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x window system: added dpi scaling section

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tiyn 2023-08-08 15:17:20 +02:00
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wiki/linux/x_window_system.md
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@ -49,6 +49,24 @@ Section "ServerFlags"
EndSection
```
#### Adjust DPI and UI Scale
The dots per inch (DPI) is a measurement of spatial video dot density.
It has effect on the size of UI elements.
It is recommended to set the DPI inside the file `~/.config/xorg/xpcspec` with the following line.
The DPI number should be adjusted as needed.
```
Xft.dpi: 100
```
Afterwards `~/.config/xorg/xpcspec` needs to be sourced in the `~/.xinitrc` file.
For this to work the following line needs to be added into the `~/.xinitrc` file .
```sh
[ -f "$HOME/.config/xorg/xpcspec" ] && xrdb -merge "$HOME/.config/xorg/xpcspec"
```
### Mouse
This section describes the handling of mouse by X.