In an Acrobat PDF form, I can assign an OnFocusEvent to show some other field if a user pushes on a button in form.
I simply add it to button properties>action>on focus>run a js
this.getField("point.2").display = (event.target.value=="Off") ? display.hidden : display.visible;
But, is it possible to assign an event for a second click for showing some other fields?
You can remember the first click in a hidden form field.
Forgive my ignorance but how?
At the first click change the value of the text field. At every click check the value of the text field.