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Question by siddharth3322 · Apr 13, 2016 at 01:10 PM · unity 5uibuttonclickmouseclick

Only want to detect button click event

Basically I want to detect button click event. This button is new Unity UI control. But in this I have one problem. When I click on button, one of my statement also execute at same time.

Following statements :

 if(Input.GetMouseButtonDown(0)){
 // code snippet
 }

So code under if statement also gets executed, I want to stop this. I only want to run my button click code. At present button click code is running as well if statement code is running.

Please give me some suggestion in this.

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Answer by M-Hanssen · Apr 13, 2016 at 01:30 PM

You can detect the current GUI object that is clicked by:

 EventSystem.current.currentSelectedGameObject

So if you would do something like this, you could check id the button is selected and ignore the clickDown:

     public GameObject ButtonGameObject;
 
     protected void Update()
     {
         if (Input.GetMouseButtonDown(0) && EventSystem.current.currentSelectedGameObject != ButtonGameObject)
         {
             // code snippet
         }
     }

Make sure to add using UnityEngine.EventSystems; on top of your script.

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avatar image siddharth3322 · Apr 13, 2016 at 01:31 PM 0
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@$$anonymous$$. Hanssen, Thanks for your reply, I will check this and reply back to you.

avatar image shawnblais · Sep 06, 2017 at 05:03 PM 0
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Slight change to work with all Unity UGUI elements (button, toggle, etc):

 bool buttonDown = Input.Get$$anonymous$$ouseButtonDown(0);
 var currentSelection = EventSystem.current.currentSelectedGameObject;
 if (currentSelection && currentSelection.GetComponent<IPointerDownHandler>() != null) {
     buttonDown = false;
 }
 if(buttonDown){
     //DO STUFF
 }

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