summaryrefslogtreecommitdiff
path: root/libview/ev-view-accessible.c
diff options
context:
space:
mode:
Diffstat (limited to 'libview/ev-view-accessible.c')
-rw-r--r--libview/ev-view-accessible.c746
1 files changed, 9 insertions, 737 deletions
diff --git a/libview/ev-view-accessible.c b/libview/ev-view-accessible.c
index 9be52581..afa52ef0 100644
--- a/libview/ev-view-accessible.c
+++ b/libview/ev-view-accessible.c
@@ -30,7 +30,6 @@
#include "ev-view-private.h"
#include "ev-page-accessible.h"
-static void ev_view_accessible_text_iface_init (AtkTextIface *iface);
static void ev_view_accessible_action_iface_init (AtkActionIface *iface);
static void ev_view_accessible_hypertext_iface_init (AtkHypertextIface *iface);
static void ev_view_accessible_document_iface_init (AtkDocumentIface *iface);
@@ -72,7 +71,6 @@ struct _EvViewAccessiblePrivate {
};
G_DEFINE_TYPE_WITH_CODE (EvViewAccessible, ev_view_accessible, GTK_TYPE_CONTAINER_ACCESSIBLE,
- G_IMPLEMENT_INTERFACE (ATK_TYPE_TEXT, ev_view_accessible_text_iface_init)
G_IMPLEMENT_INTERFACE (ATK_TYPE_ACTION, ev_view_accessible_action_iface_init)
G_IMPLEMENT_INTERFACE (ATK_TYPE_HYPERTEXT, ev_view_accessible_hypertext_iface_init)
G_IMPLEMENT_INTERFACE (ATK_TYPE_DOCUMENT, ev_view_accessible_document_iface_init)
@@ -188,718 +186,6 @@ ev_view_accessible_init (EvViewAccessible *accessible)
accessible->priv = G_TYPE_INSTANCE_GET_PRIVATE (accessible, EV_TYPE_VIEW_ACCESSIBLE, EvViewAccessiblePrivate);
}
-/* ATs expect to be able to identify sentence boundaries based on content. Valid,
- * content-based boundaries may be present at the end of a newline, for instance
- * at the end of a heading within a document. Thus being able to distinguish hard
- * returns from soft returns is necessary. However, the text we get from Poppler
- * for non-tagged PDFs has "\n" inserted at the end of each line resulting in a
- * broken accessibility implementation w.r.t. sentences.
- */
-static gboolean
-treat_as_soft_return (EvView *view,
- PangoLogAttr *log_attrs,
- gint offset)
-{
- EvRectangle *areas = NULL;
- guint n_areas = 0;
- gdouble line_spacing, this_line_height, next_word_width;
- EvRectangle *this_line_start;
- EvRectangle *this_line_end;
- EvRectangle *next_line_start;
- EvRectangle *next_line_end;
- EvRectangle *next_word_end;
- gint prev_offset, next_offset;
-
-
- if (!log_attrs[offset].is_white)
- return FALSE;
-
- ev_page_cache_get_text_layout (view->page_cache, get_relevant_page (view), &areas, &n_areas);
- if (n_areas <= offset + 1)
- return FALSE;
-
- prev_offset = offset - 1;
- next_offset = offset + 1;
-
- /* In wrapped text, the character at the start of the next line starts a word.
- * Examples where this condition might fail include bullets and images. But it
- * also includes things like "(", so also check the next character.
- */
- if (!log_attrs[next_offset].is_word_start &&
- (next_offset + 1 >= n_areas || !log_attrs[next_offset + 1].is_word_start))
- return FALSE;
-
- /* In wrapped text, the chars on either side of the newline have very similar heights.
- * Examples where this condition might fail include a newline at the end of a heading,
- * and a newline at the end of a paragraph that is followed by a heading.
