feat: brightness osd

config/OsdConfig.qml

@@ -4,7 +4,7 @@ import Quickshell
 import QtQuick
 
 Singleton {
-    readonly property int hideDelay: 1500
+    readonly property int hideDelay: 2000
     readonly property Sizes sizes: Sizes {}
 
     component Sizes: QtObject {

modules/osd/Content.qml

@@ -7,7 +7,7 @@ import QtQuick
 Column {
     id: root
 
-    required property ShellScreen screen
+    required property Brightness.Monitor monitor
 
     padding: Appearance.padding.large
 
@@ -35,6 +35,8 @@ Column {
 
     VerticalSlider {
         icon: "brightness_6"
+        value: root.monitor?.brightness ?? 0
+        onMoved: root.monitor?.setBrightness(value)
 
         implicitWidth: OsdConfig.sizes.sliderWidth
         implicitHeight: OsdConfig.sizes.sliderHeight

modules/osd/Osd.qml

@@ -4,47 +4,55 @@ import "root:/config"
 import Quickshell
 import QtQuick
 
-Scope {
-    id: root
+Variants {
+    model: Quickshell.screens
 
-    property bool osdVisible
+    Scope {
+        id: root
 
-    function show(): void {
-        root.osdVisible = true;
-        timer.restart();
-    }
+        required property ShellScreen modelData
+        readonly property Brightness.Monitor monitor: Brightness.getMonitorForScreen(modelData)
+        property bool osdVisible
 
-    Connections {
-        target: Audio
-
-        function onMutedChanged(): void {
-            root.show();
+        function show(): void {
+            root.osdVisible = true;
+            timer.restart();
         }
 
-        function onVolumeChanged(): void {
-            root.show();
+        Connections {
+            target: Audio
+
+            function onMutedChanged(): void {
+                root.show();
+            }
+
+            function onVolumeChanged(): void {
+                root.show();
+            }
         }
-    }
 
-    Timer {
-        id: timer
+        Connections {
+            target: root.monitor
 
-        interval: OsdConfig.hideDelay
-        onTriggered: root.osdVisible = false
-    }
+            function onBrightnessChanged(): void {
+                root.show();
+            }
+        }
 
-    Variants {
-        model: Quickshell.screens
+        Timer {
+            id: timer
+
+            interval: OsdConfig.hideDelay
+            onTriggered: root.osdVisible = false
+        }
 
         LazyLoader {
             loading: true
 
-            required property ShellScreen modelData
-
             StyledWindow {
                 id: win
 
-                screen: parent.modelData
+                screen: root.modelData
                 name: "osd"
                 visible: wrapper.shouldBeVisible
 
@@ -80,7 +88,7 @@ Scope {
                     Content {
                         id: content
 
-                        screen: parent.modelData
+                        monitor: root.monitor
                     }
                 }
             }

services/Brightness.qml

@@ -0,0 +1,113 @@
+pragma Singleton
+pragma ComponentBehavior: Bound
+
+import "root:/widgets"
+import Quickshell
+import Quickshell.Io
+import QtQuick
+
+Singleton {
+    id: root
+
+    property var ddcMonitors: []
+    readonly property list<Monitor> monitors: Quickshell.screens.map(screen => monitorComp.createObject(root, {
+            screen
+        }))
+
+    function getMonitorForScreen(screen: ShellScreen): var {
+        return monitors.find(m => m.screen === screen);
+    }
+
+    function increaseBrightness(): void {
+        const focusedName = Hyprland.focusedMonitor.name;
+        const monitor = monitors.find(m => focusedName === m.screen.name);
+        if (monitor)
+            monitor.setBrightness(monitor.brightness + 0.1);
+    }
+
+    function decreaseBrightness(): void {
+        const focusedName = Hyprland.focusedMonitor.name;
+        const monitor = monitors.find(m => focusedName === m.screen.name);
+        if (monitor)
+            monitor.setBrightness(monitor.brightness - 0.1);
+    }
+
+    reloadableId: "brightness"
+
+    onMonitorsChanged: {
+        ddcMonitors = [];
+        ddcProc.running = true;
+    }
+
+    Process {
+        id: ddcProc
+
+        command: ["ddcutil", "detect", "--brief"]
+        stdout: SplitParser {
+            splitMarker: "\n\n"
+            onRead: data => {
+                if (data.startsWith("Display ")) {
+                    const lines = data.split("\n").map(l => l.trim());
+                    root.ddcMonitors.push({
+                        model: lines.find(l => l.startsWith("Monitor:")).split(":")[2],
+                        busNum: lines.find(l => l.startsWith("I2C bus:")).split("/dev/i2c-")[1]
+                    });
+                }
+            }
+        }
+        onExited: root.ddcMonitorsChanged()
+    }
+
+    Process {
+        id: setProc
+    }
+
+    CustomShortcut {
+        name: "brightnessUp"
+        onPressed: root.increaseBrightness()
+    }
+
+    CustomShortcut {
+        name: "brightnessDown"
+        onPressed: root.decreaseBrightness()
+    }
+
+    component Monitor: QtObject {
+        id: monitor
+
+        required property ShellScreen screen
+        readonly property bool isDdc: root.ddcMonitors.some(m => m.model === screen.model)
+        readonly property string busNum: root.ddcMonitors.find(m => m.model === screen.model)?.busNum ?? ""
+        property real brightness
+
+        readonly property Process initProc: Process {
+            stdout: SplitParser {
+                onRead: data => {
+                    const [, , , current, max] = data.split(" ");
+                    monitor.brightness = parseInt(current) / parseInt(max);
+                }
+            }
+        }
+
+        function setBrightness(value: real): void {
+            value = Math.max(0, Math.min(1, value));
+            const rounded = Math.round(value * 100);
+            if (Math.round(brightness * 100) === rounded)
+                return;
+            brightness = value;
+            setProc.command = isDdc ? ["ddcutil", "-b", busNum, "setvcp", "10", rounded] : ["brightnessctl", "s", rounded];
+            setProc.startDetached();
+        }
+
+        onBusNumChanged: {
+            initProc.command = isDdc ? ["ddcutil", "-b", busNum, "getvcp", "10", "--brief"] : ["sh", "-c", `echo "a b c $(brightnessctl g) $(brightnessctl m)"`];
+            initProc.running = true;
+        }
+    }
+
+    Component {
+        id: monitorComp
+
+        Monitor {}
+    }
+}