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[gtk+] broadway: Support ipad on-screen keyboard

commit 4226f97d540ecd8cb5995184bfba7a1102560740
Author: Alexander Larsson <alexl redhat com>
Date:   Wed Nov 13 12:20:07 2013 +0100

    broadway: Support ipad on-screen keyboard
    
    We add a custom im module for broadway that calls some broadway
    specific APIs to show/hide the keyboard on focus in/out. We then forward this
    to the browser, and on the ipad we focus an input field to activate
    the keyboard.

 configure.ac                       |    2 +
 gdk/broadway/broadway-output.c     |    7 ++
 gdk/broadway/broadway-output.h     |    2 +
 gdk/broadway/broadway-protocol.h   |   10 ++-
 gdk/broadway/broadway-server.c     |   17 ++++
 gdk/broadway/broadway.js           |   32 +++++++
 gdk/broadway/broadwayd.c           |    3 +
 gdk/broadway/gdkbroadway-server.c  |   13 +++
 gdk/broadway/gdkbroadway-server.h  |    2 +
 gdk/broadway/gdkbroadwaydisplay.h  |    5 +
 gdk/broadway/gdkdisplay-broadway.c |   16 ++++
 gtk/gtkimmodule.c                  |   12 +++
 gtk/gtksettings.c                  |   25 +++++-
 modules/input/Makefile.am          |   15 ++++
 modules/input/imbroadway.c         |  163 ++++++++++++++++++++++++++++++++++++
 15 files changed, 318 insertions(+), 6 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index fa644c2..f24cf3d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -386,6 +386,7 @@ AC_SUBST(DISABLE_ON_QUARTZ)
 if test "x$enable_broadway_backend" = xyes; then
   GDK_BACKENDS="$GDK_BACKENDS broadway"
   cairo_backends="$cairo_backends cairo"
+  backend_immodules="$backend_immodules,broadway"
   if test "$host_os" != "mingw*|windows*|winnt"; then
     have_gio_unix=yes
   fi
@@ -888,6 +889,7 @@ AM_CONDITIONAL(INCLUDE_IM_INUKTITUT, [test x"$INCLUDE_inuktitut" = xyes])
 AM_CONDITIONAL(INCLUDE_IM_IPA, [test x"$INCLUDE_ipa" = xyes])
 AM_CONDITIONAL(INCLUDE_IM_MULTIPRESS, [test x"$INCLUDE_multipress" = xyes])
 AM_CONDITIONAL(INCLUDE_IM_QUARTZ, [test x"$INCLUDE_quartz" = xyes])
+AM_CONDITIONAL(INCLUDE_IM_BROADWAY, [test x"$INCLUDE_broadway" = xyes])
 AM_CONDITIONAL(INCLUDE_IM_THAI, [test x"$INCLUDE_thai" = xyes])
 AM_CONDITIONAL(INCLUDE_IM_TI_ER, [test x"$INCLUDE_ti_er" = xyes])
 AM_CONDITIONAL(INCLUDE_IM_TI_ET, [test x"$INCLUDE_ti_et" = xyes])
diff --git a/gdk/broadway/broadway-output.c b/gdk/broadway/broadway-output.c
index 42ad59f..631c542 100644
--- a/gdk/broadway/broadway-output.c
+++ b/gdk/broadway/broadway-output.c
@@ -237,6 +237,13 @@ broadway_output_destroy_surface(BroadwayOutput *output,  int id)
   append_uint16 (output, id);
 }
 
+void
+broadway_output_set_show_keyboard (BroadwayOutput *output,
+                                   gboolean show)
+{
+  write_header (output, BROADWAY_OP_SET_SHOW_KEYBOARD);
+  append_uint16 (output, show);
+}
 
 void
 broadway_output_move_resize_surface (BroadwayOutput *output,
diff --git a/gdk/broadway/broadway-output.h b/gdk/broadway/broadway-output.h
index 6d6bb61..0ccda24 100644
--- a/gdk/broadway/broadway-output.h
+++ b/gdk/broadway/broadway-output.h
@@ -63,5 +63,7 @@ void            broadway_output_grab_pointer    (BroadwayOutput *output,
                                                 gboolean owner_event);
 guint32         broadway_output_ungrab_pointer  (BroadwayOutput *output);
 void            broadway_output_pong            (BroadwayOutput *output);
+void            broadway_output_set_show_keyboard (BroadwayOutput *output,
+                                                   gboolean show);
 
