Show usages: now sets dialog cursor on the current usage

src/selectiondialog.cc

@@ -115,9 +115,24 @@ void SelectionDialogBase::show() {
   window->show_all();
   
   if(list_view_text.get_model()->children().size()>0) {
+    if(!list_view_text.get_selection()->get_selected()) {
       list_view_text.set_cursor(list_view_text.get_model()->get_path(list_view_text.get_model()->children().begin()));
       cursor_changed();
     }
+    else if(list_view_text.get_model()->children().begin()!=list_view_text.get_selection()->get_selected()) {
+      while(g_main_context_pending(NULL))
+        g_main_context_iteration(NULL, false);
+      list_view_text.scroll_to_row(list_view_text.get_model()->get_path(list_view_text.get_selection()->get_selected()), 0.5);
+    }
+  }
+}
+
+void SelectionDialogBase::set_cursor_at_last_row() {
+  auto children=list_view_text.get_model()->children();
+  if(children.size()>0) {
+    list_view_text.set_cursor(list_view_text.get_model()->get_path(children[children.size()-1]));
+    cursor_changed();
+  }
 }
 
 void SelectionDialogBase::hide() {

src/selectiondialog.h

@@ -28,6 +28,7 @@ public:
   SelectionDialogBase(Gtk::TextView& text_view, Glib::RefPtr<Gtk::TextBuffer::Mark> start_mark, bool show_search_entry, bool use_markup);
   ~SelectionDialogBase();
   void add_row(const std::string& row);
+  void set_cursor_at_last_row();
   void show();
   void hide();
   void move();

src/window.cc

@@ -488,18 +488,28 @@ void Window::set_menu_actions() {
       if(view->get_usages) {
         auto usages=view->get_usages(Notebook::get().get_views());
         if(!usages.empty()) {
-          auto iter=view->get_iter_for_dialog();
-          view->selection_dialog=std::unique_ptr<SelectionDialog>(new SelectionDialog(*view, view->get_buffer()->create_mark(iter), true, true));
+          auto dialog_iter=view->get_iter_for_dialog();
+          view->selection_dialog=std::unique_ptr<SelectionDialog>(new SelectionDialog(*view, view->get_buffer()->create_mark(dialog_iter), true, true));
           auto rows=std::make_shared<std::unordered_map<std::string, Source::Offset> >();
           
+          auto iter=view->get_buffer()->get_insert()->get_iter();
           for(auto &usage: usages) {
             std::string row;
-            //add file name if usage is not in current tab
-            if(view->file_path!=usage.first.file_path)
+            bool current_page=true;
+            //add file name if usage is not in current page
+            if(view->file_path!=usage.first.file_path) {
               row=usage.first.file_path.filename().string()+":";
+              current_page=false;
+            }
             row+=std::to_string(usage.first.line+1)+": "+usage.second;
             (*rows)[row]=usage.first;
             view->selection_dialog->add_row(row);
+            
+            //Set dialog cursor to the last row if the textview cursor is at the same line
+            if(current_page) {
+              if(iter.get_line()==static_cast<int>(usage.first.line) && iter.get_line_index()>=static_cast<int>(usage.first.index))
+                view->selection_dialog->set_cursor_at_last_row();
+            }
           }
           
           if(rows->size()==0)