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GtkCellLayout: Use the new helpers
Instead of issuing g_warning, fill the provided GError. This lets us test this error handling, and is the right thing to do. Use the new GtkBuilder helpers and g_markup_collect_attributes to do so.
This commit is contained in:
Matthias Clasen
parent
2c807335c4
commit
5e7fd924c4
@ -622,7 +622,9 @@ gtk_cell_layout_get_area (GtkCellLayout *cell_layout)
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typedef struct {
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GtkCellLayout *cell_layout;
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GtkCellRenderer *renderer;
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GtkBuilder *builder;
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gchar *attr_name;
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GString *string;
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} AttributesSubParserData;
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static void
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@ -633,63 +635,90 @@ attributes_start_element (GMarkupParseContext *context,
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gpointer user_data,
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GError **error)
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{
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AttributesSubParserData *parser_data = (AttributesSubParserData*)user_data;
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guint i;
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AttributesSubParserData *data = (AttributesSubParserData*)user_data;
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if (strcmp (element_name, "attribute") == 0)
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{
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for (i = 0; names[i]; i++)
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if (strcmp (names[i], "name") == 0)
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parser_data->attr_name = g_strdup (values[i]);
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const gchar *name;
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if (!_gtk_builder_check_parent (data->builder, context, "attributes", error))
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return;
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if (!g_markup_collect_attributes (element_name, names, values, error,
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G_MARKUP_COLLECT_STRING, "name", &name,
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G_MARKUP_COLLECT_INVALID))
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{
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_gtk_builder_prefix_error (data->builder, context, error);
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return;
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}
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data->attr_name = g_strdup (name);
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}
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else if (strcmp (element_name, "attributes") == 0)
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return;
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{
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if (!_gtk_builder_check_parent (data->builder, context, "child", error))
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return;
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if (!g_markup_collect_attributes (element_name, names, values, error,
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G_MARKUP_COLLECT_INVALID, NULL, NULL,
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G_MARKUP_COLLECT_INVALID))
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_gtk_builder_prefix_error (data->builder, context, error);
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}
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else
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g_warning ("Unsupported tag for GtkCellLayout: %s\n", element_name);
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{
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_gtk_builder_error_unhandled_tag (data->builder, context,
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"GtkCellLayout", element_name,
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error);
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}
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}
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static void
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attributes_text_element (GMarkupParseContext *context,
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const gchar *text,
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gsize text_len,
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gpointer user_data,
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GError **error)
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attributes_text_element (GMarkupParseContext *context,
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const gchar *text,
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gsize text_len,
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gpointer user_data,
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GError **error)
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{
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AttributesSubParserData *parser_data = (AttributesSubParserData*)user_data;
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glong l;
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gchar *endptr;
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gchar *string;
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if (!parser_data->attr_name)
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AttributesSubParserData *data = (AttributesSubParserData*)user_data;
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if (data->attr_name)
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g_string_append_len (data->string, text, text_len);
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}
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static void
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attributes_end_element (GMarkupParseContext *context,
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const gchar *element_name,
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gpointer user_data,
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GError **error)
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{
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AttributesSubParserData *data = (AttributesSubParserData*)user_data;
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GValue val = G_VALUE_INIT;
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if (!data->attr_name)
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return;
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string = g_strndup (text, text_len);
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errno = 0;
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l = g_ascii_strtoll (string, &endptr, 0);
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if (errno || endptr == string)
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if (!gtk_builder_value_from_string_type (data->builder, G_TYPE_INT, data->string->str, &val, error))
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{
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g_set_error (error,
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GTK_BUILDER_ERROR,
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GTK_BUILDER_ERROR_INVALID_VALUE,
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"Could not parse integer `%s'",
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string);
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g_free (string);
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return;
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_gtk_builder_prefix_error (data->builder, context, error);
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return;
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}
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g_free (string);
