Invert FN button behaviour

Question

I've a Dell Vostro laptop and i've special button only on F1-12 button. It's possibile to invert the behaviour of FN-button to make default special button activated and F1-12 activated only with FN-button? I use Gnome3

Answer 1

this is my .xmod
keycode 8 =
keycode 9 = Escape NoSymbol Escape
keycode 10 = 1 exclam 1 exclam onesuperior exclamdown
keycode 11 = 2 quotedbl 2 quotedbl twosuperior dead_doubleacute
keycode 12 = 3 sterling 3 sterling threesuperior dead_tilde
keycode 13 = 4 dollar 4 dollar onequarter oneeighth
keycode 14 = 5 percent 5 percent onehalf threeeighths
keycode 15 = 6 ampersand 6 ampersand notsign fiveeighths
keycode 16 = 7 slash 7 slash braceleft seveneighths
keycode 17 = 8 parenleft 8 parenleft bracketleft trademark
keycode 18 = 9 parenright 9 parenright bracketright plusminus
keycode 19 = 0 equal 0 equal braceright dead_ogonek
keycode 20 = apostrophe question apostrophe question grave questiondown
keycode 21 = igrave asciicircum igrave asciicircum asciitilde dead_circumflex
keycode 22 = BackSpace NoSymbol BackSpace
keycode 23 = Tab ISO_Left_Tab Tab ISO_Left_Tab
keycode 24 = q Q q Q at Greek_OMEGA
keycode 25 = w W w W lstroke Lstroke
keycode 26 = e E e E EuroSign cent
keycode 27 = r R r R paragraph registered
keycode 28 = t T t T tslash Tslash
keycode 29 = y Y y Y leftarrow yen
keycode 30 = u U u U downarrow uparrow
keycode 31 = i I i I rightarrow idotless
keycode 32 = o O o O oslash Oslash
keycode 33 = p P p P thorn THORN
keycode 34 = egrave eacute egrave eacute bracketleft braceleft
keycode 35 = plus asterisk plus asterisk bracketright braceright
keycode 36 = Return NoSymbol Return
keycode 37 = Control_L NoSymbol Control_L
keycode 38 = a A a A ae AE
keycode 39 = s S s S ssharp section
keycode 40 = d D d D eth ETH
keycode 41 = f F f F dstroke ordfeminine
keycode 42 = g G g G eng ENG
keycode 43 = h H h H hstroke Hstroke
keycode 44 = j J j J j J
keycode 45 = k K k K kra ampersand
keycode 46 = l L l L lstroke Lstroke
keycode 47 = ograve ccedilla ograve ccedilla at dead_cedilla
keycode 48 = agrave degree agrave degree numbersign dead_abovering
keycode 49 = backslash bar backslash bar notsign brokenbar
keycode 50 = Shift_L NoSymbol Shift_L
keycode 51 = ugrave section ugrave section dead_grave dead_breve
keycode 52 = z Z z Z guillemotleft less
keycode 53 = x X x X guillemotright greater
keycode 54 = c C c C cent copyright
keycode 55 = v V v V leftdoublequotemark leftsinglequotemark
keycode 56 = b B b B rightdoublequotemark rightsinglequotemark
keycode 57 = n N n N ntilde Ntilde
keycode 58 = m M m M mu masculine
keycode 59 = comma semicolon comma semicolon dead_acute multiply
keycode 60 = period colon period colon periodcentered dead_diaeresis
