Add a more basic ConfirmDialog implementation

osu.Game/Overlays/Dialog/ConfirmDialog.cs

@@ -0,0 +1,45 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using System;
+using osu.Framework.Graphics.Sprites;
+
+namespace osu.Game.Overlays.Dialog
+{
+    /// <summary>
+    /// A dialog which confirms a user action.
+    /// </summary>
+    public class ConfirmDialog : PopupDialog
+    {
+        protected PopupDialogOkButton ButtonConfirm;
+        protected PopupDialogCancelButton ButtonCancel;
+
+        /// <summary>
+        /// Construct a new dialog.
+        /// </summary>
+        /// <param name="description">The description of the action to be displayed to the user.</param>
+        /// <param name="onConfirm">An action to perform on confirmation.</param>
+        /// <param name="onCancel">An optional action to perform on cancel.</param>
+        public ConfirmDialog(string description, Action onConfirm, Action onCancel = null)
+        {
+            HeaderText = $"Are you sure you want to {description}?";
+            BodyText = "Last chance to back out.";
+
+            Icon = FontAwesome.Solid.ExclamationTriangle;
+
+            Buttons = new PopupDialogButton[]
+            {
+                ButtonConfirm = new PopupDialogOkButton
+                {
+                    Text = @"Yes",
+                    Action = onConfirm
+                },
+                ButtonCancel = new PopupDialogCancelButton
+                {
+                    Text = @"Cancel",
+                    Action = onCancel
+                },
+            };
+        }
+    }
+}

osu.Game/Screens/Menu/ConfirmExitDialog.cs

@@ -2,33 +2,17 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System;
-using osu.Framework.Graphics.Sprites;
 using osu.Game.Overlays.Dialog;
 
 namespace osu.Game.Screens.Menu
 {
-    public class ConfirmExitDialog : PopupDialog
+    public class ConfirmExitDialog : ConfirmDialog
     {
-        public ConfirmExitDialog(Action confirm, Action cancel)
+        public ConfirmExitDialog(Action confirm, Action onCancel = null)
+            : base("exit osu!", confirm, onCancel)
         {
-            HeaderText = "Are you sure you want to exit?";
-            BodyText = "Last chance to back out.";
-
-            Icon = FontAwesome.Solid.ExclamationTriangle;
-
-            Buttons = new PopupDialogButton[]
-            {
-                new PopupDialogOkButton
-                {
-                    Text = @"Goodbye",
-                    Action = confirm
-                },
-                new PopupDialogCancelButton
-                {
-                    Text = @"Just a little more",
-                    Action = cancel
-                },
-            };
+            ButtonConfirm.Text = "Let me out!";
+            ButtonCancel.Text = "Just a little more...";
         }
     }
 }