static gint
ev_view_accessible_get_n_selections (AtkText *text)
{
GtkWidget *widget;
GtkTextBuffer *buffer;
GtkTextIter start, end;
gint select_start, select_end;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
if (widget == NULL)
/* State is defunct */
return -1;
buffer = ev_view_accessible_get_text_buffer (EV_VIEW_ACCESSIBLE (text), EV_VIEW (widget));
if (!buffer)
return -1;
gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
select_start = gtk_text_iter_get_offset (&start);
select_end = gtk_text_iter_get_offset (&end);
if (select_start != select_end)
return 1;
else
return 0;
}
static gchar*
ev_view_accessible_get_selection (AtkText *text,
gint selection_num,
gint *start_pos,
gint *end_pos)
{
GtkWidget *widget;
GtkTextBuffer *buffer;
GtkTextIter start, end;
gchar *retval = NULL;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
if (widget == NULL)
/* State is defunct */
return NULL;
if (selection_num != 0)
return NULL;
buffer = ev_view_accessible_get_text_buffer (EV_VIEW_ACCESSIBLE (text), EV_VIEW (widget));
if (!buffer)
return NULL;
gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
*start_pos = gtk_text_iter_get_offset (&start);
*end_pos = gtk_text_iter_get_offset (&end);
if (*start_pos != *end_pos)
retval = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
return retval;
}
static gchar*
ev_view_accessible_get_text_after_offset (AtkText *text,
gint offset,
AtkTextBoundary boundary_type,
gint *start_offset,
gint *end_offset)
{
GtkWidget *widget;
gpointer layout = NULL;
GailTextUtil *gail_text = NULL;
gchar *retval = NULL;
GtkTextBuffer *buffer;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
if (widget == NULL)
/* State is defunct */
return NULL;
buffer = ev_view_accessible_get_text_buffer (EV_VIEW_ACCESSIBLE (text), EV_VIEW (widget));
if (!buffer)
return NULL;
gail_text = gail_text_util_new ();
gail_text_util_buffer_setup (gail_text, buffer);
retval = gail_text_util_get_text (gail_text, layout,
GAIL_AFTER_OFFSET, boundary_type,
offset, start_offset, end_offset);
g_object_unref (gail_text);
return retval;
}
static gunichar
ev_view_accessible_get_character_at_offset (AtkText *text,
gint offset)
{
GtkWidget *widget;
GtkTextIter start, end;
GtkTextBuffer *buffer;
gchar *string;
gunichar unichar;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
if (widget == NULL)
/* State is defunct */
return '\0';
buffer = ev_view_accessible_get_text_buffer (EV_VIEW_ACCESSIBLE (text), EV_VIEW (widget));
if (!buffer)
return '\0';
if (offset >= gtk_text_buffer_get_char_count (buffer))
return '\0';
gtk_text_buffer_get_iter_at_offset (buffer, &start, offset);
end = start;
gtk_text_iter_forward_char (&end);
string = gtk_text_buffer_get_slice (buffer, &start, &end, FALSE);
unichar = g_utf8_get_char (string);
g_free(string);
return unichar;
}
static gchar*
ev_view_accessible_get_text (AtkText *text,
gint start_pos,
gint end_pos)
{
GtkWidget *widget;
GtkTextIter start, end;
GtkTextBuffer *buffer;
gchar *retval;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
if (widget == NULL)
/* State is defunct */
return NULL;
buffer = ev_view_accessible_get_text_buffer (EV_VIEW_ACCESSIBLE (text), EV_VIEW (widget));
if (!buffer)
return NULL;
gtk_text_buffer_get_iter_at_offset (buffer, &start, start_pos);
gtk_text_buffer_get_iter_at_offset (buffer, &end, end_pos);
retval = gtk_text_buffer_get_text (buffer, &start, &end, FALSE);
return retval;
}
static void
ev_page_accessible_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
EvPageAccessible *accessible = EV_PAGE_ACCESSIBLE (object);
switch (prop_id) {
case PROP_VIEW_ACCESSIBLE:
accessible->priv->view_accessible = EV_VIEW_ACCESSIBLE (g_value_get_object (value));
break;
case PROP_PAGE:
accessible->priv->page = g_value_get_int (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static gint
ev_view_accessible_get_character_count (AtkText *text)
{
GtkWidget *widget;
GtkTextBuffer *buffer;
