 822705fe3e
			
		
	
	822705fe3e
	
	
	
		
			
			The problem is caused by gtk_im_multicontext_set_slave(), which forgets to disconnect these signal handlers: * gtk_im_multicontext_retrieve_surrounding_cb * gtk_im_multicontext_delete_surrounding_cb If slave GtkImContext emits signal after GtkIMMulticontext context is destroyed, this leads to reading freed memory, sometimes causing a crash. Fixes: #2365
		
			
				
	
	
		
			781 lines
		
	
	
		
			24 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			781 lines
		
	
	
		
			24 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* GTK - The GIMP Toolkit
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|  * Copyright (C) 2000 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
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|  * License as published by the Free Software Foundation; either
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|  * version 2 of 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,
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|  * but 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, see <http://www.gnu.org/licenses/>.
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|  */
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| 
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| #include "config.h"
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| 
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| #include <string.h>
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| #include <locale.h>
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| 
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| #include "gtkimmulticontext.h"
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| #include "gtkimmoduleprivate.h"
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| #include "gtkintl.h"
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| #include "gtklabel.h"
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| #include "gtkmain.h"
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| #include "gtkprivate.h"
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| #include "gtkradiomenuitem.h"
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| #include "gtkseparatormenuitem.h"
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| #include "gtksettings.h"
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| 
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| 
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| /**
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|  * SECTION:gtkimmulticontext
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|  * @Short_description: An input method context supporting multiple, loadable input methods
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|  * @Title: GtkIMMulticontext
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|  */
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| 
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| 
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| struct _GtkIMMulticontextPrivate
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| {
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|   GtkIMContext          *slave;
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| 
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|   GdkWindow             *client_window;
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|   GdkRectangle           cursor_location;
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| 
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|   gchar                 *context_id;
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|   gchar                 *context_id_aux;
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| 
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|   guint                  use_preedit          : 1;
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|   guint                  have_cursor_location : 1;
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|   guint                  focus_in             : 1;
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| };
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| 
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| static void     gtk_im_multicontext_notify             (GObject                 *object,
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|                                                         GParamSpec              *pspec);
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| static void     gtk_im_multicontext_finalize           (GObject                 *object);
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| 
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| static void     gtk_im_multicontext_set_slave          (GtkIMMulticontext       *multicontext,
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| 							GtkIMContext            *slave,
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| 							gboolean                 finalizing);
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| 
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| static void     gtk_im_multicontext_set_client_window  (GtkIMContext            *context,
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| 							GdkWindow               *window);
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| static void     gtk_im_multicontext_get_preedit_string (GtkIMContext            *context,
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| 							gchar                  **str,
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| 							PangoAttrList          **attrs,
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| 							gint                   *cursor_pos);
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| static gboolean gtk_im_multicontext_filter_keypress    (GtkIMContext            *context,
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| 							GdkEventKey             *event);
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| static void     gtk_im_multicontext_focus_in           (GtkIMContext            *context);
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| static void     gtk_im_multicontext_focus_out          (GtkIMContext            *context);
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| static void     gtk_im_multicontext_reset              (GtkIMContext            *context);
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| static void     gtk_im_multicontext_set_cursor_location (GtkIMContext            *context,
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| 							GdkRectangle		*area);
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| static void     gtk_im_multicontext_set_use_preedit    (GtkIMContext            *context,
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| 							gboolean                 use_preedit);
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| static gboolean gtk_im_multicontext_get_surrounding    (GtkIMContext            *context,
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| 							gchar                  **text,
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| 							gint                    *cursor_index);
