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a11y: get_default_attributes implementation on cally-text
See http://bugzilla.clutter-project.org/show_bug.cgi?id=1733
This commit is contained in:
Philippe Normand
Alejandro Piñeiro
parent
6812ed7d3a
commit
ae0aa9e4cf
@ -133,6 +133,7 @@ static AtkAttributeSet* cally_text_get_run_attributes (AtkText *text,
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gint offset,
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gint *start_offset,
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gint *end_offset);
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static AtkAttributeSet* cally_text_get_default_attributes (AtkText *text);
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static void _cally_text_get_selection_bounds (ClutterText *clutter_text,
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gint *start_offset,
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gint *end_offset);
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@ -179,6 +180,9 @@ static AtkAttributeSet* _cally_misc_layout_get_run_attributes (AtkAttributeS
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gint *start_offset,
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gint *end_offset);
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static AtkAttributeSet* _cally_misc_layout_get_default_attributes (AtkAttributeSet *attrib_set,
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ClutterText *text);
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G_DEFINE_TYPE_WITH_CODE (CallyText,
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cally_text,
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CALLY_TYPE_ACTOR,
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@ -393,7 +397,7 @@ cally_text_text_interface_init (AtkTextIface *iface)
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iface->remove_selection = cally_text_remove_selection;
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iface->set_selection = cally_text_set_selection;
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iface->get_run_attributes = cally_text_get_run_attributes;
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/* iface->get_default_attributes = cally_text_get_default_attributes; */
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iface->get_default_attributes = cally_text_get_default_attributes;
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/* iface->get_character_extents = */
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/* iface->get_offset_at_point = */
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@ -757,6 +761,24 @@ cally_text_get_run_attributes (AtkText *text,
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return at_set;
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}
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static AtkAttributeSet*
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cally_text_get_default_attributes (AtkText *text)
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{
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ClutterActor *actor = NULL;
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ClutterText *clutter_text = NULL;
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AtkAttributeSet *at_set = NULL;
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actor = CALLY_GET_CLUTTER_ACTOR (text);
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if (actor == NULL) /* State is defunct */
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return NULL;
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clutter_text = CLUTTER_TEXT (actor);
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at_set = _cally_misc_layout_get_default_attributes (at_set, clutter_text);
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return at_set;
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}
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/******** Auxiliar private methods ******/
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/* ClutterText only maintains the current cursor position and a extra selection
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@ -1341,3 +1363,180 @@ _cally_misc_layout_get_run_attributes (AtkAttributeSet *attrib_set,
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}
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/**
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* _cally_misc_layout_get_default_attributes:
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*
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* Reimplementation of gail_misc_layout_get_default_attributes (check this
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* function for more documentation).
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*
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* Returns: A pointer to the #AtkAttributeSet.
