static AtkAttributeSet*
gtk_label_accessible_get_run_attributes (AtkText *text,
gint offset,
gint *start_offset,
gint *end_offset)
{
GtkWidget *widget;
AtkAttributeSet *attributes;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
if (widget == NULL)
return NULL;
attributes = NULL;
attributes = add_attribute (attributes, ATK_TEXT_ATTR_DIRECTION,
atk_text_attribute_get_value (ATK_TEXT_ATTR_DIRECTION,
gtk_widget_get_direction (widget)));
attributes = _gtk_pango_get_run_attributes (attributes,
gtk_label_get_layout (GTK_LABEL (widget)),
offset,
start_offset,
end_offset);
return attributes;
}
static AtkAttributeSet*
gail_button_get_run_attributes (AtkText *text,
gint offset,
gint *start_offset,
gint *end_offset)
{
GtkWidget *widget;
GtkWidget *label;
AtkAttributeSet *at_set = NULL;
GtkJustification justify;
GtkTextDirection dir;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
if (widget == NULL)
/* State is defunct */
return NULL;
label = get_label_from_button (widget, 0, FALSE);
if (!GTK_IS_LABEL(label))
return NULL;
/* Get values set for entire label, if any */
justify = gtk_label_get_justify (GTK_LABEL (label));
if (justify != GTK_JUSTIFY_CENTER)
{
at_set = gail_misc_add_attribute (at_set,
ATK_TEXT_ATTR_JUSTIFICATION,
g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_JUSTIFICATION, justify)));
}
dir = gtk_widget_get_direction (label);
if (dir == GTK_TEXT_DIR_RTL)
{
at_set = gail_misc_add_attribute (at_set,
ATK_TEXT_ATTR_DIRECTION,
g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_DIRECTION, dir)));
}
at_set = gail_misc_layout_get_run_attributes (at_set,
gtk_label_get_layout (GTK_LABEL (label)),
(gchar *) gtk_label_get_text (GTK_LABEL (label)),
offset,
start_offset,
end_offset);
return at_set;
}
static AtkAttributeSet*
gail_notebook_page_get_run_attributes (AtkText *text,
gint offset,
gint *start_offset,
gint *end_offset)
{
GtkWidget *label;
GailNotebookPage *notebook_page;
AtkAttributeSet *at_set = NULL;
GtkJustification justify;
GtkTextDirection dir;
notebook_page = GAIL_NOTEBOOK_PAGE (text);
label = get_label_from_notebook_page (notebook_page);
if (!GTK_IS_LABEL(label))
return NULL;
/* Get values set for entire label, if any */
justify = gtk_label_get_justify (GTK_LABEL (label));
if (justify != GTK_JUSTIFY_CENTER)
{
at_set = gail_misc_add_attribute (at_set,
ATK_TEXT_ATTR_JUSTIFICATION,
g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_JUSTIFICATION, justify)));
}
dir = gtk_widget_get_direction (label);
if (dir == GTK_TEXT_DIR_RTL)
{
at_set = gail_misc_add_attribute (at_set,
ATK_TEXT_ATTR_DIRECTION,
g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_DIRECTION, dir)));
}
at_set = gail_misc_layout_get_run_attributes (at_set,
gtk_label_get_layout (GTK_LABEL (label)),
(gchar *) gtk_label_get_text (GTK_LABEL (label)),
offset,
start_offset,
end_offset);
return at_set;
}
static AtkAttributeSet*
gail_scale_get_run_attributes (AtkText *text,
gint offset,
gint *start_offset,
gint *end_offset)
{
GtkWidget *widget;
GtkScale *scale;
AtkAttributeSet *at_set = NULL;
GtkTextDirection dir;
PangoLayout *layout;
const gchar *scale_text;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
if (widget == NULL)
/* State is defunct */
return NULL;
scale = GTK_SCALE (widget);
layout = gtk_scale_get_layout (scale);
if (!layout)
return at_set;
scale_text = pango_layout_get_text (layout);
if (!scale_text)
return at_set;
dir = gtk_widget_get_direction (widget);
