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kmidimon - Man Page

Drumstick MIDI monitor using ALSA sequencer and QT user interface


kmidimon [ options ] [ file ]


Drumstick MIDI Monitor records events coming from a MIDI external port or application via the ALSA sequencer, or stored as Standard MIDI Files (SMF), RIFF MIDI (RMI) or Cakewalk (WRK) files. It is especially useful if you want to debug MIDI software or your MIDI setup. It features a nice graphical user interface, customizable event filters and sequencer parameters, support for all MIDI messages and some ALSA messages, and saving the recorded event list to a text file or SMF.

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QT options

The following options apply to all Qt5 applications.

-style= style / -style style

Set the application GUI style. Possible values depend on the system configuration. If Qt is compiled with additional styles or has additional styles as plugins these will be available to the -style command line option.

-stylesheet= stylesheet / -stylesheet stylesheet

Set the application styleSheet. The value must be a path to a file that contains the Style Sheet.


Print debug message at the end about number of widgets left undestroyed and maximum number of widgets existed at the same time.


Set the application’s layout direction to Qt::RightToLeft. This option is intended to aid debugging and should not be used in production. The default value is automatically detected from the user’s locale (see also QLocale::textDirection()).

-platform platformName[:options]

Specify the Qt Platform Abstraction (QPA) plugin.

-platformpluginpath path

Specify the path to platform plugins.

-platformtheme platformTheme

Specify the platform theme.

-plugin plugin

Specify additional plugins to load. The argument may appear multiple times.

-qwindowgeometry geometry

Specify the window geometry for the main window using the X11-syntax. For example: -qwindowgeometry 100x100+50+50

-qwindowicon icon

Set the default window icon.

-qwindowtitle title

Set the title of the first window.

-session session

Restore the application from an earlier session.

-display hostname:screen_number

Switch displays on X11. Overrides the DISPLAY environment variable.

-geometry geometry

Specify the window geometry for the main window on X11. For example: -geometry 100x100+50+50

-fontengine= freetype

Use the FreeType font engine.



Input SMF/RMI/KAR/WRK file name.


See Tickets at Sourceforge <https://sourceforge.net/p/kmidimon/>

See Also

qt5options (7)


This manual page was written by Pedro Lopez-Cabanillas <plcl@users.sourceforge.net> Permission is granted to copy, distribute and/or modify this document under the terms of the GNU General Public License, Version 2 or any later version published by the Free Software Foundation; considering as source code all the file that enable the production of this manpage.


Pedro López-Cabanillas <plcl@users.sf.net>.


December 25, 2023 kmidimon 1.4.0 Drumstick MIDI Monitor