How to redefine kde4 keyboard shortcuts

kdekeyboard shortcuts

I recently switched to using KDE 4, and I don't like that KDE uses so many of the Ctrl-Fn shortcut keys, since I use them for other purposes. Specifically, I'd like to disable the Ctrl-F4 shortcut in KDE. However, I have not been able to find this shortcut in System Settings -> Shortcuts and Gestures.

UPDATE: Another shortcut I'd like to redefine is the "Show window menu" shortcut, which I like on Alt-Space, but which KDE has on Alt-F3.

I have not been able to find a global place to change all shortcuts.

Best Answer

All of the global keyboard shortcuts are in "Settings -> System Settings -> Shortcuts and Gestures -> Global Keyboard Shortcuts". You'll probably need to go through each of the KDE components to find and remove the shortcuts you don't want.

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Use xmodmap -pm to verify that both keys have the mod4 modifier associated with them.

vikktakkht:686 Z$ xmodmap -pm
xmodmap:  up to 4 keys per modifier, (keycodes in parentheses):

shift       Shift_L (0x32),  Shift_R (0x3e)
lock        Caps_Lock (0x42)
control     Control_L (0x25),  Control_R (0x69)
mod1        Alt_L (0x40),  Alt_R (0x6c),  Meta_L (0xcd)
mod2        Num_Lock (0x4d)
mod3      
mod4        Super_L (0x85),  Super_R (0x86),  Super_L (0xce),  Hyper_L (0xcf)
mod5        ISO_Level3_Shift (0x5c),  Mode_switch (0xcb)

Note that it's not enough that it's named Super_L or Super_R; it's the modifier mapping that matters.

You can use xmodmap to associate keysyms with modifiers, but if your system is at all modern (and not OS X) then it uses Xkb and you probably want to examine your Xkb configuration instead of trying to change it with xmodmap. (Look at setxkbmap and friends, although probably there is a GNOME 3 interface to it that you should use.)

Suspend KDE & X-Windows Keyboard Shortcuts for Specific Applications

right-click on the emacs window titlebar, then:

More Actions ->

Special Application Settings ->

select tab Appearance & Fixes ->

check Ignore global shortcut, select Force from the dropdown menu and check the radio button Yes. enter image description here

You can access all your custom application settings via System Settings, selecting Window behaviour and then Window rules

Best Answer

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Suspend KDE & X-Windows Keyboard Shortcuts for Specific Applications

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