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| static void     gtk_im_multicontext_set_surrounding    (GtkIMContext            *context,
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| 							const char              *text,
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| 							gint                     len,
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| 							gint                     cursor_index);
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| 
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| static void     gtk_im_multicontext_preedit_start_cb        (GtkIMContext      *slave,
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| 							     GtkIMMulticontext *multicontext);
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| static void     gtk_im_multicontext_preedit_end_cb          (GtkIMContext      *slave,
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| 							     GtkIMMulticontext *multicontext);
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| static void     gtk_im_multicontext_preedit_changed_cb      (GtkIMContext      *slave,
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| 							     GtkIMMulticontext *multicontext);
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| static void     gtk_im_multicontext_commit_cb               (GtkIMContext      *slave,
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| 							     const gchar       *str,
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| 							     GtkIMMulticontext *multicontext);
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| static gboolean gtk_im_multicontext_retrieve_surrounding_cb (GtkIMContext      *slave,
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| 							     GtkIMMulticontext *multicontext);
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| static gboolean gtk_im_multicontext_delete_surrounding_cb   (GtkIMContext      *slave,
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| 							     gint               offset,
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| 							     gint               n_chars,
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| 							     GtkIMMulticontext *multicontext);
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| 
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| static void propagate_purpose (GtkIMMulticontext *context);
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| 
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| static const gchar *global_context_id = NULL;
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| 
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| G_DEFINE_TYPE_WITH_PRIVATE (GtkIMMulticontext, gtk_im_multicontext, GTK_TYPE_IM_CONTEXT)
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| 
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| static void
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| gtk_im_multicontext_class_init (GtkIMMulticontextClass *class)
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| {
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|   GObjectClass *gobject_class = G_OBJECT_CLASS (class);
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|   GtkIMContextClass *im_context_class = GTK_IM_CONTEXT_CLASS (class);
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| 
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|   gobject_class->notify = gtk_im_multicontext_notify;
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| 
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|   im_context_class->set_client_window = gtk_im_multicontext_set_client_window;
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|   im_context_class->get_preedit_string = gtk_im_multicontext_get_preedit_string;
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|   im_context_class->filter_keypress = gtk_im_multicontext_filter_keypress;
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|   im_context_class->focus_in = gtk_im_multicontext_focus_in;
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|   im_context_class->focus_out = gtk_im_multicontext_focus_out;
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|   im_context_class->reset = gtk_im_multicontext_reset;
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|   im_context_class->set_cursor_location = gtk_im_multicontext_set_cursor_location;
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|   im_context_class->set_use_preedit = gtk_im_multicontext_set_use_preedit;
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|   im_context_class->set_surrounding = gtk_im_multicontext_set_surrounding;
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|   im_context_class->get_surrounding = gtk_im_multicontext_get_surrounding;
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| 
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|   gobject_class->finalize = gtk_im_multicontext_finalize;
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| }
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| 
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| static void
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| gtk_im_multicontext_init (GtkIMMulticontext *multicontext)
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| {
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|   GtkIMMulticontextPrivate *priv;
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|   
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|   multicontext->priv = gtk_im_multicontext_get_instance_private (multicontext);
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|   priv = multicontext->priv;
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| 
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|   priv->slave = NULL;
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|   priv->use_preedit = TRUE;
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|   priv->have_cursor_location = FALSE;
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|   priv->focus_in = FALSE;
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| }
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| 
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| /**
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|  * gtk_im_multicontext_new:
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|  *
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|  * Creates a new #GtkIMMulticontext.
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|  *
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|  * Returns: a new #GtkIMMulticontext.
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|  **/
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| GtkIMContext *
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| gtk_im_multicontext_new (void)
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| {
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|   return g_object_new (GTK_TYPE_IM_MULTICONTEXT, NULL);
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| }
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| 
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| static void
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| gtk_im_multicontext_finalize (GObject *object)
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| {
