C++ (Cpp) gdaui_data_entry_get_handler示例

示例#1

文件： gdaui-entry-string.c 项目： GNOME/libgda

static void
real_set_value (GdauiEntryWrapper *mgwrap, const GValue *value)
{
	GdauiEntryString *mgstr;
	GdaDataHandler *dh;

	PangoLayout *layout;
	gchar *text;
	
	g_return_if_fail (GDAUI_IS_ENTRY_STRING (mgwrap));
	mgstr = GDAUI_ENTRY_STRING (mgwrap);
	GdauiEntryStringPrivate *priv = gdaui_entry_string_get_instance_private (mgstr);

	dh = gdaui_data_entry_get_handler (GDAUI_DATA_ENTRY (mgwrap));

	/* do we need to go into multi line mode ? */
	text = gda_data_handler_get_str_from_value (dh, value);
	layout = gtk_widget_create_pango_layout (GTK_WIDGET (mgwrap), text);
	if (pango_layout_get_line_count (layout) > 1) 
		g_object_set (G_OBJECT (mgwrap), "multiline", TRUE, NULL);
	g_object_unref (G_OBJECT (layout));
	
	/* fill the single line widget */
	if (value) {
		if (gda_value_is_null ((GValue *) value))
			gdaui_entry_set_text (GDAUI_ENTRY (priv->entry), NULL);
		else 
			gdaui_entry_set_text (GDAUI_ENTRY (priv->entry), text);
	}
	else
		gdaui_entry_set_text (GDAUI_ENTRY (priv->entry), NULL);

	/* fill the multiline widget */
	if (value) {
		if (gda_value_is_null ((GValue *) value) || !text)
                        gtk_text_buffer_set_text (priv->buffer, "", -1);
		else 
			gtk_text_buffer_set_text (priv->buffer, text, -1);
	}
	else 
		gtk_text_buffer_set_text (priv->buffer, "", -1);

	g_free (text);
}

示例#2

文件： gdaui-entry-wrapper.c 项目： arthurnn/libgda

static void
gdaui_entry_wrapper_set_property (GObject *object,
				  guint param_id,
				  const GValue *value,
				  GParamSpec *pspec)
{
	GdauiEntryWrapper *wrapper = GDAUI_ENTRY_WRAPPER (object);
	if (wrapper->priv) {
		switch (param_id) {
		case PROP_SET_DEFAULT_IF_INVALID: {
			guint attrs;

			wrapper->priv->set_default_if_invalid = g_value_get_boolean (value);
			attrs = gdaui_data_entry_get_attributes (GDAUI_DATA_ENTRY (wrapper));

			if (wrapper->priv->set_default_if_invalid && (attrs & GDA_VALUE_ATTR_DATA_NON_VALID)) {
				GValue *sane_value;
				GdaDataHandler *dh;
				GType type;

				check_correct_init (wrapper);
				dh = gdaui_data_entry_get_handler (GDAUI_DATA_ENTRY (wrapper));
				type = gdaui_data_entry_get_value_type (GDAUI_DATA_ENTRY (wrapper));
				sane_value = gda_data_handler_get_sane_init_value (dh, type);
				(*wrapper->priv->real_class->real_set_value) (wrapper, sane_value);
				if (sane_value)
					gda_value_free (sane_value);
			}
			break;
		default:
			G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
			break;
		}
		}
	}
}

示例#3

文件： gdaui-entry-string.c 项目： GNOME/libgda

static GValue *
real_get_value (GdauiEntryWrapper *mgwrap)
{
	GValue *value;
	GdauiEntryString *mgstr;
	GdaDataHandler *dh;

	g_return_val_if_fail (GDAUI_IS_ENTRY_STRING (mgwrap), NULL);
	mgstr = GDAUI_ENTRY_STRING (mgwrap);
	GdauiEntryStringPrivate *priv = gdaui_entry_string_get_instance_private (mgstr);

	dh = gdaui_data_entry_get_handler (GDAUI_DATA_ENTRY (mgwrap));
	if (! priv->multiline) {
		gchar *cstr;
		cstr = gdaui_entry_get_text (GDAUI_ENTRY (priv->entry));
		value = gda_data_handler_get_value_from_str (dh, cstr, gdaui_data_entry_get_value_type (GDAUI_DATA_ENTRY (mgwrap)));
		g_free (cstr);
	}
	else {
		GtkTextIter start, end;
		gchar *str;
		gtk_text_buffer_get_start_iter (priv->buffer, &start);
		gtk_text_buffer_get_end_iter (priv->buffer, &end);
		str = gtk_text_buffer_get_text (priv->buffer, &start, &end, FALSE);
		value = gda_data_handler_get_value_from_str (dh, str, gdaui_data_entry_get_value_type (GDAUI_DATA_ENTRY (mgwrap)));
		g_free (str);
	}

	if (!value) {
		/* in case the gda_data_handler_get_value_from_str() returned an error because
		   the contents of the GtkEntry cannot be interpreted as a GValue */
		value = gda_value_new_null ();
	}

	return value;
}