 #endif /* __BROADWAY_H__ */
diff --git a/gdk/broadway/broadway-protocol.h b/gdk/broadway/broadway-protocol.h
index 8447bd5..db0c4f1 100644
--- a/gdk/broadway/broadway-protocol.h
+++ b/gdk/broadway/broadway-protocol.h
@@ -42,6 +42,7 @@ typedef enum {
   BROADWAY_OP_AUTH_OK = 'L',
   BROADWAY_OP_DISCONNECTED = 'D',
   BROADWAY_OP_PUT_BUFFER = 'b',
+  BROADWAY_OP_SET_SHOW_KEYBOARD = 'k',
 } BroadwayOpType;
 
 typedef struct {
@@ -154,7 +155,8 @@ typedef enum {
   BROADWAY_REQUEST_MOVE_RESIZE,
   BROADWAY_REQUEST_GRAB_POINTER,
   BROADWAY_REQUEST_UNGRAB_POINTER,
-  BROADWAY_REQUEST_FOCUS_WINDOW
+  BROADWAY_REQUEST_FOCUS_WINDOW,
+  BROADWAY_REQUEST_SET_SHOW_KEYBOARD
 } BroadwayRequestType;
 
 typedef struct {
@@ -223,6 +225,11 @@ typedef struct {
   guint32 height;
 } BroadwayRequestMoveResize;
 
+typedef struct {
+  BroadwayRequestBase base;
+  guint32 show_keyboard;
+} BroadwayRequestSetShowKeyboard;
+
 typedef union {
   BroadwayRequestBase base;
   BroadwayRequestNewWindow new_window;
@@ -239,6 +246,7 @@ typedef union {
   BroadwayRequestUngrabPointer ungrab_pointer;
   BroadwayRequestTranslate translate;
   BroadwayRequestFocusWindow focus_window;
+  BroadwayRequestSetShowKeyboard set_show_keyboard;
 } BroadwayRequest;
 
 typedef enum {
diff --git a/gdk/broadway/broadway-server.c b/gdk/broadway/broadway-server.c
index 6aedd37..3b3baa8 100644
--- a/gdk/broadway/broadway-server.c
+++ b/gdk/broadway/broadway-server.c
@@ -55,6 +55,7 @@ struct _BroadwayServer {
   GList *toplevels;
   BroadwayWindow *root;
   gint32 focused_window_id; /* -1 => none */
+  gint show_keyboard;
 
   guint32 screen_width;
   guint32 screen_height;
@@ -1413,6 +1414,19 @@ broadway_server_window_raise (BroadwayServer *server,
 }
 
 void
+broadway_server_set_show_keyboard (BroadwayServer *server,
+                                   gboolean show)
+{
+  server->show_keyboard = show;
+
+  if (server->output)
+    {
+      broadway_output_set_show_keyboard (server->output, server->show_keyboard);
+      broadway_server_flush (server);
+   }
+}
+
+void
 broadway_server_window_lower (BroadwayServer *server,
                               gint id)
 {
@@ -1783,5 +1797,8 @@ broadway_server_resync_windows (BroadwayServer *server)
        }
     }
 
+  if (server->show_keyboard)
+    broadway_output_set_show_keyboard (server->output, TRUE);
+
   broadway_server_flush (server);
 }
diff --git a/gdk/broadway/broadway.js b/gdk/broadway/broadway.js
index ed0a9e0..f8a9440 100644
--- a/gdk/broadway/broadway.js
+++ b/gdk/broadway/broadway.js
@@ -103,6 +103,9 @@ var stackingOrder = [];
 var outstandingCommands = new Array();
 var inputSocket = null;
 var debugDecoding = false;
+var fakeInput = null;
+var showKeyboard = false;
+var showKeyboardChanged = false;
 
 var GDK_CROSSING_NORMAL = 0;
 var GDK_CROSSING_GRAB = 1;
@@ -630,6 +633,12 @@ function handleCommands(cmd)
        case 'u': // Ungrab
            cmdUngrabPointer();
            break;
+
+        case 'k': // show keyboard
+            showKeyboard = cmd.get_16() != 0;
+            showKeyboardChanged = true;
+            break;
+
        default:
            alert("Unknown op " + command);
        }
@@ -763,6 +772,16 @@ function getEffectiveEventTarget (id) {
     return id;
 }
 
