NOISSUE continue reshuffling the codebase

38 files changed, 3100 insertions, 0 deletions

diff --git a/launcher/ui/widgets/Common.cpp b/launcher/ui/widgets/Common.cpp
new file mode 100644
index 00000000..f72f3596
--- /dev/null
+++ b/launcher/ui/widgets/Common.cpp
@@ -0,0 +1,27 @@
+#include "Common.h"
+
+// Origin: Qt
+QStringList viewItemTextLayout(QTextLayout &textLayout, int lineWidth, qreal &height,
+                               qreal &widthUsed)
+{
+    QStringList lines;
+    height = 0;
+    widthUsed = 0;
+    textLayout.beginLayout();
+    QString str = textLayout.text();
+    while (true)
+    {
+        QTextLine line = textLayout.createLine();
+        if (!line.isValid())
+            break;
+        if (line.textLength() == 0)
+            break;
+        line.setLineWidth(lineWidth);
+        line.setPosition(QPointF(0, height));
+        height += line.height();
+        lines.append(str.mid(line.textStart(), line.textLength()));
+        widthUsed = qMax(widthUsed, line.naturalTextWidth());
+    }
+    textLayout.endLayout();
+    return lines;
+}
diff --git a/launcher/ui/widgets/Common.h b/launcher/ui/widgets/Common.h
new file mode 100644
index 00000000..b3fbe1a0
--- /dev/null
+++ b/launcher/ui/widgets/Common.h
@@ -0,0 +1,6 @@
+#pragma once
+#include <QStringList>
+#include <QTextLayout>
+
+QStringList viewItemTextLayout(QTextLayout &textLayout, int lineWidth, qreal &height,
+                        qreal &widthUsed);
\ No newline at end of file
diff --git a/launcher/ui/widgets/CustomCommands.cpp b/launcher/ui/widgets/CustomCommands.cpp
new file mode 100644
index 00000000..24bdc07d
--- /dev/null
+++ b/launcher/ui/widgets/CustomCommands.cpp
@@ -0,0 +1,49 @@
+#include "CustomCommands.h"
+#include "ui_CustomCommands.h"
+
+CustomCommands::~CustomCommands()
+{
+    delete ui;
+}
+
+CustomCommands::CustomCommands(QWidget* parent):
+    QWidget(parent),
+    ui(new Ui::CustomCommands)
+{
+    ui->setupUi(this);
+}
+
+void CustomCommands::initialize(bool checkable, bool checked, const QString& prelaunch, const QString& wrapper, const QString& postexit)
+{
+    ui->customCommandsGroupBox->setCheckable(checkable);
+    if(checkable)
+    {
+        ui->customCommandsGroupBox->setChecked(checked);
+    }
+    ui->preLaunchCmdTextBox->setText(prelaunch);
+    ui->wrapperCmdTextBox->setText(wrapper);
+    ui->postExitCmdTextBox->setText(postexit);
+}
+
+
+bool CustomCommands::checked() const
+{
+    if(!ui->customCommandsGroupBox->isCheckable())
+        return true;
+    return ui->customCommandsGroupBox->isChecked();
+}
+
+QString CustomCommands::prelaunchCommand() const
+{
+    return ui->preLaunchCmdTextBox->text();
+}
+
+QString CustomCommands::wrapperCommand() const
+{
+    return ui->wrapperCmdTextBox->text();
+}
+
+QString CustomCommands::postexitCommand() const
+{
+    return ui->postExitCmdTextBox->text();
+}
diff --git a/launcher/ui/widgets/CustomCommands.h b/launcher/ui/widgets/CustomCommands.h
new file mode 100644
index 00000000..8db991fa
--- /dev/null
+++ b/launcher/ui/widgets/CustomCommands.h
@@ -0,0 +1,43 @@
+/* Copyright 2018-2021 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <QWidget>
+
+namespace Ui
+{
+class CustomCommands;
+}
+
+class CustomCommands : public QWidget
+{
+    Q_OBJECT
+
+public:
+    explicit CustomCommands(QWidget *parent = 0);
+    virtual ~CustomCommands();
+    void initialize(bool checkable, bool checked, const QString & prelaunch, const QString & wrapper, const QString & postexit);
+
+    bool checked() const;
+    QString prelaunchCommand() const;
+    QString wrapperCommand() const;
+    QString postexitCommand() const;
+
+private:
+    Ui::CustomCommands *ui;
+};
+
+
diff --git a/launcher/ui/widgets/CustomCommands.ui b/launcher/ui/widgets/CustomCommands.ui
new file mode 100644
index 00000000..21964ad2
--- /dev/null
+++ b/launcher/ui/widgets/CustomCommands.ui
@@ -0,0 +1,107 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>CustomCommands</class>
