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qt: add qt.style option (#1839)

This allows you to set a theme for Qt applications. For example, if you
want to use `adwaita-qt` theme to have uniform look between Gtk and Qt
applications, you can use it like this:

```nix
{
  qt = {
    enable = true;
    platformTheme = "gnome";
    style = {
      name = "adwaita";
      package = pkgs.adwaita-qt;
    };
  };
}
```
This commit is contained in:
Thiago Kenji Okada 2021-03-04 00:20:17 -03:00 committed by GitHub
parent 39e4991856
commit 0e2dc4be30
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
5 changed files with 103 additions and 3 deletions

View file

@ -44,19 +44,72 @@ in {
</variablelist> </variablelist>
''; '';
}; };
style = {
name = mkOption {
type = types.nullOr types.str;
default = null;
example = "adwaita-dark";
relatedPackages = [ "adwaita-qt" [ "libsForQt5" "qtstyleplugins" ] ];
description = ''
Selects the style to use for Qt5 applications.</para>
<para>The options are
<variablelist>
<varlistentry>
<term><literal>adwaita</literal></term>
<term><literal>adwaita-dark</literal></term>
<listitem><para>Use Adwaita Qt style with
<link xlink:href="https://github.com/FedoraQt/adwaita-qt">adwaita</link>
</para></listitem>
</varlistentry>
<varlistentry>
<term><literal>cleanlooks</literal></term>
<term><literal>gtk2</literal></term>
<term><literal>motif</literal></term>
<term><literal>plastique</literal></term>
<listitem><para>Use styles from
<link xlink:href="https://github.com/qt/qtstyleplugins">qtstyleplugins</link>
</para></listitem>
</varlistentry>
</variablelist>
'';
};
package = mkOption {
type = types.nullOr types.package;
default = null;
example = literalExample "pkgs.adwaita-qt";
description = "Theme package to be used in Qt5 applications.";
};
};
}; };
}; };
config = mkIf (cfg.enable && cfg.platformTheme != null) { config = mkIf (cfg.enable && cfg.platformTheme != null) {
home.sessionVariables.QT_QPA_PLATFORMTHEME = assertions = [{
if cfg.platformTheme == "gnome" then "gnome" else "gtk2"; assertion = (cfg.platformTheme == "gnome")
-> ((cfg.style.name != null) && (cfg.style.package != null));
message = ''
`qt.platformTheme` "gnome" must have `qt.style` set to a theme that
supports both Qt and Gtk, for example "adwaita" or "adwaita-dark".
'';
}];
# Necessary because home.sessionVariables is of types.attrs
home.sessionVariables = (filterAttrs (n: v: v != null) {
QT_QPA_PLATFORMTHEME =
if cfg.platformTheme == "gnome" then "gnome" else "gtk2";
QT_STYLE_OVERRIDE = cfg.style.name;
});
home.packages = if cfg.platformTheme == "gnome" then home.packages = if cfg.platformTheme == "gnome" then
[ pkgs.qgnomeplatform ] [ pkgs.qgnomeplatform ]
++ lib.optionals (cfg.style.package != null) [ cfg.style.package ]
else else
[ pkgs.libsForQt5.qtstyleplugins ]; [ pkgs.libsForQt5.qtstyleplugins ];
xsession.importedVariables = [ "QT_QPA_PLATFORMTHEME" ]; xsession.importedVariables = [ "QT_QPA_PLATFORMTHEME" ]
++ lib.optionals (cfg.style != null) [ "QT_STYLE_OVERRIDE" ];
# Enable GTK+ style for Qt4 in either case. # Enable GTK+ style for Qt4 in either case.
# It doesnt support the platform theme packages. # It doesnt support the platform theme packages.

View file

@ -84,6 +84,7 @@ import nmt {
./modules/misc/debug ./modules/misc/debug
./modules/misc/numlock ./modules/misc/numlock
./modules/misc/pam ./modules/misc/pam
./modules/misc/qt
./modules/misc/xdg ./modules/misc/xdg
./modules/misc/xsession ./modules/misc/xsession
./modules/programs/abook ./modules/programs/abook

View file

@ -0,0 +1,4 @@
{
qt-platform-theme-gtk = ./qt-platform-theme-gtk.nix;
qt-platform-theme-gnome = ./qt-platform-theme-gnome.nix;
}

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@ -0,0 +1,27 @@
{ config, lib, pkgs, ... }:
{
config = {
qt = {
enable = true;
platformTheme = "gnome";
style = {
name = "adwaita";
package = pkgs.dummyTheme;
};
};
nixpkgs.overlays = [
(self: super: {
dummyTheme = pkgs.runCommandLocal "theme" { } "mkdir $out";
})
];
nmt.script = ''
assertFileRegex home-path/etc/profile.d/hm-session-vars.sh \
'QT_QPA_PLATFORMTHEME="gnome"'
assertFileRegex home-path/etc/profile.d/hm-session-vars.sh \
'QT_STYLE_OVERRIDE="adwaita"'
'';
};
}

View file

@ -0,0 +1,15 @@
{ config, lib, pkgs, ... }:
{
config = {
qt = {
enable = true;
platformTheme = "gtk";
};
nmt.script = ''
assertFileRegex home-path/etc/profile.d/hm-session-vars.sh \
'QT_QPA_PLATFORMTHEME="gtk2"'
'';
};
}