keycode 61 = minus underscore minus underscore dead_macron division
keycode 62 = Shift_R NoSymbol Shift_R
keycode 63 = KP_Multiply XF86ClearGrab KP_Multiply XF86ClearGrab
keycode 64 = Alt_L Meta_L Alt_L Meta_L
keycode 65 = space NoSymbol space
keycode 66 = Caps_Lock ISO_Next_Group Caps_Lock ISO_Next_Group
keycode 67 = F1 XF86Switch_VT_1 F1 XF86Switch_VT_1
keycode 68 = F2 XF86Switch_VT_2 F2 XF86Switch_VT_2
keycode 69 = F3 XF86Switch_VT_3 F3 XF86Switch_VT_3
keycode 70 = F4 XF86Switch_VT_4 F4 XF86Switch_VT_4
keycode 71 = F5 XF86Switch_VT_5 F5 XF86Switch_VT_5
keycode 72 = F6 XF86Switch_VT_6 F6 XF86Switch_VT_6
keycode 73 = F7 XF86Switch_VT_7 F7 XF86Switch_VT_7
keycode 74 = F8 XF86Switch_VT_8 F8 XF86Switch_VT_8
keycode 75 = F9 XF86Switch_VT_9 F9 XF86Switch_VT_9
keycode 76 = F10 XF86Switch_VT_10 F10 XF86Switch_VT_10
keycode 77 = Num_Lock NoSymbol Num_Lock
keycode 78 = Scroll_Lock NoSymbol Scroll_Lock
keycode 79 = KP_Home KP_7 KP_Home KP_7
keycode 80 = KP_Up KP_8 KP_Up KP_8
keycode 81 = KP_Prior KP_9 KP_Prior KP_9
keycode 82 = KP_Subtract XF86Prev_VMode KP_Subtract XF86Prev_VMode
keycode 83 = KP_Left KP_4 KP_Left KP_4
keycode 84 = KP_Begin KP_5 KP_Begin KP_5
keycode 85 = KP_Right KP_6 KP_Right KP_6
keycode 86 = KP_Add XF86Next_VMode KP_Add XF86Next_VMode
keycode 87 = KP_End KP_1 KP_End KP_1
keycode 88 = KP_Down KP_2 KP_Down KP_2
keycode 89 = KP_Next KP_3 KP_Next KP_3
keycode 90 = KP_Insert KP_0 KP_Insert KP_0
keycode 91 = KP_Delete KP_Decimal KP_Delete KP_Decimal
keycode 92 = ISO_Level3_Shift NoSymbol ISO_Level3_Shift
keycode 93 =
keycode 94 = less greater less greater guillemotleft guillemotright
keycode 95 = F11 XF86Switch_VT_11 F11 XF86Switch_VT_11
keycode 96 = F12 XF86Switch_VT_12 F12 XF86Switch_VT_12
keycode 97 =
keycode 98 = Katakana NoSymbol Katakana
keycode 99 = Hiragana NoSymbol Hiragana
keycode 100 = Henkan_Mode NoSymbol Henkan_Mode
keycode 101 = Hiragana_Katakana NoSymbol Hiragana_Katakana
keycode 102 = Muhenkan NoSymbol Muhenkan
keycode 103 =
keycode 104 = KP_Enter NoSymbol KP_Enter
keycode 105 = Control_R NoSymbol Control_R
keycode 106 = KP_Divide XF86Ungrab KP_Divide XF86Ungrab
keycode 107 = Print Sys_Req Print Sys_Req
keycode 108 = ISO_Level3_Shift NoSymbol ISO_Level3_Shift
keycode 109 = Linefeed NoSymbol Linefeed
keycode 110 = Home NoSymbol Home
keycode 111 = Up NoSymbol Up
keycode 112 = Prior NoSymbol Prior
keycode 113 = Left NoSymbol Left
keycode 114 = Right NoSymbol Right
keycode 115 = End NoSymbol End
keycode 116 = Down NoSymbol Down
keycode 117 = Next NoSymbol Next
keycode 118 = Insert NoSymbol Insert
keycode 119 = Delete NoSymbol Delete
keycode 120 =
keycode 121 = XF86AudioMute NoSymbol XF86AudioMute
keycode 122 = XF86AudioLowerVolume NoSymbol XF86AudioLowerVolume
