Qtsingleapplication

Qt Solutions Component: Single Application

The QtSingleApplication component provides support for applications that can be only started once per user.

Version history:

2.0: - Version 1.3 ported to Qt 4.

2.1: - Fix compilation problem on Mac.

2.2: - Really fix the Mac compilation problem. - Mac: fix crash due to wrong object releasing. - Mac: Fix memory leak.

2.3: - Windows: Force creation of internal widget to make it work with Qt 4.2.

2.4: - Fix the system for automatic window raising on message reception. NOTE: minor API change.

2.5: - Mac: Fix isRunning() to work and report correctly.

2.6: - - initialize() is now obsolete, no longer necessary to call it - - Fixed race condition where multiple instances migth be started - - QtSingleCoreApplication variant provided for non-GUI (console) usage - Complete reimplementation. Visible changes: - LGPL release.