+ <widget class="QWidget" name="CustomCommands">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>518</width>
+    <height>646</height>
+   </rect>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <property name="leftMargin">
+    <number>0</number>
+   </property>
+   <property name="topMargin">
+    <number>0</number>
+   </property>
+   <property name="rightMargin">
+    <number>0</number>
+   </property>
+   <property name="bottomMargin">
+    <number>0</number>
+   </property>
+   <item>
+    <widget class="QGroupBox" name="customCommandsGroupBox">
+     <property name="enabled">
+      <bool>true</bool>
+     </property>
+     <property name="title">
+      <string>Cus&amp;tom Commands</string>
+     </property>
+     <property name="checkable">
+      <bool>true</bool>
+     </property>
+     <property name="checked">
+      <bool>false</bool>
+     </property>
+     <layout class="QGridLayout" name="gridLayout_4">
+      <item row="2" column="0">
+       <widget class="QLabel" name="labelPostExitCmd">
+        <property name="text">
+         <string>Post-exit command:</string>
+        </property>
+       </widget>
+      </item>
+      <item row="0" column="1">
+       <widget class="QLineEdit" name="preLaunchCmdTextBox"/>
+      </item>
+      <item row="0" column="0">
+       <widget class="QLabel" name="labelPreLaunchCmd">
+        <property name="text">
+         <string>Pre-launch command:</string>
+        </property>
+       </widget>
+      </item>
+      <item row="2" column="1">
+       <widget class="QLineEdit" name="postExitCmdTextBox"/>
+      </item>
+      <item row="1" column="0">
+       <widget class="QLabel" name="labelWrapperCmd">
+        <property name="text">
+         <string>Wrapper command:</string>
+        </property>
+       </widget>
+      </item>
+      <item row="1" column="1">
+       <widget class="QLineEdit" name="wrapperCmdTextBox"/>
+      </item>
+     </layout>
+    </widget>
+   </item>
+   <item>
+    <widget class="QLabel" name="labelCustomCmdsDescription">
+     <property name="text">
+      <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Pre-launch command runs before the instance launches and post-exit command runs after it exits.&lt;/p&gt;&lt;p&gt;Both will be run in the launcher's working folder with extra environment variables:&lt;/p&gt;&lt;ul&gt;&lt;li&gt;$INST_NAME - Name of the instance&lt;/li&gt;&lt;li&gt;$INST_ID - ID of the instance (its folder name)&lt;/li&gt;&lt;li&gt;$INST_DIR - absolute path of the instance&lt;/li&gt;&lt;li&gt;$INST_MC_DIR - absolute path of minecraft&lt;/li&gt;&lt;li&gt;$INST_JAVA - java binary used for launch&lt;/li&gt;&lt;li&gt;$INST_JAVA_ARGS - command-line parameters used for launch&lt;/li&gt;&lt;/ul&gt;&lt;p&gt;Wrapper command allows launching using an extra wrapper program (like 'optirun' on Linux)&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+     </property>
+     <property name="alignment">
+      <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignTop</set>
+     </property>
+     <property name="wordWrap">
+      <bool>true</bool>
+     </property>
+     <property name="textInteractionFlags">
+      <set>Qt::LinksAccessibleByMouse|Qt::TextSelectableByMouse</set>
+     </property>
+    </widget>
+   </item>
+   <item>
+    <spacer name="verticalSpacer">
+     <property name="orientation">
+      <enum>Qt::Vertical</enum>
+     </property>
+     <property name="sizeHint" stdset="0">
+      <size>
+       <width>20</width>
+       <height>40</height>
+      </size>
+     </property>
+    </spacer>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>
diff --git a/launcher/ui/widgets/DropLabel.cpp b/launcher/ui/widgets/DropLabel.cpp
new file mode 100644
index 00000000..a900e57c
--- /dev/null
+++ b/launcher/ui/widgets/DropLabel.cpp
@@ -0,0 +1,41 @@
+#include "DropLabel.h"
+
+#include <QMimeData>
+#include <QDropEvent>
+
+DropLabel::DropLabel(QWidget *parent) : QLabel(parent)
+{
