how to set location of popup window ?

venitable

processing 3.3.5

import static javax.swing.JOptionPane.*;          
void draw() {
          final String id = showInputDialog("Please enter new ID");
          if (id == null)   exit();
          else if ("".equals(id)){
            showMessageDialog(null, "Empty ID Input!!!", 
            "Error", ERROR_MESSAGE);
         }
  }

kfrajer

Example for you to try.

Kf

//REFERENCES: https://stackoverflow.com/questions/13760117/how-to-set-the-location-of-joptionpane-showmessagedialog
//REFERENCES: 
//REFERENCES:

//INSTRUCTIONS:
//         *-- This program has three states
//         *-- First state: Your provided example. Leave input text box blank for this example. Pressing
//         *-- ok leads to next stage. Cancel wil exit code.
//         *-- Second state: Shows a scond dialog in a random height in the screen. Press in the x in the 
//         *-- corner of the dialog to dismiss it. 
//         *-- Third stage: it does nothing.
//         *-- Note: Current state is shown in the title bar of the main sketch

//===========================================================================
// IMPORTS:
import static javax.swing.JOptionPane.*; 

import javax.swing.JDialog;
import javax.swing.JPanel;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JButton;

//===========================================================================
// FINAL FIELDS:


//===========================================================================
// GLOBAL VARIABLES:

int cidx=0;
CustomDialog myDialog;

//===========================================================================
// PROCESSING DEFAULT FUNCTIONS:

void settings() {
  size(400, 600);
}

void setup() {

  textAlign(CENTER, CENTER);
  rectMode(CENTER);

  fill(255);
  strokeWeight(2);
}



void draw() {
  background(0);

  if (cidx==0) {

    final String id = showInputDialog("Please enter new ID");
    if (id == null)   exit();
    else if ("".equals(id)) {
      mouseReleased();
      showMessageDialog(null, "Empty ID Input!!!", 
        "Error", ERROR_MESSAGE);
    }

    myDialog=null;
  } else if (cidx==1){
    if(myDialog==null)
    myDialog=new CustomDialog(null,true,"Hello");

  }
}

void keyReleased() {
}

void mouseReleased() {

  cidx=(cidx+1)%3;
  surface.setTitle(""+cidx);
}



//===========================================================================
// OTHER FUNCTIONS:

public class CustomDialog extends JDialog {
  private JPanel myPanel = null;
  private JButton yesButton = null;
  private JButton noButton = null;

  public CustomDialog(JFrame frame, boolean modal, String myMessage) {
    super(frame, modal);
    myPanel = new JPanel();
    getContentPane().add(myPanel);
    myPanel.add(new JLabel(myMessage));
    yesButton = new JButton("Yes");
    myPanel.add(yesButton);
    noButton = new JButton("No");
    myPanel.add(noButton);
    pack();
    //setLocationRelativeTo(frame);
    setLocation(200, int(random(200,displayHeight-200))); // <--
    setVisible(true);
  }
}

venitable

wow,really complicated! Thank you very much