keycode 123 = XF86AudioRaiseVolume NoSymbol XF86AudioRaiseVolume
keycode 124 = XF86PowerOff NoSymbol XF86PowerOff
keycode 125 = KP_Equal NoSymbol KP_Equal
keycode 126 = plusminus NoSymbol plusminus
keycode 127 = Pause Break Pause Break
keycode 128 = XF86LaunchA NoSymbol XF86LaunchA
keycode 129 = KP_Decimal KP_Decimal KP_Decimal KP_Decimal
keycode 130 = Hangul NoSymbol Hangul
keycode 131 = Hangul_Hanja NoSymbol Hangul_Hanja
keycode 132 =
keycode 133 = Super_L NoSymbol Super_L
keycode 134 = Super_R NoSymbol Super_R
keycode 135 = Menu NoSymbol Menu
keycode 136 = Cancel NoSymbol Cancel
keycode 137 = Redo NoSymbol Redo
keycode 138 = SunProps NoSymbol SunProps
keycode 139 = Undo NoSymbol Undo
keycode 140 = SunFront NoSymbol SunFront
keycode 141 = XF86Copy NoSymbol XF86Copy
keycode 142 = SunOpen NoSymbol SunOpen
keycode 143 = XF86Paste NoSymbol XF86Paste
keycode 144 = Find NoSymbol Find
keycode 145 = XF86Cut NoSymbol XF86Cut
keycode 146 = Help NoSymbol Help
keycode 147 = XF86MenuKB NoSymbol XF86MenuKB
keycode 148 = XF86Calculator NoSymbol XF86Calculator
keycode 149 =
keycode 150 = XF86Sleep NoSymbol XF86Sleep
keycode 151 = XF86WakeUp NoSymbol XF86WakeUp
keycode 152 = XF86Explorer NoSymbol XF86Explorer
keycode 153 = XF86Send NoSymbol XF86Send
keycode 154 =
keycode 155 = XF86Xfer NoSymbol XF86Xfer
keycode 156 = XF86Launch1 NoSymbol XF86Launch1
keycode 157 = XF86Launch2 NoSymbol XF86Launch2
keycode 158 = XF86WWW NoSymbol XF86WWW
keycode 159 = XF86DOS NoSymbol XF86DOS
keycode 160 = XF86ScreenSaver NoSymbol XF86ScreenSaver
keycode 161 =
keycode 162 = XF86RotateWindows NoSymbol XF86RotateWindows
keycode 163 = XF86Mail NoSymbol XF86Mail
keycode 164 = XF86Favorites NoSymbol XF86Favorites
keycode 165 = XF86MyComputer NoSymbol XF86MyComputer
keycode 166 = XF86Back NoSymbol XF86Back
keycode 167 = XF86Forward NoSymbol XF86Forward
keycode 168 =
keycode 169 = XF86Eject NoSymbol XF86Eject
keycode 170 = XF86Eject XF86Eject XF86Eject XF86Eject
keycode 171 = XF86AudioNext NoSymbol XF86AudioNext
keycode 172 = XF86AudioPlay XF86AudioPause XF86AudioPlay XF86AudioPause
keycode 173 = XF86AudioPrev NoSymbol XF86AudioPrev
keycode 174 = XF86AudioStop XF86Eject XF86AudioStop XF86Eject
keycode 175 = XF86AudioRecord NoSymbol XF86AudioRecord
keycode 176 = XF86AudioRewind NoSymbol XF86AudioRewind
keycode 177 = XF86Phone NoSymbol XF86Phone
keycode 178 =
keycode 179 = XF86Tools NoSymbol XF86Tools
keycode 180 = XF86HomePage NoSymbol XF86HomePage
keycode 181 = XF86Reload NoSymbol XF86Reload
keycode 182 = XF86Close NoSymbol XF86Close
keycode 183 =
keycode 184 =
keycode 185 = XF86ScrollUp NoSymbol XF86ScrollUp
keycode 186 = XF86ScrollDown NoSymbol XF86ScrollDown
keycode 187 = parenleft NoSymbol parenleft
