Fixes

main/CMakeLists.txt

@@ -11,6 +11,7 @@ idf_component_register(SRCS "HistoryStore.cpp" "KnxWorker.cpp" "Nvs.cpp" "main.c
                              "widgets/PowerNodeWidget.cpp"
                              "widgets/PowerLinkWidget.cpp"
                              "widgets/ChartWidget.cpp"
+                             "widgets/ClockWidget.cpp"
                              "webserver/WebServer.cpp"
                              "webserver/StaticFileHandlers.cpp"
                              "webserver/ConfigHandlers.cpp"

main/WidgetConfig.hpp

@@ -22,6 +22,7 @@ enum class WidgetType : uint8_t {
     POWERNODE = 7,
     POWERLINK = 8,
     CHART = 9,
+    CLOCK = 10,
 };
 
 enum class IconPosition : uint8_t {

main/widgets/ClockWidget.cpp

@@ -0,0 +1,151 @@
+#include "ClockWidget.hpp"
+#include <cmath>
+
+#ifndef PI
+#define PI 3.14159265358979323846f
+#endif
+
+ClockWidget::ClockWidget(const WidgetConfig& config)
+    : Widget(config)
+{
+}
+
+lv_obj_t* ClockWidget::create(lv_obj_t* parent) {
+    obj_ = lv_obj_create(parent);
+    if (!obj_) return nullptr;
+
+    lv_obj_remove_style_all(obj_);
+    lv_obj_set_pos(obj_, config_.x, config_.y);
+    lv_obj_set_size(obj_, 
+        config_.width > 0 ? config_.width : 200, 
+        config_.height > 0 ? config_.height : 200);
+    lv_obj_clear_flag(obj_, LV_OBJ_FLAG_SCROLLABLE);
+
+    // Create hands
+    hourHand_ = lv_line_create(obj_);
+    minuteHand_ = lv_line_create(obj_);
+    secondHand_ = lv_line_create(obj_);
+    centerDot_ = lv_obj_create(obj_);
+
+    // Style center dot
+    lv_obj_remove_style_all(centerDot_);
+    lv_obj_set_size(centerDot_, 8, 8);
+    lv_obj_set_style_radius(centerDot_, LV_RADIUS_CIRCLE, 0);
+    lv_obj_center(centerDot_);
+
+    // Initial update to set positions (will be updated by loop)
+    time_t now;
+    time(&now);
+    struct tm t;
+    localtime_r(&now, &t);
+    updateHands(t);
+
+    return obj_;
+}
+
+void ClockWidget::applyStyle() {
+    if (!obj_) return;
+
+    // Face style (background)
+    if (config_.bgOpacity > 0) {
+        lv_obj_set_style_bg_color(obj_, lv_color_make(
+            config_.bgColor.r, config_.bgColor.g, config_.bgColor.b), 0);
+        lv_obj_set_style_bg_opa(obj_, config_.bgOpacity, 0);
+    }
+    
+    if (config_.borderRadius > 0) {
+        lv_obj_set_style_radius(obj_, config_.borderRadius, 0); // Usually 50% for circle
+    } else {
+        lv_obj_set_style_radius(obj_, LV_RADIUS_CIRCLE, 0);
+    }
+
+    lv_obj_set_style_border_width(obj_, 2, 0);
+    lv_obj_set_style_border_color(obj_, lv_color_make(
+        config_.textColor.r, config_.textColor.g, config_.textColor.b), 0);
+
+    // Hand colors
+    lv_color_t handColor = lv_color_make(
+        config_.textColor.r, config_.textColor.g, config_.textColor.b);
+    lv_color_t secColor = lv_color_make(200, 50, 50); // Red for second hand