+function updateKeyboardStatus() {
+    if (fakeInput != null && showKeyboardChanged) {
+        showKeyboardChanged = false;
+        if (showKeyboard)
+            fakeInput.focus();
+        else
+            fakeInput.blur();
+    }
+}
+
 function updateForEvent(ev) {
     lastState &= ~(GDK_SHIFT_MASK|GDK_CONTROL_MASK|GDK_MOD1_MASK);
     if (ev.shiftKey)
@@ -2463,6 +2482,7 @@ function onMouseWheel(ev)
 function onTouchStart(ev) {
     event.preventDefault();
 
+    updateKeyboardStatus();
     updateForEvent(ev);
 
     for (var i = 0; i < ev.changedTouches.length; i++) {
@@ -2478,6 +2498,7 @@ function onTouchStart(ev) {
 function onTouchMove(ev) {
     event.preventDefault();
 
+    updateKeyboardStatus();
     updateForEvent(ev);
 
     for (var i = 0; i < ev.changedTouches.length; i++) {
@@ -2493,6 +2514,7 @@ function onTouchMove(ev) {
 function onTouchEnd(ev) {
     event.preventDefault();
 
+    updateKeyboardStatus();
     updateForEvent(ev);
 
     for (var i = 0; i < ev.changedTouches.length; i++) {
@@ -2574,4 +2596,14 @@ function connect()
     ws.onmessage = function(event) {
        handleMessage(event.data);
     };
+
+    var iOS = /(iPad|iPhone|iPod)/g.test( navigator.userAgent );
+    if (iOS) {
+        fakeInput = document.createElement("input");
+        fakeInput.type = "text";
+        fakeInput.style.position = "absolute";
+        fakeInput.style.left = "-1000px";
+        fakeInput.style.top = "-1000px";
+        document.body.appendChild(fakeInput);
+    }
 }
diff --git a/gdk/broadway/broadwayd.c b/gdk/broadway/broadwayd.c
index a4bed34..84f95ee 100644
--- a/gdk/broadway/broadwayd.c
+++ b/gdk/broadway/broadwayd.c
@@ -297,6 +297,9 @@ client_handle_request (BroadwayClient *client,
     case BROADWAY_REQUEST_FOCUS_WINDOW:
       broadway_server_focus_window (server, request->focus_window.id);
       break;
+    case BROADWAY_REQUEST_SET_SHOW_KEYBOARD:
+      broadway_server_set_show_keyboard (server, request->set_show_keyboard.show_keyboard);
+      break;
     default:
       g_warning ("Unknown request of type %d\n", request->base.type);
     }
diff --git a/gdk/broadway/gdkbroadway-server.c b/gdk/broadway/gdkbroadway-server.c
index d85cfa5..6389c7f 100644
--- a/gdk/broadway/gdkbroadway-server.c
+++ b/gdk/broadway/gdkbroadway-server.c
@@ -794,3 +794,16 @@ _gdk_broadway_server_ungrab_pointer (GdkBroadwayServer *server,
 
   return status;
 }
+
+void
+_gdk_broadway_server_set_show_keyboard (GdkBroadwayServer *server,
+                                        gboolean show)
+{
+  BroadwayRequestSetShowKeyboard msg;
+
+  msg.show_keyboard = show;
+  gdk_broadway_server_send_message (server, msg,
+                                   BROADWAY_REQUEST_SET_SHOW_KEYBOARD);
+
+  return TRUE;
+}
diff --git a/gdk/broadway/gdkbroadway-server.h b/gdk/broadway/gdkbroadway-server.h
index 0ddf39e..89a3076 100644
--- a/gdk/broadway/gdkbroadway-server.h
+++ b/gdk/broadway/gdkbroadway-server.h
@@ -52,6 +52,8 @@ void               _gdk_broadway_server_window_focus             (GdkBroadwaySer
 void               _gdk_broadway_server_window_set_transient_for (GdkBroadwayServer  *server,
                                                                  gint                id,
                                                                  gint                parent);
+void               _gdk_broadway_server_set_show_keyboard        (GdkBroadwayServer  *server,
+                                                                 gboolean            show_keyboard);
 gboolean           _gdk_broadway_server_window_translate         (GdkBroadwayServer  *server,
                                                                  gint                id,
                                                                  cairo_region_t     *area,
diff --git a/gdk/broadway/gdkbroadwaydisplay.h b/gdk/broadway/gdkbroadwaydisplay.h
index 805e1de..6648a55 100644
--- a/gdk/broadway/gdkbroadwaydisplay.h
+++ b/gdk/broadway/gdkbroadwaydisplay.h
@@ -43,6 +43,11 @@ typedef struct _GdkBroadwayDisplayClass GdkBroadwayDisplayClass;
 GDK_AVAILABLE_IN_ALL
 GType                   gdk_broadway_display_get_type            (void);
 
