QApplication subclass enforcing single-instance behavior via IPC. More...

Inheritance diagram for SingleApplication:

Collaboration diagram for SingleApplication:

Public Slots
void	receiveMessage ()
	Slot invoked when an incoming IPC message arrives.

Signals
void	messageAvailable (const QString &message)
	messageAvailable notification from commandline

Public Member Functions
	SingleApplication (int &argc, char *argv[], QString uniqueKey)
	Construct a SingleApplication with a unique instance key.
auto	isRunning () -> bool
	Query whether another instance is already running.
auto	sendMessage (const QString &message) -> bool
	Send a message to the running instance.

Detailed Description

QApplication subclass enforcing single-instance behavior via IPC.

Detects whether another instance with the same unique key is running and enables forwarding messages (e.g., command-line arguments) to it.

Definition at line 17 of file singleapplication.h.

Constructor & Destructor Documentation

SingleApplication::SingleApplication	(	int &	argc,
		char *	argv[],
		QString	uniqueKey )

Construct a SingleApplication with a unique instance key.

Parameters

argc	Reference to program argc forwarded to QApplication.
argv	Program argv forwarded to QApplication.
uniqueKey	Key used to identify and scope the single instance.

auto SingleApplication::isRunning ( ) -> bool

Query whether another instance is already running.

void SingleApplication::messageAvailable ( const QString & message )

signal

messageAvailable notification from commandline

Parameters

message args sent to qtpass executable

auto SingleApplication::sendMessage ( const QString & message ) -> bool

Send a message to the running instance.

Parameters

message Text to deliver (typically forwarded command-line args).

The documentation for this class was generated from the following file: