar            *sender,
  81                                                            const gchar            *object_path,
  82                                                            const gchar            *interface_name,
  83                                                            const gchar            *property_name,
  84                                                            GError                **error);
  85 static gboolean  ibus_panel_service_service_set_property  (IBusService            *service,
  86                                                            GDBusConnection        *connection,
  87                                                            const gchar            *sender,
  88                                                            const gchar            *object_path,
  89                                                            const gchar            *interface_name,
  90                                                            const gchar            *property_name,
  91                                                            GVariant               *value,
  92                                                            GError                **error);
  93 static void      ibus_panel_service_not_implemented       (IBusPanelService      *panel);
  94 static void      ibus_panel_service_focus_in              (IBusPanelService      *panel,
  95                                                            const gchar           *input_context_path);
  96 static void      ibus_panel_service_focus_out             (IBusPanelService      *panel,
  97                                                            const gchar           *input_context_path);
  98 static void      ibus_panel_service_register_properties   (IBusPanelService      *panel,
  99                                                            IBusPropList          *prop_list);
 100 static void      ibus_panel_service_set_cursor_location   (IBusPanelService      *panel,
 101                                                            gint                   x,
 102                                                            gint                   y,
 103                                                            gint                   w,
 104                                                            gint                   h);
 105 static void      ibus_panel_service_update_auxiliary_text (IBusPanelService      *panel,
 106                                                            IBusText              *text,
 107                                                            gboolean               visible);
 108 static void      ibus_panel_service_update_lookup_table   (IBusPanelService      *panel,
 109                                                            IBusLookupTable       *lookup_table,
 110                                                            gboolean               visible);
 111 static void      ibus_panel_service_update_preedit_text   (IBusPanelService      *panel,
 112                                                            IBusText              *text,
 113                                                            guint                  cursor_pos,
 114                                                            gboolean               visible);
 115 static void      ibus_panel_service_update_property       (IBusPanelService      *panel,
 116                                                            IBusProperty          *prop);
 117
 118 G_DEFINE_TYPE (IBusPanelService, ibus_panel_service, IBUS_TYPE_SERVICE)
 119
 120 static const gchar introspection_xml[] =
 121     "<node>"
 122     "  <interface name='org.freedesktop.IBus.Panel'>"
 123     /* Methods */
 124     "    <method name='UpdatePreeditText'>"
 125     "      <arg direction='in'  type='v' name='text' />"
 126     "      <arg direction='in'  type='u' name='cursor_pos' />"
 127     "      <arg direction='in'  type='b' name='visible' />"
 128     "    </method>"
 129     "    <method name='ShowPreeditText' />"
 130     "    <method name='HidePreeditText' />"
 131     "    <method name='UpdateAuxiliaryText'>"
 132     "      <arg direction='in'  type='v' name='text' />"
 133     "      <arg direction='in'  type='b' name='visible' />"
 134     "    </method>"
 135     "    <method name='ShowAuxiliaryText' />"
 136     "    <method name='HideAuxiliaryText' />"
 137     "    <method name='UpdateLookupTable'>"
 138     "      <arg direction='in' type='v' name='table' />"
 139     "      <arg direction='in' type='b' name='visible' />"
 140     "    </method>"
 141     "    <method name='ShowLookupTable' />"
 142     "    <method name='HideLookupTable' />"
 143     "    <method name='CursorUpLookupTable' />"
 144     "    <method name='CursorDownLookupTable' />"
 145     "    <method name='PageUpLookupTable' />"
 146     "    <method name='PageDownLookupTable' />"
 147     "    <method name='RegisterProperties'>"
 148     "      <arg direction='in'  type='v' name='props' />"
 149     "    </method>"
 150     "    <method name='UpdateProperty'>"
 151     "      <arg direction='in'  type='v' name='prop' />"
 152     "    </method>"
 153     "    <method name='FocusIn'>"
 154     "      <arg direction='in'  type='o' name='ic' />"
 155     "    </method>"
 156     "    <method name='FocusOut'>"
 157     "      <arg direction='in'  type='o' name='ic' />"
 158     "    </method>"
 159     "    <method name='SetCursorLocation'>"
 160     "      <arg direction='in' type='i' name='x' />"
 161     "      <arg direction='in' type='i' name='y' />"
 162     "      <arg direction='in' type='i' name='w' />"
 163     "      <arg direction='in' type='i' name='h' />"
 164     "    </method>"
 165     "    <method name='Reset' />"
 166     "    <method name='StartSetup' />"
 167     "    <method name='StateChanged' />"
 168     "    <method name='HideLanguageBar' />"
 169     "    <method name='ShowLanguageBar' />"