+GDK_AVAILABLE_IN_3_12
+void                    gdk_broadway_display_show_keyboard       (GdkBroadwayDisplay *display);
+GDK_AVAILABLE_IN_3_12
+void                    gdk_broadway_display_hide_keyboard       (GdkBroadwayDisplay *display);
+
 G_END_DECLS
 
 #endif /* __GDK_BROADWAY_DISPLAY_H__ */
diff --git a/gdk/broadway/gdkdisplay-broadway.c b/gdk/broadway/gdkdisplay-broadway.c
index 94a324e..c4f1d31 100644
--- a/gdk/broadway/gdkdisplay-broadway.c
+++ b/gdk/broadway/gdkdisplay-broadway.c
@@ -346,6 +346,22 @@ gdk_broadway_display_event_data_free (GdkDisplay    *display,
 {
 }
 
+void
+gdk_broadway_display_show_keyboard (GdkBroadwayDisplay *display)
+{
+  g_return_if_fail (GDK_IS_BROADWAY_DISPLAY (display));
+
+  _gdk_broadway_server_set_show_keyboard (display->server, TRUE);
+}
+
+void
+gdk_broadway_display_hide_keyboard (GdkBroadwayDisplay *display)
+{
+  g_return_if_fail (GDK_IS_BROADWAY_DISPLAY (display));
+
+  _gdk_broadway_server_set_show_keyboard (display->server, FALSE);
+}
+
 static void
 gdk_broadway_display_class_init (GdkBroadwayDisplayClass * class)
 {
diff --git a/gtk/gtkimmodule.c b/gtk/gtkimmodule.c
index 1660ba3..ab3442d 100644
--- a/gtk/gtkimmodule.c
+++ b/gtk/gtkimmodule.c
@@ -45,6 +45,10 @@
 #include "wayland/gdkwayland.h"
 #endif
 
+#ifdef GDK_WINDOWING_BROADWAY
+#include "broadway/gdkbroadway.h"
+#endif
+
 #ifdef GDK_WINDOWING_WIN32
 #include "win32/gdkwin32.h"
 #endif
@@ -381,6 +385,9 @@ gtk_im_module_initialize (void)
 #ifdef INCLUDE_IM_xim
   do_builtin (xim);
 #endif
+#ifdef INCLUDE_IM_broadway
+  do_builtin (broadway);
+#endif
 
 #undef do_builtin
 
@@ -662,6 +669,11 @@ match_backend (GtkIMContextInfo *context)
     return GDK_IS_WAYLAND_DISPLAY (gdk_display_get_default ());
 #endif
 
+#ifdef GDK_WINDOWING_BROADWAY
+  if (g_strcmp0 (context->context_id, "broadway") == 0)
+    return GDK_IS_BROADWAY_DISPLAY (gdk_display_get_default ());
+#endif
+
 #ifdef GDK_WINDOWING_X11
   if (g_strcmp0 (context->context_id, "xim") == 0)
     return GDK_IS_X11_DISPLAY (gdk_display_get_default ());
diff --git a/gtk/gtksettings.c b/gtk/gtksettings.c
index e61a4b7..329624b 100644
--- a/gtk/gtksettings.c
+++ b/gtk/gtksettings.c
@@ -44,6 +44,10 @@
 #include "wayland/gdkwayland.h"
 #endif
 