if (dir == GTK_TEXT_DIR_RTL)
{
at_set = gail_misc_add_attribute (at_set,
ATK_TEXT_ATTR_DIRECTION,
g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_DIRECTION, dir)));
}
at_set = gail_misc_layout_get_run_attributes (at_set,
layout,
(gchar *)scale_text,
offset,
start_offset,
end_offset);
return at_set;
}
static AtkAttributeSet *
gtk_label_accessible_get_default_attributes (AtkText *text)
{
GtkWidget *widget;
AtkAttributeSet *attributes;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
if (widget == NULL)
return NULL;
attributes = NULL;
attributes = add_attribute (attributes, ATK_TEXT_ATTR_DIRECTION,
atk_text_attribute_get_value (ATK_TEXT_ATTR_DIRECTION,
gtk_widget_get_direction (widget)));
attributes = _gtk_pango_get_default_attributes (attributes,
gtk_label_get_layout (GTK_LABEL (widget)));
attributes = _gtk_style_context_get_attributes (attributes,
gtk_widget_get_style_context (widget),
gtk_widget_get_state_flags (widget));
return attributes;
}
static AtkAttributeSet *
gtk_text_cell_accessible_get_default_attributes (AtkText *text)
{
AtkAttributeSet *attrib_set = NULL;
PangoLayout *layout;
GtkWidget *widget;
layout = create_pango_layout (GTK_TEXT_CELL_ACCESSIBLE (text));
widget = get_widget (GTK_TEXT_CELL_ACCESSIBLE (text));
attrib_set = add_attribute (attrib_set, ATK_TEXT_ATTR_DIRECTION,
atk_text_attribute_get_value (ATK_TEXT_ATTR_DIRECTION,
gtk_widget_get_direction (widget)));
attrib_set = _gtk_pango_get_default_attributes (NULL, layout);
attrib_set = _gtk_style_context_get_attributes (attrib_set,
gtk_widget_get_style_context (widget),
gtk_widget_get_state_flags (widget));
g_object_unref (G_OBJECT (layout));
return attrib_set;
}
static VALUE
rg_get_value(VALUE self, VALUE index)
{
return CSTR2RVAL(atk_text_attribute_get_value(RVAL2ATKTEXTATTRIBUTE(self),
NUM2INT(index)));
}
static AtkAttributeSet *
get_run_attributes (PangoAttrList *attrs,
const gchar *text,
gint offset,
gint *start_offset,
gint *end_offset)
{
AtkAttributeSet *atk_attr_set = NULL;
PangoAttrString *pango_string;
PangoAttrInt *pango_int;
PangoAttrColor *pango_color;
PangoAttrIterator *iter;
gint i, start, end;
gboolean has_attrs = FALSE;
glong text_length;
gchar *attr_value;
text_length = g_utf8_strlen (text, -1);
if (offset < 0 || offset >= text_length)
return NULL;
/* Check if there are attributes for the offset,
* and set the attributes range if positive */
iter = pango_attr_list_get_iterator (attrs);
i = g_utf8_offset_to_pointer (text, offset) - text;
do {
pango_attr_iterator_range (iter, &start, &end);
if (i >= start && i < end) {
*start_offset = g_utf8_pointer_to_offset (text, text + start);
if (end == G_MAXINT) /* Last iterator */
end = text_length;
*end_offset = g_utf8_pointer_to_offset (text, text + end);
has_attrs = TRUE;
}
} while (!has_attrs && pango_attr_iterator_next (iter));
if (!has_attrs) {
pango_attr_iterator_destroy (iter);
return NULL;
}
/* Create the AtkAttributeSet from the Pango attributes */
pango_string = (PangoAttrString *) pango_attr_iterator_get (iter, PANGO_ATTR_FAMILY);
if (pango_string) {
attr_value = g_strdup (pango_string->value);
atk_attr_set = add_attribute (atk_attr_set, ATK_TEXT_ATTR_FAMILY_NAME, attr_value);
}
pango_int = (PangoAttrInt *) pango_attr_iterator_get (iter, PANGO_ATTR_SIZE);
if (pango_int) {
attr_value = g_strdup_printf ("%i", pango_int->value / PANGO_SCALE);
atk_attr_set = add_attribute (atk_attr_set, ATK_TEXT_ATTR_SIZE, attr_value);
