global: add Quickshell.processId and rename Process.pid

src/core/qmlglobal.cpp

@@ -15,6 +15,7 @@
 #include <qtmetamacros.h>
 #include <qtypes.h>
 #include <qvariant.h>
+#include <unistd.h>
 
 #include "qmlscreen.hpp"
 #include "rootwrapper.hpp"
@@ -67,6 +68,10 @@ QuickshellGlobal::QuickshellGlobal(QObject* parent): QObject(parent) {
 	}
 }
 
+qint32 QuickshellGlobal::processId() const { // NOLINT
+	return getpid();
+}
+
 qsizetype QuickshellGlobal::screensCount(QQmlListProperty<QuickshellScreenInfo>* prop) {
 	return static_cast<QuickshellGlobal*>(prop->object)->mScreens.size(); // NOLINT
 }

src/core/qmlglobal.hpp

@@ -46,6 +46,8 @@ private:
 class QuickshellGlobal: public QObject {
 	Q_OBJECT;
 	// clang-format off
+	/// Quickshell's process id.
+	Q_PROPERTY(qint32 processId READ processId CONSTANT);
 	/// All currently connected screens.
 	///
 	/// This property updates as connected screens change.
@@ -77,6 +79,8 @@ class QuickshellGlobal: public QObject {
 	QML_NAMED_ELEMENT(Quickshell);
 
 public:
+	[[nodiscard]] qint32 processId() const;
+
 	QuickshellGlobal(QObject* parent = nullptr);
 
 	QQmlListProperty<QuickshellScreenInfo> screens();

src/io/process.cpp

@@ -43,7 +43,7 @@ void Process::setRunning(bool running) {
 	else if (this->isRunning()) this->process->terminate();
 }
 
-QVariant Process::pid() const {
+QVariant Process::processId() const {
 	if (this->process == nullptr) return QVariant::fromValue(nullptr);
 	return QVariant::fromValue(this->process->processId());
 }
@@ -233,7 +233,7 @@ void Process::startProcessIfReady() {
 }
 
 void Process::onStarted() {
-	emit this->pidChanged();
+	emit this->processIdChanged();
 	emit this->runningChanged();
 	emit this->started();
 }
@@ -246,7 +246,7 @@ void Process::onFinished(qint32 exitCode, QProcess::ExitStatus exitStatus) {
 
 	emit this->exited(exitCode, exitStatus);
 	emit this->runningChanged();
-	emit this->pidChanged();
+	emit this->processIdChanged();
 }
 
 void Process::onErrorOccurred(QProcess::ProcessError error) {

src/io/process.hpp

@@ -43,7 +43,7 @@ class Process: public QObject {
 	/// ```
 	Q_PROPERTY(bool running READ isRunning WRITE setRunning NOTIFY runningChanged);
 	/// The process ID of the running process or `null` if `running` is false.
-	Q_PROPERTY(QVariant pid READ pid NOTIFY pidChanged);
+	Q_PROPERTY(QVariant processId READ processId NOTIFY processIdChanged);
 	/// The command to execute. Each argument is its own string, which means you don't have
 	/// to deal with quoting anything.
 	///
@@ -139,7 +139,7 @@ public:
 	[[nodiscard]] bool isRunning() const;
 	void setRunning(bool running);
 
-	[[nodiscard]] QVariant pid() const;
+	[[nodiscard]] QVariant processId() const;
 
 	[[nodiscard]] QList<QString> command() const;
 	void setCommand(QList<QString> command);
@@ -170,7 +170,7 @@ signals:
 	void exited(qint32 exitCode, QProcess::ExitStatus exitStatus);
 
 	void runningChanged();
-	void pidChanged();
+	void processIdChanged();
 	void commandChanged();
 	void workingDirectoryChanged();
 	void environmentChanged();