Browser Configuration/Firefox Dialog Integration

From KDE Wiki Sandbox
 Starting with version 64, Firefox can now display the native Plasma "Open" and "Save" dialogs, thus integrating better with the look and feel of Plasma Desktop.
Warning
This is a new feature, and should be considered experimental. As such, expect to find bugs, and please report any you find: https://community.kde.org/Get_Involved/Bug_Reporting

To enable the native dialogs:

  • Install the necessary libraries. On most distributions, this can be done installing the xdg-desktop-portal package. This may be broken into two separate packages, xdg-desktop-portal and xdg-desktop-portal-kde.
  • Make a copy of the Firefox desktop file:
    cp /usr/share/applications/firefox.desktop $HOME/.local/share/applications
    If this feature is desired for all users, the system-wide shortcut must be modified as a user with superuser (root) privileges
  • Using the kwriteconfig tool in a console window (or a text editor), modify the Exec directives to instruct Firefox to use the Portal functionality.
    kwriteconfig5 --file=$HOME/.local/share/applications/firefox.desktop --group="Desktop Entry" "Exec" "env GTK_USE_PORTAL=1 /usr/lib/firefox/firefox %u"
kwriteconfig5 --file=$HOME/.local/share/applications/firefox.desktop --group="Desktop Action new-window" "Exec" "env GTK_USE_PORTAL=1 /usr/lib/firefox/firefox %u"
kwriteconfig5 --file=$HOME/.local/share/applications/firefox.desktop --group="Desktop Action new-private-window" "Exec" "env GTK_USE_PORTAL=1 /usr/lib/firefox/firefox %u"
Warning
Changing all "Exec" directives is required as Firefox can be started in multiple modes.
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