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 2015-04-22 19:21:38 -05:00
parent 2c807335c4
commit 5e7fd924c4

View File

@ -622,7 +622,9 @@ gtk_cell_layout_get_area (GtkCellLayout *cell_layout)
typedef struct {
GtkCellLayout *cell_layout;
GtkCellRenderer *renderer;
GtkBuilder *builder;
gchar *attr_name;
GString *string;
} AttributesSubParserData;
static void
@ -633,19 +635,41 @@ attributes_start_element (GMarkupParseContext *context,
gpointer user_data,
GError **error)
{
AttributesSubParserData *parser_data = (AttributesSubParserData*)user_data;
guint i;
AttributesSubParserData *data = (AttributesSubParserData*)user_data;
if (strcmp (element_name, "attribute") == 0)
{
for (i = 0; names[i]; i++)
if (strcmp (names[i], "name") == 0)
parser_data->attr_name = g_strdup (values[i]);
const gchar *name;
if (!_gtk_builder_check_parent (data->builder, context, "attributes", error))
return;
if (!g_markup_collect_attributes (element_name, names, values, error,
G_MARKUP_COLLECT_STRING, "name", &name,
G_MARKUP_COLLECT_INVALID))
{
_gtk_builder_prefix_error (data->builder, context, error);
return;
}
data->attr_name = g_strdup (name);
}
else if (strcmp (element_name, "attributes") == 0)
{
if (!_gtk_builder_check_parent (data->builder, context, "child", error))
return;
if (!g_markup_collect_attributes (element_name, names, values, error,
G_MARKUP_COLLECT_INVALID, NULL, NULL,
G_MARKUP_COLLECT_INVALID))
_gtk_builder_prefix_error (data->builder, context, error);
}
else
g_warning ("Unsupported tag for GtkCellLayout: %s\n", element_name);
{
_gtk_builder_error_unhandled_tag (data->builder, context,
"GtkCellLayout", element_name,
error);
}
}
static void
@ -655,41 +679,46 @@ attributes_text_element (GMarkupParseContext *context,
gpointer user_data,
GError **error)
{
AttributesSubParserData *parser_data = (AttributesSubParserData*)user_data;
glong l;
gchar *endptr;
gchar *string;
AttributesSubParserData *data = (AttributesSubParserData*)user_data;
if (!parser_data->attr_name)
if (data->attr_name)
g_string_append_len (data->string, text, text_len);
}
static void
attributes_end_element (GMarkupParseContext *context,
const gchar *element_name,
gpointer user_data,
GError **error)
{
AttributesSubParserData *data = (AttributesSubParserData*)user_data;
GValue val = G_VALUE_INIT;
if (!data->attr_name)
return;
string = g_strndup (text, text_len);
errno = 0;
l = g_ascii_strtoll (string, &endptr, 0);
if (errno || endptr == string)
if (!gtk_builder_value_from_string_type (data->builder, G_TYPE_INT, data->string->str, &val, error))
{
g_set_error (error,
GTK_BUILDER_ERROR,
GTK_BUILDER_ERROR_INVALID_VALUE,
"Could not parse integer `%s'",
string);
g_free (string);
_gtk_builder_prefix_error (data->builder, context, error);
return;
}
g_free (string);
gtk_cell_layout_add_attribute (parser_data->cell_layout,
parser_data->renderer,
parser_data->attr_name, l);
g_free (parser_data->attr_name);
parser_data->attr_name = NULL;
gtk_cell_layout_add_attribute (data->cell_layout,
data->renderer,
data->attr_name,
g_value_get_int (&val));
g_free (data->attr_name);
data->attr_name = NULL;
g_string_set_size (data->string, 0);
}
static const GMarkupParser attributes_parser =
{
attributes_start_element,
NULL,
attributes_text_element,
attributes_end_element,
attributes_text_element
};
@ -747,33 +776,48 @@ cell_packing_start_element (GMarkupParseContext *context,
gpointer user_data,
GError **error)
{
CellPackingSubParserData *parser_data = (CellPackingSubParserData*)user_data;
guint i;
CellPackingSubParserData *data = (CellPackingSubParserData*)user_data;
if (strcmp (element_name, "property") == 0)
{
for (i = 0; names[i]; i++)
if (strcmp (names[i], "name") == 0)
parser_data->cell_prop_name = g_strdup (values[i]);
else if (strcmp (names[i], "translatable") == 0)
const gchar *name;
gboolean translatable = FALSE;
const gchar *ctx = NULL;
if (!_gtk_builder_check_parent (data->builder, context, "cell-packing", error))
return;
if (!g_markup_collect_attributes (element_name, names, values, error,
G_MARKUP_COLLECT_STRING, "name", &name,
G_MARKUP_COLLECT_BOOLEAN|G_MARKUP_COLLECT_OPTIONAL, "translatable", &translatable,
G_MARKUP_COLLECT_STRING|G_MARKUP_COLLECT_OPTIONAL, "comments", NULL,
G_MARKUP_COLLECT_STRING|G_MARKUP_COLLECT_OPTIONAL, "context", &ctx,
G_MARKUP_COLLECT_INVALID))
{
if (!_gtk_builder_boolean_from_string (values[i],
&parser_data->translatable,
error))
_gtk_builder_prefix_error (data->builder, context, error);
return;
}
else if (strcmp (names[i], "comments") == 0)
