blur: add probe to check compositor for ext-bg-effect

fixes #2108

core/cmd/dms/commands_blur.go

@@ -0,0 +1,40 @@
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/AvengeMedia/DankMaterialShell/core/internal/blur"
+	"github.com/spf13/cobra"
+)
+
+var blurCmd = &cobra.Command{
+	Use:   "blur",
+	Short: "Background blur utilities",
+}
+
+var blurCheckCmd = &cobra.Command{
+	Use:   "check",
+	Short: "Check if the compositor supports background blur (ext-background-effect-v1)",
+	Args:  cobra.NoArgs,
+	Run:   runBlurCheck,
+}
+
+func init() {
+	blurCmd.AddCommand(blurCheckCmd)
+}
+
+func runBlurCheck(cmd *cobra.Command, args []string) {
+	supported, err := blur.ProbeSupport()
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "Error: %v\n", err)
+		os.Exit(1)
+	}
+
+	switch supported {
+	case true:
+		fmt.Println("supported")
+	default:
+		fmt.Println("unsupported")
+	}
+}

core/cmd/dms/commands_common.go

@@ -525,5 +525,6 @@ func getCommonCommands() []*cobra.Command {
 		configCmd,
 		dlCmd,
 		randrCmd,
+		blurCmd,
 	}
 }

core/internal/blur/probe.go

@@ -0,0 +1,35 @@
+package blur
+
+import (
+	wlhelpers "github.com/AvengeMedia/DankMaterialShell/core/internal/wayland/client"
+	client "github.com/AvengeMedia/DankMaterialShell/core/pkg/go-wayland/wayland/client"
+)
+
+const extBackgroundEffectInterface = "ext_background_effect_manager_v1"
+
+func ProbeSupport() (bool, error) {
+	display, err := client.Connect("")
+	if err != nil {
+		return false, err
+	}
+	defer display.Context().Close()
+
+	registry, err := display.GetRegistry()
+	if err != nil {
+		return false, err
+	}
+
+	found := false
+	registry.SetGlobalHandler(func(e client.RegistryGlobalEvent) {
+		switch e.Interface {
+		case extBackgroundEffectInterface:
+			found = true
+		}
+	})
+
+	if err := wlhelpers.Roundtrip(display, display.Context()); err != nil {
+		return false, err
+	}
+
+	return found, nil
+}

quickshell/Modules/DankBar/Widgets/WorkspaceSwitcher.qml

@@ -20,6 +20,46 @@ Item {
     property var blurBarWindow: null
     property var hyprlandOverviewLoader: null
     property var parentScreen: null
+
+    readonly property real _leftMargin: {
+        if (isVertical)
+            return 0;
+        root.x;
+        if (!root.parent)
+            return 0;
+        const gap = root.mapToItem(null, 0, 0).x;
+        return (gap > 0 && gap < 30) ? gap + 5 : 0;
+    }
+    readonly property real _rightMargin: {
+        if (isVertical)
+            return 0;
+        root.x;
+        root.width;
+        if (!root.parent || !blurBarWindow)
+            return 0;
+        const gap = blurBarWindow.width - root.mapToItem(null, root.width, 0).x;
+        return (gap > 0 && gap < 30) ? gap + 5 : 0;
+    }
+    readonly property real _topMargin: {
+        if (!isVertical)
+            return 0;
+        root.y;
+        if (!root.parent)
+            return 0;
+        const gap = root.mapToItem(null, 0, 0).y;
+        return (gap > 0 && gap < 30) ? gap + 5 : 0;
+    }
+    readonly property real _bottomMargin: {
+        if (!isVertical)
+            return 0;
+        root.y;
+        root.height;
+        if (!root.parent || !blurBarWindow)
+            return 0;
+        const gap = blurBarWindow.height - root.mapToItem(null, 0, root.height).y;
+        return (gap > 0 && gap < 30) ? gap + 5 : 0;
+    }
+
     property int _desktopEntriesUpdateTrigger: 0
     readonly property var sortedToplevels: {
         return CompositorService.filterCurrentWorkspace(CompositorService.sortedToplevels, screenName);
@@ -539,6 +579,60 @@ Item {
         });
     }
 