+    setAcceptDrops(true);
+}
+
+void DropLabel::dragEnterEvent(QDragEnterEvent *event)
+{
+    event->acceptProposedAction();
+}
+
+void DropLabel::dragMoveEvent(QDragMoveEvent *event)
+{
+    event->acceptProposedAction();
+}
+
+void DropLabel::dragLeaveEvent(QDragLeaveEvent *event)
+{
+    event->accept();
+}
+
+void DropLabel::dropEvent(QDropEvent *event)
+{
+    const QMimeData *mimeData = event->mimeData();
+
+    if (!mimeData)
+    {
+        return;
+    }
+
+    if (mimeData->hasUrls()) {
+        auto urls = mimeData->urls();
+        emit droppedURLs(urls);
+    }
+
+    event->acceptProposedAction();
+}
diff --git a/launcher/ui/widgets/DropLabel.h b/launcher/ui/widgets/DropLabel.h
new file mode 100644
index 00000000..c5ca0bcc
--- /dev/null
+++ b/launcher/ui/widgets/DropLabel.h
@@ -0,0 +1,20 @@
+#pragma once
+
+#include <QLabel>
+
+class DropLabel : public QLabel
+{
+    Q_OBJECT
+
+public:
+    explicit DropLabel(QWidget *parent = nullptr);
+
+signals:
+    void droppedURLs(QList<QUrl> urls);
+
+protected:
+    void dropEvent(QDropEvent *event) override;
+    void dragEnterEvent(QDragEnterEvent *event) override;
+    void dragMoveEvent(QDragMoveEvent *event) override;
+    void dragLeaveEvent(QDragLeaveEvent *event) override;
+};
diff --git a/launcher/ui/widgets/FocusLineEdit.cpp b/launcher/ui/widgets/FocusLineEdit.cpp
new file mode 100644
index 00000000..b272100c
--- /dev/null
+++ b/launcher/ui/widgets/FocusLineEdit.cpp
@@ -0,0 +1,25 @@
+#include "FocusLineEdit.h"
+#include <QDebug>
+
+FocusLineEdit::FocusLineEdit(QWidget *parent) : QLineEdit(parent)
+{
+    _selectOnMousePress = false;
+}
+
+void FocusLineEdit::focusInEvent(QFocusEvent *e)
+{
+    QLineEdit::focusInEvent(e);
+    selectAll();
+    _selectOnMousePress = true;
+}
+
+void FocusLineEdit::mousePressEvent(QMouseEvent *me)
+{
+    QLineEdit::mousePressEvent(me);
+    if (_selectOnMousePress)
+    {
+        selectAll();
+        _selectOnMousePress = false;
+    }
+    qDebug() << selectedText();
+}
diff --git a/launcher/ui/widgets/FocusLineEdit.h b/launcher/ui/widgets/FocusLineEdit.h
new file mode 100644
index 00000000..71b4f140
--- /dev/null
+++ b/launcher/ui/widgets/FocusLineEdit.h
@@ -0,0 +1,17 @@
+#include <QLineEdit>
+
+class FocusLineEdit : public QLineEdit
+{
+    Q_OBJECT
+public:
+    FocusLineEdit(QWidget *parent);
+    virtual ~FocusLineEdit()
+    {
+    }
+
+protected:
+    void focusInEvent(QFocusEvent *e);
+    void mousePressEvent(QMouseEvent *me);
+
+    bool _selectOnMousePress;
+};
diff --git a/launcher/ui/widgets/IconLabel.cpp b/launcher/ui/widgets/IconLabel.cpp
new file mode 100644
index 00000000..bf1c2358
--- /dev/null
+++ b/launcher/ui/widgets/IconLabel.cpp
@@ -0,0 +1,43 @@
+#include "IconLabel.h"
+
+#include <QStyle>
+#include <QStyleOption>
+#include <QLayout>
+#include <QPainter>
+#include <QRect>
+
+IconLabel::IconLabel(QWidget *parent, QIcon icon, QSize size)
+    : QWidget(parent), m_size(size), m_icon(icon)
+{
+    setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Minimum);
+}
+
+QSize IconLabel::sizeHint() const
+{
+    return m_size;
+}
+
+void IconLabel::setIcon(QIcon icon)
+{
+    m_icon = icon;
+    update();
+}
+
+void IconLabel::paintEvent(QPaintEvent *)
+{
+    QPainter p(this);
+    QRect rect = contentsRect();
+    int width = rect.width();
+    int height = rect.height();
+    if(width < height)
+    {
+        rect.setHeight(width);
+        rect.translate(0, (height - width) / 2);
+    }
+    else if (width > height)
+    {
+        rect.setWidth(height);
+        rect.translate((width - height) / 2, 0);
+    }
+    m_icon.paint(&p, rect);
+}
diff --git a/launcher/ui/widgets/IconLabel.h b/launcher/ui/widgets/IconLabel.h
new file mode 100644
index 00000000..6d212c4c
--- /dev/null
+++ b/launcher/ui/widgets/IconLabel.h
@@ -0,0 +1,26 @@
+#pragma once
+#include <QWidget>
+#include <QIcon>
+
+class QStyleOption;
+
+/**
+ * This is a trivial widget that paints a QIcon of the specified size.