+#ifdef GDK_WINDOWING_BROADWAY
+#include "broadway/gdkbroadway.h"
+#endif
+
 #ifdef GDK_WINDOWING_QUARTZ
 #include "quartz/gdkquartz.h"
 #endif
@@ -1670,11 +1674,22 @@ gtk_settings_get_for_screen (GdkScreen *screen)
     {
 #ifdef GDK_WINDOWING_QUARTZ
       if (GDK_IS_QUARTZ_SCREEN (screen))
-        settings = g_object_new (GTK_TYPE_SETTINGS,
-                                 "gtk-key-theme-name", "Mac",
-                                 "gtk-shell-shows-app-menu", TRUE,
-                                 "gtk-shell-shows-menubar", TRUE,
-                                 NULL);
+        {
+          settings = g_object_new (GTK_TYPE_SETTINGS,
+                                   "gtk-key-theme-name", "Mac",
+                                   "gtk-shell-shows-app-menu", TRUE,
+                                   "gtk-shell-shows-menubar", TRUE,
+                                   NULL);
+        }
+      else
+#endif
+#ifdef GDK_WINDOWING_BROADWAY
+      if (GDK_IS_BROADWAY_DISPLAY (gdk_screen_get_display (screen)))
+        {
+          settings = g_object_new (GTK_TYPE_SETTINGS,
+                                   "gtk-im-module", "broadway",
+                                   NULL);
+        }
       else
 #endif
         settings = g_object_new (GTK_TYPE_SETTINGS, NULL);
diff --git a/modules/input/Makefile.am b/modules/input/Makefile.am
index 3ad28d1..44df55f 100644
--- a/modules/input/Makefile.am
+++ b/modules/input/Makefile.am
@@ -164,6 +164,19 @@ QUARTZ_MODULE = im-quartz.la
 endif
 endif
 
