Custom environment variables UI and implementation

Signed-off-by: TheKodeToad <TheKodeToad@proton.me>

launcher/ui/pages/global/EnvironmentVariablesPage.cpp

@@ -0,0 +1,64 @@
+// SPDX-License-Identifier: GPL-3.0-only
+/*
+ *  Prism Launcher - Minecraft Launcher
+ *  Copyright (C) 2023 TheKodeToad <TheKodeToad@proton.me>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, version 3.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <QTabBar>
+#include <QVBoxLayout>
+
+#include "EnvironmentVariablesPage.h"
+
+EnvironmentVariablesPage::EnvironmentVariablesPage(QWidget* parent) : QWidget(parent)
+{
+    auto verticalLayout = new QVBoxLayout(this);
+    verticalLayout->setContentsMargins(0, 0, 0, 0);
+    variables = new EnvironmentVariables(this);
+    variables->setContentsMargins(6, 6, 6, 6);
+    verticalLayout->addWidget(variables);
+
+    variables->initialize(false, true, false, APPLICATION->settings()->get("Env").toMap());
+}
+
+QString EnvironmentVariablesPage::displayName() const
+{
+    return tr("Environment Variables");
+}
+
+QIcon EnvironmentVariablesPage::icon() const
+{
+    return APPLICATION->getThemedIcon("environment-variables");
+}
+
+QString EnvironmentVariablesPage::id() const
+{
+    return "environment-variables";
+}
+
+QString EnvironmentVariablesPage::helpPage() const
+{
+    return "Environment-variables";
+}
+
+bool EnvironmentVariablesPage::apply()
+{
+    APPLICATION->settings()->set("Env", variables->value());
+    return true;
+}
+
+void EnvironmentVariablesPage::retranslate()
+{
+    variables->retranslate();
+}

launcher/ui/pages/global/EnvironmentVariablesPage.h

@@ -0,0 +1,42 @@
+// SPDX-License-Identifier: GPL-3.0-only
+/*
+ *  Prism Launcher - Minecraft Launcher
+ *  Copyright (C) 2023 TheKodeToad <TheKodeToad@proton.me>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, version 3.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <Application.h>
+
+#include "ui/pages/BasePage.h"
+#include "ui/widgets/EnvironmentVariables.h"
+
+class EnvironmentVariablesPage : public QWidget, public BasePage {
+    Q_OBJECT
+
+   public:
+    explicit EnvironmentVariablesPage(QWidget* parent = nullptr);
+
+    QString displayName() const override;
+    QIcon icon() const override;
+    QString id() const override;
+    QString helpPage() const override;
+
+    bool apply() override;
+    void retranslate() override;
+
+   private:
+    EnvironmentVariables* variables;
+};

launcher/ui/pages/instance/InstanceSettingsPage.cpp

@@ -84,6 +84,9 @@ void InstanceSettingsPage::globalSettingsButtonClicked(bool)
         case 2:
             APPLICATION->ShowGlobalSettings(this, "custom-commands");
             return;
+        case 3:
+            APPLICATION->ShowGlobalSettings(this, "environment-variables");
+            return;
         default:
             APPLICATION->ShowGlobalSettings(this, "minecraft-settings");
             return;
@@ -217,6 +220,11 @@ void InstanceSettingsPage::applySettings()
         m_settings->reset("PostExitCommand");
     }
 
+    // Environment Variables
+    m_settings->set("UseEnv", ui->environmentVariables->checked());
+    m_settings->set("OverrideEnv", ui->environmentVariables->override());
+    m_settings->set("Env", ui->environmentVariables->value());
+
     // Workarounds
     bool workarounds = ui->nativeWorkaroundsGroupBox->isChecked();
     m_settings->set("OverrideNativeWorkarounds", workarounds);
@@ -345,6 +353,14 @@ void InstanceSettingsPage::loadSettings()
         m_settings->get("PostExitCommand").toString()
     );
 
+    // Environment variables
+    ui->environmentVariables->initialize(
+        true,
+        m_settings->get("UseEnv").toBool(),
+        m_settings->get("OverrideEnv").toBool(),
+        m_settings->get("Env").toMap()
+    );
+
     // Workarounds
     ui->nativeWorkaroundsGroupBox->setChecked(m_settings->get("OverrideNativeWorkarounds").toBool());
     ui->useNativeGLFWCheck->setChecked(m_settings->get("UseNativeGLFW").toBool());
@@ -492,6 +508,7 @@ void InstanceSettingsPage::retranslate()
 {
     ui->retranslateUi(this);
     ui->customCommands->retranslate();  // TODO: why is this seperate from the others?
+    ui->environmentVariables->retranslate();
 }
 
 void InstanceSettingsPage::updateThresholds()

launcher/ui/pages/instance/InstanceSettingsPage.ui

@@ -35,13 +35,10 @@
    </item>
    <item>
     <widget class="QTabWidget" name="settingsTabs">
-     <property name="tabShape">
-      <enum>QTabWidget::Rounded</enum>
-     </property>
      <property name="currentIndex">
       <number>0</number>
      </property>
-     <widget class="QWidget" name="minecraftTab">
+     <widget class="QWidget" name="minecraftPage">
       <attribute name="title">
        <string notr="true">Java</string>
       </attribute>
@@ -246,7 +243,7 @@
        </item>
       </layout>
      </widget>
-     <widget class="QWidget" name="javaTab">
+     <widget class="QWidget" name="javaPage">
       <attribute name="title">
        <string>Game windows</string>
       </attribute>
@@ -406,7 +403,7 @@
        </item>
       </layout>
      </widget>
-     <widget class="QWidget" name="tab">
+     <widget class="QWidget" name="customCommandsPage">
       <attribute name="title">
        <string>Custom commands</string>
       </attribute>
@@ -416,6 +413,16 @@
        </item>
       </layout>
      </widget>
+     <widget class="QWidget" name="environmentVariablesPage">
+      <attribute name="title">
+       <string>Environment variables</string>
+      </attribute>
+      <layout class="QVBoxLayout" name="verticalLayout_16">
+       <item>
+        <widget class="EnvironmentVariables" name="environmentVariables" native="true"/>
+       </item>
+      </layout>
+     </widget>
      <widget class="QWidget" name="workaroundsPage">
       <attribute name="title">
        <string>Workarounds</string>
@@ -669,6 +676,12 @@
    <header>ui/widgets/CustomCommands.h</header>
    <container>1</container>
   </customwidget>
+  <customwidget>
+   <class>EnvironmentVariables</class>
+   <extends>QWidget</extends>
+   <header>ui/widgets/EnvironmentVariables.h</header>
+   <container>1</container>
+  </customwidget>
  </customwidgets>
  <tabstops>
   <tabstop>openGlobalJavaSettingsButton</tabstop>