feat: camper van energy monitoring widget for Plasma 6main

Pure QML KPackage widget with Rust background service for real-time
Victron energy system monitoring via MQTT and D-Bus.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

1 files changed, 80 insertions, 0 deletions

diff --git a/package/contents/ui/ConfigGeneral.qml b/package/contents/ui/ConfigGeneral.qml
new file mode 100644
index 0000000..9428ed0
--- /dev/null
+++ b/package/contents/ui/ConfigGeneral.qml
@@ -0,0 +1,80 @@
+import QtQuick 6.0
+import QtQuick.Layouts 1.15
+import QtQuick.Controls 6.0 as Controls
+import org.kde.kirigami as Kirigami
+import org.kde.kcmutils as KCM
+import org.kde.plasma.workspace.dbus as DBus
+
+KCM.SimpleKCM {
+    id: page
+
+    // KCM properties that will be automatically managed
+    property alias cfg_mqttClientId: mqttClientIdField.text
+    property alias cfg_mqttHosts: mqttHostsField.text
+    property alias cfg_mqttUsername: mqttUsernameField.text
+    property alias cfg_mqttPassword: mqttPasswordField.text
+    property alias cfg_refreshIntervalSeconds: refreshIntervalField.value
+
+    // Default values for KCM system
+    property string cfg_mqttClientIdDefault: "camper-widget-refresh"
+    property string cfg_mqttHostsDefault: "127.0.0.1:1883"
+    property string cfg_mqttUsernameDefault: ""
+    property string cfg_mqttPasswordDefault: ""
+    property int cfg_refreshIntervalSecondsDefault: 60
+
+    Kirigami.FormLayout {
+        anchors.fill: parent
+
+        Controls.TextField {
+            id: mqttClientIdField
+            Kirigami.FormData.label: i18n("MQTT client ID")
+            placeholderText: "camper-widget-refresh"
+        }
+
+        Controls.TextField {
+            id: mqttHostsField
+            Kirigami.FormData.label: i18n("MQTT hosts")
+            placeholderText: "127.0.0.1:1883"
+            Controls.ToolTip.visible: hovered
+            Controls.ToolTip.text: i18n("Comma separated list, e.g. 127.0.0.1 or 127.0.0.1,192.168.1.111 or 127.0.0.1:1883,192.168.1.111:1883")
+        }
+
+        Controls.TextField {
+            id: mqttUsernameField
+            Kirigami.FormData.label: i18n("MQTT username")
+            placeholderText: ""
+        }
+
+        Controls.TextField {
+            id: mqttPasswordField
+            Kirigami.FormData.label: i18n("MQTT password")
+            echoMode: Controls.TextField.Password
+            placeholderText: ""
+        }
+
+        Controls.SpinBox {
+            id: refreshIntervalField
+            Kirigami.FormData.label: i18n("Refresh interval (seconds)")
+            from: 1
+            to: 86400
+            stepSize: 1
+        }
+    }
+
+    // Notify config changes when KCM properties change
+    onCfg_mqttClientIdChanged: notifyConfigChanged()
+    onCfg_mqttHostsChanged: notifyConfigChanged()
+    onCfg_mqttUsernameChanged: notifyConfigChanged()
+    onCfg_mqttPasswordChanged: notifyConfigChanged()
+    onCfg_refreshIntervalSecondsChanged: notifyConfigChanged()
+
+    function notifyConfigChanged() {
+        DBus.SessionBus.asyncCall({
+            service: "org.craftknight.CamperWidget",
+            path: "/org/craftknight/camper_widget",
+            iface: "org.craftknight.CamperWidget.Config",
+            member: "Reload",
+            signature: ""
+        })
+    }
+}