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|   GtkIMMulticontext *multicontext = GTK_IM_MULTICONTEXT (object);
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|   GtkIMMulticontextPrivate *priv = multicontext->priv;
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| 
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|   gtk_im_multicontext_set_slave (multicontext, NULL, TRUE);
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|   g_free (priv->context_id);
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|   g_free (priv->context_id_aux);
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| 
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|   G_OBJECT_CLASS (gtk_im_multicontext_parent_class)->finalize (object);
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| }
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| 
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| static void
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| gtk_im_multicontext_set_slave (GtkIMMulticontext *multicontext,
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| 			       GtkIMContext      *slave,
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| 			       gboolean           finalizing)
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| {
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|   GtkIMMulticontextPrivate *priv = multicontext->priv;
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|   gboolean need_preedit_changed = FALSE;
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|   
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|   if (priv->slave)
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|     {
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|       if (!finalizing)
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| 	gtk_im_context_reset (priv->slave);
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|       
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|       g_signal_handlers_disconnect_by_func (priv->slave,
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| 					    gtk_im_multicontext_preedit_start_cb,
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| 					    multicontext);
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|       g_signal_handlers_disconnect_by_func (priv->slave,
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| 					    gtk_im_multicontext_preedit_end_cb,
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| 					    multicontext);
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|       g_signal_handlers_disconnect_by_func (priv->slave,
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| 					    gtk_im_multicontext_preedit_changed_cb,
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| 					    multicontext);
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|       g_signal_handlers_disconnect_by_func (priv->slave,
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| 					    gtk_im_multicontext_commit_cb,
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| 					    multicontext);
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|       g_signal_handlers_disconnect_by_func (priv->slave,
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| 					    gtk_im_multicontext_retrieve_surrounding_cb,
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| 					    multicontext);
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|       g_signal_handlers_disconnect_by_func (priv->slave,
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| 					    gtk_im_multicontext_delete_surrounding_cb,
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| 					    multicontext);
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| 
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|       g_object_unref (priv->slave);
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|       priv->slave = NULL;
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| 
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|       if (!finalizing)
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| 	need_preedit_changed = TRUE;
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|     }
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| 
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|   priv->slave = slave;
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| 
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|   if (priv->slave)
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|     {
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|       g_object_ref (priv->slave);
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| 
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|       propagate_purpose (multicontext);
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| 
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|       g_signal_connect (priv->slave, "preedit-start",
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| 			G_CALLBACK (gtk_im_multicontext_preedit_start_cb),
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| 			multicontext);
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|       g_signal_connect (priv->slave, "preedit-end",
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| 			G_CALLBACK (gtk_im_multicontext_preedit_end_cb),
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| 			multicontext);
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|       g_signal_connect (priv->slave, "preedit-changed",
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| 			G_CALLBACK (gtk_im_multicontext_preedit_changed_cb),
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| 			multicontext);
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|       g_signal_connect (priv->slave, "commit",
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| 			G_CALLBACK (gtk_im_multicontext_commit_cb),
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| 			multicontext);
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|       g_signal_connect (priv->slave, "retrieve-surrounding",
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| 			G_CALLBACK (gtk_im_multicontext_retrieve_surrounding_cb),
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| 			multicontext);
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|       g_signal_connect (priv->slave, "delete-surrounding",
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| 			G_CALLBACK (gtk_im_multicontext_delete_surrounding_cb),
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| 			multicontext);
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| 
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|       if (!priv->use_preedit)	/* Default is TRUE */
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| 	gtk_im_context_set_use_preedit (slave, FALSE);
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|       if (priv->client_window)
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| 	gtk_im_context_set_client_window (slave, priv->client_window);
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|       if (priv->have_cursor_location)
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| 	gtk_im_context_set_cursor_location (slave, &priv->cursor_location);
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|       if (priv->focus_in)