+    function switchToWorkspaceByModelData(data) {
+        if (!data)
+            return;
+
+        if (root.useExtWorkspace && (data.id || data.name)) {
+            ExtWorkspaceService.activateWorkspace(data.id || data.name, data.groupID || "");
+            return;
+        }
+
+        switch (CompositorService.compositor) {
+        case "niri":
+            if (data.idx !== undefined)
+                NiriService.switchToWorkspace(data.idx);
+            break;
+        case "hyprland":
+            if (data.id)
+                Hyprland.dispatch(`workspace ${data.id}`);
+            break;
+        case "dwl":
+            if (data.tag !== undefined)
+                DwlService.switchToTag(root.screenName, data.tag);
+            break;
+        case "sway":
+        case "scroll":
+        case "miracle":
+            if (data.num)
+                try {
+                    I3.dispatch(`workspace number ${data.num}`);
+                } catch (_) {}
+            break;
+        }
+    }
+
+    function findClosestWorkspaceIndex(localX, localY) {
+        if (workspaceRepeater.count === 0)
+            return -1;
+
+        let closestIdx = -1;
+        let closestDist = Infinity;
+
+        for (let i = 0; i < workspaceRepeater.count; i++) {
+            const item = workspaceRepeater.itemAt(i);
+            if (!item)
+                continue;
+            const center = item.mapToItem(root, item.width / 2, item.height / 2);
+            const dist = isVertical ? Math.abs(localY - center.y) : Math.abs(localX - center.x);
+            if (dist < closestDist) {
+                closestDist = dist;
+                closestIdx = i;
+            }
+        }
+        return closestIdx;
+    }
+
     function switchWorkspace(direction) {
         if (useExtWorkspace) {
             const realWorkspaces = getRealWorkspaces();
@@ -752,8 +846,15 @@ Item {
     }
 
     MouseArea {
-        anchors.fill: parent
-        acceptedButtons: Qt.RightButton
+        id: edgeMouseArea
+        z: -1
+        x: -root._leftMargin
+        y: -root._topMargin
+        width: root.width + root._leftMargin + root._rightMargin
+        height: root.height + root._topMargin + root._bottomMargin
+        acceptedButtons: Qt.LeftButton | Qt.RightButton
+        hoverEnabled: true
+        cursorShape: Qt.PointingHandCursor
 
         property real touchpadAccumulator: 0
         property real mouseAccumulator: 0
@@ -766,12 +867,20 @@ Item {
         }
 
         onClicked: mouse => {
-            if (mouse.button === Qt.RightButton) {
+            const rootPos = edgeMouseArea.mapToItem(root, mouse.x, mouse.y);
+            switch (mouse.button) {
+            case Qt.RightButton:
                 if (CompositorService.isNiri) {
                     NiriService.toggleOverview();
                 } else if (CompositorService.isHyprland && root.hyprlandOverviewLoader?.item) {
                     root.hyprlandOverviewLoader.item.overviewOpen = !root.hyprlandOverviewLoader.item.overviewOpen;
                 }
+                break;
+            case Qt.LeftButton:
+                const idx = root.findClosestWorkspaceIndex(rootPos.x, rootPos.y);
+                if (idx >= 0)
+                    root.switchToWorkspaceByModelData(root.workspaceList[idx]);
+                break;
             }
         }
 

quickshell/Modules/Settings/WidgetsTabSection.qml

@@ -1,6 +1,5 @@
 import QtQuick
 import QtQuick.Controls
-import QtQuick.Layouts
 import qs.Common
 import qs.Widgets
 import qs.Services
@@ -52,15 +51,14 @@ Column {
     height: implicitHeight
     spacing: Theme.spacingM
 
-    RowLayout {
-        width: parent.width
+    Row {
         spacing: Theme.spacingM
 
         DankIcon {
             name: root.titleIcon
             size: Theme.iconSize
             color: Theme.primary
-            Layout.alignment: Qt.AlignVCenter
+            anchors.verticalCenter: parent.verticalCenter
         }
 
         StyledText {
@@ -68,7 +66,7 @@ Column {
             font.pixelSize: Theme.fontSizeLarge
             font.weight: Font.Medium
             color: Theme.surfaceText
-            Layout.alignment: Qt.AlignVCenter
+            anchors.verticalCenter: parent.verticalCenter
         }
     }
 