}
pango_int = (PangoAttrInt *) pango_attr_iterator_get (iter, PANGO_ATTR_UNDERLINE);
if (pango_int) {
atk_attr_set = add_attribute (atk_attr_set,
ATK_TEXT_ATTR_UNDERLINE,
g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_UNDERLINE,
pango_int->value)));
}
pango_color = (PangoAttrColor *) pango_attr_iterator_get (iter, PANGO_ATTR_FOREGROUND);
if (pango_color) {
attr_value = g_strdup_printf ("%u,%u,%u",
pango_color->color.red,
pango_color->color.green,
pango_color->color.blue);
atk_attr_set = add_attribute (atk_attr_set, ATK_TEXT_ATTR_FG_COLOR, attr_value);
}
pango_attr_iterator_destroy (iter);
return atk_attr_set;
}
/**
* gail_misc_buffer_get_run_attributes:
* @buffer: The #GtkTextBuffer for which the attributes will be obtained
* @offset: The offset at which the attributes are required
* @start_offset: The start offset of the current run
* @end_offset: The end offset of the current run
*
* Creates an AtkAttributeSet which contains the attributes for the
* run starting at offset.
*
* Returns: A pointer to the #AtkAttributeSet.
**/
AtkAttributeSet*
gail_misc_buffer_get_run_attributes (GtkTextBuffer *buffer,
gint offset,
gint *start_offset,
gint *end_offset)
{
GtkTextIter iter;
AtkAttributeSet *attrib_set = NULL;
AtkAttribute *at;
GSList *tags, *temp_tags;
gdouble scale = 1;
gboolean val_set = FALSE;
gtk_text_buffer_get_iter_at_offset (buffer, &iter, offset);
gtk_text_iter_forward_to_tag_toggle (&iter, NULL);
*end_offset = gtk_text_iter_get_offset (&iter);
gtk_text_iter_backward_to_tag_toggle (&iter, NULL);
*start_offset = gtk_text_iter_get_offset (&iter);
gtk_text_buffer_get_iter_at_offset (buffer, &iter, offset);
tags = gtk_text_iter_get_tags (&iter);
tags = g_slist_reverse (tags);
temp_tags = tags;
while (temp_tags && !val_set)
{
GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
g_object_get (tag, "style-set", &val_set, NULL);
if (val_set)
{
PangoStyle style;
gchar *value;
g_object_get (tag, "style", &style, NULL);
value = g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_STYLE, style));
attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_STYLE, value);
}
temp_tags = temp_tags->next;
}
val_set = FALSE;
temp_tags = tags;
while (temp_tags && !val_set)
{
GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
g_object_get (tag, "variant-set", &val_set, NULL);
if (val_set)
{
PangoVariant variant;
gchar *value;
g_object_get (tag, "variant", &variant, NULL);
value = g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_VARIANT, variant));
attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_VARIANT, value);
}
temp_tags = temp_tags->next;
}
val_set = FALSE;
temp_tags = tags;
while (temp_tags && !val_set)
{
GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
g_object_get (tag, "stretch-set", &val_set, NULL);
if (val_set)
{
PangoStretch stretch;
gchar *value;
g_object_get (tag, "stretch", &stretch, NULL);
value = g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_STRETCH, stretch));
attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_STRETCH, value);
}
temp_tags = temp_tags->next;
}
val_set = FALSE;
temp_tags = tags;
while (temp_tags && !val_set)
{
GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
g_object_get (tag, "justification-set", &val_set, NULL);
if (val_set)
{
GtkJustification justification;
gchar *value;
g_object_get (tag, "justification", &justification, NULL);
