set main window title based on open directory in tree view

src/directories.cpp

@@ -5,6 +5,7 @@
 #include "source.hpp"
 #include "terminal.hpp"
 #include "utility.hpp"
+#include "window.hpp"
 #include <algorithm>
 
 bool Directories::TreeStore::row_drop_possible_vfunc(const Gtk::TreeModel::Path &path, const Gtk::SelectionData &selection_data) const {
@@ -433,6 +434,7 @@ void Directories::open(const boost::filesystem::path &dir_path) {
   directories.clear();
 
   add_or_update_path(path, Gtk::TreeModel::Row(), true);
+  Window::get().set_title(path);
 
   if(auto view = Notebook::get().get_current_view())
     view->update_status_file_path(view);

src/window.cpp

@@ -170,7 +170,16 @@ Window::Window() {
   about.set_comments("This is an open source IDE with high-end features to make your programming experience juicy");
   about.set_license_type(Gtk::License::LICENSE_MIT_X11);
   about.set_transient_for(*this);
-} // Window constructor
+}
+
+/// Sets the title to the filename part of the path passed
+void Window::set_title(const boost::filesystem::path &p) {
+  const auto tmp = p.filename();
+  if(tmp.empty()) {
+    return ApplicationWindow::set_title("juCi++");
+  }
+  ApplicationWindow::set_title(tmp.string() + " – juCi++");
+}
 
 void Window::configure() {
   Config::get().load();

src/window.hpp

@@ -15,6 +15,7 @@ public:
   void add_widgets();
   void save_session();
   void load_session(std::vector<boost::filesystem::path> &directories, std::vector<std::pair<boost::filesystem::path, size_t>> &files, std::vector<std::pair<int, int>> &file_offsets, boost::filesystem::path &current_file, bool read_directories_and_files);
+  void set_title(const boost::filesystem::path &p);
 
 protected:
   bool on_key_press_event(GdkEventKey *event) override;
@@ -24,7 +25,6 @@ private:
   Gtk::AboutDialog about;
   Gtk::ScrolledWindow directories_scrolled_window, terminal_scrolled_window;
   Gtk::Overlay status_overlay;
-
   void configure();
   void set_menu_actions();
   void search_and_replace_entry();