event action bar, more detail view

Signed-off-by: William Casarin <jb55@jb55.com>

damus/Views/PowView.swift

@@ -0,0 +1,25 @@
+//
+//  PowView.swift
+//  damus
+//
+//  Created by William Casarin on 2022-04-16.
+//
+
+import Foundation
+import SwiftUI
+
+func PowView(_ mpow: Int?) -> some View
+{
+    let pow = mpow ?? 0
+    return Text("\(pow)")
+        .font(.callout)
+        .foregroundColor(calculate_pow_color(pow))
+}
+
+// TODO: make this less saturated on white theme
+func calculate_pow_color(_ pow: Int) -> Color
+{
+    let x = Double(pow) / 30.0;
+    return Color(.sRGB, red: 2.0 * (1.0 - x), green: 2.0 * x, blue: 0, opacity: 0.5)
+}
+