xfce4-panel-alsa-plugin

This is simple xfce4-panel mixer plugin for alsa written on C using GTK3 library. Based on ALSA Tray project source code https://projects.flogisoft.com/alsa-tray/

required

written and tested using:

• ArchLinux 2021-09-10

compilation

gcc -shared -Wall -fPIC -o libalsa-plugin.so alsa-plugin.c `pkg-config --cflags --libs libxfce4panel-2.0` `pkg-config --cflags --libs alsa`

build dependencies

• base-devel
• xfce4-panel
• alsa-lib
• volumeicon

installation

• sudo cp libalsa-plugin.so /usr/lib/xfce4/panel/plugins/libalsa-plugin.so
• sudo cp alsa-plugin.desktop /usr/share/xfce4/panel/plugins/alsa-plugin.desktop
• sudo chmod -x /usr/lib/xfce4/panel/plugins/libalsa-plugin.so

debug info

• xfce4-panel -q && PANEL_DEBUG=1 xfce4-panel

known bugs

• tool tips not used
• mouse wheel not working on panel button
• panel must be placed on bottom only
• program read volume level from FRONT_LEFT channel only
• program set volume level in 2 channels FRONT_LEFT and FRONT_RIGHT only

tuning

you can play with global variables CARD, CONTROL_NAME for using your alsa options and SLIDER_HEIGHT, SLIDER_WIDTH for slider window size