+
+void Window::resizeEvent(QResizeEvent *event)
+{
+ QSettings().setValue(WINDOW_GEOM_KEY, saveGeometry());
+ QWidget::resizeEvent(event);
+}
+
+void Window::moveEvent(QMoveEvent *event)
+{
+ QSettings().setValue(WINDOW_GEOM_KEY, saveGeometry());
+ QWidget::moveEvent(event);
+}
+
+void Window::sorted_insert(QStringList& list, const QCollator& collator, const QString& value)
+{
+ int start = 0;
+ int end = list.size() - 1;
+ int index = 0;
+ while (start <= end){
+ int mid = (start+end)/2;
+ if (list[mid] == value) {
+ return;
+ }
+ int compare = collator.compare(value, list[mid]);
+ if (compare < 0) {
+ end = mid-1;
+ index = mid;
+ } else {
+ start = mid+1;
+ index = start;
+ }
+ }
+
+ list.insert(index, value);
+}
+
+void Window::build_folder_file_list()
+{
+ QString current_folder_path = QFileInfo(current_file).absoluteDir().absolutePath();
+ if (!lookup_folder_files.isEmpty())
+ {
+ if (current_folder_path == lookup_folder) {
+ return;
+ }
+
+ lookup_folder_files.clear();
+ }
+ lookup_folder = current_folder_path;
+
+ QCollator collator;
+ collator.setNumericMode(true);
+
+ QDirIterator dirIterator(lookup_folder, QStringList() << "*.stl", QDir::Files | QDir::Readable | QDir::Hidden);
+ while (dirIterator.hasNext()) {
+ dirIterator.next();
+
+ QString name = dirIterator.fileName();
+ sorted_insert(lookup_folder_files, collator, name);
+ }
+}
+
+QPair<QString, QString> Window::get_file_neighbors()
+{
+ if (current_file.isEmpty()) {
+ return QPair<QString, QString>(QString(), QString());
+ }
+
+ build_folder_file_list();
+
+ QFileInfo fileInfo(current_file);
+
+ QString current_dir = fileInfo.absoluteDir().absolutePath();
+ QString current_name = fileInfo.fileName();
+
+ QString prev = QString();
+ QString next = QString();
+
+ QListIterator<QString> fileIterator(lookup_folder_files);
+ while (fileIterator.hasNext()) {
+ QString name = fileIterator.next();
+
+ if (name == current_name) {
+ if (fileIterator.hasNext()) {
+ next = current_dir + QDir::separator() + fileIterator.next();
+ }
+ break;
+ }
+
+ prev = name;
+ }
+
+ if (!prev.isEmpty()) {
+ prev.prepend(QDir::separator());
+ prev.prepend(current_dir);
+ }
+
+ return QPair<QString, QString>(prev, next);
+}
+
+bool Window::load_prev(void)
+{
+ QPair<QString, QString> neighbors = get_file_neighbors();
+ if (neighbors.first.isEmpty()) {
+ return false;
+ }
+
+ return load_stl(neighbors.first);
+}
+
+bool Window::load_next(void)
+{
+ QPair<QString, QString> neighbors = get_file_neighbors();
+ if (neighbors.second.isEmpty()) {
+ return false;
+ }
+
+ return load_stl(neighbors.second);
+}
+
+void Window::keyPressEvent(QKeyEvent* event)
+{
+ if (!open_action->isEnabled())
+ {
+ QMainWindow::keyPressEvent(event);
+ return;
+ }
+
+ if (event->key() == Qt::Key_Left)
+ {
+ load_prev();
+ return;
+ }
+ else if (event->key() == Qt::Key_Right)
+ {
+ load_next();
+ return;
+ }
+ else if (event->key() == Qt::Key_Escape)
+ {
+ hide_menuBar_action->setChecked(false);
+ return;
+ }
+
+ QMainWindow::keyPressEvent(event);
+}