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**/
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static AtkAttributeSet*
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_cally_misc_layout_get_default_attributes (AtkAttributeSet *attrib_set,
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ClutterText *clutter_text)
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{
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PangoLayout *layout;
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PangoContext *context;
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PangoLanguage* language;
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PangoFontDescription* font;
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PangoWrapMode mode;
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gchar *value = NULL;
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gint int_value;
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ClutterTextDirection text_direction;
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PangoAttrIterator *iter;
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PangoAttrList *attr;
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text_direction = clutter_actor_get_text_direction (CLUTTER_ACTOR (clutter_text));
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switch (text_direction)
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{
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case CLUTTER_TEXT_DIRECTION_DEFAULT:
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value = g_strdup ("none");
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break;
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case CLUTTER_TEXT_DIRECTION_LTR:
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value = g_strdup ("ltr");
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break;
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case CLUTTER_TEXT_DIRECTION_RTL:
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value = g_strdup ("rtl");
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break;
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default:
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value = g_strdup ("none");
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break;
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}
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attrib_set = _cally_misc_add_attribute (attrib_set,
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ATK_TEXT_ATTR_DIRECTION,
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value);
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layout = clutter_text_get_layout (clutter_text);
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context = pango_layout_get_context (layout);
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if (context)
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{
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if ((language = pango_context_get_language (context)))
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{
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value = g_strdup (pango_language_to_string (language));
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attrib_set = _cally_misc_add_attribute (attrib_set,
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ATK_TEXT_ATTR_LANGUAGE, value);
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}
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if ((font = pango_context_get_font_description (context)))
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{
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value = g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_STYLE,
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pango_font_description_get_style (font)));
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attrib_set = _cally_misc_add_attribute (attrib_set,
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ATK_TEXT_ATTR_STYLE,
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value);
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value = g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_VARIANT,
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pango_font_description_get_variant (font)));
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attrib_set = _cally_misc_add_attribute (attrib_set,
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ATK_TEXT_ATTR_VARIANT, value);
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value = g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_STRETCH,
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pango_font_description_get_stretch (font)));
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attrib_set = _cally_misc_add_attribute (attrib_set,
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ATK_TEXT_ATTR_STRETCH, value);
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value = g_strdup (pango_font_description_get_family (font));
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attrib_set = _cally_misc_add_attribute (attrib_set,
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ATK_TEXT_ATTR_FAMILY_NAME, value);
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value = g_strdup_printf ("%d", pango_font_description_get_weight (font));
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attrib_set = _cally_misc_add_attribute (attrib_set,
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ATK_TEXT_ATTR_WEIGHT, value);
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value = g_strdup_printf ("%i", pango_font_description_get_size (font) / PANGO_SCALE);
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attrib_set = _cally_misc_add_attribute (attrib_set,
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ATK_TEXT_ATTR_SIZE, value);
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}
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}
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if (pango_layout_get_justify (layout))
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int_value = 3;
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else
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{
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PangoAlignment align;
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align = pango_layout_get_alignment (layout);
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if (align == PANGO_ALIGN_LEFT)
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int_value = 0;
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else if (align == PANGO_ALIGN_CENTER)
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int_value = 2;
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else /* if (align == PANGO_ALIGN_RIGHT) */
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int_value = 1;
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}
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value = g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_JUSTIFICATION,
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int_value));
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attrib_set = _cally_misc_add_attribute (attrib_set,
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ATK_TEXT_ATTR_JUSTIFICATION,
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value);
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mode = pango_layout_get_wrap (layout);
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if (mode == PANGO_WRAP_WORD)
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int_value = 2;
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else /* if (mode == PANGO_WRAP_CHAR) */
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int_value = 1;
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value = g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_WRAP_MODE,
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int_value));
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attrib_set = _cally_misc_add_attribute (attrib_set,
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ATK_TEXT_ATTR_WRAP_MODE, value);
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if ((attr = clutter_text_get_attributes (clutter_text)))
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{
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iter = pango_attr_list_get_iterator (attr);
