void TextSelection::ClearSelection () { // clear out the selection if (anchor.GetParent() == moving.GetParent()) { bool remove_element = false; if (anchor.GetLocation () != moving.GetLocation()) { if (anchor.GetParent()->Is (Type::RUN)) { Run *run = (Run*)anchor.GetParent(); char *run_text = g_strdup (run->GetText()); if (run_text) { int length_to_remove = moving.ResolveLocation() - anchor.ResolveLocation(); memmove (run_text + anchor.ResolveLocation(), run_text + moving.ResolveLocation (), strlen (run_text + moving.ResolveLocation())); *(run_text + strlen(run_text) - length_to_remove) = 0; run->SetText (run_text); // we need to remove the run if we've cleared all the text in it remove_element = !*run_text; } else { remove_element = true; } g_free (run_text); } else { IDocumentNode *node = anchor.GetParentNode(); int length_to_remove = moving.ResolveLocation() - anchor.ResolveLocation(); for (int i = 0; i < length_to_remove; i ++) node->GetDocumentChildren()->RemoveAt (anchor.ResolveLocation()); // we need to remove the element if we've removed all the children remove_element = node->GetDocumentChildren()->GetCount() == 0; } } DependencyObject *el = anchor.GetParent(); while (remove_element) { if (el->Is (Type::RICHTEXTBOX)) break; DependencyObject* parent = el->GetParent() ? el->GetParent()->GetParent() : NULL; if (!parent) { g_warning ("shouldn't happen"); return; } IDocumentNode *parent_node = IDocumentNode::CastToIDocumentNode (parent); parent_node->GetDocumentChildren()->Remove (Value(el)); el = parent; remove_element = parent_node->GetDocumentChildren()->GetCount() == 0; } } else { // harder case, anchor/moving are in different elements printf ("NIEX hard case TextSelection::ClearSelection\n"); } g_free (text); text = NULL; g_free (xaml); xaml = NULL; }
void TextSelection::SetText (const char *text) { #define CONTENT_START (0) #define CONTENT_END ((guint32)-1) if (anchor.GetParent() == NULL || moving.GetParent() == NULL) // if either are null we're going nowhere fast... return; ClearSelection (); // at this point the selection is empty and anchor == moving if (text && *text) { if (anchor.GetParent()->Is (Type::RUN)) { const char *run_text = ((Run*)anchor.GetParent())->GetText(); if (run_text == NULL) run_text = "\0"; char *new_text = (char*)g_malloc0 (strlen (run_text) + strlen (text) + 1); if (strlen (text) < (size_t) anchor.ResolveLocation ()){ // #339RT enters here g_free (new_text); new_text = g_strdup ("BUGBUGBUG"); } else { strncpy (new_text, run_text, anchor.ResolveLocation()); strcpy (new_text + anchor.ResolveLocation(), text); strncpy (new_text + anchor.ResolveLocation() + strlen(text), run_text + anchor.ResolveLocation(), strlen (run_text) - anchor.ResolveLocation()); } ((Run*)anchor.GetParent())->SetText (new_text); if (moving.GetLocation() > strlen (new_text)) { anchor = TextPointer (anchor.GetParent(), CONTENT_END, anchor.GetLogicalDirection()); moving = TextPointer (anchor.GetParent(), CONTENT_END, anchor.GetLogicalDirection()); } else { TextPointer new_anchor (anchor.GetParent(), anchor.ResolveLocation () + strlen (text), anchor.GetLogicalDirection()); moving = TextPointer (anchor.GetParent(), anchor.ResolveLocation () + strlen (text), anchor.GetLogicalDirection()); anchor = new_anchor; } g_free (new_text); if (anchor.CompareTo_np (moving) < 0) { start = anchor; end = moving; } else { start = moving; end = anchor; } } else { IDocumentNode *node = anchor.GetParentNode(); DependencyObjectCollection *children = node->GetDocumentChildren(); if (!children) { // this can happen when anchor is in an InlineUIContainer. printf ("NIEX TextSelection.SetText for anchor == InlineUIContainer.\n"); return; } Run *r = MoonUnmanagedFactory::CreateRun (); r->SetText (text); if (children->Is(Type::BLOCK_COLLECTION)) { // the node takes Blocks as children, so we need to create a Paragraph first. Paragraph *p = MoonUnmanagedFactory::CreateParagraph(); children->Insert (anchor.GetLocation(), Value (p)); children = p->GetInlines(); children->Add (Value (r)); p->unref (); } else { children->Insert (anchor.GetLocation(), Value (r)); } anchor = TextPointer (r, CONTENT_END, anchor.GetLogicalDirection()); moving = TextPointer (r, CONTENT_END, anchor.GetLogicalDirection()); r->unref (); if (anchor.CompareTo_np (moving) < 0) { start = anchor; end = moving; } else { start = moving; end = anchor; } } } g_free (this->text); this->text = NULL; }