C++ GTK_BUILDABLE函數代碼示例

static void
update (void)
{
  GString *s;
  char *font_desc;
  char *font_settings;
  const char *text;
  gboolean has_feature;
  int i;

  text = gtk_entry_get_text (GTK_ENTRY (entry));

  font_desc = gtk_font_chooser_get_font (GTK_FONT_CHOOSER (font));

  s = g_string_new ("");

  has_feature = FALSE;
  for (i = 0; i < 24; i++)
    {
      if (!gtk_widget_is_sensitive (toggle[i]))
        continue;

      if (GTK_IS_RADIO_BUTTON (toggle[i]))
        {
          if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (toggle[i])))
            {
              if (has_feature)
                g_string_append (s, ", ");
              g_string_append (s, gtk_buildable_get_name (GTK_BUILDABLE (toggle[i])));
              g_string_append (s, " 1");
              has_feature = TRUE;
            }
        }
      else
        {
          if (has_feature)
            g_string_append (s, ", ");
          g_string_append (s, gtk_buildable_get_name (GTK_BUILDABLE (toggle[i])));
          if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (toggle[i])))
            g_string_append (s, " 1");
          else
            g_string_append (s, " 0");
          has_feature = TRUE;
        }
    }

  font_settings = g_string_free (s, FALSE);

  gtk_label_set_text (GTK_LABEL (settings), font_settings);

  s = g_string_new ("");
  g_string_append_printf (s, "<span font_desc='%s' font_features='%s'>%s</span>", font_desc, font_settings, text);

  gtk_label_set_markup (GTK_LABEL (label), s->str);

  g_string_free (s, TRUE);

  g_free (font_desc);
  g_free (font_settings);
}

//Saving the actual image
G_MODULE_EXPORT void cb_save_clicked(GtkButton *button)
{

  //Check if there is an image
  if(camera_params.image_number==0)
  {
    gtk_widget_show( camera_params.objects->no_image_dialog );	
    return;
  }
  camera_params.wand_data.saving_wand=NULL;
  if(strcmp("processed_save_button",gtk_buildable_get_name(GTK_BUILDABLE(button)))==0)
  {
    pthread_mutex_lock(&camera_params.wand_data.processed_img_mutex);
    camera_params.wand_data.saving_wand=CloneMagickWand(camera_params.wand_data.processed_magick_wand);
    pthread_mutex_unlock(&camera_params.wand_data.processed_img_mutex);
  }
  else if(strcmp("raw_save_button",gtk_buildable_get_name(GTK_BUILDABLE(button)))==0)
  {
    pthread_mutex_lock(&camera_params.wand_data.raw_img_mutex);
    camera_params.wand_data.saving_wand=CloneMagickWand(camera_params.wand_data.raw_magick_wand);
    pthread_mutex_unlock(&camera_params.wand_data.raw_img_mutex);

    //we scale the image on 16 bits before saving
    imagemagick_levelimage(camera_params.wand_data.saving_wand, 0, 1<<((int)camera_params.sensorbits));
	
  }
  if(camera_params.wand_data.saving_wand)
  {
    gtk_widget_show( camera_params.objects->imagesavedialog );
    g_print("save button %s clicked\n",gtk_buildable_get_name(GTK_BUILDABLE(button)));      
  }
}

//Directory chooser
G_MODULE_EXPORT void cb_choose_dir_clicked(GtkButton *button)
{
  if(strcmp("raw_select_dir",gtk_buildable_get_name(GTK_BUILDABLE(button)))==0)
    camera_params.wand_data.dirchoosing=DIR_CHOOSING_RAW;
  if(strcmp("processed_select_dir",gtk_buildable_get_name(GTK_BUILDABLE(button)))==0)
    camera_params.wand_data.dirchoosing=DIR_CHOOSING_PROCESSED;
  gtk_widget_show( camera_params.objects->directorychooserdialog );
}

static gint
objects_cmp_func (gconstpointer a, gconstpointer b)
{
  const gchar *name_a, *name_b;
  name_a = gtk_buildable_get_name (GTK_BUILDABLE (a));
  name_b = gtk_buildable_get_name (GTK_BUILDABLE (b));
  return g_strcmp0 (name_a, name_b);
}

static void
tracking_radio_toggled_cb (GtkWidget *widget, ZoomOptionsPrivate *priv)
{
    if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (widget)) == TRUE)
    {
    g_settings_set_string (priv->settings, "mouse-tracking",
                           gtk_buildable_get_name (GTK_BUILDABLE (widget)));   
    g_settings_set_string (priv->settings, "focus-tracking",
                               gtk_buildable_get_name (GTK_BUILDABLE (widget)));
    g_settings_set_string (priv->settings, "caret-tracking",
                               gtk_buildable_get_name (GTK_BUILDABLE (widget)));
    }
}