 170     /* Signals */
 171     "    <signal name='CursorUp' />"
 172     "    <signal name='CursorDown' />"
 173     "    <signal name='PageUp' />"
 174     "    <signal name='PageDown' />"
 175     "    <signal name='PropertyActivate'>"
 176     "      <arg type='s' name='prop_name' />"
 177     "      <arg type='i' name='prop_state' />"
 178     "    </signal>"
 179     "    <signal name='PropertyShow'>"
 180     "      <arg type='s' name='prop_name' />"
 181     "    </signal>"
 182     "    <signal name='PropertyHide'>"
 183     "      <arg type='s' name='prop_name' />"
 184     "    </signal>"
 185     "    <signal name='CandidateClicked'>"
 186     "      <arg type='u' name='index' />"
 187     "      <arg type='u' name='button' />"
 188     "      <arg type='u' name='state' />"
 189     "    </signal>"
 190     "  </interface>"
 191     "</node>";
 192
 193 static void
 194 ibus_panel_service_class_init (IBusPanelServiceClass *class)
 195 {
 196     GObjectClass *gobject_class = G_OBJECT_CLASS (class);
 197     ibus_panel_service_parent_class = IBUS_SERVICE_CLASS (g_type_class_peek_parent (class));
 198
 199     gobject_class->set_property = (GObjectSetPropertyFunc) ibus_panel_service_set_property;
 200     gobject_class->get_property = (GObjectGetPropertyFunc) ibus_panel_service_get_property;
 201
 202     IBUS_OBJECT_CLASS (gobject_class)->destroy = (IBusObjectDestroyFunc) ibus_panel_service_real_destroy;
 203
 204     IBUS_SERVICE_CLASS (class)->service_method_call  = ibus_panel_service_service_method_call;
 205     IBUS_SERVICE_CLASS (class)->service_get_property = ibus_panel_service_service_get_property;
 206     IBUS_SERVICE_CLASS (class)->service_set_property = ibus_panel_service_service_set_property;
 207
 208     ibus_service_class_add_interfaces (IBUS_SERVICE_CLASS (class), introspection_xml);
 209
 210     class->focus_in              = ibus_panel_service_focus_in;
 211     class->focus_out             = ibus_panel_service_focus_out;
 212     class->register_properties   = ibus_panel_service_register_properties;
 213     class->set_cursor_location   = ibus_panel_service_set_cursor_location;
 214     class->update_lookup_table   = ibus_panel_service_update_lookup_table;
 215     class->update_auxiliary_text = ibus_panel_service_update_auxiliary_text;
 216     class->update_preedit_text   = ibus_panel_service_update_preedit_text;
 217     class->update_property       = ibus_panel_service_update_property;
 218
 219     class->cursor_down_lookup_table = ibus_panel_service_not_implemented;
 220     class->cursor_up_lookup_table   = ibus_panel_service_not_implemented;
 221     class->hide_auxiliary_text      = ibus_panel_service_not_implemented;
 222     class->hide_language_bar        = ibus_panel_service_not_implemented;
 223     class->hide_lookup_table        = ibus_panel_service_not_implemented;
 224     class->hide_preedit_text        = ibus_panel_service_not_implemented;
 225     class->page_down_lookup_table   = ibus_panel_service_not_implemented;
 226     class->page_up_lookup_table     = ibus_panel_service_not_implemented;
 227     class->reset                    = ibus_panel_service_not_implemented;
 228     class->show_auxiliary_text      = ibus_panel_service_not_implemented;
 229     class->show_language_bar        = ibus_panel_service_not_implemented;
 230     class->show_lookup_table        = ibus_panel_service_not_implemented;
 231     class->show_preedit_text        = ibus_panel_service_not_implemented;
 232     class->start_setup              = ibus_panel_service_not_implemented;
 233     class->state_changed            = ibus_panel_service_not_implemented;
 234
 235     /* install signals */
 236     /**
 237      * IBusPanelService::update-preedit-text:
 238      * @text: A preedit text to be updated.
 239      * @cursor_pos: The cursor position of the text.
 240      * @visible: Whether the update is visible.
 241      *
 242      * Emitted when the client application get the update-preedit-text.
 243      * Implement the member function update_preedit_text() in extended class to receive this signal.
 244      *
 245      * <note><para>Argument @user_data is ignored in this function.</para></note>
 246      */
 247     panel_signals[UPDATE_PREEDIT_TEXT] =
 248         g_signal_new (I_("update-preedit-text"),
 249             G_TYPE_FROM_CLASS (gobject_class),
 250             G_SIGNAL_RUN_LAST,
 251             G_STRUCT_OFFSET (IBusPanelServiceClass, update_preedit_text),
 252             NULL, NULL,
 253             _ibus_marshal_VOID__OBJECT_UINT_BOOLEAN,
 254             G_TYPE_NONE,
 255             3,
 256             IBUS_TYPE_TEXT,
 257             G_TYPE_UINT,
 258             G_TYPE_BOOLEAN);
 259
 260     /**
 261      * IBusPanelService::update-auxiliary-text:
 262      * @text: A preedit text to be updated.
 263      * @visible: Whether the update is visible.
 264      *
 265      * Emitted when the client application get the update-auxiliary-text.
 266      * Implement the member function update_auxiliary_text() in extended class to receive this signal.
 267      *
 268      * <note><para>Argument @user_data is ignored in this function.</para></note>
 269      */
 270     panel_signals[UPDATE_AUXILIARY_TEXT] =
 271         g_signal_new (I_("update-auxiliary-text"),
 272             G_TYPE_FROM_CLASS (gobject_class),
 273             G_SIGNAL_RUN_LAST,
 274             G_STRUCT_OFFSET (IBusPanelServiceClass, update_auxiliary_text),
 275             NULL, NULL,
 276             _ibus_marshal_VOID__OBJECT_BOOLEAN,
 277             G_TYPE_NONE,
 278             2,
 279             IBUS_TYPE_TEXT,
 280             G_TYPE_BOOLEAN);
 281
 282     /**
 283      * IBusPanelService::update-lookup-table:
 284      * @lookup_table: A lookup table to be updated.
 285      * @visible: Whether the update is visible.
 286      *
 287      * Emitted when the client application get the update-lookup-table.