+ */
+class IconLabel : public QWidget
+{
+    Q_OBJECT
+
+public:
+    /// Create a line separator. orientation is the orientation of the line.
+    explicit IconLabel(QWidget *parent, QIcon icon, QSize size);
+
+    virtual QSize sizeHint() const;
+    virtual void paintEvent(QPaintEvent *);
+
+    void setIcon(QIcon icon);
+
+private:
+    QSize m_size;
+    QIcon m_icon;
+};
diff --git a/launcher/ui/widgets/InstanceCardWidget.ui b/launcher/ui/widgets/InstanceCardWidget.ui
new file mode 100644
index 00000000..6eeeb076
--- /dev/null
+++ b/launcher/ui/widgets/InstanceCardWidget.ui
@@ -0,0 +1,58 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>InstanceCardWidget</class>
+ <widget class="QWidget" name="InstanceCardWidget">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>473</width>
+    <height>118</height>
+   </rect>
+  </property>
+  <layout class="QGridLayout" name="gridLayout">
+   <item row="0" column="0" rowspan="2">
+    <widget class="QToolButton" name="iconButton">
+     <property name="iconSize">
+      <size>
+       <width>80</width>
+       <height>80</height>
+      </size>
+     </property>
+    </widget>
+   </item>
+   <item row="0" column="1">
+    <widget class="QLabel" name="nameLabel">
+     <property name="text">
+      <string>&amp;Name:</string>
+     </property>
+     <property name="buddy">
+      <cstring>instNameTextBox</cstring>
+     </property>
+    </widget>
+   </item>
+   <item row="0" column="2">
+    <widget class="QLineEdit" name="instNameTextBox"/>
+   </item>
+   <item row="1" column="1">
+    <widget class="QLabel" name="groupLabel">
+     <property name="text">
+      <string>&amp;Group:</string>
+     </property>
+     <property name="buddy">
+      <cstring>groupBox</cstring>
+     </property>
+    </widget>
+   </item>
+   <item row="1" column="2">
+    <widget class="QComboBox" name="groupBox">
+     <property name="editable">
+      <bool>true</bool>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>
diff --git a/launcher/ui/widgets/JavaSettingsWidget.cpp b/launcher/ui/widgets/JavaSettingsWidget.cpp
new file mode 100644
index 00000000..b9d7620c
--- /dev/null
+++ b/launcher/ui/widgets/JavaSettingsWidget.cpp
@@ -0,0 +1,432 @@
+#include "JavaSettingsWidget.h"
+
+#include <QVBoxLayout>
+#include <QGroupBox>
+#include <QSpinBox>
+#include <QLabel>
+#include <QLineEdit>
+#include <QPushButton>
+#include <QToolButton>
+#include <QFileDialog>
+
+#include <sys.h>
+
+#include "java/JavaInstall.h"
+#include "java/JavaUtils.h"
+#include "FileSystem.h"
+
+#include "ui/dialogs/CustomMessageBox.h"
+#include "ui/widgets/VersionSelectWidget.h"
+
+#include "Application.h"
+#include "BuildConfig.h"
+
+JavaSettingsWidget::JavaSettingsWidget(QWidget* parent) : QWidget(parent)
+{
+    m_availableMemory = Sys::getSystemRam() / Sys::mebibyte;
+
+    goodIcon = APPLICATION->getThemedIcon("status-good");
+    yellowIcon = APPLICATION->getThemedIcon("status-yellow");
+    badIcon = APPLICATION->getThemedIcon("status-bad");
+    setupUi();
+
+    connect(m_minMemSpinBox, SIGNAL(valueChanged(int)), this, SLOT(memoryValueChanged(int)));
+    connect(m_maxMemSpinBox, SIGNAL(valueChanged(int)), this, SLOT(memoryValueChanged(int)));