/*
 * na_gtk_utils_find_widget_by_name:
 * @container: a #GtkContainer, usually the #GtkWindow toplevel.
 * @name: the name of the searched widget.
 *
 * Returns: the searched widget.
 */
GtkWidget *
na_gtk_utils_find_widget_by_name( GtkContainer *container, const gchar *name )
{
	GList *children = gtk_container_get_children( container );
	GList *ic;
	GtkWidget *found = NULL;
	GtkWidget *child;
	const gchar *child_name;

	for( ic = children ; ic && !found ; ic = ic->next ){

		if( GTK_IS_WIDGET( ic->data )){
			child = GTK_WIDGET( ic->data );
			child_name = gtk_buildable_get_name( GTK_BUILDABLE( child ));
			if( child_name && strlen( child_name ) && !g_ascii_strcasecmp( name, child_name )){
				found = child;
				break;
			}
			if( GTK_IS_CONTAINER( child )){
				found = na_gtk_utils_find_widget_by_name( GTK_CONTAINER( child ), name );
			}
		}
	}

	g_list_free( children );
	return( found );
}

/**
 * gel_ui_container_find_widget:
 * @container: A #GtkContainer
 * @name: Child name
 *
 * Tries to find widget named @name in @container recursively. If it is not
 * found %NULL is returned. No references are added in this function.
 *
 * Returns: (transfer none) (allow-none): The widget
 */
GtkWidget *
gel_ui_container_find_widget(GtkContainer *container, const gchar *name)
{
	g_return_val_if_fail(GTK_IS_CONTAINER(container), NULL);
	g_return_val_if_fail(name, NULL);

	GtkWidget *ret = NULL;

	GList *children = gtk_container_get_children(container);
	GList *iter = children;
	while (iter && (ret == NULL))
	{
		GtkWidget *child = (GtkWidget *) iter->data;
		const gchar *c_name= gtk_buildable_get_name(GTK_BUILDABLE(child));

		if (c_name && g_str_equal(name, c_name))
		{
			ret = child;
			break;
		}

		if (GTK_IS_CONTAINER(child))
			ret = gel_ui_container_find_widget((GtkContainer *) child, name);

		iter = iter->next;
	}

	return ret;
}

gboolean 
on_color_palette_entry_button_press_event ( GtkWidget	   *widget, 
											GdkEventButton *event,
											gpointer       user_data )
{
	const gchar *name;
	guint i;
	name = gtk_buildable_get_name ( GTK_BUILDABLE (widget) );
	i = ( (guint)(name[0] - '0') * 10 ) + (guint)(name[1] - '0');
	
	if ( event->type == GDK_2BUTTON_PRESS )
	{
		palette_color_picker ( i );
	}
	if ( event->button == LEFT_BUTTON )
	{
		foreground_set_color_from_palette ( i );
		notify_brush_of_fg_color_change();
	}
	else if ( event->button == RIGHT_BUTTON )
	{
		background_set_color_from_palette ( i );
	}

	
	return TRUE;
}

static void
cb_type_changed (GtkToggleButton* button, GObject *bubble)
{
	if (gtk_toggle_button_get_active (button))
		g_object_set (bubble, "size-as-area",
			strcmp (gtk_buildable_get_name (GTK_BUILDABLE (button)), "area")? FALSE: TRUE, NULL);
}

static void
record_state_change (AtkObject   *accessible,
                     const gchar *state,
                     gboolean     set,
                     GString     *string)
{
  GtkWidget *w;
  const gchar *name;

  if (states)
    {
      gint i;

      for (i = 0; states[i]; i++)
        {
          if (strcmp (states[i], state) == 0)
            break;
        }
      if (states[i] == NULL)
        return;
    }

  w = gtk_accessible_get_widget (GTK_ACCESSIBLE (accessible));
  name = gtk_buildable_get_name (GTK_BUILDABLE (w));
  g_string_append_printf (string, "%s %s %d\n", name, state, set); 
}

static void
list_box_row_activated (GtkListBox      *listbox,
                        GtkListBoxRow   *row,
                        CcDateTimePanel *self)