value = g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_JUSTIFICATION, justification));
attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_JUSTIFICATION, value);
}
temp_tags = temp_tags->next;
}
val_set = FALSE;
temp_tags = tags;
while (temp_tags && !val_set)
{
GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
GtkTextDirection direction;
g_object_get (tag, "direction", &direction, NULL);
if (direction != GTK_TEXT_DIR_NONE)
{
gchar *value;
val_set = TRUE;
value = g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_DIRECTION, direction));
attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_DIRECTION, value);
}
temp_tags = temp_tags->next;
}
val_set = FALSE;
temp_tags = tags;
while (temp_tags && !val_set)
{
GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
g_object_get (tag, "wrap-mode-set", &val_set, NULL);
if (val_set)
{
GtkWrapMode wrap_mode;
gchar *value;
g_object_get (tag, "wrap-mode", &wrap_mode, NULL);
value = g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_WRAP_MODE, wrap_mode));
attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_WRAP_MODE, value);
}
temp_tags = temp_tags->next;
}
val_set = FALSE;
temp_tags = tags;
while (temp_tags && !val_set)
{
GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
g_object_get (tag, "foreground-set", &val_set, NULL);
if (val_set)
{
GdkRGBA *rgba;
gchar *value;
g_object_get (tag, "foreground-rgba", &rgba, NULL);
value = g_strdup_printf ("%u,%u,%u",
(guint) rgba->red * 65535,
(guint) rgba->green * 65535,
(guint) rgba->blue * 65535);
gdk_rgba_free (rgba);
attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_FG_COLOR, value);
}
temp_tags = temp_tags->next;
}
val_set = FALSE;
temp_tags = tags;
while (temp_tags && !val_set)
{
GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
g_object_get (tag, "background-set", &val_set, NULL);
if (val_set)
{
GdkRGBA *rgba;
gchar *value;
g_object_get (tag, "background-rgba", &rgba, NULL);
value = g_strdup_printf ("%u,%u,%u",
(guint) rgba->red * 65535,
(guint) rgba->green * 65535,
(guint) rgba->blue * 65535);
gdk_rgba_free (rgba);
attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_BG_COLOR, value);
}
temp_tags = temp_tags->next;
}
val_set = FALSE;
temp_tags = tags;
while (temp_tags && !val_set)
{
GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
g_object_get (tag, "family-set", &val_set, NULL);
if (val_set)
{
gchar *value;
g_object_get (tag, "family", &value, NULL);
attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_FAMILY_NAME, value);
}
temp_tags = temp_tags->next;
}
val_set = FALSE;
temp_tags = tags;
while (temp_tags && !val_set)
{
GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
g_object_get (tag, "language-set", &val_set, NULL);
if (val_set)
{
gchar *value;
g_object_get (tag, "language", &value, NULL);
attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_LANGUAGE, value);
}
temp_tags = temp_tags->next;
}
val_set = FALSE;
temp_tags = tags;
while (temp_tags && !val_set)
{
GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
g_object_get (tag, "weight-set", &val_set, NULL);
if (val_set)
{
gint weight;
gchar *value;
g_object_get (tag, "weight", &weight, NULL);
value = g_strdup_printf ("%d", weight);
attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_WEIGHT, value);
}
temp_tags = temp_tags->next;
}
val_set = FALSE;
/*
* scale is special as the scale is the product of all scale values
* specified.
