Auto add to applications on Linux

Viewer.gd

@@ -14,3 +14,4 @@ func _on_files_dropped(files, _screen):
 	$Control/Label.text = path
 	$WorldEnvironment.environment.background_sky.panorama = texture
 	$TrackballCamera.reset_rotation()
+

project.godot

@@ -19,6 +19,10 @@ boot_splash/bg_color=Color( 0.298039, 0.529412, 0.866667, 1 )
 config/icon="res://icon.png"
 config/windows_native_icon="res://icon.ico"
 
+[autoload]
+
+ShortcutCreator="*res://shortcut_creator.gd"
+
 [editor_plugins]
 
 enabled=PoolStringArray( "res://addons/goutte.camera.trackball/plugin.cfg" )

shortcut_creator.gd

@@ -0,0 +1,50 @@
+extends Node
+
+
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	if !OS.is_debug_build() and OS.get_name() == "X11":
+		print(Engine.editor_hint)
+		create_shortcut()
+#		get_tree().quit()
+
+func create_shortcut() -> void:
+	# Get username
+	var output := []
+	var _error = OS.execute("whoami", [], true, output)
+	var username: String = output[0].substr(0, output[0].length() - 1) # Trim junk
+
+	# Get other useful data.
+	var project_name: String = ProjectSettings.get_setting("application/config/name")
+	var description: String = ProjectSettings.get_setting("application/config/description")
+
+	# Prepare paths.
+	var user_folder_path := "/home/" + username + "/.local/share/godot/app_userdata/" + project_name + "/"
+	var desktop_file_path := user_folder_path + project_name + ".desktop"
+	var exec_path := OS.get_executable_path()
+
+	# Save game icon to storage.
+	var icon: Texture = load("res://icon.png")
+	var icon_data := icon.get_data()
+	_error = icon_data.save_png("user://shortcut.png")
+
+	# Write out file with all the necessary info.
+	var file := File.new()
+	_error = file.open(desktop_file_path, File.WRITE)
+	file.store_string("[Desktop Entry]\n")
+	file.store_string("Encoding=UTF-8\n")
+	file.store_string("Name=" + project_name + "\n")
+	file.store_string("Comment=" + description + "\n")
+	file.store_string("Exec=\"" + exec_path + "\"\n")
+	file.store_string("Icon=" + user_folder_path + "shortcut.png\n")
+	file.store_string("Terminal=false\n")
+	file.store_string("Type=Application\n")
+	file.store_string("Categories=Game;")
+	file.close()
+
+	# Copies the desktop file to the right places and allows it to be registered.
+	_error = OS.execute("cp", [desktop_file_path, "/home/" + username + "/.local/share/applications"], true, output)
+	_error = OS.execute("cp", [desktop_file_path, "/usr/share/applications"], true, output)
+
+	_error = OS.execute("chmod", ["+x", desktop_file_path], true, output)