Goto method selection window will now show even if cursor is not in view.

src/source.cc

@@ -2158,7 +2158,16 @@ Source::ClangViewAutocomplete(file_path, project_path, language) {
   
   goto_method=[this](){    
     if(source_readable) {
-      selection_dialog=std::unique_ptr<SelectionDialog>(new SelectionDialog(*this, get_buffer()->create_mark(get_buffer()->get_insert()->get_iter())));
+      auto iter=get_buffer()->get_insert()->get_iter();
+      Gdk::Rectangle visible_rect;
+      get_visible_rect(visible_rect);
+      Gdk::Rectangle iter_rect;
+      get_iter_location(iter, iter_rect);
+      iter_rect.set_width(1);
+      if(!visible_rect.intersects(iter_rect)) {
+        get_iter_at_location(iter, 0, visible_rect.get_y()+visible_rect.get_height()/3);
+      }
+      selection_dialog=std::unique_ptr<SelectionDialog>(new SelectionDialog(*this, get_buffer()->create_mark(iter)));
       auto rows=std::make_shared<std::unordered_map<std::string, clang::Offset> >();
       auto methods=clang_tokens->get_cxx_methods();
       if(methods.size()==0)