*/
temp_tags = tags;
while (temp_tags)
{
GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
gboolean scale_set;
g_object_get (tag, "scale-set", &scale_set, NULL);
if (scale_set)
{
gdouble font_scale;
g_object_get (tag, "scale", &font_scale, NULL);
val_set = TRUE;
scale *= font_scale;
}
temp_tags = temp_tags->next;
}
if (val_set)
{
at = g_malloc(sizeof(AtkAttribute));
at->name = g_strdup(atk_text_attribute_get_name (ATK_TEXT_ATTR_SCALE));
at->value = g_strdup_printf("%g", scale);
attrib_set = g_slist_prepend(attrib_set, at);
}
val_set = FALSE;
temp_tags = tags;
while (temp_tags && !val_set)
{
GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
g_object_get (tag, "size-set", &val_set, NULL);
if (val_set)
{
gint size;
gchar *value;
g_object_get (tag, "size", &size, NULL);
value = g_strdup_printf ("%i", size);
attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_SIZE, value);
}
temp_tags = temp_tags->next;
}
val_set = FALSE;
temp_tags = tags;
while (temp_tags && !val_set)
{
GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
g_object_get (tag, "strikethrough-set", &val_set, NULL);
if (val_set)
{
gboolean strikethrough;
gchar *value;
g_object_get (tag, "strikethrough", &strikethrough, NULL);
value = g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_STRIKETHROUGH, strikethrough));
attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_STRIKETHROUGH, value);
}
temp_tags = temp_tags->next;
}
val_set = FALSE;
temp_tags = tags;
while (temp_tags && !val_set)
{
GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
g_object_get (tag, "underline-set", &val_set, NULL);
if (val_set)
{
PangoUnderline underline;
gchar *value;
g_object_get (tag, "underline", &underline, NULL);
value = g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_UNDERLINE, underline));
attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_UNDERLINE, value);
}
temp_tags = temp_tags->next;
}
val_set = FALSE;
temp_tags = tags;
while (temp_tags && !val_set)
{
GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
g_object_get (tag, "rise-set", &val_set, NULL);
if (val_set)
{
gint rise;
gchar *value;
g_object_get (tag, "rise", &rise, NULL);
value = g_strdup_printf ("%i", rise);
attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_RISE, value);
}
temp_tags = temp_tags->next;
}
val_set = FALSE;
temp_tags = tags;
while (temp_tags && !val_set)
{
GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
g_object_get (tag, "background-full-height-set", &val_set, NULL);
if (val_set)
{
gboolean bg_full_height;
gchar *value;
g_object_get (tag, "background-full-height", &bg_full_height, NULL);
value = g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_BG_FULL_HEIGHT, bg_full_height));
attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_BG_FULL_HEIGHT, value);
}
temp_tags = temp_tags->next;
}
val_set = FALSE;
temp_tags = tags;
while (temp_tags && !val_set)
{
GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
g_object_get (tag, "pixels-inside-wrap-set", &val_set, NULL);
if (val_set)
{
gint pixels;
gchar *value;
g_object_get (tag, "pixels-inside-wrap", &pixels, NULL);
value = g_strdup_printf ("%i", pixels);
attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_PIXELS_INSIDE_WRAP, value);
}
temp_tags = temp_tags->next;
}
val_set = FALSE;
temp_tags = tags;
while (temp_tags && !val_set)
{
GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
g_object_get (tag, "pixels-below-lines-set", &val_set, NULL);
if (val_set)
{
gint pixels;
gchar *value;
g_object_get (tag, "pixels-below-lines", &pixels, NULL);
value = g_strdup_printf ("%i", pixels);
attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_PIXELS_BELOW_LINES, value);
}
temp_tags = temp_tags->next;
}
val_set = FALSE;
temp_tags = tags;
while (temp_tags && !val_set)
{
GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
g_object_get (tag, "pixels-above-lines-set", &val_set, NULL);
if (val_set)
{
gint pixels;
gchar *value;
g_object_get (tag, "pixels-above-lines", &pixels, NULL);
value = g_strdup_printf ("%i", pixels);
attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_PIXELS_ABOVE_LINES, value);
}
temp_tags = temp_tags->next;
}
val_set = FALSE;
temp_tags = tags;
while (temp_tags && !val_set)
{
GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
g_object_get (tag, "editable-set", &val_set, NULL);
if (val_set)
{
gboolean editable;
gchar *value;
g_object_get (tag, "editable", &editable, NULL);
value = g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_EDITABLE, editable));
attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_EDITABLE, value);
}
temp_tags = temp_tags->next;
}
val_set = FALSE;
temp_tags = tags;
while (temp_tags && !val_set)
{
GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
g_object_get (tag, "invisible-set", &val_set, NULL);
if (val_set)
{
gboolean invisible;
gchar *value;
g_object_get (tag, "invisible", &invisible, NULL);
value = g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_INVISIBLE, invisible));
attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_INVISIBLE, value);
}
temp_tags = temp_tags->next;
}
val_set = FALSE;
temp_tags = tags;
while (temp_tags && !val_set)
{
GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
g_object_get (tag, "indent-set", &val_set, NULL);
if (val_set)
{
gint indent;
gchar *value;
g_object_get (tag, "indent", &indent, NULL);
value = g_strdup_printf ("%i", indent);
attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_INDENT, value);
}
temp_tags = temp_tags->next;
}
val_set = FALSE;
temp_tags = tags;
while (temp_tags && !val_set)
{
GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
g_object_get (tag, "right-margin-set", &val_set, NULL);
if (val_set)
{
gint margin;
gchar *value;
g_object_get (tag, "right-margin", &margin, NULL);
value = g_strdup_printf ("%i", margin);
attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_RIGHT_MARGIN, value);
}
temp_tags = temp_tags->next;
}
val_set = FALSE;
temp_tags = tags;
while (temp_tags && !val_set)
{
GtkTextTag *tag = GTK_TEXT_TAG (temp_tags->data);
g_object_get (tag, "left-margin-set", &val_set, NULL);
if (val_set)
{
gint margin;
gchar *value;
g_object_get (tag, "left-margin", &margin, NULL);
value = g_strdup_printf ("%i", margin);
attrib_set = gail_misc_add_attribute (attrib_set, ATK_TEXT_ATTR_LEFT_MARGIN, value);
}
temp_tags = temp_tags->next;
}
val_set = FALSE;
g_slist_free (tags);
return attrib_set;
}
/**
* gail_misc_get_default_attributes:
* @attrib_set: The #AtkAttributeSet to add the attribute to
* @layout: The PangoLayout from which the attributes will be obtained
* @widget: The GtkWidget for which the default attributes are required.
*
* Adds the default attributes to the specified attribute set.
*
* Returns: A pointer to the #AtkAttributeSet.
**/
AtkAttributeSet*
gail_misc_get_default_attributes (AtkAttributeSet *attrib_set,
PangoLayout *layout,
GtkWidget *widget)
{
PangoContext *context;
GtkStyleContext *style_context;
gint int_value;
PangoWrapMode mode;
GdkRGBA color;
gchar *value;
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_DIRECTION,
g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_DIRECTION,
gtk_widget_get_direction (widget))));
context = pango_layout_get_context (layout);
if (context)
{
PangoLanguage* language;
PangoFontDescription* font;
language = pango_context_get_language (context);
if (language)
{
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_LANGUAGE,
g_strdup (pango_language_to_string (language)));
}
font = pango_context_get_font_description (context);
if (font)
{
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_STYLE,
g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_STYLE,
pango_font_description_get_style (font))));
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_VARIANT,
g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_VARIANT,
pango_font_description_get_variant (font))));
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_STRETCH,
g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_STRETCH,
pango_font_description_get_stretch (font))));