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| 	gtk_im_context_focus_in (slave);
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|     }
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| 
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|   if (need_preedit_changed)
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|     g_signal_emit_by_name (multicontext, "preedit-changed");
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| }
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| 
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| static const gchar *
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| get_effective_context_id (GtkIMMulticontext *multicontext)
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| {
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|   GtkIMMulticontextPrivate *priv = multicontext->priv;
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| 
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|   if (priv->context_id_aux)
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|     return priv->context_id_aux;
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| 
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|   if (!global_context_id)
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|     global_context_id = _gtk_im_module_get_default_context_id ();
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| 
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|   return global_context_id;
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| }
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| 
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| static GtkIMContext *
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| gtk_im_multicontext_get_slave (GtkIMMulticontext *multicontext)
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| {
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|   GtkIMMulticontextPrivate *priv = multicontext->priv;
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| 
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|   if (g_strcmp0 (priv->context_id, get_effective_context_id (multicontext)) != 0)
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|     gtk_im_multicontext_set_slave (multicontext, NULL, FALSE);
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| 
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|   if (!priv->slave)
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|     {
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|       GtkIMContext *slave;
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| 
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|       g_free (priv->context_id);
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| 
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|       priv->context_id = g_strdup (get_effective_context_id (multicontext));
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| 
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|       slave = _gtk_im_module_create (priv->context_id);
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|       if (slave)
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|         {
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|           gtk_im_multicontext_set_slave (multicontext, slave, FALSE);
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|           g_object_unref (slave);
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|         }
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|     }
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| 
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|   return priv->slave;
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| }
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| 
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| static void
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| im_module_setting_changed (GtkSettings *settings, 
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|                            gpointer     data)
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| {
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|   global_context_id = NULL;
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| }
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| 
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| 
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| static void
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| gtk_im_multicontext_set_client_window (GtkIMContext *context,
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| 				       GdkWindow    *window)
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| {
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|   GtkIMMulticontext *multicontext = GTK_IM_MULTICONTEXT (context);
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|   GtkIMMulticontextPrivate *priv = multicontext->priv;
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|   GtkIMContext *slave;
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|   GdkScreen *screen;
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|   GtkSettings *settings;
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|   gboolean connected;
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| 
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|   priv->client_window = window;
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| 
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|   if (window)
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|     {
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|       screen = gdk_window_get_screen (window);
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|       settings = gtk_settings_get_for_screen (screen);
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| 
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|       connected = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (settings),
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|                                                       "gtk-im-module-connected"));
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|       if (!connected)
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|         {
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|           g_signal_connect (settings, "notify::gtk-im-module",
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|                             G_CALLBACK (im_module_setting_changed), NULL);
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|           g_object_set_data (G_OBJECT (settings), "gtk-im-module-connected",
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|                              GINT_TO_POINTER (TRUE));
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| 
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|           global_context_id = NULL;
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|         }
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|     }
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| 
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|   slave = gtk_im_multicontext_get_slave (multicontext);
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|   if (slave)
