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;
}
EvView *
ev_page_accessible_get_view (EvPageAccessible *page_accessible)
{
g_return_val_if_fail (EV_IS_PAGE_ACCESSIBLE (page_accessible), NULL);
return EV_VIEW (gtk_accessible_get_widget (GTK_ACCESSIBLE (page_accessible->priv->view_accessible)));
}
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;
}
/**
* \fn void external_link_catch(GtkWidget *w, GObject *link)
* \brief This function catch the signal when a clic is made on a note.
* \param w The widget which triggered the call.
* \param link ev_link_action.
* \param editor The GUI structure.
*/
void external_link_catch(GtkWidget *widget, GObject *link, BrailleMusicEditor *editor) {
EvLinkAction *l = EV_LINK_ACTION(link);
ev_view_copy_link_address(EV_VIEW(widget), l);
//get line:column link
const gchar * lc = ev_link_action_get_uri(l);
int line, column;
int i = 0;
char c = ' ', temp[2048];
while(c != ':' || i >= strlen(lc)) {
c = lc[i];
temp[i] = c;
i++;
}
temp[i+1]='\0';
line = atoi(temp);
line--;
column = atoi(lc+i);
GtkTextIter it;
GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(editor->textview));
if(gtk_text_buffer_get_line_count(buffer) < line ) {
line = 0;
column = 0;
}
gtk_text_buffer_get_iter_at_line(buffer, &it, line);
while(column >0 && !gtk_text_iter_ends_line(&it)) {
gtk_text_iter_forward_char(&it);
column--;
}
gtk_widget_grab_focus(editor->textview);
gtk_text_buffer_place_cursor(buffer, &it);
gtk_text_view_scroll_to_iter(GTK_TEXT_VIEW(editor->textview), &it, 0.0, FALSE, 0.5, 0.5);
}
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 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 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 gboolean
ev_view_accessible_idle_do_action (gpointer data)
{
EvViewAccessiblePriv* priv = EV_VIEW_ACCESSIBLE_GET_PRIVATE (data);
ev_view_scroll (EV_VIEW (gtk_accessible_get_widget (GTK_ACCESSIBLE (data))),
priv->idle_scroll,
FALSE);
priv->action_idle_handler = 0;
return FALSE;
}
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;
}
/**
* \fn void show_score(BrailleMusicEditor *editor)
* \brief This function create a scoreviewer in a widget.
* \param editor The GUI structure.
*/
void show_score(BrailleMusicEditor *editor) {
GError *err = NULL;
GFile *file;
gchar *filename = "score.pdf";
file = g_file_new_for_commandline_arg (filename);
gchar *uri = g_file_get_uri (file);
g_object_unref (file);
EvDocument *doc = ev_document_factory_get_document (uri, &err);
if(err) {
g_warning ("Trying to read the score pdf file %s gave an error: %s",
uri, err->message);
if(err)
g_error_free (err);
err = NULL;
} else {
EvDocumentModel *docmodel = ev_document_model_new_with_document(EV_DOCUMENT(doc));
ev_view_set_model(EV_VIEW(editor->score_view), EV_DOCUMENT_MODEL(docmodel));
g_signal_connect(editor->score_view, "external-link",
G_CALLBACK(external_link_catch), editor);
}
}
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;
}
static gint
ev_view_accessible_get_offset_at_point (AtkText *text,
gint x,
gint y,
AtkCoordType coords)
{
GtkWidget *widget, *toplevel;
EvRectangle *areas = NULL;
EvRectangle *rect = NULL;
guint n_areas = 0;
guint i = 0;
EvPageCache *page_cache;
gint x_window, y_window, x_widget, y_widget;
gint offset=-1, rx, ry;
gdouble scale;
GtkBorder border;
GdkRectangle page_area;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
if (widget == NULL)
/* State is defunct */
return -1;
page_cache = EV_VIEW (widget)->page_cache;
if (!page_cache)
return -1;
ev_view_get_page_extents (EV_VIEW (widget), EV_VIEW (widget)->current_page,
&page_area, &border);
scale = EV_VIEW (widget)->scale;
ev_page_cache_get_text_layout (page_cache, EV_VIEW (widget)->current_page, &areas, &n_areas);
if (!areas)
return -1;
rx = x;
ry = y;
rx -= page_area.x;
ry -= page_area.y;
rx += EV_VIEW (widget)->scroll_x;
ry += EV_VIEW (widget)->scroll_y;
toplevel = gtk_widget_get_toplevel (widget);
gtk_widget_translate_coordinates (widget, toplevel, 0, 0, &x_widget, &y_widget);
rx -= x_widget;
ry -= y_widget;
if (coords == ATK_XY_SCREEN) {
gdk_window_get_origin (gtk_widget_get_window (toplevel), &x_window, &y_window);
rx -= x_window;
ry -= y_window;
}
rx /= scale;
ry /= scale;
for (i = 0; i < n_areas; i++) {
rect = areas + i;
if (rx >= rect->x1 && rx <= rect->x2 &&
ry >= rect->y1 && ry <= rect->y2)
offset = i;
}
return offset;
}
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;
EvRectangle *areas = NULL;
EvRectangle *rect = NULL;
guint n_areas = 0;
EvPageCache *page_cache;
gint x_widget, y_widget, x_window, y_window;
gdouble scale;
GtkBorder border;
GdkRectangle page_area;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
if (widget == NULL)
/* State is defunct */
return;
page_cache = EV_VIEW (widget)->page_cache;
if (!page_cache)
return;
ev_view_get_page_extents (EV_VIEW (widget), EV_VIEW (widget)->current_page,
&page_area, &border);
scale = EV_VIEW (widget)->scale;
ev_page_cache_get_text_layout (page_cache, EV_VIEW (widget)->current_page, &areas, &n_areas);
if (!areas)
return;
if (offset >= n_areas)
return;
rect = areas + offset;
*x = (int)(rect->x1 * scale);
*y = (int)(rect->y1 * scale);
*width = (int)(fabs (rect->x2 - rect->x1) * scale);
*height = (int)(fabs (rect->y2 - rect->y1) * scale);
toplevel = gtk_widget_get_toplevel (widget);
gtk_widget_translate_coordinates (widget, toplevel, 0, 0, &x_widget, &y_widget);
*x += x_widget;
*y += y_widget;
if (coords == ATK_XY_SCREEN) {
gdk_window_get_origin (gtk_widget_get_window (toplevel), &x_window, &y_window);
*x += x_window;
*y += y_window;
}
*x -= EV_VIEW (widget)->scroll_x;
*y -= EV_VIEW (widget)->scroll_y;
*x += page_area.x;
*y += page_area.y;
}