gint retval;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
if (widget == NULL)
/* State is defunct */
return 0;
buffer = ev_view_accessible_get_text_buffer (EV_VIEW_ACCESSIBLE (text), EV_VIEW (widget));
if (!buffer)
return 0;
retval = gtk_text_buffer_get_char_count (buffer);
return retval;
}
static gboolean
ev_view_accessible_set_caret_offset (AtkText *text, gint offset)
{
GtkWidget *widget;
GtkTextBuffer *buffer;
GtkTextIter pos_itr;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
if (widget == NULL)
/* State is defunct */
return FALSE;
buffer = ev_view_accessible_get_text_buffer (EV_VIEW_ACCESSIBLE (text), EV_VIEW (widget));
if (!buffer)
return FALSE;
gtk_text_buffer_get_iter_at_offset (buffer, &pos_itr, offset);
gtk_text_buffer_place_cursor (buffer, &pos_itr);
return TRUE;
}
static gboolean
ev_view_accessible_add_selection (AtkText *text,
gint start_pos,
gint end_pos)
{
GtkWidget *widget;
GtkTextBuffer *buffer;
GtkTextIter pos_itr;
GtkTextIter start, end;
gint select_start, select_end;
gboolean retval = FALSE;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
if (widget == NULL)
/* State is defunct */
return FALSE;
buffer = ev_view_accessible_get_text_buffer (EV_VIEW_ACCESSIBLE (text), EV_VIEW (widget));
if (!buffer)
return FALSE;
gtk_text_buffer_get_selection_bounds (buffer, &start, &end);
select_start = gtk_text_iter_get_offset (&start);
select_end = gtk_text_iter_get_offset (&end);
/* If there is already a selection, then don't allow
* another to be added
*/
if (select_start == select_end) {
gtk_text_buffer_get_iter_at_offset (buffer, &pos_itr, start_pos);
gtk_text_buffer_move_mark_by_name (buffer, "selection_bound", &pos_itr);
gtk_text_buffer_get_iter_at_offset (buffer, &pos_itr, end_pos);
gtk_text_buffer_move_mark_by_name (buffer, "insert", &pos_itr);
retval = TRUE;
}
return retval;
}
static gboolean
ev_view_accessible_remove_selection (AtkText *text,
gint selection_num)
{
GtkWidget *widget;
GtkTextBuffer *buffer;
GtkTextMark *cursor_mark;
GtkTextIter cursor_itr;
GtkTextIter start, end;
gint select_start, select_end;
gboolean retval = FALSE;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
if (widget == NULL)
/* State is defunct */
return FALSE;
buffer = ev_view_accessible_get_text_buffer (EV_VIEW_ACCESSIBLE (text), EV_VIEW (widget));
if (!buffer)
return FALSE;
gtk_text_buffer_get_selection_bounds(buffer, &start, &end);
select_start = gtk_text_iter_get_offset(&start);
select_end = gtk_text_iter_get_offset(&end);
if (select_start != select_end) {
/* Setting the start & end of the selected region
* to the caret position turns off the selection.
*/
cursor_mark = gtk_text_buffer_get_insert (buffer);
gtk_text_buffer_get_iter_at_mark (buffer, &cursor_itr, cursor_mark);
gtk_text_buffer_move_mark_by_name (buffer, "selection_bound", &cursor_itr);
retval = TRUE;
}
return retval;
}
static AtkAttributeSet*
ev_view_accessible_get_run_attributes (AtkText *text,
gint offset,
gint *start_offset,
gint *end_offset)
{
GtkWidget *widget;
GtkTextBuffer *buffer;
AtkAttributeSet *retval;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
if (widget == NULL)
/* State is defunct */
return NULL;
buffer = ev_view_accessible_get_text_buffer (EV_VIEW_ACCESSIBLE (text), EV_VIEW (widget));
if (!buffer)
return NULL;
retval = gail_misc_buffer_get_run_attributes (buffer, offset,
start_offset, end_offset);
return retval;
}
static gint
ev_view_accessible_get_caret_offset (AtkText *text)
{
GtkWidget *widget;
GtkTextBuffer *buffer;
GtkTextMark *cursor_mark;
GtkTextIter cursor_itr;
gint retval;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
if (widget == NULL)
/* State is defunct */
return 0;
buffer = ev_view_accessible_get_text_buffer (EV_VIEW_ACCESSIBLE (text), EV_VIEW (widget));
if (!buffer)
return 0;
cursor_mark = gtk_text_buffer_get_insert (buffer);
gtk_text_buffer_get_iter_at_mark (buffer, &cursor_itr, cursor_mark);
retval = gtk_text_iter_get_offset (&cursor_itr);
return retval;
}