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/* Get attributes */
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attrib_set = _cally_misc_layout_atk_attributes_from_pango (attrib_set, iter);
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pango_attr_iterator_destroy (iter);
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}
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if (!_cally_misc_find_atk_attribute (attrib_set, ATK_TEXT_ATTR_FG_COLOR))
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attrib_set = _cally_misc_add_actor_color_to_attribute_set (attrib_set,
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clutter_text);
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value = g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_FG_STIPPLE, 0));
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attrib_set = _cally_misc_add_attribute (attrib_set,
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ATK_TEXT_ATTR_FG_STIPPLE,
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value);
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value = g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_BG_STIPPLE, 0));
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attrib_set = _cally_misc_add_attribute (attrib_set,
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ATK_TEXT_ATTR_BG_STIPPLE,
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value);
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attrib_set = _cally_misc_add_attribute (attrib_set,
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ATK_TEXT_ATTR_BG_FULL_HEIGHT,
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g_strdup_printf ("%i", 0));
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attrib_set = _cally_misc_add_attribute (attrib_set,
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ATK_TEXT_ATTR_PIXELS_INSIDE_WRAP,
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g_strdup_printf ("%i", 0));
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attrib_set = _cally_misc_add_attribute (attrib_set,
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ATK_TEXT_ATTR_PIXELS_BELOW_LINES,
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g_strdup_printf ("%i", 0));
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attrib_set = _cally_misc_add_attribute (attrib_set,
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ATK_TEXT_ATTR_PIXELS_ABOVE_LINES,
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g_strdup_printf ("%i", 0));
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value = g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_EDITABLE,
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clutter_text_get_editable (clutter_text)));
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attrib_set = _cally_misc_add_attribute (attrib_set,
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ATK_TEXT_ATTR_EDITABLE,
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value);
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value = g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_INVISIBLE,
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!CLUTTER_ACTOR_IS_VISIBLE (clutter_text)));
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attrib_set = _cally_misc_add_attribute (attrib_set,
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ATK_TEXT_ATTR_INVISIBLE, value);
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value = g_strdup_printf ("%i", pango_layout_get_indent (layout));
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attrib_set = _cally_misc_add_attribute (attrib_set,
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ATK_TEXT_ATTR_INDENT, value);
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attrib_set = _cally_misc_add_attribute (attrib_set,
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ATK_TEXT_ATTR_RIGHT_MARGIN,
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g_strdup_printf ("%i", 0));
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attrib_set = _cally_misc_add_attribute (attrib_set,
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ATK_TEXT_ATTR_LEFT_MARGIN,
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g_strdup_printf ("%i", 0));
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return attrib_set;
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}
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@ -126,6 +126,32 @@ test_atk_text (ClutterActor *actor)
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}
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static void
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dump_actor_default_atk_attributes (ClutterActor *actor)
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{
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AtkObject *object = NULL;
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AtkText *cally_text = NULL;
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AtkAttributeSet *at_set = NULL;
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GSList *attrs;
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const gchar *text_value = NULL;
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object = atk_gobject_accessible_for_object (G_OBJECT (actor));
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cally_text = ATK_TEXT (object);
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if (!cally_text)
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return;
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text_value = clutter_text_get_text (CLUTTER_TEXT (actor));
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g_print ("text value = %s\n", text_value);
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at_set = atk_text_get_default_attributes (cally_text);
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attrs = (GSList*) at_set;
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while (attrs) {
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AtkAttribute *at = (AtkAttribute *) attrs->data;
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g_print ("text default %s = %s\n", at->name, at->value);
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attrs = g_slist_next (attrs);
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}
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}
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static gboolean
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button_press_cb (ClutterActor *actor,
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@ -155,9 +181,12 @@ make_ui (ClutterActor *stage)
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/* text */
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text_actor = clutter_text_new_full ("Sans Bold 32px",
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"Lorem ipsum dolor sit amet",
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"",
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&color_text);
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clutter_text_set_markup (CLUTTER_TEXT(text_actor),
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"<span fgcolor=\"#FFFF00\" bgcolor=\"#00FF00\"><s>Lorem ipsum dolor sit amet</s></span>");
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clutter_container_add_actor (CLUTTER_CONTAINER (stage), text_actor);
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dump_actor_default_atk_attributes (text_actor);
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/* text_editable */
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text_editable_actor = clutter_text_new_full ("Sans Bold 32px",
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@ -171,6 +200,7 @@ make_ui (ClutterActor *stage)
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clutter_text_set_line_wrap (CLUTTER_TEXT (text_editable_actor), TRUE);
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clutter_actor_grab_key_focus (text_editable_actor);
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clutter_actor_set_reactive (text_editable_actor, TRUE);
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dump_actor_default_atk_attributes (text_editable_actor);
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clutter_container_add_actor (CLUTTER_CONTAINER (stage), text_editable_actor);
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