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Qt: install qt5-wayland, fall back to xcb so bauh starts #207

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Merged
VictorGSchneider merged 1 commit into from
Oct 22, 2026
Merged

Qt: install qt5-wayland, fall back to xcb so bauh starts #207

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4 changes: 3 additions & 1 deletion config/hypr/hyprland.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,9 @@ hl.monitor({
-- ── Environment Variables ──
hl.env("XCURSOR_SIZE", "24")
hl.env("XCURSOR_THEME", "Colloid-cursors")
hl.env("QT_QPA_PLATFORM", "wayland")
-- xcb is the fallback for a Qt app whose wayland plugin is not installed
-- (qt5-wayland for Qt5): with "wayland" alone Qt aborts instead.
hl.env("QT_QPA_PLATFORM", "wayland;xcb")
-- qt5ct is a Qt5-only platform theme plugin: Qt6 apps (Quickshell, and so
-- Noctalia) never load it and end up on "hicolor" for icons. Noctalia's icon
-- theme is therefore pinned separately via QS_ICON_THEME in scripts/stoa-bar.sh,
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4 changes: 3 additions & 1 deletion config/niri/config.kdl
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Expand Up @@ -50,7 +50,9 @@ input {
// niri-session already exports XDG_CURRENT_DESKTOP=niri and
// XDG_SESSION_TYPE=wayland, so only the toolkit and theme variables go here.
environment {
QT_QPA_PLATFORM "wayland"
// xcb (through xwayland-satellite) is the fallback for a Qt app whose
// wayland plugin is not installed: with "wayland" alone Qt aborts.
QT_QPA_PLATFORM "wayland;xcb"
// qt5ct is Qt5-only; Noctalia (Qt6) gets its icon theme from
// scripts/stoa-bar.sh — see the same note in hyprland.lua.
QT_QPA_PLATFORMTHEME "qt5ct"
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6 changes: 4 additions & 2 deletions setup/post-install.sh
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Expand Up @@ -177,8 +177,10 @@ SHELL_PKGS_QS="noctalia"
# Fonts and theme
FONT_PKGS="ttf-jetbrains-mono ttf-font-awesome"

# Toolkit unification (Qt = GTK appearance)
THEME_PKGS="qt5ct qt6ct"
# Toolkit unification (Qt = GTK appearance). qt5-wayland/qt6-wayland are
# the Qt platform plugins for a Wayland session; without qt5-wayland a
# Qt5 app (bauh, via PyQt5) aborts on start under QT_QPA_PLATFORM=wayland.
THEME_PKGS="qt5ct qt6ct qt5-wayland qt6-wayland"

# Firewall
FIREWALL_PKGS="nftables"
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