1 files changed, 84 insertions, 0 deletions
diff --git a/services/SystemUsage.qml b/services/SystemUsage.qml
new file mode 100644
index 0000000..c5503b9
--- /dev/null
+++ b/services/SystemUsage.qml
@@ -0,0 +1,84 @@
+pragma Singleton
+
+import Quickshell
+import Quickshell.Io
+import QtQuick
+
+Singleton {
+    id: root
+
+    property real cpuPerc
+    property int memUsed
+    property int memTotal
+    readonly property real memPerc: memTotal > 0 ? memUsed / memTotal : 0
+    property int storageUsed
+    property int storageTotal
+    property real storagePerc: storageTotal > 0 ? storageUsed / storageTotal : 0
+
+    property int lastCpuIdle
+    property int lastCpuTotal
+
+    Timer {
+        running: true
+        interval: 1000
+        repeat: true
+        onTriggered: {
+            stat.reload();
+            meminfo.reload();
+            storage.running = true;
+        }
+    }
+
+    FileView {
+        id: stat
+
+        path: "/proc/stat"
+        onLoaded: {
+            const data = text().match(/^cpu\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)/);
+            if (data) {
+                const stats = data.slice(1).map(n => parseInt(n, 10));
+                const total = stats.reduce((a, b) => a + b, 0);
+                const idle = stats[3];
+
+                const totalDiff = total - root.lastCpuTotal;
+                const idleDiff = idle - root.lastCpuIdle;
+                root.cpuPerc = totalDiff > 0 ? (1 - idleDiff / totalDiff) : 0;
+
+                root.lastCpuTotal = total;
+                root.lastCpuIdle = idle;
+            }
+        }
+    }
+
+    FileView {
+        id: meminfo
+
+        path: "/proc/meminfo"
+        onLoaded: {
+            const data = text();
+            root.memTotal = parseInt(data.match(/MemTotal: *(\d+)/)[1], 10) || 1;
+            root.memUsed = (root.memTotal - parseInt(data.match(/MemAvailable: *(\d+)/)[1], 10)) || 0;
+        }
+    }
+
+    Process {
+        id: storage
+
+        running: true
+        command: ["sh", "-c", "df | grep '^/dev/' | awk '{print $3, $4}'"]
+        stdout: SplitParser {
+            splitMarker: ""
+            onRead: data => {
+                let used = 0;
+                let avail = 0;
+                for (const line of data.trim().split("\n")) {
+                    const [u, a] = line.split(" ");
+                    used += parseInt(u, 10);
+                    avail += parseInt(a, 10);
+                }
+                root.storageUsed = used;
+                root.storageTotal = used + avail;
+            }
+        }
+    }
+}