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CHANGELOG.md

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Changelog

3.0.9

  • Added SingleApplicationPrivate::primaryPid() as a solution to allow bringing the primary window of an application to the foreground on Windows.

    Eelco van Dam from Peacs BV

3.0.8

  • Bug fix - changed QApplication::instance() to QCoreApplication::instance()

    Evgeniy Bazhenov

3.0.7a

  • Fixed compilation error with Mingw32 in MXE thanks to Vitaly Tonkacheyev.
  • Removed QMutex used for thread safe behaviour. The implementation now uses QCoreApplication::instance() to get an instance to SingleApplication for memory deallocation.

3.0.6a

  • Reverted GetUserName API usage on Windows. Fixed bug with missing library.

  • Fixed bug in the Calculator example, preventing it's window to be raised on Windows.

    Special thanks to Charles Gunawan.

3.0.5a

  • Fixed a memory leak in the SingleApplicationPrivate destructor.

    Sergei Moiseev

3.0.4a

  • Fixed shadow and uninitialised variable warnings.

    Paul Walmsley

3.0.3a

  • Removed Microsoft Windows specific code for getting username due to multiple problems and compiler differences on Windows platforms. On Windows the shared memory block in User mode now includes the user's home path (which contains the user's username).

  • Explicitly getting absolute path of the user's home directory as on Unix a relative path (~) may be returned.

3.0.2a

  • Fixed bug on Windows when username containing wide characters causes the library to crash.

    Le Liu

3.0.1a

  • Allows the application path and version to be excluded from the server name hash. The following flags were added for this purpose:

    • SingleApplication::Mode::ExcludeAppVersion
    • SingleApplication::Mode::ExcludeAppPath

  • Allow a non elevated process to connect to a local server created by an elevated process run by the same user on Windows

  • Fixes a problem with upper case letters in paths on Windows

    Le Liu

v3.0a

  • Depricated secondary instances count.
  • Added a sendMessage() method to send a message to the primary instance.
  • Added a receivedMessage() signal, emitted when a message is received from a secondary instance.
  • The SingleApplication constructor's third parameter is now a bool specifying if the current instance should be allowed to run as a secondary instance if there is already a primary instance.
  • The SingleApplication constructor accept a fourth parameter specifying if the SingleApplication block should be User-wide or System-wide.
  • SingleApplication no longer relies on applicationName and organizationName to be set. It instead concatenates all of the following data and computes a SHA256 hash which is used as the key of the QSharedMemory block and the QLocalServer. Since at least applicationFilePath is always present there is no need to explicitly set any of the following prior to initialising SingleApplication.
    • QCoreApplication::applicationName
    • QCoreApplication::applicationVersion
    • QCoreApplication::applicationFilePath
    • QCoreApplication::organizationName
    • QCoreApplication::organizationDomain
    • User name or home directory path if in User mode
  • The primary instance is no longer notified when a secondary instance had been started by default. A Mode flag for this feature exists.
  • Added instanceNumber() which represents a unique identifier for each secondary instance started. When called from the primary instance will return 0.

v2.4

  • Stability improvements
  • Support for secondary instances.
  • The library now recovers safely after the primary process has crashed and the shared memory had not been deleted.

v2.3

  • Improved pimpl design and inheritance safety.

    Vladislav Pyatnichenko

v2.2

  • The QAPPLICATION_CLASS macro can now be defined in the file including the Single Application header or with a DEFINES+= statement in the project file.

v2.1

  • A race condition can no longer occur when starting two processes nearly simultaneously.

    Fix issue #3

v2.0

  • SingleApplication is now being passed a reference to argc instead of a copy.

    Fix issue #1

  • Improved documentation.