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gtk_cell_layout_add_attribute (parser_data->cell_layout,
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parser_data->renderer,
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parser_data->attr_name, l);
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g_free (parser_data->attr_name);
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parser_data->attr_name = NULL;
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gtk_cell_layout_add_attribute (data->cell_layout,
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data->renderer,
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data->attr_name,
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g_value_get_int (&val));
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g_free (data->attr_name);
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data->attr_name = NULL;
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g_string_set_size (data->string, 0);
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}
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static const GMarkupParser attributes_parser =
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{
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attributes_start_element,
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NULL,
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attributes_text_element,
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attributes_end_element,
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attributes_text_element
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};
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@ -747,33 +776,48 @@ cell_packing_start_element (GMarkupParseContext *context,
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gpointer user_data,
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GError **error)
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{
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CellPackingSubParserData *parser_data = (CellPackingSubParserData*)user_data;
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guint i;
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CellPackingSubParserData *data = (CellPackingSubParserData*)user_data;
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if (strcmp (element_name, "property") == 0)
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{
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for (i = 0; names[i]; i++)
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if (strcmp (names[i], "name") == 0)
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parser_data->cell_prop_name = g_strdup (values[i]);
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else if (strcmp (names[i], "translatable") == 0)
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{
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if (!_gtk_builder_boolean_from_string (values[i],
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&parser_data->translatable,
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error))
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return;
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}
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else if (strcmp (names[i], "comments") == 0)
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; /* for translators */
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else if (strcmp (names[i], "context") == 0)
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parser_data->context = g_strdup (values[i]);
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else
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g_warning ("Unsupported attribute for GtkCellLayout Cell "
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"property: %s\n", names[i]);
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const gchar *name;
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gboolean translatable = FALSE;
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const gchar *ctx = NULL;
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if (!_gtk_builder_check_parent (data->builder, context, "cell-packing", error))
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return;
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if (!g_markup_collect_attributes (element_name, names, values, error,
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G_MARKUP_COLLECT_STRING, "name", &name,
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G_MARKUP_COLLECT_BOOLEAN|G_MARKUP_COLLECT_OPTIONAL, "translatable", &translatable,
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G_MARKUP_COLLECT_STRING|G_MARKUP_COLLECT_OPTIONAL, "comments", NULL,
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G_MARKUP_COLLECT_STRING|G_MARKUP_COLLECT_OPTIONAL, "context", &ctx,
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G_MARKUP_COLLECT_INVALID))
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{
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_gtk_builder_prefix_error (data->builder, context, error);
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return;
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}
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data->cell_prop_name = g_strdup (name);
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data->translatable = translatable;
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data->context = g_strdup (ctx);
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}
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else if (strcmp (element_name, "cell-packing") == 0)
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return;
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{
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if (!_gtk_builder_check_parent (data->builder, context, "child", error))
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return;
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if (!g_markup_collect_attributes (element_name, names, values, error,
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G_MARKUP_COLLECT_INVALID, NULL, NULL,
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G_MARKUP_COLLECT_INVALID))
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_gtk_builder_prefix_error (data->builder, context, error);
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}
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else
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g_warning ("Unsupported tag for GtkCellLayout: %s\n", element_name);
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{
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_gtk_builder_error_unhandled_tag (data->builder, context,
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"GtkCellLayout", element_name,
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error);
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}
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}
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static void
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@ -783,10 +827,10 @@ cell_packing_text_element (GMarkupParseContext *context,
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gpointer user_data,
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GError **error)
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{
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CellPackingSubParserData *parser_data = (CellPackingSubParserData*)user_data;
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CellPackingSubParserData *data = (CellPackingSubParserData*)user_data;
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if (parser_data->cell_prop_name)
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g_string_append_len (parser_data->string, text, text_len);
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if (data->cell_prop_name)
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g_string_append_len (data->string, text, text_len);
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}
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static void
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@ -795,44 +839,44 @@ cell_packing_end_element (GMarkupParseContext *context,
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gpointer user_data,
