Allow selecting a default account to use with an instance

Signed-off-by: Aaron <10217842+byteduck@users.noreply.github.com>

launcher/LaunchController.cpp

@@ -112,7 +112,19 @@ void LaunchController::decideAccount()
         }
     }
 
+    // Select the account to use. If the instance has a specific account set, that will be used. Otherwise, the default account will be used
+    auto instanceAccountId = m_instance->settings()->get("InstanceAccountId").toString();
+    auto instanceAccountIndex = accounts->findAccountByProfileId(instanceAccountId);
+    if (instanceAccountIndex == -1)
+    {
         m_accountToUse = accounts->defaultAccount();
+    }
+    else
+    {
+        m_accountToUse = accounts->at(instanceAccountIndex);
+    }
+
+
     if (!m_accountToUse)
     {
         // If no default account is set, ask the user which one to use.

launcher/minecraft/MinecraftInstance.cpp

@@ -192,6 +192,10 @@ void MinecraftInstance::loadSpecificSettings()
     m_settings->registerSetting("JoinServerOnLaunch", false);
     m_settings->registerSetting("JoinServerOnLaunchAddress", "");
 
+    // Use account for instance, this does not have a global override
+    m_settings->registerSetting("UseAccountForInstance", false);
+    m_settings->registerSetting("InstanceAccountId", "");
+
     qDebug() << "Instance-type specific settings were loaded!";
 
     setSpecificSettingsLoaded(true);

launcher/ui/pages/instance/InstanceSettingsPage.cpp

@@ -48,18 +48,23 @@
 
 #include "JavaCommon.h"
 #include "Application.h"
+#include "minecraft/auth/AccountList.h"
 
 #include "java/JavaInstallList.h"
 #include "java/JavaUtils.h"
 #include "FileSystem.h"
 
-
 InstanceSettingsPage::InstanceSettingsPage(BaseInstance *inst, QWidget *parent)
     : QWidget(parent), ui(new Ui::InstanceSettingsPage), m_instance(inst)
 {
     m_settings = inst->settings();
     ui->setupUi(this);
 
+    accountMenu = new QMenu(this);
+    // Use undocumented property... https://stackoverflow.com/questions/7121718/create-a-scrollbar-in-a-submenu-qt
+    accountMenu->setStyleSheet("QMenu { menu-scrollable: 1; }");
+    ui->instanceAccountSelector->setMenu(accountMenu);
+
     connect(ui->openGlobalJavaSettingsButton, &QCommandLinkButton::clicked, this, &InstanceSettingsPage::globalSettingsButtonClicked);
     connect(APPLICATION, &Application::globalSettingsAboutToOpen, this, &InstanceSettingsPage::applySettings);
     connect(APPLICATION, &Application::globalSettingsClosed, this, &InstanceSettingsPage::loadSettings);
@@ -75,6 +80,7 @@ bool InstanceSettingsPage::shouldDisplay() const
 InstanceSettingsPage::~InstanceSettingsPage()
 {
     delete ui;
+    delete accountMenu;
 }
 
 void InstanceSettingsPage::globalSettingsButtonClicked(bool)
@@ -275,6 +281,14 @@ void InstanceSettingsPage::applySettings()
         m_settings->reset("JoinServerOnLaunchAddress");
     }
 
+    // Use an account for this instance
+    bool useAccountForInstance = ui->instanceAccountGroupBox->isChecked();
+    m_settings->set("UseAccountForInstance", useAccountForInstance);
+    if (!useAccountForInstance)
+    {
+        m_settings->reset("InstanceAccountId");
+    }
+
     // FIXME: This should probably be called by a signal instead
     m_instance->updateRuntimeContext();
 }
@@ -372,6 +386,9 @@ void InstanceSettingsPage::loadSettings()
 
     ui->serverJoinGroupBox->setChecked(m_settings->get("JoinServerOnLaunch").toBool());
     ui->serverJoinAddress->setText(m_settings->get("JoinServerOnLaunchAddress").toString());
+
+    ui->instanceAccountGroupBox->setChecked(m_settings->get("UseAccountForInstance").toBool());
+    updateAccountsMenu();
 }
 
 void InstanceSettingsPage::on_javaDetectBtn_clicked()
@@ -437,6 +454,70 @@ void InstanceSettingsPage::on_javaTestBtn_clicked()
     checker->run();
 }
 
