v1.3.0: live-bind display mode to config (dialog changes apply without restart); add configurable split-flap cascade seconds

contents/ui/main.qml

@@ -25,11 +25,29 @@ Item {
 
     readonly property int refreshMinutes: Math.max(5, plasmoid.configuration.refreshMinutes)
 
+    // Seconds over which the split-flap display cascades to a new price
+    readonly property int flapSeconds: Math.max(1, plasmoid.configuration.flapSeconds)
+
     // 0 = plain text, 1 = split-flap board, 2 = nixie tubes
     property int displayMode: 0
     readonly property string modeSource: displayMode === 1 ? "DisplayFlip.qml"
                                         : displayMode === 2 ? "DisplayNixie.qml"
                                         : "DisplayText.qml"
+
+    // Enum config values arrive either as an int index or as the choice
+    // name, depending on the Plasma version — accept both.
+    function modeFromConfig(v) {
+        if (typeof v === "number") {
+            return Math.max(0, Math.min(2, Math.round(v)));
+        }
+        if (v === "SplitFlap") {
+            return 1;
+        }
+        if (v === "Nixie") {
+            return 2;
+        }
+        return 0;
+    }
     readonly property string apiUrl: "https://api.coingecko.com/api/v3/simple/price?ids=bitcoin&vs_currencies=eur"
 
     // -1 = down, 0 = unchanged / no previous reading yet, 1 = up
@@ -72,7 +90,10 @@ Item {
 
     Component.onCompleted: {
         try {
-            displayMode = Math.max(0, Math.min(2, plasmoid.configuration.displayMode));
+            // live binding: config changes from the dialog apply immediately
+            displayMode = Qt.binding(function () {
+                return modeFromConfig(plasmoid.configuration.displayMode);
+            });
         } catch (e) {
             // outside a real plasmoid shell (tests): keep the default
         }
@@ -119,6 +140,9 @@ Item {
                     onLoaded: {
                         item.display = Qt.binding(function () { return root.displayText; });
                         item.trendColor = Qt.binding(function () { return root.priceColor; });
+                        if (item.flapSeconds !== undefined) {
+                            item.flapSeconds = Qt.binding(function () { return root.flapSeconds; });
+                        }
                     }
                 }
             }
@@ -154,6 +178,9 @@ Item {
                     onLoaded: {
                         item.display = Qt.binding(function () { return root.displayText; });
                         item.trendColor = Qt.binding(function () { return root.priceColor; });
+                        if (item.flapSeconds !== undefined) {
+                            item.flapSeconds = Qt.binding(function () { return root.flapSeconds; });
+                        }
                     }
                 }