user input, filtering too soon breaks the treeview

main.cpp

@@ -4,27 +4,27 @@
 
 int main(int argc, char *argv[])
 {
+    QString text = "";
+    for (int i = 1; i < argc; ++i) {
+        if (i > 1) {
+            text += " ";
+        }
+        text += argv[i];
+    }
 #if SINGLE_APP
-    SingleApplication app(argc, argv, "ijhackQtPass");
+    QString name = qgetenv("USER");
+    if (name.isEmpty())
+        name = qgetenv("USERNAME");
+    //qDebug() << name;
+    SingleApplication app(argc, argv, name + "QtPass");
     if (app.isRunning()) {
-        if (argc == 1 ) {
-            app.sendMessage("show");
-        } else if (argc >= 2) {
-            QString text = "";
-            for (int i = 1; i < argc; ++i) {
-                text += argv[i];
-                if (argc >= (i - 2)) {
-                    text += " ";
-                }
-                app.sendMessage(text);
-            }
-        }
+        app.sendMessage(text);
         return 0;
     }
 #else
     QApplication app(argc, argv);
 #endif
-   
+
     QCoreApplication::setOrganizationName("IJHack");
     QCoreApplication::setOrganizationDomain("ijhack.org");
     QCoreApplication::setApplicationName("QtPass");
@@ -42,6 +42,7 @@ int main(int argc, char *argv[])
     app.setWindowIcon(QIcon(":artwork/icon.png"));
     w.setApp(&app);
     w.checkConfig();
+    w.setText(text);
     w.show();
 
     return app.exec();

mainwindow.cpp

@@ -853,7 +853,7 @@ void MainWindow::setApp(SingleApplication *app)
  */
 void MainWindow::messageAvailable(QString message)
 {
-    if (message == "show") {
+    if (message == "") {
         ui->lineEdit->selectAll();
         ui->lineEdit->setFocus();
     } else {
@@ -864,3 +864,12 @@ void MainWindow::messageAvailable(QString message)
     show();
     raise();
 }
+
+/**
+ * @brief MainWindow::setText
+ * @param message
+ */
+void MainWindow::setText(QString text)
+{
+    ui->lineEdit->setText(text);
+}

mainwindow.h

@@ -39,6 +39,7 @@ enum actionType { GPG, GIT, EDIT, DELETE, GPG_INTERNAL };
     void setGpgExecutable(QString);
     void checkConfig();
     void setApp(SingleApplication* app);
+    void setText(QString);
 
 private slots:
     void on_updateButton_clicked();