Optim object list checkout icon

source/Panel/ObjectList/ObjectList.scss

@@ -1,15 +1,46 @@
 @import "../../Component/Theme/Theme.scss";
 
-div.object-list-color-value {
-    height: calc( 100% - 6px);
-    margin: 3px 0;
-    margin-left: 3px;
-    border-radius: 1000px;
-    width: 3px;
-}
-
 div.object-list {
     min-height: 100%;
+
+    div.object-list-color-value {
+        height: calc( 100% - 6px);
+        margin: 3px 0;
+        margin-left: 3px;
+        border-radius: 1000px;
+        width: 3px;
+    }
+
+    div.object-list-checkbox {
+        opacity: 1 !important;
+        padding-left: 2px;
+
+        i.checkbox-icon {
+            display: none;
+            opacity: 0;
+        }
+
+        i.type-icon {
+            display: inline-block;
+            opacity: 1;
+        }
+    }
+
+    div.details-list-item:hover {
+
+        div.object-list-checkbox {
+            
+            i.checkbox-icon {
+                display: inline-block;
+                opacity: 1;
+            }
+
+            i.type-icon {
+                display: none;
+                opacity: 0;
+            }
+        }
+    }
 }
 
 div.object-list-command-bar {

source/Panel/ObjectList/ObjectList.tsx

@@ -4,6 +4,7 @@ import { useStatusWithEvent, IMixinStatusProps } from "@Context/Status";
 import { useSetting, IMixinSettingProps } from "@Context/Setting";
 import { Localization } from "@Component/Localization/Localization";
 import { ObjectID } from "@Model/Renderer";
+import { Icon } from "@fluentui/react";
 import "./ObjectList.scss";
 
 @useSetting
@@ -71,6 +72,22 @@ class ObjectList extends Component<IMixinStatusProps & IMixinSettingProps> {
                     this.props.status.setFocusObject(new Set<ObjectID>());
                 }
             }}
+            renderCheckbox={(item, click) => {
+                let icon = "CheckMark";
+                if (item.key.slice(0, 1) === "R") {
+                    icon = "CubeShape";
+                }
+                if (item.key.slice(0, 1) === "G") {
+                    icon = "WebAppBuilderFragment";
+                }
+                return <div 
+                    className="object-list-checkbox details-list-checkbox"
+                    onClick={click}
+                >
+                    <Icon className="checkbox-icon" iconName="CheckMark"></Icon>
+                    <Icon className="type-icon" iconName={icon}></Icon>
+                </div>;
+            }}
             columns={[
                 {
                     key: "color",