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xdg-desktop-portal-lxqt

A backend implementation for xdg-desktop-portal that is using Qt/KF5/libfm-qt.

Building xdg-desktop-portal-lxqt

Dependencies:

  • Build + Runtime
    • Qt 6
    • KDE Frameworks - KWindowSystem
    • libfm-qt
  • Runtime only
    • Qt 6
    • KDE Frameworks - KWindowSystem
    • xdg-desktop-portal
    • libfm-qt

Build instructions:

$ mkdir build && cd build
$ cmake .. [your_options]
$ make
# make install

Use LXQt filedialog in applications

  • Firefox version 98 and higher: Open in the address bar about:config, search for "portal" and set both widget.use-xdg-desktop-portal.file-picker and widget.use-xdg-desktop-portal.mime-handler from 2 to 1.
  • Thunderbird: Preferences > Configuration Editor widget.use-xdg-desktop-portal has to be set to 1.
  • Some other GTK applications can be started with GTK_USE_PORTAL=1 application

A general use of GTK_USE_PORTAL=1 in ~/.profile or /etc/profile can lead to issues and is not recommended.