- */
- this_line_end = areas + prev_offset;
- next_line_start = areas + next_offset;;
-
- this_line_height = this_line_end->y2 - this_line_end->y1;
- if (ABS (this_line_height - (next_line_start->y2 - next_line_start->y1)) > 0.25)
- return FALSE;
-
- /* If there is significant white space between this line and the next, odds are this
- * is not a soft return in wrapped text. Lines within a typical paragraph are at most
- * double-spaced. If the spacing is more than that, assume a hard return is present.
- */
- line_spacing = next_line_start->y1 - this_line_end->y2;
- if (line_spacing - this_line_height > 1)
- return FALSE;
-
- /* Lines within a typical paragraph have *reasonably* similar x1 coordinates. But
- * we cannot count on them being nearly identical. Examples where indentation can
- * be present in wrapped text include indenting the first line of the paragraph,
- * and hanging indents (e.g. in the works cited within an academic paper). So we'll
- * be somewhat tolerant here.
- */
- for ( ; prev_offset > 0 && !log_attrs[prev_offset].is_mandatory_break; prev_offset--);
- this_line_start = areas + prev_offset;
- if (ABS (this_line_start->x1 - next_line_start->x1) > 20)
- return FALSE;
-
- /* Ditto for x2, but this line might be short due to a wide word on the next line. */
- for ( ; next_offset < n_areas && !log_attrs[next_offset].is_word_end; next_offset++);
- next_word_end = areas + next_offset;
- next_word_width = next_word_end->x2 - next_line_start->x1;
-
- for ( ; next_offset < n_areas && !log_attrs[next_offset + 1].is_mandatory_break; next_offset++);
- next_line_end = areas + next_offset;
- if (next_line_end->x2 - (this_line_end->x2 + next_word_width) > 20)
- return FALSE;
-
- return TRUE;
-}
-
-static void
-ev_view_accessible_get_range_for_boundary (AtkText *text,
- AtkTextBoundary boundary_type,
- gint offset,
- gint *start_offset,
- gint *end_offset)
-{
- GtkWidget *widget;
- EvView *view;
- gint start = 0;
- gint end = 0;
- PangoLogAttr *log_attrs = NULL;
- gulong n_attrs;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
- if (widget == NULL)
- return;
-
- view = EV_VIEW (widget);
- if (!view->page_cache)
- return;
-
- ev_page_cache_get_text_log_attrs (view->page_cache, get_relevant_page (view), &log_attrs, &n_attrs);
- if (!log_attrs)
- return;
-
- switch (boundary_type) {
- case ATK_TEXT_BOUNDARY_CHAR:
- start = offset;
- end = offset + 1;
- break;
- case ATK_TEXT_BOUNDARY_WORD_START:
- for (start = offset; start >= 0 && !log_attrs[start].is_word_start; start--);
- for (end = offset + 1; end <= n_attrs && !log_attrs[end].is_word_start; end++);
- break;
- case ATK_TEXT_BOUNDARY_SENTENCE_START:
- for (start = offset; start >= 0; start--) {
- if (log_attrs[start].is_mandatory_break && treat_as_soft_return (view, log_attrs, start - 1))
- continue;
- if (log_attrs[start].is_sentence_start)
- break;
- }
- for (end = offset + 1; end <= n_attrs; end++) {
- if (log_attrs[end].is_mandatory_break && treat_as_soft_return (view, log_attrs, end - 1))
- continue;
- if (log_attrs[end].is_sentence_start)
- break;
- }
- break;
- case ATK_TEXT_BOUNDARY_LINE_START:
- for (start = offset; start >= 0 && !log_attrs[start].is_mandatory_break; start--);
- for (end = offset + 1; end <= n_attrs && !log_attrs[end].is_mandatory_break; end++);
- break;
- default:
- /* The "END" boundary types are deprecated */
- break;
- }
-
