From 9c6d3bf474bcc89c958e799bc9c4c37af9935862 Mon Sep 17 00:00:00 2001
From: Simon Rettberg
Date: Mon, 14 Aug 2017 15:19:59 +0200
Subject: Remove more cruft, show error in red

---
 src/loginform.cpp | 56 +++++++++++++++++++++++++++++++++----------------------
 src/loginform.h   |  3 +++
 2 files changed, 37 insertions(+), 22 deletions(-)

diff --git a/src/loginform.cpp b/src/loginform.cpp
index 07d4094..ced5f1e 100644
--- a/src/loginform.cpp
+++ b/src/loginform.cpp
@@ -1,32 +1,23 @@
 /*
 * Copyright (c) 2012-2015 Christian Surlykke
+* 2017 bwLehrpool project
 *
-* This file is part of qt-lightdm-greeter 
+* Based on qt-lightdm-greeter, stripped down to fit
+* our specific needs.
 * It is distributed under the LGPL 2.1 or later license.
 * Please refer to the LICENSE file for a copy of the license.
 */
 #include <QDebug>
-#include <QCompleter>
 #include <QAbstractListModel>
 #include <QModelIndex>
-#include <QFile>
-#include <QTextStream>
-#include <QStringList>
 #include <QPixmap>
 #include <QMessageBox>
 #include <QMenu>
-#include <QProcess>
-#include <QLightDM/UsersModel>
-#include <QMetaMethod>
 
 #include "loginform.h"
 #include "ui_loginform.h"
 #include "settings.h"
 
-int rows(QAbstractItemModel& model) {
-    return model.rowCount(QModelIndex());
-}
-
 LoginForm::LoginForm(QWidget *parent) :
     QWidget(parent), 
     ui(new Ui::LoginForm),
@@ -75,6 +66,10 @@ void LoginForm::initialize()
     cancelLoginTimer.setSingleShot(true);
     connect(&cancelLoginTimer, SIGNAL(timeout()), this, SLOT(cancelLogin()));
 
+    hideMessageTimer.setInterval(10000);
+    hideMessageTimer.setSingleShot(true);
+    connect(&hideMessageTimer, SIGNAL(timeout()), this, SLOT(hideMessage()));
+
     //connect(ui->userInput, SIGNAL(editingFinished()), this, SLOT(userChanged()));
     connect(ui->leaveComboBox, SIGNAL(activated(int)), this, SLOT(leaveDropDownActivated(int)));
     connect(&m_Greeter, SIGNAL(showPrompt(QString, QLightDM::Greeter::PromptType)), this, SLOT(onPrompt(QString, QLightDM::Greeter::PromptType)));
@@ -86,9 +81,6 @@ void LoginForm::initialize()
 
 void LoginForm::startAuthentication()
 {
-	qDebug() << "Start auth";
-    //setCurrentSession(Cache().getLastSession(ui->userInput->text()));
-
 	if (m_Greeter.inAuthentication()) {
 		m_Greeter.cancelAuthentication();
 	}
@@ -101,7 +93,7 @@ void LoginForm::startAuthentication()
     	return;
     }
 
-    ui->messageLabel->setText(tr("Logging in..."));
+    showMessage(tr("Logging in..."), false);
     clearMsg = false;
     ui->userInput->setEnabled(false);
     ui->passwordInput->setEnabled(false);
@@ -128,7 +120,7 @@ void LoginForm::leaveDropDownActivated(int index)
 void LoginForm::onMessage(QString message, QLightDM::Greeter::MessageType type)
 {
 	qDebug() << "Message: " << message;
-	ui->messageLabel->setText(message);
+	showMessage(message, false);
 	clearMsg = true;
 }
 
@@ -143,16 +135,16 @@ void LoginForm::onAuthenticationComplete()
 {
     if (m_Greeter.isAuthenticated()) {
     	qDebug() << "Auth complete, start session";
-    	ui->messageLabel->setText(tr("Starting session..."));
+    	showMessage(tr("Starting session..."), false);
     	QModelIndex i = sessionsModel.index(0, 0);
         if (m_Greeter.startSessionSync(sessionsModel.data(i, QLightDM::SessionsModel::KeyRole).toString())) {
         	cancelLoginTimer.stop();
         } else {
-        	ui->messageLabel->setText(tr("Cannot open session"));
+        	showMessage(tr("Cannot open session"), true);
         	clearMsg = true;
         }
     } else {
-    	qDebug() << "Auth failed, cancelling...";
+    	qDebug() << "Auth failed, canceling...";
     	cancelLogin();
     }
 }
@@ -169,18 +161,38 @@ void LoginForm::cancelLogin()
 	ui->userInput->setEnabled(true);
 	ui->passwordInput->setEnabled(true);
 	if (!clearMsg) {
-		ui->messageLabel->setText(tr("Login failed"));
+		showMessage(tr("Login failed"), true);
+	} else {
+		ui->messageLabel->setStyleSheet("color:red");
 	}
 	ui->userInput->setFocus();
 	ui->userInput->selectAll();
 	clearMsg = true;
 }
 
+void LoginForm::showMessage(QString message, bool error)
+{
+	hideMessageTimer.stop();
+	ui->messageLabel->setText(message);
+	if (error) {
+		ui->messageLabel->setStyleSheet("color:red");
+		hideMessageTimer.start();
+	} else {
+		ui->messageLabel->setStyleSheet("");
+	}
+}
+
+void LoginForm::hideMessage()
+{
+	hideMessageTimer.stop();
+	ui->messageLabel->clear();
+}
+
 void LoginForm::keyPressEvent(QKeyEvent *event)
 {
 	if (clearMsg) {
 		clearMsg = false;
-		ui->messageLabel->clear();
+		hideMessage();
 	}
     if (event->key() == Qt::Key_Return || event->key() == Qt::Key_Enter) {
     	if (!ui->userInput->isEnabled()) {
diff --git a/src/loginform.h b/src/loginform.h
index 6dfc390..b4dde7c 100644
--- a/src/loginform.h
+++ b/src/loginform.h
@@ -44,6 +44,7 @@ public slots:
     void onMessage(QString prompt, QLightDM::Greeter::MessageType messageType);
     void onAuthenticationComplete();
     void cancelLogin();
+    void hideMessage();
 
 protected:
     virtual void keyPressEvent(QKeyEvent *event);
@@ -53,6 +54,7 @@ private:
     void addLeaveEntry(bool canDo, QString iconName, QString text, QString actionName);
     QString currentSession();
     void setCurrentSession(QString session);
+    void showMessage(QString message, bool error);
 
     Ui::LoginForm *ui;
 
@@ -63,6 +65,7 @@ private:
     QMap<int, void (QLightDM::PowerInterface::*)()> powerSlots;
 
     QTimer cancelLoginTimer;
+    QTimer hideMessageTimer;
 
     bool clearMsg;
 };
-- 
cgit v1.2.3-55-g7522