fix(SelectionAssistant): support selection when alt key pressed (#6865)

fix: support alt key selection

src/main/services/SelectionService.ts

@@ -812,8 +812,8 @@ export class SelectionService {
     if (this.triggerMode === TriggerMode.Ctrlkey && this.isCtrlkey(data.vkCode)) {
       return
     }
-    //dont hide toolbar when shiftkey is pressed, because it's used for selection
-    if (this.isShiftkey(data.vkCode)) {
+    //dont hide toolbar when shiftkey or altkey is pressed, because it's used for selection
+    if (this.isShiftkey(data.vkCode) || this.isAltkey(data.vkCode)) {
       return
     }
 
@@ -901,6 +901,11 @@ export class SelectionService {
     return vkCode === 160 || vkCode === 161
   }
 
+  //check if the key is alt key
+  private isAltkey(vkCode: number) {
+    return vkCode === 164 || vkCode === 165
+  }
+
   /**
    * Create a preloaded action window for quick response
    * Action windows handle specific operations on selected text