feat(quickshell): support x11 bar sessions

home/bin/desktop/executable_quickshell-start.sh

@@ -1,5 +1,23 @@
 #!/bin/bash
-# Start the systemd-managed Quickshell bar on the current Wayland session.
+# Start the systemd-managed Quickshell bar in the current graphical session.
 
-systemctl --user import-environment WAYLAND_DISPLAY XDG_CURRENT_DESKTOP HYPRLAND_INSTANCE_SIGNATURE
+if ! command -v qs &> /dev/null; then
+  if [ "${XDG_SESSION_TYPE}" = "x11" ]; then
+    ~/bin/desktop/polybar-start.sh
+  fi
+  exit 0
+fi
+
+if [ "${XDG_SESSION_TYPE}" = "x11" ]; then
+  systemctl --user unset-environment WAYLAND_DISPLAY HYPRLAND_INSTANCE_SIGNATURE
+  systemctl --user set-environment QT_QPA_PLATFORM=xcb
+else
+  systemctl --user set-environment QT_QPA_PLATFORM=wayland
+fi
+systemctl --user import-environment DISPLAY XAUTHORITY WAYLAND_DISPLAY XDG_SESSION_TYPE XDG_CURRENT_DESKTOP HYPRLAND_INSTANCE_SIGNATURE I3SOCK
+if [ "$(hostname)" = "desktop" ]; then
+  systemctl --user set-environment QUICKSHELL_BAR_SCREEN=DP-2
+else
+  systemctl --user unset-environment QUICKSHELL_BAR_SCREEN
+fi
 systemctl --user restart quickshell-bar.service

home/bin/system/executable_system-start.sh

@@ -5,11 +5,7 @@ pass git pull
 
 # Desktop
 ~/bin/connect-nas.sh
-if [ "${XDG_SESSION_TYPE}" = "wayland" ]; then
 ~/bin/desktop/quickshell-start.sh
-else
-  systemctl --user start polybar
-fi
 systemctl --user restart streamdeck
 /usr/libexec/polkit-gnome-authentication-agent-1 &
 

home/dot_config/quickshell/bar/Bar.qml

@@ -1,6 +1,5 @@
 import QtQuick
 import Quickshell
-import Quickshell.Hyprland
 import Quickshell.Services.Pipewire
 import Quickshell.Services.UPower
 
@@ -11,6 +10,7 @@ PanelWindow {
     property var source: Pipewire.defaultAudioSource
     property var battery: UPower.displayDevice
     property var hardware
+    property bool isWayland: Quickshell.env("XDG_SESSION_TYPE") === "wayland"
 
     anchors {
         top: true
@@ -42,34 +42,29 @@ PanelWindow {
         id: leftModules
         anchors {
             left: parent.left
-            top: parent.top
+            verticalCenter: parent.verticalCenter
-            bottom: parent.bottom
         }
+        height: Theme.blockHeight
         spacing: Theme.moduleSpacing
 
-        Workspaces {
+        Loader {
             height: parent.height
+            source: bar.isWayland ? "Workspaces.qml" : "I3Workspaces.qml"
         }
     }
 
-    Text {
+    Loader {
         anchors.centerIn: parent
         width: Math.max(0, Math.min(implicitWidth,
             parent.width - leftModules.width - rightModules.width - Theme.blockHeight))
-        elide: Text.ElideRight
+        source: bar.isWayland ? "HyprlandTitle.qml" : "I3Title.qml"
-        horizontalAlignment: Text.AlignHCenter
-        text: Hyprland.activeToplevel ? Hyprland.activeToplevel.title : ""
-        color: Theme.foreground
-        font.family: Theme.fontFamily
-        font.pixelSize: Theme.fontSize
     }
 
     Row {
         id: rightModules
         anchors {
             right: parent.right
-            top: parent.top
+            verticalCenter: parent.verticalCenter
-            bottom: parent.bottom
             rightMargin: Theme.moduleSpacing / 2
         }
         spacing: Theme.moduleSpacing

home/dot_config/quickshell/bar/BatteryBlock.qml

@@ -4,10 +4,10 @@ Block {
     id: root
 
     required property var battery
-    property int percentage: Math.round(battery.percentage * 100)
+    property int percentage: battery ? Math.round(battery.percentage * 100) : 0
     signal detailsRequested(var anchorItem)
 
