feat: add battery warnings

Closes #73
Closes #117

README.md

@@ -253,6 +253,30 @@ default, you must create it manually.
             "terminal": ["foot"],
             "audio": ["pavucontrol"]
         },
+        "battery": {
+            "warnLevels": [
+                {
+                    "level": 20,
+                    "title": "Low battery",
+                    "message": "You might want to plug in a charger",
+                    "icon": "battery_android_frame_2"
+                },
+                {
+                    "level": 10,
+                    "title": "Did you see the previous message?",
+                    "message": "You should probably plug in a charger <b>now</b>",
+                    "icon": "battery_android_frame_1"
+                },
+                {
+                    "level": 5,
+                    "title": "Critical battery level",
+                    "message": "PLUG THE CHARGER RIGHT NOW!!",
+                    "icon": "battery_android_alert",
+                    "critical": true
+                }
+            ],
+            "criticalLevel": 3
+        },
         "idle": {
             "inhibitWhenAudio": true,
             "lockTimeout": 180,
@@ -530,7 +554,8 @@ default, you must create it manually.
         "enabled": true
     },
     "utilities": {
-        "enabled": true
+        "enabled": true,
+        "maxToasts": 4
     }
 }
 ```

config/GeneralConfig.qml

@@ -3,6 +3,7 @@ import Quickshell.Io
 JsonObject {
     property Apps apps: Apps {}
     property Idle idle: Idle {}
+    property Battery battery: Battery {}
 
     component Apps: JsonObject {
         property list<string> terminal: ["foot"]
@@ -17,4 +18,29 @@ JsonObject {
         property real dpmsTimeout: 300 // 5 mins
         property real sleepTimeout: 600 // 10 mins
     }
+
+    component Battery: JsonObject {
+        property list<var> warnLevels: [
+            {
+                level: 20,
+                title: qsTr("Low battery"),
+                message: qsTr("You might want to plug in a charger"),
+                icon: "battery_android_frame_2"
+            },
+            {
+                level: 10,
+                title: qsTr("Did you see the previous message?"),
+                message: qsTr("You should probably plug in a charger <b>now</b>"),
+                icon: "battery_android_frame_1"
+            },
+            {
+                level: 5,
+                title: qsTr("Critical battery level"),
+                message: qsTr("PLUG THE CHARGER RIGHT NOW!!"),
+                icon: "battery_android_alert",
+                critical: true
+            },
+        ]
+        property int criticalLevel: 3
+    }
 }

modules/BatteryMonitor.qml

@@ -0,0 +1,54 @@
+import qs.config
+import Caelestia
+import Quickshell
+import Quickshell.Services.UPower
+import QtQuick
+
+Scope {
+    id: root
+
+    readonly property list<var> warnLevels: [...Config.general.battery.warnLevels].sort((a, b) => b.level - a.level)
+
+    Connections {
+        target: UPower
+
+        function onOnBatteryChanged(): void {
+            if (UPower.onBattery) {
+                Toaster.toast(qsTr("Charger unplugged"), qsTr("Battery is now on AC"), "power_off");
+            } else {
+                Toaster.toast(qsTr("Charger plugged in"), qsTr("Battery is charging"), "battery_android_frame_bolt");
+                for (const level of root.warnLevels)
+                    level.warned = false;
+            }
+        }
+    }
+
+    Connections {
+        target: UPower.displayDevice
+
+        function onPercentageChanged(): void {
+            if (!UPower.onBattery)
+                return;
+
+            const p = UPower.displayDevice.percentage;
+            for (const level of root.warnLevels) {
+                if (p <= level.level && !level.warned) {
+                    level.warned = true;
+                    Toaster.toast(level.title ?? qsTr("Battery warning"), level.message ?? qsTr("Battery level is low"), level.icon ?? "battery_android_alert", level.critical ? Toast.Error : Toast.Warning);
+                }
+            }
+
+            if (!hibernateTimer.running && p <= Config.general.battery.criticalLevel) {
+                Toaster.toast(qsTr("Hibernating in 5 seconds"), qsTr("Hibernating to prevent data loss"), "battery_android_alert", Toast.Error);
+                hibernateTimer.start();
+            }
+        }
+    }
+
+    Timer {
+        id: hibernateTimer
+
+        interval: 5000
+        onTriggered: Quickshell.execDetached(["systemctl", "hibernate"])
+    }
+}

modules/utilities/toasts/ToastItem.qml

@@ -107,10 +107,12 @@ StyledRect {
                     return Colours.palette.m3onSurface;
                 }
                 font.pointSize: Appearance.font.size.normal
+                elide: Text.ElideRight
             }
 
             StyledText {
                 Layout.fillWidth: true
+                textFormat: Text.StyledText
                 text: root.modelData.message
                 color: {
                     if (root.modelData.type === Toast.Success)
@@ -122,6 +124,7 @@ StyledRect {
                     return Colours.palette.m3onSurface;
                 }
                 opacity: 0.8
+                elide: Text.ElideRight
             }
         }
     }

modules/utilities/toasts/Toasts.qml

@@ -58,6 +58,11 @@ Item {
                 return index >= Config.utilities.maxToasts + extraHidden;
             }
 
+            onPreviewHiddenChanged: {
+                if (initAnim.running && previewHidden)
+                    initAnim.stop();
+            }
+
             opacity: modelData.closed || previewHidden ? 0 : 1
             scale: modelData.closed || previewHidden ? 0.7 : 1
 
@@ -83,6 +88,8 @@ Item {
             Component.onCompleted: modelData.lock(this)
 
             Anim {
+                id: initAnim
+
                 Component.onCompleted: running = !toast.previewHidden
 
                 target: toast

shell.qml

@@ -18,6 +18,7 @@ ShellRoot {
     }
 
     Shortcuts {}
+    BatteryMonitor {}
     IdleMonitors {
         lock: lock
     }