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|     gtk_im_context_set_client_window (slave, window);
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| }
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| 
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| static void
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| gtk_im_multicontext_get_preedit_string (GtkIMContext   *context,
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| 					gchar         **str,
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| 					PangoAttrList **attrs,
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| 					gint           *cursor_pos)
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| {
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|   GtkIMMulticontext *multicontext = GTK_IM_MULTICONTEXT (context);
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|   GtkIMContext *slave = gtk_im_multicontext_get_slave (multicontext);
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| 
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|   if (slave)
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|     gtk_im_context_get_preedit_string (slave, str, attrs, cursor_pos);
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|   else
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|     {
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|       if (str)
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| 	*str = g_strdup ("");
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|       if (attrs)
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| 	*attrs = pango_attr_list_new ();
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|     }
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| }
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| 
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| static gboolean
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| gtk_im_multicontext_filter_keypress (GtkIMContext *context,
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| 				     GdkEventKey  *event)
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| {
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|   GtkIMMulticontext *multicontext = GTK_IM_MULTICONTEXT (context);
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|   GtkIMContext *slave = gtk_im_multicontext_get_slave (multicontext);
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| 
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|   if (slave)
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|     {
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|       return gtk_im_context_filter_keypress (slave, event);
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|     }
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|   else
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|     {
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|       GdkDisplay *display;
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|       GdkModifierType no_text_input_mask;
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| 
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|       display = gdk_window_get_display (event->window);
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| 
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|       no_text_input_mask =
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|         gdk_keymap_get_modifier_mask (gdk_keymap_get_for_display (display),
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|                                       GDK_MODIFIER_INTENT_NO_TEXT_INPUT);
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| 
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|       if (event->type == GDK_KEY_PRESS &&
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|           (event->state & no_text_input_mask) == 0)
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|         {
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|           gunichar ch;
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| 
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|           ch = gdk_keyval_to_unicode (event->keyval);
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|           if (ch != 0 && !g_unichar_iscntrl (ch))
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|             {
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|               gint len;
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|               gchar buf[10];
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| 
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|               len = g_unichar_to_utf8 (ch, buf);
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|               buf[len] = '\0';
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| 
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|               g_signal_emit_by_name (multicontext, "commit", buf);
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| 
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|               return TRUE;
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|             }
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|         }
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|     }
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| 
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|   return FALSE;
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| }
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| 
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| static void
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| gtk_im_multicontext_focus_in (GtkIMContext   *context)
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| {
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|   GtkIMMulticontext *multicontext = GTK_IM_MULTICONTEXT (context);
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|   GtkIMMulticontextPrivate *priv = multicontext->priv;
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|   GtkIMContext *slave = gtk_im_multicontext_get_slave (multicontext);
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| 
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|   priv->focus_in = TRUE;
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| 
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|   if (slave)
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|     gtk_im_context_focus_in (slave);
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| }
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| 
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| static void
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| gtk_im_multicontext_focus_out (GtkIMContext   *context)
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| {
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|   GtkIMMulticontext *multicontext = GTK_IM_MULTICONTEXT (context);
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|   GtkIMMulticontextPrivate *priv = multicontext->priv;
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|   GtkIMContext *slave = gtk_im_multicontext_get_slave (multicontext);
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| 
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|   priv->focus_in = FALSE;
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| 