; /* for translators */
else if (strcmp (names[i], "context") == 0)
parser_data->context = g_strdup (values[i]);
else
g_warning ("Unsupported attribute for GtkCellLayout Cell "
"property: %s\n", names[i]);
data->cell_prop_name = g_strdup (name);
data->translatable = translatable;
data->context = g_strdup (ctx);
}
else if (strcmp (element_name, "cell-packing") == 0)
{
if (!_gtk_builder_check_parent (data->builder, context, "child", error))
return;
if (!g_markup_collect_attributes (element_name, names, values, error,
G_MARKUP_COLLECT_INVALID, NULL, NULL,
G_MARKUP_COLLECT_INVALID))
_gtk_builder_prefix_error (data->builder, context, error);
}
else
g_warning ("Unsupported tag for GtkCellLayout: %s\n", element_name);
{
_gtk_builder_error_unhandled_tag (data->builder, context,
"GtkCellLayout", element_name,
error);
}
}
static void
@ -783,10 +827,10 @@ cell_packing_text_element (GMarkupParseContext *context,
gpointer user_data,
GError **error)
{
CellPackingSubParserData *parser_data = (CellPackingSubParserData*)user_data;
CellPackingSubParserData *data = (CellPackingSubParserData*)user_data;
if (parser_data->cell_prop_name)
g_string_append_len (parser_data->string, text, text_len);
if (data->cell_prop_name)
g_string_append_len (data->string, text, text_len);
}
static void
@ -795,44 +839,44 @@ cell_packing_end_element (GMarkupParseContext *context,
gpointer user_data,
GError **error)
{
CellPackingSubParserData *parser_data = (CellPackingSubParserData*)user_data;
CellPackingSubParserData *data = (CellPackingSubParserData*)user_data;
GtkCellArea *area;
area = gtk_cell_layout_get_area (parser_data->cell_layout);
area = gtk_cell_layout_get_area (data->cell_layout);
if (area)
{
/* translate the string */
if (parser_data->string->len && parser_data->translatable)
if (data->string->len && data->translatable)
{
const gchar *translated;
const gchar* domain;
domain = gtk_builder_get_translation_domain (parser_data->builder);
domain = gtk_builder_get_translation_domain (data->builder);
translated = _gtk_builder_parser_translate (domain,
parser_data->context,
parser_data->string->str);
g_string_assign (parser_data->string, translated);
data->context,
data->string->str);
g_string_assign (data->string, translated);
}
if (parser_data->cell_prop_name)
if (data->cell_prop_name)
gtk_cell_layout_buildable_set_cell_property (area,
parser_data->builder,
parser_data->renderer,
parser_data->cell_prop_name,
parser_data->string->str);
data->builder,
data->renderer,
data->cell_prop_name,
data->string->str);
}
else
g_warning ("%s does not have an internal GtkCellArea class and cannot apply child cell properties",
g_type_name (G_OBJECT_TYPE (parser_data->cell_layout)));
g_type_name (G_OBJECT_TYPE (data->cell_layout)));
g_string_set_size (parser_data->string, 0);
g_free (parser_data->cell_prop_name);
g_free (parser_data->context);
parser_data->cell_prop_name = NULL;
parser_data->context = NULL;
parser_data->translatable = FALSE;
g_string_set_size (data->string, 0);
g_free (data->cell_prop_name);
g_free (data->context);
data->cell_prop_name = NULL;
data->context = NULL;
data->translatable = FALSE;
}
@ -840,7 +884,7 @@ static const GMarkupParser cell_packing_parser =
{
cell_packing_start_element,
cell_packing_end_element,
cell_packing_text_element,
cell_packing_text_element
};
gboolean
@ -862,10 +906,13 @@ _gtk_cell_layout_buildable_custom_tag_start (GtkBuildable *buildable,
attr_data = g_slice_new0 (AttributesSubParserData);
attr_data->cell_layout = GTK_CELL_LAYOUT (buildable);
attr_data->renderer = GTK_CELL_RENDERER (child);
attr_data->builder = builder;
attr_data->attr_name = NULL;
attr_data->string = g_string_new ("");
*parser = attributes_parser;
*data = attr_data;
return TRUE;
}
else if (strcmp (tagname, "cell-packing") == 0)
@ -878,6 +925,7 @@ _gtk_cell_layout_buildable_custom_tag_start (GtkBuildable *buildable,
*parser = cell_packing_parser;
*data = packing_data;
return TRUE;
}
@ -898,7 +946,9 @@ _gtk_cell_layout_buildable_custom_tag_end (GtkBuildable *buildable,
{
attr_data = (AttributesSubParserData*)data;
g_assert (!attr_data->attr_name);
g_string_free (attr_data->string, TRUE);
g_slice_free (AttributesSubParserData, attr_data);
return TRUE;
}
else if (strcmp (tagname, "cell-packing") == 0)
@ -906,6 +956,7 @@ _gtk_cell_layout_buildable_custom_tag_end (GtkBuildable *buildable,
packing_data = (CellPackingSubParserData *)data;
g_string_free (packing_data->string, TRUE);
g_slice_free (CellPackingSubParserData, packing_data);
return TRUE;
}
return FALSE;