Fixes to auto-indent buffer.

src/source_clang.cc

@@ -944,11 +944,26 @@ Source::ClangViewAutocomplete(file_path, project_path, language) {
     auto exit_code=Singleton::terminal()->execute(stdout_stream, command);
     if(exit_code==0) {
       get_source_buffer()->begin_user_action();
-      auto cursor_line_nr=get_buffer()->get_insert()->get_iter().get_line();
+      auto iter=get_buffer()->get_insert()->get_iter();
+      auto cursor_line_nr=iter.get_line();
+      auto cursor_line_offset=iter.get_line_offset();
+      
       get_buffer()->erase(get_buffer()->begin(), get_buffer()->end());
       get_buffer()->insert(get_buffer()->begin(), stdout_stream.str());
-      if(cursor_line_nr<get_buffer()->get_line_count())
-        get_buffer()->place_cursor(get_buffer()->get_iter_at_line(cursor_line_nr));
+      
+      cursor_line_nr=std::min(cursor_line_nr, get_buffer()->get_line_count()-1);
+      if(cursor_line_nr>=0) {
+        iter=get_buffer()->get_iter_at_line(cursor_line_nr);
+        for(int c=0;c<cursor_line_offset;c++) {
+          if(iter.ends_line())
+            break;
+          iter.forward_char();
+        }
+        get_buffer()->place_cursor(iter);
+        while(gtk_events_pending())
+          gtk_main_iteration();
+        scroll_to(get_buffer()->get_insert(), 0.0, 1.0, 0.5);
+      }
       get_source_buffer()->end_user_action();
       set_tab_char_and_size(' ', tab_size); //clang-format only does basic indentation with spaces as I understand it
     }

src/terminal.cc

@@ -225,7 +225,7 @@ int Terminal::execute(std::iostream &stdout_stream, const std::string &command,
           next_char_iter++;
           umessage.replace(iter, next_char_iter, "?");
         }
-        stdout_stream << umessage;
+        stdout_stream.write(umessage.data(), n);
       }
     });
     stdout_thread.detach();

src/terminal_win.cc

@@ -277,7 +277,7 @@ int Terminal::execute(std::iostream &stdout_stream, const std::string &command,
         next_char_iter++;
         umessage.replace(iter, next_char_iter, "?");
       }
-      stdout_stream << umessage;
+      stdout_stream.write(umessage.data(), static_cast<ssize_t>(n));
     }
   });
   stdout_thread.detach();