 288      * Implement the member function update_lookup_table() in extended class to receive this signal.
 289      *
 290      * <note><para>Argument @user_data is ignored in this function.</para></note>
 291      */
 292     panel_signals[UPDATE_LOOKUP_TABLE] =
 293         g_signal_new (I_("update-lookup-table"),
 294             G_TYPE_FROM_CLASS (gobject_class),
 295             G_SIGNAL_RUN_LAST,
 296             G_STRUCT_OFFSET (IBusPanelServiceClass, update_lookup_table),
 297             NULL, NULL,
 298             _ibus_marshal_VOID__OBJECT_BOOLEAN,
 299             G_TYPE_NONE,
 300             2,
 301             IBUS_TYPE_LOOKUP_TABLE,
 302             G_TYPE_BOOLEAN);
 303
 304     /**
 305      * IBusPanelService::focus-in:
 306      * @input_context_path: Object path of InputContext.
 307      *
 308      * Emitted when the client application get the focus-in.
 309      * Implement the member function focus_in() in extended class to receive this signal.
 310      *
 311      * <note><para>Argument @user_data is ignored in this function.</para></note>
 312      */
 313     panel_signals[FOCUS_IN] =
 314         g_signal_new (I_("focus-in"),
 315             G_TYPE_FROM_CLASS (gobject_class),
 316             G_SIGNAL_RUN_LAST,
 317             G_STRUCT_OFFSET (IBusPanelServiceClass, focus_in),
 318             NULL, NULL,
 319             _ibus_marshal_VOID__STRING,
 320             G_TYPE_NONE,
 321             1,
 322             G_TYPE_STRING);
 323
 324     /**
 325      * IBusPanelService::focus-out:
 326      * @input_context_path: Object path of InputContext.
 327      *
 328      * Emitted when the client application get the focus-out.
 329      * Implement the member function focus_out() in extended class to receive this signal.
 330      *
 331      * <note><para>Argument @user_data is ignored in this function.</para></note>
 332      */
 333     panel_signals[FOCUS_OUT] =
 334         g_signal_new (I_("focus-out"),
 335             G_TYPE_FROM_CLASS (gobject_class),
 336             G_SIGNAL_RUN_LAST,
 337             G_STRUCT_OFFSET (IBusPanelServiceClass, focus_out),
 338             NULL, NULL,
 339             _ibus_marshal_VOID__STRING,
 340             G_TYPE_NONE,
 341             1,
 342             G_TYPE_STRING);
 343
 344     /**
 345      * IBusPanelService::register-properties:
 346      * @prop_list: An IBusPropList that contains properties.
 347      *
 348      * Emitted when the client application get the register-properties.
 349      * Implement the member function register_properties() in extended class to receive this signal.
 350      *
 351      * <note><para>Argument @user_data is ignored in this function.</para></note>
 352      */
 353     panel_signals[REGISTER_PROPERTIES] =
 354         g_signal_new (I_("register-properties"),
 355             G_TYPE_FROM_CLASS (gobject_class),
 356             G_SIGNAL_RUN_LAST,
 357             G_STRUCT_OFFSET (IBusPanelServiceClass, register_properties),
 358             NULL, NULL,
 359             _ibus_marshal_VOID__OBJECT,
 360             G_TYPE_NONE,
 361             1,
 362             IBUS_TYPE_PROP_LIST);
 363
 364     /**
 365      * IBusPanelService::update-property:
 366      * @prop: The IBusProperty to be updated.
 367      *
 368      * Emitted when the client application get the update-property.
 369      * Implement the member function update_property() in extended class to receive this signal.
 370      *
 371      * <note><para>Argument @user_data is ignored in this function.</para></note>
 372      */
 373     panel_signals[UPDATE_PROPERTY] =
 374         g_signal_new (I_("update-property"),
 375             G_TYPE_FROM_CLASS (gobject_class),
 376             G_SIGNAL_RUN_LAST,
 377             G_STRUCT_OFFSET (IBusPanelServiceClass, update_property),
 378             NULL, NULL,
 379             _ibus_marshal_VOID__OBJECT,
 380             G_TYPE_NONE,
 381             1,
 382             IBUS_TYPE_PROPERTY);
 383
 384     /**
 385      * IBusPanelService::set-cursor-location:
 386      * @x: X coordinate of the cursor.
 387      * @y: Y coordinate of the cursor.
 388      * @w: Width of the cursor.
 389      * @h: Height of the cursor.
 390      *
 391      * Emitted when the client application get the set-cursor-location.
 392      * Implement the member function set_cursor_location() in extended class to receive this signal.
 393      *
 394      * <note><para>Argument @user_data is ignored in this function.</para></note>
 395      */
 396     panel_signals[SET_CURSOR_LOCATION] =
 397         g_signal_new (I_("set-cursor-location"),
 398             G_TYPE_FROM_CLASS (gobject_class),
 399             G_SIGNAL_RUN_LAST,
 400             G_STRUCT_OFFSET (IBusPanelServiceClass, set_cursor_location),
 401             NULL, NULL,
 402             _ibus_marshal_VOID__INT_INT_INT_INT,
 403             G_TYPE_NONE,
 404             4,
 405             G_TYPE_INT,
 406             G_TYPE_INT,
 407             G_TYPE_INT,
 408             G_TYPE_INT);
 409
 410     /**
 411      * IBusPanelService::cursor-up-lookup-table:
 412      *
 413      * Emitted when the client application get the cursor-up-lookup-table.