+    connect(m_permGenSpinBox, SIGNAL(valueChanged(int)), this, SLOT(memoryValueChanged(int)));
+    connect(m_versionWidget, &VersionSelectWidget::selectedVersionChanged, this, &JavaSettingsWidget::javaVersionSelected);
+    connect(m_javaBrowseBtn, &QPushButton::clicked, this, &JavaSettingsWidget::on_javaBrowseBtn_clicked);
+    connect(m_javaPathTextBox, &QLineEdit::textEdited, this, &JavaSettingsWidget::javaPathEdited);
+    connect(m_javaStatusBtn, &QToolButton::clicked, this, &JavaSettingsWidget::on_javaStatusBtn_clicked);
+}
+
+void JavaSettingsWidget::setupUi()
+{
+    setObjectName(QStringLiteral("javaSettingsWidget"));
+    m_verticalLayout = new QVBoxLayout(this);
+    m_verticalLayout->setObjectName(QStringLiteral("verticalLayout"));
+
+    m_versionWidget = new VersionSelectWidget(this);
+    m_verticalLayout->addWidget(m_versionWidget);
+
+    m_horizontalLayout = new QHBoxLayout();
+    m_horizontalLayout->setObjectName(QStringLiteral("horizontalLayout"));
+    m_javaPathTextBox = new QLineEdit(this);
+    m_javaPathTextBox->setObjectName(QStringLiteral("javaPathTextBox"));
+
+    m_horizontalLayout->addWidget(m_javaPathTextBox);
+
+    m_javaBrowseBtn = new QPushButton(this);
+    m_javaBrowseBtn->setObjectName(QStringLiteral("javaBrowseBtn"));
+
+    m_horizontalLayout->addWidget(m_javaBrowseBtn);
+
+    m_javaStatusBtn = new QToolButton(this);
+    m_javaStatusBtn->setIcon(yellowIcon);
+    m_horizontalLayout->addWidget(m_javaStatusBtn);
+
+    m_verticalLayout->addLayout(m_horizontalLayout);
+
+    m_memoryGroupBox = new QGroupBox(this);
+    m_memoryGroupBox->setObjectName(QStringLiteral("memoryGroupBox"));
+    m_gridLayout_2 = new QGridLayout(m_memoryGroupBox);
+    m_gridLayout_2->setObjectName(QStringLiteral("gridLayout_2"));
+
+    m_labelMinMem = new QLabel(m_memoryGroupBox);
+    m_labelMinMem->setObjectName(QStringLiteral("labelMinMem"));
+    m_gridLayout_2->addWidget(m_labelMinMem, 0, 0, 1, 1);
+
+    m_minMemSpinBox = new QSpinBox(m_memoryGroupBox);
+    m_minMemSpinBox->setObjectName(QStringLiteral("minMemSpinBox"));
+    m_minMemSpinBox->setSuffix(QStringLiteral(" MiB"));
+    m_minMemSpinBox->setMinimum(128);
+    m_minMemSpinBox->setMaximum(m_availableMemory);
+    m_minMemSpinBox->setSingleStep(128);
+    m_labelMinMem->setBuddy(m_minMemSpinBox);
+    m_gridLayout_2->addWidget(m_minMemSpinBox, 0, 1, 1, 1);
+
+    m_labelMaxMem = new QLabel(m_memoryGroupBox);
+    m_labelMaxMem->setObjectName(QStringLiteral("labelMaxMem"));
+    m_gridLayout_2->addWidget(m_labelMaxMem, 1, 0, 1, 1);
+
+    m_maxMemSpinBox = new QSpinBox(m_memoryGroupBox);
+    m_maxMemSpinBox->setObjectName(QStringLiteral("maxMemSpinBox"));
+    m_maxMemSpinBox->setSuffix(QStringLiteral(" MiB"));
+    m_maxMemSpinBox->setMinimum(128);
+    m_maxMemSpinBox->setMaximum(m_availableMemory);
+    m_maxMemSpinBox->setSingleStep(128);
+    m_labelMaxMem->setBuddy(m_maxMemSpinBox);
+    m_gridLayout_2->addWidget(m_maxMemSpinBox, 1, 1, 1, 1);
+
+    m_labelPermGen = new QLabel(m_memoryGroupBox);
+    m_labelPermGen->setObjectName(QStringLiteral("labelPermGen"));
+    m_labelPermGen->setText(QStringLiteral("PermGen:"));
+    m_gridLayout_2->addWidget(m_labelPermGen, 2, 0, 1, 1);
+    m_labelPermGen->setVisible(false);
+