-    visible: battery.ready && battery.isLaptopBattery
+    visible: battery && battery.ready && battery.isLaptopBattery
     interactive: true
     blockColor: percentage <= 15 && UPower.onBattery
         ? Theme.urgent : UPower.onBattery ? Theme.foreground : Theme.secondary

home/dot_config/quickshell/bar/HyprlandTitle.qml

@@ -0,0 +1,11 @@
+import QtQuick
+import Quickshell.Hyprland
+
+Text {
+    elide: Text.ElideRight
+    horizontalAlignment: Text.AlignHCenter
+    text: Hyprland.activeToplevel ? Hyprland.activeToplevel.title : ""
+    color: Theme.foreground
+    font.family: Theme.fontFamily
+    font.pixelSize: Theme.fontSize
+}

home/dot_config/quickshell/bar/I3Title.qml

@@ -0,0 +1,40 @@
+import QtQuick
+import Quickshell.I3
+import Quickshell.Io
+
+Text {
+    id: root
+
+    function focusedTitle(node) {
+        for (const child of (node.nodes || []).concat(node.floating_nodes || [])) {
+            const title = focusedTitle(child);
+            if (title)
+                return title;
+        }
+        return node.focused && node.type === "con" ? node.name || "" : "";
+    }
+
+    elide: Text.ElideRight
+    horizontalAlignment: Text.AlignHCenter
+    color: Theme.foreground
+    font.family: Theme.fontFamily
+    font.pixelSize: Theme.fontSize
+
+    Connections {
+        target: I3
+        function onRawEvent(event) {
+            if ((event.type === "window" || event.type === "workspace") && !treeQuery.running)
+                treeQuery.running = true;
+        }
+    }
+
+    Process {
+        id: treeQuery
+        command: ["i3-msg", "-t", "get_tree"]
+        running: true
+
+        stdout: StdioCollector {
+            onStreamFinished: root.text = root.focusedTitle(JSON.parse(text))
+        }
+    }
+}

home/dot_config/quickshell/bar/I3Workspaces.qml

@@ -0,0 +1,48 @@
+import QtQuick
+import Quickshell.I3
+
+Row {
+    spacing: 0
+
+    Repeater {
+        model: I3.workspaces
+
+        Rectangle {
+            id: workspaceButton
+
+            required property var modelData
+            property bool active: modelData.active
+
+            visible: modelData.number > 0
+            width: visible ? Theme.blockHeight + 2 : 0
+            height: parent.height
+            color: modelData.urgent ? Theme.urgent
+                : active ? Theme.primary : "transparent"
+
+            Rectangle {
+                anchors {
+                    left: parent.left
+                    right: parent.right
+                    bottom: parent.bottom
+                }
+                height: Theme.activeLineWidth
+                color: workspaceButton.active ? Theme.accent : "transparent"
+            }
+
+            Text {
+                anchors.centerIn: parent
+                text: modelData.number === 2 ? "\uf120"
+                    : modelData.number === 13 ? "\uf001" : modelData.name
+                color: Theme.foreground
+                font.family: Theme.iconFontFamily
+                font.pixelSize: Theme.fontSize
+            }
+
+            MouseArea {
+                anchors.fill: parent
+                cursorShape: Qt.PointingHandCursor
+                onClicked: workspaceButton.modelData.activate()
+            }
+        }
+    }
+}

home/dot_config/quickshell/bar/Theme.qml

@@ -18,7 +18,7 @@ Singleton {
     readonly property string fontFamily: "SF Pro Display, Helvetica, Arial, sans-serif"
     readonly property string iconFontFamily: "SF Pro Display, Font Awesome 6 Free"
 
-    readonly property int barHeight: 38
+    readonly property int barHeight: 32
     readonly property int blockHeight: 32
     readonly property int fontSize: 18
     readonly property int fontTiny: 11

home/dot_config/quickshell/bar/shell.qml

@@ -11,6 +11,8 @@ ShellRoot {
         Bar {
             required property var modelData
             screen: modelData
+            visible: !Quickshell.env("QUICKSHELL_BAR_SCREEN")
+                || modelData.name === Quickshell.env("QUICKSHELL_BAR_SCREEN")
             hardware: hardwareService
         }
     }

home/dot_config/systemd/user/quickshell-bar.service

@@ -3,7 +3,6 @@ Description=Quickshell desktop bar
 Documentation=https://quickshell.org/
 After=graphical-session.target
 PartOf=graphical-session.target
-ConditionEnvironment=WAYLAND_DISPLAY
 
 [Service]
 Type=simple