 414      * Implement the member function cursor_up_lookup_table() in extended class to receive this signal.
 415      *
 416      * <note><para>Argument @user_data is ignored in this function.</para></note>
 417      */
 418     panel_signals[CURSOR_UP_LOOKUP_TABLE] =
 419         g_signal_new (I_("cursor-up-lookup-table"),
 420             G_TYPE_FROM_CLASS (gobject_class),
 421             G_SIGNAL_RUN_LAST,
 422             G_STRUCT_OFFSET (IBusPanelServiceClass, cursor_up_lookup_table),
 423             NULL, NULL,
 424             _ibus_marshal_VOID__VOID,
 425             G_TYPE_NONE, 0);
 426
 427     /**
 428      * IBusPanelService::cursor-down-lookup-table:
 429      *
 430      * Emitted when the client application get the cursor-down-lookup-table.
 431      * Implement the member function cursor_down_lookup_table() in extended class to receive this signal.
 432      *
 433      * <note><para>Argument @user_data is ignored in this function.</para></note>
 434      */
 435     panel_signals[CURSOR_DOWN_LOOKUP_TABLE] =
 436         g_signal_new (I_("cursor-down-lookup-table"),
 437             G_TYPE_FROM_CLASS (gobject_class),
 438             G_SIGNAL_RUN_LAST,
 439             G_STRUCT_OFFSET (IBusPanelServiceClass, cursor_down_lookup_table),
 440             NULL, NULL,
 441             _ibus_marshal_VOID__VOID,
 442             G_TYPE_NONE, 0);
 443
 444     /**
 445      * IBusPanelService::hide-auxiliary-text:
 446      *
 447      * Emitted when the client application get the hide-auxiliary-text.
 448      * Implement the member function hide_auxiliary_text() in extended class to receive this signal.
 449      *
 450      * <note><para>Argument @user_data is ignored in this function.</para></note>
 451      */
 452     panel_signals[HIDE_AUXILIARY_TEXT] =
 453         g_signal_new (I_("hide-auxiliary-text"),
 454             G_TYPE_FROM_CLASS (gobject_class),
 455             G_SIGNAL_RUN_LAST,
 456             G_STRUCT_OFFSET (IBusPanelServiceClass, hide_auxiliary_text),
 457             NULL, NULL,
 458             _ibus_marshal_VOID__VOID,
 459             G_TYPE_NONE, 0);
 460
 461     /**
 462      * IBusPanelService::hide-language-bar:
 463      *
 464      * Emitted when the client application get the hide-language-bar.
 465      * Implement the member function hide_language_bar() in extended class to receive this signal.
 466      *
 467      * <note><para>Argument @user_data is ignored in this function.</para></note>
 468      */
 469     panel_signals[HIDE_LANGUAGE_BAR] =
 470         g_signal_new (I_("hide-language-bar"),
 471             G_TYPE_FROM_CLASS (gobject_class),
 472             G_SIGNAL_RUN_LAST,
 473             G_STRUCT_OFFSET (IBusPanelServiceClass, hide_language_bar),
 474             NULL, NULL,
 475             _ibus_marshal_VOID__VOID,
 476             G_TYPE_NONE, 0);
 477
 478     /**
 479      * IBusPanelService::hide-lookup-table:
 480      *
 481      * Emitted when the client application get the hide-lookup-table.
 482      * Implement the member function hide_lookup_table() in extended class to receive this signal.
 483      *
 484      * <note><para>Argument @user_data is ignored in this function.</para></note>
 485      */
 486     panel_signals[HIDE_LOOKUP_TABLE] =
 487         g_signal_new (I_("hide-lookup-table"),
 488             G_TYPE_FROM_CLASS (gobject_class),
 489             G_SIGNAL_RUN_LAST,
 490             G_STRUCT_OFFSET (IBusPanelServiceClass, hide_lookup_table),
 491             NULL, NULL,
 492             _ibus_marshal_VOID__VOID,
 493             G_TYPE_NONE, 0);
 494
 495     /**
 496      * IBusPanelService::hide-preedit-text:
 497      *
 498      * Emitted when the client application get the hide-preedit-text.
 499      * Implement the member function hide_preedit_text() in extended class to receive this signal.
 500      *
 501      * <note><para>Argument @user_data is ignored in this function.</para></note>
 502      */
 503     panel_signals[HIDE_PREEDIT_TEXT] =
 504         g_signal_new (I_("hide-preedit-text"),
 505             G_TYPE_FROM_CLASS (gobject_class),
 506             G_SIGNAL_RUN_LAST,
 507             G_STRUCT_OFFSET (IBusPanelServiceClass, hide_preedit_text),
 508             NULL, NULL,
 509             _ibus_marshal_VOID__VOID,
 510             G_TYPE_NONE, 0);
 511
 512     /**
 513      * IBusPanelService::page-up-lookup-table:
 514      *
 515      * Emitted when the client application get the page-up-lookup-table.
 516      * Implement the member function page_up_lookup_table() in extended class to receive this signal.
 517      *
 518      * <note><para>Argument @user_data is ignored in this function.</para></note>
 519      */
 520     panel_signals[PAGE_UP_LOOKUP_TABLE] =
 521         g_signal_new (I_("page-up-lookup-table"),
 522             G_TYPE_FROM_CLASS (gobject_class),
 523             G_SIGNAL_RUN_LAST,
 524             G_STRUCT_OFFSET (IBusPanelServiceClass, page_up_lookup_table),
 525             NULL, NULL,
 526             _ibus_marshal_VOID__VOID,
 527             G_TYPE_NONE, 0);
 528
 529     /**
 530      * IBusPanelService::page-down-lookup-table:
 531      *
 532      * Emitted when the client application get the page-down-lookup-table.
