boost(Rounded): Add rounded corner to the banner and menus

Fixes #971

Author: Belphemur

SoundSwitch.UI.Menu/Util/RoundedCorner.cs

@@ -0,0 +1,62 @@
+using System;
+using System.Runtime.InteropServices;
+
+namespace SoundSwitch.UI.Menu.Util;
+
+public static class RoundedCorner
+{
+    private const int OS_WINDOWS_11 = 22000;
+
+    // The enum flag for DwmSetWindowAttribute's second parameter, which tells the function what attribute to set.
+    // Copied from dwmapi.h
+    private enum DWMWINDOWATTRIBUTE
+    {
+        DWMWA_WINDOW_CORNER_PREFERENCE = 33
+    }
+
+    // The DWM_WINDOW_CORNER_PREFERENCE enum for DwmSetWindowAttribute's third parameter, which tells the function
+    // what value of the enum to set.
+    // Copied from dwmapi.h
+    public enum DWM_WINDOW_CORNER_PREFERENCE
+    {
+        DWMWCP_DEFAULT = 0,
+        DWMWCP_DONOTROUND = 1,
+        DWMWCP_ROUND = 2,
+        DWMWCP_ROUNDSMALL = 3
+    }
+
+    // Import dwmapi.dll and define DwmSetWindowAttribute in C# corresponding to the native function.
+    [DllImport("dwmapi.dll", CharSet = CharSet.Unicode, PreserveSig = false)]
+    private static extern void DwmSetWindowAttribute(IntPtr hwnd,
+                                                     DWMWINDOWATTRIBUTE attribute,
+                                                     ref DWM_WINDOW_CORNER_PREFERENCE pvAttribute,
+                                                     uint cbAttribute);
+
+    /// <summary>
+    /// Round the corner of a menu/form (only for Windows 11)
+    /// </summary>
+    /// <param name="handle"></param>
+    /// <param name="preference"></param>
+    public static void RoundCorner(IntPtr handle, DWM_WINDOW_CORNER_PREFERENCE preference)
+    {
+        if (Environment.OSVersion.Version.Major < 10 || Environment.OSVersion.Version.Build < OS_WINDOWS_11)
+        {
+            return;
+        }
+
+        var pref = preference;
+        DwmSetWindowAttribute(handle, DWMWINDOWATTRIBUTE.DWMWA_WINDOW_CORNER_PREFERENCE, ref pref, sizeof(uint));
+    }
+
+
+    [DllImport("Gdi32.dll", EntryPoint = "CreateRoundRectRgn")]
+    public static extern IntPtr CreateRoundRectRgn
+    (
+        int nLeftRect,     // x-coordinate of upper-left corner
+        int nTopRect,      // y-coordinate of upper-left corner
+        int nRightRect,    // x-coordinate of lower-right corner
+        int nBottomRect,   // y-coordinate of lower-right corner
+        int nWidthEllipse, // width of ellipse
+        int nHeightEllipse // height of elli
+    );
+}

SoundSwitch/Framework/Banner/BannerForm.cs

@@ -20,6 +20,7 @@
 using SoundSwitch.Framework.Audio.Play;
 using SoundSwitch.Framework.Threading;
 using SoundSwitch.Model;
+using SoundSwitch.UI.Menu.Util;
 using Timer = System.Windows.Forms.Timer;
 
 namespace SoundSwitch.Framework.Banner
@@ -101,6 +102,8 @@ internal void SetData(BannerData data)
             Opacity = .8;
             lblTop.Text = data.Title;
             lblTitle.Text = data.Text;
+            Region = Region.FromHrgn(RoundedCorner.CreateRoundRectRgn(0, 0, Width, Height , 20, 20));
+
             _timerHide.Enabled = true;
 
             Show();

SoundSwitch/UI/Component/TrayIcon.cs

@@ -38,6 +38,7 @@
 using SoundSwitch.Model;
 using SoundSwitch.Properties;
 using SoundSwitch.UI.Forms;
+using SoundSwitch.UI.Menu.Util;
 using SoundSwitch.Util;
 using SoundSwitch.Util.Url;
 using TimerForm = System.Windows.Forms.Timer;
@@ -184,6 +185,8 @@ private void PopulateSettingsMenu()
             _settingsMenu.Items.Add(TrayIconStrings.about, RessourceHelpSmallBitmap, (sender, e) => new About().Show());
             _settingsMenu.Items.Add(new ToolStripSeparator());
             _settingsMenu.Items.Add(TrayIconStrings.exit, RessourceExitBitmap, (sender, e) => Application.Exit());
+            
+            RoundedCorner.RoundCorner(_settingsMenu.Handle, RoundedCorner.DWM_WINDOW_CORNER_PREFERENCE.DWMWCP_ROUNDSMALL);
         }
 
         private void OnUpdateClick(object sender, EventArgs eventArgs)
@@ -333,6 +336,8 @@ public void UpdateDeviceSelectionList()
                 _selectionMenu.Items.Add(new ToolStripSeparator());
                 _selectionMenu.Items.AddRange(recordingDevices.Select(info => new ToolStripDeviceItem(DeviceClicked, info, info.Equals(defaultRecording))).ToArray());
             }
+            RoundedCorner.RoundCorner(_selectionMenu.Handle, RoundedCorner.DWM_WINDOW_CORNER_PREFERENCE.DWMWCP_ROUNDSMALL);
+        
         }
 
         private void DeviceClicked(object sender, EventArgs e)

SoundSwitch/app.manifest

@@ -1,8 +1,8 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<assembly manifestVersion="1.0" xmlns="urn:schemas-microsoft-com:asm.v1" xmlns:asmv3="urn:schemas-microsoft-com:asm.v3">
+<assembly manifestVersion="1.0" xmlns="urn:schemas-microsoft-com:asm.v1">
   <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
     <application>
-      <!-- Windows 10 -->
+      <!-- Windows 10 and Windows 11 -->
       <supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}"/>
       <!-- Windows 8.1 -->
       <supportedOS Id="{1f676c76-80e1-4239-95bb-83d0f6d0da78}"/>