GNOME: Difference between revisions

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GNOME offers support for changing/overhauling the user interface (GNOME Shell) through the use of ''[https://extensions.gnome.org/about/ Extensions].'' Extensions are bundles of third-party [https://gjs.guide/extensions/ GJS] modules that are loaded while GNOME is running to augment the user experience. A repository of GNOME extensions can be found on GNOME's official [https://extensions.gnome.org/ webpage] and can be installed imperatively if needed by unpacking the extension in <code>~/.local/share/gnome-shell/extensions</code> directory. Extensions can only be activated if it supports the GNOME release that it's installed alongside with.

~~However~~, ~~Nix~~ automatically packages all available GNOME extensions under the <code>pkgs.gnomeExtensions</code> attribute. Extensions which require additional dependencies are then manually packaged if needed. Installed extensions can be enabled graphically through the built-in "Extensions" application or through the <code>gnome-extensions</code> command line interface.

In addition, NixOS automatically packages all officially available GNOME extensions under the <code>pkgs.gnomeExtensions</code> attribute. Extensions which require additional dependencies are then manually packaged if needed. Installed extensions can be enabled graphically through the built-in "Extensions" application or through the <code>gnome-extensions</code> command line interface.

{{file|3={

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};

}|name=~/.config/home-manager/home.nix|lang=nix}}Thus the settings attribute accepts an attribute set whose keys are schemas with each schema's value being a nested attribute set of the schema's keys with their appropriate GVariant value.{{Note|Schemas in Nix are written without leading and trailing slashes. In addition, since dconf have more data types than the Nix language (for example, tuples), in some cases you'll need to convert Nix value to a GVariant value. You can achieve that by using the functions defined under <code>lib.gvariant</code>, they're documented [https://nixos.org/manual/nixpkgs/stable/#sec-functions-library-gvariant here].}}

}|name=~/.config/home-manager/home.nix|lang=nix}}Thus the settings attribute accepts an attribute set whose keys are schemas with each schema's value being a nested attribute set of the schema's keys with their appropriate GVariant value.{{Note|Schemas in Nix are written without leading and trailing slashes. In addition, since dconf have more data types than the Nix language (for example, tuples), in some cases you'll need to convert Nix value to a GVariant value. You can achieve that by using the functions defined under <code>lib.gvariant</code>, they're documented [https://nixos.org/manual/nixpkgs/stable/#sec-functions-library-gvariant here].}}If you wish to revert all dconf settings back to their default state (reset GNOME essentially) then use the following command which resets all schemas directories available on your system, note that this will affect all programs that use dconf, including GNOME apps and extensions.<syntaxhighlight lang="bash">

$ dconf reset -f /

</syntaxhighlight>

==== Extensions ====

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The GNOME shell extension [https://extensions.gnome.org/extension/3843/just-perfection/ Just Perfection] also allows for customizing nearly all parts of the GNOME shell interface.

=== GNOME Qt integration ===

Using the following example configuration, Qt applications will have a look similar to the adwaita style used by GNOME using a dark theme.

{{File|3={

qt = {

enable = true;

platformTheme = "gnome";

style = "adwaita-dark";

};

}|name=/etc/nixos/configuration.nix|lang=nix}}

For other themes, you may need the packages <code>libsForQt5.qt5ct</code> and <code>libsForQt5.qtstyleplugin-kvantum</code> and a symlink from <code>~/.config/Kvantum/</code> to your theme package. Here is an example using Arc-Dark and [[Home Manager]]. In the Home Manager configuration:

{{File|3={

qt = {

enable = true;

platformTheme = "qtct";

style = "kvantum";

};

xdg.configFile = {

"Kvantum/ArcDark".source = "${pkgs.arc-kde-theme}/share/Kvantum/ArcDark";

"Kvantum/kvantum.kvconfig".text = "[General]\ntheme=ArcDark";

};

}|name=~/.config/home-manager/home.nix|lang=nix}}

For more details, see [https://discourse.nixos.org/t/guide-to-installing-qt-theme/35523/2 this] forum post.{{Note|Qt integration with the adwaita style isn't perfect and your mileage may vary.}}