keycode 188 = parenright NoSymbol parenright
keycode 189 = XF86New NoSymbol XF86New
keycode 190 = Redo NoSymbol Redo
keycode 191 = XF86Tools NoSymbol XF86Tools
keycode 192 = XF86Launch5 NoSymbol XF86Launch5
keycode 193 = XF86Launch6 NoSymbol XF86Launch6
keycode 194 = XF86Launch7 NoSymbol XF86Launch7
keycode 195 = XF86Launch8 NoSymbol XF86Launch8
keycode 196 = XF86Launch9 NoSymbol XF86Launch9
keycode 197 =
keycode 198 =
keycode 199 = XF86TouchpadToggle NoSymbol XF86TouchpadToggle
keycode 200 = XF86TouchpadOn NoSymbol XF86TouchpadOn
keycode 201 = XF86TouchpadOff NoSymbol XF86TouchpadOff
keycode 202 =
keycode 203 = Mode_switch NoSymbol Mode_switch
keycode 204 = NoSymbol Alt_L NoSymbol Alt_L
keycode 205 = NoSymbol Meta_L NoSymbol Meta_L
keycode 206 = NoSymbol Super_L NoSymbol Super_L
keycode 207 = NoSymbol Hyper_L NoSymbol Hyper_L
keycode 208 = XF86AudioPlay NoSymbol XF86AudioPlay
keycode 209 = XF86AudioPause NoSymbol XF86AudioPause
keycode 210 = XF86Launch3 NoSymbol XF86Launch3
keycode 211 = XF86Launch4 NoSymbol XF86Launch4
keycode 212 = XF86LaunchB NoSymbol XF86LaunchB
keycode 213 = XF86Suspend NoSymbol XF86Suspend
keycode 214 = XF86Close NoSymbol XF86Close
keycode 215 = XF86AudioPlay NoSymbol XF86AudioPlay
keycode 216 = XF86AudioForward NoSymbol XF86AudioForward
keycode 217 =
keycode 218 = Print NoSymbol Print
keycode 219 =
keycode 220 = XF86WebCam NoSymbol XF86WebCam
keycode 221 =
keycode 222 =
keycode 223 = XF86Mail NoSymbol XF86Mail
keycode 224 = XF86Messenger NoSymbol XF86Messenger
keycode 225 = XF86Search NoSymbol XF86Search
keycode 226 = XF86Go NoSymbol XF86Go
keycode 227 = XF86Finance NoSymbol XF86Finance
keycode 228 = XF86Game NoSymbol XF86Game
keycode 229 = XF86Shop NoSymbol XF86Shop
keycode 230 =
keycode 231 = Cancel NoSymbol Cancel
keycode 232 = XF86MonBrightnessDown NoSymbol XF86MonBrightnessDown
keycode 233 = XF86MonBrightnessUp NoSymbol XF86MonBrightnessUp
keycode 234 = XF86AudioMedia NoSymbol XF86AudioMedia
keycode 235 = XF86Display NoSymbol XF86Display
keycode 236 = XF86KbdLightOnOff NoSymbol XF86KbdLightOnOff
keycode 237 = XF86KbdBrightnessDown NoSymbol XF86KbdBrightnessDown
keycode 238 = XF86KbdBrightnessUp NoSymbol XF86KbdBrightnessUp
keycode 239 = XF86Send NoSymbol XF86Send
keycode 240 = XF86Reply NoSymbol XF86Reply
keycode 241 = XF86MailForward NoSymbol XF86MailForward
keycode 242 = XF86Save NoSymbol XF86Save
keycode 243 = XF86Documents NoSymbol XF86Documents
keycode 244 = XF86Battery NoSymbol XF86Battery
keycode 245 = XF86Bluetooth NoSymbol XF86Bluetooth
keycode 246 = XF86WLAN NoSymbol XF86WLAN
keycode 247 =
keycode 248 =
keycode 249 =
keycode 250 =
keycode 251 =
keycode 252 =
keycode 253 =
keycode 254 =
keycode 255 =
but if i try to invert the Fbutton every time i press X crash