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_FAMILY_NAME,
g_strdup (pango_font_description_get_family (font)));
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_WEIGHT,
g_strdup_printf ("%d",
pango_font_description_get_weight (font)));
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_SIZE,
g_strdup_printf ("%i",
pango_font_description_get_size (font) / PANGO_SCALE));
}
}
if (pango_layout_get_justify (layout))
{
int_value = 3;
}
else
{
PangoAlignment align;
align = pango_layout_get_alignment (layout);
if (align == PANGO_ALIGN_LEFT)
int_value = 0;
else if (align == PANGO_ALIGN_CENTER)
int_value = 2;
else /* if (align == PANGO_ALIGN_RIGHT) */
int_value = 1;
}
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_JUSTIFICATION,
g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_JUSTIFICATION,
int_value)));
mode = pango_layout_get_wrap (layout);
if (mode == PANGO_WRAP_WORD)
int_value = 2;
else /* if (mode == PANGO_WRAP_CHAR) */
int_value = 1;
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_WRAP_MODE,
g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_WRAP_MODE,
int_value)));
style_context = gtk_widget_get_style_context (widget);
gtk_style_context_get_background_color (style_context, 0, &color);
value = g_strdup_printf ("%u,%u,%u",
(guint) ceil (color.red * 65536 - color.red),
(guint) ceil (color.green * 65536 - color.green),
(guint) ceil (color.blue * 65536 - color.blue));
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_BG_COLOR,
value);
gtk_style_context_get_color (style_context, 0, &color);
value = g_strdup_printf ("%u,%u,%u",
(guint) ceil (color.red * 65536 - color.red),
(guint) ceil (color.green * 65536 - color.green),
(guint) ceil (color.blue * 65536 - color.blue));
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_FG_COLOR,
value);
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_FG_STIPPLE,
g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_FG_STIPPLE,
0)));
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_BG_STIPPLE,
g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_BG_STIPPLE,
0)));
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_STRIKETHROUGH,
g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_STRIKETHROUGH,
0)));
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_UNDERLINE,
g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_UNDERLINE,
0)));
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_RISE,
g_strdup_printf ("%i", 0));
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_SCALE,
g_strdup_printf ("%g", 1.0));
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_BG_FULL_HEIGHT,
g_strdup_printf ("%i", 0));
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_PIXELS_INSIDE_WRAP,
g_strdup_printf ("%i", 0));
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_PIXELS_BELOW_LINES,
g_strdup_printf ("%i", 0));
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_PIXELS_ABOVE_LINES,
g_strdup_printf ("%i", 0));
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_EDITABLE,
g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_EDITABLE,
0)));
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_INVISIBLE,
g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_INVISIBLE,
0)));
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_INDENT,
g_strdup_printf ("%i", 0));
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_RIGHT_MARGIN,
g_strdup_printf ("%i", 0));
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_LEFT_MARGIN,
g_strdup_printf ("%i", 0));
return attrib_set;
}
/**
* gail_misc_layout_get_run_attributes:
* @attrib_set: The #AtkAttributeSet to add the attribute to
* @layout: The PangoLayout from which the attributes will be obtained
* @text: The text
* @offset: The offset at which the attributes are required
* @start_offset: The start offset of the current run
* @end_offset: The end offset of the current run
*
* Adds the attributes for the run starting at offset to the specified
* attribute set.
*
* Returns: A pointer to the #AtkAttributeSet.
