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Using the Meta key as a keyboard shortcut

agostinelli
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Hi,

recently I've had the chance to fiddle with Unity and I quite liked some of the default keyboard shortcuts. In particular, the 'Meta' key is a keyboard shortcut for the Launcher.

Now, I am trying to reproduce the same behavior in KDE, i.e. press the Meta key to launch krunner, but I am not able to do it. It seems that Meta can be used only as a modifier (together with another key) and not as a 'standalone' shortcut. Is there a way to achieve my desired behaviour?

Thanks,
Matteo
User avatar Hans
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As far as I know you would need to remap the Meta key (to e.g. F13), in which case it would stop working as a modifier key. Is this what you want?


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10 things you might want to do in KDE | Open menu with Super key | Mouse shortcuts
agostinelli
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Hans wrote:As far as I know you would need to remap the Meta key (to e.g. F13), in which case it would stop working as a modifier key. Is this what you want?

Not exactly. I would like to have the Meta key working both as a modifier key and as a standalone shortcut if it is pressed and released without any other key.
User avatar Hans
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Unfortunately I don't know if that's possible with the KDE global shortcuts system.


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10 things you might want to do in KDE | Open menu with Super key | Mouse shortcuts
User avatar TheBlackCat
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It isn't possible. Or rather, it isn't possible in Qt, and KDE inherits this functionality from Qt. Qt has separate systems for tracking modifier key presses and other key presses, and it is not possible for a key to be both without breaking this system.


Man is the lowest-cost, 150-pound, nonlinear, all-purpose computer system which can be mass-produced by unskilled labor.
-NASA in 1965
13east
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Is there any way to launch Kickoff Application Launcher plasmoid by double-tapping the Meta, and still use it as a modifier key?
User avatar TheBlackCat
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No, because of how Qt handles modifiers this is not possible.


Man is the lowest-cost, 150-pound, nonlinear, all-purpose computer system which can be mass-produced by unskilled labor.
-NASA in 1965
13east
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TheBlackCat wrote:No, because of how Qt handles modifiers this is not possible.


oh well...
thx for the info
danni
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Meta + Space is a good shortcut for that....

I use
meta + Space for run
meta + z for open menu
and meta + ~ for yakuake
13east
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danni wrote:Meta + Space is a good shortcut for that....

I use
meta + Space for run
meta + z for open menu
and meta + ~ for yakuake


i have it setup the same way (meta as the modifier)...
meta+z is yakuake for me
meta+f1 is menu
meta+f2 is run
meta+c for xkill
meta+h for home directory
meta+d for show desktop
meta+l for lock screen... and so on... just simple combos that i can remember easily
colourdelete
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Sorry, I do know that I am posting very late.

Alt+F1 seems to do the trick. The default Kubuntu 19.10 panel's application launcher opens with Meta, and when I checked the configuration, it was mapped to Alt+F1. If you put in Alt+F1 in the config window for your shortcut, Meta should also be able to run it. I can still use Meta as a modifier key (Meta+T for KSysGuard).

I hope this helps.

 
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