+
+    if (hourHand_) {
+        lv_obj_set_style_line_width(hourHand_, 6, 0);
+        lv_obj_set_style_line_color(hourHand_, handColor, 0);
+        lv_obj_set_style_line_rounded(hourHand_, true, 0);
+    }
+    if (minuteHand_) {
+        lv_obj_set_style_line_width(minuteHand_, 4, 0);
+        lv_obj_set_style_line_color(minuteHand_, handColor, 0);
+        lv_obj_set_style_line_rounded(minuteHand_, true, 0);
+    }
+    if (secondHand_) {
+        lv_obj_set_style_line_width(secondHand_, 2, 0);
+        lv_obj_set_style_line_color(secondHand_, secColor, 0);
+        lv_obj_set_style_line_rounded(secondHand_, true, 0);
+    }
+    if (centerDot_) {
+        lv_obj_set_style_bg_color(centerDot_, handColor, 0);
+    }
+
+    // Force redraw of hands with new style/dimensions
+    lastSecond_ = -1;
+    time_t now;
+    time(&now);
+    struct tm t;
+    localtime_r(&now, &t);
+    updateHands(t);
+}
+
+void ClockWidget::updateHands(const struct tm& t) {
+    if (t.tm_sec == lastSecond_ && t.tm_min == lastMinute_ && t.tm_hour == lastHour_) return;
+    
+    lastSecond_ = t.tm_sec;
+    lastMinute_ = t.tm_min;
+    lastHour_ = t.tm_hour;
+
+    int32_t w = lv_obj_get_width(obj_);
+    int32_t h = lv_obj_get_height(obj_);
+    int32_t cx = w / 2;
+    int32_t cy = h / 2;
+    int32_t radius = (w < h ? w : h) / 2;
+
+    // Lengths
+    int32_t lenSec = radius - 10;
+    int32_t lenMin = radius - 20;
+    int32_t lenHour = radius * 0.6f;
+
+    // Angles (0 is top, clockwise)
+    // Second: 6 deg per sec
+    float angleSec = t.tm_sec * 6.0f;
+    // Minute: 6 deg per min + 0.1 deg per sec
+    float angleMin = t.tm_min * 6.0f + t.tm_sec * 0.1f;
+    // Hour: 30 deg per hour + 0.5 deg per min
+    float angleHour = (t.tm_hour % 12) * 30.0f + t.tm_min * 0.5f;
+
+    auto calcPoints = [&](float angle, int32_t len, lv_point_precise_t* p) {
+        float rad = (angle - 90.0f) * PI / 180.0f;
+        p[0].x = cx;
+        p[0].y = cy;
+        p[1].x = cx + static_cast<int32_t>(cos(rad) * len);
+        p[1].y = cy + static_cast<int32_t>(sin(rad) * len);
+    };
+
+    if (secondHand_) {
+        calcPoints(angleSec, lenSec, secondPoints_);
+        lv_line_set_points(secondHand_, secondPoints_, 2);
+    }
+    if (minuteHand_) {
+        calcPoints(angleMin, lenMin, minutePoints_);
+        lv_line_set_points(minuteHand_, minutePoints_, 2);
+    }
+    if (hourHand_) {
+        calcPoints(angleHour, lenHour, hourPoints_);
+        lv_line_set_points(hourHand_, hourPoints_, 2);
+    }
+}
+
+void ClockWidget::onKnxTime(const struct tm& value, TextSource source) {
+    // Only accept system time updates or explicitly configured KNX time sources if we supported them
+    // For now, ClockWidget listens to SYSTEM_TIME via WidgetManager broadcast
+    updateHands(value);
+}

