From 2acfd00d76b79c49b61f651b5459f65803601a95 Mon Sep 17 00:00:00 2001
From: Stiepen22 <stiepen22@gmx.de>
Date: Fri, 6 Sep 2013 17:08:12 +0200
Subject: Implemented basic offline mode

---
 MultiMC.pro         |  3 ++-
 gui/logindialog.cpp | 22 ++++++++++++++++++++++
 gui/logindialog.h   |  9 +++++++++
 gui/mainwindow.cpp  | 28 ++++++++++++++++++++--------
 4 files changed, 53 insertions(+), 9 deletions(-)

diff --git a/MultiMC.pro b/MultiMC.pro
index 6af1ec0d..b3b7faff 100644
--- a/MultiMC.pro
+++ b/MultiMC.pro
@@ -39,7 +39,8 @@ HEADERS  += gui/mainwindow.h \
 FORMS    += gui/mainwindow.ui \
     gui/settingsdialog.ui \
     gui/modeditwindow.ui \
-    gui/instancesettings.ui
+    gui/instancesettings.ui \
+    gui/logindialog.ui
 
 RESOURCES += \
     multimc.qrc
diff --git a/gui/logindialog.cpp b/gui/logindialog.cpp
index 3b44c440..a4dad1c1 100644
--- a/gui/logindialog.cpp
+++ b/gui/logindialog.cpp
@@ -24,12 +24,21 @@ LoginDialog::LoginDialog(QWidget *parent, const QString& loginErrMsg) :
 {
 	ui->setupUi(this);
 	
+	//TODO: make translateable
+	offlineButton = new QPushButton("Offline Once");
+	
+	ui->loginButtonBox->addButton(offlineButton, QDialogButtonBox::ActionRole);
+	
 	blockToggles = false;
+	isOnline_ = true;
+	onlineForced = false;
+	
 	//FIXME: translateable?
 	ui->usernameTextBox->lineEdit()->setPlaceholderText(QApplication::translate("LoginDialog", "Name", 0));
 	
 	connect(ui->usernameTextBox, SIGNAL(currentTextChanged(QString)), this, SLOT(userTextChanged(QString)));
 	connect(ui->forgetButton, SIGNAL(clicked(bool)), this, SLOT(forgetCurrentUser()));
+	connect(offlineButton, SIGNAL(clicked(bool)), this, SLOT(launchOffline()));
 	
 	if (loginErrMsg.isEmpty())
 		ui->loginErrorLabel->setVisible(false);
@@ -60,6 +69,7 @@ LoginDialog::LoginDialog(QWidget *parent, const QString& loginErrMsg) :
 
 LoginDialog::~LoginDialog()
 {
+	delete offlineButton;
 	delete ui;
 }
 
@@ -173,3 +183,15 @@ void LoginDialog::accept()
 	}
 	QDialog::accept();
 }
+
+void LoginDialog::launchOffline() 
+{
+	isOnline_ = false;
+	QDialog::accept();
+}
+
+void LoginDialog::forceOnline()
+{
+	onlineForced = true;
+	offlineButton->setEnabled(false);
+}
\ No newline at end of file
diff --git a/gui/logindialog.h b/gui/logindialog.h
index 3bb45753..f7c0e930 100644
--- a/gui/logindialog.h
+++ b/gui/logindialog.h
@@ -17,6 +17,7 @@
 #define LOGINDIALOG_H
 
 #include <QDialog>
+#include <QPushButton>
 
 namespace Ui {
 class LoginDialog;
@@ -32,6 +33,10 @@ public:
 	
 	QString getUsername() const;
 	QString getPassword() const;
+	
+	inline bool isOnline() { return isOnline_; }
+	
+	void forceOnline();
 
 public slots:
 	virtual void accept();
@@ -40,9 +45,13 @@ public slots:
 private slots:
 	void usernameToggled ( bool );
 	void passwordToggled ( bool );
+	void launchOffline();
 private:
 	Ui::LoginDialog *ui;
 	bool blockToggles;
+	QPushButton *offlineButton;
+	bool isOnline_;
+	bool onlineForced;
 };
 
 #endif // LOGINDIALOG_H
diff --git a/gui/mainwindow.cpp b/gui/mainwindow.cpp
index 7cdf93ad..4ccc12b6 100644
--- a/gui/mainwindow.cpp
+++ b/gui/mainwindow.cpp
@@ -473,17 +473,29 @@ void MainWindow::doLogin(const QString& errorMsg)
 		return;
 	
 	LoginDialog* loginDlg = new LoginDialog(this, errorMsg);
+	if (!m_selectedInstance->lastLaunch())
+		loginDlg->forceOnline();
+	  
 	loginDlg->exec();
 	if(loginDlg->result() == QDialog::Accepted)
 	{
-		UserInfo uInfo{loginDlg->getUsername(), loginDlg->getPassword()};
-
-		TaskDialog* tDialog = new TaskDialog(this);
-		LoginTask* loginTask = new LoginTask(uInfo, tDialog);
-		connect(loginTask, SIGNAL(succeeded()),SLOT(onLoginComplete()), Qt::QueuedConnection);
-		connect(loginTask, SIGNAL(failed(QString)), SLOT(doLogin(QString)), Qt::QueuedConnection);
-		m_activeInst = m_selectedInstance;
-		tDialog->exec(loginTask);
+		if (loginDlg->isOnline()) 
+		{
+			UserInfo uInfo{loginDlg->getUsername(), loginDlg->getPassword()};
+
+			TaskDialog* tDialog = new TaskDialog(this);
+			LoginTask* loginTask = new LoginTask(uInfo, tDialog);
+			connect(loginTask, SIGNAL(succeeded()),SLOT(onLoginComplete()), Qt::QueuedConnection);
+			connect(loginTask, SIGNAL(failed(QString)), SLOT(doLogin(QString)), Qt::QueuedConnection);
+			m_activeInst = m_selectedInstance;
+			tDialog->exec(loginTask);
+		}
+		else
+		{
+			m_activeLogin = {loginDlg->getUsername(), QString("Offline"), qint64(-1)};
+			m_activeInst = m_selectedInstance;
+			launchInstance(m_activeInst, m_activeLogin);
+		}
 	}
 }
 
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