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x window system: added xkill

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tiyn 2023-09-28 04:00:16 +02:00
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wiki/linux/x_window_system.md
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@ -6,7 +6,19 @@ protocoll for handling the display of the most unix-like operating systems.
protocoll. protocoll.
It is maintained by the [X.Org Foundation](https://x.org/wiki/). It is maintained by the [X.Org Foundation](https://x.org/wiki/).
## Peripheral Devices ## Usage
This section addresses various usages of the X Window System.
### Kill Windows
Windows can be killed with the utility `xkill`.
Depending on the [distribution](/wiki/linux.md#distributions) used it maybe has to be installed.
It often is bundled in a package named `xorg-xkill`.
By running `xkill` the mouse cursor will turn into an x.
With the mouse the window to close can then be selected.
### Peripheral Devices
X also handles various options of peripheral devices. X also handles various options of peripheral devices.
In the files of the directory `/etc/X11/xorg.conf.d` and the file In the files of the directory `/etc/X11/xorg.conf.d` and the file
@ -20,11 +32,11 @@ Properties and options of a peripheral device can then be shown by running
`xinput list-props <id>` where `<id>` is the identifier of the `xinput list-props <id>` where `<id>` is the identifier of the
device. device.
### Keyboard #### Keyboard
This section describes the handling of keyboards by X. This section describes the handling of keyboards by X.
#### Change Keyboardlayout ##### Change Keyboardlayout
To temporarily change the layout of the keyboard just run To temporarily change the layout of the keyboard just run
`setxkbmap <your preferred layout>`. `setxkbmap <your preferred layout>`.
@ -39,14 +51,14 @@ Change `<layout 1>` and `<layout 2>` according to preferences.
Using [SXHKD](/wiki/linux/sxhkd.md) a hotkey can be setup to seamlessly transition between the two Using [SXHKD](/wiki/linux/sxhkd.md) a hotkey can be setup to seamlessly transition between the two
layouts. layouts.
### Display #### Display
This section describes the handling of displays by X. This section describes the handling of displays by X.
Additionally to the guides in this section that are independent of the used Additionally to the guides in this section that are independent of the used
graphics unit special configuration for [Nvidia](/wiki/linux/nvidia.md) graphics unit special configuration for [Nvidia](/wiki/linux/nvidia.md)
and [Intel](./intel.md) can be found in their respective entries in this wiki. and [Intel](./intel.md) can be found in their respective entries in this wiki.
#### Screen Blanking ##### Screen Blanking
To save power the screen is set to turn black after a given amount of time. To save power the screen is set to turn black after a given amount of time.
This can be disabled temporarily by running `xset s off` or permanently by This can be disabled temporarily by running `xset s off` or permanently by
@ -58,7 +70,7 @@ Section "ServerFlags"
EndSection EndSection
``` ```
#### Adjust DPI and UI Scale ##### Adjust DPI and UI Scale
The dots per inch (DPI) is a measurement of spatial video dot density. The dots per inch (DPI) is a measurement of spatial video dot density.
It has effect on the size of UI elements. It has effect on the size of UI elements.
@ -76,11 +88,11 @@ For this to work the following line needs to be added into the `~/.xinitrc` file
[ -f "$HOME/.config/xorg/xpcspec" ] && xrdb -merge "$HOME/.config/xorg/xpcspec" [ -f "$HOME/.config/xorg/xpcspec" ] && xrdb -merge "$HOME/.config/xorg/xpcspec"
``` ```
### Mouse #### Mouse
This section describes the handling of mouse by X. This section describes the handling of mouse by X.
#### Emulation of the Middle Mouse Button ##### Emulation of the Middle Mouse Button
If middle mouse button emulation is enabled the system will emulate a middle If middle mouse button emulation is enabled the system will emulate a middle
mouse button click when clicking both left and right mouse button mouse button click when clicking both left and right mouse button