 533      * Implement the member function page_down_lookup_table() in extended class to receive this signal.
 534      *
 535      * <note><para>Argument @user_data is ignored in this function.</para></note>
 536      */
 537     panel_signals[PAGE_DOWN_LOOKUP_TABLE] =
 538         g_signal_new (I_("page-down-lookup-table"),
 539             G_TYPE_FROM_CLASS (gobject_class),
 540             G_SIGNAL_RUN_LAST,
 541             G_STRUCT_OFFSET (IBusPanelServiceClass, page_down_lookup_table),
 542             NULL, NULL,
 543             _ibus_marshal_VOID__VOID,
 544             G_TYPE_NONE, 0);
 545
 546     /**
 547      * IBusPanelService::reset:
 548      *
 549      * Emitted when the client application get the reset.
 550      * Implement the member function reset() in extended class to receive this signal.
 551      *
 552      * <note><para>Argument @user_data is ignored in this function.</para></note>
 553      */
 554     panel_signals[RESET] =
 555         g_signal_new (I_("reset"),
 556             G_TYPE_FROM_CLASS (gobject_class),
 557             G_SIGNAL_RUN_LAST,
 558             G_STRUCT_OFFSET (IBusPanelServiceClass, reset),
 559             NULL, NULL,
 560             _ibus_marshal_VOID__VOID,
 561             G_TYPE_NONE, 0);
 562
 563     /**
 564      * IBusPanelService::show-auxiliary-text:
 565      *
 566      * Emitted when the client application get the show-auxiliary-text.
 567      * Implement the member function show_auxiliary_text() in extended class to receive this signal.
 568      *
 569      * <note><para>Argument @user_data is ignored in this function.</para></note>
 570      */
 571     panel_signals[SHOW_AUXILIARY_TEXT] =
 572         g_signal_new (I_("show-auxiliary-text"),
 573             G_TYPE_FROM_CLASS (gobject_class),
 574             G_SIGNAL_RUN_LAST,
 575             G_STRUCT_OFFSET (IBusPanelServiceClass, show_auxiliary_text),
 576             NULL, NULL,
 577             _ibus_marshal_VOID__VOID,
 578             G_TYPE_NONE, 0);
 579
 580     /**
 581      * IBusPanelService::show-language-bar:
 582      *
 583      * Emitted when the client application get the show-language-bar.
 584      * Implement the member function show_language_bar() in extended class to receive this signal.
 585      *
 586      * <note><para>Argument @user_data is ignored in this function.</para></note>
 587      */
 588     panel_signals[SHOW_LANGUAGE_BAR] =
 589         g_signal_new (I_("show-language-bar"),
 590             G_TYPE_FROM_CLASS (gobject_class),
 591             G_SIGNAL_RUN_LAST,
 592             G_STRUCT_OFFSET (IBusPanelServiceClass, show_language_bar),
 593             NULL, NULL,
 594             _ibus_marshal_VOID__VOID,
 595             G_TYPE_NONE, 0);
 596
 597     /**
 598      * IBusPanelService::show-lookup-table:
 599      *
 600      * Emitted when the client application get the show-lookup-table.
 601      * Implement the member function show_lookup_table() in extended class to receive this signal.
 602      *
 603      * <note><para>Argument @user_data is ignored in this function.</para></note>
 604      */
 605     panel_signals[SHOW_LOOKUP_TABLE] =
 606         g_signal_new (I_("show-lookup-table"),
 607             G_TYPE_FROM_CLASS (gobject_class),
 608             G_SIGNAL_RUN_LAST,
 609             G_STRUCT_OFFSET (IBusPanelServiceClass, show_lookup_table),
 610             NULL, NULL,
 611             _ibus_marshal_VOID__VOID,
 612             G_TYPE_NONE, 0);
 613
 614     /**
 615      * IBusPanelService::show-preedit-text:
 616      *
 617      * Emitted when the client application get the show-preedit-text.
 618      * Implement the member function show_preedit_text() in extended class to receive this signal.
 619      *
 620      * <note><para>Argument @user_data is ignored in this function.</para></note>
 621      */
 622     panel_signals[SHOW_PREEDIT_TEXT] =
 623         g_signal_new (I_("show-preedit-text"),
 624             G_TYPE_FROM_CLASS (gobject_class),
 625             G_SIGNAL_RUN_LAST,
 626             G_STRUCT_OFFSET (IBusPanelServiceClass, show_preedit_text),
 627             NULL, NULL,
 628             _ibus_marshal_VOID__VOID,
 629             G_TYPE_NONE, 0);
 630
 631     /**
 632      * IBusPanelService::start-setup:
 633      *
 634      * Emitted when the client application get the start-setup.
 635      * Implement the member function start_setup() in extended class to receive this signal.
 636      *
 637      * <note><para>Argument @user_data is ignored in this function.</para></note>
 638      */
 639     panel_signals[START_SETUP] =
 640         g_signal_new (I_("start-setup"),
 641             G_TYPE_FROM_CLASS (gobject_class),
 642             G_SIGNAL_RUN_LAST,
 643             G_STRUCT_OFFSET (IBusPanelServiceClass, start_setup),
 644             NULL, NULL,
 645             _ibus_marshal_VOID__VOID,
 646             G_TYPE_NONE, 0);
 647
 648     /**
 649      * IBusPanelService::state-changed:
 650      *
 651      * Emitted when the client application get the state-changed.
