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  • Fn+volume raise,lower, and mute key binding with FVWM and amixer
    Computer/linux 2008.03.02 04:58
    # grep -i audio /usr/share/X11/XKeysymDB
    SunAudioLowerVolume     :1005FF77
    SunAudioMute            :1005FF78
    SunAudioRaiseVolume     :1005FF79
    XF86AudioLowerVolume    :1008FF11
    XF86AudioMute           :1008FF12
    XF86AudioRaiseVolume    :1008FF13
    XF86AudioPlay           :1008FF14
    XF86AudioStop           :1008FF15
    XF86AudioPrev           :1008FF16
    XF86AudioNext           :1008FF17
    XF86AudioRecord         :1008FF1C
    XF86AudioPause          :1008FF31
    XF86AudioMedia          :1008FF32
    XF86AudioRewind         :1008FF3E
    # xev and find the correct keycode corresponding to the keyboard label.

    @ When Fn+mute symbol is pressed, the following message is displayed in the console
    KeyPress event, serial 32, synthetic NO, window 0x2600001,
        root 0x68, subw 0x0, time 1808416027, (89,75), root:(139,189),
        state 0x0, keycode 160 (keysym 0x0, NoSymbol), same_screen YES,
        XLookupString gives 0 bytes:
        XmbLookupString gives 0 bytes:
        XFilterEvent returns: False

    KeyRelease event, serial 32, synthetic NO, window 0x2600001,
        root 0x68, subw 0x0, time 1808416027, (89,75), root:(139,189),
        state 0x0, keycode 160 (keysym 0x0, NoSymbol), same_screen YES,
        XLookupString gives 0 bytes:
        XFilterEvent returns: False
    @ When Fn+volume raise symbol is pressed, the following message is displayed in the console
    KeyPress event, serial 32, synthetic NO, window 0x2600001,
        root 0x68, subw 0x0, time 1808428141, (89,75), root:(139,189),
        state 0x0, keycode 176 (keysym 0x0, NoSymbol), same_screen YES,
        XLookupString gives 0 bytes:
        XmbLookupString gives 0 bytes:
        XFilterEvent returns: False

    KeyRelease event, serial 32, synthetic NO, window 0x2600001,
        root 0x68, subw 0x0, time 1808428141, (89,75), root:(139,189),
        state 0x0, keycode 176 (keysym 0x0, NoSymbol), same_screen YES,
        XLookupString gives 0 bytes:
        XFilterEvent returns: False
    @ When Fn+volume lower symbol is pressed, the following message is displayed in the console
    KeyPress event, serial 32, synthetic NO, window 0x2600001,
        root 0x68, subw 0x0, time 1808428638, (89,75), root:(139,189),
        state 0x0, keycode 174 (keysym 0x0, NoSymbol), same_screen YES,
        XLookupString gives 0 bytes:
        XmbLookupString gives 0 bytes:
        XFilterEvent returns: False

    KeyRelease event, serial 32, synthetic NO, window 0x2600001,
        root 0x68, subw 0x0, time 1808428638, (89,75), root:(139,189),
        state 0x0, keycode 174 (keysym 0x0, NoSymbol), same_screen YES,
        XLookupString gives 0 bytes:
        XFilterEvent returns: False

    # emacs  ~/.xmodmaprc &
    keycode 174 = XF86AudioLowerVolume
    keycode 176 = XF86AudioRaiseVolume
    keycode 160 = XF86AudioMute
    # xmodmap ~/.xmodmaprc

    # emacs ~/.fvwm/.fvwmrc &
    key XF86AudioMute  A N Exec exec amixer -q set Master toggle
    key XF86AudioRaiseVolume    A N Exec exec amixer -q set Master 2+
    key XF86AudioLowerVolume    A N Exec exec amixer -q set Master 2-
    Restart fvwm.

    reference

    http://www.mail-archive.com/fvwm@lists.math.uh.edu/msg15985.html

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