Merge remote-tracking branch 'origin/master' into sdl_platform

Source/Editor/GUI/ItemsListContextMenu.cs

@@ -563,8 +563,17 @@ namespace FlaxEditor.GUI
             case KeyboardKeys.Escape:
                 Hide();
                 return true;
+            case KeyboardKeys.Backspace:
+                // Alow the user to quickly focus the searchbar
+                if (_searchBox != null && !_searchBox.IsFocused)
+                {
+                    _searchBox.Focus();
+                    _searchBox.SelectAll();
+                    return true;
+                }
+                break;
             case KeyboardKeys.ArrowDown:
-            {
+            case KeyboardKeys.ArrowUp:
                 if (RootWindow.FocusedControl == null)
                 {
                     // Focus search box if nothing is focused
@@ -572,39 +581,17 @@ namespace FlaxEditor.GUI
                     return true;
                 }
 
-                //  Focus the first visible item or then next one
+                // Get the next item
                 var items = GetVisibleItems();
                 var focusedIndex = items.IndexOf(focusedItem);
-                if (focusedIndex == -1)
-                    focusedIndex = -1;
-                if (focusedIndex + 1 < items.Count)
-                {
-                    var item = items[focusedIndex + 1];
-                    item.Focus();
-                    _scrollPanel.ScrollViewTo(item);
-                    return true;
-                }
-                break;
-            }
-            case KeyboardKeys.ArrowUp:
-                if (focusedItem != null)
-                {
-                    //  Focus the previous visible item or the search box
-                    var items = GetVisibleItems();
-                    var focusedIndex = items.IndexOf(focusedItem);
-                    if (focusedIndex == 0)
-                    {
-                        _searchBox?.Focus();
-                    }
-                    else if (focusedIndex > 0)
-                    {
-                        var item = items[focusedIndex - 1];
-                        item.Focus();
-                        _scrollPanel.ScrollViewTo(item);
-                        return true;
-                    }
-                }
-                break;
+                int delta = key == KeyboardKeys.ArrowDown ? -1 : 1;
+                int nextIndex = Mathf.Wrap(focusedIndex - delta, 0, items.Count - 1);
+                var nextItem = items[nextIndex];
+
+                // Focus the next item
+                nextItem.Focus();
+                _scrollPanel.ScrollViewTo(nextItem);
+                return true;
             case KeyboardKeys.Return:
                 if (focusedItem != null)
                 {

Source/Editor/GUI/MainMenu.cs

@@ -268,6 +268,19 @@ namespace FlaxEditor.GUI
             return AddChild(new MainMenuButton(text));
         }
 
+        /// <summary>
+        /// Gets or adds a button.
+        /// </summary>
+        /// <param name="text">The button text</param>
+        /// <returns>The existing or created button control.</returns>
+        public MainMenuButton GetOrAddButton(string text)
+        {
+            MainMenuButton result = GetButton(text);
+            if (result == null)
+                result = AddButton(text);
+            return result;
+        }
+
         /// <summary>
         /// Gets the button.
         /// </summary>

Source/Editor/GUI/ToolStripButton.cs

@@ -122,6 +122,14 @@ namespace FlaxEditor.GUI
             return this;
         }
 
+        private void OnClicked()
+        {
+            if (AutoCheck)
+                Checked = !Checked;
+            Clicked?.Invoke();
+            (Parent as ToolStrip)?.OnButtonClicked(this);
+        }
+
         /// <inheritdoc />
         public override void Draw()
         {
@@ -196,11 +204,7 @@ namespace FlaxEditor.GUI
             if (button == MouseButton.Left && _primaryMouseDown)
             {
                 _primaryMouseDown = false;
-                if (AutoCheck)
-                    Checked = !Checked;
-                Clicked?.Invoke();
-                (Parent as ToolStrip)?.OnButtonClicked(this);
-
+                OnClicked();
                 return true;
             }
             if (button == MouseButton.Right && _secondaryMouseDown)
@@ -215,6 +219,18 @@ namespace FlaxEditor.GUI
             return base.OnMouseUp(location, button);
         }
 
+        /// <inheritdoc />
+        public override bool OnMouseDoubleClick(Float2 location, MouseButton button)
+        {
+            if (button == MouseButton.Left)
+            {
+                OnClicked();
+                return true;
+            }
+
+            return false;
+        }
+
         /// <inheritdoc />
         public override void OnMouseLeave()
         {