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GError **error)
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{
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CellPackingSubParserData *parser_data = (CellPackingSubParserData*)user_data;
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CellPackingSubParserData *data = (CellPackingSubParserData*)user_data;
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GtkCellArea *area;
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area = gtk_cell_layout_get_area (parser_data->cell_layout);
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area = gtk_cell_layout_get_area (data->cell_layout);
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if (area)
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{
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/* translate the string */
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if (parser_data->string->len && parser_data->translatable)
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if (data->string->len && data->translatable)
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{
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const gchar *translated;
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const gchar* domain;
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domain = gtk_builder_get_translation_domain (parser_data->builder);
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domain = gtk_builder_get_translation_domain (data->builder);
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translated = _gtk_builder_parser_translate (domain,
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parser_data->context,
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parser_data->string->str);
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g_string_assign (parser_data->string, translated);
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data->context,
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data->string->str);
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g_string_assign (data->string, translated);
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}
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if (parser_data->cell_prop_name)
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gtk_cell_layout_buildable_set_cell_property (area,
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parser_data->builder,
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parser_data->renderer,
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parser_data->cell_prop_name,
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parser_data->string->str);
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if (data->cell_prop_name)
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gtk_cell_layout_buildable_set_cell_property (area,
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data->builder,
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data->renderer,
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data->cell_prop_name,
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data->string->str);
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}
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else
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g_warning ("%s does not have an internal GtkCellArea class and cannot apply child cell properties",
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g_type_name (G_OBJECT_TYPE (parser_data->cell_layout)));
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g_type_name (G_OBJECT_TYPE (data->cell_layout)));
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g_string_set_size (parser_data->string, 0);
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g_free (parser_data->cell_prop_name);
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g_free (parser_data->context);
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parser_data->cell_prop_name = NULL;
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parser_data->context = NULL;
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parser_data->translatable = FALSE;
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g_string_set_size (data->string, 0);
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g_free (data->cell_prop_name);
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g_free (data->context);
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data->cell_prop_name = NULL;
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data->context = NULL;
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data->translatable = FALSE;
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}
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@ -840,7 +884,7 @@ static const GMarkupParser cell_packing_parser =
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{
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cell_packing_start_element,
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cell_packing_end_element,
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cell_packing_text_element,
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cell_packing_text_element
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};
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gboolean
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@ -862,10 +906,13 @@ _gtk_cell_layout_buildable_custom_tag_start (GtkBuildable *buildable,
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attr_data = g_slice_new0 (AttributesSubParserData);
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attr_data->cell_layout = GTK_CELL_LAYOUT (buildable);
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attr_data->renderer = GTK_CELL_RENDERER (child);
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attr_data->builder = builder;
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attr_data->attr_name = NULL;
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attr_data->string = g_string_new ("");
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*parser = attributes_parser;
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*data = attr_data;
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return TRUE;
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}
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else if (strcmp (tagname, "cell-packing") == 0)
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@ -878,6 +925,7 @@ _gtk_cell_layout_buildable_custom_tag_start (GtkBuildable *buildable,
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*parser = cell_packing_parser;
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*data = packing_data;
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return TRUE;
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}
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@ -898,7 +946,9 @@ _gtk_cell_layout_buildable_custom_tag_end (GtkBuildable *buildable,
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{
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attr_data = (AttributesSubParserData*)data;
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g_assert (!attr_data->attr_name);
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g_string_free (attr_data->string, TRUE);
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g_slice_free (AttributesSubParserData, attr_data);
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return TRUE;
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}
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else if (strcmp (tagname, "cell-packing") == 0)
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@ -906,6 +956,7 @@ _gtk_cell_layout_buildable_custom_tag_end (GtkBuildable *buildable,
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packing_data = (CellPackingSubParserData *)data;
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g_string_free (packing_data->string, TRUE);
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g_slice_free (CellPackingSubParserData, packing_data);
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return TRUE;
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}
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return FALSE;
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