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https://github.com/hyprwm/hyprland-wiki.git
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138 lines
4 KiB
Markdown
138 lines
4 KiB
Markdown
An XDG Desktop Portal (later called XDP) is a program that lets other
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applications communicate swiftly with the compositor through D-Bus.
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It's used for stuff like e.g. opening file pickers, screen sharing.
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On Wayland, it also requires an implementation. For Hyprland,
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you'd usually use `xdg-desktop-portal-wlr` (later called XDPW)
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Unfortunately, due to various reasons the -wlr portal is inferior
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to the KDE or Gnome ones.
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In order to bridge the gap, Hyprland has its own fork of XDPW that
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has more features, called [xdg-desktop-portal-hyprland](https://github.com/hyprwm/xdg-desktop-portal-hyprland).
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(later called XDPH)
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{{< hint type=important >}}
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You don't **need** XDPH. Hyprland will work with XDPW, but XDPH has more features, like e.g.
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window sharing.
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XDPH will work on other wlroots-based compositors, although limited to the XDPW features (other
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will be disabled)
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{{< /hint >}}
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## Installing
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{{< tabs "uniqueid" >}}
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{{< tab "Arch Linux" >}}
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```plain
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pacman -S xdg-desktop-portal-hyprland
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```
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or, for -git:
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```plain
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yay -S xdg-desktop-portal-hyprland-git
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```
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{{< /tab >}}
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{{< tab "Gentoo" >}}
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## Unmask dependencies
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### /etc/portage/profile/package.unmask
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```plain
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dev-qt/qtbase
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dev-qt/qtwayland
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dev-qt/qtdeclarative
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dev-qt/qtshadertools
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```
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## Apply necessary useflags
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### /etc/portage/package.use
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```plain
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dev-qt/qtbase opengl egl eglfs gles2-only
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dev-qt/qtdeclarative opengl
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sys-apps/xdg-desktop-portal screencast
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```
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## Unmask dependencies and xdph
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### /etc/portage/package.accept_keywords
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```plain
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gui-libs/xdg-desktop-portal-hyprland
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dev-qt/qtbase
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dev-qt/qtwayland
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dev-qt/qtdeclarative
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dev-qt/qtshadertools
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```
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btw those are the useflags that I have tested, you could also test others.
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## Installation
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```sh
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eselect repository enable guru
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emaint sync -r guru
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emerge --ask --verbose gui-libs/xdg-desktop-portal-hyprland
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```
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{{< /tab >}}
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{{< tab "Manual" >}}
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See [The Github repo's readme](https://github.com/hyprwm/xdg-desktop-portal-hyprland).
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{{</ tab >}}
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{{< /tabs >}}
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{{< hint type=tip >}}
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XDPH doesn't implement a file picker. For that, I recommend installing `xdg-desktop-portal-gtk` alongside XDPH.
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{{< /hint >}}
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## Usage
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Should start automatically.
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The most basic way of telling everything is OK is by trying to screenshare anything, or
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open OBS and select pipewire source. If XDPH is running, a qt menu will pop up asking you
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what to share.
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If it doesn't, and you get e.g. slurp, then XDPW is launching. In that case, try removing XDPW.
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XDPH will work on other wlroots compositors, but features available only on Hyprland will not work
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(e.g. window sharing)
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For a nuclear option, you can use this script and `exec-once` it:
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```sh
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#!/bin/bash
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sleep 1
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killall -e xdg-desktop-portal-hyprland
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killall -e xdg-desktop-portal-wlr
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killall xdg-desktop-portal
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/usr/lib/xdg-desktop-portal-hyprland &
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sleep 2
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/usr/lib/xdg-desktop-portal &
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```
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adjust the paths if incorrect.
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## Share picker doesn't use the system theme
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Try one or both:
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```sh
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dbus-update-activation-environment --systemd --all
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systemctl --user import-environment QT_QPA_PLATFORMTHEME
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```
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If it works, add it to your config in an `exec-once`.
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## Using the KDE file picker with XDPH
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XDPH does not implement a file picker and uses the GTK one as a fallback by default (see `/usr/share/xdg-desktop-portal/hyprland-portals.conf`). If you want to use the KDE file picker but let XDPH handle everything else, create a file `~/.config/xdg-desktop-portal/hyprland-portals.conf` with the following content:
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```properties
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[preferred]
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default=hyprland;gtk
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org.freedesktop.impl.portal.FileChooser=kde
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```
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You can read more about this in the [xdg-desktop-portal documentation in the Arch Wiki](https://wiki.archlinux.org/title/XDG_Desktop_Portal). Note that some applications like Firefox might require additional configuration to use the KDE file picker.
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## Debugging
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If you get long app launch times, or screensharing does not work, consult the logs.
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`systemctl --user status xdg-desktop-portal-hyprland`
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if you see a crash, it's most likely you are missing `qt6-wayland` and/or `qt5-wayland`.
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