From 99ba02afb6a7af1bc0800552338ab811b027eb9e Mon Sep 17 00:00:00 2001
From: Nathan <subtype.kitsch_0w@icloud.com>
Date: Mon, 10 Jul 2023 11:26:25 -0700
Subject: Shortcuts on macOS (#1081)

Co-authored-by: TheKodeToad <TheKodeToad@proton.me>
---
 launcher/FileSystem.cpp    | 60 ++++++++++++++++++++++++++++++++++++++++++++--
 launcher/ui/MainWindow.cpp | 44 +++++++++++++++++++++++++++++-----
 2 files changed, 96 insertions(+), 8 deletions(-)

diff --git a/launcher/FileSystem.cpp b/launcher/FileSystem.cpp
index 812d45eb..4538702f 100644
--- a/launcher/FileSystem.cpp
+++ b/launcher/FileSystem.cpp
@@ -778,9 +778,43 @@ bool createShortcut(QString destination, QString target, QStringList args, QStri
         destination = PathCombine(getDesktopDir(), RemoveInvalidFilenameChars(name));
     }
 #if defined(Q_OS_MACOS)
-    destination += ".command";
+    // Create the Application
+    QDir applicationDirectory = QStandardPaths::writableLocation(QStandardPaths::ApplicationsLocation) + "/" + BuildConfig.LAUNCHER_NAME + " Instances/";
 
-    QFile f(destination);
+    if (!applicationDirectory.mkpath(".")) {
+        qWarning() << "Couldn't create application directory";
+        return false;
+    }
+
+    QDir application = applicationDirectory.path() + "/" + name + ".app/";
+
+    if (application.exists()) {
+        qWarning() << "Application already exists!";
+        return false;
+    }
+
+    if (!application.mkpath(".")) {
+        qWarning() << "Couldn't create application";
+        return false;
+    }
+
+    QDir content = application.path() + "/Contents/";
+    QDir resources = content.path() + "/Resources/";
+    QDir binaryDir = content.path() + "/MacOS/";
+    QFile info = content.path() + "/Info.plist";
+
+    if (!(content.mkpath(".") && resources.mkpath(".") && binaryDir.mkpath("."))) {
+        qWarning() << "Couldn't create directories within application";
+        return false;
+    }
+    info.open(QIODevice::WriteOnly | QIODevice::Text);
+
+    QFile(icon).rename(resources.path() + "/Icon.icns");
+
+    // Create the Command file
+    QString exec = binaryDir.path() + "/Run.command";
+
+    QFile f(exec);
     f.open(QIODevice::WriteOnly | QIODevice::Text);
     QTextStream stream(&f);
 
@@ -797,6 +831,28 @@ bool createShortcut(QString destination, QString target, QStringList args, QStri
 
     f.setPermissions(f.permissions() | QFileDevice::ExeOwner | QFileDevice::ExeGroup | QFileDevice::ExeOther);
 
+    // Generate the Info.plist
+    QTextStream infoStream(&info);
+    infoStream << "<?xml version=\"1.0\" encoding=\"UTF-8\"?> \n"
+                  "<!DOCTYPE plist PUBLIC \"-//Apple Computer//DTD PLIST 1.0//EN\" "
+                  "\"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">"
+                  "<plist version=\"1.0\">\n"
+                  "<dict>\n"
+                  "    <key>CFBundleExecutable</key>\n"
+                  "    <string>Run.command</string>\n"  // The path to the executable
+                  "    <key>CFBundleIconFile</key>\n"
+                  "    <string>Icon.icns</string>\n"
+                  "    <key>CFBundleName</key>\n"
+                  "    <string>" << name << "</string>\n"  // Name of the application
+                  "    <key>CFBundlePackageType</key>\n"
+                  "    <string>APPL</string>\n"
+                  "    <key>CFBundleShortVersionString</key>\n"
+                  "    <string>1.0</string>\n"
+                  "    <key>CFBundleVersion</key>\n"
+                  "    <string>1.0</string>\n"
+                  "</dict>\n"
+                  "</plist>";
+
     return true;
 #elif defined(Q_OS_LINUX) || defined(Q_OS_FREEBSD) || defined(Q_OS_OPENBSD)
     if (!destination.endsWith(".desktop"))  // in case of isFlatpak destination is already populated
diff --git a/launcher/ui/MainWindow.cpp b/launcher/ui/MainWindow.cpp
index 2f944472..fe364937 100644
--- a/launcher/ui/MainWindow.cpp
+++ b/launcher/ui/MainWindow.cpp
@@ -1536,11 +1536,39 @@ void MainWindow::on_actionCreateInstanceShortcut_triggered()
     QString iconPath;
     QStringList args;
 #if defined(Q_OS_MACOS)
-    if (appPath.startsWith("/private/var/")) {
-        QMessageBox::critical(this, tr("Create instance shortcut"),
-                              tr("The launcher is in the folder it was extracted from, therefore it cannot create shortcuts."));
-        return;
-    }
+        appPath = QApplication::applicationFilePath();
+        if (appPath.startsWith("/private/var/")) {
+            QMessageBox::critical(this, tr("Create instance shortcut"), 
+                                  tr("The launcher is in the folder it was extracted from, therefore it cannot create shortcuts."));
+            return;
+        }
+
+        auto pIcon = APPLICATION->icons()->icon(m_selectedInstance->iconKey());
+        if (pIcon == nullptr)
+        {
+            pIcon = APPLICATION->icons()->icon("grass");
+        }
+
+        iconPath = FS::PathCombine(m_selectedInstance->instanceRoot(), "Icon.icns");
+
+        QFile iconFile(iconPath);
+        if (!iconFile.open(QFile::WriteOnly))
+        {
+            QMessageBox::critical(this, tr("Create instance Application"), tr("Failed to create icon for Application."));
+            return;
+        }
+
+        QIcon icon = pIcon->icon();
+
+        bool success = icon.pixmap(1024, 1024).save(iconPath, "ICNS");
+        iconFile.close();
+
+        if (!success)
+        {
+            iconFile.remove();
+            QMessageBox::critical(this, tr("Create instance Application"), tr("Failed to create icon for Application."));
+            return;
+        }
 #elif defined(Q_OS_LINUX) || defined(Q_OS_FREEBSD) || defined(Q_OS_OPENBSD)
     if (appPath.startsWith("/tmp/.mount_")) {
         // AppImage!
@@ -1623,7 +1651,11 @@ void MainWindow::on_actionCreateInstanceShortcut_triggered()
 #endif
     args.append({ "--launch", m_selectedInstance->id() });
     if (FS::createShortcut(desktopFilePath, appPath, args, m_selectedInstance->name(), iconPath)) {
-        QMessageBox::information(this, tr("Create instance shortcut"), tr("Created a shortcut to this instance on your desktop!"));
+#if not defined(Q_OS_MACOS)
+            QMessageBox::information(this, tr("Create instance shortcut"), tr("Created a shortcut to this instance on your desktop!"));
+#else
+        QMessageBox::information(this, tr("Create instance shortcut"), tr("Created a shortcut to this instance!"));
+#endif
     } else {
 #if not defined(Q_OS_MACOS)
         iconFile.remove();
-- 
cgit