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|   if (slave)
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|     gtk_im_context_focus_out (slave);
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| }
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| 
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| static void
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| gtk_im_multicontext_reset (GtkIMContext   *context)
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| {
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|   GtkIMMulticontext *multicontext = GTK_IM_MULTICONTEXT (context);
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|   GtkIMContext *slave = gtk_im_multicontext_get_slave (multicontext);
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| 
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|   if (slave)
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|     gtk_im_context_reset (slave);
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| }
 | |
| 
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| static void
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| gtk_im_multicontext_set_cursor_location (GtkIMContext   *context,
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| 					 GdkRectangle   *area)
 | |
| {
 | |
|   GtkIMMulticontext *multicontext = GTK_IM_MULTICONTEXT (context);
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|   GtkIMMulticontextPrivate *priv = multicontext->priv;
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|   GtkIMContext *slave = gtk_im_multicontext_get_slave (multicontext);
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| 
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|   priv->have_cursor_location = TRUE;
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|   priv->cursor_location = *area;
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| 
 | |
|   if (slave)
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|     gtk_im_context_set_cursor_location (slave, area);
 | |
| }
 | |
| 
 | |
| static void
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| gtk_im_multicontext_set_use_preedit (GtkIMContext   *context,
 | |
| 				     gboolean	    use_preedit)
 | |
| {
 | |
|   GtkIMMulticontext *multicontext = GTK_IM_MULTICONTEXT (context);
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|   GtkIMMulticontextPrivate *priv = multicontext->priv;
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|   GtkIMContext *slave = gtk_im_multicontext_get_slave (multicontext);
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| 
 | |
|   use_preedit = use_preedit != FALSE;
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| 
 | |
|   priv->use_preedit = use_preedit;
 | |
| 
 | |
|   if (slave)
 | |
|     gtk_im_context_set_use_preedit (slave, use_preedit);
 | |
| }
 | |
| 
 | |
| static gboolean
 | |
| gtk_im_multicontext_get_surrounding (GtkIMContext  *context,
 | |
| 				     gchar        **text,
 | |
| 				     gint          *cursor_index)
 | |
| {
 | |
|   GtkIMMulticontext *multicontext = GTK_IM_MULTICONTEXT (context);
 | |
|   GtkIMContext *slave = gtk_im_multicontext_get_slave (multicontext);
 | |
| 
 | |
|   if (slave)
 | |
|     return gtk_im_context_get_surrounding (slave, text, cursor_index);
 | |
|   else
 | |
|     {
 | |
|       if (text)
 | |
| 	*text = NULL;
 | |
|       if (cursor_index)
 | |
| 	*cursor_index = 0;
 | |
| 
 | |
|       return FALSE;
 | |
|     }
 | |
| }
 | |
| 
 | |
| static void
 | |
| gtk_im_multicontext_set_surrounding (GtkIMContext *context,
 | |
| 				     const char   *text,
 | |
| 				     gint          len,
 | |
| 				     gint          cursor_index)
 | |
| {
 | |
|   GtkIMMulticontext *multicontext = GTK_IM_MULTICONTEXT (context);
 | |
|   GtkIMContext *slave = gtk_im_multicontext_get_slave (multicontext);
 | |
| 
 | |
|   if (slave)
 | |
|     gtk_im_context_set_surrounding (slave, text, len, cursor_index);
 | |
| }
 | |
| 
 | |
| static void
 | |
| gtk_im_multicontext_preedit_start_cb   (GtkIMContext      *slave,
 | |
| 					GtkIMMulticontext *multicontext)
 | |
| {
 | |
|   g_signal_emit_by_name (multicontext, "preedit-start");
 | |
| }
 | |
| 
 | |
| static void
 | |
| gtk_im_multicontext_preedit_end_cb (GtkIMContext      *slave,
 | |
| 				    GtkIMMulticontext *multicontext)
 | |
| {
 | |
|   g_signal_emit_by_name (multicontext, "preedit-end");
 | |
| }
 | |
| 
 | |
| static void
 | |
| gtk_im_multicontext_preedit_changed_cb (GtkIMContext      *slave,
 | |
| 					GtkIMMulticontext *multicontext)
 | |
| {
 | |
|   g_signal_emit_by_name (multicontext, "preedit-changed");
 | |
| }
 | |
| 
 | |
| static void
 | |
| gtk_im_multicontext_commit_cb (GtkIMContext      *slave,
 | |
| 			       const gchar       *str,
 | |
| 			       GtkIMMulticontext *multicontext)
 | |
| {
 | |
|   g_signal_emit_by_name (multicontext, "commit", str);
 | |
| }
 | |
| 
 | |
| static gboolean
 | |
| gtk_im_multicontext_retrieve_surrounding_cb (GtkIMContext      *slave,
 | |
| 					     GtkIMMulticontext *multicontext)
 | |
| {
 | |
|   gboolean result;
 | |
|   
 | |
|   g_signal_emit_by_name (multicontext, "retrieve-surrounding", &result);
 | |
| 
 | |
|   return result;
 | |
| }
 | |
| 
 | |
| static gboolean
 | |
| gtk_im_multicontext_delete_surrounding_cb (GtkIMContext      *slave,
 | |
| 					   gint               offset,
 | |
| 					   gint               n_chars,
 | |
| 					   GtkIMMulticontext *multicontext)
 | |
| {
 | |
|   gboolean result;
 | |
|   
 | |
|   g_signal_emit_by_name (multicontext, "delete-surrounding",
 | |
| 			 offset, n_chars, &result);
 | |
| 
 | |
|   return result;
 | |
| }
 | |
| 
 | |
| static void
 | |
| activate_cb (GtkWidget         *menuitem,
 | |
| 	     GtkIMMulticontext *context)
 | |
| {
 | |
|   if (gtk_check_menu_item_get_active (GTK_CHECK_MENU_ITEM (menuitem)))
 | |
|     {
 | |
|       const gchar *id = g_object_get_data (G_OBJECT (menuitem), "gtk-context-id");
 | |
| 
 | |
|       gtk_im_multicontext_set_context_id (context, id);
 | |
|     }
 | |
| }
 | |
| 
 | |
| static int
 | |
| pathnamecmp (const char *a,
 | |
| 	     const char *b)
 | |
| {
 | |
| #ifndef G_OS_WIN32
 | |
|   return strcmp (a, b);
 | |
| #else
 | |
|   /* Ignore case insensitivity, probably not that relevant here. Just
 | |
|    * make sure slash and backslash compare equal.
 | |
|    */
 | |
|   while (*a && *b)
 | |
|     if ((G_IS_DIR_SEPARATOR (*a) && G_IS_DIR_SEPARATOR (*b)) ||
 | |
| 	*a == *b)
 | |
|       a++, b++;
 | |
|     else
 | |
|       return (*a - *b);
 | |
|   return (*a - *b);
 | |
| #endif
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * gtk_im_multicontext_append_menuitems:
 | |
|  * @context: a #GtkIMMulticontext
 | |
|  * @menushell: a #GtkMenuShell
 | |
|  * 
 | |
|  * Add menuitems for various available input methods to a menu;
 | |
|  * the menuitems, when selected, will switch the input method
 | |
|  * for the context and the global default input method.
 | |
|  *
 | |
|  * Deprecated: 3.10: It is better to use the system-wide input
 | |
|  *     method framework for changing input methods. Modern
 | |
|  *     desktop shells offer on-screen displays for this that
 | |
|  *     can triggered with a keyboard shortcut, e.g. Super-Space.