 652      * Implement the member function state_changed() in extended class to receive this signal.
 653      *
 654      * <note><para>Argument @user_data is ignored in this function.</para></note>
 655      */
 656     panel_signals[STATE_CHANGED] =
 657         g_signal_new (I_("state-changed"),
 658             G_TYPE_FROM_CLASS (gobject_class),
 659             G_SIGNAL_RUN_LAST,
 660             G_STRUCT_OFFSET (IBusPanelServiceClass, state_changed),
 661             NULL, NULL,
 662             _ibus_marshal_VOID__VOID,
 663             G_TYPE_NONE, 0);
 664 }
 665
 666 static void
 667 ibus_panel_service_init (IBusPanelService *panel)
 668 {
 669 }
 670
 671 static void
 672 ibus_panel_service_set_property (IBusPanelService *panel,
 673                                  guint             prop_id,
 674                                  const GValue     *value,
 675                                  GParamSpec       *pspec)
 676 {
 677     switch (prop_id) {
 678     default:
 679         G_OBJECT_WARN_INVALID_PROPERTY_ID (panel, prop_id, pspec);
 680     }
 681 }
 682
 683 static void
 684 ibus_panel_service_get_property (IBusPanelService *panel,
 685                                  guint             prop_id,
 686                                  GValue           *value,
 687                                  GParamSpec       *pspec)
 688 {
 689     switch (prop_id) {
 690     default:
 691         G_OBJECT_WARN_INVALID_PROPERTY_ID (panel, prop_id, pspec);
 692     }
 693 }
 694
 695 static void
 696 ibus_panel_service_real_destroy (IBusPanelService *panel)
 697 {
 698     IBUS_OBJECT_CLASS(ibus_panel_service_parent_class)->destroy (IBUS_OBJECT (panel));
 699 }
 700
 701
 702 static void
 703 _g_object_unref_if_floating (gpointer instance)
 704 {
 705     if (g_object_is_floating (instance))
 706         g_object_unref (instance);
 707 }
 708
 709 static void
 710 ibus_panel_service_service_method_call (IBusService           *service,
 711                                         GDBusConnection       *connection,
 712                                         const gchar           *sender,
 713                                         const gchar           *object_path,
 714                                         const gchar           *interface_name,
 715                                         const gchar           *method_name,
 716                                         GVariant              *parameters,
 717                                         GDBusMethodInvocation *invocation)
 718 {
 719     IBusPanelService *panel = IBUS_PANEL_SERVICE (service);
 720
 721     if (g_strcmp0 (interface_name, IBUS_INTERFACE_PANEL) != 0) {
 722         IBUS_SERVICE_CLASS (ibus_panel_service_parent_class)->
 723                 service_method_call (service,
 724                                      connection,
 725                                      sender,
 726                                      object_path,
 727                                      interface_name,
 728                                      method_name,
 729                                      parameters,
 730                                      invocation);
 731         return;
 732     }
 733
 734     if (g_strcmp0 (method_name, "UpdatePreeditText") == 0) {
 735         GVariant *variant = NULL;
 736         guint cursor = 0;
 737         gboolean visible = FALSE;
 738
 739         g_variant_get (parameters, "(vub)", &variant, &cursor, &visible);
 740         IBusText *text = IBUS_TEXT (ibus_serializable_deserialize (variant));
 741         g_variant_unref (variant);
 742
 743         g_signal_emit (panel, panel_signals[UPDATE_PREEDIT_TEXT], 0, text, cursor, visible);
 744         _g_object_unref_if_floating (text);
 745         g_dbus_method_invocation_return_value (invocation, NULL);
 746         return;
 747     }
 748
 749     if (g_strcmp0 (method_name, "UpdateAuxiliaryText") == 0) {
 750         GVariant *variant = NULL;
 751         gboolean visible = FALSE;
 752
 753         g_variant_get (parameters, "(vb)", &variant, &visible);
 754         IBusText *text = IBUS_TEXT (ibus_serializable_deserialize (variant));
 755         g_variant_unref (variant);
 756
 757         g_signal_emit (panel, panel_signals[UPDATE_AUXILIARY_TEXT], 0, text, visible);
 758         _g_object_unref_if_floating (text);
 759         g_dbus_method_invocation_return_value (invocation, NULL);
 760         return;
 761     }
 762
 763     if (g_strcmp0 (method_name, "UpdateLookupTable") == 0) {
 764         GVariant *variant = NULL;
 765         gboolean visible = FALSE;
 766
 767         g_variant_get (parameters, "(vb)", &variant, &visible);
 768         IBusLookupTable *table = IBUS_LOOKUP_TABLE (ibus_serializable_deserialize (variant));
 769         g_variant_unref (variant);
 770
 771         g_signal_emit (panel, panel_signals[UPDATE_LOOKUP_TABLE], 0, table, visible);
 772         _g_object_unref_if_floating (table);
 773         g_dbus_method_invocation_return_value (invocation, NULL);
 774         return;
 775     }
 776
 777     if (g_strcmp0 (method_name, "FocusIn") == 0) {
 778         const gchar *path;
 779         g_variant_get (parameters, "(&o)", &path);
 780         g_signal_emit (panel, panel_signals[FOCUS_IN], 0, path);
 781         g_dbus_method_invocation_return_value (invocation, NULL);
 782         return;
 783     }
 784
 785     if (g_strcmp0 (method_name, "FocusOut") == 0) {
 786         const gchar *path;
 787         g_variant_get (parameters, "(&o)", &path);
 788         g_signal_emit (panel, panel_signals[FOCUS_OUT], 0, path);
 789         g_dbus_method_invocation_return_value (invocation, NULL);
 790         return;
 791     }
 792
