自学教程：C++ GTK_BUILDABLE函数代码示例

static voidupdate (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 imageG_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 chooserG_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 gintobjects_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 voidtracking_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 voidcb_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 voidrecord_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 voidlist_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 voiddump_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 voidsubparser_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 voidgnc_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);}

voidconnect_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);}

static voidevent_control_toggle (GtkToggleButton *widget, gpointer data){    Snes9xPreferences    *window = (Snes9xPreferences *) data;    static unsigned char toggle_lock = 0;    const gchar          *name;    bool                 state;    if (toggle_lock)    {        return;    }    window->last_toggled = widget;    name = gtk_buildable_get_name (GTK_BUILDABLE (widget));    state = gtk_toggle_button_get_active (widget);    toggle_lock = 1;    for (int i = 0; b_links[i].button_name; i++)    {        if (strcasecmp (name, b_links[i].button_name))        {            gtk_toggle_button_set_active (                GTK_TOGGLE_BUTTON (window->get_widget (b_links[i].button_name)),                FALSE);        }    }    gtk_toggle_button_set_active (widget, state);    toggle_lock = 0;    return;}

static voidcc_sharing_panel_main_list_box_row_activated (GtkListBox     *listbox,                                              GtkListBoxRow  *row,                                              CcSharingPanel *self){  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);  /* replace "button" with "dialog" */  found = g_strrstr (widget_name, "button");  if (!found)    goto out;  memcpy (found, "dialog", 6);  cc_sharing_panel_run_dialog (self, widget_name);out:  g_free (widget_name);}

void gnc_bi_import_gui_open_mode_cb (GtkWidget *widget, gpointer data){    BillImportGui *gui = data;    const gchar *name;    name = gtk_buildable_get_name(GTK_BUILDABLE(widget));    if (!gtk_toggle_button_get_active( GTK_TOGGLE_BUTTON(widget) ))        return;    if  (g_ascii_strcasecmp(name, "radiobuttonOpenAll") == 0)gui->open_mode = "ALL";    else if (g_ascii_strcasecmp(name, "radiobuttonOpenNotPosted") == 0)gui->open_mode = "NOT_POSTED";    else if (g_ascii_strcasecmp(name, "radiobuttonOpenNone") == 0)gui->open_mode = "NONE";}

void on_float_range_changed(GtkRange * range, CappletData *capp){    const char *name;    if (capplet_ignore_changes)        return;    name = gtk_buildable_get_name(GTK_BUILDABLE(range));    if (name)    {        capplet_set_float(capp->options, name, gtk_range_get_value(range));    }}

/***************************************************************** * Set whether we are importing a bi, invoice, Customer or Vendor * ****************************************************************/void gnc_import_gui_type_cb (GtkWidget *widget, gpointer data){    BillImportGui *gui = data;    const gchar *name;    name = gtk_buildable_get_name(GTK_BUILDABLE(widget));    if (!gtk_toggle_button_get_active( GTK_TOGGLE_BUTTON(widget) ))        return;    if  (g_ascii_strcasecmp(name, "radiobuttonInvoice") == 0)gui->type = "INVOICE";    else if (g_ascii_strcasecmp(name, "radiobuttonBill") == 0)gui->type = "BILL";    //printf ("TYPE set to, %s/n",gui->type);}

void on_combo_changed(GtkComboBox * combo, CappletData *capp){    const char *name;    if (capplet_ignore_changes)        return;    name = gtk_buildable_get_name(GTK_BUILDABLE(combo));    if (name)    {        capplet_set_int(capp->options, name,                gtk_combo_box_get_active(combo));    }}

void on_spin_button_changed(GtkSpinButton * button, CappletData *capp){    const char *name;    if (capplet_ignore_changes)        return;    name = gtk_buildable_get_name(GTK_BUILDABLE(button));    if (name)    {        capplet_set_int(capp->options, name,                gtk_spin_button_get_value_as_int(button));    }}

/** Connect a GtkSpinButton widget to its stored value in the preferences database. * *  @internal * *  @param button A pointer to the spin button that should be *  connected. */static voidgnc_prefs_connect_spin_button (GtkSpinButton *spin){    gchar *group, *pref;    g_return_if_fail(GTK_IS_SPIN_BUTTON(spin));    gnc_prefs_split_widget_name (gtk_buildable_get_name(GTK_BUILDABLE(spin)), &group, &pref);    gnc_prefs_bind (group, pref, G_OBJECT (spin), "value");    g_free (group);    g_free (pref);}

/** Connect a GtkEntry widget to its stored value in the preferences database. * *  @internal * *  @param entry A pointer to the entry that should be connected. */static voidgnc_prefs_connect_entry (GtkEntry *entry){    gchar *group, *pref;    g_return_if_fail(GTK_IS_ENTRY(entry));    gnc_prefs_split_widget_name (gtk_buildable_get_name(GTK_BUILDABLE(entry)), &group, &pref);    gnc_prefs_bind (group, pref, G_OBJECT (entry), "text");    g_free (group);    g_free (pref);}

/** Connect a GtkComboBox widget to its stored value in the preferences database. * *  @internal * *  @param box A pointer to the combo box that should be connected. */static voidgnc_prefs_connect_combo_box (GtkComboBox *box){    gchar *group, *pref;    g_return_if_fail(GTK_IS_COMBO_BOX(box));    gnc_prefs_split_widget_name (gtk_buildable_get_name(GTK_BUILDABLE(box)), &group, &pref);    gnc_prefs_bind (group, pref, G_OBJECT (box), "active");    g_free (group);    g_free (pref);}