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Merge pull request #143673 from oxalica/fix/sddm-default-session

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plasma5: set default session to plasma X11 and fix sddm
This commit is contained in:
Thomas Tuegel 2021-11-06 09:55:47 -05:00 committed by GitHub
commit a506f9c797
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5 changed files with 80 additions and 1 deletions
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4
nixos/modules/services/x11/desktop-managers/plasma5.nix
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@ -189,6 +189,10 @@ in
];
services.xserver.displayManager.sessionPackages = [ pkgs.libsForQt5.plasma5.plasma-workspace ];
# Default to be `plasma` (X11) instead of `plasmawayland`, since plasma wayland currently has
# many tiny bugs.
# See: https://github.com/NixOS/nixpkgs/issues/143272
services.xserver.displayManager.defaultSession = mkDefault "plasma";
security.wrappers = {
kcheckpass = {

2
nixos/modules/services/x11/display-managers/default.nix
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@ -280,7 +280,7 @@ in
null;
example = "gnome";
description = ''
Graphical session to pre-select in the session chooser (only effective for GDM and LightDM).
Graphical session to pre-select in the session chooser (only effective for GDM, LightDM and SDDM).
On GDM, LightDM and SDDM, it will also be used as a session for auto-login.
'';

3
nixos/modules/services/x11/display-managers/sddm.nix
View File

@ -30,6 +30,9 @@ let
HaltCommand = "/run/current-system/systemd/bin/systemctl poweroff";
RebootCommand = "/run/current-system/systemd/bin/systemctl reboot";
Numlock = if cfg.autoNumlock then "on" else "none"; # on, off none
# Implementation is done via pkgs/applications/display-managers/sddm/sddm-default-session.patch
DefaultSession = optionalString (dmcfg.defaultSession != null) "${dmcfg.defaultSession}.desktop";
};
Theme = {

1
pkgs/applications/display-managers/sddm/default.nix
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@ -19,6 +19,7 @@ in mkDerivation {
patches = [
./sddm-ignore-config-mtime.patch
./sddm-default-session.patch
# Load `/etc/profile` for `environment.variables` with zsh default shell.
# See: https://github.com/sddm/sddm/pull/1382
(fetchpatch {

71
pkgs/applications/display-managers/sddm/sddm-default-session.patch Normal file
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@ -0,0 +1,71 @@
diff --git a/src/common/Configuration.h b/src/common/Configuration.h
index cf44a62..7bb9c03 100644
--- a/src/common/Configuration.h
+++ b/src/common/Configuration.h
@@ -44,6 +44,7 @@ namespace SDDM {
"NOTE: Currently ignored if autologin is enabled."));
Entry(InputMethod, QString, QStringLiteral("qtvirtualkeyboard"), _S("Input method module"));
Entry(Namespaces, QStringList, QStringList(), _S("Comma-separated list of Linux namespaces for user session to enter"));
+ Entry(DefaultSession, QString, QString(), _S("System-wide default session"));
// Name Entries (but it's a regular class again)
Section(Theme,
Entry(ThemeDir, QString, _S(DATA_INSTALL_DIR "/themes"), _S("Theme directory path"));
diff --git a/src/greeter/SessionModel.cpp b/src/greeter/SessionModel.cpp
index 1953c76..54fe2f2 100644
--- a/src/greeter/SessionModel.cpp
+++ b/src/greeter/SessionModel.cpp
@@ -43,6 +43,7 @@ namespace SDDM {
beginResetModel();
populate(Session::WaylandSession, mainConfig.Wayland.SessionDir.get());
populate(Session::X11Session, mainConfig.X11.SessionDir.get());
+ selectDefaultSession();
endResetModel();
// refresh everytime a file is changed, added or removed
@@ -52,6 +53,7 @@ namespace SDDM {
d->sessions.clear();
populate(Session::WaylandSession, mainConfig.Wayland.SessionDir.get());
populate(Session::X11Session, mainConfig.X11.SessionDir.get());
+ selectDefaultSession();
endResetModel();
});
watcher->addPath(mainConfig.Wayland.SessionDir.get());
@@ -149,11 +151,25 @@ namespace SDDM {
else
delete si;
}
+ }
+
+ void SessionModel::selectDefaultSession() {
+ d->lastIndex = 0;
+
// find out index of the last session
for (int i = 0; i < d->sessions.size(); ++i) {
if (d->sessions.at(i)->fileName() == stateConfig.Last.Session.get()) {
d->lastIndex = i;
- break;
+ return;
+ }
+ }
+
+ // Otherwise, fallback to system-wide default session.
+ auto defaultSession = mainConfig.DefaultSession.get();
+ for (int i = 0; i < d->sessions.size(); ++i) {
+ if (QFileInfo(d->sessions.at(i)->fileName()).fileName() == defaultSession) {
+ d->lastIndex = i;
+ return;
}
}
}
diff --git a/src/greeter/SessionModel.h b/src/greeter/SessionModel.h
index 2e2efa9..a93315c 100644
--- a/src/greeter/SessionModel.h
+++ b/src/greeter/SessionModel.h
@@ -58,6 +58,7 @@ namespace SDDM {
SessionModelPrivate *d { nullptr };
void populate(Session::Type type, const QString &path);
+ void selectDefaultSession();
};
}