@@ -981,10 +979,26 @@ Column {
 
                 Repeater {
                     model: [
-                        { label: I18n.tr("Percentage"), mode: 0, icon: "percent" },
-                        { label: I18n.tr("Total"), mode: 1, icon: "storage" },
-                        { label: I18n.tr("Remaining"), mode: 2, icon: "hourglass_empty" },
-                        { label: I18n.tr("Remaining / Total"), mode: 3, icon: "pie_chart" }
+                        {
+                            label: I18n.tr("Percentage"),
+                            mode: 0,
+                            icon: "percent"
+                        },
+                        {
+                            label: I18n.tr("Total"),
+                            mode: 1,
+                            icon: "storage"
+                        },
+                        {
+                            label: I18n.tr("Remaining"),
+                            mode: 2,
+                            icon: "hourglass_empty"
+                        },
+                        {
+                            label: I18n.tr("Remaining / Total"),
+                            mode: 3,
+                            icon: "pie_chart"
+                        }
                     ]
 
                     delegate: Rectangle {
@@ -1316,20 +1330,7 @@ Column {
                     id: longestControlCenterLabelMetrics
                     font.pixelSize: Theme.fontSizeSmall
                     text: {
-                        const labels = [
-                            I18n.tr("Network"),
-                            I18n.tr("VPN"),
-                            I18n.tr("Bluetooth"),
-                            I18n.tr("Audio"),
-                            I18n.tr("Volume"),
-                            I18n.tr("Microphone"),
-                            I18n.tr("Microphone Volume"),
-                            I18n.tr("Brightness"),
-                            I18n.tr("Brightness Value"),
-                            I18n.tr("Battery"),
-                            I18n.tr("Printer"),
-                            I18n.tr("Screen Sharing")
-                        ];
+                        const labels = [I18n.tr("Network"), I18n.tr("VPN"), I18n.tr("Bluetooth"), I18n.tr("Audio"), I18n.tr("Volume"), I18n.tr("Microphone"), I18n.tr("Microphone Volume"), I18n.tr("Brightness"), I18n.tr("Brightness Value"), I18n.tr("Battery"), I18n.tr("Printer"), I18n.tr("Screen Sharing")];
                         let longest = "";
                         for (let i = 0; i < labels.length; i++) {
                             if (labels[i].length > longest.length)
@@ -1340,6 +1341,7 @@ Column {
                 }
 
                 Repeater {
+                    id: groupRepeater
                     model: controlCenterContextMenu.controlCenterGroups
 
                     delegate: Item {
@@ -1569,8 +1571,6 @@ Column {
                             }
                         }
                     }
-
-                    id: groupRepeater
                 }
             }
         }

quickshell/Services/BlurService.qml

@@ -3,13 +3,16 @@ pragma ComponentBehavior: Bound
 
 import QtQuick
 import Quickshell
+import Quickshell.Io
 import Quickshell.Wayland // ! Import is needed despite what qmlls says
 import qs.Common
 
 Singleton {
     id: root
 
-    property bool available: false
+    property bool quickshellSupported: false
+    property bool compositorSupported: false
+    property bool available: quickshellSupported && compositorSupported
     readonly property bool enabled: available && (SettingsData.blurEnabled ?? false)
 
     readonly property color borderColor: {
@@ -72,6 +75,27 @@ Singleton {
         region.destroy();
     }
 
+    Process {
+        id: blurProbe
+        running: false
+        command: ["dms", "blur", "check"]
+
+        stdout: StdioCollector {
+            onStreamFinished: {
+                root.compositorSupported = text.trim() === "supported";
+                if (root.compositorSupported)
+                    console.info("BlurService: Compositor supports ext-background-effect-v1");
+                else
+                    console.info("BlurService: Compositor does not support ext-background-effect-v1");
+            }
+        }
+
+        onExited: exitCode => {
+            if (exitCode !== 0)
+                console.warn("BlurService: blur probe failed with code:", exitCode);
+        }
+    }
+
     Component.onCompleted: {
         try {
             const test = Qt.createQmlObject(`
@@ -79,8 +103,9 @@ Singleton {
                 Region { radius: 0 }
             `, root, "BlurAvailabilityTest");
             test.destroy();
-            available = true;
-            console.info("BlurService: Initialized with blur support");
+            quickshellSupported = true;
+            console.info("BlurService: Quickshell blur support available");
+            blurProbe.running = true;
         } catch (e) {
             console.info("BlurService: BackgroundEffect not available - blur disabled. Requires a newer version of Quickshell.");
         }