- *start_offset = start;
- *end_offset = end;
-}
-
-static gchar *
-ev_view_accessible_get_substring (AtkText *text,
- gint start_offset,
- gint end_offset)
-{
- GtkWidget *widget;
- EvView *view;
- gchar *substring, *normalized;
- const gchar* page_text;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
- if (widget == NULL)
- return NULL;
-
- view = EV_VIEW (widget);
- if (!view->page_cache)
- return NULL;
-
- page_text = ev_page_cache_get_text (view->page_cache, get_relevant_page (view));
- start_offset = MAX (0, start_offset);
- if (end_offset < 0 || end_offset > g_utf8_strlen (page_text, -1))
- end_offset = strlen (page_text);
-
- substring = g_utf8_substring (page_text, start_offset, end_offset);
- normalized = g_utf8_normalize (substring, -1, G_NORMALIZE_NFKC);
- g_free (substring);
-
- return normalized;
-}
-
-static gunichar
-ev_view_accessible_get_character_at_offset (AtkText *text,
- gint offset)
-{
- gchar *string;
- gunichar unichar;
-
- string = ev_view_accessible_get_substring (text, offset, offset + 1);
- 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)
-{
- return ev_view_accessible_get_substring (text, start_pos, end_pos);
-}
-
-static gchar *
-ev_view_accessible_get_text_at_offset (AtkText *text,
- gint offset,
- AtkTextBoundary boundary_type,
- gint *start_offset,
- gint *end_offset)
-{
- gchar *retval;
-
- ev_view_accessible_get_range_for_boundary (text, boundary_type, offset, start_offset, end_offset);
- retval = ev_view_accessible_get_substring (text, *start_offset, *end_offset);
-
- /* If newlines appear inside the text of a sentence (i.e. between the start and
- * end offsets returned by ev_view_accessible_get_substring), it interferes with
- * the prosody of text-to-speech based-solutions such as a screen reader because
- * speech synthesizers tend to pause after the newline char as if it were the end
- * of the sentence.
- */
- if (boundary_type == ATK_TEXT_BOUNDARY_SENTENCE_START)
- g_strdelimit (retval, "\n", ' ');
-
- return retval;
-}
-
-static gint
-ev_view_accessible_get_character_count (AtkText *text)
-{
- GtkWidget *widget;
- EvView *view;
- gint retval;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
- if (widget == NULL)
- /* State is defunct */
- return 0;
-
- view = EV_VIEW (widget);
- retval = g_utf8_strlen (ev_page_cache_get_text (view->page_cache, get_relevant_page (view)), -1);
-
- return retval;
-}
-
-static gint
-ev_view_accessible_get_caret_offset (AtkText *text)
-{
- GtkWidget *widget;
- EvView *view;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
- if (widget == NULL)
- /* State is defunct */
- return -1;
-
- view = EV_VIEW (widget);
- if (view->caret_enabled)
- return view->cursor_offset;
-
- return -1;
-}
-
-static gboolean
-ev_view_accessible_set_caret_offset (AtkText *text, gint offset)
-{
- GtkWidget *widget;
- EvView *view;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
- if (widget == NULL)
- /* State is defunct */
- return FALSE;
-
- view = EV_VIEW (widget);
- ev_view_set_caret_cursor_position (view,
- view->cursor_page,
- offset);
-
- return TRUE;
-}
-
-static AtkAttributeSet *
-add_attribute (AtkAttributeSet *attr_set,
- AtkTextAttribute attr_type,
- gchar *attr_value)
-{
- AtkAttribute *attr = g_new (AtkAttribute, 1);
-
- attr->name = g_strdup (atk_text_attribute_get_name (attr_type));
- attr->value = attr_value;
-
- return g_slist_prepend (attr_set, attr);