+im_broadway_la_CPPFLAGS = $(AM_CPPFLAGS)
+im_broadway_la_LDFLAGS = -rpath $(moduledir) -avoid-version -module $(no_undefined)
+im_broadway_la_SOURCES = imbroadway.c
+libstatic_im_broadway_la_SOURCES = $(im_broadway_la_SOURCES)
+im_broadway_la_LIBADD = $(LDADDS)
+if INCLUDE_IM_BROADWAY
+STATIC_BROADWAY_MODULE = libstatic-im-broadway.la
+else
+if USE_BROADWAY
+BROADWAY_MODULE = im-broadway.la
+endif
+endif
+
 multipress_defs = -DMULTIPRESS_LOCALEDIR=\""$(mplocaledir)"\" 
-DMULTIPRESS_CONFDIR=\""$(sysconfdir)/gtk-2.0"\"
 im_multipress_la_CPPFLAGS = $(AM_CPPFLAGS) $(multipress_defs)
 libstatic_im_multipress_la_CPPFLAGS = $(im_multipress_la_CPPFLAGS)
@@ -224,6 +237,7 @@ module_LTLIBRARIES =                        \
        $(IPA_MODULE)                   \
        $(MULTIPRESS_MODULE)            \
        $(QUARTZ_MODULE)                \
+       $(BROADWAY_MODULE)              \
        $(THAI_MODULE)                  \
        $(TI_ER_MODULE)                 \
        $(TI_ET_MODULE)                 \
@@ -241,6 +255,7 @@ noinst_LTLIBRARIES =                                \
        $(STATIC_IPA_MODULE)                    \
        $(STATIC_MULTIPRESS_MODULE)             \
        $(STATIC_QUARTZ_MODULE)                 \
+       $(STATIC_BROADWAY_MODULE)               \
        $(STATIC_THAI_MODULE)                   \
        $(STATIC_TI_ER_MODULE)                  \
        $(STATIC_TI_ET_MODULE)                  \
diff --git a/modules/input/imbroadway.c b/modules/input/imbroadway.c
new file mode 100644
index 0000000..4e9c130
--- /dev/null
+++ b/modules/input/imbroadway.c
@@ -0,0 +1,163 @@
+/*
+ * gtkimmodulebroadway
+ * Copyright (C) 2013 Alexander Larsson
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * $Id:$
+ */
+
+#include "config.h"
+#include <string.h>
+
+#include <gtk/gtk.h>
+#include "gtk/gtkintl.h"
+#include "gtk/gtkimmodule.h"
+
+#include "gdk/broadway/gdkbroadway.h"
+
+#define GTK_IM_CONTEXT_TYPE_BROADWAY (type_broadway)
+#define GTK_IM_CONTEXT_BROADWAY(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_IM_CONTEXT_TYPE_BROADWAY, 
GtkIMContextBroadway))
+#define GTK_IM_CONTEXT_BROADWAY_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj), 
GTK_IM_CONTEXT_TYPE_BROADWAY, GtkIMContextBroadwayClass))
+
+typedef struct _GtkIMContextBroadway
+{
+  GtkIMContextSimple parent;
+  GdkWindow *client_window;
+} GtkIMContextBroadway;
+
+typedef struct _GtkIMContextBroadwayClass
+{
+  GtkIMContextSimpleClass parent_class;
+} GtkIMContextBroadwayClass;
+
+GType type_broadway = 0;
+static GObjectClass *parent_class;
+
+static const GtkIMContextInfo imbroadway_info =
+{
+  "broadway",      /* ID */
+  "Broadway",      /* Human readable name */
+  GETTEXT_PACKAGE, /* Translation domain */
+  GTK_LOCALEDIR,   /* Dir for bindtextdomain (not strictly needed for "gtk+") */
+  "",              /* Languages for which this module is the default */
+};
+
+static const GtkIMContextInfo *info_list[] =
+{
+  &imbroadway_info,
+};
+
+#ifndef INCLUDE_IM_broadway
+#define MODULE_ENTRY(type,function) G_MODULE_EXPORT type im_module_ ## function
+#else
+#define MODULE_ENTRY(type, function) type _gtk_immodule_broadway_ ## function
+#endif
+
+static void
+broadway_set_client_window (GtkIMContext *context, GdkWindow *window)
+{
+  GtkIMContextBroadway *bw = GTK_IM_CONTEXT_BROADWAY (context);
+
+  bw->client_window = window;
+}
+
+static void
+broadway_focus_in (GtkIMContext *context)
+{
+  GtkIMContextBroadway *bw = GTK_IM_CONTEXT_BROADWAY (context);
+  GdkDisplay *display;
+
+  if (bw->client_window)
+    {
+      display = gdk_window_get_display (bw->client_window);
+      gdk_broadway_display_show_keyboard (GDK_BROADWAY_DISPLAY (display));
+    }
+}
+
+static void
+broadway_focus_out (GtkIMContext *context)
+{
+  GtkIMContextBroadway *bw = GTK_IM_CONTEXT_BROADWAY (context);
+  GdkDisplay *display;
+
+  if (bw->client_window)
+    {
+      display = gdk_window_get_display (bw->client_window);
+      gdk_broadway_display_hide_keyboard (GDK_BROADWAY_DISPLAY (display));
+    }
+}
+
+static void
+gtk_im_context_broadway_class_init (GtkIMContextClass *klass)
+{
+  parent_class = g_type_class_peek_parent (klass);
+
+  klass->focus_in = broadway_focus_in;
+  klass->focus_out = broadway_focus_out;
+  klass->set_client_window = broadway_set_client_window;
+}
+
+static void
+gtk_im_context_broadway_init (GtkIMContext *im_context)
+{
+}
+
+static void
+gtk_im_context_broadway_register_type (GTypeModule *module)
+{
+  const GTypeInfo object_info =
+  {
+    sizeof (GtkIMContextBroadwayClass),
+    (GBaseInitFunc) NULL,
+    (GBaseFinalizeFunc) NULL,
+    (GClassInitFunc) gtk_im_context_broadway_class_init,
+    NULL,           /* class_finalize */
+    NULL,           /* class_data */
+    sizeof (GtkIMContextBroadway),
+    0,
+    (GInstanceInitFunc) gtk_im_context_broadway_init,
+  };
+
+  type_broadway =
+    g_type_module_register_type (module,
+                                 GTK_TYPE_IM_CONTEXT_SIMPLE,
+                                 "GtkIMContextBroadway",
+                                 &object_info, 0);
+}
+
+MODULE_ENTRY (void, init) (GTypeModule * module)
+{
+  gtk_im_context_broadway_register_type (module);
+}
+
+MODULE_ENTRY (void, exit) (void)
+{
+}
+
+MODULE_ENTRY (void, list) (const GtkIMContextInfo *** contexts, int *n_contexts)
+{
+  *contexts = info_list;
+  *n_contexts = G_N_ELEMENTS (info_list);
+}
+
+MODULE_ENTRY (GtkIMContext *, create) (const gchar * context_id)
+{
+  if (!strcmp (context_id, "broadway"))
+    return g_object_new (type_broadway, NULL);
+  else
+    return NULL;
+}
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