**/
AtkAttributeSet*
gail_misc_layout_get_run_attributes (AtkAttributeSet *attrib_set,
PangoLayout *layout,
const gchar *text,
gint offset,
gint *start_offset,
gint *end_offset)
{
PangoAttrIterator *iter;
PangoAttrList *attr;
PangoAttrString *pango_string;
PangoAttrInt *pango_int;
PangoAttrColor *pango_color;
PangoAttrLanguage *pango_lang;
PangoAttrFloat *pango_float;
gint index, start_index, end_index;
gboolean is_next = TRUE;
gchar *value = NULL;
glong len;
len = g_utf8_strlen (text, -1);
/* Grab the attributes of the PangoLayout, if any */
if ((attr = pango_layout_get_attributes (layout)) == NULL)
{
*start_offset = 0;
*end_offset = len;
return attrib_set;
}
iter = pango_attr_list_get_iterator (attr);
/* Get invariant range offsets */
/* If offset out of range, set offset in range */
if (offset > len)
offset = len;
else if (offset < 0)
offset = 0;
index = g_utf8_offset_to_pointer (text, offset) - text;
pango_attr_iterator_range (iter, &start_index, &end_index);
while (is_next)
{
if (index >= start_index && index < end_index)
{
*start_offset = g_utf8_pointer_to_offset (text,
text + start_index);
if (end_index == G_MAXINT)
/* Last iterator */
end_index = len;
*end_offset = g_utf8_pointer_to_offset (text,
text + end_index);
break;
}
is_next = pango_attr_iterator_next (iter);
pango_attr_iterator_range (iter, &start_index, &end_index);
}
/* Get attributes */
if ((pango_string = (PangoAttrString*) pango_attr_iterator_get (iter,
PANGO_ATTR_FAMILY)) != NULL)
{
value = g_strdup_printf("%s", pango_string->value);
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_FAMILY_NAME,
value);
}
if ((pango_int = (PangoAttrInt*) pango_attr_iterator_get (iter,
PANGO_ATTR_STYLE)) != NULL)
{
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_STYLE,
g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_STYLE, pango_int->value)));
}
if ((pango_int = (PangoAttrInt*) pango_attr_iterator_get (iter,
PANGO_ATTR_WEIGHT)) != NULL)
{
value = g_strdup_printf("%i", pango_int->value);
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_WEIGHT,
value);
}
if ((pango_int = (PangoAttrInt*) pango_attr_iterator_get (iter,
PANGO_ATTR_VARIANT)) != NULL)
{
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_VARIANT,
g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_VARIANT, pango_int->value)));
}
if ((pango_int = (PangoAttrInt*) pango_attr_iterator_get (iter,
PANGO_ATTR_STRETCH)) != NULL)
{
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_STRETCH,
g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_STRETCH, pango_int->value)));
}
if ((pango_int = (PangoAttrInt*) pango_attr_iterator_get (iter,
PANGO_ATTR_SIZE)) != NULL)
{
value = g_strdup_printf("%i", pango_int->value / PANGO_SCALE);
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_SIZE,
value);
}
if ((pango_int = (PangoAttrInt*) pango_attr_iterator_get (iter,
PANGO_ATTR_UNDERLINE)) != NULL)
{
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_UNDERLINE,
g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_UNDERLINE, pango_int->value)));
}
if ((pango_int = (PangoAttrInt*) pango_attr_iterator_get (iter,
PANGO_ATTR_STRIKETHROUGH)) != NULL)
{
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_STRIKETHROUGH,
g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_STRIKETHROUGH, pango_int->value)));
}
if ((pango_int = (PangoAttrInt*) pango_attr_iterator_get (iter,
PANGO_ATTR_RISE)) != NULL)
{
value = g_strdup_printf("%i", pango_int->value);
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_RISE,
value);
}
if ((pango_lang = (PangoAttrLanguage*) pango_attr_iterator_get (iter,
PANGO_ATTR_LANGUAGE)) != NULL)
{
value = g_strdup( pango_language_to_string( pango_lang->value));
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_LANGUAGE,
value);
}
if ((pango_float = (PangoAttrFloat*) pango_attr_iterator_get (iter,
PANGO_ATTR_SCALE)) != NULL)
{
value = g_strdup_printf("%g", pango_float->value);
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_SCALE,
value);
}
if ((pango_color = (PangoAttrColor*) pango_attr_iterator_get (iter,
PANGO_ATTR_FOREGROUND)) != NULL)
{
value = g_strdup_printf ("%u,%u,%u",
pango_color->color.red,
pango_color->color.green,
pango_color->color.blue);
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_FG_COLOR,
value);
}
if ((pango_color = (PangoAttrColor*) pango_attr_iterator_get (iter,
PANGO_ATTR_BACKGROUND)) != NULL)
{
value = g_strdup_printf ("%u,%u,%u",
pango_color->color.red,
pango_color->color.green,
pango_color->color.blue);
attrib_set = gail_misc_add_attribute (attrib_set,
ATK_TEXT_ATTR_BG_COLOR,
value);
}
pango_attr_iterator_destroy (iter);
return attrib_set;
}