=== Experimental settings ===

@@ Line 26: / Line 26: @@
 GNOME offers support for changing/overhauling the user interface (GNOME Shell) through the use of ''[https://extensions.gnome.org/about/ Extensions].'' Extensions are bundles of third-party [https://gjs.guide/extensions/ GJS] modules that are loaded while GNOME is running to augment the user experience. A repository of GNOME extensions can be found on GNOME's official [https://extensions.gnome.org/ webpage] and can be installed imperatively if needed by unpacking the extension in <code>~/.local/share/gnome-shell/extensions</code> directory. Extensions can only be activated if it supports the GNOME release that it's installed alongside with.
-However, Nix automatically packages all available GNOME extensions under the <code>pkgs.gnomeExtensions</code> attribute. Extensions which require additional dependencies are then manually packaged if needed. Installed extensions can be enabled graphically through the built-in "Extensions" application or through the <code>gnome-extensions</code> command line interface.
+In addition, NixOS automatically packages all officially available GNOME extensions under the <code>pkgs.gnomeExtensions</code> attribute. Extensions which require additional dependencies are then manually packaged if needed. Installed extensions can be enabled graphically through the built-in "Extensions" application or through the <code>gnome-extensions</code> command line interface.
 {{file|3={
@@ Line 75: / Line 75: @@
      };
    };
-}|name=~/.config/home-manager/home.nix|lang=nix}}Thus the settings attribute accepts an attribute set whose keys are schemas with each schema's value being a nested attribute set of the schema's keys with their appropriate GVariant value.{{Note|Schemas in Nix are written without leading and trailing slashes. In addition, since dconf have more data types than the Nix language (for example, tuples), in some cases you'll need to convert Nix value to a GVariant value. You can achieve that by using the functions defined under <code>lib.gvariant</code>, they're documented [https://nixos.org/manual/nixpkgs/stable/#sec-functions-library-gvariant here].}}
+}|name=~/.config/home-manager/home.nix|lang=nix}}Thus the settings attribute accepts an attribute set whose keys are schemas with each schema's value being a nested attribute set of the schema's keys with their appropriate GVariant value.{{Note|Schemas in Nix are written without leading and trailing slashes. In addition, since dconf have more data types than the Nix language (for example, tuples), in some cases you'll need to convert Nix value to a GVariant value. You can achieve that by using the functions defined under <code>lib.gvariant</code>, they're documented [https://nixos.org/manual/nixpkgs/stable/#sec-functions-library-gvariant here].}}If you wish to revert all dconf settings back to their default state (reset GNOME essentially) then use the following command which  resets all schemas directories available on your system, note that this will affect all programs that use dconf, including GNOME apps and extensions.<syntaxhighlight lang="bash">
+$ dconf reset -f /
+</syntaxhighlight>
 ==== Extensions ====
@@ Line 116: / Line 118: @@
 The GNOME shell extension [https://extensions.gnome.org/extension/3843/just-perfection/ Just Perfection] also allows for customizing nearly all parts of the GNOME shell interface.
+=== GNOME Qt integration ===
+Using the following example configuration, Qt applications will have a look similar to the adwaita style used by GNOME using a dark theme.
+{{File|3={
+  qt = {
+    enable = true;
+    platformTheme = "gnome";
+    style = "adwaita-dark";
+  };
+}|name=/etc/nixos/configuration.nix|lang=nix}}
+For other themes, you may need the packages <code>libsForQt5.qt5ct</code> and <code>libsForQt5.qtstyleplugin-kvantum</code> and a symlink from <code>~/.config/Kvantum/</code> to your theme package. Here is an example using Arc-Dark and [[Home Manager]]. In the Home Manager configuration:
+{{File|3={
+  qt = {
+    enable = true;
+    platformTheme = "qtct";
+    style = "kvantum";
+  };
+  xdg.configFile = {
+    "Kvantum/ArcDark".source = "${pkgs.arc-kde-theme}/share/Kvantum/ArcDark";
+    "Kvantum/kvantum.kvconfig".text = "[General]\ntheme=ArcDark";
+  };
+}|name=~/.config/home-manager/home.nix|lang=nix}}
+For more details, see [https://discourse.nixos.org/t/guide-to-installing-qt-theme/35523/2 this] forum post.{{Note|Qt integration with the adwaita style isn't perfect and your mileage may vary.}}
 === Experimental settings ===