 793     if (g_strcmp0 (method_name, "RegisterProperties") == 0) {
 794         GVariant *variant = g_variant_get_child_value (parameters, 0);
 795         IBusPropList *prop_list = IBUS_PROP_LIST (ibus_serializable_deserialize (variant));
 796         g_variant_unref (variant);
 797
 798         g_signal_emit (panel, panel_signals[REGISTER_PROPERTIES], 0, prop_list);
 799         _g_object_unref_if_floating (prop_list);
 800         g_dbus_method_invocation_return_value (invocation, NULL);
 801         return;
 802     }
 803
 804     if (g_strcmp0 (method_name, "UpdateProperty") == 0) {
 805         GVariant *variant = g_variant_get_child_value (parameters, 0);
 806         IBusProperty *property = IBUS_PROPERTY (ibus_serializable_deserialize (variant));
 807         g_variant_unref (variant);
 808
 809         g_signal_emit (panel, panel_signals[UPDATE_PROPERTY], 0, property);
 810         _g_object_unref_if_floating (property);
 811         g_dbus_method_invocation_return_value (invocation, NULL);
 812         return;
 813     }
 814
 815     if (g_strcmp0 (method_name, "SetCursorLocation") == 0) {
 816         gint x, y, w, h;
 817         g_variant_get (parameters, "(iiii)", &x, &y, &w, &h);
 818         g_signal_emit (panel, panel_signals[SET_CURSOR_LOCATION], 0, x, y, w, h);
 819         g_dbus_method_invocation_return_value (invocation, NULL);
 820         return;
 821     }
 822
 823     const static struct {
 824         const gchar *name;
 825         const gint signal_id;
 826     } no_arg_methods [] = {
 827         { "CursorUpLookupTable",   CURSOR_UP_LOOKUP_TABLE },
 828         { "CursorDownLookupTable", CURSOR_DOWN_LOOKUP_TABLE },
 829         { "HideAuxiliaryText",     HIDE_AUXILIARY_TEXT },
 830         { "HideLanguageBar",       HIDE_LANGUAGE_BAR },
 831         { "HideLookupTable",       HIDE_LOOKUP_TABLE },
 832         { "HidePreeditText",       HIDE_PREEDIT_TEXT },
 833         { "PageUpLookupTable",     PAGE_UP_LOOKUP_TABLE },
 834         { "PageDownLookupTable",   PAGE_DOWN_LOOKUP_TABLE },
 835         { "Reset",                 RESET },
 836         { "ShowAuxiliaryText",     SHOW_AUXILIARY_TEXT },
 837         { "ShowLanguageBar",       SHOW_LANGUAGE_BAR },
 838         { "ShowLookupTable",       SHOW_LOOKUP_TABLE },
 839         { "ShowPreeditText",       SHOW_PREEDIT_TEXT },
 840         { "StartSetup",            START_SETUP },
 841         { "StateChanged",          STATE_CHANGED },
 842     };
 843
 844     gint i;
 845     for (i = 0; i < G_N_ELEMENTS (no_arg_methods); i++) {
 846         if (g_strcmp0 (method_name, no_arg_methods[i].name) == 0) {
 847             if (no_arg_methods[i].signal_id >= 0) {
 848                 g_signal_emit (panel, panel_signals[no_arg_methods[i].signal_id], 0);
 849             }
 850             g_dbus_method_invocation_return_value (invocation, NULL);
 851             return;
 852         }
 853     }
 854
 855     /* should not be reached */
 856     g_return_if_reached ();
 857 }
 858
 859 static GVariant *
 860 ibus_panel_service_service_get_property (IBusService        *service,
 861                                          GDBusConnection    *connection,
 862                                          const gchar        *sender,
 863                                          const gchar        *object_path,
 864                                          const gchar        *interface_name,
 865                                          const gchar        *property_name,
 866                                          GError            **error)
 867 {
 868     return IBUS_SERVICE_CLASS (ibus_panel_service_parent_class)->
 869                 service_get_property (service,
 870                                       connection,
 871                                       sender,
 872                                       object_path,
 873                                       interface_name,
 874                                       property_name,
 875                                       error);
 876 }
 877
 878 static gboolean
 879 ibus_panel_service_service_set_property (IBusService        *service,
 880                                          GDBusConnection    *connection,
 881                                          const gchar        *sender,
 882                                          const gchar        *object_path,
 883                                          const gchar        *interface_name,
 884                                          const gchar        *property_name,
 885                                          GVariant           *value,
 886                                          GError            **error)
 887 {
 888     return IBUS_SERVICE_CLASS (ibus_panel_service_parent_class)->
 889                 service_set_property (service,
 890                                       connection,
 891                                       sender,
 892                                       object_path,
 893                                       interface_name,
 894                                       property_name,
 895                                       value,
 896                                       error);
 897 }
 898
 899
 900 static void
 901 ibus_panel_service_not_implemented (IBusPanelService *panel)
 902 {
 903     /* g_debug ("not implemented"); */
 904 }
 905
 906 static void
 907 ibus_panel_service_focus_in (IBusPanelService    *panel,
 908                              const gchar         *input_context_path)
 909 {
 910     ibus_panel_service_not_implemented(panel);
 911 }
 912
 913 static void
 914 ibus_panel_service_focus_out (IBusPanelService    *panel,
 915                               const gchar         *input_context_path)
 916 {