+void InstanceSettingsPage::updateAccountsMenu()
+{
+    accountMenu->clear();
+
+    auto accounts = APPLICATION->accounts();
+    int accountIndex = accounts->findAccountByProfileId(m_settings->get("InstanceAccountId").toString());
+
+    if (accountIndex != -1)
+    {
+        auto account = accounts->at(accountIndex);
+        ui->instanceAccountSelector->setText(account->profileName());
+        ui->instanceAccountSelector->setIcon(account->getFace());
+    } else {
+        ui->instanceAccountSelector->setText(tr("No default account"));
+        ui->instanceAccountSelector->setIcon(APPLICATION->getThemedIcon("noaccount"));
+    }
+
+    for (int i = 0; i < accounts->count(); i++)
+    {
+        MinecraftAccountPtr account = accounts->at(i);
+        QAction *action = new QAction(account->profileName(), this);
+        action->setData(i);
+        action->setCheckable(true);
+        if (accountIndex == i)
+        {
+            action->setChecked(true);
+        }
+
+        auto face = account->getFace();
+        if(!face.isNull()) {
+            action->setIcon(face);
+        }
+        else {
+            action->setIcon(APPLICATION->getThemedIcon("noaccount"));
+        }
+
+        accountMenu->addAction(action);
+        connect(action, SIGNAL(triggered(bool)), SLOT(changeInstanceAccount()));
+    }
+}
+
+void InstanceSettingsPage::changeInstanceAccount()
+{
+    QAction *sAction = (QAction *)sender();
+
+    // Profile's associated Mojang username
+    if (sAction->data().type() != QVariant::Type::Int)
+        return;
+
+    QVariant data = sAction->data();
+    bool valid = false;
+    int index = data.toInt(&valid);
+    if(!valid) {
+        index = -1;
+    }
+    auto accounts = APPLICATION->accounts();
+    auto account = accounts->at(index);
+
+    m_settings->set("InstanceAccountId", account->profileId());
+
+    ui->instanceAccountSelector->setText(account->profileName());
+    ui->instanceAccountSelector->setIcon(account->getFace());
+}
+
 void InstanceSettingsPage::on_maxMemSpinBox_valueChanged(int i)
 {
     updateThresholds();

launcher/ui/pages/instance/InstanceSettingsPage.h

@@ -37,12 +37,13 @@
 
 #include <QWidget>
 
-#include "java/JavaChecker.h"
-#include "BaseInstance.h"
 #include <QObjectPtr.h>
-#include "ui/pages/BasePage.h"
+#include <QMenu>
-#include "JavaCommon.h"
 #include "Application.h"
+#include "BaseInstance.h"
+#include "JavaCommon.h"
+#include "java/JavaChecker.h"
+#include "ui/pages/BasePage.h"
 
 class JavaChecker;
 namespace Ui
@@ -92,9 +93,13 @@ private slots:
 
     void globalSettingsButtonClicked(bool checked);
 
+    void updateAccountsMenu();
+    void changeInstanceAccount();
+
 private:
     Ui::InstanceSettingsPage *ui;
     BaseInstance *m_instance;
     SettingsObjectPtr m_settings;
     unique_qobject_ptr<JavaCommon::TestCheck> checker;
+    QMenu *accountMenu = nullptr;
 };

launcher/ui/pages/instance/InstanceSettingsPage.ui

@@ -608,6 +608,48 @@
          </layout>
         </widget>
        </item>
+       <item>
+        <widget class="QGroupBox" name="instanceAccountGroupBox">
+         <property name="title">
+          <string>Set a default account to use with this instance</string>
+         </property>
+         <property name="checkable">
+          <bool>true</bool>
+         </property>
+         <property name="checked">
+          <bool>false</bool>
+         </property>
+         <layout class="QVBoxLayout" name="verticalLayout_11">
+          <item>
+           <layout class="QGridLayout" name="instanceAccountLayout">
+            <item row="0" column="0">
+             <widget class="QLabel" name="instanceAccountNameLabel">
+              <property name="sizePolicy">
+               <sizepolicy hsizetype="Expanding" vsizetype="Preferred">
+                <horstretch>0</horstretch>
+                <verstretch>0</verstretch>
+               </sizepolicy>
+              </property>
+              <property name="text">
+               <string>Account:</string>
+              </property>
+             </widget>
+            </item>
+            <item row="0" column="1">
+             <widget class="QToolButton" name="instanceAccountSelector">
+              <property name="popupMode">
+               <enum>QToolButton::InstantPopup</enum>
+              </property>
+              <property name="toolButtonStyle">
+               <enum>Qt::ToolButtonTextBesideIcon</enum>
+              </property>
+             </widget>
+            </item>
+           </layout>
+          </item>
+         </layout>
+        </widget>
+       </item>
        <item>
         <spacer name="verticalSpacerMiscellaneous">
          <property name="orientation">