-}
-
-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;
-}
-
-static AtkAttributeSet*
-ev_view_accessible_get_run_attributes (AtkText *text,
- gint offset,
- gint *start_offset,
- gint *end_offset)
-{
- EvView *view;
- GtkWidget *widget;
- PangoAttrList *attrs;
- const gchar *page_text;
-
- if (offset < 0)
- return NULL;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
- if (!widget)
- return NULL;
-
- view = EV_VIEW (widget);
- if (!view->page_cache)
- return NULL;
-
- page_text = ev_page_cache_get_text (view->page_cache, get_relevant_page (view));
- if (!page_text)
- return NULL;
-
- attrs = ev_page_cache_get_text_attrs (view->page_cache, get_relevant_page (view));
- if (!attrs)
- return NULL;
-
- return get_run_attributes (attrs, page_text, offset, start_offset, end_offset);
-}
-
-static AtkAttributeSet*
-ev_view_accessible_get_default_attributes (AtkText *text)
-{
- GtkWidget *widget;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
- if (widget == NULL)
- /* State is defunct */
- return NULL;
- return NULL;
-}
-
-static void
-ev_view_accessible_get_character_extents (AtkText *text,
- gint offset,
- gint *x,
- gint *y,
- gint *width,
- gint *height,
- AtkCoordType coords)
-{
- GtkWidget *widget, *toplevel;
- EvView *view;
- EvRectangle *areas = NULL;
- EvRectangle *doc_rect;
- guint n_areas = 0;
- gint x_widget, y_widget;
- GdkRectangle view_rect;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
- if (widget == NULL)
- /* State is defunct */
- return;
-
- view = EV_VIEW (widget);
- if (!view->page_cache)
- return;
-
- ev_page_cache_get_text_layout (view->page_cache, get_relevant_page (view), &areas, &n_areas);
- if (!areas || offset >= n_areas)
- return;
-
- doc_rect = areas + offset;
- _ev_view_transform_doc_rect_to_view_rect (view, get_relevant_page (view), doc_rect, &view_rect);
- view_rect.x -= view->scroll_x;
- view_rect.y -= view->scroll_y;
-
- toplevel = gtk_widget_get_toplevel (widget);
- gtk_widget_translate_coordinates (widget, toplevel, 0, 0, &x_widget, &y_widget);
- view_rect.x += x_widget;
- view_rect.y += y_widget;
-
- if (coords == ATK_XY_SCREEN) {
- gint x_window, y_window;
-
- gdk_window_get_origin (gtk_widget_get_window (toplevel), &x_window, &y_window);
- view_rect.x += x_window;
- view_rect.y += y_window;
- }
-
- *x = view_rect.x;
- *y = view_rect.y;
- *width = view_rect.width;
- *height = view_rect.height;
-}
-
-static gint
-ev_view_accessible_get_offset_at_point (AtkText *text,
- gint x,
- gint y,
- AtkCoordType coords)
-{
- GtkWidget *widget, *toplevel;
- EvView *view;
- EvRectangle *areas = NULL;
- EvRectangle *rect = NULL;
- guint n_areas = 0;
- guint i;
- gint x_widget, y_widget;
- gint offset=-1;
- GdkPoint view_point;
- gdouble doc_x, doc_y;
- GtkBorder border;
- GdkRectangle page_area;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
- if (widget == NULL)
- /* State is defunct */
- return -1;
-
- view = EV_VIEW (widget);
- if (!view->page_cache)
- return -1;
-
- ev_page_cache_get_text_layout (view->page_cache, get_relevant_page (view), &areas, &n_areas);
- if (!areas)
- return -1;
-
- view_point.x = x;
- view_point.y = y;
- toplevel = gtk_widget_get_toplevel (widget);
- gtk_widget_translate_coordinates (widget, toplevel, 0, 0, &x_widget, &y_widget);
- view_point.x -= x_widget;
- view_point.y -= y_widget;
-
- if (coords == ATK_XY_SCREEN) {