 | |
|  **/
 | |
| void
 | |
| gtk_im_multicontext_append_menuitems (GtkIMMulticontext *context,
 | |
| 				      GtkMenuShell      *menushell)
 | |
| {
 | |
|   GtkIMMulticontextPrivate *priv = context->priv;
 | |
|   const GtkIMContextInfo **contexts;
 | |
|   guint n_contexts, i;
 | |
|   GSList *group = NULL;
 | |
|   GtkWidget *menuitem, *system_menuitem;
 | |
|   const char *system_context_id; 
 | |
| 
 | |
|   system_context_id = _gtk_im_module_get_default_context_id ();
 | |
|   system_menuitem = menuitem = gtk_radio_menu_item_new_with_label (group, C_("input method menu", "System"));
 | |
|   if (!priv->context_id_aux)
 | |
|     gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (menuitem), TRUE);
 | |
|   group = gtk_radio_menu_item_get_group (GTK_RADIO_MENU_ITEM (menuitem));
 | |
|   g_object_set_data (G_OBJECT (menuitem), I_("gtk-context-id"), NULL);
 | |
|   g_signal_connect (menuitem, "activate", G_CALLBACK (activate_cb), context);
 | |
| 
 | |
|   gtk_widget_show (menuitem);
 | |
|   gtk_menu_shell_append (menushell, menuitem);
 | |
| 
 | |
|   _gtk_im_module_list (&contexts, &n_contexts);
 | |
| 
 | |
|   for (i = 0; i < n_contexts; i++)
 | |
|     {
 | |
|       const gchar *translated_name;
 | |
| #ifdef ENABLE_NLS
 | |
|       if (contexts[i]->domain && contexts[i]->domain[0])
 | |
| 	{
 | |
| 	  if (strcmp (contexts[i]->domain, GETTEXT_PACKAGE) == 0)
 | |
| 	    {
 | |
| 	      /* Same translation domain as GTK+ */
 | |
| 	      if (!(contexts[i]->domain_dirname && contexts[i]->domain_dirname[0]) ||
 | |
| 		  pathnamecmp (contexts[i]->domain_dirname, _gtk_get_localedir ()) == 0)
 | |
| 		{
 | |
| 		  /* Empty or NULL, domain directory, or same as
 | |
| 		   * GTK+. Input method may have a name in the GTK+
 | |
| 		   * message catalog.
 | |
| 		   */
 | |
| 		  translated_name = g_dpgettext2 (GETTEXT_PACKAGE, "input method menu", contexts[i]->context_name);
 | |
| 		}
 | |
| 	      else
 | |
| 		{
 | |
| 		  /* Separate domain directory but the same
 | |
| 		   * translation domain as GTK+. We can't call
 | |
| 		   * bindtextdomain() as that would make GTK+ forget
 | |
| 		   * its own messages.
 | |
| 		   */
 | |
| 		  g_warning ("Input method %s should not use GTK's translation domain %s",
 | |
| 			     contexts[i]->context_id, GETTEXT_PACKAGE);
 | |
| 		  /* Try translating the name in GTK+'s domain */
 | |
| 		  translated_name = g_dpgettext2 (GETTEXT_PACKAGE, "input method menu", contexts[i]->context_name);
 | |
| 		}
 | |
| 	    }
 | |
| 	  else if (contexts[i]->domain_dirname && contexts[i]->domain_dirname[0])
 | |
| 	    /* Input method has own translation domain and message catalog */
 | |
| 	    {
 | |
| 	      bindtextdomain (contexts[i]->domain,
 | |
| 			      contexts[i]->domain_dirname);
 | |
| #ifdef HAVE_BIND_TEXTDOMAIN_CODESET
 | |
| 	      bind_textdomain_codeset (contexts[i]->domain, "UTF-8");
 | |
| #endif
 | |
| 	      translated_name = g_dgettext (contexts[i]->domain, contexts[i]->context_name);
 | |
| 	    }
 | |
| 	  else
 | |
| 	    {
 | |
| 	      /* Different translation domain, but no domain directory */
 | |
| 	      translated_name = contexts[i]->context_name;
 | |
| 	    }
 | |
| 	}
 | |
|       else
 | |
| 	/* Empty or NULL domain. We assume that input method does not
 | |
| 	 * want a translated name in this case.
