Show running app in Apps page

src/confighttp.cpp

@@ -552,6 +552,8 @@ namespace confighttp {
         }
       }
 
+      file_tree["current_app"] = proc::proc.get_running_app_uuid();
+
       send_response(response, file_tree);
     } catch (std::exception &e) {
       BOOST_LOG(warning) << "GetApps: "sv << e.what();

src/process.cpp

@@ -604,6 +604,7 @@ namespace proc {
 
     _app_id = -1;
     _app_name.clear();
+    _app = {};
     display_name.clear();
     initial_display.clear();
     _launch_session.reset();
@@ -636,6 +637,10 @@ namespace proc {
     return _app_name;
   }
 
+  std::string proc_t::get_running_app_uuid() {
+    return _app.uuid;
+  }
+
   boost::process::environment proc_t::get_env() {
     return _env;
   }

src/process.h

@@ -117,6 +117,7 @@ namespace proc {
     std::vector<ctx_t> &get_apps();
     std::string get_app_image(int app_id);
     std::string get_last_run_app_name();
+    std::string get_running_app_uuid();
     boost::process::environment get_env();
     void terminate(bool immediate = false);