- gint x_window, y_window;
-
- gdk_window_get_origin (gtk_widget_get_window (toplevel), &x_window, &y_window);
- view_point.x -= x_window;
- view_point.y -= y_window;
- }
-
- ev_view_get_page_extents (view, get_relevant_page (view), &page_area, &border);
- _ev_view_transform_view_point_to_doc_point (view, &view_point, &page_area, &doc_x, &doc_y);
-
- for (i = 0; i < n_areas; i++) {
- rect = areas + i;
- if (doc_x >= rect->x1 && doc_x <= rect->x2 &&
- doc_y >= rect->y1 && doc_y <= rect->y2)
- offset = i;
- }
-
- return offset;
-}
-
-static gint
-ev_view_accessible_get_n_selections (AtkText *text)
-{
- GtkWidget *widget;
- EvView *view;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
- if (widget == NULL)
- /* State is defunct */
- return -1;
-
- view = EV_VIEW (widget);
- if (!EV_IS_SELECTION (view->document) || !view->selection_info.selections)
- return 0;
-
- return 1;
-}
-
-static gboolean
-get_selection_bounds (EvView *view,
- EvViewSelection *selection,
- gint *start_offset,
- gint *end_offset)
-{
- cairo_rectangle_int_t rect;
- gint start, end;
-
- if (!selection->covered_region || cairo_region_is_empty (selection->covered_region))
- return FALSE;
-
- cairo_region_get_rectangle (selection->covered_region, 0, &rect);
- start = _ev_view_get_caret_cursor_offset_at_doc_point (view,
- selection->page,
- rect.x / view->scale,
- (rect.y + (rect.height / 2)) / view->scale);
- if (start == -1)
- return FALSE;
-
- cairo_region_get_rectangle (selection->covered_region,
- cairo_region_num_rectangles (selection->covered_region) - 1,
- &rect);
- end = _ev_view_get_caret_cursor_offset_at_doc_point (view,
- selection->page,
- (rect.x + rect.width) / view->scale,
- (rect.y + (rect.height / 2)) / view->scale);
- if (end == -1)
- return FALSE;
-
- *start_offset = start;
- *end_offset = end;
-
- return TRUE;
-}
-
-static gchar *
-ev_view_accessible_get_selection (AtkText *text,
- gint selection_num,
- gint *start_pos,
- gint *end_pos)
-{
- GtkWidget *widget;
- EvView *view;
- gchar *selected_text = NULL;
- gchar *normalized_text = NULL;
- GList *l;
-
- *start_pos = -1;
- *end_pos = -1;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
- if (widget == NULL)
- /* State is defunct */
- return NULL;
-
- if (selection_num != 0)
- return NULL;
-
- view = EV_VIEW (widget);
- if (!EV_IS_SELECTION (view->document) || !view->selection_info.selections)
- return NULL;
-
-
- for (l = view->selection_info.selections; l != NULL; l = l->next) {
- EvViewSelection *selection = (EvViewSelection *)l->data;
- gint start, end;
-
- if (selection->page != get_relevant_page (view))
- continue;
-
- if (get_selection_bounds (view, selection, &start, &end) && start != end) {
- EvPage *page;
-
- page = ev_document_get_page (view->document, selection->page);
-
- ev_document_doc_mutex_lock ();
- selected_text = ev_selection_get_selected_text (EV_SELECTION (view->document),
- page,
- selection->style,
- &(selection->rect));
-
- ev_document_doc_mutex_unlock ();
-
- g_object_unref (page);
-
- *start_pos = start;
- *end_pos = end;
- }
-
- break;
- }
-
- if (selected_text) {
- normalized_text = g_utf8_normalize (selected_text, -1, G_NORMALIZE_NFKC);
- g_free (selected_text);
- }
-
- return normalized_text;
-}
-
-/* ATK allows for multiple, non-contiguous selections within a single AtkText
- * object. Unless and until Evince supports this, selection numbers are ignored.
