Make object tool < 4K friendly

CnCTDRAMapEditor/App.config

@@ -35,6 +35,9 @@
             <setting name="TemplateToolTextureSizeMultiplier" serializeAs="String">
                 <value>0.5</value>
             </setting>
+            <setting name="ObjectToolItemSizeMultiplier" serializeAs="String">
+                <value>0.3</value>
+            </setting>
         </MobiusEditor.Properties.Settings>
     </userSettings>
     <runtime>

CnCTDRAMapEditor/Controls/TypeComboBox.cs

@@ -57,7 +57,8 @@ namespace MobiusEditor.Controls
             var typeItem = Items[e.Index] as TypeItem<IBrowsableType>;
             if (typeItem?.Type != null)
             {
-                e.ItemHeight = typeItem.Type.Thumbnail?.Height ?? MissingThumbnail.Height;
+                e.ItemHeight = (int)((typeItem.Type.Thumbnail?.Height ?? MissingThumbnail.Height) * 
+                    Properties.Settings.Default.ObjectToolItemSizeMultiplier);
             }
         }
 
@@ -66,6 +67,7 @@ namespace MobiusEditor.Controls
             base.OnDrawItem(e);
 
             e.DrawBackground();
+            e.DrawFocusRectangle();
 
             if ((e.Index >= 0) && (e.Index < Items.Count))
             {
@@ -84,15 +86,27 @@ namespace MobiusEditor.Controls
                     if ((e.State & DrawItemState.ComboBoxEdit) == DrawItemState.None)
                     {
                         var thumbnail = typeItem.Type.Thumbnail ?? MissingThumbnail;
-                        var thumbnailWidth = (int)Math.Min(e.Bounds.Width - textSize.Width, thumbnail.Width);
+                        var thumbnailWidth = (int)Math.Min((e.Bounds.Width - textSize.Width),
-                        var thumbnailSize = new Size(thumbnailWidth, thumbnailWidth * thumbnail.Height / thumbnail.Width);
+                            thumbnail.Width);
+                        int thumbnailHeight = (int)Math.Min(e.Bounds.Height, thumbnail.Height);
+
+                        double widthRatio = (e.Bounds.Width - textSize.Width) / (double)thumbnail.Width;
+                        double heightRatio = e.Bounds.Height / (double)thumbnail.Height;
+                        if (heightRatio < widthRatio)
+                        {
+                            thumbnailWidth = (int)(thumbnail.Width * heightRatio);
+                        }
+                        else
+                        {
+                            thumbnailHeight = (int)(thumbnail.Height * widthRatio);
+                        }
+
+                        var thumbnailSize = new Size(thumbnailWidth, thumbnailHeight);
                         var thumbnailBounds = new Rectangle(new Point(e.Bounds.Right - thumbnailSize.Width, e.Bounds.Top), thumbnailSize);
                         e.Graphics.DrawImage(thumbnail, thumbnailBounds);
                     }
                 }
             }
-
-            e.DrawFocusRectangle();
         }
     }
 }

CnCTDRAMapEditor/Properties/Settings.Designer.cs

@@ -91,5 +91,17 @@ namespace MobiusEditor.Properties {
                 this["TemplateToolTextureSizeMultiplier"] = value;
             }
         }
+        
+        [global::System.Configuration.UserScopedSettingAttribute()]
+        [global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
+        [global::System.Configuration.DefaultSettingValueAttribute("0.3")]
+        public double ObjectToolItemSizeMultiplier {
+            get {
+                return ((double)(this["ObjectToolItemSizeMultiplier"]));
+            }
+            set {
+                this["ObjectToolItemSizeMultiplier"] = value;
+            }
+        }
     }
 }

CnCTDRAMapEditor/Properties/Settings.settings

@@ -20,5 +20,8 @@
     <Setting Name="TemplateToolTextureSizeMultiplier" Type="System.Double" Scope="User">
       <Value Profile="(Default)">0.5</Value>
     </Setting>
+    <Setting Name="ObjectToolItemSizeMultiplier" Type="System.Double" Scope="User">
+      <Value Profile="(Default)">0.3</Value>
+    </Setting>
   </Settings>
 </SettingsFile>