feat: add Quickshell.env

docs

@@ -1 +1 @@
-Subproject commit 79579222a31dc1f6355e0c3020917c29165f766c
+Subproject commit 8b40a464af5c1338d842e61f8ec517d142454cbc

src/core/qmlglobal.cpp

@@ -8,8 +8,10 @@
 #include <qqmlcontext.h>
 #include <qqmlengine.h>
 #include <qqmllist.h>
+#include <qtenvironmentvariables.h>
 #include <qtmetamacros.h>
 #include <qtypes.h>
+#include <qvariant.h>
 
 #include "qmlscreen.hpp"
 #include "rootwrapper.hpp"
@@ -74,3 +76,10 @@ void QuickshellGlobal::updateScreens() {
 
 	emit this->screensChanged();
 }
+
+QVariant QuickshellGlobal::env(const QString& variable) { // NOLINT
+	auto vstr = variable.toStdString();
+	if (!qEnvironmentVariableIsSet(vstr.data())) return QVariant();
+
+	return qEnvironmentVariable(vstr.data());
+}

src/core/qmlglobal.hpp

@@ -6,6 +6,7 @@
 #include <qqmllist.h>
 #include <qtmetamacros.h>
 #include <qtypes.h>
+#include <qvariant.h>
 
 #include "qmlscreen.hpp"
 
@@ -50,6 +51,9 @@ public:
 	/// [Reloadable]: ../reloadable
 	Q_INVOKABLE void reload(bool hard);
 
+	/// Returns the string value of an environment variable or null if it is not set.
+	Q_INVOKABLE QVariant env(const QString& variable);
+
 signals:
 	void screensChanged();
 

src/io/socket.hpp

@@ -8,8 +8,8 @@
 #include <qtclasshelpermacros.h>
 #include <qtmetamacros.h>
 
-#include "datastream.hpp"
 #include "../core/reload.hpp"
+#include "datastream.hpp"
 
 ///! Unix socket listener.
 class Socket: public DataStream {