 | |
| 	 */
 | |
| 	translated_name = contexts[i]->context_name;
 | |
| #else
 | |
|       translated_name = contexts[i]->context_name;
 | |
| #endif
 | |
|       menuitem = gtk_radio_menu_item_new_with_label (group, translated_name);
 | |
| 
 | |
|       if ((priv->context_id_aux &&
 | |
|            strcmp (contexts[i]->context_id, priv->context_id_aux) == 0))
 | |
|         gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (menuitem), TRUE);
 | |
| 
 | |
|       if (strcmp (contexts[i]->context_id, system_context_id) == 0)
 | |
|         {
 | |
|           GtkWidget *label;
 | |
|           char *text;
 | |
| 
 | |
|           label = gtk_bin_get_child (GTK_BIN (system_menuitem));
 | |
|           text = g_strdup_printf (C_("input method menu", "System (%s)"), translated_name);
 | |
|           gtk_label_set_text (GTK_LABEL (label), text);
 | |
|           g_free (text);
 | |
|         }
 | |
| 
 | |
|       group = gtk_radio_menu_item_get_group (GTK_RADIO_MENU_ITEM (menuitem));
 | |
| 
 | |
|       g_object_set_data (G_OBJECT (menuitem), I_("gtk-context-id"),
 | |
| 			 (char *)contexts[i]->context_id);
 | |
|       g_signal_connect (menuitem, "activate",
 | |
| 			G_CALLBACK (activate_cb), context);
 | |
| 
 | |
|       gtk_widget_show (menuitem);
 | |
|       gtk_menu_shell_append (menushell, menuitem);
 | |
|     }
 | |
| 
 | |
|   g_free (contexts);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * gtk_im_multicontext_get_context_id:
 | |
|  * @context: a #GtkIMMulticontext
 | |
|  *
 | |
|  * Gets the id of the currently active slave of the @context.
 | |
|  *
 | |
|  * Returns: the id of the currently active slave
 | |
|  *
 | |
|  * Since: 2.16
 | |
|  */
 | |
| const char *
 | |
| gtk_im_multicontext_get_context_id (GtkIMMulticontext *context)
 | |
| {
 | |
|   g_return_val_if_fail (GTK_IS_IM_MULTICONTEXT (context), NULL);
 | |
| 
 | |
|   return context->priv->context_id;
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * gtk_im_multicontext_set_context_id:
 | |
|  * @context: a #GtkIMMulticontext
 | |
|  * @context_id: the id to use 
 | |
|  *
 | |
|  * Sets the context id for @context.
 | |
|  *
 | |
|  * This causes the currently active slave of @context to be
 | |
|  * replaced by the slave corresponding to the new context id.
 | |
|  *
 | |
|  * Since: 2.16
 | |
|  */
 | |
| void
 | |
| gtk_im_multicontext_set_context_id (GtkIMMulticontext *context,
 | |
|                                     const char        *context_id)
 | |
| {
 | |
|   GtkIMMulticontextPrivate *priv;
 | |
| 
 | |
|   g_return_if_fail (GTK_IS_IM_MULTICONTEXT (context));
 | |
| 
 | |
|   priv = context->priv;
 | |
| 
 | |
|   gtk_im_context_reset (GTK_IM_CONTEXT (context));
 | |
|   g_free (priv->context_id_aux);
 | |
|   priv->context_id_aux = g_strdup (context_id);
 | |
|   gtk_im_multicontext_set_slave (context, NULL, FALSE);
 | |
| }
 | |
| 
 | |
| static void
 | |
| propagate_purpose (GtkIMMulticontext *context)
 | |
| {
 | |
|   GtkInputPurpose purpose;
 | |
|   GtkInputHints hints;
 | |
| 
 | |
|   if (context->priv->slave == NULL)
 | |
|     return;
 | |
| 
 | |
|   g_object_get (context, "input-purpose", &purpose, NULL);
 | |
|   g_object_set (context->priv->slave, "input-purpose", purpose, NULL);
 | |
| 
 | |
|   g_object_get (context, "input-hints", &hints, NULL);
 | |
|   g_object_set (context->priv->slave, "input-hints", hints, NULL);
 | |
| }
 | |
| 
 | |
| static void
 | |
| gtk_im_multicontext_notify (GObject      *object,
 | |
|                             GParamSpec   *pspec)
 | |
| {
 | |
|   propagate_purpose (GTK_IM_MULTICONTEXT (object));
 | |
| }
 |