 917     ibus_panel_service_not_implemented(panel);
 918 }
 919
 920 static void
 921 ibus_panel_service_register_properties (IBusPanelService *panel,
 922                                         IBusPropList     *prop_list)
 923 {
 924     ibus_panel_service_not_implemented(panel);
 925 }
 926
 927 static void
 928 ibus_panel_service_set_cursor_location (IBusPanelService *panel,
 929                                         gint              x,
 930                                         gint              y,
 931                                         gint              w,
 932                                         gint              h)
 933 {
 934     ibus_panel_service_not_implemented(panel);
 935 }
 936
 937 static void
 938 ibus_panel_service_update_auxiliary_text (IBusPanelService *panel,
 939                                           IBusText         *text,
 940                                           gboolean          visible)
 941 {
 942     ibus_panel_service_not_implemented(panel);
 943 }
 944
 945 static void
 946 ibus_panel_service_update_lookup_table (IBusPanelService *panel,
 947                                         IBusLookupTable  *lookup_table,
 948                                         gboolean          visible)
 949 {
 950     ibus_panel_service_not_implemented(panel);
 951 }
 952
 953 static void
 954 ibus_panel_service_update_preedit_text (IBusPanelService *panel,
 955                                         IBusText         *text,
 956                                         guint             cursor_pos,
 957                                         gboolean          visible)
 958 {
 959     ibus_panel_service_not_implemented(panel);
 960 }
 961
 962 static void
 963 ibus_panel_service_update_property (IBusPanelService *panel,
 964                                     IBusProperty     *prop)
 965 {
 966     ibus_panel_service_not_implemented(panel);
 967 }
 968
 969 IBusPanelService *
 970 ibus_panel_service_new (GDBusConnection *connection)
 971 {
 972     g_return_val_if_fail (G_IS_DBUS_CONNECTION (connection), NULL);
 973
 974     GObject *object = g_object_new (IBUS_TYPE_PANEL_SERVICE,
 975                                     "object-path", IBUS_PATH_PANEL,
 976                                     "connection", connection,
 977                                     NULL);
 978
 979     return IBUS_PANEL_SERVICE (object);
 980 }
 981
 982 void
 983 ibus_panel_service_candidate_clicked (IBusPanelService *panel,
 984                                       guint             index,
 985                                       guint             button,
 986                                       guint             state)
 987 {
 988     g_return_if_fail (IBUS_IS_PANEL_SERVICE (panel));
 989     ibus_service_emit_signal ((IBusService *) panel,
 990                               NULL,
 991                               IBUS_INTERFACE_PANEL,
 992                               "CandidateClicked",
 993                               g_variant_new ("(uuu)", index, button, state),
 994                               NULL);
 995 }
 996
 997 void
 998 ibus_panel_service_property_activate (IBusPanelService *panel,
 999                                       const gchar      *prop_name,
1000                                       guint             prop_state)
1001 {
1002     g_return_if_fail (IBUS_IS_PANEL_SERVICE (panel));
1003     ibus_service_emit_signal ((IBusService *) panel,
1004                               NULL,
1005                               IBUS_INTERFACE_PANEL,
1006                               "PropertyActivate",
1007                               g_variant_new ("(su)", prop_name, prop_state),
1008                               NULL);
1009 }
1010
1011 void
1012 ibus_panel_service_property_show (IBusPanelService *panel,
1013                                   const gchar      *prop_name)
1014 {
1015     g_return_if_fail (IBUS_IS_PANEL_SERVICE (panel));
1016     ibus_service_emit_signal ((IBusService *) panel,
1017                               NULL,
1018                               IBUS_INTERFACE_PANEL,
1019                               "PropertyShow",
1020                               g_variant_new ("(s)", prop_name),
1021                               NULL);
1022 }
1023
1024 void
1025 ibus_panel_service_property_hide (IBusPanelService *panel,
1026                                   const gchar      *prop_name)
1027 {
1028     g_return_if_fail (IBUS_IS_PANEL_SERVICE (panel));
1029     ibus_service_emit_signal ((IBusService *) panel,
1030                               NULL,
1031                               IBUS_INTERFACE_PANEL,
1032                               "PropertyHide",
1033                               g_variant_new ("(s)", prop_name),
1034                               NULL);
1035 }
1036
1037 #define DEFINE_FUNC(name, Name)                             \
1038     void                                                    \
1039     ibus_panel_service_##name (IBusPanelService *panel)     \
1040     {                                                       \
1041         g_return_if_fail (IBUS_IS_PANEL_SERVICE (panel));   \
1042         ibus_service_emit_signal ((IBusService *) panel,    \
1043                                   NULL,                     \
1044                                   IBUS_INTERFACE_PANEL,     \
1045                                   #Name,                    \
1046                                   NULL,                     \
1047                                   NULL);                    \
1048     }
1049 DEFINE_FUNC (cursor_down, CursorDown)
1050 DEFINE_FUNC (cursor_up, CursorUp)
1051 DEFINE_FUNC (page_down, PageDown)
1052 DEFINE_FUNC (page_up, PageUp)
1053 #undef DEFINE_FUNC
1054