char*
TextSelection::GetText ()
{
if (anchor.GetParent() == moving.GetParent() &&
anchor.GetLocation () == moving.GetLocation())
return g_strdup ("");
GString *gstr = g_string_new ("");
TextPointer tp = anchor;
while (tp.CompareTo_np (moving) < 0) {
if (tp.GetParent()->Is (Type::RUN)) {
Run *run = (Run*)tp.GetParent();
if (tp.GetParent() == moving.GetParent()) {
// tp and moving are in the same element, so we append the substring and set tp = moving.
g_string_append_len (gstr, run->GetText() + tp.ResolveLocation(), moving.ResolveLocation() - tp.ResolveLocation());
tp = moving;
}
else {
g_string_append (gstr, run->GetText());
tp = run->GetContentEnd_np();
tp = tp.GetPositionAtOffset_np (1, tp.GetLogicalDirection());
}
}
else {
tp = tp.GetPositionAtOffset_np (1, tp.GetLogicalDirection());
}
}
printf ("returning %s from TextSelection::GetText\n", gstr->str);
return g_string_free (gstr, FALSE);
}
char*
TextSelection::GetText ()
{
GString *gstr;
TextPointer tp;
if (text)
goto done;
if (anchor.GetParent() == NULL ||
moving.GetParent() == NULL) {
text = g_strdup ("");
goto done;
}
if (anchor.GetParent() == moving.GetParent() &&
anchor.GetLocation () == moving.GetLocation()) {
text = g_strdup ("");
goto done;
}
gstr = g_string_new ("");
tp = anchor;
while (tp.CompareTo_np (moving) < 0) {
DependencyObject *parent = tp.GetParent ();
if (parent && parent->Is (Type::RUN)) {
Run *run = (Run*)parent;
if (parent == moving.GetParent()) {
// tp and moving are in the same element, so we append the substring and set tp = moving.
g_string_append_len (gstr, run->GetText() + tp.ResolveLocation(), moving.ResolveLocation() - tp.ResolveLocation());
tp = moving;
}
else {
g_string_append (gstr, run->GetText());
tp = run->GetContentEnd_np();
tp = tp.GetPositionAtOffset_np (1, tp.GetLogicalDirection());
}
}
else {
TextPointer new_tp = tp.GetPositionAtOffset_np (1, tp.GetLogicalDirection());
if (new_tp.CompareTo_np (tp) == 0)
break;
tp = new_tp;
}
}
text = g_string_free (gstr, FALSE);
done:
return g_strdup (text);
}