+    m_permGenSpinBox = new QSpinBox(m_memoryGroupBox);
+    m_permGenSpinBox->setObjectName(QStringLiteral("permGenSpinBox"));
+    m_permGenSpinBox->setSuffix(QStringLiteral(" MiB"));
+    m_permGenSpinBox->setMinimum(64);
+    m_permGenSpinBox->setMaximum(m_availableMemory);
+    m_permGenSpinBox->setSingleStep(8);
+    m_gridLayout_2->addWidget(m_permGenSpinBox, 2, 1, 1, 1);
+    m_permGenSpinBox->setVisible(false);
+
+    m_verticalLayout->addWidget(m_memoryGroupBox);
+
+    retranslate();
+}
+
+void JavaSettingsWidget::initialize()
+{
+    m_versionWidget->initialize(APPLICATION->javalist().get());
+    m_versionWidget->setResizeOn(2);
+    auto s = APPLICATION->settings();
+    // Memory
+    observedMinMemory = s->get("MinMemAlloc").toInt();
+    observedMaxMemory = s->get("MaxMemAlloc").toInt();
+    observedPermGenMemory = s->get("PermGen").toInt();
+    m_minMemSpinBox->setValue(observedMinMemory);
+    m_maxMemSpinBox->setValue(observedMaxMemory);
+    m_permGenSpinBox->setValue(observedPermGenMemory);
+}
+
+void JavaSettingsWidget::refresh()
+{
+    m_versionWidget->loadList();
+}
+
+JavaSettingsWidget::ValidationStatus JavaSettingsWidget::validate()
+{
+    switch(javaStatus)
+    {
+        default:
+        case JavaStatus::NotSet:
+        case JavaStatus::DoesNotExist:
+        case JavaStatus::DoesNotStart:
+        case JavaStatus::ReturnedInvalidData:
+        {
+            int button = CustomMessageBox::selectable(
+                this,
+                tr("No Java version selected"),
+                tr("You didn't select a Java version or selected something that doesn't work.\n"
+                    "%1 will not be able to start Minecraft.\n"
+                    "Do you wish to proceed without any Java?"
+                    "\n\n"
+                    "You can change the Java version in the settings later.\n"
+                ).arg(BuildConfig.LAUNCHER_NAME),
+                QMessageBox::Warning,
+                QMessageBox::Yes | QMessageBox::No,
+                QMessageBox::NoButton
+            )->exec();
+            if(button == QMessageBox::No)
+            {
+                return ValidationStatus::Bad;
+            }
+            return ValidationStatus::JavaBad;
+        }
+        break;
+        case JavaStatus::Pending:
+        {
+            return ValidationStatus::Bad;
+        }
+        case JavaStatus::Good:
+        {
+            return ValidationStatus::AllOK;
+        }
+    }
+}
+
+QString JavaSettingsWidget::javaPath() const
+{
+    return m_javaPathTextBox->text();
+}
+
+int JavaSettingsWidget::maxHeapSize() const
+{
+    return m_maxMemSpinBox->value();
+}
+
+int JavaSettingsWidget::minHeapSize() const
+{
+    return m_minMemSpinBox->value();
+}
+
+bool JavaSettingsWidget::permGenEnabled() const
+{
+    return m_permGenSpinBox->isVisible();
+}
+
+int JavaSettingsWidget::permGenSize() const
+{
+    return m_permGenSpinBox->value();
+}
+
+void JavaSettingsWidget::memoryValueChanged(int)
+{
+    bool actuallyChanged = false;
+    int min = m_minMemSpinBox->value();
+    int max = m_maxMemSpinBox->value();
+    int permgen = m_permGenSpinBox->value();
+    QObject *obj = sender();
+    if (obj == m_minMemSpinBox && min != observedMinMemory)
+    {
+