{
  CcDateTimePanelPrivate *priv = self->priv;
  gchar *widget_name, *found;

  widget_name = g_strdup (gtk_buildable_get_name (GTK_BUILDABLE (row)));

  if (!widget_name)
    return;

  gtk_list_box_select_row (listbox, NULL);

  if (!g_strcmp0 (widget_name, "auto-datetime-row"))
    {
      toggle_switch (W ("network_time_switch"));
    }
  else if (!g_strcmp0 (widget_name, "auto-timezone-row"))
    {
      toggle_switch (W ("auto_timezone_switch"));
    }
  else if ((found = g_strrstr (widget_name, "button")))
    {
      /* replace "button" with "dialog" */
      memcpy (found, "dialog", 6);

      run_dialog (self, widget_name);
    }

  g_free (widget_name);
}

static void
dump_children( const gchar *thisfn, GtkContainer *container, int level )
{
	GList *children = gtk_container_get_children( container );
	GList *ic;
	GtkWidget *child;
	const gchar *child_name;
	GString *prefix;
	int i;

	prefix = g_string_new( "" );
	for( i = 0 ; i <= level ; ++i ){
		g_string_append_printf( prefix, "%s", "|  " );
	}

	for( ic = children ; ic ; ic = ic->next ){

		if( GTK_IS_WIDGET( ic->data )){
			child = GTK_WIDGET( ic->data );
			child_name = gtk_buildable_get_name( GTK_BUILDABLE( child ));
			g_debug( "%s: %s%s\t%p %s",
					thisfn, prefix->str, G_OBJECT_TYPE_NAME( child ), ( void * ) child, child_name );

			if( GTK_IS_CONTAINER( child )){
				dump_children( thisfn, GTK_CONTAINER( child ), level+1 );
			}
		}
	}

	g_list_free( children );
	g_string_free( prefix, TRUE );
}

static void
subparser_end (GMarkupParseContext  *context,
               const gchar          *element_name,
               ParserData           *data,
               GError              **error)
{
  if (data->subparser->parser->end_element)
    data->subparser->parser->end_element (context, element_name,
                                          data->subparser->data, error);

  if (*error)
    return;

  if (strcmp (data->subparser->start, element_name) != 0)
    return;

  gtk_buildable_custom_tag_end (GTK_BUILDABLE (data->subparser->object),
                                data->builder,
                                data->subparser->child,
                                element_name,
                                data->subparser->data);
  g_free (data->subparser->parser);

  if (_gtk_builder_lookup_failed (data->builder, error))
    return;

  if (GTK_BUILDABLE_GET_IFACE (data->subparser->object)->custom_finished)
    data->custom_finalizers = g_slist_prepend (data->custom_finalizers,
                                               data->subparser);
  else
    free_subparser (data->subparser);

  data->subparser = NULL;
}

/** This function builds a hash table of "interesting" widgets,
 *  i.e. widgets whose name starts with "pref/".  This table is
 *  needed to perform name->widget lookups when binding the widgets
 *  to their matching preferences.
 *
 *  @internal
 *
 *  @param builder A pointer to builder glade file currently being
 *  added to the dialog.
 *
 *  @param dialog A pointer to the dialog. The hash table is stored
 *  as a pointer off the dialog so that it can be found in the binding
 *  code. */
static void
gnc_prefs_build_widget_table (GtkBuilder *builder,
                              GtkWidget *dialog)
{
    GHashTable *prefs_table;
    GSList *interesting, *runner;
    const gchar *name;
    const gchar *wname;
    GtkWidget *widget;

    prefs_table = g_object_get_data(G_OBJECT(dialog), PREFS_WIDGET_HASH);

    interesting = gtk_builder_get_objects(builder);

    for (runner = interesting; runner; runner = g_slist_next(runner))
    {
        widget = runner->data;
        if (GTK_IS_WIDGET(widget))
        {
            wname = gtk_widget_get_name(widget);
            name = gtk_buildable_get_name(GTK_BUILDABLE(widget));
            DEBUG("Widget type is %s and buildable get name is %s", wname, name);
            if (g_str_has_prefix (name, "pref"))
                g_hash_table_insert(prefs_table, (gchar *)name, widget);
        }
    }
    g_slist_free(interesting);

}

void
connect_help (GtkBuilder *xml)
{
  GSList *helps = gtk_builder_get_objects (xml);

  GSList *i;
  for ( i = helps; i ; i = g_slist_next (i))
    {
      GObject *o = i->data;
      if ( GTK_IS_WIDGET (o) )
	{
	  const gchar *name = gtk_buildable_get_name (GTK_BUILDABLE (o));
	  gchar s[12] = {0};

	  if ( name)
	    strncpy (s, name, 11);
	  s[11] = '\0';


	  if ( 0 == strcmp ("help_button", s))
	    {
	    g_signal_connect (o, "clicked", give_help, 0);
	    }
	}
    }

  g_slist_free (helps);
}