main/widgets/ClockWidget.hpp

@@ -0,0 +1,32 @@
+#pragma once
+
+#include "Widget.hpp"
+#include <ctime>
+
+class ClockWidget : public Widget {
+public:
+    explicit ClockWidget(const WidgetConfig& config);
+
+    lv_obj_t* create(lv_obj_t* parent) override;
+    void applyStyle() override;
+    void onKnxTime(const struct tm& value, TextSource source) override;
+
+private:
+    void drawFace();
+    void updateHands(const struct tm& time);
+
+    lv_obj_t* hourHand_ = nullptr;
+    lv_obj_t* minuteHand_ = nullptr;
+    lv_obj_t* secondHand_ = nullptr;
+    lv_obj_t* centerDot_ = nullptr;
+    
+    // Persistent point arrays for lines (LVGL does not copy them)
+    lv_point_precise_t hourPoints_[2];
+    lv_point_precise_t minutePoints_[2];
+    lv_point_precise_t secondPoints_[2];
+    
+    // Cache current time to avoid redrawing if not changed
+    int lastHour_ = -1;
+    int lastMinute_ = -1;
+    int lastSecond_ = -1;
+};

main/widgets/WidgetFactory.cpp

@@ -9,6 +9,7 @@
 #include "PowerNodeWidget.hpp"
 #include "PowerLinkWidget.hpp"
 #include "ChartWidget.hpp"
+#include "ClockWidget.hpp"
 
 std::unique_ptr<Widget> WidgetFactory::create(const WidgetConfig& config) {
     if (!config.visible) return nullptr;
@@ -34,6 +35,8 @@ std::unique_ptr<Widget> WidgetFactory::create(const WidgetConfig& config) {
             return std::make_unique<PowerLinkWidget>(config);
         case WidgetType::CHART:
             return std::make_unique<ChartWidget>(config);
+        case WidgetType::CLOCK:
+            return std::make_unique<ClockWidget>(config);
         default:
             return nullptr;
     }

sdcard_content/webseite/index.html

@@ -5,8 +5,8 @@
     <link rel="icon" type="image/svg+xml" href="/vite.svg" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>web-interface</title>
-    <script type="module" crossorigin src="/assets/index-DYaUUEn9.js"></script>
+    <script type="module" crossorigin src="/assets/index-itIBE803.js"></script>
-    <link rel="stylesheet" crossorigin href="/assets/index-kFitTaMN.css">
+    <link rel="stylesheet" crossorigin href="/assets/index-BV9BQMzn.css">
   </head>
   <body>
     <div id="app"></div>

web-interface/src/components/SidebarLeft.vue

@@ -14,13 +14,17 @@
           <span class="text-[13px] font-semibold">Button</span>
           <span class="text-[11px] text-muted mt-0.5 block">Aktion</span>
         </button>
-        <button class="bg-panel-2 border border-border rounded-xl p-2.5 text-left transition hover:-translate-y-0.5 hover:border-accent" @click="store.addWidget('led')">
+      <button :class="btnClass" @click="store.addWidget('led')">
-          <span class="text-[13px] font-semibold">LED</span>
+        <span class="material-symbols-outlined text-[24px]">light_mode</span>
-          <span class="text-[11px] text-muted mt-0.5 block">Status</span>
+        <span class="text-[10px]">LED</span>
       </button>
-        <button class="bg-panel-2 border border-border rounded-xl p-2.5 text-left transition hover:-translate-y-0.5 hover:border-accent" @click="store.addWidget('icon')">
+      <button :class="btnClass" @click="store.addWidget('clock')">
-          <span class="text-[13px] font-semibold">Icon</span>
+        <span class="material-symbols-outlined text-[24px]">schedule</span>
-          <span class="text-[11px] text-muted mt-0.5 block">Symbol</span>
+        <span class="text-[10px]">Uhr</span>
+      </button>
+      <button :class="btnClass" @click="store.addWidget('icon')">
+        <span class="material-symbols-outlined text-[24px]">image</span>
+        <span class="text-[10px]">Icon</span>
       </button>
         <button class="bg-panel-2 border border-border rounded-xl p-2.5 text-left transition hover:-translate-y-0.5 hover:border-accent" @click="store.addWidget('tabview')">
           <span class="text-[13px] font-semibold">Tabs</span>

