Merge pull request #11 from Novack/main

Added notification counter badge to app taskbar icon
skiff-org · Sep 23, 2023 · 8fc7563 · 8fc7563
2 parents 1e2f69a + 2585881
commit 8fc7563
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Showing 4 changed files with 43 additions and 0 deletions.
diff --git a/skiffWindowsApp/Skiff Desktop/MainWindow.xaml.cs b/skiffWindowsApp/Skiff Desktop/MainWindow.xaml.cs
@@ -10,6 +10,10 @@
 using CustomNotificationsExample.CustomMessage;
 using System.Net.Http;
 using System.Net.Http.Headers;
+using System.Drawing;
+using System.Windows.Media;
+using System.Windows.Interop;
+using System.Windows.Media.Imaging;
 
 namespace Skiff_Desktop
 {
@@ -57,6 +61,7 @@ public MainWindow()
             StateChanged += OnWindowStateChanged;
             SizeChanged += OnWindowSizeChanged;
             RestoreWindow();
+            TaskbarItemInfo = new();
         }
 
         internal void RestoreWindow()
@@ -209,6 +214,31 @@ internal void UpdateUnreadCount(int newTotal)
         {
             UnreadCount = newTotal;
             UnreadCounterChanged?.Invoke();
+
+            TaskbarItemInfo.Overlay = null;
+            if (UnreadCount > 0)
+                TaskbarItemInfo.Overlay = GetCounterBadge();
+        }
+
+        private ImageSource GetCounterBadge()
+        {
+            using Bitmap bitmap = Properties.Resources.badgebg;
+            using Graphics graphics = Graphics.FromImage(bitmap);
+
+            using StringFormat format = new()
+            {
+                LineAlignment = StringAlignment.Center,
+                Alignment = StringAlignment.Center,
+            };
+            var point = new PointF(15f, 17f);
+            var font = new Font(System.Drawing.FontFamily.GenericSansSerif, emSize: 5f, System.Drawing.FontStyle.Bold);
+            string counterStr = Math.Clamp(UnreadCount, 0, 99).ToString();
+            graphics.DrawString(counterStr, font, System.Drawing.Brushes.White, point, format);
+
+            return Imaging.CreateBitmapSourceFromHIcon(
+                                                bitmap.GetHicon(),
+                                                Int32Rect.Empty,
+                                                BitmapSizeOptions.FromEmptyOptions());
         }
     }
 

diff --git a/skiffWindowsApp/Skiff Desktop/Properties/Resources.Designer.cs b/skiffWindowsApp/Skiff Desktop/Properties/Resources.Designer.cs
diff --git a/skiffWindowsApp/Skiff Desktop/Properties/Resources.resx b/skiffWindowsApp/Skiff Desktop/Properties/Resources.resx
@@ -118,6 +118,9 @@
     <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
   <assembly alias="System.Windows.Forms" name="System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
+  <data name="badgebg" type="System.Resources.ResXFileRef, System.Windows.Forms">
+    <value>..\badgebg.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
+  </data>
   <data name="logo" type="System.Resources.ResXFileRef, System.Windows.Forms">
     <value>..\logo.png;System.Drawing.Bitmap, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
   </data>

diff --git a/skiffWindowsApp/Skiff Desktop/badgebg.png b/skiffWindowsApp/Skiff Desktop/badgebg.png