- */
-static gboolean
-ev_view_accessible_remove_selection (AtkText *text,
- gint selection_num)
-{
- GtkWidget *widget;
- EvView *view;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
- if (widget == NULL)
- /* State is defunct */
- return FALSE;
-
- view = EV_VIEW (widget);
- if (ev_view_get_has_selection (view)) {
- _ev_view_clear_selection (view);
- return TRUE;
- }
-
- return FALSE;
-}
-
-static gboolean
-ev_view_accessible_set_selection (AtkText *text,
- gint selection_num,
- gint start_pos,
- gint end_pos)
-{
- GtkWidget *widget;
- EvView *view;
- EvRectangle *areas = NULL;
- guint n_areas = 0;
- GdkRectangle start_rect, end_rect;
- GdkPoint start_point, end_point;
-
- widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
- if (widget == NULL)
- /* State is defunct */
- return FALSE;
-
- view = EV_VIEW (widget);
- ev_page_cache_get_text_layout (view->page_cache, get_relevant_page (view), &areas, &n_areas);
- if (start_pos < 0 || end_pos >= n_areas)
- return FALSE;
-
- _ev_view_transform_doc_rect_to_view_rect (view, get_relevant_page (view), areas + start_pos, &start_rect);
- _ev_view_transform_doc_rect_to_view_rect (view, get_relevant_page (view), areas + end_pos - 1, &end_rect);
- start_point.x = start_rect.x;
- start_point.y = start_rect.y;
- end_point.x = end_rect.x + end_rect.width;
- end_point.y = end_rect.y + end_rect.height;
- _ev_view_set_selection (view, &start_point, &end_point);
-
- return TRUE;
-}
-
-static gboolean
-ev_view_accessible_add_selection (AtkText *text,
- gint start_pos,
- gint end_pos)
-{
- return ev_view_accessible_set_selection (text, 0, start_pos, end_pos);
-
-}
-
static gint
ev_view_accessible_get_page_count (AtkDocument *atk_document)
{
@@ -930,26 +216,6 @@ ev_view_accessible_document_iface_init (AtkDocumentIface *iface)
iface->get_page_count = ev_view_accessible_get_page_count;
}
-static void
-ev_view_accessible_text_iface_init (AtkTextIface * iface)
-{
- iface->get_text = ev_view_accessible_get_text;
- iface->get_character_at_offset = ev_view_accessible_get_character_at_offset;
- iface->get_text_at_offset = ev_view_accessible_get_text_at_offset;
- iface->get_caret_offset = ev_view_accessible_get_caret_offset;
- iface->set_caret_offset = ev_view_accessible_set_caret_offset;
- iface->get_character_count = ev_view_accessible_get_character_count;
- iface->get_n_selections = ev_view_accessible_get_n_selections;
- iface->get_selection = ev_view_accessible_get_selection;
- iface->add_selection = ev_view_accessible_add_selection;
- iface->remove_selection = ev_view_accessible_remove_selection;
- iface->set_selection = ev_view_accessible_set_selection;
- iface->get_run_attributes = ev_view_accessible_get_run_attributes;
- iface->get_default_attributes = ev_view_accessible_get_default_attributes;
- iface->get_character_extents = ev_view_accessible_get_character_extents;
- iface->get_offset_at_point = ev_view_accessible_get_offset_at_point;
-}
-
static gboolean
ev_view_accessible_idle_do_action (gpointer data)
{
@@ -1168,6 +434,7 @@ ev_view_accessible_cursor_moved (EvView *view,
EvViewAccessible *accessible)
{
EvViewAccessiblePrivate* priv = accessible->priv;
+ EvPageAccessible *page_accessible = NULL;
if (priv->previous_cursor_page != page) {
priv->previous_cursor_page = page;
@@ -1176,14 +443,19 @@ ev_view_accessible_cursor_moved (EvView *view,
g_signal_emit_by_name (accessible, "page-changed", page + 1);
}
- g_signal_emit_by_name (accessible, "text-caret-moved", offset);
+ page_accessible = g_ptr_array_index (priv->children, page);
+ g_signal_emit_by_name (page_accessible, "text-caret-moved", offset);
}
static void
ev_view_accessible_selection_changed (EvView *view,
- EvViewAccessible *accessible)
+ EvViewAccessible *view_accessible)
{
- g_signal_emit_by_name (accessible, "text-selection-changed");
+ AtkObject *page_accessible;
+
+ page_accessible = g_ptr_array_index (view_accessible->priv->children,
+ get_relevant_page (view));
+ g_signal_emit_by_name (page_accessible, "text-selection-changed");
}
static void
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-08 20:36:33 +0000