web-interface/src/components/SidebarRight.vue

@@ -248,6 +248,14 @@
             </div>
         </template>
 
+        <template v-if="key === 'clock'">
+            <h4 :class="headingClass">Uhr</h4>
+            <div :class="rowClass"><label :class="labelClass">Hintergrund</label><input class="h-[30px] w-[44px] cursor-pointer border-0 bg-transparent p-0" type="color" v-model="w.bgColor"></div>
+            <div :class="rowClass"><label :class="labelClass">Zeiger</label><input class="h-[30px] w-[44px] cursor-pointer border-0 bg-transparent p-0" type="color" v-model="w.textColor"></div>
+            <div :class="rowClass"><label :class="labelClass">Deckkraft</label><input :class="inputClass" type="number" min="0" max="255" v-model.number="w.bgOpacity"></div>
+            <div :class="rowClass"><label :class="labelClass">Radius</label><input :class="inputClass" type="number" v-model.number="w.radius"></div>
+        </template>
+
         <!-- Typography -->
         <template v-if="key === 'label'">
             <h4 :class="headingClass">Typo</h4>

web-interface/src/constants.js

@@ -12,7 +12,8 @@ export const WIDGET_TYPES = {
     POWERFLOW: 6,
     POWERNODE: 7,
     POWERLINK: 8,
-    CHART: 9
+    CHART: 9,
+    CLOCK: 10
 };
 
 export const ICON_POSITIONS = {
@@ -44,7 +45,8 @@ export const TYPE_KEYS = {
     6: 'powerflow',
     7: 'powernode',
     8: 'powerlink',
-    9: 'chart'
+    9: 'chart',
+    10: 'clock'
 };
 
 export const TYPE_LABELS = {
@@ -57,7 +59,8 @@ export const TYPE_LABELS = {
     powerflow: 'Power Flow',
     powernode: 'Power Node',
     powerlink: 'Power Link',
-    chart: 'Chart'
+    chart: 'Chart',
+    clock: 'Uhr (Analog)'
 };
 
 
@@ -99,7 +102,8 @@ export const sourceOptions = {
     icon: [0, 2],
     powernode: [0, 1, 2, 3, 4, 5, 6, 7],
     powerlink: [0, 1, 3, 5, 6, 7],
-    chart: [1, 3, 5, 6, 7]
+    chart: [1, 3, 5, 6, 7],
+    clock: [11]
 };
 
 export const chartPeriods = [
@@ -363,5 +367,27 @@ export const WIDGET_DEFAULTS = {
                 { knxAddr: 0, textSrc: 1, color: '#EF6351' }
             ]
         }
+    },
+    clock: {
+        w: 200,
+        h: 200,
+        text: '',
+        textSrc: 11, // System Time
+        fontSize: 1,
+        textAlign: TEXT_ALIGNS.CENTER,
+        textColor: '#FFFFFF',
+        bgColor: '#16202c',
+        bgOpacity: 255,
+        radius: 100, // Circular default
+        shadow: { enabled: false, x: 0, y: 0, blur: 0, spread: 0, color: '#000000' },
+        isToggle: false,
+        knxAddrWrite: 0,
+        knxAddr: 0,
+        action: 0,
+        targetScreen: 0,
+        iconCodepoint: 0,
+        iconPosition: 0,
+        iconSize: 1,
+        iconGap: 0
     }
 };

web-interface/src/stores/editor.js

@@ -320,6 +320,7 @@ export const useEditorStore = defineStore('editor', () => {
             case 'powernode': typeValue = WIDGET_TYPES.POWERNODE; break;
             case 'powerlink': typeValue = WIDGET_TYPES.POWERLINK; break;
             case 'chart': typeValue = WIDGET_TYPES.CHART; break;
+            case 'clock': typeValue = WIDGET_TYPES.CLOCK; break;
             default: typeValue = WIDGET_TYPES.LABEL;
         }